8f523f3a10
* sources.am: Regenerated.
* Makefile.in: Likewise.
* scripts/makemake.tcl: Use glob -nocomplain.
From-SVN: r107049
426 lines
11 KiB
Java
426 lines
11 KiB
Java
/* DefaultCellEditor.java --
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Copyright (C) 2002, 2004 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;
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import java.awt.Component;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.event.ItemEvent;
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import java.awt.event.ItemListener;
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import java.awt.event.MouseEvent;
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import java.io.Serializable;
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import java.util.EventObject;
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import javax.swing.JTable;
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import javax.swing.JTextField;
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import javax.swing.event.CellEditorListener;
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import javax.swing.table.TableCellEditor;
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import javax.swing.tree.TreeCellEditor;
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/**
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* The default implementation of {@link TableCellEditor} and
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* {@link TreeCellEditor}. It provides editor components for
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* some standard object types.
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*
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* @author Andrew Selkirk
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*
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* @status mostly unimplemented
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*/
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public class DefaultCellEditor
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extends AbstractCellEditor
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implements TableCellEditor, TreeCellEditor
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{
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private static final long serialVersionUID = 3564035141373880027L;
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/**
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* Delegates a couple of method calls (such as {@link #isCellEditable}
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* to the component it contains and listens for events that indicate
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* that editing has stopped.
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*/
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protected class EditorDelegate
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implements ActionListener, ItemListener, Serializable
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{
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private static final long serialVersionUID = -1420007406015481933L;
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/**
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* value
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*/
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protected Object value;
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/**
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* Constructor EditorDelegate
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*/
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protected EditorDelegate()
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{
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// Nothing to do here.
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}
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/**
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* setValue
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*
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* @param value TODO
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*/
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public void setValue(Object value)
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{
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// TODO: should be setting the value in the editorComp
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this.value = value;
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}
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/**
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* getCellEditorValue
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*
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* @returns Object
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*/
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public Object getCellEditorValue()
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{
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// TODO: should be getting the updated value from the editorComp
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return value;
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} // getCellEditorValue()
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/**
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* isCellEditable
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*
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* @param event TODO
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*
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* @returns boolean
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*/
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public boolean isCellEditable(EventObject event)
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{
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if (event == null || !(event instanceof MouseEvent) ||
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(((MouseEvent) event).getClickCount() >= getClickCountToStart()))
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return true;
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return false;
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} // isCellEditable()
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/**
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* shouldSelectCell
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*
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* @param event TODO
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*
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* @returns boolean
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*/
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public boolean shouldSelectCell(EventObject event)
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{
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// return true to indicate that the editing cell may be selected
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return true;
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} // shouldSelectCell()
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/**
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* stopCellEditing
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*
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* @returns boolean
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*/
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public boolean stopCellEditing()
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{
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fireEditingStopped();
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return true;
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} // stopCellEditing()
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/**
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* cancelCellEditing
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*/
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public void cancelCellEditing()
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{
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fireEditingCanceled();
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} // cancelCellEditing()
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/**
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* startCellEditing
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*
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* @param event TODO
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*
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* @returns boolean
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*/
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public boolean startCellEditing(EventObject event)
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{
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// return true to indicate that editing has begun
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return true;
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} // startCellEditing()
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/**
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* actionPerformed
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*
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* @param event TODO
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*/
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public void actionPerformed(ActionEvent event)
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{
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stopCellEditing();
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} // actionPerformed()
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/**
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* itemStateChanged
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*
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* @param event TODO
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*/
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public void itemStateChanged(ItemEvent event)
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{
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stopCellEditing();
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} // itemStateChanged()
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void fireEditingStopped()
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{
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CellEditorListener[] listeners = getCellEditorListeners();
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for (int index = 0; index < listeners.length; index++)
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listeners[index].editingStopped(changeEvent);
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}
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void fireEditingCanceled()
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{
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CellEditorListener[] listeners = getCellEditorListeners();
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for (int index = 0; index < listeners.length; index++)
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listeners[index].editingCanceled(changeEvent);
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}
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} // EditorDelegate
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/**
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* editorComponent
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*/
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protected JComponent editorComponent;
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/**
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* delegate
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*/
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protected EditorDelegate delegate;
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/**
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* clickCountToStart
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*/
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protected int clickCountToStart;
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/**
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* Constructor DefaultCellEditor
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*
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* @param textfield TODO
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*/
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public DefaultCellEditor(JTextField textfield)
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{
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editorComponent = textfield;
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clickCountToStart = 3;
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} // DefaultCellEditor()
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/**
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* Constructor DefaultCellEditor
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*
