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/*******************************************************************************
* Copyright (c) 2007 Pascal Essiembre.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Pascal Essiembre - initial API and implementation
******************************************************************************/
package org.eclipse.babel.editor.i18n;
import org.eclipse.babel.core.message.tree.IKeyTreeNode;
import org.eclipse.babel.core.message.tree.visitor.NodePathRegexVisitor;
import org.eclipse.babel.editor.internal.MessagesEditor;
import org.eclipse.babel.editor.internal.MessagesEditorChangeAdapter;
import org.eclipse.babel.editor.plugin.MessagesEditorPlugin;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.KeyAdapter;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Text;
/**
* Tree for displaying and navigating through resource bundle keys.
*
* @author Pascal Essiembre
*/
public class SideNavTextBoxComposite extends Composite {
/** Whether to synchronize the add text box with tree key selection. */
private boolean syncAddTextBox = true;
/** Text box to add a new key. */
private Text addTextBox;
private MessagesEditor editor;
/**
* Constructor.
*
* @param parent
* parent composite
* @param keyTree
* key tree
*/
public SideNavTextBoxComposite(Composite parent, final MessagesEditor editor) {
super(parent, SWT.NONE);
this.editor = editor;
GridLayout gridLayout = new GridLayout();
gridLayout.numColumns = 2;
gridLayout.horizontalSpacing = 0;
gridLayout.verticalSpacing = 0;
gridLayout.marginWidth = 0;
gridLayout.marginHeight = 0;
setLayout(gridLayout);
GridData gridData = new GridData();
gridData.horizontalAlignment = GridData.FILL;
gridData.verticalAlignment = GridData.CENTER;
gridData.grabExcessHorizontalSpace = true;
setLayoutData(gridData);
// Text box
addTextBox = new Text(this, SWT.BORDER);
gridData = new GridData();
gridData.grabExcessHorizontalSpace = true;
gridData.horizontalAlignment = GridData.FILL;
addTextBox.setLayoutData(gridData);
// Add button
final Button addButton = new Button(this, SWT.PUSH);
addButton.setText(MessagesEditorPlugin.getString("key.add")); //$NON-NLS-1$
addButton.setEnabled(false);
addButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
addKey(addTextBox.getText());
}
});
addTextBox.addKeyListener(new KeyAdapter() {
public void keyReleased(KeyEvent event) {
String key = addTextBox.getText();
if (event.character == SWT.CR && isNewKey(key)) {
addKey(key);
} else if (key.length() > 0) {
NodePathRegexVisitor visitor = new NodePathRegexVisitor(
"^" + key + ".*"); //$NON-NLS-1$//$NON-NLS-2$
editor.getKeyTreeModel().accept(visitor, null);
IKeyTreeNode node = visitor.getKeyTreeNode();
if (node != null) {
syncAddTextBox = false;
editor.setSelectedKey(node.getMessageKey());
}
}
}
});
addTextBox.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent event) {
addButton.setEnabled(isNewKey(addTextBox.getText()));
}
});
editor.addChangeListener(new MessagesEditorChangeAdapter() {
public void selectedKeyChanged(String oldKey, String newKey) {
if (syncAddTextBox && newKey != null) {
addTextBox.setText(newKey);
}
syncAddTextBox = true;
}
});
}
private void addKey(String key) {
editor.getBundleGroup().addMessages(key);
editor.setSelectedKey(key);
}
private boolean isNewKey(String key) {
return !editor.getBundleGroup().isMessageKey(key) && key.length() > 0;
}
}
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