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/*******************************************************************************
* Copyright (c) 2004, 2006 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.css.ui.views.contentoutline;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.ViewerComparator;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.eclipse.wst.css.ui.internal.CSSUIMessages;
import org.eclipse.wst.css.ui.internal.CSSUIPlugin;
import org.eclipse.wst.css.ui.internal.editor.CSSEditorPluginImages;
import org.eclipse.wst.sse.ui.internal.contentoutline.PropertyChangeUpdateAction;
/*
* Based on DTDContentOutlinePage#SortAction
*/
class SortAction extends PropertyChangeUpdateAction {
private TreeViewer treeViewer;
public SortAction(TreeViewer viewer, IPreferenceStore store, String preferenceKey) {
super(CSSUIMessages.SortAction_0, store, preferenceKey, false); //$NON-NLS-1$
ImageDescriptor desc = AbstractUIPlugin.imageDescriptorFromPlugin(CSSUIPlugin.ID, CSSEditorPluginImages.IMG_OBJ_SORT);
setImageDescriptor(desc);
setToolTipText(getText());
treeViewer = viewer;
if (isChecked()) {
treeViewer.setComparator(new ViewerComparator());
}
}
public void update() {
super.update();
treeViewer.getControl().setRedraw(false);
Object[] expandedElements = treeViewer.getExpandedElements();
if (isChecked()) {
treeViewer.setComparator(new ViewerComparator());
}
else {
treeViewer.setComparator(null);
}
treeViewer.setInput(treeViewer.getInput());
treeViewer.setExpandedElements(expandedElements);
treeViewer.getControl().setRedraw(true);
}
}
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