Bug 120503 Cascading Parameter can not drop into layout
Details: Cascading Parameter can not drop into layout Step: 1.Open a report design and Create a Sample Data Source and data set by "select * from CLASSICMODELS.CUSTOMERS" 2.New a cascading parameter and create CUSTOMERSNUMBER and CUSTOMERSNAME in parameter named number and name. Press OK 3.Drop parameter name into layout. Actual results: The parameter in Cascading Parameter Group can not drop to layout
UI/org.eclipse.birt.report.designer.ui.lib/src/org/eclipse/birt/report/designer/internal/lib/views/outline/LibraryOutlinePage.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.designer.internal.lib.views.outline;
import org.eclipse.birt.report.designer.internal.lib.views.outline.dnd.LibraryDropListener;
import org.eclipse.birt.report.designer.internal.ui.views.outline.DesignerOutlinePage;
import org.eclipse.birt.report.designer.internal.ui.views.outline.dnd.DesignerDragListener;
import org.eclipse.birt.report.designer.internal.ui.views.outline.dnd.DesignerDropListener;
import org.eclipse.birt.report.designer.internal.ui.views.outline.dnd.DropTypeConstraint;
import org.eclipse.birt.report.designer.internal.ui.views.outline.dnd.IDropConstraint;
import org.eclipse.birt.report.model.api.CascadingParameterGroupHandle;
import org.eclipse.birt.report.model.api.ModuleHandle;
import org.eclipse.birt.report.model.api.ParameterGroupHandle;
import org.eclipse.birt.report.model.api.ParameterHandle;
import org.eclipse.birt.report.model.api.ScalarParameterHandle;
import org.eclipse.gef.dnd.TemplateTransfer;
import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.Transfer;
/**
 * Outline page to show the tree structure of library model.
 * 
 */
public class LibraryOutlinePage extends DesignerOutlinePage