/*****************************************************************
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
****************************************************************/
package org.apache.cayenne.modeler.util;
import java.awt.event.FocusListener;
import javax.swing.JTextField;
import javax.swing.event.UndoableEditListener;
import javax.swing.text.Document;
import org.apache.cayenne.modeler.undo.JTextFieldUndoListener;
import org.syntax.jedit.JEditTextArea;
class JEditTextAreaUndoable extends JEditTextArea {
private UndoableEditListener undoListener;
JEditTextAreaUndoable() {
this.undoListener = new JTextFieldUndoListener(new JEditTextAreaUndoableAdapter(
this));
this.getDocument().addUndoableEditListener(this.undoListener);
}
@Override
public void setText(String t) {
this.getDocument().removeUndoableEditListener(this.undoListener);
try {
super.setText(t);
}
finally {
this.getDocument().addUndoableEditListener(this.undoListener);
}
}
private static class JEditTextAreaUndoableAdapter extends JTextField {
@Override
public synchronized void addFocusListener(FocusListener l) {
if (textArea != null) {
textArea.addFocusListener(l);
}
}
private JEditTextArea textArea;
public JEditTextAreaUndoableAdapter(JEditTextArea scriptArea) {
this.textArea = scriptArea;
}
public int getCaretPosition() {
if (textArea == null) {
return 0;
}
return textArea.getCaretPosition();
}
public Document getDocument() {
if (textArea == null) {
return null;
}
return textArea.getDocument();
}
public boolean requestFocusInWindow() {
if (textArea == null) {
return false;
}
return textArea.requestFocusInWindow();
}
public void selectAll() {
if (textArea == null) {
return;
}
textArea.selectAll();
}
@Override
public void setText(String t) {
if (textArea == null) {
return;
}
textArea.setText(t);
}
public void setCaretPosition(int position) {
if (textArea == null) {
return;
}
textArea.setCaretPosition(position);
}
@Override
public void updateUI() {
}
}
}