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jlechner |
/* BasicTabbedPaneUI.java --
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Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.swing.plaf.basic;
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import java.awt.Color;
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import java.awt.Component;
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import java.awt.Container;
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import java.awt.Dimension;
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import java.awt.Font;
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import java.awt.FontMetrics;
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import java.awt.Graphics;
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import java.awt.Insets;
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import java.awt.LayoutManager;
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import java.awt.Point;
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import java.awt.Rectangle;
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import java.awt.event.FocusAdapter;
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import java.awt.event.FocusEvent;
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import java.awt.event.FocusListener;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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import java.awt.event.MouseListener;
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import java.beans.PropertyChangeEvent;
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import java.beans.PropertyChangeListener;
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import javax.swing.Icon;
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import javax.swing.JComponent;
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import javax.swing.JPanel;
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import javax.swing.JTabbedPane;
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import javax.swing.JViewport;
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import javax.swing.KeyStroke;
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import javax.swing.LookAndFeel;
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import javax.swing.SwingConstants;
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import javax.swing.SwingUtilities;
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import javax.swing.UIManager;
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import javax.swing.event.ChangeEvent;
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import javax.swing.event.ChangeListener;
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import javax.swing.plaf.ComponentUI;
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import javax.swing.plaf.PanelUI;
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import javax.swing.plaf.TabbedPaneUI;
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import javax.swing.plaf.UIResource;
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import javax.swing.text.View;
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/**
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* This is the Basic Look and Feel's UI delegate for JTabbedPane.
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*/
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public class BasicTabbedPaneUI extends TabbedPaneUI implements SwingConstants
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{
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/**
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* A helper class that handles focus.
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*
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* @specnote Apparently this class was intended to be protected,
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* but was made public by a compiler bug and is now
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* public for compatibility.
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*/
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public class FocusHandler extends FocusAdapter
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{
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/**
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* This method is called when the component gains focus.
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*
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* @param e The FocusEvent.
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*/
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public void focusGained(FocusEvent e)
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{
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// FIXME: Implement.
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}
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/**
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* This method is called when the component loses focus.
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*
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* @param e The FocusEvent.
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*/
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public void focusLost(FocusEvent e)
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{
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// FIXME: Implement.
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}
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}
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/**
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* A helper class for determining if mouse presses occur inside tabs and
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* sets the index appropriately. In SCROLL_TAB_MODE, this class also
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* handles the mouse clicks on the scrolling buttons.
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*
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* @specnote Apparently this class was intended to be protected,
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* but was made public by a compiler bug and is now
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* public for compatibility.
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*/
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public class MouseHandler extends MouseAdapter
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{
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/**
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* This method is called when the mouse is pressed. The index cannot
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* change to a tab that is not enabled.
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*
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* @param e The MouseEvent.
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*/
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public void mousePressed(MouseEvent e)
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{
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int x = e.getX();
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int y = e.getY();
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int tabCount = tabPane.getTabCount();
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if (tabPane.getTabLayoutPolicy() == JTabbedPane.SCROLL_TAB_LAYOUT)
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{
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if (e.getSource() == incrButton)
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{
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if (++currentScrollLocation >= tabCount)
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currentScrollLocation = tabCount - 1;
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int width = 0;
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for (int i = currentScrollLocation - 1; i < tabCount; i++)
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width += rects[i].width;
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if (width < viewport.getWidth())
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// FIXME: Still getting mouse events after the button is disabled.
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// incrButton.setEnabled(false);
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currentScrollLocation--;
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else if (! decrButton.isEnabled())
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decrButton.setEnabled(true);
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tabPane.revalidate();
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tabPane.repaint();
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return;
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}
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else if (e.getSource() == decrButton)
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{
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if (--currentScrollLocation < 0)
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currentScrollLocation = 0;
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if (currentScrollLocation == 0)
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decrButton.setEnabled(false);
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else if (! incrButton.isEnabled())
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incrButton.setEnabled(true);
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tabPane.revalidate();
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tabPane.repaint();
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return;
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}
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}
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int index = tabForCoordinate(tabPane, x, y);
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// We need to check since there are areas where tabs cannot be
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// e.g. in the inset area.
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if (index != -1 && tabPane.isEnabledAt(index))
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tabPane.setSelectedIndex(index);
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tabPane.revalidate();
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tabPane.repaint();
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}
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}
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/**
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* This class handles PropertyChangeEvents fired from the JTabbedPane.
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*
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* @specnote Apparently this class was intended to be protected,
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* but was made public by a compiler bug and is now
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* public for compatibility.
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*/
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public class PropertyChangeHandler implements PropertyChangeListener
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{
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/**
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* This method is called whenever one of the properties of the JTabbedPane
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* changes.
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*
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* @param e The PropertyChangeEvent.
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*/
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public void propertyChange(PropertyChangeEvent e)
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{
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if (e.getPropertyName().equals("tabLayoutPolicy"))
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{
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layoutManager = createLayoutManager();
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tabPane.setLayout(layoutManager);
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}
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else if (e.getPropertyName().equals("tabPlacement")
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&& tabPane.getTabLayoutPolicy() == JTabbedPane.SCROLL_TAB_LAYOUT)
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{
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incrButton = createIncreaseButton();
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decrButton = createDecreaseButton();
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}
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tabPane.layout();
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tabPane.repaint();
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}
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}
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/**
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* A LayoutManager responsible for placing all the tabs and the visible
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* component inside the JTabbedPane. This class is only used for
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* WRAP_TAB_LAYOUT.
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*
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* @specnote Apparently this class was intended to be protected,
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* but was made public by a compiler bug and is now
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* public for compatibility.
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*/
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public class TabbedPaneLayout implements LayoutManager
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{
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/**
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* This method is called when a component is added to the JTabbedPane.
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*
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* @param name The name of the component.
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* @param comp The component being added.
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*/
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public void addLayoutComponent(String name, Component comp)
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{
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// Do nothing.
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}
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/**
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* This method is called when the rectangles need to be calculated. It
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* also fixes the size of the visible component.
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*/
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public void calculateLayoutInfo()
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{
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calculateTabRects(tabPane.getTabPlacement(), tabPane.getTabCount());
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if (tabPane.getSelectedIndex() != -1)
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{
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Component visible = getVisibleComponent();
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Insets insets = getContentBorderInsets(tabPane.getTabPlacement());
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if (visible != null)
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visible.setBounds(contentRect.x + insets.left,
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contentRect.y + insets.top,
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contentRect.width - insets.left - insets.right,
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contentRect.height - insets.top - insets.bottom);
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}
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}
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/**
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* This method calculates the size of the the JTabbedPane.
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*
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* @param minimum Whether the JTabbedPane will try to be as small as it
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* can.
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*
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* @return The desired size of the JTabbedPane.
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*/
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protected Dimension calculateSize(boolean minimum)
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{
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int tabPlacement = tabPane.getTabPlacement();
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int width = 0;
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int height = 0;
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int componentHeight = 0;
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int componentWidth = 0;
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Component c;
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Dimension dims;
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for (int i = 0; i < tabPane.getTabCount(); i++)
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{
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c = tabPane.getComponentAt(i);
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if (c == null)
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continue;
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calcRect = c.getBounds();
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dims = c.getPreferredSize();
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if (dims != null)
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{
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componentHeight = Math.max(componentHeight, dims.height);
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componentWidth = Math.max(componentWidth, dims.width);
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}
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}
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Insets insets = tabPane.getInsets();
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if (tabPlacement == SwingConstants.TOP
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|| tabPlacement == SwingConstants.BOTTOM)
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{
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int min = calculateMaxTabWidth(tabPlacement);
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width = Math.max(min, componentWidth);
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int tabAreaHeight = preferredTabAreaHeight(tabPlacement, width);
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height = tabAreaHeight + componentHeight;
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}
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else
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{
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int min = calculateMaxTabHeight(tabPlacement);
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height = Math.max(min, componentHeight);
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int tabAreaWidth = preferredTabAreaWidth(tabPlacement, height);
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width = tabAreaWidth + componentWidth;
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}
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return new Dimension(width, height);
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}
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// if tab placement is LEFT OR RIGHT, they share width.
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// if tab placement is TOP OR BOTTOM, they share height
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// PRE STEP: finds the default sizes for the labels as well as their locations.
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// AND where they will be placed within the run system.
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// 1. calls normalizeTab Runs.
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// 2. calls rotate tab runs.
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// 3. pads the tab runs.
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// 4. pads the selected tab.
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/**
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* This method is called to calculate the tab rectangles. This method
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* will calculate the size and position of all rectangles (taking into
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* account which ones should be in which tab run). It will pad them and
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* normalize them as necessary.
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*
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* @param tabPlacement The JTabbedPane's tab placement.
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* @param tabCount The run the current selection is in.
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*/
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protected void calculateTabRects(int tabPlacement, int tabCount)
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{
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if (tabCount == 0)
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return;
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assureRectsCreated(tabCount);
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FontMetrics fm = getFontMetrics();
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SwingUtilities.calculateInnerArea(tabPane, calcRect);
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Insets tabAreaInsets = getTabAreaInsets(tabPlacement);
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Insets insets = tabPane.getInsets();
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int max = 0;
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int runs = 0;
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int start = getTabRunIndent(tabPlacement, 1);
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if (tabPlacement == SwingConstants.TOP
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|| tabPlacement == SwingConstants.BOTTOM)
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{
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int maxHeight = calculateMaxTabHeight(tabPlacement);
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calcRect.width -= tabAreaInsets.left + tabAreaInsets.right;
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max = calcRect.width + tabAreaInsets.left + insets.left;
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start += tabAreaInsets.left + insets.left;
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int width = 0;
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int runWidth = start;
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for (int i = 0; i < tabCount; i++)
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{
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width = calculateTabWidth(tabPlacement, i, fm);
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if (runWidth + width > max)
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{
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runWidth = tabAreaInsets.left + insets.left
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+ getTabRunIndent(tabPlacement, ++runs);
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rects[i] = new Rectangle(runWidth,
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insets.top + tabAreaInsets.top,
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width, maxHeight);
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runWidth += width;
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if (runs > tabRuns.length - 1)
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expandTabRunsArray();
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tabRuns[runs] = i;
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}
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else
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{
|
371 |
|
|
rects[i] = new Rectangle(runWidth,
|
372 |
|
|
insets.top + tabAreaInsets.top,
|
373 |
|
|
width, maxHeight);
|
374 |
|
|
runWidth += width;
|
375 |
|
|
}
|
376 |
|
|
}
|
377 |
|
|
runs++;
|
378 |
|
|
tabAreaRect.width = tabPane.getWidth() - insets.left - insets.right;
|
379 |
|
|
tabAreaRect.height = runs * maxTabHeight
|
380 |
|
|
- (runs - 1) * tabRunOverlay
|
381 |
|
|
+ tabAreaInsets.top + tabAreaInsets.bottom;
|
382 |
|
|
contentRect.width = tabAreaRect.width;
|
383 |
|
|
contentRect.height = tabPane.getHeight() - insets.top
|
384 |
|
|
- insets.bottom - tabAreaRect.height;
|
385 |
|
|
contentRect.x = insets.left;
|
386 |
|
|
tabAreaRect.x = insets.left;
|
387 |
|
|
if (tabPlacement == SwingConstants.BOTTOM)
|
388 |
|
|
{
|
389 |
|
|
contentRect.y = insets.top;
|
390 |
|
|
tabAreaRect.y = contentRect.y + contentRect.height;
|
391 |
|
|
}
|
392 |
|
|
else
|
393 |
|
|
{
|
394 |
|
|
tabAreaRect.y = insets.top;
|
395 |
|
|
contentRect.y = tabAreaRect.y + tabAreaRect.height;
|
396 |
|
|
}
|
397 |
|
|
}
|
398 |
|
|
else
|
399 |
|
|
{
|
400 |
|
|
int maxWidth = calculateMaxTabWidth(tabPlacement);
|
401 |
|
|
calcRect.height -= tabAreaInsets.top + tabAreaInsets.bottom;
|
402 |
|
|
max = calcRect.height + tabAreaInsets.top + insets.top;
|
403 |
|
|
|
404 |
|
|
int height = 0;
|
405 |
|
|
start += tabAreaInsets.top + insets.top;
|
406 |
|
|
int runHeight = start;
|
407 |
|
|
|
408 |
|
|
int fontHeight = fm.getHeight();
|
409 |
|
|
|
410 |
|
|
for (int i = 0; i < tabCount; i++)
|
411 |
|
|
{
|
412 |
|
|
height = calculateTabHeight(tabPlacement, i, fontHeight);
|
413 |
|
|
if (runHeight + height > max)
|
414 |
|
|
{
|
415 |
|
|
runHeight = tabAreaInsets.top + insets.top
|
416 |
|
|
+ getTabRunIndent(tabPlacement, ++runs);
|
417 |
|
|
rects[i] = new Rectangle(insets.left + tabAreaInsets.left,
|
418 |
|
|
runHeight, maxWidth, height);
|
419 |
|
|
runHeight += height;
|
420 |
|
|
if (runs > tabRuns.length - 1)
|
421 |
|
|
expandTabRunsArray();
|
422 |
|
|
tabRuns[runs] = i;
|
423 |
|
|
}
|
424 |
|
|
else
|
425 |
|
|
{
|
426 |
|
|
rects[i] = new Rectangle(insets.left + tabAreaInsets.left,
|
427 |
|
|
runHeight, maxWidth, height);
|
428 |
|
|
runHeight += height;
|
429 |
|
|
}
|
430 |
|
|
}
|
431 |
|
|
runs++;
|
432 |
|
|
|
433 |
|
|
tabAreaRect.width = runs * maxTabWidth - (runs - 1) * tabRunOverlay
|
434 |
|
|
+ tabAreaInsets.left + tabAreaInsets.right;
|
435 |
|
|
tabAreaRect.height = tabPane.getHeight() - insets.top
|
436 |
|
|
- insets.bottom;
|
437 |
|
|
tabAreaRect.y = insets.top;
|
438 |
|
|
contentRect.width = tabPane.getWidth() - insets.left - insets.right
|
439 |
|
|
- tabAreaRect.width;
|
440 |
|
|
contentRect.height = tabAreaRect.height;
|
441 |
|
|
contentRect.y = insets.top;
|
442 |
|
|
if (tabPlacement == SwingConstants.LEFT)
|
443 |
|
|
{
|
444 |
|
|
tabAreaRect.x = insets.left;
|
445 |
|
|
contentRect.x = tabAreaRect.x + tabAreaRect.width;
|
446 |
|
|
}
|
447 |
|
|
else
|
448 |
|
|
{
|
449 |
|
|
contentRect.x = insets.left;
|
450 |
|
|
tabAreaRect.x = contentRect.x + contentRect.width;
|
451 |
|
|
}
|
452 |
|
|
}
|
453 |
|
|
runCount = runs;
|
454 |
|
|
|
455 |
|
|
tabRuns[0] = 0;
|
456 |
|
|
normalizeTabRuns(tabPlacement, tabCount, start, max);
|
457 |
|
|
selectedRun = getRunForTab(tabCount, tabPane.getSelectedIndex());
|
458 |
|
|
if (shouldRotateTabRuns(tabPlacement))
|
459 |
|
|
rotateTabRuns(tabPlacement, selectedRun);
|
460 |
|
|
|
461 |
|
|
// Need to pad the runs and move them to the correct location.
|
462 |
|
|
for (int i = 0; i < runCount; i++)
|
463 |
|
|
{
|
464 |
|
|
int first = lastTabInRun(tabCount, getPreviousTabRun(i)) + 1;
|
465 |
|
|
if (first == tabCount)
|
466 |
|
|
first = 0;
|
467 |
|
|
int last = lastTabInRun(tabCount, i);
|
468 |
|
|
if (shouldPadTabRun(tabPlacement, i))
|
469 |
|
|
padTabRun(tabPlacement, first, last, max);
|
470 |
|
|
|
471 |
|
|
// Done padding, now need to move it.
|
472 |
|
|
if (tabPlacement == SwingConstants.TOP && i > 0)
|
473 |
|
|
{
|
474 |
|
|
for (int j = first; j <= last; j++)
|
475 |
|
|
rects[j].y += (runCount - i) * maxTabHeight
|
476 |
|
|
- (runCount - i) * tabRunOverlay;
|
477 |
|
|
}
|
478 |
|
|
|
479 |
|
|
if (tabPlacement == SwingConstants.BOTTOM)
|
480 |
|
|
{
|
481 |
|
|
int height = tabPane.getBounds().height - insets.bottom
|
482 |
|
|
- tabAreaInsets.bottom;
|
483 |
|
|
int adjustment;
|
484 |
|
|
if (i == 0)
|
485 |
|
|
adjustment = height - maxTabHeight;
|
486 |
|
|
else
|
487 |
|
|
adjustment = height - (runCount - i + 1) * maxTabHeight
|
488 |
|
|
- (runCount - i) * tabRunOverlay;
|
489 |
|
|
|
490 |
|
|
for (int j = first; j <= last; j++)
|
491 |
|
|
rects[j].y = adjustment;
|
492 |
|
|
}
|
493 |
|
|
|
494 |
|
|
if (tabPlacement == SwingConstants.LEFT && i > 0)
|
495 |
|
|
{
|
496 |
|
|
for (int j = first; j <= last; j++)
|
497 |
|
|
rects[j].x += (runCount - i) * maxTabWidth
|
498 |
|
|
- (runCount - i) * tabRunOverlay;
|
499 |
|
|
}
|
500 |
|
|
|
501 |
|
|
if (tabPlacement == SwingConstants.RIGHT)
|
502 |
|
|
{
|
503 |
|
|
int width = tabPane.getBounds().width - insets.right
|
504 |
|
|
- tabAreaInsets.right;
|
505 |
|
|
int adjustment;
|
506 |
|
|
if (i == 0)
|
507 |
|
|
adjustment = width - maxTabWidth;
|
508 |
|
|
else
|
509 |
|
|
adjustment = width - (runCount - i + 1) * maxTabWidth
|
510 |
|
|
+ (runCount - i) * tabRunOverlay;
|
511 |
|
|
|
512 |
|
|
for (int j = first; j <= last; j++)
|
513 |
|
|
rects[j].x = adjustment;
|
514 |
|
|
}
|
515 |
|
|
}
|
516 |
|
|
padSelectedTab(tabPlacement, tabPane.getSelectedIndex());
|
517 |
|
|
}
|
518 |
|
|
|
519 |
|
|
/**
|
520 |
|
|
* This method is called when the JTabbedPane is laid out in
|
521 |
|
|
* WRAP_TAB_LAYOUT. It calls calculateLayoutInfo to find the positions
|
522 |
|
|
* of all its components.
|
523 |
|
|
*
|
524 |
|
|
* @param parent The Container to lay out.
|
525 |
|
|
*/
|
526 |
|
|
public void layoutContainer(Container parent)
|
527 |
|
|
{
|
528 |
|
|
calculateLayoutInfo();
|
529 |
|
|
}
|
530 |
|
|
|
531 |
|
|
/**
|
532 |
|
|
* This method returns the minimum layout size for the given container.
|
533 |
|
|
*
|
534 |
|
|
* @param parent The container that is being sized.
|
535 |
|
|
*
|
536 |
|
|
* @return The minimum size.
