Bug 153412 Change parameter type will cause preview fail
Description: Change parameter type will cause preview fail Steps to reproduce: 1. New a report paramter, string, text-box, default value is abc. 2. Drag the parameter to Layout and preview. 3. Change the parameter's type to integer, list-box, add a value 1 4. Preview Expected result: No errors. Actual result: The value "abc" is invalid with the type "integer".
UI/org.eclipse.birt.report.designer.ui.preview/src/org/eclipse/birt/report/designer/ui/preview/editors/ReportPreviewFormPage.java
SUFFIX_DESIGN_CONFIG );
		}
		return configFileName;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.texteditor.AbstractTextEditor#firePropertyChange(int)
	 */
	protected void firePropertyChange( int type )
	{
		if ( type == PROP_DIRTY )
		{
			editor.editorDirtyStateChanged( );
		}
		else
		{
			super.firePropertyChange( type );
		}
	}
	protected void finalize( ) throws Throwable
	{
		if ( Policy.TRACING_PAGE_CLOSE )
		{
			System.out.println( "Report preview page finalized" ); 
		}
		super.finalize( );
	}
}