1 | using System;
|
---|
2 | using System.Collections.Generic;
|
---|
3 | using System.Drawing;
|
---|
4 | using System.Drawing.Drawing2D;
|
---|
5 | using System.Windows.Forms;
|
---|
6 | using HeuristicLab.Core;
|
---|
7 | using HeuristicLab.Visualization.DataExport;
|
---|
8 | using HeuristicLab.Visualization.Drawing;
|
---|
9 | using HeuristicLab.Visualization.Legend;
|
---|
10 | using HeuristicLab.Visualization.Options;
|
---|
11 | using HeuristicLab.Visualization.Test;
|
---|
12 |
|
---|
13 | namespace HeuristicLab.Visualization {
|
---|
14 | public partial class LineChart : ViewBase {
|
---|
15 | private readonly IChartDataRowsModel model;
|
---|
16 | private readonly Canvas canvas;
|
---|
17 |
|
---|
18 | private readonly TextShape titleShape = new TextShape("Title");
|
---|
19 | private readonly LegendShape legendShape = new LegendShape();
|
---|
20 | private readonly XAxis xAxis = new XAxis();
|
---|
21 | private readonly XAxisGrid xAxisGrid = new XAxisGrid();
|
---|
22 | private readonly List<RowEntry> rowEntries = new List<RowEntry>();
|
---|
23 |
|
---|
24 | private readonly Dictionary<IDataRow, RowEntry> rowToRowEntry = new Dictionary<IDataRow, RowEntry>();
|
---|
25 |
|
---|
26 | private readonly ViewSettings viewSettings;
|
---|
27 |
|
---|
28 | private readonly WorldShape userInteractionShape = new WorldShape();
|
---|
29 | private readonly RectangleShape rectangleShape = new RectangleShape(0, 0, 0, 0, Color.FromArgb(50, 0, 0, 255));
|
---|
30 | private IMouseEventListener mouseEventListener;
|
---|
31 |
|
---|
32 | private const int YAxisWidth = 100;
|
---|
33 | private const int XAxisHeight = 40;
|
---|
34 | private readonly TooltipListener toolTipListener;
|
---|
35 | private readonly ToolTip valueToolTip;
|
---|
36 | private Point currentMousePos;
|
---|
37 |
|
---|
38 | /// <summary>
|
---|
39 | /// This constructor shouldn't be called. Only required for the designer.
|
---|
40 | /// </summary>
|
---|
41 | public LineChart() {
|
---|
42 | InitializeComponent();
|
---|
43 | }
|
---|
44 |
|
---|
45 | /// <summary>
|
---|
46 | /// Initializes the chart.
|
---|
47 | /// </summary>
|
---|
48 | /// <param name="model">Referenz to the model, for data</param>
|
---|
49 | public LineChart(IChartDataRowsModel model) : this() {
|
---|
50 | if (model == null) {
|
---|
51 | throw new NullReferenceException("Model cannot be null.");
|
---|
52 | }
|
---|
53 |
|
---|
54 | canvas = canvasUI.Canvas;
|
---|
55 |
|
---|
56 | this.model = model;
|
---|
57 | viewSettings = model.ViewSettings;
|
---|
58 | viewSettings.OnUpdateSettings += UpdateViewSettings;
|
---|
59 |
|
---|
60 | Item = model;
|
---|
61 |
|
---|
62 | valueToolTip = new ToolTip();
|
---|
63 | toolTipListener = new TooltipListener();
|
---|
64 | toolTipListener.ShowToolTip += ShowToolTip;
|
---|
65 | mouseEventListener = toolTipListener;
|
---|
66 | currentMousePos = new Point(0, 0);
|
---|
67 |
|
---|
68 | this.ResizeRedraw = true;
|
---|
69 |
|
---|
70 | canvasUI.BeforePaint += delegate { UpdateLayout(); };
|
---|
71 |
|
---|
72 | UpdateLayout();
|
---|
73 | ZoomToFullView();
|
---|
74 | }
|
---|
75 |
|
---|
76 | /// <summary>
|
---|
77 | /// updates the view settings
|
---|
78 | /// </summary>
|
---|
79 | private void UpdateViewSettings() {
|
---|
80 | titleShape.Font = viewSettings.TitleFont;
|
---|
81 | titleShape.Color = viewSettings.TitleColor;
|
---|
82 | titleShape.Text = model.Title;
|
---|
83 |
|
---|
84 | legendShape.Font = viewSettings.LegendFont;
|
---|
85 | legendShape.Color = viewSettings.LegendColor;
|
---|
86 |
|
---|
87 | xAxis.Font = viewSettings.XAxisFont;
|
---|
88 | xAxis.Color = viewSettings.XAxisColor;
|
---|
89 |
|
---|
90 | SetLegendPosition();
|
---|
91 |
|
---|
92 | canvasUI.Invalidate();
|
---|
93 | }
|
---|
94 |
|
---|
95 | /// <summary>
|
---|
96 | /// Layout management - arranges the inner shapes.
