[2655] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[2790] | 3 | * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[2655] | 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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[2714] | 24 | using HeuristicLab.Core;
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| 25 | using HeuristicLab.Core.Views;
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[2655] | 26 | using HeuristicLab.MainForm;
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| 27 |
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[2714] | 28 | namespace HeuristicLab.Parameters.Views {
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[2655] | 29 | /// <summary>
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| 30 | /// The visual representation of a <see cref="Parameter"/>.
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| 31 | /// </summary>
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[2917] | 32 | [View("ValueLookupParameter View")]
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[2756] | 33 | [Content(typeof(ValueLookupParameter<>), true)]
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| 34 | [Content(typeof(IValueLookupParameter<>), false)]
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| 35 | public partial class ValueLookupParameterView<T> : ParameterView where T : class, IItem {
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[2676] | 36 | protected TypeSelectorDialog typeSelectorDialog;
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[2655] | 37 |
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| 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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[2756] | 43 | public new IValueLookupParameter<T> Content {
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| 44 | get { return (IValueLookupParameter<T>)base.Content; }
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[2713] | 45 | set { base.Content = value; }
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[2655] | 46 | }
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| 47 |
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| 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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[2756] | 51 | public ValueLookupParameterView() {
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[2655] | 52 | InitializeComponent();
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[2756] | 53 | Caption = "ValueLookupParameter";
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[2655] | 54 | }
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| 55 | /// <summary>
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| 56 | /// Initializes a new instance of <see cref="VariableView"/> with the given <paramref name="variable"/>.
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| 57 | /// </summary>
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| 58 | /// <remarks>Calls <see cref="VariableView()"/>.</remarks>
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| 59 | /// <param name="variable">The variable to represent visually.</param>
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[2756] | 60 | public ValueLookupParameterView(IValueLookupParameter<T> content)
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[2655] | 61 | : this() {
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[2727] | 62 | Content = content;
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[2655] | 63 | }
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| 64 |
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| 65 | /// <summary>
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| 66 | /// Removes the eventhandlers from the underlying <see cref="IVariable"/>.
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| 67 | /// </summary>
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| 68 | /// <remarks>Calls <see cref="ViewBase.RemoveItemEvents"/> of base class <see cref="ViewBase"/>.</remarks>
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[2713] | 69 | protected override void DeregisterContentEvents() {
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| 70 | Content.ActualNameChanged -= new EventHandler(Content_ActualNameChanged);
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[2756] | 71 | Content.ValueChanged -= new EventHandler(Content_ValueChanged);
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[2713] | 72 | base.DeregisterContentEvents();
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[2655] | 73 | }
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| 74 |
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| 75 | /// <summary>
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| 76 | /// Adds eventhandlers to the underlying <see cref="IVariable"/>.
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| 77 | /// </summary>
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| 78 | /// <remarks>Calls <see cref="ViewBase.AddItemEvents"/> of base class <see cref="ViewBase"/>.</remarks>
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[2713] | 79 | protected override void RegisterContentEvents() {
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| 80 | base.RegisterContentEvents();
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| 81 | Content.ActualNameChanged += new EventHandler(Content_ActualNameChanged);
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[2756] | 82 | Content.ValueChanged += new EventHandler(Content_ValueChanged);
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[2655] | 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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[2756] | 88 | Caption = "ValueLookupParameter";
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[2655] | 89 | actualNameTextBox.Text = "-";
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| 90 | actualNameTextBox.Enabled = false;
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[2756] | 91 | setValueButton.Enabled = false;
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| 92 | clearValueButton.Enabled = false;
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| 93 | valueGroupBox.Enabled = false;
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[2713] | 94 | viewHost.Content = null;
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[2655] | 95 | } else {
