| /******************************************************************************* |
| * 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.html; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jst.pagedesigner.commands.CommandResources; |
| import org.eclipse.jst.pagedesigner.commands.DesignerCommand; |
| import org.eclipse.jst.pagedesigner.dom.html.TableUtil; |
| import org.eclipse.jst.pagedesigner.viewer.IHTMLGraphicalViewer; |
| import org.w3c.dom.Element; |
| |
| /** |
| * @author mengbo |
| * @version 1.5 |
| */ |
| public class TableDeleteColumnCommand extends DesignerCommand { |
| private Element _tableEle; |
| |
| private int _columnIndex; |
| |
| private TableUtil _tableUtil; |
| |
| /** |
| * @param viewer |
| * @param dataTable |
| * @param index |
| */ |
| public TableDeleteColumnCommand(IHTMLGraphicalViewer viewer, |
| Element dataTable, int index) { |
| super( |
| CommandResources |
| .getString("TableDeleteColumnCommand.Label.DeleteColumn"), viewer); //$NON-NLS-1$ |
| this._tableEle = dataTable; |
| this._columnIndex = index; |
| this._tableUtil = new TableUtil(this._tableEle); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.gef.commands.Command#canExecute() |
| */ |
| public boolean canExecute() { |
| if (this._columnIndex < 0) { |
| return false; |
| } |
| boolean hasColSpan = _tableUtil.hasColumnSpanElement(this._columnIndex); |
| boolean isAffectedByColSpan = _tableUtil |
| .isAffectedByColSpan(this._columnIndex); |
| if (hasColSpan || isAffectedByColSpan) { |
| return false; |
| } |
| |
| return super.canExecute(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jst.pagedesigner.commands.DesignerCommand#getAfterCommandDesignerSelection() |
| */ |
| protected ISelection getAfterCommandDesignerSelection() { |
| return toDesignSelection(_tableEle); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jst.pagedesigner.commands.DesignerCommand#doExecute() |
| */ |
| protected void doExecute() { |
| List trList = new ArrayList(); |
| TableUtil.getTrElements(this._tableEle, trList); |
| |
| List[] lists = _tableUtil.getTrCellLists(); |
| |
| for (int i = 0, size = trList.size(); i < size; i++) { |
| Element tr = (Element) trList.get(i); |
| List cells = lists[i]; |
| if (cells.size() <= this._columnIndex) { |
| continue; |
| } |
| Element cell = (Element) cells.get(this._columnIndex); |
| if (!cell.getTagName().equalsIgnoreCase("fake")) //$NON-NLS-1$ |
| { |
| tr.removeChild(cell); |
| } |
| } |
| } |
| |
| } |