1 | #region License Information
|
---|
2 | /* HeuristicLab
|
---|
3 | * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
|
---|
4 | *
|
---|
5 | * This file is part of HeuristicLab.
|
---|
6 | *
|
---|
7 | * HeuristicLab is free software: you can redistribute it and/or modify
|
---|
8 | * it under the terms of the GNU General Public License as published by
|
---|
9 | * the Free Software Foundation, either version 3 of the License, or
|
---|
10 | * (at your option) any later version.
|
---|
11 | *
|
---|
12 | * HeuristicLab is distributed in the hope that it will be useful,
|
---|
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
---|
15 | * GNU General Public License for more details.
|
---|
16 | *
|
---|
17 | * You should have received a copy of the GNU General Public License
|
---|
18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
|
---|
19 | */
|
---|
20 | #endregion
|
---|
21 |
|
---|
22 | using System;
|
---|
23 | using System.Collections.Generic;
|
---|
24 | using System.Drawing;
|
---|
25 | using System.Linq;
|
---|
26 | using System.Windows.Forms;
|
---|
27 | using System.Windows.Forms.DataVisualization.Charting;
|
---|
28 | using HeuristicLab.Collections;
|
---|
29 | using HeuristicLab.Core.Views;
|
---|
30 | using HeuristicLab.DataPreprocessing.Implementations;
|
---|
31 | using HeuristicLab.MainForm;
|
---|
32 |
|
---|
33 | namespace HeuristicLab.Analysis.Views
|
---|
34 | {
|
---|
35 | [View("Preprocessing DataTable View")]
|
---|
36 | [Content(typeof(PreprocessingDataTable), false)]
|
---|
37 | public partial class PreprocessingDataTableView : ItemView, IConfigureableView
|
---|
38 | {
|
---|
39 | protected List<Series> invisibleSeries;
|
---|
40 | protected Dictionary<IObservableList<double>, DataRow> valuesRowsTable;
|
---|
41 |
|
---|
42 | public new PreprocessingDataTable Content
|
---|
43 | {
|
---|
44 | get { return (PreprocessingDataTable)base.Content; }
|
---|
45 | set { base.Content = value; }
|
---|
46 | }
|
---|
47 |
|
---|
48 | public List<double> classification { get; set; }
|
---|
49 |
|
---|
50 | public PreprocessingDataTableView()
|
---|
51 | {
|
---|
52 | InitializeComponent();
|
---|
53 | valuesRowsTable = new Dictionary<IObservableList<double>, DataRow>();
|
---|
54 | invisibleSeries = new List<Series>();
|
---|
55 | chart.CustomizeAllChartAreas();
|
---|
56 | chart.ChartAreas[0].CursorX.Interval = 1;
|
---|
57 | }
|
---|
58 |
|
---|
59 | #region Event Handler Registration
|
---|
60 | protected override void DeregisterContentEvents()
|
---|
61 | {
|
---|
62 | foreach (DataRow row in Content.Rows)
|
---|
63 | DeregisterDataRowEvents(row);
|
---|
64 | Content.VisualPropertiesChanged -= new EventHandler(Content_VisualPropertiesChanged);
|
---|
65 | Content.Rows.ItemsAdded -= new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsAdded);
|
---|
66 | Content.Rows.ItemsRemoved -= new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsRemoved);
|
---|
67 | Content.Rows.ItemsReplaced -= new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsReplaced);
|
---|
68 | Content.Rows.CollectionReset -= new CollectionItemsChangedEventHandler<DataRow>(Rows_CollectionReset);
|
---|
69 |
|
---|
70 | Content.SelectedRows.ItemsAdded -= new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsAdded);
|
---|
71 | Content.SelectedRows.ItemsRemoved -= new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsRemoved);
|
---|
72 | Content.SelectedRows.ItemsReplaced -= new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsReplaced);
|
---|
73 | Content.SelectedRows.CollectionReset -= new CollectionItemsChangedEventHandler<DataRow>(Rows_CollectionReset);
|
---|
74 | base.DeregisterContentEvents();
|
---|
75 | }
|
---|
76 | protected override void RegisterContentEvents()
|
---|
77 | {
|
---|
78 | base.RegisterContentEvents();
|
---|
79 | Content.VisualPropertiesChanged += new EventHandler(Content_VisualPropertiesChanged);
|
---|
80 | Content.Rows.ItemsAdded += new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsAdded);
|
---|
81 | Content.Rows.ItemsRemoved += new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsRemoved);
|
---|
82 | Content.Rows.ItemsReplaced += new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsReplaced);
|
---|
83 | Content.Rows.CollectionReset += new CollectionItemsChangedEventHandler<DataRow>(Rows_CollectionReset);
|
---|
84 |
|
---|
85 | Content.SelectedRows.ItemsAdded += new CollectionItemsChangedEventHandler<DataRow>(SelectedRows_ItemsAdded);
|
---|
86 | Content.SelectedRows.ItemsRemoved += new CollectionItemsChangedEventHandler<DataRow>(SelectedRows_ItemsRemoved);
|
---|
87 | Content.SelectedRows.ItemsReplaced += new CollectionItemsChangedEventHandler<DataRow>(SelectedRows_ItemsReplaced);
|
---|
88 | Content.SelectedRows.CollectionReset += new CollectionItemsChangedEventHandler<DataRow>(SelectedRows_CollectionReset);
|
---|
89 | }
|
---|
90 |
|
---|
91 |
|
---|
92 | protected virtual void RegisterDataRowEvents(DataRow row) {
|
---|
93 | row.NameChanged += new EventHandler(Row_NameChanged);
|
---|
94 | row.VisualPropertiesChanged += new EventHandler(Row_VisualPropertiesChanged);
|
---|