|
---|
97 | /// </summary>
|
---|
98 | private void UpdateLayout() {
|
---|
99 | canvas.ClearShapes();
|
---|
100 |
|
---|
101 | titleShape.Text = model.Title;
|
---|
102 |
|
---|
103 | if (model.XAxis.ShowGrid) {
|
---|
104 | xAxisGrid.Color = model.XAxis.GridColor;
|
---|
105 | canvas.AddShape(xAxisGrid);
|
---|
106 | }
|
---|
107 |
|
---|
108 | foreach (YAxisDescriptor yAxisDescriptor in model.YAxes) {
|
---|
109 | YAxisInfo info = GetYAxisInfo(yAxisDescriptor);
|
---|
110 | if (yAxisDescriptor.ShowGrid) {
|
---|
111 | info.Grid.Color = yAxisDescriptor.GridColor;
|
---|
112 | canvas.AddShape(info.Grid);
|
---|
113 | }
|
---|
114 | }
|
---|
115 |
|
---|
116 | foreach (RowEntry rowEntry in rowEntries) {
|
---|
117 | canvas.AddShape(rowEntry.LinesShape);
|
---|
118 | }
|
---|
119 |
|
---|
120 | xAxis.ShowLabel = model.XAxis.ShowLabel;
|
---|
121 | xAxis.Label = model.XAxis.Label;
|
---|
122 |
|
---|
123 | canvas.AddShape(xAxis);
|
---|
124 |
|
---|
125 | int yAxesWidthLeft = 0;
|
---|
126 | int yAxesWidthRight = 0;
|
---|
127 |
|
---|
128 | foreach (YAxisDescriptor yAxisDescriptor in model.YAxes) {
|
---|
129 | YAxisInfo info = GetYAxisInfo(yAxisDescriptor);
|
---|
130 | if (yAxisDescriptor.ShowYAxis) {
|
---|
131 | canvas.AddShape(info.YAxis);
|
---|
132 | info.YAxis.ShowLabel = yAxisDescriptor.ShowYAxisLabel;
|
---|
133 | info.YAxis.Label = yAxisDescriptor.Label;
|
---|
134 | info.YAxis.Position = yAxisDescriptor.Position;
|
---|
135 | switch (yAxisDescriptor.Position) {
|
---|
136 | case AxisPosition.Left:
|
---|
137 | yAxesWidthLeft += YAxisWidth;
|
---|
138 | break;
|
---|
139 | case AxisPosition.Right:
|
---|
140 | yAxesWidthRight += YAxisWidth;
|
---|
141 | break;
|
---|
142 | default:
|
---|
143 | throw new NotImplementedException();
|
---|
144 | }
|
---|
145 | }
|
---|
146 | }
|
---|
147 |
|
---|
148 | canvas.AddShape(titleShape);
|
---|
149 | canvas.AddShape(legendShape);
|
---|
150 | canvas.AddShape(userInteractionShape);
|
---|
151 |
|
---|
152 | titleShape.X = 10;
|
---|
153 | titleShape.Y = canvasUI.Height - 10;
|
---|
154 |
|
---|
155 | RectangleD linesAreaBoundingBox = new RectangleD(yAxesWidthLeft,
|
---|
156 | XAxisHeight,
|
---|
157 | canvasUI.Width - yAxesWidthRight,
|
---|
158 | canvasUI.Height);
|
---|
159 |
|
---|
160 | foreach (RowEntry rowEntry in rowEntries) {
|
---|
161 | rowEntry.LinesShape.BoundingBox = linesAreaBoundingBox;
|
---|
162 | }
|
---|
163 |
|
---|
164 | xAxisGrid.BoundingBox = linesAreaBoundingBox;
|
---|
165 |
|
---|
166 | foreach (YAxisDescriptor yAxisDescriptor in model.YAxes) {
|
---|
167 | YAxisInfo info = GetYAxisInfo(yAxisDescriptor);
|
---|
168 | info.Grid.BoundingBox = linesAreaBoundingBox;
|
---|
169 | }
|
---|
170 |
|
---|
171 | int yAxisLeft = 0;
|
---|
172 | int yAxisRight = (int) linesAreaBoundingBox.X2;
|
---|
173 |
|
---|
174 | foreach (YAxisDescriptor yAxisDescriptor in model.YAxes) {
|
---|
175 | YAxisInfo info = GetYAxisInfo(yAxisDescriptor);
|
---|
176 | if (yAxisDescriptor.ShowYAxis) {
|
---|
177 | switch (yAxisDescriptor.Position) {
|
---|
178 | case AxisPosition.Left:
|
---|
179 | info.YAxis.BoundingBox = new RectangleD(yAxisLeft,
|
---|
180 | linesAreaBoundingBox.Y1,
|
---|
181 | yAxisLeft + YAxisWidth,
|
---|
182 | linesAreaBoundingBox.Y2);
|
---|
183 | yAxisLeft += YAxisWidth;
|
---|
184 | break;
|
---|
185 | case AxisPosition.Right:
|
---|
186 | info.YAxis.BoundingBox = new RectangleD(yAxisRight,
|
---|
187 | linesAreaBoundingBox.Y1,
|
---|
188 | yAxisRight + YAxisWidth,
|
---|
189 | linesAreaBoundingBox.Y2);
|
---|
190 | yAxisRight += YAxisWidth;
|
---|
191 | break;
|
---|
192 | default:
|
---|
193 | throw new NotImplementedException();
|
---|
194 | }
|
---|
195 | }
|
---|
196 | }
|
---|
197 |
|
---|
198 | userInteractionShape.BoundingBox = linesAreaBoundingBox;
|
---|
199 | userInteractionShape.ClippingArea = new RectangleD(0, 0, userInteractionShape.BoundingBox.Width,
|
---|
200 | userInteractionShape.BoundingBox.Height);
|
---|
201 |
|
---|
202 | xAxis.BoundingBox = new RectangleD(linesAreaBoundingBox.X1,
|
---|
203 | 0,
|
---|
204 | linesAreaBoundingBox.X2,
|
---|
205 | linesAreaBoundingBox.Y1);
|
---|
206 |
|
---|
207 | SetLegendPosition();
|
---|
208 | }
|
---|
209 |
|
---|