|
537 |
|
|
*/
|
538 |
|
|
public Dimension minimumLayoutSize(Container parent)
|
539 |
|
|
{
|
540 |
|
|
return calculateSize(false);
|
541 |
|
|
}
|
542 |
|
|
|
543 |
|
|
// If there is more free space in an adjacent run AND the tab in the run can fit in the
|
544 |
|
|
// adjacent run, move it. This method is not perfect, it is merely an approximation.
|
545 |
|
|
// If you play around with Sun's JTabbedPane, you'll see that
|
546 |
|
|
// it does do some pretty strange things with regards to not moving tabs
|
547 |
|
|
// that should be moved.
|
548 |
|
|
// start = the x position where the tabs will begin
|
549 |
|
|
// max = the maximum position of where the tabs can go to (tabAreaInsets.left + the width of the tab area)
|
550 |
|
|
|
551 |
|
|
/**
|
552 |
|
|
* This method tries to "even out" the number of tabs in each run based on
|
553 |
|
|
* their widths.
|
554 |
|
|
*
|
555 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
556 |
|
|
* @param tabCount The number of tabs.
|
557 |
|
|
* @param start The x position where the tabs will begin.
|
558 |
|
|
* @param max The maximum x position where the tab can run to.
|
559 |
|
|
*/
|
560 |
|
|
protected void normalizeTabRuns(int tabPlacement, int tabCount, int start,
|
561 |
|
|
int max)
|
562 |
|
|
{
|
563 |
|
|
Insets tabAreaInsets = getTabAreaInsets(tabPlacement);
|
564 |
|
|
if (tabPlacement == SwingUtilities.TOP
|
565 |
|
|
|| tabPlacement == SwingUtilities.BOTTOM)
|
566 |
|
|
{
|
567 |
|
|
// We should only do this for runCount - 1, cause we can only shift that many times between
|
568 |
|
|
// runs.
|
569 |
|
|
for (int i = 1; i < runCount; i++)
|
570 |
|
|
{
|
571 |
|
|
Rectangle currRun = rects[lastTabInRun(tabCount, i)];
|
572 |
|
|
Rectangle nextRun = rects[lastTabInRun(tabCount, getNextTabRun(i))];
|
573 |
|
|
int spaceInCurr = currRun.x + currRun.width;
|
574 |
|
|
int spaceInNext = nextRun.x + nextRun.width;
|
575 |
|
|
|
576 |
|
|
int diffNow = spaceInCurr - spaceInNext;
|
577 |
|
|
int diffLater = (spaceInCurr - currRun.width)
|
578 |
|
|
- (spaceInNext + currRun.width);
|
579 |
|
|
while (Math.abs(diffLater) < Math.abs(diffNow)
|
580 |
|
|
&& spaceInNext + currRun.width < max)
|
581 |
|
|
{
|
582 |
|
|
tabRuns[i]--;
|
583 |
|
|
spaceInNext += currRun.width;
|
584 |
|
|
spaceInCurr -= currRun.width;
|
585 |
|
|
currRun = rects[lastTabInRun(tabCount, i)];
|
586 |
|
|
diffNow = spaceInCurr - spaceInNext;
|
587 |
|
|
diffLater = (spaceInCurr - currRun.width)
|
588 |
|
|
- (spaceInNext + currRun.width);
|
589 |
|
|
}
|
590 |
|
|
|
591 |
|
|
// Fix the bounds.
|
592 |
|
|
int first = lastTabInRun(tabCount, i) + 1;
|
593 |
|
|
int last = lastTabInRun(tabCount, getNextTabRun(i));
|
594 |
|
|
int currX = tabAreaInsets.left;
|
595 |
|
|
for (int j = first; j <= last; j++)
|
596 |
|
|
{
|
597 |
|
|
rects[j].x = currX;
|
598 |
|
|
currX += rects[j].width;
|
599 |
|
|
}
|
600 |
|
|
}
|
601 |
|
|
}
|
602 |
|
|
else
|
603 |
|
|
{
|
604 |
|
|
for (int i = 1; i < runCount; i++)
|
605 |
|
|
{
|
606 |
|
|
Rectangle currRun = rects[lastTabInRun(tabCount, i)];
|
607 |
|
|
Rectangle nextRun = rects[lastTabInRun(tabCount, getNextTabRun(i))];
|
608 |
|
|
int spaceInCurr = currRun.y + currRun.height;
|
609 |
|
|
int spaceInNext = nextRun.y + nextRun.height;
|
610 |
|
|
|
611 |
|
|
int diffNow = spaceInCurr - spaceInNext;
|
612 |
|
|
int diffLater = (spaceInCurr - currRun.height)
|
613 |
|
|
- (spaceInNext + currRun.height);
|
614 |
|
|
while (Math.abs(diffLater) < Math.abs(diffNow)
|
615 |
|
|
&& spaceInNext + currRun.height < max)
|
616 |
|
|
{
|
617 |
|
|
tabRuns[i]--;
|
618 |
|
|
spaceInNext += currRun.height;
|
619 |
|
|
spaceInCurr -= currRun.height;
|
620 |
|
|
currRun = rects[lastTabInRun(tabCount, i)];
|
621 |
|
|
diffNow = spaceInCurr - spaceInNext;
|
622 |
|
|
diffLater = (spaceInCurr - currRun.height)
|
623 |
|
|
- (spaceInNext + currRun.height);
|
624 |
|
|
}
|
625 |
|
|
|
626 |
|
|
int first = lastTabInRun(tabCount, i) + 1;
|
627 |
|
|
int last = lastTabInRun(tabCount, getNextTabRun(i));
|
628 |
|
|
int currY = tabAreaInsets.top;
|
629 |
|
|
for (int j = first; j <= last; j++)
|
630 |
|
|
{
|
631 |
|
|
rects[j].y = currY;
|
632 |
|
|
currY += rects[j].height;
|
633 |
|
|
}
|
634 |
|
|
}
|
635 |
|
|
}
|
636 |
|
|
}
|
637 |
|
|
|
638 |
|
|
/**
|
639 |
|
|
* This method pads the tab at the selected index by the selected tab pad
|
640 |
|
|
* insets (so that it looks larger).
|
641 |
|
|
*
|
642 |
|
|
* @param tabPlacement The placement of the tabs.
|
643 |
|
|
* @param selectedIndex The selected index.
|
644 |
|
|
*/
|
645 |
|
|
protected void padSelectedTab(int tabPlacement, int selectedIndex)
|
646 |
|
|
{
|
647 |
|
|
Insets insets = getSelectedTabPadInsets(tabPlacement);
|
648 |
|
|
rects[selectedIndex].x -= insets.left;
|
649 |
|
|
rects[selectedIndex].y -= insets.top;
|
650 |
|
|
rects[selectedIndex].width += insets.left + insets.right;
|
651 |
|
|
rects[selectedIndex].height += insets.top + insets.bottom;
|
652 |
|
|
}
|
653 |
|
|
|
654 |
|
|
// If the tabs on the run don't fill the width of the window, make it fit now.
|
655 |
|
|
// start = starting index of the run
|
656 |
|
|
// end = last index of the run
|
657 |
|
|
// max = tabAreaInsets.left + width (or equivalent)
|
658 |
|
|
// assert start <= end.
|
659 |
|
|
|
660 |
|
|
/**
|
661 |
|
|
* This method makes each tab in the run larger so that the tabs expand
|
662 |
|
|
* to fill the runs width/height (depending on tabPlacement).
|
663 |
|
|
*
|
664 |
|
|
* @param tabPlacement The placement of the tabs.
|
665 |
|
|
* @param start The index of the first tab.
|
666 |
|
|
* @param end The last index of the tab
|
667 |
|
|
* @param max The amount of space in the run (width for TOP and BOTTOM
|
668 |
|
|
* tabPlacement).
|
669 |
|
|
*/
|
670 |
|
|
protected void padTabRun(int tabPlacement, int start, int end, int max)
|
671 |
|
|
{
|
672 |
|
|
if (tabPlacement == SwingConstants.TOP
|
673 |
|
|
|| tabPlacement == SwingConstants.BOTTOM)
|
674 |
|
|
{
|
675 |
|
|
int runWidth = rects[end].x + rects[end].width;
|
676 |
|
|
int spaceRemaining = max - runWidth;
|
677 |
|
|
int numTabs = end - start + 1;
|
678 |
|
|
|
679 |
|
|
// now divvy up the space.
|
680 |
|
|
int spaceAllocated = spaceRemaining / numTabs;
|
681 |
|
|
int currX = rects[start].x;
|
682 |
|
|
for (int i = start; i <= end; i++)
|
683 |
|
|
{
|
684 |
|
|
rects[i].x = currX;
|
685 |
|
|
rects[i].width += spaceAllocated;
|
686 |
|
|
currX += rects[i].width;
|
687 |
|
|
// This is used because since the spaceAllocated
|
688 |
|
|
// variable is an int, it rounds down. Sometimes,
|
689 |
|
|
// we don't fill an entire row, so we make it do
|
690 |
|
|
// so now.
|
691 |
|
|
if (i == end && rects[i].x + rects[i].width != max)
|
692 |
|
|
rects[i].width = max - rects[i].x;
|
693 |
|
|
}
|
694 |
|
|
}
|
695 |
|
|
else
|
696 |
|
|
{
|
697 |
|
|
int runHeight = rects[end].y + rects[end].height;
|
698 |
|
|
int spaceRemaining = max - runHeight;
|
699 |
|
|
int numTabs = end - start + 1;
|
700 |
|
|
|
701 |
|
|
int spaceAllocated = spaceRemaining / numTabs;
|
702 |
|
|
int currY = rects[start].y;
|
703 |
|
|
for (int i = start; i <= end; i++)
|
704 |
|
|
{
|
705 |
|
|
rects[i].y = currY;
|
706 |
|
|
rects[i].height += spaceAllocated;
|
707 |
|
|
currY += rects[i].height;
|
708 |
|
|
if (i == end && rects[i].y + rects[i].height != max)
|
709 |
|
|
rects[i].height = max - rects[i].y;
|
710 |
|
|
}
|
711 |
|
|
}
|
712 |
|
|
}
|
713 |
|
|
|
714 |
|
|
/**
|
715 |
|
|
* This method returns the preferred layout size for the given container.
|
716 |
|
|
*
|
717 |
|
|
* @param parent The container to size.
|
718 |
|
|
*
|
719 |
|
|
* @return The preferred layout size.
|
720 |
|
|
*/
|
721 |
|
|
public Dimension preferredLayoutSize(Container parent)
|
722 |
|
|
{
|
723 |
|
|
return calculateSize(false);
|
724 |
|
|
}
|
725 |
|
|
|
726 |
|
|
/**
|
727 |
|
|
* This method returns the preferred tab height given a tabPlacement and
|
728 |
|
|
* width.
|
729 |
|
|
*
|
730 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
731 |
|
|
* @param width The expected width.
|
732 |
|
|
*
|
733 |
|
|
* @return The preferred tab area height.
|
734 |
|
|
*/
|
735 |
|
|
protected int preferredTabAreaHeight(int tabPlacement, int width)
|
736 |
|
|
{
|
737 |
|
|
if (tabPane.getTabCount() == 0)
|
738 |
|
|
return calculateTabAreaHeight(tabPlacement, 0, 0);
|
739 |
|
|
|
740 |
|
|
int runs = 0;
|
741 |
|
|
int runWidth = 0;
|
742 |
|
|
int tabWidth = 0;
|
743 |
|
|
|
744 |
|
|
FontMetrics fm = getFontMetrics();
|
745 |
|
|
|
746 |
|
|
Insets tabAreaInsets = getTabAreaInsets(tabPlacement);
|
747 |
|
|
Insets insets = tabPane.getInsets();
|
748 |
|
|
|
749 |
|
|
// Only interested in width, this is a messed up rectangle now.
|
750 |
|
|
width -= tabAreaInsets.left + tabAreaInsets.right + insets.left
|
751 |
|
|
+ insets.right;
|
752 |
|
|
|
753 |
|
|
// The reason why we can't use runCount:
|
754 |
|
|
// This method is only called to calculate the size request
|
755 |
|
|
// for the tabbedPane. However, this size request is dependent on
|
756 |
|
|
// our desired width. We need to find out what the height would
|
757 |
|
|
// be IF we got our desired width.
|
758 |
|
|
for (int i = 0; i < tabPane.getTabCount(); i++)
|
759 |
|
|
{
|
760 |
|
|
tabWidth = calculateTabWidth(tabPlacement, i, fm);
|
761 |
|
|
if (runWidth + tabWidth > width)
|
762 |
|
|
{
|
763 |
|
|
runWidth = tabWidth;
|
764 |
|
|
runs++;
|
765 |
|
|
}
|
766 |
|
|
else
|
767 |
|
|
runWidth += tabWidth;
|
768 |
|
|
}
|
769 |
|
|
runs++;
|
770 |
|
|
|
771 |
|
|
int maxTabHeight = calculateMaxTabHeight(tabPlacement);
|
772 |
|
|
int tabAreaHeight = calculateTabAreaHeight(tabPlacement, runs,
|
773 |
|
|
maxTabHeight);
|
774 |
|
|
return tabAreaHeight;
|
775 |
|
|
}
|
776 |
|
|
|
777 |
|
|
/**
|
778 |
|
|
* This method calculates the preferred tab area width given a tab
|
779 |
|
|
* placement and height.
|
780 |
|
|
*
|
781 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
782 |
|
|
* @param height The expected height.
|
783 |
|
|
*
|
784 |
|
|
* @return The preferred tab area width.
|
785 |
|
|
*/
|
786 |
|
|
protected int preferredTabAreaWidth(int tabPlacement, int height)
|
787 |
|
|
{
|
788 |
|
|
if (tabPane.getTabCount() == 0)
|
789 |
|
|
return calculateTabAreaHeight(tabPlacement, 0, 0);
|
790 |
|
|
|
791 |
|
|
int runs = 0;
|
792 |
|
|
int runHeight = 0;
|
793 |
|
|
int tabHeight = 0;
|
794 |
|
|
|
795 |
|
|
FontMetrics fm = getFontMetrics();
|
796 |
|
|
|
797 |
|
|
Insets tabAreaInsets = getTabAreaInsets(tabPlacement);
|
798 |
|
|
Insets insets = tabPane.getInsets();
|
799 |
|
|
|
800 |
|
|
height -= tabAreaInsets.top + tabAreaInsets.bottom + insets.top
|
801 |
|
|
+ insets.bottom;
|
802 |
|
|
int fontHeight = fm.getHeight();
|
803 |
|
|
|
804 |
|
|
for (int i = 0; i < tabPane.getTabCount(); i++)
|
805 |
|
|
{
|
806 |
|
|
tabHeight = calculateTabHeight(tabPlacement, i, fontHeight);
|
807 |
|
|
if (runHeight + tabHeight > height)
|
808 |
|
|
{
|
809 |
|
|
runHeight = tabHeight;
|
810 |
|
|
runs++;
|
811 |
|
|
}
|
812 |
|
|
else
|
813 |
|
|
runHeight += tabHeight;
|
814 |
|
|
}
|
815 |
|
|
runs++;
|
816 |
|
|
|
817 |
|
|
int maxTabWidth = calculateMaxTabWidth(tabPlacement);
|
818 |
|
|
int tabAreaWidth = calculateTabAreaWidth(tabPlacement, runs, maxTabWidth);
|
819 |
|
|
return tabAreaWidth;
|
820 |
|
|
}
|
821 |
|
|
|
822 |
|
|
/**
|
823 |
|
|
* This method rotates the places each run in the correct place the
|
824 |
|
|
* tabRuns array. See the comment for tabRuns for how the runs are placed
|
825 |
|
|
* in the array.
|
826 |
|
|
*
|
827 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
828 |
|
|
* @param selectedRun The run the current selection is in.
|
829 |
|
|
*/
|
830 |
|
|
protected void rotateTabRuns(int tabPlacement, int selectedRun)
|
831 |
|
|
{
|
832 |
|
|
if (runCount == 1 || selectedRun == 1 || selectedRun == -1)
|
833 |
|
|
return;
|
834 |
|
|
int[] newTabRuns = new int[tabRuns.length];
|
835 |
|
|
int currentRun = selectedRun;
|
836 |
|
|
int i = 1;
|
837 |
|
|
do
|
838 |
|
|
{
|
839 |
|
|
newTabRuns[i] = tabRuns[currentRun];
|
840 |
|
|
currentRun = getNextTabRun(currentRun);
|
841 |
|
|
i++;
|
842 |
|
|
}
|
843 |
|
|
while (i < runCount);
|
844 |
|
|
if (runCount > 1)
|
845 |
|
|
newTabRuns[0] = tabRuns[currentRun];
|
846 |
|
|
|
847 |
|
|
tabRuns = newTabRuns;
|
848 |
|
|
BasicTabbedPaneUI.this.selectedRun = 1;
|
849 |
|
|
}
|
850 |
|
|
|
851 |
|
|
/**
|
852 |
|
|
* This method is called when a component is removed from the
|
853 |
|
|
* JTabbedPane.
|
854 |
|
|
*
|
855 |
|
|
* @param comp The component removed.
|
856 |
|
|
*/
|
857 |
|
|
public void removeLayoutComponent(Component comp)
|
858 |
|
|
{
|
859 |
|
|
// Do nothing.
|
860 |
|
|
}
|
861 |
|
|
}
|
862 |
|
|
|
863 |
|
|
/**
|
864 |
|
|
* This class acts as the LayoutManager for the JTabbedPane in
|
865 |
|
|
* SCROLL_TAB_MODE.
|
866 |
|
|
*/
|
867 |
|
|
private class TabbedPaneScrollLayout extends TabbedPaneLayout
|
868 |
|
|
{
|
869 |
|
|
/**
|
870 |
|
|
* This method returns the preferred layout size for the given container.
|
871 |
|
|
*
|
872 |
|
|
* @param parent The container to calculate a size for.
|
873 |
|
|
*
|
874 |
|
|
* @return The preferred layout size.
|
875 |
|
|
*/
|
876 |
|
|
public Dimension preferredLayoutSize(Container parent)
|
877 |
|
|
{
|
878 |
|
|
return super.calculateSize(true);
|
879 |
|
|
}
|
880 |
|
|
|
881 |
|
|
/**
|
882 |
|
|
* This method returns the minimum layout size for the given container.
|
883 |
|
|
*
|
884 |
|
|
* @param parent The container to calculate a size for.
|
885 |
|
|
*
|
886 |
|
|
* @return The minimum layout size.
|
887 |
|
|
*/
|
888 |
|
|
public Dimension minimumLayoutSize(Container parent)
|
889 |
|
|
{
|
890 |
|
|
return super.calculateSize(true);
|
891 |
|
|
}
|
892 |
|
|
|
893 |
|
|
/**
|
894 |
|
|
* This method calculates the tab area height given a desired width.
|
895 |
|
|
*
|
896 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
897 |
|
|
* @param width The expected width.
|
898 |
|
|
*
|
899 |
|
|
* @return The tab area height given the width.