95 | valuesRowsTable.Add(row.Values, row);
|
---|
96 | row.Values.ItemsAdded += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsAdded);
|
---|
97 | row.Values.ItemsRemoved += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsRemoved);
|
---|
98 | row.Values.ItemsReplaced += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsReplaced);
|
---|
99 | row.Values.ItemsMoved += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsMoved);
|
---|
100 | row.Values.CollectionReset += new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_CollectionReset);
|
---|
101 | }
|
---|
102 | protected virtual void DeregisterDataRowEvents(DataRow row)
|
---|
103 | {
|
---|
104 | row.Values.ItemsAdded -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsAdded);
|
---|
105 | row.Values.ItemsRemoved -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsRemoved);
|
---|
106 | row.Values.ItemsReplaced -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsReplaced);
|
---|
107 | row.Values.ItemsMoved -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsMoved);
|
---|
108 | row.Values.CollectionReset -= new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_CollectionReset);
|
---|
109 | valuesRowsTable.Remove(row.Values);
|
---|
110 | row.VisualPropertiesChanged -= new EventHandler(Row_VisualPropertiesChanged);
|
---|
111 | row.NameChanged -= new EventHandler(Row_NameChanged);
|
---|
112 | }
|
---|
113 | #endregion
|
---|
114 |
|
---|
115 | protected override void OnContentChanged()
|
---|
116 | {
|
---|
117 | base.OnContentChanged();
|
---|
118 | invisibleSeries.Clear();
|
---|
119 | chart.ChartAreas[0].AxisX.Title = string.Empty;
|
---|
120 | chart.ChartAreas[0].AxisY.Title = string.Empty;
|
---|
121 | chart.ChartAreas[0].AxisY2.Title = string.Empty;
|
---|
122 | chart.Series.Clear();
|
---|
123 | if (Content != null)
|
---|
124 | {
|
---|
125 |
|
---|
126 | if (classification != null)
|
---|
127 | {
|
---|
128 | chart.Titles[0].Text = Content.Name;
|
---|
129 | }
|
---|
130 |
|
---|
131 | AddDataRows(Content.Rows);
|
---|
132 | AddSelectedDataRows(Content.SelectedRows);
|
---|
133 | ConfigureChartArea(chart.ChartAreas[0]);
|
---|
134 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
135 | }
|
---|
136 | }
|
---|
137 |
|
---|
138 | protected override void SetEnabledStateOfControls()
|
---|
139 | {
|
---|
140 | base.SetEnabledStateOfControls();
|
---|
141 | chart.Enabled = Content != null;
|
---|
142 | }
|
---|
143 |
|
---|
144 | public void ShowConfiguration()
|
---|
145 | {
|
---|
146 | if (Content != null)
|
---|
147 | {
|
---|
148 | using (var dialog = new DataTableVisualPropertiesDialog(Content))
|
---|
149 | {
|
---|
150 | dialog.ShowDialog(this);
|
---|
151 | }
|
---|
152 | }
|
---|
153 | else MessageBox.Show("Nothing to configure.");
|
---|
154 | }
|
---|
155 | protected virtual void AddDataRows(IEnumerable<DataRow> rows)
|
---|
156 | {
|
---|
157 | foreach (var row in rows)
|
---|
158 | {
|
---|
159 | RegisterDataRowEvents(row);
|
---|
160 | var series = new Series(row.Name);
|
---|
161 | if (row.VisualProperties.DisplayName.Trim() != String.Empty) series.LegendText = row.VisualProperties.DisplayName;
|
---|
162 | else series.LegendText = row.Name;
|
---|
163 | ConfigureSeries(series, row);
|
---|
164 | FillSeriesWithRowValues(series, row);
|
---|
165 |
|
---|
166 | if (classification == null)
|
---|
167 | {
|
---|
168 | chart.Series.Add(series);
|
---|
169 | }
|
---|
170 | }
|
---|
171 |
|
---|
172 | ConfigureChartArea(chart.ChartAreas[0]);
|
---|
173 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
174 | UpdateYCursorInterval();
|
---|
175 | }
|
---|
176 |
|
---|
177 | protected virtual void AddSelectedDataRows(IEnumerable<DataRow> rows) {
|
---|
178 |
|
---|
179 | // only paint selection for line chart
|
---|
180 | if (rows.Count() > 0 && rows.ElementAt(0).VisualProperties.ChartType == DataRowVisualProperties.DataRowChartType.Line)
|
---|
181 | {
|
---|
182 | // add dummy series for selction entry in legend
|
---|
183 | if (rows.Count() > 0 && chart.Series.FindByName("(Selection)") == null) {
|
---|
184 | Series series = new Series("(Selection)");
|
---|
185 | series.IsVisibleInLegend = true;
|
---|
186 | series.Color = Color.Green;
|
---|
187 | series.BorderWidth = 1;
|
---|
188 | series.BorderDashStyle = ChartDashStyle.Solid;
|
---|
189 | series.BorderColor = Color.Empty;
|
---|
190 | series.ChartType = SeriesChartType.FastLine;
|
---|
191 | chart.Series.Add(series);
|
---|
192 | }
|
---|
193 |
|
---|
194 | foreach (var row in rows) {
|
---|
195 | row.VisualProperties.IsVisibleInLegend = false;
|
---|
196 | row.VisualProperties.Color = Color.Green;
|
---|
197 | //add selected to name in order to avoid naming conflict
|
---|
198 | var series = new Series(row.Name + "(Selected)");
|
---|
199 | ConfigureSeries(series, row);
|
---|
200 | FillSeriesWithRowValues(series, row);
|
---|
201 |
|
---|
202 | if (classification == null) {
|
---|
203 | chart.Series.Add(series);
|
---|
204 | }
|
---|
205 | }
|
---|
206 | }
|
---|
207 | }
|
---|
208 |
|
---|
209 | protected virtual void RemoveSelectedDataRows(IEnumerable<DataRow> rows) {
|
---|
210 |
|
---|
211 | // only remove selection for line chart
