1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.ComponentModel;
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24 | using System.Drawing;
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25 | using System.Windows.Forms;
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26 | using HeuristicLab.MainForm;
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27 |
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28 | namespace HeuristicLab.Core.Views {
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29 | /// <summary>
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30 | /// The visual representation of an <see cref="OperatorGraph"/>.
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31 | /// </summary>
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32 | [View("OperatorGraph View (Tree)")]
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33 | [Content(typeof(OperatorGraph), true)]
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34 | public partial class OperatorGraphView : ItemView {
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35 | /// <summary>
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36 | /// Gets or sets the operator graph to represent visually.
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37 | /// </summary>
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38 | /// <remarks>Uses property <see cref="ViewBase.Item"/> of base class <see cref="ViewBase"/>.
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39 | /// No own data storage present.</remarks>
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40 | public new OperatorGraph Content {
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41 | get { return (OperatorGraph)base.Content; }
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42 | set { base.Content = value; }
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43 | }
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44 |
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45 | /// <summary>
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46 | /// Initializes a new instance of <see cref="OperatorGraphView"/> with caption "Operator Graph".
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47 | /// </summary>
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48 | public OperatorGraphView() {
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49 | InitializeComponent();
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50 | Caption = "Operator Graph";
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51 | }
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52 | /// <summary>
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53 | /// Initializes a new instance of <see cref="OperatorGraphView"/>
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54 | /// with the given <paramref name="operatorGraph"/>.
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55 | /// </summary>
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56 | /// <remarks>Calls <see cref="OperatorGraphView()"/>.</remarks>
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57 | /// <param name="operatorGraph">The operator graph to represent visually.</param>
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58 | public OperatorGraphView(OperatorGraph content)
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59 | : this() {
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60 | Content = content;
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61 | }
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62 |
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63 | /// <summary>
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64 | /// Removes the eventhandlers from the underlying <see cref="IOperatorGraph"/>.
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65 | /// </summary>
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66 | /// <remarks>Calls <see cref="ViewBase.RemoveItemEvents"/> of base class <see cref="ViewBase"/>.</remarks>
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67 | protected override void DeregisterContentEvents() {
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68 | Content.InitialOperatorChanged -= new EventHandler(Content_InitialOperatorChanged);
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69 | base.DeregisterContentEvents();
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70 | }
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71 |
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72 | /// <summary>
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73 | /// Adds eventhandlers to the underlying <see cref="IOperatorGraph"/>.
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74 | /// </summary>
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75 | /// <remarks>Calls <see cref="ViewBase.AddItemEvents"/> of base class <see cref="ViewBase"/>.</remarks>
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76 | protected override void RegisterContentEvents() {
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77 | base.RegisterContentEvents();
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78 | Content.InitialOperatorChanged += new EventHandler(Content_InitialOperatorChanged);
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79 | }
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80 |
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81 | /// <summary>
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82 | /// Updates all controls with the latest data of the model.
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83 | /// </summary>
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84 | /// <remarks>Calls <see cref="ViewBase.UpdateControls"/> of base class <see cref="ViewBase"/>.</remarks>
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85 | protected override void OnContentChanged() {
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86 | base.OnContentChanged();
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87 | Caption = "Operator Graph";
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88 | operatorsView.Content = null;
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89 | operatorsView.Enabled = false;
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90 | operatorTreeView.Content = null;
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91 | operatorTreeView.Enabled = false;
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92 |
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93 | if (Content != null) {
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94 | Caption = Content.ItemName + " (" + Content.GetType().Name + ")";
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95 | operatorsView.Content = Content.Operators;
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96 | operatorsView.Enabled = true;
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97 | MarkInitialOperator();
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98 | operatorTreeView.Content = Content.InitialOperator;
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99 | operatorTreeView.Enabled = true;
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100 | }
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101 | }
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102 |
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103 | protected virtual void MarkInitialOperator() {
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104 | foreach (ListViewItem item in operatorsView.ItemsListView.Items) {
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105 | if ((Content.InitialOperator != null) && (((IOperator)item.Tag) == Content.InitialOperator))
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106 | item.Font = new Font(operatorsView.ItemsListView.Font, FontStyle.Bold);
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107 | else
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108 | item.Font = operatorsView.ItemsListView.Font;
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109 | }
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110 | }
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111 |
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112 | #region Context Menu Events
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113 | protected virtual void operatorsView_Load(object sender, EventArgs e) {
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114 | operatorsView.ItemsListView.ContextMenuStrip = operatorsContextMenuStrip;
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115 | }
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116 | protected virtual void operatorsContextMenuStrip_Opening(object sender, CancelEventArgs e) {
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117 | initialOperatorToolStripMenuItem.Enabled = false;
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118 | initialOperatorToolStripMenuItem.Checked = false;
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119 | if (operatorsView.ItemsListView.SelectedItems.Count == 1) {
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120 | IOperator op = (IOperator)operatorsView.ItemsListView.SelectedItems[0].Tag;
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121 | initialOperatorToolStripMenuItem.Enabled = true;
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122 | initialOperatorToolStripMenuItem.Tag = op;
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123 | if (op == Content.InitialOperator)
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124 | initialOperatorToolStripMenuItem.Checked = true;
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125 | }
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126 | }
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127 | protected virtual void initialOperatorToolStripMenuItem_Click(object sender, EventArgs e) {
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128 | if (initialOperatorToolStripMenuItem.Checked)
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129 | Content.InitialOperator = (IOperator)initialOperatorToolStripMenuItem.Tag;
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130 | else
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131 | Content.InitialOperator = null;
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132 | }
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133 | #endregion
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134 |
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135 | #region Content Events
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136 | protected virtual void Content_InitialOperatorChanged(object sender, EventArgs e) {
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137 | if (InvokeRequired)
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138 | Invoke(new EventHandler(Content_InitialOperatorChanged), sender, e);
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139 | else {
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140 | MarkInitialOperator();
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141 | operatorTreeView.Content = Content.InitialOperator;
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142 | }
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143 | }
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144 | #endregion
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145 | }
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146 | }
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