[2740] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[16057] | 3 | * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[2740] | 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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[4257] | 24 | using HeuristicLab.Common;
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[2740] | 25 | using HeuristicLab.Core;
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| 26 | using HeuristicLab.Core.Views;
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| 27 | using HeuristicLab.MainForm;
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[3758] | 28 | using HeuristicLab.PluginInfrastructure;
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[2740] | 29 |
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| 30 | namespace HeuristicLab.Parameters.Views {
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| 31 | /// <summary>
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| 32 | /// The visual representation of a <see cref="Parameter"/>.
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| 33 | /// </summary>
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[2917] | 34 | [View("ValueParameter View")]
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[2948] | 35 | [Content(typeof(OptionalValueParameter<>), true)]
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[2891] | 36 | [Content(typeof(ValueParameter<>), true)]
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[2948] | 37 | [Content(typeof(IValueParameter<>), false)]
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[2756] | 38 | public partial class ValueParameterView<T> : ParameterView where T : class, IItem {
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[2948] | 39 | protected TypeSelectorDialog typeSelectorDialog;
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| 40 |
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[2740] | 41 | /// <summary>
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| 42 | /// Gets or sets the variable to represent visually.
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| 43 | /// </summary>
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| 44 | /// <remarks>Uses property <see cref="ViewBase.Item"/> of base class <see cref="ViewBase"/>.
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| 45 | /// No own data storage present.</remarks>
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[2948] | 46 | public new IValueParameter<T> Content {
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| 47 | get { return (IValueParameter<T>)base.Content; }
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[2740] | 48 | set { base.Content = value; }
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| 49 | }
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| 50 |
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| 51 | /// <summary>
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| 52 | /// Initializes a new instance of <see cref="VariableView"/> with caption "Variable".
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| 53 | /// </summary>
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[2756] | 54 | public ValueParameterView() {
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[2740] | 55 | InitializeComponent();
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| 56 | }
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| 57 |
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[5237] | 58 | /// <summary>
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| 59 | /// Clean up any resources being used.
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| 60 | /// </summary>
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| 61 | /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
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| 62 | protected override void Dispose(bool disposing) {
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| 63 | if (disposing) {
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| 64 | if (typeSelectorDialog != null) typeSelectorDialog.Dispose();
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| 65 | if (components != null) components.Dispose();
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| 66 | }
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| 67 | base.Dispose(disposing);
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| 68 | }
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| 69 |
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[2740] | 70 | /// <summary>
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| 71 | /// Removes the eventhandlers from the underlying <see cref="IVariable"/>.
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| 72 | /// </summary>
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| 73 | /// <remarks>Calls <see cref="ViewBase.RemoveItemEvents"/> of base class <see cref="ViewBase"/>.</remarks>
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| 74 | protected override void DeregisterContentEvents() {
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[4332] | 75 | Content.GetsCollectedChanged -= new EventHandler(Content_GetsCollectedChanged);
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[2740] | 76 | Content.ValueChanged -= new EventHandler(Content_ValueChanged);
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| 77 | base.DeregisterContentEvents();
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| 78 | }
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| 79 |
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| 80 | /// <summary>
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| 81 | /// Adds eventhandlers to the underlying <see cref="IVariable"/>.
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| 82 | /// </summary>
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| 83 | /// <remarks>Calls <see cref="ViewBase.AddItemEvents"/> of base class <see cref="ViewBase"/>.</remarks>
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| 84 | protected override void RegisterContentEvents() {
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| 85 | base.RegisterContentEvents();
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[4332] | 86 | Content.GetsCollectedChanged += new EventHandler(Content_GetsCollectedChanged);
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[2740] | 87 | Content.ValueChanged += new EventHandler(Content_ValueChanged);
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| 88 | }
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| 89 |
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| 90 | protected override void OnContentChanged() {
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| 91 | base.OnContentChanged();
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| 92 | if (Content == null) {
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[4332] | 93 | showInRunCheckBox.Checked = false;
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[4011] | 94 | valueViewHost.Content = null;
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[2740] | 95 | } else {
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[4257] | 96 | SetDataTypeTextBoxText();
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[4332] | 97 | showInRunCheckBox.Checked = Content.GetsCollected;
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[4011] | 98 | valueViewHost.ViewType = null;
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| 99 | valueViewHost.Content = Content.Value;
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[2740] | 100 | }
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| 101 | }
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| 102 |
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[3904] | 103 | protected override void SetEnabledStateOfControls() {
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| 104 | base.SetEnabledStateOfControls();
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[5809] | 105 | setValueButton.Enabled = Content != null && !(Content is IFixedValueParameter) && !ReadOnly;