|
900 |
|
|
*/
|
901 |
|
|
protected int preferredTabAreaHeight(int tabPlacement, int width)
|
902 |
|
|
{
|
903 |
|
|
if (tabPane.getTabCount() == 0)
|
904 |
|
|
return calculateTabAreaHeight(tabPlacement, 0, 0);
|
905 |
|
|
|
906 |
|
|
int runs = 1;
|
907 |
|
|
|
908 |
|
|
int maxTabHeight = calculateMaxTabHeight(tabPlacement);
|
909 |
|
|
int tabAreaHeight = calculateTabAreaHeight(tabPlacement, runs,
|
910 |
|
|
maxTabHeight);
|
911 |
|
|
return tabAreaHeight;
|
912 |
|
|
}
|
913 |
|
|
|
914 |
|
|
/**
|
915 |
|
|
* This method calculates the tab area width given a desired height.
|
916 |
|
|
*
|
917 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
918 |
|
|
* @param height The expected height.
|
919 |
|
|
*
|
920 |
|
|
* @return The tab area width given the height.
|
921 |
|
|
*/
|
922 |
|
|
protected int preferredTabAreaWidth(int tabPlacement, int height)
|
923 |
|
|
{
|
924 |
|
|
if (tabPane.getTabCount() == 0)
|
925 |
|
|
return calculateTabAreaHeight(tabPlacement, 0, 0);
|
926 |
|
|
|
927 |
|
|
int runs = 1;
|
928 |
|
|
|
929 |
|
|
int maxTabWidth = calculateMaxTabWidth(tabPlacement);
|
930 |
|
|
int tabAreaWidth = calculateTabAreaWidth(tabPlacement, runs, maxTabWidth);
|
931 |
|
|
return tabAreaWidth;
|
932 |
|
|
}
|
933 |
|
|
|
934 |
|
|
/**
|
935 |
|
|
* This method is called to calculate the tab rectangles. This method
|
936 |
|
|
* will calculate the size and position of all rectangles (taking into
|
937 |
|
|
* account which ones should be in which tab run). It will pad them and
|
938 |
|
|
* normalize them as necessary.
|
939 |
|
|
*
|
940 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
941 |
|
|
* @param tabCount The number of tabs.
|
942 |
|
|
*/
|
943 |
|
|
protected void calculateTabRects(int tabPlacement, int tabCount)
|
944 |
|
|
{
|
945 |
|
|
if (tabCount == 0)
|
946 |
|
|
return;
|
947 |
|
|
assureRectsCreated(tabCount);
|
948 |
|
|
|
949 |
|
|
FontMetrics fm = getFontMetrics();
|
950 |
|
|
SwingUtilities.calculateInnerArea(tabPane, calcRect);
|
951 |
|
|
Insets tabAreaInsets = getTabAreaInsets(tabPlacement);
|
952 |
|
|
Insets insets = tabPane.getInsets();
|
953 |
|
|
int max = 0;
|
954 |
|
|
int runs = 1;
|
955 |
|
|
int start = 0;
|
956 |
|
|
int top = 0;
|
957 |
|
|
if (tabPlacement == SwingConstants.TOP
|
958 |
|
|
|| tabPlacement == SwingConstants.BOTTOM)
|
959 |
|
|
{
|
960 |
|
|
int maxHeight = calculateMaxTabHeight(tabPlacement);
|
961 |
|
|
calcRect.width -= tabAreaInsets.left + tabAreaInsets.right;
|
962 |
|
|
max = calcRect.width + tabAreaInsets.left + insets.left;
|
963 |
|
|
start = tabAreaInsets.left + insets.left;
|
964 |
|
|
int width = 0;
|
965 |
|
|
int runWidth = start;
|
966 |
|
|
top = insets.top + tabAreaInsets.top;
|
967 |
|
|
for (int i = 0; i < tabCount; i++)
|
968 |
|
|
{
|
969 |
|
|
width = calculateTabWidth(tabPlacement, i, fm);
|
970 |
|
|
|
971 |
|
|
rects[i] = new Rectangle(runWidth, top, width, maxHeight);
|
972 |
|
|
runWidth += width;
|
973 |
|
|
}
|
974 |
|
|
tabAreaRect.width = tabPane.getWidth() - insets.left - insets.right;
|
975 |
|
|
tabAreaRect.height = runs * maxTabHeight
|
976 |
|
|
- (runs - 1) * tabRunOverlay
|
977 |
|
|
+ tabAreaInsets.top + tabAreaInsets.bottom;
|
978 |
|
|
contentRect.width = tabAreaRect.width;
|
979 |
|
|
contentRect.height = tabPane.getHeight() - insets.top
|
980 |
|
|
- insets.bottom - tabAreaRect.height;
|
981 |
|
|
contentRect.x = insets.left;
|
982 |
|
|
tabAreaRect.x = insets.left;
|
983 |
|
|
if (tabPlacement == SwingConstants.BOTTOM)
|
984 |
|
|
{
|
985 |
|
|
contentRect.y = insets.top;
|
986 |
|
|
tabAreaRect.y = contentRect.y + contentRect.height;
|
987 |
|
|
}
|
988 |
|
|
else
|
989 |
|
|
{
|
990 |
|
|
tabAreaRect.y = insets.top;
|
991 |
|
|
contentRect.y = tabAreaRect.y + tabAreaRect.height;
|
992 |
|
|
}
|
993 |
|
|
}
|
994 |
|
|
else
|
995 |
|
|
{
|
996 |
|
|
int maxWidth = calculateMaxTabWidth(tabPlacement);
|
997 |
|
|
|
998 |
|
|
calcRect.height -= tabAreaInsets.top + tabAreaInsets.bottom;
|
999 |
|
|
max = calcRect.height + tabAreaInsets.top;
|
1000 |
|
|
int height = 0;
|
1001 |
|
|
start = tabAreaInsets.top + insets.top;
|
1002 |
|
|
int runHeight = start;
|
1003 |
|
|
int fontHeight = fm.getHeight();
|
1004 |
|
|
top = insets.left + tabAreaInsets.left;
|
1005 |
|
|
for (int i = 0; i < tabCount; i++)
|
1006 |
|
|
{
|
1007 |
|
|
height = calculateTabHeight(tabPlacement, i, fontHeight);
|
1008 |
|
|
rects[i] = new Rectangle(top, runHeight, maxWidth, height);
|
1009 |
|
|
runHeight += height;
|
1010 |
|
|
}
|
1011 |
|
|
tabAreaRect.width = runs * maxTabWidth - (runs - 1) * tabRunOverlay
|
1012 |
|
|
+ tabAreaInsets.left + tabAreaInsets.right;
|
1013 |
|
|
tabAreaRect.height = tabPane.getHeight() - insets.top
|
1014 |
|
|
- insets.bottom;
|
1015 |
|
|
tabAreaRect.y = insets.top;
|
1016 |
|
|
contentRect.width = tabPane.getWidth() - insets.left - insets.right
|
1017 |
|
|
- tabAreaRect.width;
|
1018 |
|
|
contentRect.height = tabAreaRect.height;
|
1019 |
|
|
contentRect.y = insets.top;
|
1020 |
|
|
if (tabPlacement == SwingConstants.LEFT)
|
1021 |
|
|
{
|
1022 |
|
|
tabAreaRect.x = insets.left;
|
1023 |
|
|
contentRect.x = tabAreaRect.x + tabAreaRect.width;
|
1024 |
|
|
}
|
1025 |
|
|
else
|
1026 |
|
|
{
|
1027 |
|
|
contentRect.x = insets.left;
|
1028 |
|
|
tabAreaRect.x = contentRect.x + contentRect.width;
|
1029 |
|
|
}
|
1030 |
|
|
}
|
1031 |
|
|
runCount = runs;
|
1032 |
|
|
|
1033 |
|
|
padSelectedTab(tabPlacement, tabPane.getSelectedIndex());
|
1034 |
|
|
}
|
1035 |
|
|
|
1036 |
|
|
/**
|
1037 |
|
|
* This method is called when the JTabbedPane is laid out in
|
1038 |
|
|
* SCROLL_TAB_LAYOUT. It finds the position for all components in the
|
1039 |
|
|
* JTabbedPane.
|
1040 |
|
|
*
|
1041 |
|
|
* @param pane The JTabbedPane to be laid out.
|
1042 |
|
|
*/
|
1043 |
|
|
public void layoutContainer(Container pane)
|
1044 |
|
|
{
|
1045 |
|
|
super.layoutContainer(pane);
|
1046 |
|
|
int tabCount = tabPane.getTabCount();
|
1047 |
|
|
Point p = null;
|
1048 |
|
|
if (tabCount == 0)
|
1049 |
|
|
return;
|
1050 |
|
|
int tabPlacement = tabPane.getTabPlacement();
|
1051 |
|
|
incrButton.hide();
|
1052 |
|
|
decrButton.hide();
|
1053 |
|
|
if (tabPlacement == SwingConstants.TOP
|
1054 |
|
|
|| tabPlacement == SwingConstants.BOTTOM)
|
1055 |
|
|
{
|
1056 |
|
|
if (tabAreaRect.x + tabAreaRect.width < rects[tabCount - 1].x
|
1057 |
|
|
+ rects[tabCount - 1].width)
|
1058 |
|
|
{
|
1059 |
|
|
Dimension incrDims = incrButton.getPreferredSize();
|
1060 |
|
|
Dimension decrDims = decrButton.getPreferredSize();
|
1061 |
|
|
|
1062 |
|
|
decrButton.setBounds(tabAreaRect.x + tabAreaRect.width
|
1063 |
|
|
- incrDims.width - decrDims.width,
|
1064 |
|
|
tabAreaRect.y, decrDims.width,
|
1065 |
|
|
tabAreaRect.height);
|
1066 |
|
|
incrButton.setBounds(tabAreaRect.x + tabAreaRect.width
|
1067 |
|
|
- incrDims.width, tabAreaRect.y,
|
1068 |
|
|
decrDims.width, tabAreaRect.height);
|
1069 |
|
|
|
1070 |
|
|
tabAreaRect.width -= decrDims.width + incrDims.width;
|
1071 |
|
|
incrButton.show();
|
1072 |
|
|
decrButton.show();
|
1073 |
|
|
}
|
1074 |
|
|
}
|
1075 |
|
|
|
1076 |
|
|
if (tabPlacement == SwingConstants.LEFT
|
1077 |
|
|
|| tabPlacement == SwingConstants.RIGHT)
|
1078 |
|
|
{
|
1079 |
|
|
if (tabAreaRect.y + tabAreaRect.height < rects[tabCount - 1].y
|
1080 |
|
|
+ rects[tabCount - 1].height)
|
1081 |
|
|
{
|
1082 |
|
|
Dimension incrDims = incrButton.getPreferredSize();
|
1083 |
|
|
Dimension decrDims = decrButton.getPreferredSize();
|
1084 |
|
|
|
1085 |
|
|
decrButton.setBounds(tabAreaRect.x,
|
1086 |
|
|
tabAreaRect.y + tabAreaRect.height
|
1087 |
|
|
- incrDims.height - decrDims.height,
|
1088 |
|
|
tabAreaRect.width, decrDims.height);
|
1089 |
|
|
incrButton.setBounds(tabAreaRect.x,
|
1090 |
|
|
tabAreaRect.y + tabAreaRect.height
|
1091 |
|
|
- incrDims.height, tabAreaRect.width,
|
1092 |
|
|
incrDims.height);
|
1093 |
|
|
|
1094 |
|
|
tabAreaRect.height -= decrDims.height + incrDims.height;
|
1095 |
|
|
incrButton.show();
|
1096 |
|
|
decrButton.show();
|
1097 |
|
|
}
|
1098 |
|
|
}
|
1099 |
|
|
viewport.setBounds(tabAreaRect.x, tabAreaRect.y, tabAreaRect.width,
|
1100 |
|
|
tabAreaRect.height);
|
1101 |
|
|
int tabC = tabPane.getTabCount() - 1;
|
1102 |
|
|
if (tabCount > 0)
|
1103 |
|
|
{
|
1104 |
|
|
int w = Math.max(rects[tabC].width + rects[tabC].x, tabAreaRect.width);
|
1105 |
|
|
int h = Math.max(rects[tabC].height, tabAreaRect.height);
|
1106 |
|
|
p = findPointForIndex(currentScrollLocation);
|
1107 |
|
|
|
1108 |
|
|
// we want to cover that entire space so that borders that run under
|
1109 |
|
|
// the tab area don't show up when we move the viewport around.
|
1110 |
|
|
panel.setSize(w + p.x, h + p.y);
|
1111 |
|
|
}
|
1112 |
|
|
viewport.setViewPosition(p);
|
1113 |
|
|
viewport.repaint();
|
1114 |
|
|
}
|
1115 |
|
|
}
|
1116 |
|
|
|
1117 |
|
|
/**
|
1118 |
|
|
* This class handles ChangeEvents from the JTabbedPane.
|
1119 |
|
|
*
|
1120 |
|
|
* @specnote Apparently this class was intended to be protected,
|
1121 |
|
|
* but was made public by a compiler bug and is now
|
1122 |
|
|
* public for compatibility.
|
1123 |
|
|
*/
|
1124 |
|
|
public class TabSelectionHandler implements ChangeListener
|
1125 |
|
|
{
|
1126 |
|
|
/**
|
1127 |
|
|
* This method is called whenever a ChangeEvent is fired from the
|
1128 |
|
|
* JTabbedPane.
|
1129 |
|
|
*
|
1130 |
|
|
* @param e The ChangeEvent fired.
|
1131 |
|
|
*/
|
1132 |
|
|
public void stateChanged(ChangeEvent e)
|
1133 |
|
|
{
|
1134 |
|
|
selectedRun = getRunForTab(tabPane.getTabCount(),
|
1135 |
|
|
tabPane.getSelectedIndex());
|
1136 |
|
|
tabPane.revalidate();
|
1137 |
|
|
tabPane.repaint();
|
1138 |
|
|
}
|
1139 |
|
|
}
|
1140 |
|
|
|
1141 |
|
|
/**
|
1142 |
|
|
* This helper class is a JPanel that fits inside the ScrollViewport. This
|
1143 |
|
|
* panel's sole job is to paint the tab rectangles inside the viewport so
|
1144 |
|
|
* that it's clipped correctly.
|
1145 |
|
|
*/
|
1146 |
|
|
private class ScrollingPanel extends JPanel
|
1147 |
|
|
{
|
1148 |
|
|
/**
|
1149 |
|
|
* This is a private UI class for our panel.
|
1150 |
|
|
*/
|
1151 |
|
|
private class ScrollingPanelUI extends BasicPanelUI
|
1152 |
|
|
{
|
1153 |
|
|
/**
|
1154 |
|
|
* This method overrides the default paint method. It paints the tab
|
1155 |
|
|
* rectangles for the JTabbedPane in the panel.
|
1156 |
|
|
*
|
1157 |
|
|
* @param g The Graphics object to paint with.
|
1158 |
|
|
* @param c The JComponent to paint.
|
1159 |
|
|
*/
|
1160 |
|
|
public void paint(Graphics g, JComponent c)
|
1161 |
|
|
{
|
1162 |
|
|
paintTabArea(g, tabPane.getTabPlacement(), tabPane.getSelectedIndex());
|
1163 |
|
|
}
|
1164 |
|
|
}
|
1165 |
|
|
|
1166 |
|
|
/**
|
1167 |
|
|
* This method overrides the updateUI method. It makes the default UI for
|
1168 |
|
|
* this ScrollingPanel to be a ScrollingPanelUI.
|
1169 |
|
|
*/
|
1170 |
|
|
public void updateUI()
|
1171 |
|
|
{
|
1172 |
|
|
setUI((PanelUI) new ScrollingPanelUI());
|
1173 |
|
|
}
|
1174 |
|
|
}
|
1175 |
|
|
|
1176 |
|
|
/**
|
1177 |
|
|
* This is a helper class that paints the panel that paints tabs. This
|
1178 |
|
|
* custom JViewport is used so that the tabs painted in the panel will be
|
1179 |
|
|
* clipped. This class implements UIResource so tabs are not added when
|
1180 |
|
|
* this objects of this class are added to the JTabbedPane.
|
1181 |
|
|
*/
|
1182 |
|
|
private class ScrollingViewport extends JViewport implements UIResource
|
1183 |
|
|
{
|
1184 |
|
|
// TODO: Maybe remove this inner class.
|
1185 |
|
|
}
|
1186 |
|
|
|
1187 |
|
|
/**
|
1188 |
|
|
* This is a helper class that implements UIResource so it is not added as a
|
1189 |
|
|
* tab when an object of this class is added to the JTabbedPane.
|
1190 |
|
|
*/
|
1191 |
|
|
private class ScrollingButton extends BasicArrowButton implements UIResource
|
1192 |
|
|
{
|
1193 |
|
|
/**
|
1194 |
|
|
* Creates a ScrollingButton given the direction.
|
1195 |
|
|
*
|
1196 |
|
|
* @param dir The direction to point in.
|
1197 |
|
|
*/
|
1198 |
|
|
public ScrollingButton(int dir)
|
1199 |
|
|
{
|
1200 |
|
|
super(dir);
|
1201 |
|
|
}
|
1202 |
|
|
}
|
1203 |
|
|
|
1204 |
|
|
/** The button that increments the current scroll location.
|
1205 |
|
|
* This is package-private to avoid an accessor method. */
|
1206 |
|
|
transient ScrollingButton incrButton;
|
1207 |
|
|
|
1208 |
|
|
/** The button that decrements the current scroll location.
|
1209 |
|
|
* This is package-private to avoid an accessor method. */
|
1210 |
|
|
transient ScrollingButton decrButton;
|
1211 |
|
|
|
1212 |
|
|
/** The viewport used to display the tabs.
|
1213 |
|
|
* This is package-private to avoid an accessor method. */
|
1214 |
|
|
transient ScrollingViewport viewport;
|
1215 |
|
|
|
1216 |
|
|
/** The panel inside the viewport that paints the tabs.
|
1217 |
|
|
* This is package-private to avoid an accessor method. */
|
1218 |
|
|
transient ScrollingPanel panel;
|
1219 |
|
|
|
1220 |
|
|
/** The starting visible tab in the run in SCROLL_TAB_MODE.
|
1221 |
|
|
* This is package-private to avoid an accessor method. */
|
1222 |
|
|
transient int currentScrollLocation;
|
1223 |
|
|
|
1224 |
|
|
/** A reusable rectangle. */
|
1225 |
|
|
protected Rectangle calcRect;
|
1226 |
|
|
|
1227 |
|
|
/** An array of Rectangles keeping track of the tabs' area and position. */
|
1228 |
|
|
protected Rectangle[] rects;
|
1229 |
|
|
|
1230 |
|
|
/** The insets around the content area. */
|
1231 |
|
|
protected Insets contentBorderInsets;
|
1232 |
|
|
|
1233 |
|
|
/** The extra insets around the selected tab. */
|
1234 |
|
|
protected Insets selectedTabPadInsets;
|
1235 |
|
|
|
1236 |
|
|
/** The insets around the tab area. */
|
1237 |
|
|
protected Insets tabAreaInsets;
|
1238 |
|
|
|
1239 |
|
|
/** The insets around each and every tab. */
|
1240 |
|
|
protected Insets tabInsets;
|
1241 |
|
|
|
1242 |
|
|
/**
|
1243 |
|
|
* The outer bottom and right edge color for both the tab and content
|
1244 |
|
|
* border.
