Bug 211710 [Regression] Data of cascading parameters in the report extended from the library can not be selected from the drop-down list when preview [01]
Description: Data of cascading parameters in the report extended from the library can not be selected from the drop-down list when preview. Build number: 2.2.2.v20071203-0630 Steps to reproduce: 1. New a Library with cascading parameters. 2. New a report and extend the cascading parameters from the library and preview. Expected result: Values can be selected from the drop-down list. Actual result: Values can not be selected from the drop-down list. Error log: N/A
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/GetParameterDefinitionTask.java
{
		/**
		 * report design handle
		 */
		protected ReportDesignHandle handle;
		
		/**
		 * current report element created by visitor
		 */
		protected Object currentElement;
		
		ParameterIRVisitor( ReportDesignHandle handle )
		{
			super( );
			this.handle = handle;
		}