210 | private readonly Dictionary<YAxisDescriptor, YAxisInfo> yAxisInfos = new Dictionary<YAxisDescriptor, YAxisInfo>();
|
---|
211 |
|
---|
212 | /// <summary>
|
---|
213 | ///
|
---|
214 | /// </summary>
|
---|
215 | /// <param name="yAxisDescriptor"></param>
|
---|
216 | /// <returns></returns>
|
---|
217 | private YAxisInfo GetYAxisInfo(YAxisDescriptor yAxisDescriptor) {
|
---|
218 | YAxisInfo info;
|
---|
219 |
|
---|
220 | if (!yAxisInfos.TryGetValue(yAxisDescriptor, out info)) {
|
---|
221 | info = new YAxisInfo();
|
---|
222 | yAxisInfos[yAxisDescriptor] = info;
|
---|
223 | }
|
---|
224 |
|
---|
225 | return info;
|
---|
226 | }
|
---|
227 |
|
---|
228 |
|
---|
229 | #region Legend-specific
|
---|
230 |
|
---|
231 | /// <summary>
|
---|
232 | /// sets the legend position
|
---|
233 | /// </summary>
|
---|
234 | private void SetLegendPosition() {
|
---|
235 | switch (viewSettings.LegendPosition) {
|
---|
236 | case LegendPosition.Bottom:
|
---|
237 | setLegendBottom();
|
---|
238 | break;
|
---|
239 |
|
---|
240 | case LegendPosition.Top:
|
---|
241 | setLegendTop();
|
---|
242 | break;
|
---|
243 |
|
---|
244 | case LegendPosition.Left:
|
---|
245 | setLegendLeft();
|
---|
246 | break;
|
---|
247 |
|
---|
248 | case LegendPosition.Right:
|
---|
249 | setLegendRight();
|
---|
250 | break;
|
---|
251 | }
|
---|
252 | }
|
---|
253 |
|
---|
254 | public void setLegendRight() {
|
---|
255 | // legend right
|
---|
256 | legendShape.BoundingBox = new RectangleD(canvasUI.Width - legendShape.GetMaxLabelLength(), 10, canvasUI.Width,
|
---|
257 | canvasUI.Height - 50);
|
---|
258 | legendShape.ClippingArea = new RectangleD(0, 0, legendShape.BoundingBox.Width, legendShape.BoundingBox.Height);
|
---|
259 | legendShape.Row = false;
|
---|
260 | legendShape.CreateLegend();
|
---|
261 | }
|
---|
262 |
|
---|
263 | public void setLegendLeft() {
|
---|
264 | // legend left
|
---|
265 | legendShape.BoundingBox = new RectangleD(10, 10, canvasUI.Width, canvasUI.Height - 50);
|
---|
266 | legendShape.ClippingArea = new RectangleD(0, 0, legendShape.BoundingBox.Width, legendShape.BoundingBox.Height);
|
---|
267 | legendShape.Row = false;
|
---|
268 | legendShape.CreateLegend();
|
---|
269 |
|
---|
270 | canvasUI.Invalidate();
|
---|
271 | }
|
---|
272 |
|
---|
273 | public void setLegendTop() {
|
---|
274 | // legend top
|
---|
275 | legendShape.BoundingBox = new RectangleD(100, canvasUI.Height - canvasUI.Height, canvasUI.Width,
|
---|
276 | canvasUI.Height - 10);
|
---|
277 | legendShape.ClippingArea = new RectangleD(0, 0, legendShape.BoundingBox.Width, legendShape.BoundingBox.Height);
|
---|
278 | legendShape.Row = true;
|
---|
279 | legendShape.Top = true;
|
---|
280 | legendShape.CreateLegend();
|
---|
281 | }
|
---|
282 |
|
---|
283 | public void setLegendBottom() {
|
---|
284 | // legend bottom
|
---|
285 | legendShape.BoundingBox = new RectangleD(100, 2, canvasUI.Width, canvasUI.Height);
|
---|
286 | legendShape.ClippingArea = new RectangleD(0, 0, legendShape.BoundingBox.Width, legendShape.BoundingBox.Height);
|
---|
287 | legendShape.Row = true;
|
---|
288 | legendShape.Top = false;
|
---|
289 | legendShape.CreateLegend();
|
---|
290 | }
|
---|
291 |
|
---|
292 | #endregion
|
---|
293 |
|
---|
294 | /// <summary>
|
---|
295 | /// Shows the Tooltip with the real values of a datapoint, if the mousepoint is near to one
|
---|
296 | /// </summary>
|
---|
297 | /// <param name="location"></param>
|
---|
298 | private void ShowToolTip(Point location) {
|
---|
299 | valueToolTip.Hide(this);
|
---|
300 | if (rowEntries.Count > 0) {
|
---|
301 | double dx = Transform.ToWorldX(location.X, this.rowEntries[0].LinesShape.Viewport,
|
---|
302 | this.rowEntries[0].LinesShape.ClippingArea);
|
---|
303 | int ix = (int) Math.Round(dx);
|
---|
304 | foreach (var rowEntry in rowEntries) {
|
---|
305 | if ((rowEntry.DataRow.Count > ix) && (ix > 0) && ((rowEntry.DataRow.RowSettings.LineType == DataRowType.Normal) || (rowEntry.DataRow.RowSettings.LineType == DataRowType.Points))) {
|
---|
306 | Point screenDataP = Transform.ToScreen(new PointD(ix, rowEntry.DataRow[ix]), rowEntry.LinesShape.Viewport,
|
---|
307 | rowEntry.LinesShape.ClippingArea);
|
---|
308 | if ((Math.Abs(screenDataP.X - location.X) <= 6) && (Math.Abs(screenDataP.Y - location.Y) <= 6)) {