|
---|
212 | if (rows.Count() > 0 && rows.ElementAt(0).VisualProperties.ChartType == DataRowVisualProperties.DataRowChartType.Line)
|
---|
213 | {
|
---|
214 | //remove selection entry in legend
|
---|
215 | if (Content.SelectedRows.Count == 0) {
|
---|
216 | Series series = chart.Series["(Selection)"];
|
---|
217 | chart.Series.Remove(series);
|
---|
218 | }
|
---|
219 |
|
---|
220 | foreach (var row in rows) {
|
---|
221 | Series series = chart.Series[row.Name + "(Selected)"];
|
---|
222 | chart.Series.Remove(series);
|
---|
223 | }
|
---|
224 | }
|
---|
225 | }
|
---|
226 |
|
---|
227 | protected virtual void RemoveDataRows(IEnumerable<DataRow> rows) {
|
---|
228 | foreach (var row in rows) {
|
---|
229 | DeregisterDataRowEvents(row);
|
---|
230 | Series series = chart.Series[row.Name];
|
---|
231 | chart.Series.Remove(series);
|
---|
232 | if (invisibleSeries.Contains(series))
|
---|
233 | invisibleSeries.Remove(series);
|
---|
234 | }
|
---|
235 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
236 | }
|
---|
237 |
|
---|
238 | private void ConfigureSeries(Series series, DataRow row)
|
---|
239 | {
|
---|
240 | RemoveCustomPropertyIfExists(series, "PointWidth");
|
---|
241 | series.BorderWidth = 1;
|
---|
242 | series.BorderDashStyle = ChartDashStyle.Solid;
|
---|
243 | series.BorderColor = Color.Empty;
|
---|
244 |
|
---|
245 | if (row.VisualProperties.Color != Color.Empty)
|
---|
246 | series.Color = row.VisualProperties.Color;
|
---|
247 | else series.Color = Color.Empty;
|
---|
248 | series.IsVisibleInLegend = row.VisualProperties.IsVisibleInLegend;
|
---|
249 |
|
---|
250 | switch (row.VisualProperties.ChartType) {
|
---|
251 | case DataRowVisualProperties.DataRowChartType.Line:
|
---|
252 | series.ChartType = SeriesChartType.FastLine;
|
---|
253 | series.BorderWidth = row.VisualProperties.LineWidth;
|
---|
254 | series.BorderDashStyle = ConvertLineStyle(row.VisualProperties.LineStyle);
|
---|
255 | break;
|
---|
256 | case DataRowVisualProperties.DataRowChartType.Bars:
|
---|
257 | // Bar is incompatible with anything but Bar and StackedBar*
|
---|
258 | if (!chart.Series.Any(x => x.ChartType != SeriesChartType.Bar && x.ChartType != SeriesChartType.StackedBar && x.ChartType != SeriesChartType.StackedBar100))
|
---|
259 | series.ChartType = SeriesChartType.Bar;
|
---|
260 | else
|
---|
261 | {
|
---|
262 | series.ChartType = SeriesChartType.FastPoint; //default
|
---|
263 | row.VisualProperties.ChartType = DataRowVisualProperties.DataRowChartType.Points;
|
---|
264 | }
|
---|
265 | break;
|
---|
266 | case DataRowVisualProperties.DataRowChartType.Columns:
|
---|
267 | series.ChartType = SeriesChartType.Column;
|
---|
268 | break;
|
---|
269 | case DataRowVisualProperties.DataRowChartType.Points:
|
---|
270 | series.ChartType = SeriesChartType.FastPoint;
|
---|
271 | break;
|
---|
272 | case DataRowVisualProperties.DataRowChartType.Histogram:
|
---|
273 | series.ChartType = SeriesChartType.StackedColumn;
|
---|
274 | series.SetCustomProperty("PointWidth", "1");
|
---|
275 | if (!series.Color.IsEmpty && series.Color.GetBrightness() < 0.25)
|
---|
276 | series.BorderColor = Color.White;
|
---|
277 | else series.BorderColor = Color.Black;
|
---|
278 | break;
|
---|
279 | case DataRowVisualProperties.DataRowChartType.StepLine:
|
---|
280 | series.ChartType = SeriesChartType.StepLine;
|
---|
281 | series.BorderWidth = row.VisualProperties.LineWidth;
|
---|
282 | series.BorderDashStyle = ConvertLineStyle(row.VisualProperties.LineStyle);
|
---|
283 | break;
|
---|
284 | default:
|
---|
285 | series.ChartType = SeriesChartType.FastPoint;
|
---|
286 | break;
|
---|
287 | }
|
---|
288 | series.YAxisType = row.VisualProperties.SecondYAxis ? AxisType.Secondary : AxisType.Primary;
|
---|
289 | series.XAxisType = row.VisualProperties.SecondXAxis ? AxisType.Secondary : AxisType.Primary;
|
---|
290 | if (row.VisualProperties.DisplayName.Trim() != String.Empty) series.LegendText = row.VisualProperties.DisplayName;
|
---|
291 | else series.LegendText = row.Name;
|
---|
292 |
|
---|
293 | string xAxisTitle = string.IsNullOrEmpty(Content.VisualProperties.XAxisTitle)
|
---|
294 | ? "X"
|
---|
295 | : Content.VisualProperties.XAxisTitle;
|
---|
296 | string yAxisTitle = string.IsNullOrEmpty(Content.VisualProperties.YAxisTitle)
|
---|
297 | ? "Y"
|
---|
298 | : Content.VisualProperties.YAxisTitle;
|
---|
299 | series.ToolTip =
|
---|
300 | series.LegendText + Environment.NewLine +
|
---|
301 | xAxisTitle + " = " + "#INDEX," + Environment.NewLine +
|
---|
302 | yAxisTitle + " = " + "#VAL";
|
---|
303 | }
|
---|
304 |
|
---|
305 | private void ConfigureChartArea(ChartArea area)
|
---|
306 | {
|
---|
307 | if (Content.VisualProperties.TitleFont != null) chart.Titles[0].Font = Content.VisualProperties.TitleFont;
|
---|
308 | if (!Content.VisualProperties.TitleColor.IsEmpty) chart.Titles[0].ForeColor = Content.VisualProperties.TitleColor;
|
---|
309 | chart.Titles[0].Text = Content.VisualProperties.Title;
|
---|
310 |
|
---|
311 | if (Content.VisualProperties.AxisTitleFont != null) area.AxisX.TitleFont = Content.VisualProperties.AxisTitleFont;
|
---|
