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
{
	private static final String MSG_ADD = Messages.getString( "ColumnBindingDialog.Text.Add" );
	private static final String MSG_EDIT = Messages.getString( "ColumnBindingDialog.Text.Edit" );
	private static final String MSG_DELETE = Messages.getString( "ColumnBindingDialog.Text.Del" );
	private static final String DEFAULT_COLUMN_NAME = "[result_set_col_name]"; 
	private static final String dummyChoice = "dummy"; 
	public static final String DEFAULT_DLG_TITLE = Messages.getString( "ColumnBindingDialog.DialogTitle" ); 
	private static final String ALL = Messages.getString( "ColumnBindingDialog.All" );
	private static final String NONE_AGGREGATEON = Messages.getString( "ColumnBindingDialog.AGGREGATEON.NONE" );
	private static final String CHOICE_FROM_CONTAINER = Messages.getString( "ColumnBindingDialog.Choice.FromContainer" );
	private static final String CHOICE_NONE = Messages.getString( "ColumnBindingDialog.NONE" );
	private static final String LABEL_COLUMN_BINDINGS = Messages.getString( "ColumnBindingDialog.Label.DataSet" ); 
	private static final String WARN_COLUMN_BINDINGS = Messages.getString( "ColumnBingingDialog.Label.Warn" ); 
	
	
	private static final String COLUMN_NAME = Messages.getString( "ColumnBindingDialog.Column.Name" ); 
	private static final String COLUMN_DISPLAYNAME = Messages.getString( "ColumnBindingDialog.Column.displayName" );
	private static final String COLUMN_DATATYPE = Messages.getString( "ColumnBindingDialog.Column.DataType" ); 
	private static final String COLUMN_EXPRESSION = Messages.getString( "ColumnBindingDialog.Column.Expression" ); 
	private static final String COLUMN_AGGREGATEON = Messages.getString( "ColumnBindingDialog.Column.AggregateOn" ); 
	private static final String INPUT_PROPMT = Messages.getString( "ColumnBindingDialog.InputPrompt" ); 
	private static final IChoiceSet DATA_TYPE_CHOICE_SET = DEUtil.getMetaDataDictionary( )