Bug 201726 [Regression]Missing the attribute binding in Current Data Cube of Expression builder[1102]
Description: [Regression]Missing the attribute binding in Current Data Cube of Expression builder[1102] Build number: 2.2.1.v20070830-1348 Steps to reproduce: 1, New a cube with some dimensions and some attribute 2, New a crosstab using the cube 3, Open the expression builder to find the binding of attribute Expected result: The attribute binding should be in the expression builder's Current Data Cube. Actual result: The attribute binding is missing
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ExpressionProvider.java
if ( filterList == null )
		{
			return;
		}
		filterList.clear( );
	}
	public boolean hasChildren( Object element )
	{
		if ( element instanceof PropertyHandle
				|| element instanceof TabularMeasureGroupHandle
				|| element instanceof TabularDimensionHandle
				|| element instanceof LevelHandle )
			return true;
		if ( adapterProvider != null )
		{
			return adapterProvider.hasChildren( element );
		}
		return false;
	}
	protected void initAdapterProvider( )
	{
		adapterProvider = null;
		Object adapter = ElementAdapterManager.getAdapter( this,
				IExpressionProvider.class );
		if ( adapter instanceof IExpressionProvider && adapter != this )
		{
			adapterProvider = (IExpressionProvider) adapter;
		}
	}
}