312 | if (!Content.VisualProperties.AxisTitleColor.IsEmpty) area.AxisX.TitleForeColor = Content.VisualProperties.AxisTitleColor;
|
---|
313 | area.AxisX.Title = Content.VisualProperties.XAxisTitle;
|
---|
314 |
|
---|
315 | if (Content.VisualProperties.AxisTitleFont != null) area.AxisX2.TitleFont = Content.VisualProperties.AxisTitleFont;
|
---|
316 | if (!Content.VisualProperties.AxisTitleColor.IsEmpty) area.AxisX2.TitleForeColor = Content.VisualProperties.AxisTitleColor;
|
---|
317 | area.AxisX2.Title = Content.VisualProperties.SecondXAxisTitle;
|
---|
318 |
|
---|
319 | if (Content.VisualProperties.AxisTitleFont != null) area.AxisY.TitleFont = Content.VisualProperties.AxisTitleFont;
|
---|
320 | if (!Content.VisualProperties.AxisTitleColor.IsEmpty) area.AxisY.TitleForeColor = Content.VisualProperties.AxisTitleColor;
|
---|
321 | area.AxisY.Title = Content.VisualProperties.YAxisTitle;
|
---|
322 |
|
---|
323 | if (Content.VisualProperties.AxisTitleFont != null) area.AxisY2.TitleFont = Content.VisualProperties.AxisTitleFont;
|
---|
324 | if (!Content.VisualProperties.AxisTitleColor.IsEmpty) area.AxisY2.TitleForeColor = Content.VisualProperties.AxisTitleColor;
|
---|
325 | area.AxisY2.Title = Content.VisualProperties.SecondYAxisTitle;
|
---|
326 |
|
---|
327 | area.AxisX.IsLogarithmic = Content.VisualProperties.XAxisLogScale;
|
---|
328 | area.AxisX2.IsLogarithmic = Content.VisualProperties.SecondXAxisLogScale;
|
---|
329 | area.AxisY.IsLogarithmic = Content.VisualProperties.YAxisLogScale;
|
---|
330 | area.AxisY2.IsLogarithmic = Content.VisualProperties.SecondYAxisLogScale;
|
---|
331 | }
|
---|
332 |
|
---|
333 | private void RecalculateAxesScale(ChartArea area)
|
---|
334 | {
|
---|
335 | // Reset the axes bounds so that RecalculateAxesScale() will assign new bounds
|
---|
336 | foreach (Axis a in area.Axes)
|
---|
337 | {
|
---|
338 | a.Minimum = double.NaN;
|
---|
339 | a.Maximum = double.NaN;
|
---|
340 | }
|
---|
341 | area.RecalculateAxesScale();
|
---|
342 | area.AxisX.IsMarginVisible = false;
|
---|
343 | area.AxisX2.IsMarginVisible = false;
|
---|
344 |
|
---|
345 | if (!Content.VisualProperties.XAxisMinimumAuto && !double.IsNaN(Content.VisualProperties.XAxisMinimumFixedValue)) area.AxisX.Minimum = Content.VisualProperties.XAxisMinimumFixedValue;
|
---|
346 | if (!Content.VisualProperties.XAxisMaximumAuto && !double.IsNaN(Content.VisualProperties.XAxisMaximumFixedValue)) area.AxisX.Maximum = Content.VisualProperties.XAxisMaximumFixedValue;
|
---|
347 | if (!Content.VisualProperties.SecondXAxisMinimumAuto && !double.IsNaN(Content.VisualProperties.SecondXAxisMinimumFixedValue)) area.AxisX2.Minimum = Content.VisualProperties.SecondXAxisMinimumFixedValue;
|
---|
348 | if (!Content.VisualProperties.SecondXAxisMaximumAuto && !double.IsNaN(Content.VisualProperties.SecondXAxisMaximumFixedValue)) area.AxisX2.Maximum = Content.VisualProperties.SecondXAxisMaximumFixedValue;
|
---|
349 | if (!Content.VisualProperties.YAxisMinimumAuto && !double.IsNaN(Content.VisualProperties.YAxisMinimumFixedValue)) area.AxisY.Minimum = Content.VisualProperties.YAxisMinimumFixedValue;
|
---|
350 | if (!Content.VisualProperties.YAxisMaximumAuto && !double.IsNaN(Content.VisualProperties.YAxisMaximumFixedValue)) area.AxisY.Maximum = Content.VisualProperties.YAxisMaximumFixedValue;
|
---|
351 | if (!Content.VisualProperties.SecondYAxisMinimumAuto && !double.IsNaN(Content.VisualProperties.SecondYAxisMinimumFixedValue)) area.AxisY2.Minimum = Content.VisualProperties.SecondYAxisMinimumFixedValue;
|
---|
352 | if (!Content.VisualProperties.SecondYAxisMaximumAuto && !double.IsNaN(Content.VisualProperties.SecondYAxisMaximumFixedValue)) area.AxisY2.Maximum = Content.VisualProperties.SecondYAxisMaximumFixedValue;
|
---|
353 | if (area.AxisX.Minimum >= area.AxisX.Maximum) area.AxisX.Maximum = area.AxisX.Minimum + 1;
|
---|
354 | if (area.AxisX2.Minimum >= area.AxisX2.Maximum) area.AxisX2.Maximum = area.AxisX2.Minimum + 1;
|
---|
355 | if (area.AxisY.Minimum >= area.AxisY.Maximum) area.AxisY.Maximum = area.AxisY.Minimum + 1;
|
---|
356 | if (area.AxisY2.Minimum >= area.AxisY2.Maximum) area.AxisY2.Maximum = area.AxisY2.Minimum + 1;
|
---|
357 | }
|
---|
358 |
|
---|
359 | protected virtual void UpdateYCursorInterval()
|
---|
360 | {
|
---|
361 | double interestingValuesRange = (
|
---|
362 | from series in chart.Series
|
---|
363 | where series.Enabled
|
---|
364 | let values = (from point in series.Points
|
---|
365 | where !point.IsEmpty
|
---|
366 | select point.YValues[0]).DefaultIfEmpty(1.0)
|
---|
367 | let range = values.Max() - values.Min()
|
---|
368 | where range > 0.0
|
---|
369 | select range
|
---|
370 | ).DefaultIfEmpty(1.0).Min();
|
---|
371 |
|
---|
372 | double digits = (int)Math.Log10(interestingValuesRange) - 3;
|
---|
373 | double yZoomInterval = Math.Pow(10, digits);
|
---|
374 | this.chart.ChartAreas[0].CursorY.Interval = yZoomInterval;
|
---|
375 | }
|
---|
376 |
|
---|
377 | #region Event Handlers
|
---|
378 | #region Content Event Handlers
|
---|
379 | private void Content_VisualPropertiesChanged(object sender, EventArgs e)
|
---|
380 | {
|
---|
381 | if (InvokeRequired)
|
---|
