Bug 182664 Cross Tab: resize column doesn't behave correctly
When user drag to resize a column, it supposes to effect on the left column only. Currently when user drag to resize column, many other columns are resized too, unexpectedly.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/editparts/TableEditPart.java
* @see org.eclipse.birt.report.designer.internal.ui.editors.schematic.editparts.DummyEditpart#createEditPolicies()
		 */
		protected void createEditPolicies( )
		{
			ReportComponentEditPolicy policy = new ReportComponentEditPolicy( ) {
				protected org.eclipse.gef.commands.Command createDeleteCommand(
						GroupRequest deleteRequest )
				{
					DeleteColumnCommand command = new DeleteColumnCommand( getModel( ) );
					return command;
				}
			};
			installEditPolicy( EditPolicy.COMPONENT_ROLE, policy );
		}
		public int getColumnNumber( )
		{
			ColumnHandleAdapter adapt = HandleAdapterFactory.getInstance( )
					.getColumnHandleAdapter( getModel( ) );
			if ( adapt.getTableParent( ) == null )
			{
				return -1;
			}
			return adapt.getColumnNumber( );
		}
	}
	/**
	 * The class use for select row in table.
	 * 
	 */
	public static class DummyRowEditPart extends DummyEditpart