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.Linq;
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5 | using System.Text;
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6 | using System.Windows.Forms;
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7 | using HeuristicLab.Collections;
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8 | using HeuristicLab.Core;
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9 | using HeuristicLab.Data;
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10 | using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
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11 | using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views;
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12 | using HeuristicLab.MainForm;
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13 | using HeuristicLab.MainForm.WindowsForms;
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14 |
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15 | namespace HeuristicLab.Problems.DataAnalysis.Symbolic.Views {
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16 |
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17 | [View("StructureTemplate View")]
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18 | [Content(typeof(StructureTemplate), true)]
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19 | public partial class StructureTemplateView : AsynchronousContentView {
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20 | public new StructureTemplate Content {
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21 | get => (StructureTemplate)base.Content;
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22 | set => base.Content = value;
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23 | }
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24 |
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25 | public StructureTemplateView() {
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26 | InitializeComponent();
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27 | infoLabel.Text = "";
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28 | this.Resize += StructureTemplateViewResize;
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29 | splitContainer.SplitterMoved += SplitContainerSplitterMoved;
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30 | treeChart.SymbolicExpressionTreeNodeClicked += SymbolicExpressionTreeNodeClicked;
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31 |
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32 | }
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33 |
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34 | private void SplitContainerSplitterMoved(object sender, EventArgs e) {
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35 | PaintTree();
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36 | }
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37 |
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38 | private void StructureTemplateViewResize(object sender, EventArgs e) {
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39 | PaintTree();
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40 | }
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41 |
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42 | private void SymbolicExpressionTreeNodeClicked(object sender, MouseEventArgs e) {
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43 | var visualTreeNode = sender as VisualTreeNode<ISymbolicExpressionTreeNode>;
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44 | if(visualTreeNode != null) {
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45 | var subFunctionTreeNode = visualTreeNode.Content as SubFunctionTreeNode;
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46 | var selectedSubFunction = Content.SubFunctions.Where(x => x.Name == subFunctionTreeNode.Name).FirstOrDefault();
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47 | if(subFunctionTreeNode != null && selectedSubFunction != null)
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48 | viewHost.Content = selectedSubFunction;
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49 | }
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50 | }
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51 |
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52 | protected override void OnContentChanged() {
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53 | base.OnContentChanged();
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54 | if (Content == null) return;
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55 | expressionInput.Text = Content.Template;
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56 | linearScalingCheckBox.Checked = Content.ApplyLinearScaling;
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57 | PaintTree();
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58 | infoLabel.Text = "";
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59 | }
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60 |
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61 | private void ParseButtonClick(object sender, EventArgs e) {
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62 | Parse();
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63 | }
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64 |
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65 | private void ExpressionInputTextChanged(object sender, EventArgs e) {
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66 | infoLabel.Text = "Unparsed changes! Press parse button to save changes.";
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67 | infoLabel.ForeColor = Color.DarkOrange;
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68 | }
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69 |
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70 | private void PaintTree() {
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71 | if(Content != null && Content.Tree != null) {
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72 | treeChart.Tree = Content.Tree;
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73 | foreach (var n in Content.Tree.IterateNodesPrefix()) {
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74 | if (n.Symbol is SubFunctionSymbol) {
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75 | var visualNode = treeChart.GetVisualSymbolicExpressionTreeNode(n);
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76 | visualNode.FillColor = Color.LightCyan;
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77 | visualNode.LineColor = Color.SlateGray;
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78 | }
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79 | }
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80 | treeChart.RepaintNodes();
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81 | }
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82 | }
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83 |
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84 | private void ExpressionInputKeyUp(object sender, KeyEventArgs e) {
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85 | if (e.KeyCode == Keys.Enter)
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86 | Parse();
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87 | }
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88 |
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89 | private void Parse() {
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90 | viewHost.Content = null; // reset active detail view
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91 | if (!string.IsNullOrEmpty(expressionInput.Text)) {
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92 | try {
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93 | Content.Template = expressionInput.Text;
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94 | PaintTree();
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95 | infoLabel.Text = "Template structure successfully parsed.";
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96 | infoLabel.ForeColor = Color.DarkGreen;
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97 | } catch (AggregateException ex) {
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98 | infoLabel.Text = string.Join("\n", ex.InnerExceptions.Select(x => x.Message));
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99 | infoLabel.ForeColor = Color.DarkRed;
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100 | } catch (Exception ex) {
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101 | infoLabel.Text = ex.Message;
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102 | infoLabel.ForeColor = Color.DarkRed;
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103 | }
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104 | }
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105 | }
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106 |
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107 | private void LinearScalingCheckBoxCheckStateChanged(object sender, EventArgs e) {
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108 | Content.ApplyLinearScaling = linearScalingCheckBox.Checked;
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109 | PaintTree();
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110 | }
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111 |
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112 | private void helpButton_DoubleClick(object sender, EventArgs e) {
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113 | using (InfoBox dialog = new InfoBox("Help for structure template",
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114 | "HeuristicLab.Problems.DataAnalysis.Symbolic.Views.Resources.structureTemplateHelp.rtf",
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115 | this)) {
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116 | dialog.ShowDialog(this);
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117 | }
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118 | }
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119 | }
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120 | }
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