382 | Invoke(new EventHandler(Content_VisualPropertiesChanged), sender, e);
|
---|
383 | else
|
---|
384 | {
|
---|
385 | ConfigureChartArea(chart.ChartAreas[0]);
|
---|
386 | RecalculateAxesScale(chart.ChartAreas[0]); // axes min/max could have changed
|
---|
387 | }
|
---|
388 | }
|
---|
389 | #endregion
|
---|
390 | #region Rows Event Handlers
|
---|
391 |
|
---|
392 | private void SelectedRows_CollectionReset(object sender, CollectionItemsChangedEventArgs<DataRow> e) {
|
---|
393 | if (InvokeRequired)
|
---|
394 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsReplaced), sender, e);
|
---|
395 | else {
|
---|
396 | RemoveSelectedDataRows(e.OldItems);
|
---|
397 | AddSelectedDataRows(e.Items);
|
---|
398 | }
|
---|
399 | }
|
---|
400 |
|
---|
401 | private void SelectedRows_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<DataRow> e) {
|
---|
402 | if (InvokeRequired)
|
---|
403 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsReplaced), sender, e);
|
---|
404 | else {
|
---|
405 | RemoveSelectedDataRows(e.OldItems);
|
---|
406 | AddSelectedDataRows(e.Items);
|
---|
407 | }
|
---|
408 | }
|
---|
409 |
|
---|
410 | private void SelectedRows_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<DataRow> e) {
|
---|
411 | if (InvokeRequired)
|
---|
412 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsRemoved), sender, e);
|
---|
413 | else {
|
---|
414 | RemoveSelectedDataRows(e.Items);
|
---|
415 | }
|
---|
416 | }
|
---|
417 |
|
---|
418 | private void SelectedRows_ItemsAdded(object sender, CollectionItemsChangedEventArgs<DataRow> e) {
|
---|
419 | if (InvokeRequired)
|
---|
420 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsAdded), sender, e);
|
---|
421 | else {
|
---|
422 | AddSelectedDataRows(e.Items);
|
---|
423 | }
|
---|
424 | }
|
---|
425 |
|
---|
426 |
|
---|
427 | private void Rows_ItemsAdded(object sender, CollectionItemsChangedEventArgs<DataRow> e) {
|
---|
428 | if (InvokeRequired)
|
---|
429 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsAdded), sender, e);
|
---|
430 | else
|
---|
431 | {
|
---|
432 | AddDataRows(e.Items);
|
---|
433 | }
|
---|
434 | }
|
---|
435 | private void Rows_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<DataRow> e)
|
---|
436 | {
|
---|
437 | if (InvokeRequired)
|
---|
438 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsRemoved), sender, e);
|
---|
439 | else
|
---|
440 | {
|
---|
441 | RemoveDataRows(e.Items);
|
---|
442 | }
|
---|
443 | }
|
---|
444 | private void Rows_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<DataRow> e)
|
---|
445 | {
|
---|
446 | if (InvokeRequired)
|
---|
447 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_ItemsReplaced), sender, e);
|
---|
448 | else
|
---|
449 | {
|
---|
450 | RemoveDataRows(e.OldItems);
|
---|
451 | AddDataRows(e.Items);
|
---|
452 | }
|
---|
453 | }
|
---|
454 | private void Rows_CollectionReset(object sender, CollectionItemsChangedEventArgs<DataRow> e)
|
---|
455 | {
|
---|
456 | if (InvokeRequired)
|
---|
457 | Invoke(new CollectionItemsChangedEventHandler<DataRow>(Rows_CollectionReset), sender, e);
|
---|
458 | else
|
---|
459 | {
|
---|
460 | RemoveDataRows(e.OldItems);
|
---|
461 | AddDataRows(e.Items);
|
---|
462 | }
|
---|
463 | }
|
---|
464 | #endregion
|
---|
465 | #region Row Event Handlers
|
---|
466 | private void Row_VisualPropertiesChanged(object sender, EventArgs e)
|
---|
467 | {
|
---|
468 | if (InvokeRequired)
|
---|
469 | Invoke(new EventHandler(Row_VisualPropertiesChanged), sender, e);
|
---|
470 | else
|
---|
471 | {
|
---|
472 | DataRow row = (DataRow)sender;
|
---|
473 | Series series = chart.Series[row.Name];
|
---|
474 | series.Points.Clear();
|
---|
475 | ConfigureSeries(series, row);
|
---|
476 | FillSeriesWithRowValues(series, row);
|
---|
477 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
478 | }
|
---|
479 | }
|
---|
480 | private void Row_NameChanged(object sender, EventArgs e)
|
---|
481 | {
|
---|
482 | if (InvokeRequired)
|
---|
483 | Invoke(new EventHandler(Row_NameChanged), sender, e);
|
---|
484 | else
|
---|
485 | {
|
---|
486 | DataRow row = (DataRow)sender;
|
---|
487 | chart.Series[row.Name].Name = row.Name;
|
---|
488 | }
|
---|
489 | }
|
---|
490 | #endregion
|
---|
491 | #region Values Event Handlers
|
---|
492 | private void Values_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e)
|
---|
493 | {
|
---|
494 | if (InvokeRequired)
|
---|
495 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsAdded), sender, e);
|
---|
496 | else
|
---|
497 | {
|
---|
498 | DataRow row = null;
|
---|
499 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
|
---|
500 | if (row != null)
|
---|
501 | {
|
---|
502 | Series rowSeries = chart.Series[row.Name];
|
---|
503 | if (!invisibleSeries.Contains(rowSeries))
|
---|
504 | {
|
---|
505 | rowSeries.Points.Clear();
|
---|
506 | FillSeriesWithRowValues(rowSeries, row);
|
---|
507 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
508 | UpdateYCursorInterval();
|
---|
509 | }
|
---|
510 | }
|
---|
511 | }
|
---|
512 | }
|
---|
513 | private void Values_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e)
|
---|
514 | {
|
---|