|
1245 |
|
|
*/
|
1246 |
|
|
protected Color darkShadow;
|
1247 |
|
|
|
1248 |
|
|
/** The color of the focus outline on the selected tab. */
|
1249 |
|
|
protected Color focus;
|
1250 |
|
|
|
1251 |
|
|
/** FIXME: find a use for this. */
|
1252 |
|
|
protected Color highlight;
|
1253 |
|
|
|
1254 |
|
|
/** The top and left edge color for both the tab and content border. */
|
1255 |
|
|
protected Color lightHighlight;
|
1256 |
|
|
|
1257 |
|
|
/** The inner bottom and right edge color for the tab and content border. */
|
1258 |
|
|
protected Color shadow;
|
1259 |
|
|
|
1260 |
|
|
/** The maximum tab height. */
|
1261 |
|
|
protected int maxTabHeight;
|
1262 |
|
|
|
1263 |
|
|
/** The maximum tab width. */
|
1264 |
|
|
protected int maxTabWidth;
|
1265 |
|
|
|
1266 |
|
|
/** The number of runs in the JTabbedPane. */
|
1267 |
|
|
protected int runCount;
|
1268 |
|
|
|
1269 |
|
|
/** The index of the run that the selected index is in. */
|
1270 |
|
|
protected int selectedRun;
|
1271 |
|
|
|
1272 |
|
|
/** The amount of space each run overlaps the previous by. */
|
1273 |
|
|
protected int tabRunOverlay;
|
1274 |
|
|
|
1275 |
|
|
/** The gap between text and label */
|
1276 |
|
|
protected int textIconGap;
|
1277 |
|
|
|
1278 |
|
|
// Keeps track of tab runs.
|
1279 |
|
|
// The organization of this array is as follows (lots of experimentation to
|
1280 |
|
|
// figure this out)
|
1281 |
|
|
// index 0 = furthest away from the component area (aka outer run)
|
1282 |
|
|
// index 1 = closest to component area (aka selected run)
|
1283 |
|
|
// index > 1 = listed in order leading from selected run to outer run.
|
1284 |
|
|
// each int in the array is the tab index + 1 (counting starts at 1)
|
1285 |
|
|
// for the last tab in the run. (same as the rects array)
|
1286 |
|
|
|
1287 |
|
|
/** This array keeps track of which tabs are in which run. See above. */
|
1288 |
|
|
protected int[] tabRuns;
|
1289 |
|
|
|
1290 |
|
|
/**
|
1291 |
|
|
* This is the keystroke for moving down.
|
1292 |
|
|
*
|
1293 |
|
|
* @deprecated 1.3
|
1294 |
|
|
*/
|
1295 |
|
|
protected KeyStroke downKey;
|
1296 |
|
|
|
1297 |
|
|
/**
|
1298 |
|
|
* This is the keystroke for moving left.
|
1299 |
|
|
*
|
1300 |
|
|
* @deprecated 1.3
|
1301 |
|
|
*/
|
1302 |
|
|
protected KeyStroke leftKey;
|
1303 |
|
|
|
1304 |
|
|
/**
|
1305 |
|
|
* This is the keystroke for moving right.
|
1306 |
|
|
*
|
1307 |
|
|
* @deprecated 1.3
|
1308 |
|
|
*/
|
1309 |
|
|
protected KeyStroke rightKey;
|
1310 |
|
|
|
1311 |
|
|
/**
|
1312 |
|
|
* This is the keystroke for moving up.
|
1313 |
|
|
*
|
1314 |
|
|
* @deprecated 1.3
|
1315 |
|
|
*/
|
1316 |
|
|
protected KeyStroke upKey;
|
1317 |
|
|
|
1318 |
|
|
/** The listener that listens for focus events. */
|
1319 |
|
|
protected FocusListener focusListener;
|
1320 |
|
|
|
1321 |
|
|
/** The listener that listens for mouse events. */
|
1322 |
|
|
protected MouseListener mouseListener;
|
1323 |
|
|
|
1324 |
|
|
/** The listener that listens for property change events. */
|
1325 |
|
|
protected PropertyChangeListener propertyChangeListener;
|
1326 |
|
|
|
1327 |
|
|
/** The listener that listens for change events. */
|
1328 |
|
|
protected ChangeListener tabChangeListener;
|
1329 |
|
|
|
1330 |
|
|
/** The tab pane that this UI paints. */
|
1331 |
|
|
protected JTabbedPane tabPane;
|
1332 |
|
|
|
1333 |
|
|
/** The current layout manager for the tabPane.
|
1334 |
|
|
* This is package-private to avoid an accessor method. */
|
1335 |
|
|
transient LayoutManager layoutManager;
|
1336 |
|
|
|
1337 |
|
|
/** The rectangle that describes the tab area's position and size.
|
1338 |
|
|
* This is package-private to avoid an accessor method. */
|
1339 |
|
|
transient Rectangle tabAreaRect;
|
1340 |
|
|
|
1341 |
|
|
/** The rectangle that describes the content area's position and
|
1342 |
|
|
* size. This is package-private to avoid an accessor method. */
|
1343 |
|
|
transient Rectangle contentRect;
|
1344 |
|
|
|
1345 |
|
|
/**
|
1346 |
|
|
* Creates a new BasicTabbedPaneUI object.
|
1347 |
|
|
*/
|
1348 |
|
|
public BasicTabbedPaneUI()
|
1349 |
|
|
{
|
1350 |
|
|
super();
|
1351 |
|
|
}
|
1352 |
|
|
|
1353 |
|
|
/**
|
1354 |
|
|
* This method creates a ScrollingButton that points in the appropriate
|
1355 |
|
|
* direction for an increasing button.
|
1356 |
|
|
* This is package-private to avoid an accessor method.
|
1357 |
|
|
*
|
1358 |
|
|
* @return The increase ScrollingButton.
|
1359 |
|
|
*/
|
1360 |
|
|
ScrollingButton createIncreaseButton()
|
1361 |
|
|
{
|
1362 |
|
|
if (incrButton == null)
|
1363 |
|
|
incrButton = new ScrollingButton(SwingConstants.NORTH);
|
1364 |
|
|
if (tabPane.getTabPlacement() == SwingConstants.TOP
|
1365 |
|
|
|| tabPane.getTabPlacement() == SwingConstants.BOTTOM)
|
1366 |
|
|
incrButton.setDirection(SwingConstants.EAST);
|
1367 |
|
|
else
|
1368 |
|
|
incrButton.setDirection(SwingConstants.SOUTH);
|
1369 |
|
|
return incrButton;
|
1370 |
|
|
}
|
1371 |
|
|
|
1372 |
|
|
/**
|
1373 |
|
|
* This method creates a ScrollingButton that points in the appropriate
|
1374 |
|
|
* direction for a decreasing button.
|
1375 |
|
|
* This is package-private to avoid an accessor method.
|
1376 |
|
|
*
|
1377 |
|
|
* @return The decrease ScrollingButton.
|
1378 |
|
|
*/
|
1379 |
|
|
ScrollingButton createDecreaseButton()
|
1380 |
|
|
{
|
1381 |
|
|
if (decrButton == null)
|
1382 |
|
|
decrButton = new ScrollingButton(SwingConstants.SOUTH);
|
1383 |
|
|
if (tabPane.getTabPlacement() == SwingConstants.TOP
|
1384 |
|
|
|| tabPane.getTabPlacement() == SwingConstants.BOTTOM)
|
1385 |
|
|
decrButton.setDirection(SwingConstants.WEST);
|
1386 |
|
|
else
|
1387 |
|
|
decrButton.setDirection(SwingConstants.NORTH);
|
1388 |
|
|
return decrButton;
|
1389 |
|
|
}
|
1390 |
|
|
|
1391 |
|
|
/**
|
1392 |
|
|
* This method finds the point to set the view position at given the index
|
1393 |
|
|
* of a tab. The tab will be the first visible tab in the run.
|
1394 |
|
|
* This is package-private to avoid an accessor method.
|
1395 |
|
|
*
|
1396 |
|
|
* @param index The index of the first visible tab.
|
1397 |
|
|
*
|
1398 |
|
|
* @return The position of the first visible tab.
|
1399 |
|
|
*/
|
1400 |
|
|
Point findPointForIndex(int index)
|
1401 |
|
|
{
|
1402 |
|
|
int tabPlacement = tabPane.getTabPlacement();
|
1403 |
|
|
int selectedIndex = tabPane.getSelectedIndex();
|
1404 |
|
|
Insets insets = getSelectedTabPadInsets(tabPlacement);
|
1405 |
|
|
int w = 0;
|
1406 |
|
|
int h = 0;
|
1407 |
|
|
|
1408 |
|
|
if (tabPlacement == TOP || tabPlacement == BOTTOM)
|
1409 |
|
|
{
|
1410 |
|
|
if (index > 0)
|
1411 |
|
|
{
|
1412 |
|
|
w += rects[index - 1].x + rects[index - 1].width;
|
1413 |
|
|
if (index > selectedIndex)
|
1414 |
|
|
w -= insets.left + insets.right;
|
1415 |
|
|
}
|
1416 |
|
|
}
|
1417 |
|
|
|
1418 |
|
|
else
|
1419 |
|
|
{
|
1420 |
|
|
if (index > 0)
|
1421 |
|
|
{
|
1422 |
|
|
h += rects[index - 1].y + rects[index - 1].height;
|
1423 |
|
|
if (index > selectedIndex)
|
1424 |
|
|
h -= insets.top + insets.bottom;
|
1425 |
|
|
}
|
1426 |
|
|
}
|
1427 |
|
|
|
1428 |
|
|
Point p = new Point(w, h);
|
1429 |
|
|
return p;
|
1430 |
|
|
}
|
1431 |
|
|
|
1432 |
|
|
/**
|
1433 |
|
|
* This method creates a new BasicTabbedPaneUI.
|
1434 |
|
|
*
|
1435 |
|
|
* @param c The JComponent to create a UI for.
|
1436 |
|
|
*
|
1437 |
|
|
* @return A new BasicTabbedPaneUI.
|
1438 |
|
|
*/
|
1439 |
|
|
public static ComponentUI createUI(JComponent c)
|
1440 |
|
|
{
|
1441 |
|
|
return new BasicTabbedPaneUI();
|
1442 |
|
|
}
|
1443 |
|
|
|
1444 |
|
|
/**
|
1445 |
|
|
* This method installs the UI for the given JComponent.
|
1446 |
|
|
*
|
1447 |
|
|
* @param c The JComponent to install the UI for.
|
1448 |
|
|
*/
|
1449 |
|
|
public void installUI(JComponent c)
|
1450 |
|
|
{
|
1451 |
|
|
super.installUI(c);
|
1452 |
|
|
if (c instanceof JTabbedPane)
|
1453 |
|
|
{
|
1454 |
|
|
tabPane = (JTabbedPane) c;
|
1455 |
|
|
|
1456 |
|
|
installComponents();
|
1457 |
|
|
installDefaults();
|
1458 |
|
|
installListeners();
|
1459 |
|
|
installKeyboardActions();
|
1460 |
|
|
|
1461 |
|
|
layoutManager = createLayoutManager();
|
1462 |
|
|
tabPane.setLayout(layoutManager);
|
1463 |
|
|
tabPane.layout();
|
1464 |
|
|
}
|
1465 |
|
|
}
|
1466 |
|
|
|
1467 |
|
|
/**
|
1468 |
|
|
* This method uninstalls the UI for the given JComponent.
|
1469 |
|
|
*
|
1470 |
|
|
* @param c The JComponent to uninstall the UI for.
|
1471 |
|
|
*/
|
1472 |
|
|
public void uninstallUI(JComponent c)
|
1473 |
|
|
{
|
1474 |
|
|
layoutManager = null;
|
1475 |
|
|
|
1476 |
|
|
uninstallKeyboardActions();
|
1477 |
|
|
uninstallListeners();
|
1478 |
|
|
uninstallDefaults();
|
1479 |
|
|
uninstallComponents();
|
1480 |
|
|
|
1481 |
|
|
tabPane = null;
|
1482 |
|
|
}
|
1483 |
|
|
|
1484 |
|
|
/**
|
1485 |
|
|
* This method creates the appropriate layout manager for the JTabbedPane's
|
1486 |
|
|
* current tab layout policy. If the tab layout policy is
|
1487 |
|
|
* SCROLL_TAB_LAYOUT, then all the associated components that need to be
|
1488 |
|
|
* created will be done so now.
|
1489 |
|
|
*
|
1490 |
|
|
* @return A layout manager given the tab layout policy.
|
1491 |
|
|
*/
|
1492 |
|
|
protected LayoutManager createLayoutManager()
|
1493 |
|
|
{
|
1494 |
|
|
if (tabPane.getTabLayoutPolicy() == JTabbedPane.WRAP_TAB_LAYOUT)
|
1495 |
|
|
return new TabbedPaneLayout();
|
1496 |
|
|
else
|
1497 |
|
|
{
|
1498 |
|
|
incrButton = createIncreaseButton();
|
1499 |
|
|
decrButton = createDecreaseButton();
|
1500 |
|
|
viewport = new ScrollingViewport();
|
1501 |
|
|
viewport.setLayout(null);
|
1502 |
|
|
panel = new ScrollingPanel();
|
1503 |
|
|
viewport.setView(panel);
|
1504 |
|
|
tabPane.add(incrButton);
|
1505 |
|
|
tabPane.add(decrButton);
|
1506 |
|
|
tabPane.add(viewport);
|
1507 |
|
|
currentScrollLocation = 0;
|
1508 |
|
|
decrButton.setEnabled(false);
|
1509 |
|
|
panel.addMouseListener(mouseListener);
|
1510 |
|
|
incrButton.addMouseListener(mouseListener);
|
1511 |
|
|
decrButton.addMouseListener(mouseListener);
|
1512 |
|
|
viewport.setBackground(Color.LIGHT_GRAY);
|
1513 |
|
|
|
1514 |
|
|
return new TabbedPaneScrollLayout();
|
1515 |
|
|
}
|
1516 |
|
|
}
|
1517 |
|
|
|
1518 |
|
|
/**
|
1519 |
|
|
* This method installs components for this JTabbedPane.
|
1520 |
|
|
*/
|
1521 |
|
|
protected void installComponents()
|
1522 |
|
|
{
|
1523 |
|
|
// Nothing to be done.
|
1524 |
|
|
}
|
1525 |
|
|
|
1526 |
|
|
/**
|
1527 |
|
|
* This method uninstalls components for this JTabbedPane.
|
1528 |
|
|
*/
|
1529 |
|
|
protected void uninstallComponents()
|
1530 |
|
|
{
|
1531 |
|
|
// Nothing to be done.
|
1532 |
|
|
}
|
1533 |
|
|
|
1534 |
|
|
/**
|
1535 |
|
|
* This method installs defaults for the Look and Feel.
|
1536 |
|
|
*/
|
1537 |
|
|
protected void installDefaults()
|
1538 |
|
|
{
|
1539 |
|
|
LookAndFeel.installColorsAndFont(tabPane, "TabbedPane.background",
|
1540 |
|
|
"TabbedPane.foreground",
|
1541 |
|
|
"TabbedPane.font");
|
1542 |
|
|
tabPane.setOpaque(false);
|
1543 |
|
|
|
1544 |
|
|
highlight = UIManager.getColor("TabbedPane.highlight");
|
1545 |
|
|
lightHighlight = UIManager.getColor("TabbedPane.lightHighlight");
|
1546 |
|
|
|
1547 |
|
|
shadow = UIManager.getColor("TabbedPane.shadow");
|
1548 |
|
|
darkShadow = UIManager.getColor("TabbedPane.darkShadow");
|
1549 |
|
|
|
1550 |
|
|
focus = UIManager.getColor("TabbedPane.focus");
|
1551 |
|
|
|
1552 |
|
|
textIconGap = UIManager.getInt("TabbedPane.textIconGap");
|
1553 |
|
|
tabRunOverlay = UIManager.getInt("TabbedPane.tabRunOverlay");
|
1554 |
|
|
|
1555 |
|
|
tabInsets = UIManager.getInsets("TabbedPane.tabbedPaneTabInsets");
|
1556 |
|
|
selectedTabPadInsets = UIManager.getInsets("TabbedPane.tabbedPaneTabPadInsets");
|
1557 |
|
|
tabAreaInsets = UIManager.getInsets("TabbedPane.tabbedPaneTabAreaInsets");
|
1558 |
|
|
contentBorderInsets = UIManager.getInsets("TabbedPane.tabbedPaneContentBorderInsets");
|
1559 |
|
|
|
1560 |
|
|
calcRect = new Rectangle();
|
1561 |
|
|
tabRuns = new int[10];
|
1562 |
|
|
tabAreaRect = new Rectangle();
|
1563 |
|
|
contentRect = new Rectangle();
|
1564 |
|
|
}
|
1565 |
|
|
|
1566 |
|
|
/**
|
1567 |
|
|
* This method uninstalls defaults for the Look and Feel.
|
1568 |
|
|
*/
|
1569 |
|
|
protected void uninstallDefaults()
|
1570 |
|
|
{
|
1571 |
|
|
calcRect = null;
|
1572 |
|
|
tabAreaRect = null;
|
1573 |
|
|
contentRect = null;
|
1574 |
|
|
tabRuns = null;
|
1575 |
|
|
|
1576 |
|
|
contentBorderInsets = null;
|
1577 |
|
|
tabAreaInsets = null;
|
1578 |
|
|
selectedTabPadInsets = null;
|
1579 |
|
|
tabInsets = null;
|
1580 |
|
|
|
1581 |
|
|
focus = null;
|
1582 |
|
|
darkShadow = null;
|
1583 |
|
|
shadow = null;
|
1584 |
|
|
lightHighlight = null;
|
1585 |
|
|
highlight = null;
|
1586 |
|
|
|
1587 |
|
|
tabPane.setBackground(null);
|
1588 |
|
|
tabPane.setForeground(null);
|
1589 |
|
|
tabPane.setFont(null);
|
1590 |
|
|
}
|
1591 |
|
|
|
1592 |
|
|
/**
|
1593 |
|
|
* This method creates and installs the listeners for this UI.
|
1594 |
|
|
*/
|
1595 |
|
|
protected void installListeners()
|
1596 |
|
|
{
|
1597 |
|
|
mouseListener = createMouseListener();
|
1598 |
|
|
tabChangeListener = createChangeListener();
|
1599 |
|
|
propertyChangeListener = createPropertyChangeListener();
|
1600 |
|
|
focusListener = createFocusListener();
|
1601 |
|
|
|
1602 |
|
|
tabPane.addMouseListener(mouseListener);
|
1603 |
|
|
tabPane.addChangeListener(tabChangeListener);
|
1604 |
|
|
tabPane.addPropertyChangeListener(propertyChangeListener);
|
1605 |
|
|
tabPane.addFocusListener(focusListener);
|
1606 |
|
|
}
|
1607 |
|
|
|
1608 |
|
|
/**
|
1609 |
|
|
* This method removes and nulls the listeners for this UI.
