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jlechner |
/* TableModel.java --
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Copyright (C) 2002, 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.table;
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import javax.swing.event.TableModelListener;
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/**
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* A <code>TableModel</code> is a two dimensional data structure that
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* can store arbitrary <code>Object</code> instances, usually for the
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* purpose of display in a {@link javax.swing.JTable} component. Individual
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* objects can be accessed by specifying the row index and column index for
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* the object. Each column in the model has a name associated with it.
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* <p>
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* The {@link DefaultTableModel} class provides one implementation of
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* this interface.
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*
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* @author Andrew Selkirk
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*/
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public interface TableModel
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{
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/**
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* Returns the number of rows in the model.
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*
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* @return The row count.
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*/
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int getRowCount();
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/**
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* Returns the number of columns in the model.
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*
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* @return The column count
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*/
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int getColumnCount();
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/**
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* Returns the name of a column in the model.
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*
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* @param columnIndex the column index.
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*
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* @return The column name.
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*/
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String getColumnName(int columnIndex);
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/**
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* Returns the <code>Class</code> for all <code>Object</code> instances
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* in the specified column.
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*
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* @param columnIndex the column index.
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*
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* @return The class.
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*/
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Class getColumnClass(int columnIndex);
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/**
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* Returns <code>true</code> if the cell is editable, and <code>false</code>
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* otherwise.
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*
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* @param rowIndex the row index.
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* @param columnIndex the column index.
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*
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* @return <code>true</code> if editable, <code>false</code> otherwise.
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*/
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boolean isCellEditable(int rowIndex, int columnIndex);
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/**
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* Returns the value (<code>Object</code>) at a particular cell in the
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* table.
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*
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* @param rowIndex the row index.
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* @param columnIndex the column index.
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*
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* @return The value at the specified cell.
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*/
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Object getValueAt(int rowIndex, int columnIndex);
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/**
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* Sets the value at a particular cell in the table.
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*
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* @param aValue the value (<code>null</code> permitted).
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* @param rowIndex the row index.
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* @param columnIndex the column index.
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*/
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void setValueAt(Object aValue, int rowIndex, int columnIndex);
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/**
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* Adds a listener to the model. The listener will receive notification
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* of updates to the model.
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*
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* @param listener the listener.
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*/
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void addTableModelListener(TableModelListener listener);
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/**
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* Removes a listener from the model.
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*
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* @param listener the listener.
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*/
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void removeTableModelListener(TableModelListener listener);
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}
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