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* @param checkbox TODO
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*/
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public DefaultCellEditor(JCheckBox checkbox)
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{
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editorComponent = checkbox;
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clickCountToStart = 1;
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} // DefaultCellEditor()
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/**
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* Constructor DefaultCellEditor
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*
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* @param combobox TODO
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*/
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public DefaultCellEditor(JComboBox combobox)
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{
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editorComponent = combobox;
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clickCountToStart = 1;
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} // DefaultCellEditor()
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/**
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* getComponent
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*
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* @returns Component
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*/
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public Component getComponent()
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{
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return editorComponent;
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} // getComponent()
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/**
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* getClickCountToStart
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*
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* @returns int
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*/
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public int getClickCountToStart()
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{
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return clickCountToStart;
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} // getClickCountToStart()
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/**
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* setClickCountToStart
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*
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* @param count TODO
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*/
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public void setClickCountToStart(int count)
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{
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clickCountToStart = count;
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} // setClickCountToStart()
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/**
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* getCellEditorValue
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*
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* @returns Object
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*/
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public Object getCellEditorValue()
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{
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return delegate.getCellEditorValue();
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} // getCellEditorValue()
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/**
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* isCellEditable
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*
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* @param event TODO
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*
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* @returns boolean
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*/
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public boolean isCellEditable(EventObject event)
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{
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return delegate.isCellEditable(event);
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} // isCellEditable()
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/**
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* shouldSelectCell
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*
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* @param event TODO
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*
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* @returns boolean
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*/
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public boolean shouldSelectCell(EventObject event)
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{
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return delegate.shouldSelectCell(event);
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} // shouldSelectCell()
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/**
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* stopCellEditing
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*
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* @returns boolean
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*/
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public boolean stopCellEditing()
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{
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return delegate.stopCellEditing();
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} // stopCellEditing()
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/**
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* cancelCellEditing
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*/
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public void cancelCellEditing()
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{
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delegate.cancelCellEditing();
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} // cancelCellEditing()
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/**
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* Sets an initial value for the editor.
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* This will cause the editor to stopEditing and lose any partially
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* edited value if the editor is editing when this method is called.
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* Returns the component that should be added to the client's Component
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* hierarchy. Once installed in the client's hierarchy this component will
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* then be able to draw and receive user input.
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*
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* @param tree - the JTree that is asking the editor to edit; this
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* parameter can be null
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* @param value - the value of the cell to be edited
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* @param isSelected - true is the cell is to be renderer with selection
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* highlighting
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* @param expanded - true if the node is expanded
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* @param leaf - true if the node is a leaf node
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* @param row - the row index of the node being edited
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*
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* @returns Component the component for editing
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*/
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public Component getTreeCellEditorComponent(JTree tree, Object value,
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boolean isSelected,
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boolean expanded, boolean leaf,
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int row)
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{
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if (editorComponent instanceof JTextField)
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{
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((JTextField)editorComponent).setText(value.toString());
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delegate = new EditorDelegate();
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((JTextField)editorComponent).addActionListener(delegate);
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}
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else if (editorComponent instanceof JCheckBox)
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{
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((JCheckBox)editorComponent).setText(value.toString());
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delegate = new EditorDelegate();
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((JCheckBox)editorComponent).addActionListener(delegate);
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}
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else if (editorComponent instanceof JComboBox)
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{
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((JComboBox)editorComponent).setSelectedItem(value.toString());
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delegate = new EditorDelegate();
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((JComboBox)editorComponent).addActionListener(delegate);
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}
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return editorComponent;
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} // getTreeCellEditorComponent()
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/**
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* getTableCellEditorComponent
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*
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* @param table TODO
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* @param value TODO
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* @param isSelected TODO
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* @param row TODO
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* @param column TODO
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*
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* @returns Component
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*/
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public Component getTableCellEditorComponent(JTable table, Object value,
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boolean isSelected, int row,
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int column)
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{
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// NOTE: as specified by Sun, we don't call new() everytime, we return
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// editorComponent on each call to getTableCellEditorComponent or
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// getTreeCellEditorComponent. However, currently JTextFields have a
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// problem with getting rid of old text, so without calling new() there
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// are some strange results. If you edit more than one cell in the table
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// text from previously edited cells may unexpectedly show up in the
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// cell you are currently editing. This will be fixed automatically
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// when JTextField is fixed.
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if (editorComponent instanceof JTextField)
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{
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((JTextField)editorComponent).setText(value.toString());
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delegate = new EditorDelegate();
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((JTextField)editorComponent).addActionListener(delegate);
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}
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else
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{
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// TODO
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}
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return editorComponent;
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} // getTableCellEditorComponent()
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}
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