| /******************************************************************************* |
| * 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.jsf.ui.commands.jsfhtml; |
| |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jst.jsf.core.internal.tld.IJSFConstants; |
| import org.eclipse.jst.jsf.core.internal.tld.ITLDConstants; |
| import org.eclipse.jst.pagedesigner.commands.DesignerCommand; |
| import org.eclipse.jst.pagedesigner.jsf.core.dom.JSFDOMUtil; |
| import org.eclipse.jst.pagedesigner.utils.JSPUtil; |
| import org.eclipse.jst.pagedesigner.viewer.IHTMLGraphicalViewer; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| |
| /** |
| * Insert a column into dataTable. |
| * |
| * @author mengbo |
| * @version 1.5 |
| */ |
| public class DataTableInsertColumnCommand extends DesignerCommand |
| { |
| Element _dataTable; |
| Element _child; |
| int _index; |
| |
| /** |
| * |
| * @param viewer |
| * @param dataTable |
| * @param index 0 means before the first column. |
| */ |
| public DataTableInsertColumnCommand(IHTMLGraphicalViewer viewer, Element dataTable, int index) |
| { |
| super(CommandResources.getString("DataTableInsertColumnCommand.Label.InsertColumn"), viewer); //$NON-NLS-1$ |
| this._dataTable = dataTable; |
| this._index = index; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.gef.commands.Command#canExecute() |
| */ |
| public boolean canExecute() |
| { |
| if (this._index < 0) |
| { |
| return false; |
| } |
| return super.canExecute(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jst.pagedesigner.commands.DesignerCommand#doExecute() |
| */ |
| protected void doExecute() |
| { |
| String prefix = JSPUtil.getOrCreatePrefix(getModel(), ITLDConstants.URI_JSF_HTML, "h"); //$NON-NLS-1$ |
| _child = _dataTable.getOwnerDocument().createElement(prefix + ":column"); //$NON-NLS-1$ |
| |
| createHeaderFooter(_child); |
| NodeList children = _dataTable.getChildNodes(); |
| int count = 0; |
| for (int i = 0, size = children.getLength(); i < size; i++) |
| { |
| Node node = children.item(i); |
| if (JSFDOMUtil.isHColumn(node)) |
| { |
| if (_index == count) |
| { |
| _dataTable.insertBefore(_child, node); |
| return; |
| } |
| count++; |
| } |
| } |
| _dataTable.insertBefore(_child, null); |
| formatNode(this._child); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jst.pagedesigner.commands.DesignerCommand#getAfterCommandDesignerSelection() |
| */ |
| protected ISelection getAfterCommandDesignerSelection() |
| { |
| return toDesignSelection(_dataTable); |
| } |
| |
| /** |
| * check whether the datatable already have header and footer, if yes, |
| * then also create for this column |
| * |
| * @param column |
| */ |
| private void createHeaderFooter(Element column) |
| { |
| boolean hasHeader = false; |
| boolean hasFooter = false; |
| NodeList children = _dataTable.getChildNodes(); |
| for (int i = 0, size = children.getLength(); i < size; i++) |
| { |
| Node node = children.item(i); |
| if (JSFDOMUtil.isHColumn(node)) |
| { |
| if (!hasHeader && JSFDOMUtil.findFacet((Element) node, "header") != null) //$NON-NLS-1$ |
| { |
| hasHeader = true; |
| } |
| if (!hasFooter && JSFDOMUtil.findFacet((Element) node, "footer") != null) //$NON-NLS-1$ |
| { |
| hasFooter = true; |
| } |
| } |
| } |
| if (hasHeader) |
| { |
| Element facet = createFacet(); |
| facet.setAttribute("name", "header"); //$NON-NLS-1$ //$NON-NLS-2$ |
| Element ele = createDefaultElement(); |
| facet.appendChild(ele); |
| column.appendChild(facet); |
| } |
| if (hasFooter) |
| { |
| Element facet = createFacet(); |
| facet.setAttribute("name", "footer"); //$NON-NLS-1$ //$NON-NLS-2$ |
| Element ele = createDefaultElement(); |
| facet.appendChild(ele); |
| column.appendChild(facet); |
| } |
| } |
| |
| /** |
| * @return |
| */ |
| private Element createFacet() |
| { |
| String prefix = JSPUtil.getOrCreatePrefix(getModel(), ITLDConstants.URI_JSF_CORE, "f"); //$NON-NLS-1$ |
| Element ele = _dataTable.getOwnerDocument().createElement(IJSFConstants.TAG_FACET); |
| ele.setPrefix(prefix); |
| return ele; |
| } |
| |
| private Element createDefaultElement() |
| { |
| String prefix = JSPUtil.getOrCreatePrefix(getModel(), ITLDConstants.URI_JSF_HTML, "h"); //$NON-NLS-1$ |
| Element ele = _dataTable.getOwnerDocument().createElement(IJSFConstants.TAG_OUTPUTTEXT); |
| ele.setPrefix(prefix); |
| ele.setAttribute(IJSFConstants.ATTR_VALUE, "Column"); //$NON-NLS-1$ |
| return ele; |
| } |
| |
| } |