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/*******************************************************************************
* Copyright (c) 2009, 2010 Hiroyuki Inaba and others.
* 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:
* Hiroyuki Inaba - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.provisional.commons.ui;
import java.lang.reflect.Field;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.KeyAdapter;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.KeyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.TypedListener;
import org.eclipse.ui.dialogs.FilteredTree;
import org.eclipse.ui.dialogs.PatternFilter;
/**
* A {@link FilteredTree} that uses the new look on Eclipse 3.5 and later.
*
* @author Hiroyuki Inaba
* @deprecated use {@link org.eclipse.mylyn.commons.ui.workbench.EnhancedFilteredTree} instead
*/
// TODO e3.5 remove this class and replace with FilteredTree
@Deprecated
public class EnhancedFilteredTree extends FilteredTree {
protected boolean useNewLook;
private TextSearchControl searchControl;
public EnhancedFilteredTree(Composite parent, int treeStyle, PatternFilter filter, boolean useNewLook) {
super(parent, treeStyle, filter);
}
public EnhancedFilteredTree(Composite parent, int treeStyle, PatternFilter filter) {
super(parent, treeStyle, filter);
}
public EnhancedFilteredTree(Composite parent) {
super(parent);
}
@Override
protected void createControl(Composite parent, int treeStyle) {
super.createControl(parent, treeStyle);
// set this after so that there isn't a double border created around the search
useNewLook = setNewLook(this);
}
@Override
protected Composite createFilterControls(Composite parent) {
createFilterText(parent);
return parent;
}
public static boolean setNewLook(FilteredTree tree) {
try {
Field newStyleField = FilteredTree.class.getDeclaredField("useNewLook"); //$NON-NLS-1$
newStyleField.setAccessible(true);
newStyleField.setBoolean(tree, true);
return newStyleField.getBoolean(tree);
} catch (Exception e) {
// ignore
}
return false;
}
@Override
protected void createFilterText(Composite parent) {
super.createFilterText(parent);
// This code is here to make it so that the key listener for the down arrow listens to the KeyEvent.doit
// flag so that the history popup dialog can be keyboard accessible and the down arrow works to select items
// from the history
if (searchControl != null && searchControl.hasHistorySupport()) {
Text textControl = searchControl.getTextControl();
KeyListener downArrowListener = null;
Listener[] listeners = textControl.getListeners(SWT.KeyDown);
if (listeners != null && listeners.length > 0) {
for (Listener listener : listeners) {
if (listener instanceof TypedListener
&& ((TypedListener) listener).getEventListener()
.getClass()
.getName()
.startsWith("org.eclipse.ui.dialogs.FilteredTree$") //$NON-NLS-1$
&& ((TypedListener) listener).getEventListener() instanceof KeyListener) {
downArrowListener = (KeyListener) ((TypedListener) listener).getEventListener();
break;
}
}
}
if (downArrowListener != null) {
final KeyListener oldKeyListener = downArrowListener;
textControl.removeKeyListener(downArrowListener);
textControl.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.doit) {
oldKeyListener.keyPressed(e);
}
}
@Override
public void keyReleased(KeyEvent e) {
if (e.doit) {
oldKeyListener.keyReleased(e);
}
}
});
}
}
}
@Override
protected Text doCreateFilterText(Composite parent) {
searchControl = new TextSearchControl(parent, true, getHistoryPopupDialog());
searchControl.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetDefaultSelected(SelectionEvent e) {
if (e.detail == TextSearchControl.ICON_CANCEL) {
clearText();
}
if (e.detail == TextSearchControl.ICON_SEARCH) {
textChanged();
}
}
});
searchControl.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
return searchControl.getTextControl();
}
public TextSearchControl getTextSearchControl() {
return searchControl;
}
protected SearchHistoryPopUpDialog getHistoryPopupDialog() {
return new SearchHistoryPopUpDialog(getShell(), SWT.TOP);
}
}
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