|
---|
309 | valueToolTip.Show(("\t x:" + ix + " y:" + rowEntry.DataRow[ix]), this, screenDataP.X, screenDataP.Y);
|
---|
310 | }
|
---|
311 | }
|
---|
312 | }
|
---|
313 | }
|
---|
314 | }
|
---|
315 |
|
---|
316 |
|
---|
317 |
|
---|
318 | private void optionsToolStripMenuItem_Click(object sender, EventArgs e) {
|
---|
319 | OptionsDialog optionsdlg = new OptionsDialog(model);
|
---|
320 | optionsdlg.Show();
|
---|
321 | mouseEventListener = toolTipListener;
|
---|
322 | }
|
---|
323 |
|
---|
324 | private void exportToolStripMenuItem_Click(object sender, EventArgs e) {
|
---|
325 | ExportDialog exportdlg = new ExportDialog();
|
---|
326 | exportdlg.ShowDialog(this);
|
---|
327 |
|
---|
328 | IExporter exporter = exportdlg.SelectedExporter;
|
---|
329 |
|
---|
330 | if (exporter != null)
|
---|
331 | exporter.Export(model);
|
---|
332 | }
|
---|
333 |
|
---|
334 | public void OnDataRowChanged(IDataRow row) {
|
---|
335 | RowEntry rowEntry = rowToRowEntry[row];
|
---|
336 |
|
---|
337 | rowEntry.LinesShape.UpdateStyle(row);
|
---|
338 |
|
---|
339 | canvasUI.Invalidate();
|
---|
340 | }
|
---|
341 |
|
---|
342 | #region Add-/RemoveItemEvents
|
---|
343 |
|
---|
344 | protected override void AddItemEvents() {
|
---|
345 | base.AddItemEvents();
|
---|
346 |
|
---|
347 | model.DataRowAdded += OnDataRowAdded;
|
---|
348 | model.DataRowRemoved += OnDataRowRemoved;
|
---|
349 | model.ModelChanged += OnModelChanged;
|
---|
350 |
|
---|
351 | foreach (IDataRow row in model.Rows) {
|
---|
352 | OnDataRowAdded(row);
|
---|
353 | }
|
---|
354 | }
|
---|
355 |
|
---|
356 | protected override void RemoveItemEvents() {
|
---|
357 | base.RemoveItemEvents();
|
---|
358 |
|
---|
359 | model.DataRowAdded -= OnDataRowAdded;
|
---|
360 | model.DataRowRemoved -= OnDataRowRemoved;
|
---|
361 | model.ModelChanged -= OnModelChanged;
|
---|
362 | }
|
---|
363 |
|
---|
364 | private void OnDataRowAdded(IDataRow row) {
|
---|
365 | row.ValueChanged += OnRowValueChanged;
|
---|
366 | row.ValuesChanged += OnRowValuesChanged;
|
---|
367 | row.DataRowChanged += OnDataRowChanged;
|
---|
368 |
|
---|
369 | legendShape.AddLegendItem(new LegendItem(row.RowSettings.Label, row.RowSettings.Color, row.RowSettings.Thickness));
|
---|
370 | legendShape.CreateLegend();
|
---|
371 |
|
---|
372 | InitLineShapes(row);
|
---|
373 |
|
---|
374 | canvasUI.Invalidate();
|
---|
375 | }
|
---|
376 |
|
---|
377 | private void OnDataRowRemoved(IDataRow row) {
|
---|
378 | row.ValueChanged -= OnRowValueChanged;
|
---|
379 | row.ValuesChanged -= OnRowValuesChanged;
|
---|
380 | row.DataRowChanged -= OnDataRowChanged;
|
---|
381 |
|
---|
382 | rowToRowEntry.Remove(row);
|
---|
383 | rowEntries.RemoveAll(delegate(RowEntry rowEntry) { return rowEntry.DataRow == row; });
|
---|
384 |
|
---|
385 | canvasUI.Invalidate();
|
---|
386 | }
|
---|
387 |
|
---|
388 | #endregion
|
---|
389 |
|
---|
390 | public void ZoomToFullView() {
|
---|
391 | SetClipX(-0.1, model.MaxDataRowValues - 0.9);
|
---|
392 |
|
---|
393 | foreach (RowEntry rowEntry in rowEntries) {
|
---|
394 | YAxisDescriptor yAxisDescriptor = rowEntry.DataRow.YAxis;
|
---|
395 |
|
---|
396 | SetClipY(rowEntry,
|
---|
397 | yAxisDescriptor.MinValue - ((yAxisDescriptor.MaxValue - yAxisDescriptor.MinValue)*0.05),
|
---|
398 | yAxisDescriptor.MaxValue + ((yAxisDescriptor.MaxValue - yAxisDescriptor.MinValue)*0.05));
|
---|
399 | }
|
---|
400 |
|
---|
401 | canvasUI.Invalidate();
|
---|
402 | }
|
---|
403 |
|
---|
404 | private void SetClipX(double x1, double x2) {
|
---|
405 | xAxisGrid.ClippingArea = new RectangleD(x1,
|
---|
406 | xAxisGrid.ClippingArea.Y1,
|
---|
407 | x2,
|
---|
408 | xAxisGrid.ClippingArea.Y2);
|
---|
409 |
|
---|
410 | xAxis.ClippingArea = new RectangleD(x1,
|
---|
411 | 0,
|
---|
412 | x2,
|
---|
413 | XAxisHeight);
|
---|
414 |
|
---|
415 | foreach (RowEntry rowEntry in rowEntries) {
|
---|
416 | rowEntry.LinesShape.ClippingArea = new RectangleD(x1,
|
---|
417 | rowEntry.LinesShape.ClippingArea.Y1,
|
---|
418 | x2,
|
---|
419 | rowEntry.LinesShape.ClippingArea.Y2);
|
---|
420 | }
|
---|
421 |
|
---|
422 | foreach (YAxisDescriptor yAxisDescriptor in model.YAxes) {
|
---|
423 | YAxisInfo info = GetYAxisInfo(yAxisDescriptor);
|
---|
