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jeremybenn |
/* SynthStyle.java -- A set of style properties
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Copyright (C) 2006 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.synth;
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import gnu.classpath.NotImplementedException;
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import java.awt.Color;
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import java.awt.Font;
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import java.awt.Insets;
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import javax.swing.Icon;
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/**
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* A set of style properties that can be installed on a component.
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*
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* @author Roman Kennke (kennke@aicas.com)
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*
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* @since 1.5
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*/
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public abstract class SynthStyle
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{
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/**
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* Creates a new <code>SynthStyle</code> object.
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*/
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public SynthStyle()
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throws NotImplementedException
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{
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// FIXME: Implement this correctly.
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}
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public SynthGraphicsUtils getGraphicsUtils(SynthContext ctx)
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throws NotImplementedException
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{
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// FIXME: Implement this correctly.
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return null;
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}
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public Color getColor(SynthContext ctx, ColorType type)
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throws NotImplementedException
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{
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// FIXME: Implement this correctly.
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return null;
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}
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protected abstract Color getColorForState(SynthContext ctx, ColorType type);
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public Font getFont(SynthContext ctx)
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throws NotImplementedException
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{
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// FIXME: Implement this correctly.
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return null;
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}
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protected abstract Font getFontForState(SynthContext ctx);
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public Insets getInsets(SynthContext ctx, Insets result)
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throws NotImplementedException
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{
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// FIXME: Implement this correctly.
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return null;
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}
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public SynthPainter getPainter(SynthContext ctx)
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throws NotImplementedException
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{
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// FIXME: Implement this correctly.
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return null;
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}
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public boolean isOpaque(SynthContext ctx)
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throws NotImplementedException
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{
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// FIXME: Implement this correctly.
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return true;
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}
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public Object get(SynthContext ctx, Object key)
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throws NotImplementedException
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{
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// FIXME: Implement this correctly.
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return null;
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}
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public void installDefaults(SynthContext ctx)
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throws NotImplementedException
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{
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// FIXME: Implement this correctly.
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}
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public void uninstallDefaults(SynthContext ctx)
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throws NotImplementedException
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{
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// FIXME: Implement this correctly.
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}
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/**
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* A convenience method to fetch an integer property.
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* If the property's value is a {@link Number}, then the
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* integer value is returned. Otherwise, the default value
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* is returned.
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* @param ctx the context
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* @param key the key to fetch
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* @param defaultValue the default value
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* @return the integer value of the property, or the default value
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*/
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public int getInt(SynthContext ctx, Object key, int defaultValue)
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{
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Object obj = get(ctx, key);
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if (obj instanceof Number)
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return ((Number) obj).intValue();
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return defaultValue;
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}
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/**
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* A convenience method to fetch an integer property.
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* If the property's value is a {@link Boolean}, then the
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* value is returned. Otherwise, the default value
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* is returned.
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* @param ctx the context
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* @param key the key to fetch
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* @param defaultValue the default value
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* @return the boolean value of the property, or the default value
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*/
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public boolean getBoolean(SynthContext ctx, Object key,
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boolean defaultValue)
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{
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Object obj = get(ctx, key);
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if (obj instanceof Boolean)
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return ((Boolean) obj).booleanValue();
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return defaultValue;
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}
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/**
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* A convenience method to fetch an Icon-valued property.
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* If the property's value is an {@link Icon}, then the
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* value is returned. Otherwise, null is returned.
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* @param ctx the context
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* @param key the key to fetch
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* @return the icon, or null
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*/
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public Icon getIcon(SynthContext ctx, Object key)
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{
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Object obj = get(ctx, key);
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if (key instanceof Icon)
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return (Icon) obj;
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return null;
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}
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/**
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* A convenience method to fetch a String property.
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* If the property's value is a {@link String}, then the
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* value is returned. Otherwise, the default value
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* is returned.
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* @param ctx the context
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* @param key the key to fetch
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* @param defaultValue the default value
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* @return the String value of the property, or the default value
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*/
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public String getString(SynthContext ctx, Object key, String defaultValue)
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{
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Object obj = get(ctx, key);
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if (obj instanceof String)
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return (String) obj;
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return defaultValue;
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}
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}
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