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/*****************************************************************************
* Copyright (c) 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
****************************************************************************/
package org.eclipse.wst.css.ui.internal.selection;
import org.eclipse.jface.text.Region;
import org.eclipse.wst.css.core.internal.provisional.document.ICSSNode;
import org.eclipse.wst.css.ui.internal.CSSUIMessages;
import org.eclipse.wst.sse.core.IndexedRegion;
import org.eclipse.wst.sse.ui.internal.StructuredTextEditor;
import org.eclipse.wst.sse.ui.internal.selection.SelectionHistory;
import org.w3c.dom.Node;
public class StructureSelectPreviousCSSAction extends StructureSelectCSSAction {
public StructureSelectPreviousCSSAction(StructuredTextEditor editor, SelectionHistory history) {
super(editor, history);
setText(CSSUIMessages.StructureSelectPrevious_label);
setToolTipText(CSSUIMessages.StructureSelectPrevious_tooltip);
setDescription(CSSUIMessages.StructureSelectPrevious_description);
}
protected IndexedRegion getCursorIndexedRegion() {
return getIndexedRegion(fViewer.getSelectedRange().x);
}
protected Region getNewSelectionRegion(Node node, Region region) {
return null;
}
protected Region getNewSelectionRegion(ICSSNode node, Region region) {
Region newRegion = null;
ICSSNode newNode = node.getPreviousSibling();
if (newNode == null) {
newNode = node.getParentNode();
if (newNode instanceof IndexedRegion) {
IndexedRegion newIndexedRegion = (IndexedRegion) newNode;
newRegion = new Region(newIndexedRegion.getStartOffset(), newIndexedRegion.getEndOffset() - newIndexedRegion.getStartOffset());
}
} else {
if (newNode instanceof IndexedRegion) {
IndexedRegion newIndexedRegion = (IndexedRegion) newNode;
newRegion = new Region(newIndexedRegion.getStartOffset(), region.getOffset() + region.getLength() - newIndexedRegion.getStartOffset());
}
}
return newRegion;
}
}
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