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/*******************************************************************************
* Copyright (c) 2001, 2004 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
* Jens Lukowski/Innoopract - initial renaming/restructuring
*
*******************************************************************************/
package org.eclipse.wst.dtd.ui.views.contentoutline;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.ViewerComparator;
import org.eclipse.wst.dtd.ui.internal.DTDUIMessages;
import org.eclipse.wst.dtd.ui.internal.editor.DTDEditorPluginImageHelper;
import org.eclipse.wst.dtd.ui.internal.editor.DTDEditorPluginImages;
import org.eclipse.wst.sse.ui.internal.contentoutline.PropertyChangeUpdateAction;
class SortAction extends PropertyChangeUpdateAction {
private TreeViewer treeViewer;
public SortAction(TreeViewer viewer, IPreferenceStore store, String preferenceKey) {
super(DTDUIMessages._UI_BUTTON_SORT_ITEMS, store, preferenceKey, false); //$NON-NLS-1$
setImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_OBJ_SORT));
setToolTipText(getText());
treeViewer = viewer;
if (isChecked()) {
treeViewer.setComparator(new ViewerComparator());
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.texteditor.IUpdate#update()
*/
public void update() {
super.update();
// treeViewer.getControl().setVisible(false);
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().setVisible(true);
treeViewer.getControl().setRedraw(true);
}
}
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