/*
* 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 pivot.wtk.text.test;
import pivot.collections.Dictionary;
import pivot.collections.Sequence;
import pivot.collections.Sequence.Tree.Path;
import pivot.wtk.Application;
import pivot.wtk.Component;
import pivot.wtk.DesktopApplicationContext;
import pivot.wtk.Display;
import pivot.wtk.Frame;
import pivot.wtk.Label;
import pivot.wtk.TextArea;
import pivot.wtk.TextAreaSelectionListener;
import pivot.wtk.TreeView;
import pivot.wtk.TreeViewSelectionListener;
import pivot.wtk.text.Element;
import pivot.wtk.text.Node;
import pivot.wtk.text.NodeListener;
import pivot.wtkx.WTKXSerializer;
public class TextAreaTest implements Application {
private Frame frame = null;
private TextArea textArea = null;
private Label selectionStartLabel = null;
private Label selectionLengthLabel = null;
private TreeView treeView = null;
private Label offsetLabel = null;
private Label charactersLabel = null;
private DocumentAdapter documentAdapter = null;
private Node selectedNode = null;
private NodeListener selectedNodeListener = new NodeListener() {
public void parentChanged(Node node, Element previousParent) {
// No-op
}
public void offsetChanged(Node node, int previousOffset) {
updateSelectedNodeData();
}
public void rangeInserted(Node node, int offset, int span) {
updateSelectedNodeData();
}
public void rangeRemoved(Node node, int offset, int span) {
updateSelectedNodeData();
}
};
public void startup(Display display, Dictionary<String, String> properties)
throws Exception {
WTKXSerializer wtkxSerializer = new WTKXSerializer();
frame = new Frame((Component)wtkxSerializer.readObject(getClass().getResource("text_area_test.wtkx")));
frame.setTitle("TextArea Test");
frame.setPreferredSize(640, 480);
frame.open(display);
textArea = (TextArea)wtkxSerializer.getObjectByID("textArea");
textArea.getTextAreaSelectionListeners().add(new TextAreaSelectionListener() {
public void selectionChanged(TextArea textArea,
int previousSelectionStart, int previousSelectionLength) {
selectionStartLabel.setText(Integer.toString(textArea.getSelectionStart()));
selectionLengthLabel.setText(Integer.toString(textArea.getSelectionLength()));
}
});
selectionStartLabel = (Label)wtkxSerializer.getObjectByID("selectionStartLabel");
selectionLengthLabel = (Label)wtkxSerializer.getObjectByID("selectionLengthLabel");
treeView = (TreeView)wtkxSerializer.getObjectByID("treeView");
treeView.getTreeViewSelectionListeners().add(new TreeViewSelectionListener() {
public void selectedPathAdded(TreeView treeView, Path path) {
// No-op
}
public void selectedPathRemoved(TreeView treeView, Path path) {
// No-op
}
public void selectedPathsChanged(TreeView treeView,
Sequence<Path> previousSelectedPaths) {
Path selectedPath = treeView.getSelectedPath();
if (selectedNode != null) {
selectedNode.getNodeListeners().remove(selectedNodeListener);
}
if (selectedPath == null) {
selectedNode = null;
} else {
NodeAdapter nodeAdapter = Sequence.Tree.get(documentAdapter, selectedPath);
selectedNode = nodeAdapter.getNode();
}
if (selectedNode != null) {
selectedNode.getNodeListeners().add(selectedNodeListener);
}
updateSelectedNodeData();
}
});
offsetLabel = (Label)wtkxSerializer.getObjectByID("offsetLabel");
charactersLabel = (Label)wtkxSerializer.getObjectByID("charactersLabel");
documentAdapter = new DocumentAdapter(textArea.getDocument());
treeView.setTreeData(documentAdapter);
}
public boolean shutdown(boolean optional) {
frame.close();
return true;
}
public void suspend() {
}
public void resume() {
}
private void updateSelectedNodeData() {
if (selectedNode == null) {
offsetLabel.setText(null);
charactersLabel.setText(null);
} else {
offsetLabel.setText(Integer.toString(selectedNode.getDocumentOffset()));
charactersLabel.setText(Integer.toString(selectedNode.getCharacterCount()));
}
}
public static void main(String[] args) {
DesktopApplicationContext.main(TextAreaTest.class, args);
}
}