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