Bug 147604 Value in parameter list displays incorrectly with paramter group
Steps to reproduce: 1.Add a parameter group "pg" in report1, add a parameter"p" in the group 2.Add a label in report2, set a drill-through hyperlink, set target report is "report1", click parameter Expected result: Only one "p" lists in the value list Actual result: Two "p" appear
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/HyperlinkBuilder.java
clearArea( );
		closeTargetReport( );
		displayArea.setLayout( new GridLayout( 3, false ) );
		if ( DesignChoiceConstants.ACTION_LINK_TYPE_HYPERLINK.equals( type ) )
		{
			switchToURI( );
		}
		else if ( DesignChoiceConstants.ACTION_LINK_TYPE_BOOKMARK_LINK.equals( type ) )
		{
			switchToBookmark( );
		}
		else if ( DesignChoiceConstants.ACTION_LINK_TYPE_DRILL_THROUGH.equals( type ) )
		{
			switchToDrillthrough( );
		}
		initDisplayArea( );
		displayArea.layout( );
	}
	private void switchToURI( )
	{
		new Label( displayArea, SWT.NONE ).setText( REQUIED_MARK
				+ LABEL_LOCATION );
		locationEditor = new Text( displayArea, SWT.BORDER | SWT.SINGLE );
		locationEditor.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		locationEditor.addModifyListener( new ModifyListener( ) {
			public void modifyText( ModifyEvent e )
			{
				updateButtons( );
			}
		} );