424 | info.Grid.ClippingArea = new RectangleD(x1,
|
---|
425 | info.Grid.ClippingArea.Y1,
|
---|
426 | x2,
|
---|
427 | info.Grid.ClippingArea.Y2);
|
---|
428 | info.YAxis.ClippingArea = new RectangleD(0,
|
---|
429 | info.YAxis.ClippingArea.Y1,
|
---|
430 | YAxisWidth,
|
---|
431 | info.YAxis.ClippingArea.Y2);
|
---|
432 | }
|
---|
433 | }
|
---|
434 |
|
---|
435 | private void SetClipY(RowEntry rowEntry, double y1, double y2) {
|
---|
436 | xAxisGrid.ClippingArea = new RectangleD(xAxisGrid.ClippingArea.X1,
|
---|
437 | y1,
|
---|
438 | xAxisGrid.ClippingArea.X2,
|
---|
439 | y2);
|
---|
440 |
|
---|
441 | rowEntry.LinesShape.ClippingArea = new RectangleD(rowEntry.LinesShape.ClippingArea.X1,
|
---|
442 | y1,
|
---|
443 | rowEntry.LinesShape.ClippingArea.X2,
|
---|
444 | y2);
|
---|
445 |
|
---|
446 | YAxisInfo info = GetYAxisInfo(rowEntry.DataRow.YAxis);
|
---|
447 |
|
---|
448 | info.Grid.ClippingArea = new RectangleD(info.Grid.ClippingArea.X1,
|
---|
449 | y1,
|
---|
450 | info.Grid.ClippingArea.X2,
|
---|
451 | y2);
|
---|
452 | info.YAxis.ClippingArea = new RectangleD(info.YAxis.ClippingArea.X1,
|
---|
453 | y1,
|
---|
454 | info.YAxis.ClippingArea.X2,
|
---|
455 | y2);
|
---|
456 | }
|
---|
457 |
|
---|
458 | /// <summary>
|
---|
459 | /// Creates the shapes for the data of the given row and stores them.
|
---|
460 | /// </summary>
|
---|
461 | /// <param name="row">Datarow, whose data items should be converted to shapes</param>
|
---|
462 | private void InitLineShapes(IDataRow row) {
|
---|
463 | RowEntry rowEntry = new RowEntry(row);
|
---|
464 | rowEntries.Add(rowEntry);
|
---|
465 | rowToRowEntry[row] = rowEntry;
|
---|
466 |
|
---|
467 | if ((row.RowSettings.LineType == DataRowType.SingleValue)) {
|
---|
468 | if (row.Count > 0) {
|
---|
469 | LineShape lineShape = new HorizontalLineShape(0, row[0], double.MaxValue, row[0], row.RowSettings.Color, row.RowSettings.Thickness,
|
---|
470 | row.RowSettings.Style);
|
---|
471 | rowEntry.LinesShape.AddShape(lineShape);
|
---|
472 | }
|
---|
473 | } else if (row.RowSettings.LineType == DataRowType.Points) {
|
---|
474 | rowEntry.ShowMarkers(true); //no lines, only markers are shown!!
|
---|
475 | for (int i = 0; i < row.Count; i++)
|
---|
476 | rowEntry.LinesShape.AddMarkerShape(new MarkerShape(i, row[i], 8, row.RowSettings.Color));
|
---|
477 | } else if (row.RowSettings.LineType == DataRowType.Normal) {
|
---|
478 | rowEntry.ShowMarkers(row.RowSettings.ShowMarkers);
|
---|
479 | for (int i = 1; i < row.Count; i++) {
|
---|
480 | LineShape lineShape = new LineShape(i - 1, row[i - 1], i, row[i], row.RowSettings.Color, row.RowSettings.Thickness, row.RowSettings.Style);
|
---|
481 | rowEntry.LinesShape.AddShape(lineShape);
|
---|
482 | rowEntry.LinesShape.AddMarkerShape(new MarkerShape(i - 1, row[i - 1], 8, row.RowSettings.Color));
|
---|
483 | }
|
---|
484 | if (row.Count > 0) {
|
---|
485 | rowEntry.LinesShape.AddMarkerShape(new MarkerShape((row.Count - 1), row[(row.Count - 1)], 8, row.RowSettings.Color));
|
---|
486 | }
|
---|
487 | }
|
---|
488 |
|
---|
489 | ZoomToFullView();
|
---|
490 | }
|
---|
491 |
|
---|
492 | /// <summary>
|
---|
493 | /// Handles the event, when a value of a datarow was changed
|
---|
494 | /// </summary>
|
---|
495 | /// <param name="row">row in which the data was changed</param>
|
---|
496 | /// <param name="value">new value of the data point</param>
|
---|
497 | /// <param name="index">index in the datarow of the changed datapoint</param>
|
---|
498 | /// <param name="action">the performed action (added, modified, deleted)</param>
|
---|
499 | private void OnRowValueChanged(IDataRow row, double value, int index, Action action) {
|
---|
500 | RowEntry rowEntry = rowToRowEntry[row];
|
---|
501 |
|
---|
502 | if (row.RowSettings.LineType == DataRowType.SingleValue) {
|
---|
503 | if (action == Action.Added) {
|
---|
504 | LineShape lineShape = new HorizontalLineShape(0, row[0], double.MaxValue, row[0], row.RowSettings.Color, row.RowSettings.Thickness,
|
---|
505 | row.RowSettings.Style);
|
---|
506 | rowEntry.LinesShape.AddShape(lineShape);
|
---|
507 | } else if(action==Action.Deleted) {
|
---|
508 | throw new ArgumentException("It is unwise to delete the only value of the SinglevalueRow!!");
|
---|
