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/*******************************************************************************
* 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.w3c.dom.Element;
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;
/**
* This command is used to insert a header row or footer row.
*
* @author mengbo
* @version 1.5
*/
public class DataTableInsertHeaderCommand extends DesignerCommand
{
boolean _header; // true means header, false means footer.
private Element _dataTable;
/**
* @param viewer
* @param dataTable
* @param header
*/
public DataTableInsertHeaderCommand(IHTMLGraphicalViewer viewer, Element dataTable, boolean header)
{
super(header ? CommandResources.getString("DataTableInsertHeaderCommand.Label.InsertHeader") : CommandResources.getString("DataTableInsertHeaderCommand.Label.InsertFooter"), viewer); //$NON-NLS-1$ //$NON-NLS-2$
this._header = header;
this._dataTable = dataTable;
}
/* (non-Javadoc)
* @see org.eclipse.gef.commands.Command#canExecute()
*/
public boolean canExecute()
{
if (this._header)
{
boolean hasHeader = (JSFDOMUtil.findFacet(this._dataTable, "header") != null); //$NON-NLS-1$
if (hasHeader)
{
return false;
}
}
else
{
boolean hasFooter = (JSFDOMUtil.findFacet(this._dataTable, "footer") != null); //$NON-NLS-1$
if (hasFooter)
{
return false;
}
}
return super.canExecute();
}
/* (non-Javadoc)
* @see org.eclipse.jst.pagedesigner.commands.DesignerCommand#doExecute()
*/
protected void doExecute()
{
String type = (this._header) ? "header" : "footer"; //$NON-NLS-1$ //$NON-NLS-2$
Element headerOrFooter = createHeaderOrFooter(type);
if (this._header)
{
this._dataTable.insertBefore(headerOrFooter, this._dataTable.getFirstChild());
}
else
{
this._dataTable.appendChild(headerOrFooter);
}
formatNode(this._dataTable);
}
/* (non-Javadoc)
* @see org.eclipse.jst.pagedesigner.commands.DesignerCommand#getAfterCommandDesignerSelection()
*/
protected ISelection getAfterCommandDesignerSelection()
{
return toDesignSelection(_dataTable);
}
private Element createHeaderOrFooter(String type)
{
Element facet = createFacet();
Element def = createDefaultElement();
facet.appendChild(def);
facet.setAttribute(IJSFConstants.ATTR_NAME, type);
return facet;
}
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);
if (this._header)
{
ele.setAttribute(IJSFConstants.ATTR_VALUE, "Table Header"); //$NON-NLS-1$
}
else
{
ele.setAttribute(IJSFConstants.ATTR_VALUE, "Table Footer"); //$NON-NLS-1$
}
return ele;
}
}
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