| /******************************************************************************* |
| * Copyright (c) 2008 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.handlers; |
| |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.ITextSelection; |
| import org.eclipse.jface.text.Region; |
| import org.eclipse.wst.css.core.internal.provisional.document.ICSSNode; |
| import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion; |
| import org.eclipse.wst.sse.ui.internal.handlers.AbstractStructuredSelectHandler; |
| |
| public class StructuredSelectNextHandler extends AbstractStructuredSelectHandler { |
| |
| protected IndexedRegion getCursorIndexedRegion(IDocument document, ITextSelection textSelection) { |
| int offset = textSelection.getOffset() + textSelection.getLength() - 1; |
| if (offset < 0) |
| offset = 0; |
| |
| IndexedRegion indexedRegion = null; |
| |
| indexedRegion = getIndexedRegion(document, offset); |
| |
| return indexedRegion; |
| } |
| |
| protected Region getNewSelectionRegion(IndexedRegion indexedRegion, ITextSelection textSelection) { |
| Region newRegion = null; |
| |
| if (indexedRegion instanceof ICSSNode) { |
| ICSSNode cursorNode = (ICSSNode) indexedRegion; |
| |
| Region cursorNodeRegion = new Region(indexedRegion.getStartOffset(), indexedRegion.getEndOffset() - indexedRegion.getStartOffset()); |
| int currentOffset = textSelection.getOffset(); |
| int currentEndOffset = currentOffset + textSelection.getLength(); |
| if (cursorNodeRegion.getOffset() >= currentOffset && cursorNodeRegion.getOffset() <= currentEndOffset && cursorNodeRegion.getOffset() + cursorNodeRegion.getLength() >= currentOffset && cursorNodeRegion.getOffset() + cursorNodeRegion.getLength() <= currentEndOffset) { |
| ICSSNode newNode = cursorNode.getNextSibling(); |
| if (newNode == null) { |
| newNode = cursorNode.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(currentOffset, newIndexedRegion.getEndOffset() - currentOffset); |
| } |
| } |
| } |
| else |
| newRegion = cursorNodeRegion; |
| } |
| return newRegion; |
| } |
| } |