| /******************************************************************************* |
| * 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 java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.jface.viewers.ISelection; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| |
| import org.eclipse.jst.pagedesigner.IJMTConstants; |
| import org.eclipse.jst.pagedesigner.IJSFConstants; |
| import org.eclipse.jst.pagedesigner.commands.DesignerCommand; |
| import org.eclipse.jst.pagedesigner.jsf.core.dom.JSFDOMUtil; |
| import org.eclipse.jst.pagedesigner.jsf.ui.elementedit.util.PanelGridUtil; |
| import org.eclipse.jst.pagedesigner.utils.DOMUtil; |
| import org.eclipse.jst.pagedesigner.utils.JSPUtil; |
| import org.eclipse.jst.pagedesigner.viewer.IHTMLGraphicalViewer; |
| |
| /** |
| * @author mengbo |
| * @version 1.5 |
| */ |
| public class PanelGridInsertColumnCommand extends DesignerCommand |
| { |
| private int _columnIndex; |
| private Element _panelGridEle; |
| |
| /** |
| * construction |
| * @param viewer |
| * @param panelGrid |
| * @param columnIndex |
| */ |
| public PanelGridInsertColumnCommand(IHTMLGraphicalViewer viewer, Element panelGrid, int columnIndex) |
| { |
| super(CommandResources.getString("PanelGridInsertColumnCommand.Label.InsertColumn"), viewer); //$NON-NLS-1$ |
| this._panelGridEle = panelGrid; |
| this._columnIndex = columnIndex; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.gef.commands.Command#canExecute() |
| */ |
| public boolean canExecute() |
| { |
| if (this._columnIndex < 0) |
| { |
| return false; |
| } |
| return super.canExecute(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jst.pagedesigner.commands.DesignerCommand#doExecute() |
| */ |
| protected void doExecute() |
| { |
| int columns = DOMUtil.getIntAttributeIgnoreCase(_panelGridEle, IJSFConstants.ATTR_COLUMNS, 1); |
| if (columns < 1) |
| { |
| columns = 1; |
| } |
| |
| int startPoint = 0; |
| if (_columnIndex > columns) |
| { |
| return; |
| } |
| else if (_columnIndex == columns) |
| { |
| startPoint = _columnIndex - 1; |
| } |
| else |
| { |
| startPoint = _columnIndex; |
| } |
| |
| List children = JSFDOMUtil.getUIComponentChildren(_panelGridEle); |
| |
| List toMove = new ArrayList(); |
| for (int i = startPoint; i < children.size(); i += columns) |
| { |
| if (_columnIndex < columns) |
| { |
| toMove.add(children.get(i)); |
| } |
| else |
| { |
| int tmp = i + 1; |
| if (tmp == children.size()) |
| { |
| toMove.add(null); |
| } |
| else |
| { |
| toMove.add(children.get(i + 1)); |
| } |
| } |
| } |
| // for (int i = 0, size = toMove.size(); i < size; i++) |
| int lastRowCells = (children.size() % columns == 0) ? columns : (children.size() % columns); |
| PanelGridUtil util = new PanelGridUtil(this._panelGridEle); |
| int uiRows = util.getUIRowCount(); |
| int adds = uiRows; |
| if (this._columnIndex > lastRowCells) |
| { |
| adds += this._columnIndex - lastRowCells; |
| } |
| for (int i = 0, size = adds; i < size; i++) |
| { |
| Node child = createDefaultNode(); |
| int toMoveSize = toMove.size(); |
| Node node = null; |
| if (i < toMoveSize) |
| { |
| node = (Node) toMove.get(i); |
| } |
| _panelGridEle.insertBefore(child, node); |
| } |
| |
| _panelGridEle.setAttribute(IJSFConstants.ATTR_COLUMNS, String.valueOf(columns + 1)); |
| formatNode(_panelGridEle); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jst.pagedesigner.commands.DesignerCommand#getAfterCommandDesignerSelection() |
| */ |
| protected ISelection getAfterCommandDesignerSelection() |
| { |
| return toDesignSelection(this._panelGridEle); |
| } |
| |
| private Node createDefaultNode() |
| { |
| String prefix = JSPUtil.getOrCreatePrefix(getModel(), IJMTConstants.URI_JSF_HTML, "h"); //$NON-NLS-1$ |
| Element child = _panelGridEle.getOwnerDocument().createElement(IJSFConstants.TAG_OUTPUTTEXT); |
| child.setPrefix(prefix); |
| return child; |
| } |
| } |