[2] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[17246] | 3 | * Copyright (C) Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[2] | 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.Windows.Forms;
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[2818] | 24 | using HeuristicLab.Common;
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[2520] | 25 | using HeuristicLab.MainForm;
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[3758] | 26 | using HeuristicLab.PluginInfrastructure;
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[2] | 27 |
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[2520] | 28 | namespace HeuristicLab.Core.Views {
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[776] | 29 | /// <summary>
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[2655] | 30 | /// The visual representation of a <see cref="Variable"/>.
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[776] | 31 | /// </summary>
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[2917] | 32 | [View("Variable View")]
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[2520] | 33 | [Content(typeof(Variable), true)]
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[2727] | 34 | [Content(typeof(IVariable), false)]
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[2664] | 35 | public partial class VariableView : NamedItemView {
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[2676] | 36 | protected TypeSelectorDialog typeSelectorDialog;
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[2] | 37 |
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[776] | 38 | /// <summary>
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| 39 | /// Gets or sets the variable to represent visually.
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| 40 | /// </summary>
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| 41 | /// <remarks>Uses property <see cref="ViewBase.Item"/> of base class <see cref="ViewBase"/>.
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| 42 | /// No own data storage present.</remarks>
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[2727] | 43 | public new IVariable Content {
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| 44 | get { return (IVariable)base.Content; }
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[2713] | 45 | set { base.Content = value; }
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[2] | 46 | }
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| 47 |
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[776] | 48 | /// <summary>
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| 49 | /// Initializes a new instance of <see cref="VariableView"/> with caption "Variable".
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| 50 | /// </summary>
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[2] | 51 | public VariableView() {
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| 52 | InitializeComponent();
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| 53 | }
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| 54 |
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[5237] | 55 | /// <summary>
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| 56 | /// Clean up any resources being used.
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| 57 | /// </summary>
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| 58 | /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
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| 59 | protected override void Dispose(bool disposing) {
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| 60 | if (disposing) {
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| 61 | if (typeSelectorDialog != null) typeSelectorDialog.Dispose();
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| 62 | if (components != null) components.Dispose();
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| 63 | }
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| 64 | base.Dispose(disposing);
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| 65 | }
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| 66 |
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[776] | 67 | /// <summary>
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[2687] | 68 | /// Removes the eventhandlers from the underlying <see cref="Variable"/>.
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[776] | 69 | /// </summary>
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| 70 | /// <remarks>Calls <see cref="ViewBase.RemoveItemEvents"/> of base class <see cref="ViewBase"/>.</remarks>
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[2713] | 71 | protected override void DeregisterContentEvents() {
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| 72 | Content.ValueChanged -= new EventHandler(Content_ValueChanged);
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| 73 | base.DeregisterContentEvents();
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[2] | 74 | }
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[2655] | 75 |
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[776] | 76 | /// <summary>
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[2687] | 77 | /// Adds eventhandlers to the underlying <see cref="Variable"/>.