509 | }else if(action ==Action.Modified){
|
---|
510 | LineShape lineShape = rowEntry.LinesShape.GetShape(0);
|
---|
511 | lineShape.Y1 = value;
|
---|
512 | lineShape.Y2 = value;
|
---|
513 | }
|
---|
514 | } else if (row.RowSettings.LineType == DataRowType.Points) {
|
---|
515 | if (action == Action.Added) {
|
---|
516 | if(rowEntry.LinesShape.Count==0)
|
---|
517 | rowEntry.LinesShape.AddMarkerShape(new MarkerShape(0, row[0], 8, row.RowSettings.Color));
|
---|
518 | if (index > 0 && index == rowEntry.LinesShape.Count + 1) {
|
---|
519 | LineShape lineShape = new LineShape(index - 1, row[index - 1], index, row[index], row.RowSettings.Color, row.RowSettings.Thickness,
|
---|
520 | row.RowSettings.Style);
|
---|
521 | rowEntry.LinesShape.AddShape(lineShape);
|
---|
522 | rowEntry.LinesShape.AddMarkerShape(new MarkerShape(index, row[index], 8, row.RowSettings.Color));
|
---|
523 | } else {
|
---|
524 | throw new ArgumentException("Adding a value is only possible at the end of a row!");
|
---|
525 | }
|
---|
526 | } else if (action == Action.Modified) {
|
---|
527 | // not the first value
|
---|
528 | if (index > 0) {
|
---|
529 | rowEntry.LinesShape.GetShape(index - 1).Y2 = value;
|
---|
530 | ((MarkerShape) rowEntry.LinesShape.markersShape.GetShape(index - 1)).Y = value;
|
---|
531 | }
|
---|
532 |
|
---|
533 | // not the last value
|
---|
534 | if (index < row.Count - 1) {
|
---|
535 | rowEntry.LinesShape.GetShape(index).Y1 = value;
|
---|
536 | ((MarkerShape) rowEntry.LinesShape.markersShape.GetShape(index)).Y = value;
|
---|
537 | }
|
---|
538 | } else if(action == Action.Deleted) {
|
---|
539 | if (index == row.Count - 1)
|
---|
540 | rowEntry.LinesShape.RemoveMarkerShape(rowEntry.LinesShape.markersShape.GetShape(index));
|
---|
541 | else
|
---|
542 | throw new NotSupportedException("Deleting of values other than the last one is not supported!");
|
---|
543 | }
|
---|
544 |
|
---|
545 | } else if (row.RowSettings.LineType == DataRowType.Normal) {
|
---|
546 | if (index > rowEntry.LinesShape.Count + 1) {
|
---|
547 | throw new NotImplementedException();
|
---|
548 | }
|
---|
549 |
|
---|
550 | if (action == Action.Added) {
|
---|
551 | if (rowEntry.LinesShape.Count == 0)
|
---|
552 | rowEntry.LinesShape.AddMarkerShape(new MarkerShape(0, row[0], 8, row.RowSettings.Color));
|
---|
553 | if (index > 0 && index == rowEntry.LinesShape.Count + 1) {
|
---|
554 | LineShape lineShape = new LineShape(index - 1, row[index - 1], index, row[index], row.RowSettings.Color, row.RowSettings.Thickness,
|
---|
555 | row.RowSettings.Style);
|
---|
556 | rowEntry.LinesShape.AddShape(lineShape);
|
---|
557 | rowEntry.LinesShape.AddMarkerShape(new MarkerShape(index, row[index], 8, row.RowSettings.Color));
|
---|
558 | }
|
---|
559 | } else if (action == Action.Modified) {
|
---|
560 | // not the first value
|
---|
561 | if (index > 0) {
|
---|
562 | rowEntry.LinesShape.GetShape(index - 1).Y2 = value;
|
---|
563 | ((MarkerShape) rowEntry.LinesShape.markersShape.GetShape(index - 1)).Y = value;
|
---|
564 | }
|
---|
565 |
|
---|
566 | // not the last value
|
---|
567 | if (index < row.Count - 1) {
|
---|
568 | rowEntry.LinesShape.GetShape(index).Y1 = value;
|
---|
569 | ((MarkerShape) rowEntry.LinesShape.markersShape.GetShape(index)).Y = value;
|
---|
570 | }
|
---|
571 | } else if (action == Action.Deleted) {
|
---|
572 | if (index == row.Count - 1) {
|
---|
573 | rowEntry.LinesShape.RemoveMarkerShape(rowEntry.LinesShape.markersShape.GetShape(index));
|
---|
574 | rowEntry.LinesShape.RemoveShape(rowEntry.LinesShape.GetShape(index));
|
---|
575 | } else
|
---|
576 | throw new NotSupportedException("Deleting of values other than the last one is not supported!");
|
---|
577 | }
|
---|
578 | }
|
---|
579 |
|
---|
580 | ZoomToFullView();
|
---|
581 | }
|
---|
582 |
|
---|
583 | private void OnRowValuesChanged(IDataRow row, double[] values, int index, Action action) {
|
---|
584 | foreach (double value in values) {
|
---|
585 | OnRowValueChanged(row, value, index++, action);
|
---|
586 | }
|
---|
587 | }
|
---|
588 |
|
---|
589 | private void OnModelChanged() {
|
---|
590 | canvasUI.Invalidate();
|
---|
591 | }
|
---|
592 |
|
---|
593 | #region Begin-/EndUpdate
|
---|
594 |
|
---|
595 | private int beginUpdateCount;
|
---|