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[6262] | 106 | clearValueButton.Enabled = Content != null && Content.Value != null && !(Content is IFixedValueParameter) && !(Content is ValueParameter<T>) && !ReadOnly;
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[4332] | 107 | showInRunCheckBox.Enabled = Content != null && !ReadOnly;
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[3365] | 108 | }
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| 109 |
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[2740] | 110 | protected virtual void Content_ValueChanged(object sender, EventArgs e) {
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| 111 | if (InvokeRequired)
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| 112 | Invoke(new EventHandler(Content_ValueChanged), sender, e);
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| 113 | else {
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[4257] | 114 | SetDataTypeTextBoxText();
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[5809] | 115 | setValueButton.Enabled = Content != null && !(Content is IFixedValueParameter) && !ReadOnly;
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[6262] | 116 | clearValueButton.Enabled = Content != null && Content.Value != null && !(Content is IFixedValueParameter<T>) && !(Content is ValueParameter<T>) && !ReadOnly;
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[4011] | 117 | valueViewHost.ViewType = null;
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[4257] | 118 | valueViewHost.Content = Content != null ? Content.Value : null;
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[2740] | 119 | }
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| 120 | }
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[4332] | 121 | protected virtual void Content_GetsCollectedChanged(object sender, EventArgs e) {
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| 122 | if (InvokeRequired)
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| 123 | Invoke(new EventHandler(Content_GetsCollectedChanged), sender, e);
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| 124 | else
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| 125 | showInRunCheckBox.Checked = Content != null && Content.GetsCollected;
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| 126 | }
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[2740] | 127 |
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[4332] | 128 | protected virtual void setValueButton_Click(object sender, EventArgs e) {
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[2948] | 129 | if (typeSelectorDialog == null) {
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| 130 | typeSelectorDialog = new TypeSelectorDialog();
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| 131 | typeSelectorDialog.Caption = "Select Value";
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[3588] | 132 | typeSelectorDialog.TypeSelector.Configure(Content.DataType, false, true);
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[2948] | 133 | }
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[3407] | 134 | if (typeSelectorDialog.ShowDialog(this) == DialogResult.OK) {
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| 135 | try {
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| 136 | Content.Value = (T)typeSelectorDialog.TypeSelector.CreateInstanceOfSelectedType();
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| 137 | }
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| 138 | catch (Exception ex) {
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[3758] | 139 | ErrorHandling.ShowErrorDialog(this, ex);
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[3407] | 140 | }
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| 141 | }
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[2948] | 142 | }
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[4332] | 143 | protected virtual void clearValueButton_Click(object sender, EventArgs e) {
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[2948] | 144 | Content.Value = null;
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| 145 | }
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[4332] | 146 | protected virtual void showInRunCheckBox_CheckedChanged(object sender, EventArgs e) {
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| 147 | if (Content != null) Content.GetsCollected = showInRunCheckBox.Checked;
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| 148 | }
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[4522] | 149 | protected virtual void valueGroupBox_DragEnterOver(object sender, DragEventArgs e) {
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[2740] | 150 | e.Effect = DragDropEffects.None;
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[5809] | 151 | if (Content is IFixedValueParameter) return;
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[5837] | 152 | if (!ReadOnly && (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) != null) && Content.DataType.IsAssignableFrom(e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat).GetType())) {
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[3694] | 153 | if ((e.KeyState & 32) == 32) e.Effect = DragDropEffects.Link; // ALT key
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[2740] | 154 | else if ((e.KeyState & 4) == 4) e.Effect = DragDropEffects.Move; // SHIFT key
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[5744] | 155 | else if (e.AllowedEffect.HasFlag(DragDropEffects.Copy)) e.Effect = DragDropEffects.Copy;
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| 156 | else if (e.AllowedEffect.HasFlag(DragDropEffects.Move)) e.Effect = DragDropEffects.Move;
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| 157 | else if (e.AllowedEffect.HasFlag(DragDropEffects.Link)) e.Effect = DragDropEffects.Link;
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[2740] | 158 | }
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| 159 | }
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[4522] | 160 | protected virtual void valueGroupBox_DragDrop(object sender, DragEventArgs e) {
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[2740] | 161 | if (e.Effect != DragDropEffects.None) {
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[5837] | 162 | T value = e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) as T;
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[5744] | 163 | if (e.Effect.HasFlag(DragDropEffects.Copy)) value = (T)value.Clone();
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[2740] | 164 | Content.Value = value;
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| 165 | }
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| 166 | }
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[4257] | 167 |
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| 168 | #region Helpers
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| 169 | protected void SetDataTypeTextBoxText() {
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| 170 | if (Content == null) {
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| 171 | dataTypeTextBox.Text = "-";
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| 172 | } else {
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| 173 | if ((Content.Value != null) && (Content.Value.GetType() != Content.DataType))
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| 174 | dataTypeTextBox.Text = Content.DataType.GetPrettyName() + " (" + Content.Value.GetType().GetPrettyName() + ")";
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| 175 | else
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| 176 | dataTypeTextBox.Text = Content.DataType.GetPrettyName();
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| 177 | }
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| 178 | }
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| 179 | #endregion
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[2740] | 180 | }
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| 181 | }
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