|
1610 |
|
|
*/
|
1611 |
|
|
protected void uninstallListeners()
|
1612 |
|
|
{
|
1613 |
|
|
tabPane.removeFocusListener(focusListener);
|
1614 |
|
|
tabPane.removePropertyChangeListener(propertyChangeListener);
|
1615 |
|
|
tabPane.removeChangeListener(tabChangeListener);
|
1616 |
|
|
tabPane.removeMouseListener(mouseListener);
|
1617 |
|
|
|
1618 |
|
|
focusListener = null;
|
1619 |
|
|
propertyChangeListener = null;
|
1620 |
|
|
tabChangeListener = null;
|
1621 |
|
|
mouseListener = null;
|
1622 |
|
|
}
|
1623 |
|
|
|
1624 |
|
|
/**
|
1625 |
|
|
* This method creates a new MouseListener.
|
1626 |
|
|
*
|
1627 |
|
|
* @return A new MouseListener.
|
1628 |
|
|
*/
|
1629 |
|
|
protected MouseListener createMouseListener()
|
1630 |
|
|
{
|
1631 |
|
|
return new MouseHandler();
|
1632 |
|
|
}
|
1633 |
|
|
|
1634 |
|
|
/**
|
1635 |
|
|
* This method creates a new FocusListener.
|
1636 |
|
|
*
|
1637 |
|
|
* @return A new FocusListener.
|
1638 |
|
|
*/
|
1639 |
|
|
protected FocusListener createFocusListener()
|
1640 |
|
|
{
|
1641 |
|
|
return new FocusHandler();
|
1642 |
|
|
}
|
1643 |
|
|
|
1644 |
|
|
/**
|
1645 |
|
|
* This method creates a new ChangeListener.
|
1646 |
|
|
*
|
1647 |
|
|
* @return A new ChangeListener.
|
1648 |
|
|
*/
|
1649 |
|
|
protected ChangeListener createChangeListener()
|
1650 |
|
|
{
|
1651 |
|
|
return new TabSelectionHandler();
|
1652 |
|
|
}
|
1653 |
|
|
|
1654 |
|
|
/**
|
1655 |
|
|
* This method creates a new PropertyChangeListener.
|
1656 |
|
|
*
|
1657 |
|
|
* @return A new PropertyChangeListener.
|
1658 |
|
|
*/
|
1659 |
|
|
protected PropertyChangeListener createPropertyChangeListener()
|
1660 |
|
|
{
|
1661 |
|
|
return new PropertyChangeHandler();
|
1662 |
|
|
}
|
1663 |
|
|
|
1664 |
|
|
/**
|
1665 |
|
|
* This method installs keyboard actions for the JTabbedPane.
|
1666 |
|
|
*/
|
1667 |
|
|
protected void installKeyboardActions()
|
1668 |
|
|
{
|
1669 |
|
|
// FIXME: Implement.
|
1670 |
|
|
}
|
1671 |
|
|
|
1672 |
|
|
/**
|
1673 |
|
|
* This method uninstalls keyboard actions for the JTabbedPane.
|
1674 |
|
|
*/
|
1675 |
|
|
protected void uninstallKeyboardActions()
|
1676 |
|
|
{
|
1677 |
|
|
// FIXME: Implement.
|
1678 |
|
|
}
|
1679 |
|
|
|
1680 |
|
|
/**
|
1681 |
|
|
* This method returns the minimum size of the JTabbedPane.
|
1682 |
|
|
*
|
1683 |
|
|
* @param c The JComponent to find a size for.
|
1684 |
|
|
*
|
1685 |
|
|
* @return The minimum size.
|
1686 |
|
|
*/
|
1687 |
|
|
public Dimension getMinimumSize(JComponent c)
|
1688 |
|
|
{
|
1689 |
|
|
return layoutManager.minimumLayoutSize(tabPane);
|
1690 |
|
|
}
|
1691 |
|
|
|
1692 |
|
|
/**
|
1693 |
|
|
* This method returns the maximum size of the JTabbedPane.
|
1694 |
|
|
*
|
1695 |
|
|
* @param c The JComponent to find a size for.
|
1696 |
|
|
*
|
1697 |
|
|
* @return The maximum size.
|
1698 |
|
|
*/
|
1699 |
|
|
public Dimension getMaximumSize(JComponent c)
|
1700 |
|
|
{
|
1701 |
|
|
return new Dimension(Short.MAX_VALUE, Short.MAX_VALUE);
|
1702 |
|
|
}
|
1703 |
|
|
|
1704 |
|
|
/**
|
1705 |
|
|
* This method paints the JTabbedPane.
|
1706 |
|
|
*
|
1707 |
|
|
* @param g The Graphics object to paint with.
|
1708 |
|
|
* @param c The JComponent to paint.
|
1709 |
|
|
*/
|
1710 |
|
|
public void paint(Graphics g, JComponent c)
|
1711 |
|
|
{
|
1712 |
|
|
if (tabPane.getTabCount() == 0)
|
1713 |
|
|
return;
|
1714 |
|
|
if (tabPane.getTabLayoutPolicy() == JTabbedPane.WRAP_TAB_LAYOUT)
|
1715 |
|
|
paintTabArea(g, tabPane.getTabPlacement(), tabPane.getSelectedIndex());
|
1716 |
|
|
paintContentBorder(g, tabPane.getTabPlacement(), tabPane.getSelectedIndex());
|
1717 |
|
|
}
|
1718 |
|
|
|
1719 |
|
|
/**
|
1720 |
|
|
* This method paints the tab area. This includes painting the rectangles
|
1721 |
|
|
* that make up the tabs.
|
1722 |
|
|
*
|
1723 |
|
|
* @param g The Graphics object to paint with.
|
1724 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
1725 |
|
|
* @param selectedIndex The selected index.
|
1726 |
|
|
*/
|
1727 |
|
|
protected void paintTabArea(Graphics g, int tabPlacement, int selectedIndex)
|
1728 |
|
|
{
|
1729 |
|
|
Rectangle ir = new Rectangle();
|
1730 |
|
|
Rectangle tr = new Rectangle();
|
1731 |
|
|
|
1732 |
|
|
boolean isScroll = tabPane.getTabLayoutPolicy() == JTabbedPane.SCROLL_TAB_LAYOUT;
|
1733 |
|
|
|
1734 |
|
|
// Please note: the ordering of the painting is important.
|
1735 |
|
|
// we WANT to paint the outermost run first and then work our way in.
|
1736 |
|
|
int tabCount = tabPane.getTabCount();
|
1737 |
|
|
int currRun = 1;
|
1738 |
|
|
|
1739 |
|
|
if (tabCount > runCount)
|
1740 |
|
|
runCount = tabCount;
|
1741 |
|
|
|
1742 |
|
|
if (tabCount < 1)
|
1743 |
|
|
return;
|
1744 |
|
|
|
1745 |
|
|
if (runCount > 1)
|
1746 |
|
|
currRun = 0;
|
1747 |
|
|
for (int i = 0; i < runCount; i++)
|
1748 |
|
|
{
|
1749 |
|
|
int first = lastTabInRun(tabCount, getPreviousTabRun(currRun)) + 1;
|
1750 |
|
|
if (isScroll)
|
1751 |
|
|
first = currentScrollLocation;
|
1752 |
|
|
else if (first == tabCount)
|
1753 |
|
|
first = 0;
|
1754 |
|
|
int last = lastTabInRun(tabCount, currRun);
|
1755 |
|
|
if (isScroll)
|
1756 |
|
|
{
|
1757 |
|
|
for (int k = first; k < tabCount; k++)
|
1758 |
|
|
{
|
1759 |
|
|
if (rects[k].x + rects[k].width - rects[first].x > viewport
|
1760 |
|
|
.getWidth())
|
1761 |
|
|
{
|
1762 |
|
|
last = k;
|
1763 |
|
|
break;
|
1764 |
|
|
}
|
1765 |
|
|
}
|
1766 |
|
|
}
|
1767 |
|
|
|
1768 |
|
|
for (int j = first; j <= last; j++)
|
1769 |
|
|
{
|
1770 |
|
|
if (j != selectedIndex || isScroll)
|
1771 |
|
|
paintTab(g, tabPlacement, rects, j, ir, tr);
|
1772 |
|
|
}
|
1773 |
|
|
currRun = getPreviousTabRun(currRun);
|
1774 |
|
|
}
|
1775 |
|
|
if (! isScroll)
|
1776 |
|
|
paintTab(g, tabPlacement, rects, selectedIndex, ir, tr);
|
1777 |
|
|
}
|
1778 |
|
|
|
1779 |
|
|
/**
|
1780 |
|
|
* This method paints an individual tab.
|
1781 |
|
|
*
|
1782 |
|
|
* @param g The Graphics object to paint with.
|
1783 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
1784 |
|
|
* @param rects The array of rectangles that keep the size and position of
|
1785 |
|
|
* the tabs.
|
1786 |
|
|
* @param tabIndex The tab index to paint.
|
1787 |
|
|
* @param iconRect The rectangle to use for the icon.
|
1788 |
|
|
* @param textRect The rectangle to use for the text.
|
1789 |
|
|
*/
|
1790 |
|
|
protected void paintTab(Graphics g, int tabPlacement, Rectangle[] rects,
|
1791 |
|
|
int tabIndex, Rectangle iconRect, Rectangle textRect)
|
1792 |
|
|
{
|
1793 |
|
|
FontMetrics fm = getFontMetrics();
|
1794 |
|
|
Icon icon = getIconForTab(tabIndex);
|
1795 |
|
|
String title = tabPane.getTitleAt(tabIndex);
|
1796 |
|
|
boolean isSelected = tabIndex == tabPane.getSelectedIndex();
|
1797 |
|
|
calcRect = getTabBounds(tabPane, tabIndex);
|
1798 |
|
|
|
1799 |
|
|
int x = calcRect.x;
|
1800 |
|
|
int y = calcRect.y;
|
1801 |
|
|
int w = calcRect.width;
|
1802 |
|
|
int h = calcRect.height;
|
1803 |
|
|
if (getRunForTab(tabPane.getTabCount(), tabIndex) == 1)
|
1804 |
|
|
{
|
1805 |
|
|
Insets insets = getTabAreaInsets(tabPlacement);
|
1806 |
|
|
switch (tabPlacement)
|
1807 |
|
|
{
|
1808 |
|
|
case TOP:
|
1809 |
|
|
h += insets.bottom;
|
1810 |
|
|
break;
|
1811 |
|
|
case LEFT:
|
1812 |
|
|
w += insets.right;
|
1813 |
|
|
break;
|
1814 |
|
|
case BOTTOM:
|
1815 |
|
|
y -= insets.top;
|
1816 |
|
|
h += insets.top;
|
1817 |
|
|
break;
|
1818 |
|
|
case RIGHT:
|
1819 |
|
|
x -= insets.left;
|
1820 |
|
|
w += insets.left;
|
1821 |
|
|
break;
|
1822 |
|
|
}
|
1823 |
|
|
}
|
1824 |
|
|
|
1825 |
|
|
layoutLabel(tabPlacement, fm, tabIndex, title, icon, calcRect, iconRect,
|
1826 |
|
|
textRect, isSelected);
|
1827 |
|
|
paintTabBackground(g, tabPlacement, tabIndex, x, y, w, h, isSelected);
|
1828 |
|
|
paintTabBorder(g, tabPlacement, tabIndex, x, y, w, h, isSelected);
|
1829 |
|
|
|
1830 |
|
|
// FIXME: Paint little folding corner and jagged edge clipped tab.
|
1831 |
|
|
if (icon != null)
|
1832 |
|
|
paintIcon(g, tabPlacement, tabIndex, icon, iconRect, isSelected);
|
1833 |
|
|
if (title != null && ! title.equals(""))
|
1834 |
|
|
paintText(g, tabPlacement, tabPane.getFont(), fm, tabIndex, title,
|
1835 |
|
|
textRect, isSelected);
|
1836 |
|
|
}
|
1837 |
|
|
|
1838 |
|
|
/**
|
1839 |
|
|
* This method lays out the tab and finds the location to paint the icon
|
1840 |
|
|
* and text.
|
1841 |
|
|
*
|
1842 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
1843 |
|
|
* @param metrics The font metrics for the font to paint with.
|
1844 |
|
|
* @param tabIndex The tab index to paint.
|
1845 |
|
|
* @param title The string painted.
|
1846 |
|
|
* @param icon The icon painted.
|
1847 |
|
|
* @param tabRect The tab bounds.
|
1848 |
|
|
* @param iconRect The calculated icon bounds.
|
1849 |
|
|
* @param textRect The calculated text bounds.
|
1850 |
|
|
* @param isSelected Whether this tab is selected.
|
1851 |
|
|
*/
|
1852 |
|
|
protected void layoutLabel(int tabPlacement, FontMetrics metrics,
|
1853 |
|
|
int tabIndex, String title, Icon icon,
|
1854 |
|
|
Rectangle tabRect, Rectangle iconRect,
|
1855 |
|
|
Rectangle textRect, boolean isSelected)
|
1856 |
|
|
{
|
1857 |
|
|
SwingUtilities.layoutCompoundLabel(metrics, title, icon,
|
1858 |
|
|
SwingConstants.CENTER,
|
1859 |
|
|
SwingConstants.CENTER,
|
1860 |
|
|
SwingConstants.CENTER,
|
1861 |
|
|
SwingConstants.RIGHT, tabRect,
|
1862 |
|
|
iconRect, textRect, textIconGap);
|
1863 |
|
|
|
1864 |
|
|
int shiftX = getTabLabelShiftX(tabPlacement, tabIndex, isSelected);
|
1865 |
|
|
int shiftY = getTabLabelShiftY(tabPlacement, tabIndex, isSelected);
|
1866 |
|
|
|
1867 |
|
|
iconRect.x += shiftX;
|
1868 |
|
|
iconRect.y += shiftY;
|
1869 |
|
|
|
1870 |
|
|
textRect.x += shiftX;
|
1871 |
|
|
textRect.y += shiftY;
|
1872 |
|
|
}
|
1873 |
|
|
|
1874 |
|
|
/**
|
1875 |
|
|
* This method paints the icon.
|
1876 |
|
|
*
|
1877 |
|
|
* @param g The Graphics object to paint.
|
1878 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
1879 |
|
|
* @param tabIndex The tab index to paint.
|
1880 |
|
|
* @param icon The icon to paint.
|
1881 |
|
|
* @param iconRect The bounds of the icon.
|
1882 |
|
|
* @param isSelected Whether this tab is selected.
|
1883 |
|
|
*/
|
1884 |
|
|
protected void paintIcon(Graphics g, int tabPlacement, int tabIndex,
|
1885 |
|
|
Icon icon, Rectangle iconRect, boolean isSelected)
|
1886 |
|
|
{
|
1887 |
|
|
icon.paintIcon(tabPane, g, iconRect.x, iconRect.y);
|
1888 |
|
|
}
|
1889 |
|
|
|
1890 |
|
|
/**
|
1891 |
|
|
* This method paints the text for the given tab.
|
1892 |
|
|
*
|
1893 |
|
|
* @param g The Graphics object to paint with.
|
1894 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
1895 |
|
|
* @param font The font to paint with.
|
1896 |
|
|
* @param metrics The fontmetrics of the given font.
|
1897 |
|
|
* @param tabIndex The tab index.
|
1898 |
|
|
* @param title The string to paint.
|
1899 |
|
|
* @param textRect The bounds of the string.
|
1900 |
|
|
* @param isSelected Whether this tab is selected.
|
1901 |
|
|
*/
|
1902 |
|
|
protected void paintText(Graphics g, int tabPlacement, Font font,
|
1903 |
|
|
FontMetrics metrics, int tabIndex, String title,
|
1904 |
|
|
Rectangle textRect, boolean isSelected)
|
1905 |
|
|
{
|
1906 |
|
|
View textView = getTextViewForTab(tabIndex);
|
1907 |
|
|
if (textView != null)
|
1908 |
|
|
{
|
1909 |
|
|
textView.paint(g, textRect);
|
1910 |
|
|
return;
|
1911 |
|
|
}
|
1912 |
|
|
|
1913 |
|
|
Color fg = tabPane.getForegroundAt(tabIndex);
|
1914 |
|
|
if (fg == null)
|
1915 |
|
|
fg = tabPane.getForeground();
|
1916 |
|
|
Color bg = tabPane.getBackgroundAt(tabIndex);
|
1917 |
|
|
if (bg == null)
|
1918 |
|
|
bg = tabPane.getBackground();
|
1919 |
|
|
|
1920 |
|
|
Color saved_color = g.getColor();
|
1921 |
|
|
Font f = g.getFont();
|
1922 |
|
|
g.setFont(font);
|
1923 |
|
|
|
1924 |
|
|
if (tabPane.isEnabledAt(tabIndex))
|
1925 |
|
|
{
|
1926 |
|
|
g.setColor(fg);
|
1927 |
|
|
|
1928 |
|
|
int mnemIndex = tabPane.getDisplayedMnemonicIndexAt(tabIndex);
|
1929 |
|
|
|
1930 |
|
|
if (mnemIndex != -1)
|
1931 |
|
|
BasicGraphicsUtils.drawStringUnderlineCharAt(g, title, mnemIndex,
|
1932 |
|
|
textRect.x,
|
1933 |
|
|
textRect.y
|
1934 |
|
|
+ metrics.getAscent());
|
1935 |
|
|
else
|
1936 |
|
|
g.drawString(title, textRect.x, textRect.y + metrics.getAscent());
|
1937 |
|
|
}
|
1938 |
|
|
else
|
1939 |
|
|
{
|
1940 |
|
|
g.setColor(bg.brighter());
|
1941 |
|
|
|
1942 |
|
|
int mnemIndex = tabPane.getDisplayedMnemonicIndexAt(tabIndex);
|
1943 |
|
|
|
1944 |
|
|
if (mnemIndex != -1)
|
1945 |
|
|
BasicGraphicsUtils.drawStringUnderlineCharAt(g, title, mnemIndex,
|
1946 |
|
|
textRect.x, textRect.y);
|
1947 |
|
|
else
|
1948 |
|
|
g.drawString(title, textRect.x, textRect.y);
|
1949 |
|
|
|
1950 |
|
|
g.setColor(bg.darker());
|
1951 |
|
|
if (mnemIndex != -1)
|
1952 |
|
|
BasicGraphicsUtils.drawStringUnderlineCharAt(g, title, mnemIndex,
|
1953 |
|
|
textRect.x + 1,
|
1954 |
|
|
textRect.y + 1);
|
1955 |
|
|
else
|
1956 |
|
|
g.drawString(title, textRect.x + 1, textRect.y + 1);
|
1957 |
|
|
}
|
1958 |
|
|
|
1959 |
|
|
g.setColor(saved_color);
|
1960 |
|
|
g.setFont(f);
|
1961 |
|
|
}
|
1962 |
|
|
|
1963 |
|
|
/**
|
1964 |
|
|
* This method returns how much the label for the tab should shift in the X
|
1965 |
|
|
* direction.
|
1966 |
|
|
*
|
1967 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
1968 |
|
|
* @param tabIndex The tab index being painted.
|
1969 |
|
|
* @param isSelected Whether this tab is selected.
|
1970 |
|
|
*
|
1971 |
|
|
* @return The amount the label should shift by in the X direction.
|
1972 |
|
|
*/
|
1973 |
|
|
protected int getTabLabelShiftX(int tabPlacement, int tabIndex,
|
1974 |
|
|
boolean isSelected)
|
1975 |
|
|
{
|
1976 |
|
|
// No reason to shift.