596 |
|
---|
597 | public void BeginUpdate() {
|
---|
598 | beginUpdateCount++;
|
---|
599 | }
|
---|
600 |
|
---|
601 | public void EndUpdate() {
|
---|
602 | if (beginUpdateCount == 0) {
|
---|
603 | throw new InvalidOperationException("Too many EndUpdates.");
|
---|
604 | }
|
---|
605 |
|
---|
606 | beginUpdateCount--;
|
---|
607 |
|
---|
608 | if (beginUpdateCount == 0) {
|
---|
609 | canvasUI.Invalidate();
|
---|
610 | }
|
---|
611 | }
|
---|
612 |
|
---|
613 | #endregion
|
---|
614 |
|
---|
615 | #region Zooming / Panning
|
---|
616 |
|
---|
617 | private void Pan(Point startPoint, Point endPoint) {
|
---|
618 | RectangleD clippingArea = Translate.ClippingArea(startPoint, endPoint, xAxis.ClippingArea, xAxis.Viewport);
|
---|
619 |
|
---|
620 | SetClipX(clippingArea.X1, clippingArea.X2);
|
---|
621 |
|
---|
622 | foreach (RowEntry rowEntry in rowEntries) {
|
---|
623 | if (rowEntry.DataRow.YAxis.ClipChangeable) {
|
---|
624 | clippingArea = Translate.ClippingArea(startPoint, endPoint, rowEntry.LinesShape.ClippingArea,
|
---|
625 | rowEntry.LinesShape.Viewport);
|
---|
626 | SetClipY(rowEntry, clippingArea.Y1, clippingArea.Y2);
|
---|
627 | }
|
---|
628 | }
|
---|
629 |
|
---|
630 | canvasUI.Invalidate();
|
---|
631 | }
|
---|
632 |
|
---|
633 | private void PanEnd(Point startPoint, Point endPoint) {
|
---|
634 | Pan(startPoint, endPoint);
|
---|
635 | }
|
---|
636 |
|
---|
637 | private void SetClippingArea(Rectangle rectangle) {
|
---|
638 | RectangleD clippingArea = Transform.ToWorld(rectangle, xAxis.Viewport, xAxis.ClippingArea);
|
---|
639 |
|
---|
640 | SetClipX(clippingArea.X1, clippingArea.X2);
|
---|
641 |
|
---|
642 | foreach (RowEntry rowEntry in rowEntries) {
|
---|
643 | if (rowEntry.DataRow.YAxis.ClipChangeable) {
|
---|
644 | clippingArea = Transform.ToWorld(rectangle, rowEntry.LinesShape.Viewport, rowEntry.LinesShape.ClippingArea);
|
---|
645 |
|
---|
646 | SetClipY(rowEntry, clippingArea.Y1, clippingArea.Y2);
|
---|
647 | }
|
---|
648 | }
|
---|
649 |
|
---|
650 | userInteractionShape.RemoveShape(rectangleShape);
|
---|
651 | canvasUI.Invalidate();
|
---|
652 | }
|
---|
653 |
|
---|
654 | private void DrawRectangle(Rectangle rectangle) {
|
---|
655 | rectangleShape.Rectangle = Transform.ToWorld(rectangle, userInteractionShape.Viewport,
|
---|
656 | userInteractionShape.ClippingArea);
|
---|
657 | canvasUI.Invalidate();
|
---|
658 | }
|
---|
659 |
|
---|
660 | private void canvasUI1_KeyDown(object sender, KeyEventArgs e) {}
|
---|
661 |
|
---|
662 | private void canvasUI1_MouseDown(object sender, MouseEventArgs e) {
|
---|
663 | Focus();
|
---|
664 |
|
---|
665 | if (e.Button == MouseButtons.Right) {
|
---|
666 | valueToolTip.Hide(this);
|
---|
667 | mouseEventListener = null;
|
---|
668 | this.contextMenu.Show(PointToScreen(e.Location));
|
---|
669 | } else if (e.Button == MouseButtons.Left) {
|
---|
670 | if (ModifierKeys == Keys.None) {
|
---|
671 | PanListener panListener = new PanListener(e.Location);
|
---|
672 | panListener.Pan += Pan;
|
---|
673 | panListener.PanEnd += PanEnd;
|
---|
674 |
|
---|
675 | mouseEventListener = panListener;
|
---|
676 | } else if (ModifierKeys == Keys.Control) {
|
---|
677 | ZoomListener zoomListener = new ZoomListener(e.Location);
|
---|
678 | zoomListener.DrawRectangle += DrawRectangle;
|
---|
679 | zoomListener.SetClippingArea += SetClippingArea;
|
---|
680 |
|
---|
681 | rectangleShape.Rectangle = RectangleD.Empty;
|
---|
682 | userInteractionShape.AddShape(rectangleShape);
|
---|
683 |
|
---|
684 | mouseEventListener = zoomListener;
|
---|
685 | }
|
---|
686 | }
|
---|
687 | }
|
---|
688 |
|
---|
689 | private void canvasUI_MouseMove(object sender, MouseEventArgs e) {
|
---|
690 | if (currentMousePos == e.Location)
|
---|
691 | return;
|
---|
692 | if (mouseEventListener != null) {
|
---|
693 | mouseEventListener.MouseMove(sender, e);
|
---|
694 | }
|
---|
695 |
|
---|
696 | currentMousePos = e.Location;
|
---|
697 | }
|
---|
698 |
|
---|
699 | private void canvasUI_MouseUp(object sender, MouseEventArgs e) {
|
---|
700 | if (mouseEventListener != null) {
|
---|
701 | mouseEventListener.MouseUp(sender, e);
|
---|
702 | }
|
---|
703 |
|
---|
704 | mouseEventListener = toolTipListener;
|
---|
705 | }
|
---|
706 |
|
---|
