| /******************************************************************************* |
| * Copyright (c) 2006 Sybase, Inc. 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: |
| * Sybase, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.pagedesigner.dom; |
| |
| import org.eclipse.jst.pagedesigner.viewer.DesignPosition; |
| import org.eclipse.jst.pagedesigner.viewer.DesignRange; |
| import org.w3c.dom.Node; |
| |
| /** |
| * @author mengbo |
| */ |
| public final class DOMRangeHelper { |
| /** |
| * @param range |
| * @return the dom range |
| */ |
| public static DOMRange toDOMRange(DesignRange range) { |
| if (range.getStartPosition() == range.getEndPosition()) { |
| IDOMPosition dp = DOMPositionHelper.toDOMPosition(range |
| .getStartPosition()); |
| return new DOMRange(dp, dp); |
| } |
| return new DOMRange(DOMPositionHelper.toDOMPosition(range |
| .getStartPosition()), DOMPositionHelper.toDOMPosition(range |
| .getEndPosition())); |
| } |
| |
| /** |
| * @param range |
| * @return the design range |
| */ |
| public static DesignRange toDesignRange(DOMRange range) { |
| if (range.getStartPosition() == range.getEndPosition()) { |
| DesignPosition dp = DOMPositionHelper.toDesignPosition(range |
| .getStartPosition()); |
| return new DesignRange(dp, dp); |
| } |
| return new DesignRange(DOMPositionHelper.toDesignPosition(range |
| .getStartPosition()), DOMPositionHelper.toDesignPosition(range |
| .getEndPosition())); |
| } |
| |
| /** |
| * @param range |
| * @param original |
| * @param replacement |
| * @return the dom range |
| */ |
| public static DOMRange handleReplacement(DOMRange range, Node original, |
| Node replacement) { |
| if (range.getStartPosition() == range.getEndPosition()) { |
| IDOMPosition pos = range.getStartPosition().handleReplacement( |
| original, replacement); |
| return new DOMRange(pos, pos); |
| } |
| return new DOMRange(range.getStartPosition().handleReplacement( |
| original, replacement), range.getEndPosition() |
| .handleReplacement(original, replacement)); |
| } |
| |
| private DOMRangeHelper() |
| { |
| // util class, no instantiation |
| } |
| } |