|
1977 |
|
|
return 0;
|
1978 |
|
|
}
|
1979 |
|
|
|
1980 |
|
|
/**
|
1981 |
|
|
* This method returns how much the label for the tab should shift in the Y
|
1982 |
|
|
* direction.
|
1983 |
|
|
*
|
1984 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
1985 |
|
|
* @param tabIndex The tab index being painted.
|
1986 |
|
|
* @param isSelected Whether this tab is selected.
|
1987 |
|
|
*
|
1988 |
|
|
* @return The amount the label should shift by in the Y direction.
|
1989 |
|
|
*/
|
1990 |
|
|
protected int getTabLabelShiftY(int tabPlacement, int tabIndex,
|
1991 |
|
|
boolean isSelected)
|
1992 |
|
|
{
|
1993 |
|
|
// No reason to shift.
|
1994 |
|
|
return 0;
|
1995 |
|
|
}
|
1996 |
|
|
|
1997 |
|
|
/**
|
1998 |
|
|
* This method paints the focus rectangle around the selected tab.
|
1999 |
|
|
*
|
2000 |
|
|
* @param g The Graphics object to paint with.
|
2001 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2002 |
|
|
* @param rects The array of rectangles keeping track of size and position.
|
2003 |
|
|
* @param tabIndex The tab index.
|
2004 |
|
|
* @param iconRect The icon bounds.
|
2005 |
|
|
* @param textRect The text bounds.
|
2006 |
|
|
* @param isSelected Whether this tab is selected.
|
2007 |
|
|
*/
|
2008 |
|
|
protected void paintFocusIndicator(Graphics g, int tabPlacement,
|
2009 |
|
|
Rectangle[] rects, int tabIndex,
|
2010 |
|
|
Rectangle iconRect, Rectangle textRect,
|
2011 |
|
|
boolean isSelected)
|
2012 |
|
|
{
|
2013 |
|
|
Color saved = g.getColor();
|
2014 |
|
|
calcRect = iconRect.union(textRect);
|
2015 |
|
|
|
2016 |
|
|
g.setColor(focus);
|
2017 |
|
|
|
2018 |
|
|
g.drawRect(calcRect.x, calcRect.y, calcRect.width, calcRect.height);
|
2019 |
|
|
|
2020 |
|
|
g.setColor(saved);
|
2021 |
|
|
}
|
2022 |
|
|
|
2023 |
|
|
/**
|
2024 |
|
|
* This method paints the border for an individual tab.
|
2025 |
|
|
*
|
2026 |
|
|
* @param g The Graphics object to paint with.
|
2027 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2028 |
|
|
* @param tabIndex The tab index.
|
2029 |
|
|
* @param x The x position of the tab.
|
2030 |
|
|
* @param y The y position of the tab.
|
2031 |
|
|
* @param w The width of the tab.
|
2032 |
|
|
* @param h The height of the tab.
|
2033 |
|
|
* @param isSelected Whether the tab is selected.
|
2034 |
|
|
*/
|
2035 |
|
|
protected void paintTabBorder(Graphics g, int tabPlacement, int tabIndex,
|
2036 |
|
|
int x, int y, int w, int h, boolean isSelected)
|
2037 |
|
|
{
|
2038 |
|
|
Color saved = g.getColor();
|
2039 |
|
|
|
2040 |
|
|
if (! isSelected || tabPlacement != SwingConstants.TOP)
|
2041 |
|
|
{
|
2042 |
|
|
g.setColor(shadow);
|
2043 |
|
|
g.drawLine(x + 1, y + h - 1, x + w - 1, y + h - 1);
|
2044 |
|
|
g.setColor(darkShadow);
|
2045 |
|
|
g.drawLine(x, y + h, x + w, y + h);
|
2046 |
|
|
}
|
2047 |
|
|
|
2048 |
|
|
if (! isSelected || tabPlacement != SwingConstants.LEFT)
|
2049 |
|
|
{
|
2050 |
|
|
g.setColor(darkShadow);
|
2051 |
|
|
g.drawLine(x + w, y, x + w, y + h);
|
2052 |
|
|
g.setColor(shadow);
|
2053 |
|
|
g.drawLine(x + w - 1, y + 1, x + w - 1, y + h - 1);
|
2054 |
|
|
}
|
2055 |
|
|
|
2056 |
|
|
if (! isSelected || tabPlacement != SwingConstants.RIGHT)
|
2057 |
|
|
{
|
2058 |
|
|
g.setColor(lightHighlight);
|
2059 |
|
|
g.drawLine(x, y, x, y + h);
|
2060 |
|
|
}
|
2061 |
|
|
|
2062 |
|
|
if (! isSelected || tabPlacement != SwingConstants.BOTTOM)
|
2063 |
|
|
{
|
2064 |
|
|
g.setColor(lightHighlight);
|
2065 |
|
|
g.drawLine(x, y, x + w, y);
|
2066 |
|
|
}
|
2067 |
|
|
|
2068 |
|
|
g.setColor(saved);
|
2069 |
|
|
}
|
2070 |
|
|
|
2071 |
|
|
/**
|
2072 |
|
|
* This method paints the background for an individual tab.
|
2073 |
|
|
*
|
2074 |
|
|
* @param g The Graphics object to paint with.
|
2075 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2076 |
|
|
* @param tabIndex The tab index.
|
2077 |
|
|
* @param x The x position of the tab.
|
2078 |
|
|
* @param y The y position of the tab.
|
2079 |
|
|
* @param w The width of the tab.
|
2080 |
|
|
* @param h The height of the tab.
|
2081 |
|
|
* @param isSelected Whether the tab is selected.
|
2082 |
|
|
*/
|
2083 |
|
|
protected void paintTabBackground(Graphics g, int tabPlacement,
|
2084 |
|
|
int tabIndex, int x, int y, int w, int h,
|
2085 |
|
|
boolean isSelected)
|
2086 |
|
|
{
|
2087 |
|
|
Color saved = g.getColor();
|
2088 |
|
|
if (isSelected)
|
2089 |
|
|
g.setColor(Color.LIGHT_GRAY);
|
2090 |
|
|
else
|
2091 |
|
|
{
|
2092 |
|
|
Color bg = tabPane.getBackgroundAt(tabIndex);
|
2093 |
|
|
if (bg == null)
|
2094 |
|
|
bg = Color.GRAY;
|
2095 |
|
|
g.setColor(bg);
|
2096 |
|
|
}
|
2097 |
|
|
|
2098 |
|
|
g.fillRect(x, y, w, h);
|
2099 |
|
|
|
2100 |
|
|
g.setColor(saved);
|
2101 |
|
|
}
|
2102 |
|
|
|
2103 |
|
|
/**
|
2104 |
|
|
* This method paints the border around the content area.
|
2105 |
|
|
*
|
2106 |
|
|
* @param g The Graphics object to paint with.
|
2107 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2108 |
|
|
* @param selectedIndex The index of the selected tab.
|
2109 |
|
|
*/
|
2110 |
|
|
protected void paintContentBorder(Graphics g, int tabPlacement,
|
2111 |
|
|
int selectedIndex)
|
2112 |
|
|
{
|
2113 |
|
|
Insets insets = getContentBorderInsets(tabPlacement);
|
2114 |
|
|
int x = contentRect.x;
|
2115 |
|
|
int y = contentRect.y;
|
2116 |
|
|
int w = contentRect.width;
|
2117 |
|
|
int h = contentRect.height;
|
2118 |
|
|
paintContentBorderTopEdge(g, tabPlacement, selectedIndex, x, y, w, h);
|
2119 |
|
|
paintContentBorderLeftEdge(g, tabPlacement, selectedIndex, x, y, w, h);
|
2120 |
|
|
paintContentBorderBottomEdge(g, tabPlacement, selectedIndex, x, y, w, h);
|
2121 |
|
|
paintContentBorderRightEdge(g, tabPlacement, selectedIndex, x, y, w, h);
|
2122 |
|
|
}
|
2123 |
|
|
|
2124 |
|
|
/**
|
2125 |
|
|
* This method paints the top edge of the content border.
|
2126 |
|
|
*
|
2127 |
|
|
* @param g The Graphics object to paint with.
|
2128 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2129 |
|
|
* @param selectedIndex The selected tab index.
|
2130 |
|
|
* @param x The x coordinate for the content area.
|
2131 |
|
|
* @param y The y coordinate for the content area.
|
2132 |
|
|
* @param w The width of the content area.
|
2133 |
|
|
* @param h The height of the content area.
|
2134 |
|
|
*/
|
2135 |
|
|
protected void paintContentBorderTopEdge(Graphics g, int tabPlacement,
|
2136 |
|
|
int selectedIndex, int x, int y,
|
2137 |
|
|
int w, int h)
|
2138 |
|
|
{
|
2139 |
|
|
Color saved = g.getColor();
|
2140 |
|
|
g.setColor(lightHighlight);
|
2141 |
|
|
|
2142 |
|
|
int startgap = rects[selectedIndex].x;
|
2143 |
|
|
int endgap = rects[selectedIndex].x + rects[selectedIndex].width;
|
2144 |
|
|
|
2145 |
|
|
int diff = 0;
|
2146 |
|
|
|
2147 |
|
|
if (tabPlacement == SwingConstants.TOP)
|
2148 |
|
|
{
|
2149 |
|
|
if (tabPane.getTabLayoutPolicy() == JTabbedPane.SCROLL_TAB_LAYOUT)
|
2150 |
|
|
{
|
2151 |
|
|
Point p = findPointForIndex(currentScrollLocation);
|
2152 |
|
|
diff = p.x;
|
2153 |
|
|
}
|
2154 |
|
|
|
2155 |
|
|
g.drawLine(x, y, startgap - diff, y);
|
2156 |
|
|
g.drawLine(endgap - diff, y, x + w, y);
|
2157 |
|
|
}
|
2158 |
|
|
else
|
2159 |
|
|
g.drawLine(x, y, x + w, y);
|
2160 |
|
|
|
2161 |
|
|
g.setColor(saved);
|
2162 |
|
|
}
|
2163 |
|
|
|
2164 |
|
|
/**
|
2165 |
|
|
* This method paints the left edge of the content border.
|
2166 |
|
|
*
|
2167 |
|
|
* @param g The Graphics object to paint with.
|
2168 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2169 |
|
|
* @param selectedIndex The selected tab index.
|
2170 |
|
|
* @param x The x coordinate for the content area.
|
2171 |
|
|
* @param y The y coordinate for the content area.
|
2172 |
|
|
* @param w The width of the content area.
|
2173 |
|
|
* @param h The height of the content area.
|
2174 |
|
|
*/
|
2175 |
|
|
protected void paintContentBorderLeftEdge(Graphics g, int tabPlacement,
|
2176 |
|
|
int selectedIndex, int x, int y,
|
2177 |
|
|
int w, int h)
|
2178 |
|
|
{
|
2179 |
|
|
Color saved = g.getColor();
|
2180 |
|
|
g.setColor(lightHighlight);
|
2181 |
|
|
|
2182 |
|
|
int startgap = rects[selectedIndex].y;
|
2183 |
|
|
int endgap = rects[selectedIndex].y + rects[selectedIndex].height;
|
2184 |
|
|
|
2185 |
|
|
int diff = 0;
|
2186 |
|
|
|
2187 |
|
|
if (tabPlacement == SwingConstants.LEFT)
|
2188 |
|
|
{
|
2189 |
|
|
if (tabPane.getTabLayoutPolicy() == JTabbedPane.SCROLL_TAB_LAYOUT)
|
2190 |
|
|
{
|
2191 |
|
|
Point p = findPointForIndex(currentScrollLocation);
|
2192 |
|
|
diff = p.y;
|
2193 |
|
|
}
|
2194 |
|
|
|
2195 |
|
|
g.drawLine(x, y, x, startgap - diff);
|
2196 |
|
|
g.drawLine(x, endgap - diff, x, y + h);
|
2197 |
|
|
}
|
2198 |
|
|
else
|
2199 |
|
|
g.drawLine(x, y, x, y + h);
|
2200 |
|
|
|
2201 |
|
|
g.setColor(saved);
|
2202 |
|
|
}
|
2203 |
|
|
|
2204 |
|
|
/**
|
2205 |
|
|
* This method paints the bottom edge of the content border.
|
2206 |
|
|
*
|
2207 |
|
|
* @param g The Graphics object to paint with.
|
2208 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2209 |
|
|
* @param selectedIndex The selected tab index.
|
2210 |
|
|
* @param x The x coordinate for the content area.
|
2211 |
|
|
* @param y The y coordinate for the content area.
|
2212 |
|
|
* @param w The width of the content area.
|
2213 |
|
|
* @param h The height of the content area.
|
2214 |
|
|
*/
|
2215 |
|
|
protected void paintContentBorderBottomEdge(Graphics g, int tabPlacement,
|
2216 |
|
|
int selectedIndex, int x, int y,
|
2217 |
|
|
int w, int h)
|
2218 |
|
|
{
|
2219 |
|
|
Color saved = g.getColor();
|
2220 |
|
|
|
2221 |
|
|
int startgap = rects[selectedIndex].x;
|
2222 |
|
|
int endgap = rects[selectedIndex].x + rects[selectedIndex].width;
|
2223 |
|
|
|
2224 |
|
|
int diff = 0;
|
2225 |
|
|
|
2226 |
|
|
if (tabPlacement == SwingConstants.BOTTOM)
|
2227 |
|
|
{
|
2228 |
|
|
if (tabPane.getTabLayoutPolicy() == JTabbedPane.SCROLL_TAB_LAYOUT)
|
2229 |
|
|
{
|
2230 |
|
|
Point p = findPointForIndex(currentScrollLocation);
|
2231 |
|
|
diff = p.x;
|
2232 |
|
|
}
|
2233 |
|
|
|
2234 |
|
|
g.setColor(shadow);
|
2235 |
|
|
g.drawLine(x + 1, y + h - 1, startgap - diff, y + h - 1);
|
2236 |
|
|
g.drawLine(endgap - diff, y + h - 1, x + w - 1, y + h - 1);
|
2237 |
|
|
|
2238 |
|
|
g.setColor(darkShadow);
|
2239 |
|
|
g.drawLine(x, y + h, startgap - diff, y + h);
|
2240 |
|
|
g.drawLine(endgap - diff, y + h, x + w, y + h);
|
2241 |
|
|
}
|
2242 |
|
|
else
|
2243 |
|
|
{
|
2244 |
|
|
g.setColor(shadow);
|
2245 |
|
|
g.drawLine(x + 1, y + h - 1, x + w - 1, y + h - 1);
|
2246 |
|
|
g.setColor(darkShadow);
|
2247 |
|
|
g.drawLine(x, y + h, x + w, y + h);
|
2248 |
|
|
}
|
2249 |
|
|
|
2250 |
|
|
g.setColor(saved);
|
2251 |
|
|
}
|
2252 |
|
|
|
2253 |
|
|
/**
|
2254 |
|
|
* This method paints the right edge of the content border.
|
2255 |
|
|
*
|
2256 |
|
|
* @param g The Graphics object to paint with.
|
2257 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2258 |
|
|
* @param selectedIndex The selected tab index.
|
2259 |
|
|
* @param x The x coordinate for the content area.
|
2260 |
|
|
* @param y The y coordinate for the content area.
|
2261 |
|
|
* @param w The width of the content area.
|
2262 |
|
|
* @param h The height of the content area.
|
2263 |
|
|
*/
|
2264 |
|
|
protected void paintContentBorderRightEdge(Graphics g, int tabPlacement,
|
2265 |
|
|
int selectedIndex, int x, int y,
|
2266 |
|
|
int w, int h)
|
2267 |
|
|
{
|
2268 |
|
|
Color saved = g.getColor();
|
2269 |
|
|
int startgap = rects[selectedIndex].y;
|
2270 |
|
|
int endgap = rects[selectedIndex].y + rects[selectedIndex].height;
|
2271 |
|
|
|
2272 |
|
|
int diff = 0;
|
2273 |
|
|
|
2274 |
|
|
if (tabPlacement == SwingConstants.RIGHT)
|
2275 |
|
|
{
|
2276 |
|
|
if (tabPane.getTabLayoutPolicy() == JTabbedPane.SCROLL_TAB_LAYOUT)
|
2277 |
|
|
{
|
2278 |
|
|
Point p = findPointForIndex(currentScrollLocation);
|
2279 |
|
|
diff = p.y;
|
2280 |
|
|
}
|
2281 |
|
|
|
2282 |
|
|
g.setColor(shadow);
|
2283 |
|
|
g.drawLine(x + w - 1, y + 1, x + w - 1, startgap - diff);
|
2284 |
|
|
g.drawLine(x + w - 1, endgap - diff, x + w - 1, y + h - 1);
|
2285 |
|
|
|
2286 |
|
|
g.setColor(darkShadow);
|
2287 |
|
|
g.drawLine(x + w, y, x + w, startgap - diff);
|
2288 |
|
|
g.drawLine(x + w, endgap - diff, x + w, y + h);
|
2289 |
|
|
}
|
2290 |
|
|
else
|
2291 |
|
|
{
|
2292 |
|
|
g.setColor(shadow);
|
2293 |
|
|
g.drawLine(x + w - 1, y + 1, x + w - 1, y + h - 1);
|
2294 |
|
|
g.setColor(darkShadow);
|
2295 |
|
|
g.drawLine(x + w, y, x + w, y + h);
|
2296 |
|
|
}
|
2297 |
|
|
|
2298 |
|
|
g.setColor(saved);
|
2299 |
|
|
}
|
2300 |
|
|
|
2301 |
|
|
/**
|
2302 |
|
|
* This method returns the tab bounds for the given index.
|
2303 |
|
|
*
|
2304 |
|
|
* @param pane The JTabbedPane.
|
2305 |
|
|
* @param i The index to look for.
|
2306 |
|
|
*
|
2307 |
|
|
* @return The bounds of the tab with the given index.
|
2308 |
|
|
*/
|
2309 |
|
|
public Rectangle getTabBounds(JTabbedPane pane, int i)
|
2310 |
|
|
{
|
2311 |
|
|
return rects[i];
|
2312 |
|
|
}
|
2313 |
|
|
|
2314 |
|
|
/**
|
2315 |
|
|
* This method returns the number of runs.
|
2316 |
|
|
*
|
2317 |
|
|
* @param pane The JTabbedPane.
|
2318 |
|
|
*
|
2319 |
|
|
* @return The number of runs.
|
2320 |
|
|
*/
|
2321 |
|
|
public int getTabRunCount(JTabbedPane pane)
|
2322 |
|
|
{
|
2323 |
|
|
return runCount;
|
2324 |
|
|
}
|
2325 |
|
|
|
2326 |
|
|
/**
|
2327 |
|
|
* This method returns the tab index given a coordinate.
|
2328 |
|
|
*
|
2329 |
|
|
* @param pane The JTabbedPane.
|
2330 |
|
|
* @param x The x coordinate.
|
2331 |
|
|
* @param y The y coordinate.
|
2332 |
|
|
*
|
2333 |
|
|
* @return The tab index that the coordinate lands in.