515 | if (InvokeRequired)
|
---|
516 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsRemoved), sender, e);
|
---|
517 | else
|
---|
518 | {
|
---|
519 | DataRow row = null;
|
---|
520 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
|
---|
521 | if (row != null)
|
---|
522 | {
|
---|
523 | Series rowSeries = chart.Series[row.Name];
|
---|
524 | if (!invisibleSeries.Contains(rowSeries))
|
---|
525 | {
|
---|
526 | rowSeries.Points.Clear();
|
---|
527 | FillSeriesWithRowValues(rowSeries, row);
|
---|
528 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
529 | UpdateYCursorInterval();
|
---|
530 | }
|
---|
531 | }
|
---|
532 | }
|
---|
533 | }
|
---|
534 | private void Values_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e)
|
---|
535 | {
|
---|
536 | if (InvokeRequired)
|
---|
537 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsReplaced), sender, e);
|
---|
538 | else
|
---|
539 | {
|
---|
540 | DataRow row = null;
|
---|
541 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
|
---|
542 | if (row != null)
|
---|
543 | {
|
---|
544 | Series rowSeries = chart.Series[row.Name];
|
---|
545 | if (!invisibleSeries.Contains(rowSeries))
|
---|
546 | {
|
---|
547 | if (row.VisualProperties.ChartType == DataRowVisualProperties.DataRowChartType.Histogram)
|
---|
548 | {
|
---|
549 | rowSeries.Points.Clear();
|
---|
550 | FillSeriesWithRowValues(rowSeries, row);
|
---|
551 | }
|
---|
552 | else
|
---|
553 | {
|
---|
554 | foreach (IndexedItem<double> item in e.Items)
|
---|
555 | {
|
---|
556 | if (IsInvalidValue(item.Value))
|
---|
557 | rowSeries.Points[item.Index].IsEmpty = true;
|
---|
558 | else
|
---|
559 | {
|
---|
560 | rowSeries.Points[item.Index].YValues = new double[] { item.Value };
|
---|
561 | rowSeries.Points[item.Index].IsEmpty = false;
|
---|
562 | }
|
---|
563 | }
|
---|
564 | }
|
---|
565 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
566 | UpdateYCursorInterval();
|
---|
567 | }
|
---|
568 | }
|
---|
569 | }
|
---|
570 | }
|
---|
571 | private void Values_ItemsMoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e)
|
---|
572 | {
|
---|
573 | if (InvokeRequired)
|
---|
574 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_ItemsMoved), sender, e);
|
---|
575 | else
|
---|
576 | {
|
---|
577 | DataRow row = null;
|
---|
578 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
|
---|
579 | if (row != null)
|
---|
580 | {
|
---|
581 | Series rowSeries = chart.Series[row.Name];
|
---|
582 | if (!invisibleSeries.Contains(rowSeries))
|
---|
583 | {
|
---|
584 | rowSeries.Points.Clear();
|
---|
585 | FillSeriesWithRowValues(rowSeries, row);
|
---|
586 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
587 | UpdateYCursorInterval();
|
---|
588 | }
|
---|
589 | }
|
---|
590 | }
|
---|
591 | }
|
---|
592 |
|
---|
593 | private void Values_CollectionReset(object sender, CollectionItemsChangedEventArgs<IndexedItem<double>> e)
|
---|
594 | {
|
---|
595 | if (InvokeRequired)
|
---|
596 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<double>>(Values_CollectionReset), sender, e);
|
---|
597 | else
|
---|
598 | {
|
---|
599 | DataRow row = null;
|
---|
600 | valuesRowsTable.TryGetValue((IObservableList<double>)sender, out row);
|
---|
601 | if (row != null)
|
---|
602 | {
|
---|
603 | Series rowSeries = chart.Series[row.Name];
|
---|
604 | if (!invisibleSeries.Contains(rowSeries))
|
---|
605 | {
|
---|
606 | rowSeries.Points.Clear();
|
---|
607 | FillSeriesWithRowValues(rowSeries, row);
|
---|
608 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
609 | UpdateYCursorInterval();
|
---|
610 | }
|
---|
611 | }
|
---|
612 | }
|
---|
613 | }
|
---|
614 | #endregion
|
---|
615 | #endregion
|
---|
616 |
|
---|
617 | #region Chart Event Handlers
|
---|
618 | private void chart_MouseDown(object sender, MouseEventArgs e)
|
---|
619 | {
|
---|
620 | HitTestResult result = chart.HitTest(e.X, e.Y);
|
---|
621 | if (result.ChartElementType == ChartElementType.LegendItem)
|
---|
622 | {
|
---|
623 | ToggleSeriesVisible(result.Series);
|
---|
624 | }
|
---|
625 | }
|
---|
626 | private void chart_MouseMove(object sender, MouseEventArgs e)
|
---|
627 | {
|
---|
628 | HitTestResult result = chart.HitTest(e.X, e.Y);
|
---|
629 | if (result.ChartElementType == ChartElementType.LegendItem)
|
---|
630 | this.Cursor = Cursors.Hand;
|
---|
631 | else
|
---|
632 | this.Cursor = Cursors.Default;
|
---|
633 | }
|
---|
634 | private void chart_CustomizeLegend(object sender, CustomizeLegendEventArgs e)
|
---|
635 | {
|
---|
636 | foreach (LegendItem legendItem in e.LegendItems)
|
---|
637 | {
|
---|
638 | var series = chart.Series[legendItem.SeriesName];
|
---|
639 | if (series != null)
|
---|
640 | {
|
---|
641 | bool seriesIsInvisible = invisibleSeries.Contains(series);
|
---|
642 | foreach (LegendCell cell in legendItem.Cells)
|
---|
643 | {
|
---|
644 | cell.ForeColor = seriesIsInvisible ? Color.Gray : Color.Black;
|
---|
645 | }
|
---|
646 | }
|
---|
647 | }
|
---|
648 | }
|
---|
649 | #endregion
|
---|
650 |
|
---|
651 | private void ToggleSeriesVisible(Series series)
|
---|
652 | {
|
---|
653 |
|
---|
654 | if (!Content.Rows.Any(x => x.Name == series.Name))
