示例#1
0
		public static void CreateHistogram(WorksheetController ctrl)
		{
			var table = Altaxo.Analysis.Statistics.Histograms.HistogramCreation.CreateHistogramOnColumns(ctrl.DataTable, ctrl.SelectedDataColumns, ctrl.SelectedDataRows, Gui.UserInteractionLevel.InteractAlways);

			if (null != table && !Current.Project.DataTableCollection.Contains(table))
			{
				Current.Project.DataTableCollection.Add(table);

				// create a new worksheet without any columns
				Current.ProjectService.CreateNewWorksheet(table);
			}
		}
示例#2
0
		/// <summary>
		/// Shows the data source editor dialog. After sucessful execution of the dialog, the modified data source is stored back in the <see cref="DataTable"/>, and the data source is requeried.
		/// </summary>
		/// <param name="ctrl">The controller that controls the data table.</param>
		public static void ShowDataSourceEditor(WorksheetController ctrl)
		{
			var table = ctrl.DataTable;
			if (null == table || null == table.DataSource)
				return;

			bool sourceIsChanged = false;
			var originalDataSource = table.DataSource;
			var dataSource = (Data.IAltaxoTableDataSource)table.DataSource.Clone();

			var dataSourceController = (Altaxo.Gui.IMVCANController)Current.Gui.GetControllerAndControl(new object[] { dataSource }, typeof(Altaxo.Gui.IMVCANController), Gui.UseDocument.Directly);

			if (null == dataSourceController)
			{
				Current.Gui.ErrorMessageBox(string.Format("Sorry. There is no dialog available to edit the data source of type {0}", dataSource.GetType()), "No dialog available");
				return;
			}

			var controllerAsSupportApplyCallback = dataSourceController as Altaxo.Gui.IMVCSupportsApplyCallback;

			if (null != controllerAsSupportApplyCallback)
			{
				controllerAsSupportApplyCallback.SuccessfullyApplied += () => { sourceIsChanged = true; table.DataSource = dataSource; RequeryTableDataSource(ctrl); };
			}

			var result = Current.Gui.ShowDialog(dataSourceController, "Edit data source " + dataSource.GetType().ToString(), true);

			if (result == false) // user has cancelled the dialog
			{
				if (sourceIsChanged) // if source is changed, revert it
				{
					table.DataSource = originalDataSource;
					RequeryTableDataSource(ctrl);
				}
				return;
			}

			if (!sourceIsChanged) // controller might have forgotten to implement the SuccessfullyApplied event - thus we have to apply here
			{
				table.DataSource = dataSource;
				RequeryTableDataSource(ctrl);
			}
		}
示例#3
0
		/// <summary>
		/// Requeries the table data source.
		/// </summary>
		/// <param name="ctrl">The controller that controls the data table.</param>
		public static void RequeryTableDataSource(WorksheetController ctrl)
		{
			var table = ctrl.DataTable;
			if (null == table || null == table.DataSource)
				return;

			using (var suspendToken = table.SuspendGetToken())
			{
				try
				{
					table.DataSource.FillData(table);
				}
				catch (Exception ex)
				{
					table.Notes.WriteLine("Error during requerying the table data source: {0}", ex.Message);
				}

				if (!(null != table.DataSource)) throw new InvalidProgramException("table.DataSource.FillData should never set the data source to zero!");

				if (table.DataSource.ImportOptions.ExecuteTableScriptAfterImport && null != table.TableScript)
				{
					try
					{
						table.TableScript.Execute(table, new Altaxo.Main.Services.DummyBackgroundMonitor(), false);
					}
					catch (Exception ex)
					{
						table.Notes.WriteLine("Error during execution of the table script (after requerying the table data source: {0}", ex.Message);
					}
				}

				suspendToken.Resume();
			}
		}