|
2334 |
|
|
*/
|
2335 |
|
|
public int tabForCoordinate(JTabbedPane pane, int x, int y)
|
2336 |
|
|
{
|
2337 |
|
|
Point p = new Point(x, y);
|
2338 |
|
|
int tabCount = tabPane.getTabCount();
|
2339 |
|
|
int currRun = 1;
|
2340 |
|
|
for (int i = 0; i < runCount; i++)
|
2341 |
|
|
{
|
2342 |
|
|
int first = lastTabInRun(tabCount, getPreviousTabRun(currRun)) + 1;
|
2343 |
|
|
if (first == tabCount)
|
2344 |
|
|
first = 0;
|
2345 |
|
|
int last = lastTabInRun(tabCount, currRun);
|
2346 |
|
|
for (int j = first; j <= last; j++)
|
2347 |
|
|
{
|
2348 |
|
|
if (getTabBounds(pane, j).contains(p))
|
2349 |
|
|
return j;
|
2350 |
|
|
}
|
2351 |
|
|
currRun = getNextTabRun(currRun);
|
2352 |
|
|
}
|
2353 |
|
|
return -1;
|
2354 |
|
|
}
|
2355 |
|
|
|
2356 |
|
|
/**
|
2357 |
|
|
* This method returns the tab bounds in the given rectangle.
|
2358 |
|
|
*
|
2359 |
|
|
* @param tabIndex The index to get bounds for.
|
2360 |
|
|
* @param dest The rectangle to store bounds in.
|
2361 |
|
|
*
|
2362 |
|
|
* @return The rectangle passed in.
|
2363 |
|
|
*/
|
2364 |
|
|
protected Rectangle getTabBounds(int tabIndex, Rectangle dest)
|
2365 |
|
|
{
|
2366 |
|
|
dest.setBounds(getTabBounds(tabPane, tabIndex));
|
2367 |
|
|
return dest;
|
2368 |
|
|
}
|
2369 |
|
|
|
2370 |
|
|
/**
|
2371 |
|
|
* This method returns the component that is shown in the content area.
|
2372 |
|
|
*
|
2373 |
|
|
* @return The component that is shown in the content area.
|
2374 |
|
|
*/
|
2375 |
|
|
protected Component getVisibleComponent()
|
2376 |
|
|
{
|
2377 |
|
|
return tabPane.getComponentAt(tabPane.getSelectedIndex());
|
2378 |
|
|
}
|
2379 |
|
|
|
2380 |
|
|
/**
|
2381 |
|
|
* This method sets the visible component.
|
2382 |
|
|
*
|
2383 |
|
|
* @param component The component to be set visible.
|
2384 |
|
|
*/
|
2385 |
|
|
protected void setVisibleComponent(Component component)
|
2386 |
|
|
{
|
2387 |
|
|
component.setVisible(true);
|
2388 |
|
|
tabPane.setSelectedComponent(component);
|
2389 |
|
|
}
|
2390 |
|
|
|
2391 |
|
|
/**
|
2392 |
|
|
* This method assures that enough rectangles are created given the
|
2393 |
|
|
* tabCount. The old array is copied to the new one.
|
2394 |
|
|
*
|
2395 |
|
|
* @param tabCount The number of tabs.
|
2396 |
|
|
*/
|
2397 |
|
|
protected void assureRectsCreated(int tabCount)
|
2398 |
|
|
{
|
2399 |
|
|
if (rects == null)
|
2400 |
|
|
rects = new Rectangle[tabCount];
|
2401 |
|
|
if (tabCount == rects.length)
|
2402 |
|
|
return;
|
2403 |
|
|
else
|
2404 |
|
|
{
|
2405 |
|
|
int numToCopy = Math.min(tabCount, rects.length);
|
2406 |
|
|
Rectangle[] tmp = new Rectangle[tabCount];
|
2407 |
|
|
System.arraycopy(rects, 0, tmp, 0, numToCopy);
|
2408 |
|
|
rects = tmp;
|
2409 |
|
|
}
|
2410 |
|
|
}
|
2411 |
|
|
|
2412 |
|
|
/**
|
2413 |
|
|
* This method expands the tabRuns array to give it more room. The old array
|
2414 |
|
|
* is copied to the new one.
|
2415 |
|
|
*/
|
2416 |
|
|
protected void expandTabRunsArray()
|
2417 |
|
|
{
|
2418 |
|
|
// This method adds another 10 index positions to the tabRuns array.
|
2419 |
|
|
if (tabRuns == null)
|
2420 |
|
|
tabRuns = new int[10];
|
2421 |
|
|
else
|
2422 |
|
|
{
|
2423 |
|
|
int[] newRuns = new int[tabRuns.length + 10];
|
2424 |
|
|
System.arraycopy(tabRuns, 0, newRuns, 0, tabRuns.length);
|
2425 |
|
|
tabRuns = newRuns;
|
2426 |
|
|
}
|
2427 |
|
|
}
|
2428 |
|
|
|
2429 |
|
|
/**
|
2430 |
|
|
* This method returns which run a particular tab belongs to.
|
2431 |
|
|
*
|
2432 |
|
|
* @param tabCount The number of tabs.
|
2433 |
|
|
* @param tabIndex The tab to find.
|
2434 |
|
|
*
|
2435 |
|
|
* @return The tabRuns index that it belongs to.
|
2436 |
|
|
*/
|
2437 |
|
|
protected int getRunForTab(int tabCount, int tabIndex)
|
2438 |
|
|
{
|
2439 |
|
|
if (runCount == 1 && tabIndex < tabCount && tabIndex >= 0)
|
2440 |
|
|
return 1;
|
2441 |
|
|
for (int i = 0; i < runCount; i++)
|
2442 |
|
|
{
|
2443 |
|
|
int first = lastTabInRun(tabCount, getPreviousTabRun(i)) + 1;
|
2444 |
|
|
if (first == tabCount)
|
2445 |
|
|
first = 0;
|
2446 |
|
|
int last = lastTabInRun(tabCount, i);
|
2447 |
|
|
if (last >= tabIndex && first <= tabIndex)
|
2448 |
|
|
return i;
|
2449 |
|
|
}
|
2450 |
|
|
return -1;
|
2451 |
|
|
}
|
2452 |
|
|
|
2453 |
|
|
/**
|
2454 |
|
|
* This method returns the index of the last tab in a run.
|
2455 |
|
|
*
|
2456 |
|
|
* @param tabCount The number of tabs.
|
2457 |
|
|
* @param run The run to check.
|
2458 |
|
|
*
|
2459 |
|
|
* @return The last tab in the given run.
|
2460 |
|
|
*/
|
2461 |
|
|
protected int lastTabInRun(int tabCount, int run)
|
2462 |
|
|
{
|
2463 |
|
|
if (tabRuns[run] == 0)
|
2464 |
|
|
return tabCount - 1;
|
2465 |
|
|
else
|
2466 |
|
|
return tabRuns[run] - 1;
|
2467 |
|
|
}
|
2468 |
|
|
|
2469 |
|
|
/**
|
2470 |
|
|
* This method returns the tab run overlay.
|
2471 |
|
|
*
|
2472 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2473 |
|
|
*
|
2474 |
|
|
* @return The tab run overlay.
|
2475 |
|
|
*/
|
2476 |
|
|
protected int getTabRunOverlay(int tabPlacement)
|
2477 |
|
|
{
|
2478 |
|
|
return tabRunOverlay;
|
2479 |
|
|
}
|
2480 |
|
|
|
2481 |
|
|
/**
|
2482 |
|
|
* This method returns the tab run indent. It is used in WRAP_TAB_LAYOUT and
|
2483 |
|
|
* makes each tab run start indented by a certain amount.
|
2484 |
|
|
*
|
2485 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2486 |
|
|
* @param run The run to get indent for.
|
2487 |
|
|
*
|
2488 |
|
|
* @return The amount a run should be indented.
|
2489 |
|
|
*/
|
2490 |
|
|
protected int getTabRunIndent(int tabPlacement, int run)
|
2491 |
|
|
{
|
2492 |
|
|
return 0;
|
2493 |
|
|
}
|
2494 |
|
|
|
2495 |
|
|
/**
|
2496 |
|
|
* This method returns whether a tab run should be padded.
|
2497 |
|
|
*
|
2498 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2499 |
|
|
* @param run The run to check.
|
2500 |
|
|
*
|
2501 |
|
|
* @return Whether the given run should be padded.
|
2502 |
|
|
*/
|
2503 |
|
|
protected boolean shouldPadTabRun(int tabPlacement, int run)
|
2504 |
|
|
{
|
2505 |
|
|
return true;
|
2506 |
|
|
}
|
2507 |
|
|
|
2508 |
|
|
/**
|
2509 |
|
|
* This method returns whether the tab runs should be rotated.
|
2510 |
|
|
*
|
2511 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2512 |
|
|
*
|
2513 |
|
|
* @return Whether runs should be rotated.
|
2514 |
|
|
*/
|
2515 |
|
|
protected boolean shouldRotateTabRuns(int tabPlacement)
|
2516 |
|
|
{
|
2517 |
|
|
return true;
|
2518 |
|
|
}
|
2519 |
|
|
|
2520 |
|
|
/**
|
2521 |
|
|
* This method returns an icon for the tab. If the tab is disabled, it
|
2522 |
|
|
* should return the disabledIcon. If it is enabled, then it should return
|
2523 |
|
|
* the default icon.
|
2524 |
|
|
*
|
2525 |
|
|
* @param tabIndex The tab index to get an icon for.
|
2526 |
|
|
*
|
2527 |
|
|
* @return The icon for the tab index.
|
2528 |
|
|
*/
|
2529 |
|
|
protected Icon getIconForTab(int tabIndex)
|
2530 |
|
|
{
|
2531 |
|
|
if (tabPane.isEnabledAt(tabIndex))
|
2532 |
|
|
return tabPane.getIconAt(tabIndex);
|
2533 |
|
|
else
|
2534 |
|
|
return tabPane.getDisabledIconAt(tabIndex);
|
2535 |
|
|
}
|
2536 |
|
|
|
2537 |
|
|
/**
|
2538 |
|
|
* This method returns a view that can paint the text for the label.
|
2539 |
|
|
*
|
2540 |
|
|
* @param tabIndex The tab index to get a view for.
|
2541 |
|
|
*
|
2542 |
|
|
* @return The view for the tab index.
|
2543 |
|
|
*/
|
2544 |
|
|
protected View getTextViewForTab(int tabIndex)
|
2545 |
|
|
{
|
2546 |
|
|
return null;
|
2547 |
|
|
}
|
2548 |
|
|
|
2549 |
|
|
/**
|
2550 |
|
|
* This method returns the tab height, including insets, for the given index
|
2551 |
|
|
* and fontheight.
|
2552 |
|
|
*
|
2553 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2554 |
|
|
* @param tabIndex The index of the tab to calculate.
|
2555 |
|
|
* @param fontHeight The font height.
|
2556 |
|
|
*
|
2557 |
|
|
* @return This tab's height.
|
2558 |
|
|
*/
|
2559 |
|
|
protected int calculateTabHeight(int tabPlacement, int tabIndex,
|
2560 |
|
|
int fontHeight)
|
2561 |
|
|
{
|
2562 |
|
|
Icon icon = getIconForTab(tabIndex);
|
2563 |
|
|
Insets insets = getTabInsets(tabPlacement, tabIndex);
|
2564 |
|
|
|
2565 |
|
|
int height = 0;
|
2566 |
|
|
if (icon != null)
|
2567 |
|
|
{
|
2568 |
|
|
Rectangle vr = new Rectangle();
|
2569 |
|
|
Rectangle ir = new Rectangle();
|
2570 |
|
|
Rectangle tr = new Rectangle();
|
2571 |
|
|
layoutLabel(tabPlacement, getFontMetrics(), tabIndex,
|
2572 |
|
|
tabPane.getTitleAt(tabIndex), icon, vr, ir, tr,
|
2573 |
|
|
tabIndex == tabPane.getSelectedIndex());
|
2574 |
|
|
height = tr.union(ir).height;
|
2575 |
|
|
}
|
2576 |
|
|
else
|
2577 |
|
|
height = fontHeight;
|
2578 |
|
|
|
2579 |
|
|
height += insets.top + insets.bottom;
|
2580 |
|
|
return height;
|
2581 |
|
|
}
|
2582 |
|
|
|
2583 |
|
|
/**
|
2584 |
|
|
* This method returns the max tab height.
|
2585 |
|
|
*
|
2586 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2587 |
|
|
*
|
2588 |
|
|
* @return The maximum tab height.
|
2589 |
|
|
*/
|
2590 |
|
|
protected int calculateMaxTabHeight(int tabPlacement)
|
2591 |
|
|
{
|
2592 |
|
|
maxTabHeight = 0;
|
2593 |
|
|
|
2594 |
|
|
FontMetrics fm = getFontMetrics();
|
2595 |
|
|
int fontHeight = fm.getHeight();
|
2596 |
|
|
|
2597 |
|
|
for (int i = 0; i < tabPane.getTabCount(); i++)
|
2598 |
|
|
maxTabHeight = Math.max(calculateTabHeight(tabPlacement, i, fontHeight),
|
2599 |
|
|
maxTabHeight);
|
2600 |
|
|
|
2601 |
|
|
return maxTabHeight;
|
2602 |
|
|
}
|
2603 |
|
|
|
2604 |
|
|
/**
|
2605 |
|
|
* This method calculates the tab width, including insets, for the given tab
|
2606 |
|
|
* index and font metrics.
|
2607 |
|
|
*
|
2608 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2609 |
|
|
* @param tabIndex The tab index to calculate for.
|
2610 |
|
|
* @param metrics The font's metrics.
|
2611 |
|
|
*
|
2612 |
|
|
* @return The tab width for the given index.
|
2613 |
|
|
*/
|
2614 |
|
|
protected int calculateTabWidth(int tabPlacement, int tabIndex,
|
2615 |
|
|
FontMetrics metrics)
|
2616 |
|
|
{
|
2617 |
|
|
Icon icon = getIconForTab(tabIndex);
|
2618 |
|
|
Insets insets = getTabInsets(tabPlacement, tabIndex);
|
2619 |
|
|
|
2620 |
|
|
int width = 0;
|
2621 |
|
|
if (icon != null)
|
2622 |
|
|
{
|
2623 |
|
|
Rectangle vr = new Rectangle();
|
2624 |
|
|
Rectangle ir = new Rectangle();
|
2625 |
|
|
Rectangle tr = new Rectangle();
|
2626 |
|
|
layoutLabel(tabPlacement, getFontMetrics(), tabIndex,
|
2627 |
|
|
tabPane.getTitleAt(tabIndex), icon, vr, ir, tr,
|
2628 |
|
|
tabIndex == tabPane.getSelectedIndex());
|
2629 |
|
|
width = tr.union(ir).width;
|
2630 |
|
|
}
|
2631 |
|
|
else
|
2632 |
|
|
width = metrics.stringWidth(tabPane.getTitleAt(tabIndex));
|
2633 |
|
|
|
2634 |
|
|
width += insets.left + insets.right;
|
2635 |
|
|
return width;
|
2636 |
|
|
}
|
2637 |
|
|
|
2638 |
|
|
/**
|
2639 |
|
|
* This method calculates the max tab width.
|
2640 |
|
|
*
|
2641 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2642 |
|
|
*
|
2643 |
|
|
* @return The maximum tab width.
|
2644 |
|
|
*/
|
2645 |
|
|
protected int calculateMaxTabWidth(int tabPlacement)
|
2646 |
|
|
{
|
2647 |
|
|
maxTabWidth = 0;
|
2648 |
|
|
|
2649 |
|
|
FontMetrics fm = getFontMetrics();
|
2650 |
|
|
|
2651 |
|
|
for (int i = 0; i < tabPane.getTabCount(); i++)
|
2652 |
|
|
maxTabWidth = Math.max(calculateTabWidth(tabPlacement, i, fm),
|
2653 |
|
|
maxTabWidth);
|
2654 |
|
|
|
2655 |
|
|
return maxTabWidth;
|
2656 |
|
|
}
|
2657 |
|
|
|
2658 |
|
|
/**
|
2659 |
|
|
* This method calculates the tab area height, including insets, for the
|
2660 |
|
|
* given amount of runs and tab height.
|
2661 |
|
|
*
|
2662 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2663 |
|
|
* @param horizRunCount The number of runs.
|
2664 |
|
|
* @param maxTabHeight The max tab height.
|
2665 |
|
|
*
|
2666 |
|
|
* @return The tab area height.
|
2667 |
|
|
*/
|
2668 |
|
|
protected int calculateTabAreaHeight(int tabPlacement, int horizRunCount,
|
2669 |
|
|
int maxTabHeight)
|
2670 |
|
|
{
|
2671 |
|
|
Insets insets = getTabAreaInsets(tabPlacement);
|
2672 |
|
|
int tabAreaHeight = horizRunCount * maxTabHeight
|
2673 |
|
|
- (horizRunCount - 1) * tabRunOverlay;
|
2674 |
|
|
|
2675 |
|
|
tabAreaHeight += insets.top + insets.bottom;
|
2676 |
|
|
|
2677 |
|
|
return tabAreaHeight;
|
2678 |
|
|
}
|
2679 |
|
|
|
2680 |
|
|
/**
|
2681 |
|
|
* This method calculates the tab area width, including insets, for the
|
2682 |
|
|
* given amount of runs and tab width.
|
2683 |
|
|
*
|
2684 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2685 |
|
|
* @param vertRunCount The number of runs.
|
2686 |
|
|
* @param maxTabWidth The max tab width.
|
2687 |
|
|
*
|
2688 |
|
|
* @return The tab area width.
|
2689 |
|
|
*/
|
2690 |
|
|
protected int calculateTabAreaWidth(int tabPlacement, int vertRunCount,
|
2691 |
|
|
int maxTabWidth)
|
2692 |
|
|
{
|
2693 |
|
|
Insets insets = getTabAreaInsets(tabPlacement);
|
2694 |
|
|
int tabAreaWidth = vertRunCount * maxTabWidth
|
2695 |
|
|
- (vertRunCount - 1) * tabRunOverlay;
|
2696 |
|
|
|
2697 |
|
|
tabAreaWidth += insets.left + insets.right;
|
2698 |
|
|
|
2699 |
|
|
return tabAreaWidth;
|
2700 |
|
|
}
|
2701 |
|
|
|
2702 |
|
|
/**
|
2703 |
|
|
* This method returns the tab insets appropriately rotated.
|
2704 |
|
|
*
|
2705 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2706 |
|
|
* @param tabIndex The tab index.
|
2707 |
|
|
*
|
2708 |
|
|
* @return The tab insets for the given index.
|
2709 |
|
|
*/
|
2710 |
|
|
protected Insets getTabInsets(int tabPlacement, int tabIndex)
|
2711 |
|
|
{
|
2712 |
|
|
Insets target = new Insets(0, 0, 0, 0);
|
2713 |
|
|
rotateInsets(tabInsets, target, tabPlacement);
|
2714 |
|
|
return target;
|
2715 |
|
|
}
|
2716 |
|
|
|
2717 |
|
|
/**
|
2718 |
|
|
* This method returns the selected tab pad insets appropriately rotated.
|
2719 |
|
|
*
|
2720 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2721 |
|
|
*
|
2722 |
|
|
* @return The selected tab pad insets.