|
---|
655 | return;
|
---|
656 |
|
---|
657 | if (!invisibleSeries.Contains(series))
|
---|
658 | {
|
---|
659 | series.Points.Clear();
|
---|
660 | invisibleSeries.Add(series);
|
---|
661 | }
|
---|
662 | else
|
---|
663 | {
|
---|
664 | invisibleSeries.Remove(series);
|
---|
665 | if (Content != null)
|
---|
666 | {
|
---|
667 |
|
---|
668 | var row = (from r in Content.Rows
|
---|
669 | where r.Name == series.Name
|
---|
670 | select r).Single();
|
---|
671 | FillSeriesWithRowValues(series, row);
|
---|
672 | this.chart.Legends[series.Legend].ForeColor = Color.Black;
|
---|
673 | RecalculateAxesScale(chart.ChartAreas[0]);
|
---|
674 | UpdateYCursorInterval();
|
---|
675 | }
|
---|
676 | }
|
---|
677 | }
|
---|
678 |
|
---|
679 | private void FillSeriesWithRowValues(Series series, DataRow row)
|
---|
680 | {
|
---|
681 | switch (row.VisualProperties.ChartType)
|
---|
682 | {
|
---|
683 | case DataRowVisualProperties.DataRowChartType.Histogram:
|
---|
684 | CalculateHistogram(series, row);
|
---|
685 | break;
|
---|
686 | default:
|
---|
687 | {
|
---|
688 | bool yLogarithmic = series.YAxisType == AxisType.Primary
|
---|
689 | ? Content.VisualProperties.YAxisLogScale
|
---|
690 | : Content.VisualProperties.SecondYAxisLogScale;
|
---|
691 | bool xLogarithmic = series.XAxisType == AxisType.Primary
|
---|
692 | ? Content.VisualProperties.XAxisLogScale
|
---|
693 | : Content.VisualProperties.SecondXAxisLogScale;
|
---|
694 | for (int i = 0; i < row.Values.Count; i++)
|
---|
695 | {
|
---|
696 | var value = row.Values[i];
|
---|
697 | var point = new DataPoint();
|
---|
698 | point.XValue = row.VisualProperties.StartIndexZero && !xLogarithmic ? i : i + 1;
|
---|
699 | if (IsInvalidValue(value) || (yLogarithmic && value <= 0))
|
---|
700 | point.IsEmpty = true;
|
---|
701 | else
|
---|
702 | point.YValues = new double[] { value };
|
---|
703 | series.Points.Add(point);
|
---|
704 | }
|
---|
705 | }
|
---|
706 | break;
|
---|
707 | }
|
---|
708 | }
|
---|
709 |
|
---|
710 | // get minimum ignores nan values
|
---|
711 | private double GetMinimum(IEnumerable<double> values) {
|
---|
712 | double min = Double.MaxValue;
|
---|
713 |
|
---|
714 | foreach (double value in values)
|
---|
715 | {
|
---|
716 | if (!Double.IsNaN(value) && value < min)
|
---|
717 | min = value;
|
---|
718 | }
|
---|
719 | return min;
|
---|
720 | }
|
---|
721 |
|
---|
722 | //get maximium ignores nan values
|
---|
723 | private double GetMaximum(IEnumerable<double> values)
|
---|
724 | {
|
---|
725 | double max = Double.MinValue;
|
---|
726 |
|
---|
727 | foreach (double value in values)
|
---|
728 | {
|
---|
729 | if (!Double.IsNaN(value) && value > max)
|
---|
730 | max = value;
|
---|
731 | }
|
---|
732 | return max;
|
---|
733 | }
|
---|
734 |
|
---|
735 | protected virtual void CalculateHistogram(Series series, DataRow row)
|
---|
736 | {
|
---|
737 | if (classification != null)
|
---|
738 | {
|
---|
739 |
|
---|
740 | var qry = row.Values.Select((i, index) => new { i, j = classification[index] })
|
---|
741 | .GroupBy((x) => x.j).ToDictionary(x => x.Key, x => x.Select(v => v.i).ToList());
|
---|
742 | chart.Titles.Add(row.Name);
|
---|
743 | foreach (KeyValuePair<double, List<double>> entry in qry)
|
---|
744 | {
|
---|
745 | var s = new Series(row.Name + entry.Key);
|
---|
746 |
|
---|
747 | ConfigureSeries(s, row);
|
---|
748 | AddPointsToHistogramSeries(s, row, entry.Value);
|
---|
749 |
|
---|
750 | s.LegendText = entry.Key.ToString();
|
---|
751 |
|
---|
752 | chart.Series.Add(s);
|
---|
753 | }
|
---|
754 | }
|
---|
755 | else
|
---|
756 | {
|
---|
757 | series.Points.Clear();
|
---|
758 | ConfigureSeries(series, row);
|
---|
759 | AddPointsToHistogramSeries(series, row, null);
|
---|
760 | }
|
---|
761 | }
|
---|
762 |
|
---|
763 | private void AddPointsToHistogramSeries(Series series, DataRow row, List<double> values)
|
---|
764 | {
|
---|
765 |
|
---|
766 | if (!row.Values.Any()) return;
|
---|
767 | int bins = row.VisualProperties.Bins;
|
---|
768 |
|
---|
769 | double minValue = GetMinimum(row.Values);
|
---|
770 | double maxValue = GetMaximum(row.Values);
|
---|
771 | double intervalWidth = (maxValue - minValue) / bins;
|
---|
772 | if (intervalWidth < 0) return;
|
---|
773 | if (intervalWidth == 0)
|
---|
774 | {
|
---|
775 | series.Points.AddXY(minValue, row.Values.Count);
|
---|
776 | return;
|
---|
777 | }
|
---|
778 |
|
---|
779 |
|
---|
780 | if (!row.VisualProperties.ExactBins) {
|
---|
781 | intervalWidth = HumanRoundRange(intervalWidth);
|
---|
782 | minValue = Math.Floor(minValue / intervalWidth) * intervalWidth;
|
---|
783 | maxValue = Math.Ceiling(maxValue / intervalWidth) * intervalWidth;
|
---|
784 | }
|
---|
785 |
|
---|
786 | double intervalCenter = intervalWidth / 2;
|
---|
787 |
|
---|
788 | double min = 0.0, max = 0.0;
|
---|
789 | if (!Double.IsNaN(Content.VisualProperties.XAxisMinimumFixedValue) && !Content.VisualProperties.XAxisMinimumAuto)
|
---|
790 | min = Content.VisualProperties.XAxisMinimumFixedValue;
|
---|
791 | else min = minValue;
|
---|
792 | if (!Double.IsNaN(Content.VisualProperties.XAxisMaximumFixedValue) && !Content.VisualProperties.XAxisMaximumAuto)
