[2] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2008 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.Collections;
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| 24 | using System.Collections.Generic;
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| 25 | using System.ComponentModel;
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| 26 | using System.Data;
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| 27 | using System.Drawing;
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| 28 | using System.Text;
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| 29 | using System.Windows.Forms;
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| 30 | using HeuristicLab.PluginInfrastructure;
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| 31 |
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| 32 | namespace HeuristicLab.Core {
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[776] | 33 | /// <summary>
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| 34 | /// A dialog to select a specific type.
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| 35 | /// </summary>
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[2] | 36 | public partial class ChooseTypeDialog : Form {
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| 37 | #region Inner Class TreeNodeSorter
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| 38 | private class TreeNodeSorter : IComparer {
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| 39 | public int Compare(object x, object y) {
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| 40 | TreeNode tx = x as TreeNode;
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| 41 | TreeNode ty = y as TreeNode;
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| 42 |
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| 43 | int result = string.Compare(tx.Text, ty.Text);
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| 44 | if (result == 0)
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| 45 | result = tx.Index.CompareTo(ty.Index);
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| 46 | return result;
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| 47 | }
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| 48 | }
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| 49 | #endregion
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| 50 |
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[776] | 51 | /// <summary>
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| 52 | /// Gets or sets the caption of the dialog.
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| 53 | /// </summary>
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| 54 | /// <remarks>Uses property <see cref="Form.Text"/> of base class <see cref="Form"/>.
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| 55 | /// No own data storage present.</remarks>
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[2] | 56 | public string Caption {
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| 57 | get { return Text; }
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| 58 | set { Text = value; }
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| 59 | }
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| 60 |
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| 61 | private Type myType;
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[776] | 62 | /// <summary>
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| 63 | /// Gets the selected type.
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| 64 | /// </summary>
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[2] | 65 | public Type Type {
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| 66 | get { return myType; }
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| 67 | }
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| 68 |
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[776] | 69 | /// <summary>
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| 70 | /// Initializes a new instance of <see cref="ChooseTypeDialog"/>.
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| 71 | /// </summary>
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| 72 | /// <remarks>Calls <see cref="ChooseTypeDialog(Type)"/> with the type of <see cref="IItem"/> as
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| 73 | /// parameter.</remarks>
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[2] | 74 | public ChooseTypeDialog()
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| 75 | : this(typeof(IItem)) {
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| 76 | }
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| 77 |
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[776] | 78 | /// <summary>
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| 79 | /// Initializes a new instance of <see cref="ChooseTypeDialog"/> with the given
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| 80 | /// <paramref name="baseType"/>.
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| 81 | /// </summary>
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| 82 | /// <param name="baseType">The base type of all chooseable types.</param>
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[2] | 83 | public ChooseTypeDialog(Type baseType) {
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| 84 | InitializeComponent();
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| 85 |
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| 86 | treeView.TreeViewNodeSorter = new TreeNodeSorter();
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| 87 |
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| 88 | if (baseType == null) {
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| 89 | baseType = typeof(IItem);
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| 90 | }
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| 91 |
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| 92 | DiscoveryService discoveryService = new DiscoveryService();
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| 93 | foreach (PluginInfo plugin in discoveryService.Plugins) {
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| 94 | TreeNode pluginNode = new TreeNode(plugin.Name);
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| 95 | pluginNode.Tag = null;
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| 96 |
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| 97 | Type[] types = discoveryService.GetTypes(baseType, plugin);
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| 98 | foreach (Type type in types) {
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| 99 | TreeNode itemNode = new TreeNode();
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| 100 | itemNode.Text = type.Name;
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| 101 | itemNode.Tag = type;
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| 102 | pluginNode.Nodes.Add(itemNode);
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| 103 | }
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| 104 | if (pluginNode.Nodes.Count > 0) {
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| 105 | treeView.Nodes.Add(pluginNode);
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| 106 | }
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| 107 | }
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| 108 | if (treeView.Nodes.Count == 0) {
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| 109 | treeView.Enabled = false;
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| 110 | treeView.Nodes.Add(new TreeNode("No item types available"));
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| 111 | }
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| 112 | okButton.Enabled = false;
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| 113 |
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| 114 | if (treeView.Nodes.Count == 1) {
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| 115 | TreeNodeCollection items = treeView.Nodes[0].Nodes;
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| 116 | treeView.Nodes.Clear();
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| 117 | foreach (TreeNode i in items) {
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| 118 | treeView.Nodes.Add(i);
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| 119 | }
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| 120 | }
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| 121 | }
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| 122 |
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| 123 | private void okButton_Click(object sender, EventArgs e) {
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| 124 | myType = (Type)treeView.SelectedNode.Tag;
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| 125 | this.DialogResult = DialogResult.OK;
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| 126 | this.Close();
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| 127 | }
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| 128 |
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| 129 | private void treeView_DoubleClick(object sender, EventArgs e) {
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| 130 | // plugin groups have a null-tag
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| 131 | if ((treeView.SelectedNode != null) && (treeView.SelectedNode.Tag != null)) {
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| 132 | myType = (Type)treeView.SelectedNode.Tag;
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| 133 | this.DialogResult = DialogResult.OK;
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| 134 | this.Close();
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| 135 | }
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| 136 | }
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| 137 |
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| 138 | private void treeView_AfterSelect(object sender, TreeViewEventArgs e) {
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| 139 | okButton.Enabled = false;
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| 140 | if ((treeView.SelectedNode != null) && (treeView.SelectedNode.Tag != null))
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| 141 | okButton.Enabled = true;
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| 142 | }
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| 143 |
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| 144 | private void ChooseTypeDialog_Load(object sender, EventArgs e) {
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| 145 | myType = null;
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| 146 | if (treeView.Nodes.Count == 1) {
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| 147 | myType = (Type)treeView.Nodes[0].Tag;
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| 148 | this.DialogResult = DialogResult.OK;
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| 149 | this.Close();
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| 150 | }
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| 151 | }
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| 152 | }
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| 153 | }
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