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[2713] | 96 | Caption = Content.Name + " (" + Content.GetType().Name + ")";
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| 97 | actualNameTextBox.Text = Content.ActualName;
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[2756] | 98 | actualNameTextBox.Enabled = true;
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| 99 | setValueButton.Enabled = Content.Value == null;
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| 100 | clearValueButton.Enabled = Content.Value != null;
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| 101 | valueGroupBox.Enabled = true;
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| 102 | viewHost.Content = Content.Value;
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[2655] | 103 | }
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| 104 | }
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| 105 |
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[2713] | 106 | protected virtual void Content_ActualNameChanged(object sender, EventArgs e) {
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[2655] | 107 | if (InvokeRequired)
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[2713] | 108 | Invoke(new EventHandler(Content_ActualNameChanged), sender, e);
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[2655] | 109 | else
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[2713] | 110 | actualNameTextBox.Text = Content.ActualName;
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[2655] | 111 | }
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[2756] | 112 | protected virtual void Content_ValueChanged(object sender, EventArgs e) {
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[2655] | 113 | if (InvokeRequired)
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[2756] | 114 | Invoke(new EventHandler(Content_ValueChanged), sender, e);
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[2655] | 115 | else {
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[2756] | 116 | setValueButton.Enabled = Content.Value == null;
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| 117 | clearValueButton.Enabled = Content.Value != null;
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| 118 | viewHost.Content = Content.Value;
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[2655] | 119 | }
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| 120 | }
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| 121 |
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[2676] | 122 | protected virtual void actualNameTextBox_Validated(object sender, EventArgs e) {
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[2713] | 123 | Content.ActualName = actualNameTextBox.Text;
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[2655] | 124 | }
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[2756] | 125 | protected virtual void setValueButton_Click(object sender, EventArgs e) {
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[2655] | 126 | if (typeSelectorDialog == null) {
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| 127 | typeSelectorDialog = new TypeSelectorDialog();
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[2756] | 128 | typeSelectorDialog.Caption = "Select Value";
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| 129 | typeSelectorDialog.TypeSelector.Configure(Content.DataType, false, false);
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[2655] | 130 | }
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| 131 | if (typeSelectorDialog.ShowDialog(this) == DialogResult.OK)
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[2756] | 132 | Content.Value = (T)typeSelectorDialog.TypeSelector.CreateInstanceOfSelectedType();
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[2655] | 133 | }
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[2756] | 134 | protected virtual void clearValueButton_Click(object sender, EventArgs e) {
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| 135 | Content.Value = null;
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[2655] | 136 | }
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[2756] | 137 | protected virtual void valuePanel_DragEnterOver(object sender, DragEventArgs e) {
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[2655] | 138 | e.Effect = DragDropEffects.None;
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| 139 | Type type = e.Data.GetData("Type") as Type;
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[2713] | 140 | if ((type != null) && (Content.DataType.IsAssignableFrom(type))) {
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[2655] | 141 | if ((e.KeyState & 8) == 8) e.Effect = DragDropEffects.Copy; // CTRL key
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[2694] | 142 | else if ((e.KeyState & 4) == 4) e.Effect = DragDropEffects.Move; // SHIFT key
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| 143 | else if ((e.AllowedEffect & DragDropEffects.Link) == DragDropEffects.Link) e.Effect = DragDropEffects.Link;
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| 144 | else if ((e.AllowedEffect & DragDropEffects.Copy) == DragDropEffects.Copy) e.Effect = DragDropEffects.Copy;
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| 145 | else if ((e.AllowedEffect & DragDropEffects.Move) == DragDropEffects.Move) e.Effect = DragDropEffects.Move;
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[2655] | 146 | }
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| 147 | }
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[2756] | 148 | protected virtual void valuePanel_DragDrop(object sender, DragEventArgs e) {
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[2655] | 149 | if (e.Effect != DragDropEffects.None) {
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[2756] | 150 | T value = e.Data.GetData("Value") as T;
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| 151 | if ((e.Effect & DragDropEffects.Copy) == DragDropEffects.Copy) value = (T)value.Clone();
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| 152 | Content.Value = value;
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[2655] | 153 | }
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| 154 | }
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| 155 | }
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| 156 | }
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