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* 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.
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package org.apache.cayenne.modeler.undo;
import javax.swing.JTabbedPane;
import javax.swing.SwingUtilities;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.text.JTextComponent;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.TreePath;
import javax.swing.undo.CannotRedoException;
import javax.swing.undo.CannotUndoException;
import javax.swing.undo.CompoundEdit;
import org.apache.cayenne.configuration.DataChannelDescriptor;
import org.apache.cayenne.configuration.DataNodeDescriptor;
import org.apache.cayenne.map.DataMap;
import org.apache.cayenne.map.DbEntity;
import org.apache.cayenne.map.Embeddable;
import org.apache.cayenne.map.ObjEntity;
import org.apache.cayenne.modeler.Application;
import org.apache.cayenne.modeler.CayenneModelerFrame;
import org.apache.cayenne.modeler.editor.EditorView;
import org.apache.cayenne.modeler.util.TextAdapter;
import org.apache.cayenne.query.EJBQLQuery;
import org.apache.cayenne.query.SQLTemplate;
public class TextCompoundEdit extends CompoundEdit implements DocumentListener {
private TextAdapter adapter;
private JTextComponent editor;
private TreePath treePath;
private int selectedTabIndex;
private JTabbedPane tabbedPane;
private Object targetObject;
private JTextFieldUndoListener listener;
public Object getTargetObject() {
return targetObject;
}
public TextCompoundEdit(TextAdapter adapter, JTextFieldUndoListener listener) {
this(adapter.getComponent(), listener);
this.adapter = adapter;
}
public TextCompoundEdit(JTextComponent editor, JTextFieldUndoListener listener) {
this.editor = editor;
this.listener = listener;
EditorView editorView = ((CayenneModelerFrame) Application
.getInstance()
.getFrameController()
.getView()).getView();
treePath = editorView.getProjectTreeView().getSelectionPath();
DefaultMutableTreeNode newPath = (DefaultMutableTreeNode) treePath
.getLastPathComponent();
targetObject = newPath.getUserObject();
if (targetObject instanceof ObjEntity) {
tabbedPane = editorView.getObjDetailView();
}
if (targetObject instanceof DbEntity) {
tabbedPane = editorView.getDbDetailView();
}
if (targetObject instanceof Embeddable) {
tabbedPane = editorView.getEmbeddableView();
}
if (targetObject instanceof SQLTemplate) {
tabbedPane = editorView.getSqlTemplateView();
}
if (targetObject instanceof EJBQLQuery) {
tabbedPane = editorView.getEjbqlQueryView();
}
if (targetObject instanceof DataNodeDescriptor) {
tabbedPane = editorView.getDataNodeView();
}
if (targetObject instanceof DataMap) {
tabbedPane = editorView.getDataMapView();
}
if (targetObject instanceof DataChannelDescriptor) {
tabbedPane = editorView.getDataDomainView();
}
if (tabbedPane != null) {
selectedTabIndex = tabbedPane.getSelectedIndex();
}
}
private void restoreSelections() {
EditorView editorView = ((CayenneModelerFrame) Application
.getInstance()
.getFrameController()
.getView()).getView();
editorView.getProjectTreeView().getSelectionModel().setSelectionPath(treePath);
if (tabbedPane != null) {
tabbedPane.setSelectedIndex(selectedTabIndex);
}
}
public void insertUpdate(final DocumentEvent e) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
int offset = e.getOffset() + e.getLength();
offset = Math.min(offset, editor.getDocument().getLength());
editor.setCaretPosition(offset);
}
});
}
public void removeUpdate(DocumentEvent e) {
editor.setCaretPosition(e.getOffset());
}
public void changedUpdate(DocumentEvent e) {
}
public boolean isInProgress() {
return false;
}
@Override
public void redo() throws CannotRedoException {
restoreSelections();
if (canRedo()) {
super.redo();
}
else {
die();
}
editor.requestFocusInWindow();
}
public void undo() throws CannotUndoException {
restoreSelections();
listener.finishCurrentEdit();
if (canUndo()) {
super.undo();
}
else {
die();
}
if (adapter != null) {
adapter.updateModel();
}
editor.requestFocusInWindow();
editor.selectAll();
}
@Override
public synchronized String getRedoPresentationName() {
return "Redo Text Change";
}
@Override
public synchronized String getUndoPresentationName() {
return "Undo Text Change";
}
public JTextComponent getEditor() {
return editor;
}
public void watchCaretPosition() {
editor.getDocument().addDocumentListener(this);
}
public void stopWatchingCaretPosition() {
editor.getDocument().removeDocumentListener(this);
}
}