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[776] | 78 | /// </summary>
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| 79 | /// <remarks>Calls <see cref="ViewBase.AddItemEvents"/> of base class <see cref="ViewBase"/>.</remarks>
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[2713] | 80 | protected override void RegisterContentEvents() {
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| 81 | base.RegisterContentEvents();
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| 82 | Content.ValueChanged += new EventHandler(Content_ValueChanged);
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[2] | 83 | }
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| 84 |
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[2713] | 85 | protected override void OnContentChanged() {
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| 86 | base.OnContentChanged();
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| 87 | if (Content == null) {
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[2655] | 88 | dataTypeTextBox.Text = "-";
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[2713] | 89 | viewHost.Content = null;
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[2] | 90 | } else {
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[2818] | 91 | dataTypeTextBox.Text = Content.Value == null ? "-" : Content.Value.GetType().GetPrettyName();
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[2949] | 92 | viewHost.ViewType = null;
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[2713] | 93 | viewHost.Content = Content.Value;
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[2] | 94 | }
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| 95 | }
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| 96 |
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[3904] | 97 | protected override void SetEnabledStateOfControls() {
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| 98 | base.SetEnabledStateOfControls();
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[3362] | 99 | dataTypeTextBox.Enabled = Content != null && Content.Value != null;
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| 100 | setValueButton.Enabled = Content != null && !ReadOnly;
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| 101 | clearValueButton.Enabled = Content != null && Content.Value != null && !ReadOnly;
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| 102 | valueGroupBox.Enabled = Content != null;
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| 103 | }
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| 104 |
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[2713] | 105 | protected virtual void Content_ValueChanged(object sender, EventArgs e) {
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[2] | 106 | if (InvokeRequired)
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[2713] | 107 | Invoke(new EventHandler(Content_ValueChanged), sender, e);
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[2655] | 108 | else {
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[2818] | 109 | dataTypeTextBox.Text = Content.Value == null ? "-" : Content.Value.GetType().GetPrettyName();
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[2713] | 110 | dataTypeTextBox.Enabled = Content.Value != null;
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| 111 | clearValueButton.Enabled = Content.Value != null;
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[2949] | 112 | viewHost.ViewType = null;
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[2713] | 113 | viewHost.Content = Content.Value;
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[2655] | 114 | }
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[2] | 115 | }
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| 116 |
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[2676] | 117 | protected virtual void setValueButton_Click(object sender, EventArgs e) {
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[2655] | 118 | if (typeSelectorDialog == null) {
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| 119 | typeSelectorDialog = new TypeSelectorDialog();
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[3407] | 120 | typeSelectorDialog.Caption = "Select Value";
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[3588] | 121 | typeSelectorDialog.TypeSelector.Configure(typeof(IItem), false, true);
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[2655] | 122 | }
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| 123 | if (typeSelectorDialog.ShowDialog(this) == DialogResult.OK) {
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[3407] | 124 | try {
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| 125 | Content.Value = (IItem)typeSelectorDialog.TypeSelector.CreateInstanceOfSelectedType();
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| 126 | }
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| 127 | catch (Exception ex) {
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[3758] | 128 | ErrorHandling.ShowErrorDialog(this, ex);
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[3407] | 129 | }
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[2655] | 130 | }
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[2] | 131 | }
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[2676] | 132 | protected virtual void clearValueButton_Click(object sender, EventArgs e) {
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[2713] | 133 | Content.Value = null;
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[2655] | 134 | }
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[2676] | 135 | protected virtual void valuePanel_DragEnterOver(object sender, DragEventArgs e) {
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[2655] | 136 | e.Effect = DragDropEffects.None;
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[5837] | 137 | if (!ReadOnly && (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) is IItem)) {
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[3694] | 138 | if ((e.KeyState & 32) == 32) e.Effect = DragDropEffects.Link; // ALT key
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[2694] | 139 | else if ((e.KeyState & 4) == 4) e.Effect = DragDropEffects.Move; // SHIFT key
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[5744] | 140 | else if (e.AllowedEffect.HasFlag(DragDropEffects.Copy)) e.Effect = DragDropEffects.Copy;
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| 141 | else if (e.AllowedEffect.HasFlag(DragDropEffects.Move)) e.Effect = DragDropEffects.Move;
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| 142 | else if (e.AllowedEffect.HasFlag(DragDropEffects.Link)) e.Effect = DragDropEffects.Link;
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[2] | 143 | }
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| 144 | }
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[2676] | 145 | protected virtual void valuePanel_DragDrop(object sender, DragEventArgs e) {
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[2655] | 146 | if (e.Effect != DragDropEffects.None) {
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[5837] | 147 | IItem item = e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) as IItem;
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[5744] | 148 | if (e.Effect.HasFlag(DragDropEffects.Copy)) item = (IItem)item.Clone();
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[2713] | 149 | Content.Value = item;
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[2655] | 150 | }
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| 151 | }
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[2] | 152 | }
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| 153 | }
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