|
2723 |
|
|
*/
|
2724 |
|
|
protected Insets getSelectedTabPadInsets(int tabPlacement)
|
2725 |
|
|
{
|
2726 |
|
|
Insets target = new Insets(0, 0, 0, 0);
|
2727 |
|
|
rotateInsets(selectedTabPadInsets, target, tabPlacement);
|
2728 |
|
|
return target;
|
2729 |
|
|
}
|
2730 |
|
|
|
2731 |
|
|
/**
|
2732 |
|
|
* This method returns the tab area insets appropriately rotated.
|
2733 |
|
|
*
|
2734 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2735 |
|
|
*
|
2736 |
|
|
* @return The tab area insets.
|
2737 |
|
|
*/
|
2738 |
|
|
protected Insets getTabAreaInsets(int tabPlacement)
|
2739 |
|
|
{
|
2740 |
|
|
Insets target = new Insets(0, 0, 0, 0);
|
2741 |
|
|
rotateInsets(tabAreaInsets, target, tabPlacement);
|
2742 |
|
|
return target;
|
2743 |
|
|
}
|
2744 |
|
|
|
2745 |
|
|
/**
|
2746 |
|
|
* This method returns the content border insets appropriately rotated.
|
2747 |
|
|
*
|
2748 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2749 |
|
|
*
|
2750 |
|
|
* @return The content border insets.
|
2751 |
|
|
*/
|
2752 |
|
|
protected Insets getContentBorderInsets(int tabPlacement)
|
2753 |
|
|
{
|
2754 |
|
|
Insets target = new Insets(0, 0, 0, 0);
|
2755 |
|
|
rotateInsets(contentBorderInsets, target, tabPlacement);
|
2756 |
|
|
return target;
|
2757 |
|
|
}
|
2758 |
|
|
|
2759 |
|
|
/**
|
2760 |
|
|
* This method returns the fontmetrics for the font of the JTabbedPane.
|
2761 |
|
|
*
|
2762 |
|
|
* @return The font metrics for the JTabbedPane.
|
2763 |
|
|
*/
|
2764 |
|
|
protected FontMetrics getFontMetrics()
|
2765 |
|
|
{
|
2766 |
|
|
FontMetrics fm = tabPane.getToolkit().getFontMetrics(tabPane.getFont());
|
2767 |
|
|
return fm;
|
2768 |
|
|
}
|
2769 |
|
|
|
2770 |
|
|
/**
|
2771 |
|
|
* This method navigates from the selected tab into the given direction. As
|
2772 |
|
|
* a result, a new tab will be selected (if possible).
|
2773 |
|
|
*
|
2774 |
|
|
* @param direction The direction to navigate in.
|
2775 |
|
|
*/
|
2776 |
|
|
protected void navigateSelectedTab(int direction)
|
2777 |
|
|
{
|
2778 |
|
|
int tabPlacement = tabPane.getTabPlacement();
|
2779 |
|
|
if (tabPlacement == SwingConstants.TOP
|
2780 |
|
|
|| tabPlacement == SwingConstants.BOTTOM)
|
2781 |
|
|
{
|
2782 |
|
|
if (direction == SwingConstants.WEST)
|
2783 |
|
|
selectPreviousTabInRun(tabPane.getSelectedIndex());
|
2784 |
|
|
else if (direction == SwingConstants.EAST)
|
2785 |
|
|
selectNextTabInRun(tabPane.getSelectedIndex());
|
2786 |
|
|
|
2787 |
|
|
else
|
2788 |
|
|
{
|
2789 |
|
|
int offset = getTabRunOffset(tabPlacement, tabPane.getTabCount(),
|
2790 |
|
|
tabPane.getSelectedIndex(),
|
2791 |
|
|
(tabPlacement == SwingConstants.RIGHT)
|
2792 |
|
|
? true : false);
|
2793 |
|
|
selectAdjacentRunTab(tabPlacement, tabPane.getSelectedIndex(),
|
2794 |
|
|
offset);
|
2795 |
|
|
}
|
2796 |
|
|
}
|
2797 |
|
|
if (tabPlacement == SwingConstants.LEFT
|
2798 |
|
|
|| tabPlacement == SwingConstants.RIGHT)
|
2799 |
|
|
{
|
2800 |
|
|
if (direction == SwingConstants.NORTH)
|
2801 |
|
|
selectPreviousTabInRun(tabPane.getSelectedIndex());
|
2802 |
|
|
else if (direction == SwingConstants.SOUTH)
|
2803 |
|
|
selectNextTabInRun(tabPane.getSelectedIndex());
|
2804 |
|
|
else
|
2805 |
|
|
{
|
2806 |
|
|
int offset = getTabRunOffset(tabPlacement, tabPane.getTabCount(),
|
2807 |
|
|
tabPane.getSelectedIndex(),
|
2808 |
|
|
(tabPlacement == SwingConstants.RIGHT)
|
2809 |
|
|
? true : false);
|
2810 |
|
|
selectAdjacentRunTab(tabPlacement, tabPane.getSelectedIndex(),
|
2811 |
|
|
offset);
|
2812 |
|
|
}
|
2813 |
|
|
}
|
2814 |
|
|
}
|
2815 |
|
|
|
2816 |
|
|
/**
|
2817 |
|
|
* This method selects the next tab in the run.
|
2818 |
|
|
*
|
2819 |
|
|
* @param current The current selected index.
|
2820 |
|
|
*/
|
2821 |
|
|
protected void selectNextTabInRun(int current)
|
2822 |
|
|
{
|
2823 |
|
|
tabPane.setSelectedIndex(getNextTabIndexInRun(tabPane.getTabCount(),
|
2824 |
|
|
current));
|
2825 |
|
|
}
|
2826 |
|
|
|
2827 |
|
|
/**
|
2828 |
|
|
* This method selects the previous tab in the run.
|
2829 |
|
|
*
|
2830 |
|
|
* @param current The current selected index.
|
2831 |
|
|
*/
|
2832 |
|
|
protected void selectPreviousTabInRun(int current)
|
2833 |
|
|
{
|
2834 |
|
|
tabPane.setSelectedIndex(getPreviousTabIndexInRun(tabPane.getTabCount(),
|
2835 |
|
|
current));
|
2836 |
|
|
}
|
2837 |
|
|
|
2838 |
|
|
/**
|
2839 |
|
|
* This method selects the next tab (regardless of runs).
|
2840 |
|
|
*
|
2841 |
|
|
* @param current The current selected index.
|
2842 |
|
|
*/
|
2843 |
|
|
protected void selectNextTab(int current)
|
2844 |
|
|
{
|
2845 |
|
|
tabPane.setSelectedIndex(getNextTabIndex(current));
|
2846 |
|
|
}
|
2847 |
|
|
|
2848 |
|
|
/**
|
2849 |
|
|
* This method selects the previous tab (regardless of runs).
|
2850 |
|
|
*
|
2851 |
|
|
* @param current The current selected index.
|
2852 |
|
|
*/
|
2853 |
|
|
protected void selectPreviousTab(int current)
|
2854 |
|
|
{
|
2855 |
|
|
tabPane.setSelectedIndex(getPreviousTabIndex(current));
|
2856 |
|
|
}
|
2857 |
|
|
|
2858 |
|
|
/**
|
2859 |
|
|
* This method selects the correct tab given an offset from the current tab
|
2860 |
|
|
* index. If the tab placement is TOP or BOTTOM, the offset will be in the
|
2861 |
|
|
* y direction, otherwise, it will be in the x direction. A new coordinate
|
2862 |
|
|
* will be found by adding the offset to the current location of the tab.
|
2863 |
|
|
* The tab that the new location will be selected.
|
2864 |
|
|
*
|
2865 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2866 |
|
|
* @param tabIndex The tab to start from.
|
2867 |
|
|
* @param offset The coordinate offset.
|
2868 |
|
|
*/
|
2869 |
|
|
protected void selectAdjacentRunTab(int tabPlacement, int tabIndex,
|
2870 |
|
|
int offset)
|
2871 |
|
|
{
|
2872 |
|
|
int x = rects[tabIndex].x + rects[tabIndex].width / 2;
|
2873 |
|
|
int y = rects[tabIndex].y + rects[tabIndex].height / 2;
|
2874 |
|
|
|
2875 |
|
|
switch (tabPlacement)
|
2876 |
|
|
{
|
2877 |
|
|
case SwingConstants.TOP:
|
2878 |
|
|
case SwingConstants.BOTTOM:
|
2879 |
|
|
y += offset;
|
2880 |
|
|
break;
|
2881 |
|
|
case SwingConstants.RIGHT:
|
2882 |
|
|
case SwingConstants.LEFT:
|
2883 |
|
|
x += offset;
|
2884 |
|
|
break;
|
2885 |
|
|
}
|
2886 |
|
|
|
2887 |
|
|
int index = tabForCoordinate(tabPane, x, y);
|
2888 |
|
|
if (index != -1)
|
2889 |
|
|
tabPane.setSelectedIndex(index);
|
2890 |
|
|
}
|
2891 |
|
|
|
2892 |
|
|
// This method is called when you press up/down to cycle through tab runs.
|
2893 |
|
|
// it returns the distance (between the two runs' x/y position.
|
2894 |
|
|
// where one run is the current selected run and the other run is the run in the
|
2895 |
|
|
// direction of the scroll (dictated by the forward flag)
|
2896 |
|
|
// the offset is an absolute value of the difference
|
2897 |
|
|
|
2898 |
|
|
/**
|
2899 |
|
|
* This method calculates the offset distance for use in
|
2900 |
|
|
* selectAdjacentRunTab. The offset returned will be a difference in the y
|
2901 |
|
|
* coordinate between the run in the desired direction and the current run
|
2902 |
|
|
* (for tabPlacement in TOP or BOTTOM). Use x coordinate for LEFT and
|
2903 |
|
|
* RIGHT.
|
2904 |
|
|
*
|
2905 |
|
|
* @param tabPlacement The JTabbedPane's tab placement.
|
2906 |
|
|
* @param tabCount The number of tabs.
|
2907 |
|
|
* @param tabIndex The starting index.
|
2908 |
|
|
* @param forward If forward, the run in the desired direction will be the
|
2909 |
|
|
* next run.
|
2910 |
|
|
*
|
2911 |
|
|
* @return The offset between the two runs.
|
2912 |
|
|
*/
|
2913 |
|
|
protected int getTabRunOffset(int tabPlacement, int tabCount, int tabIndex,
|
2914 |
|
|
boolean forward)
|
2915 |
|
|
{
|
2916 |
|
|
int currRun = getRunForTab(tabCount, tabIndex);
|
2917 |
|
|
int offset;
|
2918 |
|
|
int nextRun = (forward) ? getNextTabRun(currRun) : getPreviousTabRun(currRun);
|
2919 |
|
|
if (tabPlacement == SwingConstants.TOP
|
2920 |
|
|
|| tabPlacement == SwingConstants.BOTTOM)
|
2921 |
|
|
offset = rects[lastTabInRun(tabCount, nextRun)].y
|
2922 |
|
|
- rects[lastTabInRun(tabCount, currRun)].y;
|
2923 |
|
|
else
|
2924 |
|
|
offset = rects[lastTabInRun(tabCount, nextRun)].x
|
2925 |
|
|
- rects[lastTabInRun(tabCount, currRun)].x;
|
2926 |
|
|
return offset;
|
2927 |
|
|
}
|
2928 |
|
|
|
2929 |
|
|
/**
|
2930 |
|
|
* This method returns the previous tab index.
|
2931 |
|
|
*
|
2932 |
|
|
* @param base The index to start from.
|
2933 |
|
|
*
|
2934 |
|
|
* @return The previous tab index.
|
2935 |
|
|
*/
|
2936 |
|
|
protected int getPreviousTabIndex(int base)
|
2937 |
|
|
{
|
2938 |
|
|
base--;
|
2939 |
|
|
if (base < 0)
|
2940 |
|
|
return tabPane.getTabCount() - 1;
|
2941 |
|
|
return base;
|
2942 |
|
|
}
|
2943 |
|
|
|
2944 |
|
|
/**
|
2945 |
|
|
* This method returns the next tab index.
|
2946 |
|
|
*
|
2947 |
|
|
* @param base The index to start from.
|
2948 |
|
|
*
|
2949 |
|
|
* @return The next tab index.
|
2950 |
|
|
*/
|
2951 |
|
|
protected int getNextTabIndex(int base)
|
2952 |
|
|
{
|
2953 |
|
|
base++;
|
2954 |
|
|
if (base == tabPane.getTabCount())
|
2955 |
|
|
return 0;
|
2956 |
|
|
return base;
|
2957 |
|
|
}
|
2958 |
|
|
|
2959 |
|
|
/**
|
2960 |
|
|
* This method returns the next tab index in the run. If the next index is
|
2961 |
|
|
* out of this run, it will return the starting tab index for the run.
|
2962 |
|
|
*
|
2963 |
|
|
* @param tabCount The number of tabs.
|
2964 |
|
|
* @param base The index to start from.
|
2965 |
|
|
*
|
2966 |
|
|
* @return The next tab index in the run.
|
2967 |
|
|
*/
|
2968 |
|
|
protected int getNextTabIndexInRun(int tabCount, int base)
|
2969 |
|
|
{
|
2970 |
|
|
int index = getNextTabIndex(base);
|
2971 |
|
|
int run = getRunForTab(tabCount, base);
|
2972 |
|
|
if (index == lastTabInRun(tabCount, run) + 1)
|
2973 |
|
|
index = lastTabInRun(tabCount, getPreviousTabRun(run)) + 1;
|
2974 |
|
|
return getNextTabIndex(base);
|
2975 |
|
|
}
|
2976 |
|
|
|
2977 |
|
|
/**
|
2978 |
|
|
* This method returns the previous tab index in the run. If the previous
|
2979 |
|
|
* index is out of this run, it will return the last index for the run.
|
2980 |
|
|
*
|
2981 |
|
|
* @param tabCount The number of tabs.
|
2982 |
|
|
* @param base The index to start from.
|
2983 |
|
|
*
|
2984 |
|
|
* @return The previous tab index in the run.
|
2985 |
|
|
*/
|
2986 |
|
|
protected int getPreviousTabIndexInRun(int tabCount, int base)
|
2987 |
|
|
{
|
2988 |
|
|
int index = getPreviousTabIndex(base);
|
2989 |
|
|
int run = getRunForTab(tabCount, base);
|
2990 |
|
|
if (index == lastTabInRun(tabCount, getPreviousTabRun(run)))
|
2991 |
|
|
index = lastTabInRun(tabCount, run);
|
2992 |
|
|
return getPreviousTabIndex(base);
|
2993 |
|
|
}
|
2994 |
|
|
|
2995 |
|
|
/**
|
2996 |
|
|
* This method returns the index of the previous run.
|
2997 |
|
|
*
|
2998 |
|
|
* @param baseRun The run to start from.
|
2999 |
|
|
*
|
3000 |
|
|
* @return The index of the previous run.
|
3001 |
|
|
*/
|
3002 |
|
|
protected int getPreviousTabRun(int baseRun)
|
3003 |
|
|
{
|
3004 |
|
|
if (getTabRunCount(tabPane) == 1)
|
3005 |
|
|
return 1;
|
3006 |
|
|
|
3007 |
|
|
int prevRun = --baseRun;
|
3008 |
|
|
if (prevRun < 0)
|
3009 |
|
|
prevRun = getTabRunCount(tabPane) - 1;
|
3010 |
|
|
return prevRun;
|
3011 |
|
|
}
|
3012 |
|
|
|
3013 |
|
|
/**
|
3014 |
|
|
* This method returns the index of the next run.
|
3015 |
|
|
*
|
3016 |
|
|
* @param baseRun The run to start from.
|
3017 |
|
|
*
|
3018 |
|
|
* @return The index of the next run.
|
3019 |
|
|
*/
|
3020 |
|
|
protected int getNextTabRun(int baseRun)
|
3021 |
|
|
{
|
3022 |
|
|
if (getTabRunCount(tabPane) == 1)
|
3023 |
|
|
return 1;
|
3024 |
|
|
|
3025 |
|
|
int nextRun = ++baseRun;
|
3026 |
|
|
if (nextRun == getTabRunCount(tabPane))
|
3027 |
|
|
nextRun = 0;
|
3028 |
|
|
return nextRun;
|
3029 |
|
|
}
|
3030 |
|
|
|
3031 |
|
|
/**
|
3032 |
|
|
* This method rotates the insets given a direction to rotate them in.
|
3033 |
|
|
* Target placement should be one of TOP, LEFT, BOTTOM, RIGHT. The rotated
|
3034 |
|
|
* insets will be stored in targetInsets. Passing in TOP as the direction
|
3035 |
|
|
* does nothing. Passing in LEFT switches top and left, right and bottom.
|
3036 |
|
|
* Passing in BOTTOM switches top and bottom. Passing in RIGHT switches top
|
3037 |
|
|
* for left, left for bottom, bottom for right, and right for top.
|
3038 |
|
|
*
|
3039 |
|
|
* @param topInsets The reference insets.
|
3040 |
|
|
* @param targetInsets An Insets object to store the new insets.
|
3041 |
|
|
* @param targetPlacement The rotation direction.
|
3042 |
|
|
*/
|
3043 |
|
|
protected static void rotateInsets(Insets topInsets, Insets targetInsets,
|
3044 |
|
|
int targetPlacement)
|
3045 |
|
|
{
|
3046 |
|
|
// Sun's version will happily throw an NPE if params are null,
|
3047 |
|
|
// so I won't check it either.
|
3048 |
|
|
switch (targetPlacement)
|
3049 |
|
|
{
|
3050 |
|
|
case SwingConstants.TOP:
|
3051 |
|
|
targetInsets.top = topInsets.top;
|
3052 |
|
|
targetInsets.left = topInsets.left;
|
3053 |
|
|
targetInsets.right = topInsets.right;
|
3054 |
|
|
targetInsets.bottom = topInsets.bottom;
|
3055 |
|
|
break;
|
3056 |
|
|
case SwingConstants.LEFT:
|
3057 |
|
|
targetInsets.left = topInsets.top;
|
3058 |
|
|
targetInsets.top = topInsets.left;
|
3059 |
|
|
targetInsets.right = topInsets.bottom;
|
3060 |
|
|
targetInsets.bottom = topInsets.right;
|
3061 |
|
|
break;
|
3062 |
|
|
case SwingConstants.BOTTOM:
|
3063 |
|
|
targetInsets.top = topInsets.bottom;
|
3064 |
|
|
targetInsets.bottom = topInsets.top;
|
3065 |
|
|
targetInsets.left = topInsets.left;
|
3066 |
|
|
targetInsets.right = topInsets.right;
|
3067 |
|
|
break;
|
3068 |
|
|
case SwingConstants.RIGHT:
|
3069 |
|
|
targetInsets.top = topInsets.left;
|
3070 |
|
|
targetInsets.left = topInsets.bottom;
|
3071 |
|
|
targetInsets.bottom = topInsets.right;
|
3072 |
|
|
targetInsets.right = topInsets.top;
|
3073 |
|
|
break;
|
3074 |
|
|
}
|
3075 |
|
|
}
|
3076 |
|
|
}
|