| /******************************************************************************* |
| * 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.List; |
| |
| import org.eclipse.jface.viewers.ISelection; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| |
| 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.DOMUtil; |
| import org.eclipse.jst.pagedesigner.utils.JSPUtil; |
| import org.eclipse.jst.pagedesigner.viewer.IHTMLGraphicalViewer; |
| |
| /** |
| * @author mengbo |
| * @version 1.5 |
| */ |
| public class PanelGridInsertRowCommand extends DesignerCommand |
| { |
| private int _rowIndex; |
| private Element _panelGridEle; |
| |
| /** |
| * consturctor |
| * @param viewer |
| * @param panelGrid |
| * @param rowIndex |
| */ |
| public PanelGridInsertRowCommand(IHTMLGraphicalViewer viewer, Element panelGrid, int rowIndex) |
| { |
| super(CommandResources.getString("PanelGridInsertRowCommand.Label.InsertRow"), viewer); //$NON-NLS-1$ |
| this._panelGridEle = panelGrid; |
| this._rowIndex = rowIndex; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.gef.commands.Command#canExecute() |
| */ |
| public boolean canExecute() |
| { |
| if (this._rowIndex < 0) |
| { |
| return false; |
| } |
| boolean hasHeaderRow = (JSFDOMUtil.findFacet(_panelGridEle, "header") != null); //$NON-NLS-1$ |
| //forbid insert row before header |
| if (hasHeaderRow && _rowIndex == 0) |
| { |
| return false; |
| } |
| |
| int offIndex = this._rowIndex; |
| if (hasHeaderRow) |
| { |
| offIndex--; |
| } |
| |
| int columns = DOMUtil.getIntAttributeIgnoreCase(_panelGridEle, IJSFConstants.ATTR_COLUMNS, 1); |
| if (columns < 1) |
| { |
| columns = 1; |
| } |
| List children = JSFDOMUtil.getUIComponentChildren(_panelGridEle); |
| int numRows = (children.size() + columns - 1) / columns; |
| // //if the last element row is not full,then forbid insert row after the row |
| // if ((children.size() % columns != 0) && (offIndex == numRows)) |
| // { |
| // return false; |
| // } |
| //forbid insert row after the footer row |
| if (offIndex > numRows) |
| { |
| return false; |
| } |
| |
| return super.canExecute(); |
| |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jst.pagedesigner.commands.DesignerCommand#doExecute() |
| */ |
| protected void doExecute() |
| { |
| boolean hasHeaderRow = (JSFDOMUtil.findFacet(_panelGridEle, "header") != null); //$NON-NLS-1$ |
| |
| int columns = DOMUtil.getIntAttributeIgnoreCase(_panelGridEle, IJSFConstants.ATTR_COLUMNS, 1); |
| if (columns < 1) |
| { |
| columns = 1; |
| } |
| |
| List children = JSFDOMUtil.getUIComponentChildren(_panelGridEle); |
| int numRows = (children.size() + columns - 1) / columns; |
| |
| int insertRow = _rowIndex; |
| |
| if (hasHeaderRow) |
| { |
| if (insertRow == 0) |
| { |
| return; |
| } |
| insertRow--; |
| } |
| //if (insertRow < numRows || ((insertRow == numRows) && (children.size() % columns == 0))) |
| |
| { |
| int insertPoint = insertRow * columns; |
| Node node = null; |
| if (insertPoint < children.size()) |
| { |
| node = (Node) children.get(insertPoint); |
| } |
| |
| int adds = 0; |
| //if insert after the last ui row |
| if (insertRow >= numRows) |
| { |
| adds = columns * (numRows + 1) - children.size(); |
| } |
| else |
| { |
| adds = columns; |
| } |
| |
| for (int i = 0; i < adds; i++) |
| { |
| Node child = createDefaultNode(); |
| _panelGridEle.insertBefore(child, node); |
| } |
| 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(), ITLDConstants.URI_JSF_HTML, "h"); //$NON-NLS-1$ |
| Element child = _panelGridEle.getOwnerDocument().createElement(IJSFConstants.TAG_OUTPUTTEXT); |
| child.setPrefix(prefix); |
| return child; |
| } |
| } |