|
---|
793 | max = Content.VisualProperties.XAxisMaximumFixedValue;
|
---|
794 | else max = maxValue + intervalWidth;
|
---|
795 |
|
---|
796 | double axisInterval = intervalWidth / row.VisualProperties.ScaleFactor;
|
---|
797 |
|
---|
798 | var area = chart.ChartAreas[0];
|
---|
799 | area.AxisX.Interval = axisInterval;
|
---|
800 |
|
---|
801 | series.SetCustomProperty("PointWidth", "1"); // 0.8 is the default value
|
---|
802 |
|
---|
803 | // get the range or intervals which define the grouping of the frequency values
|
---|
804 | var doubleRange = DoubleRange(min, max, intervalWidth).Skip(1).ToList();
|
---|
805 |
|
---|
806 |
|
---|
807 | if (values == null) {
|
---|
808 | values = row.Values.ToList(); ;
|
---|
809 | }
|
---|
810 |
|
---|
811 | // aggregate the row values by unique key and frequency value
|
---|
812 | var valueFrequencies = (from v in values
|
---|
813 | where !IsInvalidValue(v)
|
---|
814 | orderby v
|
---|
815 | group v by v into g
|
---|
816 | select new Tuple<double, double>(g.First(), g.Count())).ToList();
|
---|
817 |
|
---|
818 | // shift the chart to the left so the bars are placed on the intervals
|
---|
819 | if (classification != null || valueFrequencies.First().Item1 < doubleRange.First()) {
|
---|
820 | series.Points.Add(new DataPoint(min - intervalWidth, 0));
|
---|
821 | series.Points.Add(new DataPoint(max + intervalWidth, 0));
|
---|
822 | }
|
---|
823 |
|
---|
824 | // add data points
|
---|
825 | int j = 0;
|
---|
826 | foreach (var d in doubleRange)
|
---|
827 | {
|
---|
828 | double sum = 0.0;
|
---|
829 | // sum the frequency values that fall within the same interval
|
---|
830 | while (j < valueFrequencies.Count && valueFrequencies[j].Item1 < d)
|
---|
831 | {
|
---|
832 | sum += valueFrequencies[j].Item2;
|
---|
833 | ++j;
|
---|
834 | }
|
---|
835 | string xAxisTitle = string.IsNullOrEmpty(Content.VisualProperties.XAxisTitle)
|
---|
836 | ? "X"
|
---|
837 | : Content.VisualProperties.XAxisTitle;
|
---|
838 | string yAxisTitle = string.IsNullOrEmpty(Content.VisualProperties.YAxisTitle)
|
---|
839 | ? "Y"
|
---|
840 | : Content.VisualProperties.YAxisTitle;
|
---|
841 | series.Points.Add(new DataPoint(d - intervalCenter, sum)
|
---|
842 | {
|
---|
843 | ToolTip =
|
---|
844 | xAxisTitle + ": [" + (d - intervalWidth) + "-" + d + ")" + Environment.NewLine +
|
---|
845 | yAxisTitle + ": " + sum
|
---|
846 | });
|
---|
847 | }
|
---|
848 | }
|
---|
849 |
|
---|
850 | #region Helpers
|
---|
851 | public static IEnumerable<double> DoubleRange(double min, double max, double step)
|
---|
852 | {
|
---|
853 | double i;
|
---|
854 | for (i = min; i <= max; i += step)
|
---|
855 | yield return i;
|
---|
856 |
|
---|
857 | if (i != max + step)
|
---|
858 | yield return i;
|
---|
859 | }
|
---|
860 |
|
---|
861 | protected void RemoveCustomPropertyIfExists(Series series, string property)
|
---|
862 | {
|
---|
863 | if (series.IsCustomPropertySet(property)) series.DeleteCustomProperty(property);
|
---|
864 | }
|
---|
865 |
|
---|
866 | private double HumanRoundRange(double range)
|
---|
867 | {
|
---|
868 | double base10 = Math.Pow(10.0, Math.Floor(Math.Log10(range)));
|
---|
869 | double rounding = range / base10;
|
---|
870 | if (rounding <= 1.5) rounding = 1;
|
---|
871 | else if (rounding <= 2.25) rounding = 2;
|
---|
872 | else if (rounding <= 3.75) rounding = 2.5;
|
---|
873 | else if (rounding <= 7.5) rounding = 5;
|
---|
874 | else rounding = 10;
|
---|
875 | return rounding * base10;
|
---|
876 | }
|
---|
877 |
|
---|
878 | private double HumanRoundMax(double max)
|
---|
879 | {
|
---|
880 | double base10;
|
---|
881 | if (max > 0) base10 = Math.Pow(10.0, Math.Floor(Math.Log10(max)));
|
---|
882 | else base10 = Math.Pow(10.0, Math.Ceiling(Math.Log10(-max)));
|
---|
883 | double rounding = (max > 0) ? base10 : -base10;
|
---|
884 | while (rounding < max) rounding += base10;
|
---|
885 | return rounding;
|
---|
886 | }
|
---|
887 |
|
---|
888 | private ChartDashStyle ConvertLineStyle(DataRowVisualProperties.DataRowLineStyle dataRowLineStyle)
|
---|
889 | {
|
---|
890 | switch (dataRowLineStyle)
|
---|
891 | {
|
---|
892 | case DataRowVisualProperties.DataRowLineStyle.Dash:
|
---|
893 | return ChartDashStyle.Dash;
|
---|
894 | case DataRowVisualProperties.DataRowLineStyle.DashDot:
|
---|
895 | return ChartDashStyle.DashDot;
|
---|
896 | case DataRowVisualProperties.DataRowLineStyle.DashDotDot:
|
---|
897 | return ChartDashStyle.DashDotDot;
|
---|
898 | case DataRowVisualProperties.DataRowLineStyle.Dot:
|
---|
899 | return ChartDashStyle.Dot;
|
---|
900 | case DataRowVisualProperties.DataRowLineStyle.NotSet:
|
---|
901 | return ChartDashStyle.NotSet;
|
---|
902 | case DataRowVisualProperties.DataRowLineStyle.Solid:
|
---|
903 | return ChartDashStyle.Solid;
|
---|
904 | default:
|
---|
905 | return ChartDashStyle.NotSet;
|
---|
906 | }
|
---|
907 | }
|
---|
908 |
|
---|
909 | protected static bool IsInvalidValue(double x)
|
---|
910 | {
|
---|
911 | return double.IsNaN(x) || x < (double)decimal.MinValue || x > (double)decimal.MaxValue;
|
---|
912 | }
|
---|
913 | #endregion
|
---|
914 | }
|
---|
915 | }
|
---|