Bug 190207 Integrate Aggregation builder with charts
Charts should be able to use aggregates in their databinding definition. The UI is missing the "Add Aggregation..." button in the chart databinding dialog.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ColumnBindingDialog.java
return dataSetName;
	}
	private List groupList = Collections.EMPTY_LIST;
	private String[] groups;
	protected Button btnDel;
	protected Button btnEdit;
	protected Button btnAdd;
	private PropertyHandle getParameterBindingPropertyHandle( )
	{
		return inputElement.getPropertyHandle( ReportItemHandle.PARAM_BINDINGS_PROP );
	}
	/*
	 * Set data for Group List
	 */
	public void setGroupList( List groupList )
	{
		Assert.isNotNull( groupList );
		this.groupList = groupList;
	}
	protected ExpressionProvider expressionProvider;
	private boolean isDataSetVisible;
	private CCombo combo;
	private Label label;
	private CLabel warnLabel;
	private Composite composite;
	public void setExpressionProvider( ExpressionProvider provider )
	{
		expressionProvider = provider;
	}
}