707 | private void canvasUI1_MouseWheel(object sender, MouseEventArgs e) {
|
---|
708 | if (ModifierKeys == Keys.Control) {
|
---|
709 | double zoomFactor = (e.Delta > 0) ? 0.7 : 1.3;
|
---|
710 |
|
---|
711 | PointD world;
|
---|
712 |
|
---|
713 | world = Transform.ToWorld(e.Location, xAxis.Viewport, xAxis.ClippingArea);
|
---|
714 |
|
---|
715 | double x1 = world.X - (world.X - xAxis.ClippingArea.X1)*zoomFactor;
|
---|
716 | double x2 = world.X + (xAxis.ClippingArea.X2 - world.X)*zoomFactor;
|
---|
717 |
|
---|
718 | SetClipX(x1, x2);
|
---|
719 |
|
---|
720 | foreach (RowEntry rowEntry in rowEntries) {
|
---|
721 | world = Transform.ToWorld(e.Location, rowEntry.LinesShape.Viewport, rowEntry.LinesShape.ClippingArea);
|
---|
722 |
|
---|
723 | double y1 = world.Y - (world.Y - rowEntry.LinesShape.ClippingArea.Y1)*zoomFactor;
|
---|
724 | double y2 = world.Y + (rowEntry.LinesShape.ClippingArea.Y2 - world.Y)*zoomFactor;
|
---|
725 |
|
---|
726 | SetClipY(rowEntry, y1, y2);
|
---|
727 | }
|
---|
728 |
|
---|
729 | canvasUI.Invalidate();
|
---|
730 | }
|
---|
731 | }
|
---|
732 |
|
---|
733 | #endregion
|
---|
734 |
|
---|
735 | protected override void OnPaint(PaintEventArgs e) {
|
---|
736 | UpdateLayout();
|
---|
737 | base.OnPaint(e);
|
---|
738 | }
|
---|
739 |
|
---|
740 | private class LinesShape : WorldShape {
|
---|
741 | public readonly CompositeShape markersShape = new CompositeShape();
|
---|
742 |
|
---|
743 | public void UpdateStyle(IDataRow row) {
|
---|
744 | foreach (IShape shape in shapes) {
|
---|
745 | LineShape lineShape = shape as LineShape;
|
---|
746 | if (lineShape != null) {
|
---|
747 | lineShape.LSColor = row.RowSettings.Color;
|
---|
748 | lineShape.LSDrawingStyle = row.RowSettings.Style;
|
---|
749 | lineShape.LSThickness = row.RowSettings.Thickness;
|
---|
750 | }
|
---|
751 | }
|
---|
752 | markersShape.ShowChildShapes = row.RowSettings.ShowMarkers;
|
---|
753 | }
|
---|
754 |
|
---|
755 | /// <summary>
|
---|
756 | /// Draws all Shapes in the chart
|
---|
757 | /// </summary>
|
---|
758 | /// <param name="graphics"></param>
|
---|
759 | public override void Draw(Graphics graphics) {
|
---|
760 | GraphicsState gstate = graphics.Save();
|
---|
761 |
|
---|
762 | graphics.SetClip(Viewport);
|
---|
763 | foreach (IShape shape in shapes) {
|
---|
764 | // draw child shapes using our own clipping area
|
---|
765 | shape.Draw(graphics);
|
---|
766 | }
|
---|
767 | markersShape.Draw(graphics);
|
---|
768 | graphics.Restore(gstate);
|
---|
769 | }
|
---|
770 |
|
---|
771 | public void AddMarkerShape(IShape shape) {
|
---|
772 | shape.Parent = this;
|
---|
773 | markersShape.AddShape(shape);
|
---|
774 | }
|
---|
775 |
|
---|
776 | public void RemoveMarkerShape(IShape shape) {
|
---|
777 | shape.Parent = this;
|
---|
778 | markersShape.RemoveShape(shape);
|
---|
779 | }
|
---|
780 |
|
---|
781 | public int Count {
|
---|
782 | get { return shapes.Count; }
|
---|
783 | }
|
---|
784 |
|
---|
785 | public LineShape GetShape(int index) {
|
---|
786 | return (LineShape) shapes[index]; //shapes[0] is markersShape!!
|
---|
787 | }
|
---|
788 | }
|
---|
789 |
|
---|
790 | private class RowEntry {
|
---|
791 | private readonly IDataRow dataRow;
|
---|
792 |
|
---|
793 | private readonly LinesShape linesShape = new LinesShape();
|
---|
794 |
|
---|
795 | public RowEntry(IDataRow dataRow) {
|
---|
796 | this.dataRow = dataRow;
|
---|
797 | linesShape.markersShape.Parent = linesShape;
|
---|
798 | }
|
---|
799 |
|
---|
800 | public IDataRow DataRow {
|
---|
801 | get { return dataRow; }
|
---|
802 | }
|
---|
803 |
|
---|
804 | public LinesShape LinesShape {
|
---|
805 | get { return linesShape; }
|
---|
806 | }
|
---|
807 |
|
---|
808 | public void ShowMarkers(bool flag) {
|
---|
809 | linesShape.markersShape.ShowChildShapes = flag;
|
---|
810 | }
|
---|
811 | }
|
---|
812 |
|
---|
813 | private class YAxisInfo {
|
---|
814 | private readonly YAxisGrid grid = new YAxisGrid();
|
---|
815 | private readonly YAxis yAxis = new YAxis();
|
---|
816 |
|
---|
817 | public YAxisGrid Grid {
|
---|
818 | get { return grid; }
|
---|
819 | }
|
---|
820 |
|
---|
821 | public YAxis YAxis {
|
---|
822 | get { return yAxis; }
|
---|
823 | }
|
---|
824 | }
|
---|
825 | }
|
---|
826 | } |
---|