/*******************************************************************************
* Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.tools.workbench.uitools.cell;
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.util.EventObject;
import javax.swing.AbstractCellEditor;
import javax.swing.JTree;
import javax.swing.tree.TreeCellEditor;
/**
* A tree cell editor that acts like a text field embedded in the cell.
*/
public class TextFieldTreeCellEditor extends AbstractCellEditor implements TreeCellEditor {
/** delegate some behavior to a renderer */
protected TextFieldTreeCellRenderer renderer;
// ********** constructors/initialization **********
private TextFieldTreeCellEditor() {
super();
}
/**
* Construct a cell editor that behaves like a text field and
* looks like the specified renderer.
*/
public TextFieldTreeCellEditor(TextFieldTreeCellRenderer renderer) {
this();
this.initialize(renderer);
}
protected void initialize(TextFieldTreeCellRenderer r) {
this.renderer = r;
r.setEditing(true);
// listen to the text field so we know when to stop editing
r.addActionListener(this.buildActionListener());
}
protected ActionListener buildActionListener() {
return new ActionListener() {
public void actionPerformed(ActionEvent e) {
// when the text field fires an action event, we stop editing
TextFieldTreeCellEditor.this.stopCellEditing();
}
};
}
// ********** CellEditor implementation **********
/**
* @see javax.swing.CellEditor#getCellEditorValue()
*/
public Object getCellEditorValue() {
return this.renderer.getValue();
}
/**
* @see javax.swing.CellEditor#isCellEditable(java.util.EventObject)
*/
public boolean isCellEditable(EventObject e) {
if (e instanceof MouseEvent) {
return ((MouseEvent) e).getClickCount() >= 2; // force double-click
}
return super.isCellEditable(e);
}
// ********** TreeCellEditor implementation **********
/**
* @see javax.swing.tree.TreeCellEditor#getTreeCellEditorComponent(javax.swing.JTree, java.lang.Object, boolean, boolean, boolean, int)
*/
public Component getTreeCellEditorComponent(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row) {
return this.renderer.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, true);
}
}