Bug 183733 Implement the IScriptOjectClassInfo to provide the class infromation to support the JS code assistant.
Engine should implement the IScriptObjectClassInfo interface to return the class information for script object.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/ScriptedDesignVisitor.java
}
	public void visitLabel( LabelHandle handle )
	{
		handleOnPrepare( handle );
	}
	public void visitDataItem( DataItemHandle handle )
	{
		handleOnPrepare( handle );
	}
	public void visitGrid( GridHandle handle )
	{
		handleOnPrepare( handle );
		
		SlotHandle columnSlot = handle.getColumns( );
		for ( int i = 0; i < columnSlot.getCount( ); i++ )
		{
			apply( columnSlot.get( i ) );
		}
		
		SlotHandle rowSlot = handle.getRows( );
		for ( int i = 0; i < rowSlot.getCount( ); i++ )
		{
			apply( rowSlot.get( i ) );
		}
	}
	public void visitImage( ImageHandle handle )
	{
		handleOnPrepare( handle );
	}