| /******************************************************************************* |
| * 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.commands.range; |
| |
| import java.util.Stack; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.gef.GraphicalViewer; |
| import org.eclipse.jst.jsf.common.ui.internal.logging.Logger; |
| import org.eclipse.jst.pagedesigner.PDPlugin; |
| import org.eclipse.jst.pagedesigner.dom.DOMRange; |
| import org.eclipse.jst.pagedesigner.dom.EditHelper; |
| import org.eclipse.jst.pagedesigner.dom.EditModelQuery; |
| import org.w3c.dom.DOMException; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.Text; |
| |
| /** |
| * @author mengbo |
| */ |
| public class CopyEdit extends DesignEdit { |
| private static Logger _log = PDPlugin.getLogger(CopyEdit.class); |
| |
| private Stack result = new Stack(); |
| |
| /** |
| * @param range |
| * @param viewer |
| */ |
| public CopyEdit(DOMRange range, GraphicalViewer viewer) { |
| super(range, viewer); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jst.pagedesigner.commands.range.DesignEdit#operate() |
| */ |
| protected boolean operate() { |
| WorkNode root = getRootWorkNode(); |
| Node rootNode = root.getNode(); |
| result = getProcessedResult(); |
| collectOtherStyles(rootNode, result); |
| setClipboard(result); |
| return true; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jst.pagedesigner.commands.range.DesignEdit#processContainer(org.eclipse.jst.pagedesigner.commands.range.WorkNode) |
| */ |
| protected Node processContainer(WorkNode node) { |
| return node.getNode().cloneNode(false); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jst.pagedesigner.commands.range.AbstractCopyEdit#processNode(org.w3c.dom.Node, |
| * int[], java.util.Stack) |
| */ |
| protected Node processNode(WorkNode node) { |
| int pos[] = node.getPosOffsets(); |
| // the text could be tranparent, or 0 length. |
| Assert.isTrue(pos[0] <= pos[1]); |
| if (pos[0] == pos[1]) { |
| return null; |
| } |
| return node.getNode().cloneNode(true); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jst.pagedesigner.commands.range.AbstractCopyEdit#processText(org.w3c.dom.Text, |
| * int[], java.util.Stack) |
| */ |
| protected Text processText(WorkNode node) { |
| Text currentNode = (Text) node.getNode(); |
| int left = EditModelQuery.getNodeStartIndex(currentNode); |
| int right = EditModelQuery.getNodeEndIndex(currentNode); |
| int location1 = EditHelper.getInstance().getLocation(currentNode, |
| node.getPosOffsets()[0], true); |
| int location2 = EditHelper.getInstance().getLocation(currentNode, |
| node.getPosOffsets()[1], true); |
| int start = 0; |
| int end = right - left; |
| // left index |
| if (location1 > EditHelper.IN_MIDDLE |
| || location2 < EditHelper.IN_MIDDLE) { |
| return null; |
| } |
| if (location1 <= EditHelper.IN_MIDDLE) { |
| start = node.getQualifiedOffsets()[0]; |
| } |
| if (location2 >= EditHelper.IN_MIDDLE) { |
| end = node.getQualifiedOffsets()[1]; |
| } |
| if (start == end) { |
| return null; |
| } |
| |
| try { |
| String text = currentNode.getData().substring(start, end); |
| return EditModelQuery.getDocumentNode(currentNode) |
| .createTextNode(text); |
| } catch (DOMException e) { |
| // TODO: changed this from catching Exception |
| // DOMException is the only exception that |
| // anything in the try is threatening to throw |
| // and even that is Runtime |
| _log.error("Exception", e); //$NON-NLS-1$ |
| return null; |
| } |
| } |
| } |