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
* The text to insert into the source viewer
		 */
		public String insertString;
		Expression( String symbol, String insertString, String tooltip )
		{
			assert ( symbol != null );
			this.symbol = symbol;
			if ( insertString == null )
			{
				this.insertString = symbol;
			}
			else
			{
				this.insertString = insertString;
			}
			this.tooltip = tooltip;
		}
	}
	
	protected static final Operator[] OPERATORS_ASSIGNMENT = new Operator[]{
			new Operator( "=", Messages.getString( "ExpressionProvider.Operator.Assign" ) ), 
			new Operator( "+=", Messages.getString( "ExpressionProvider.Operator.AddTo" ) ), 
			new Operator( "-=", Messages.getString( "ExpressionProvider.Operator.SubFrom" ) ), 
			new Operator( "*=", Messages.getString( "ExpressionProvider.Operator.MultTo" ) ), 
			new Operator( "/=", Messages.getString( "ExpressionProvider.Operator.DividingFrom" ) ), 
	};
	
	protected static Operator[] OPERATORS_COMPARISON = new Operator[]{
			new Operator( "==", Messages.getString( "ExpressionProvider.Operator.Equals" ) ), 
			new Operator( "<", Messages.getString( "ExpressionProvider.Operator.Less" ) ),