Bug 151960 Library element popup menu display is wrong.
1:Creat a libray, add a table to this libray. 2:public this library. 3:Creat a report design. 4:Open the library explore, drag the table to the layout editor. 5:Select the table row, copy the selection row. 6:Select other row, clik the right button of the mouse to popup the menu . The result:Paste action and insert copied column action is highlight.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ColumnBandInsertAction.java
/*******************************************************************************
 * Copyright (c) 2004 Actuate Corporation. 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: Actuate Corporation - initial API and implementation
 ******************************************************************************/
package org.eclipse.birt.report.model.api;
import java.util.Collections;
import java.util.List;
import org.eclipse.birt.report.model.api.activity.SemanticException;
import org.eclipse.birt.report.model.api.elements.SemanticError;
import org.eclipse.birt.report.model.elements.Cell;
import org.eclipse.birt.report.model.elements.TableColumn;
import org.eclipse.birt.report.model.elements.TableRow;
/**
 * Provides the insert and paste operation to the column band in the grid/table.
 * 
 */
class ColumnBandInsertAction extends ColumnBandCopyAction
{
	/**
	 * The target position is one ahead specified column.
	 */
	private static final int INSERT_AFTER = 1;
	/**