[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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| 33 | public partial class ChooseTypeDialog : Form {
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| 34 | #region Inner Class TreeNodeSorter
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| 35 | private class TreeNodeSorter : IComparer {
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| 36 | public int Compare(object x, object y) {
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| 37 | TreeNode tx = x as TreeNode;
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| 38 | TreeNode ty = y as TreeNode;
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| 39 |
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| 40 | int result = string.Compare(tx.Text, ty.Text);
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| 41 | if (result == 0)
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| 42 | result = tx.Index.CompareTo(ty.Index);
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| 43 | return result;
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| 44 | }
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| 45 | }
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| 46 | #endregion
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| 47 |
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| 48 | public string Caption {
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| 49 | get { return Text; }
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| 50 | set { Text = value; }
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| 51 | }
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| 52 |
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| 53 | private Type myType;
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| 54 | public Type Type {
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| 55 | get { return myType; }
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| 56 | }
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| 57 |
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| 58 | public ChooseTypeDialog()
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| 59 | : this(typeof(IItem)) {
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| 60 | }
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| 61 |
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| 62 | public ChooseTypeDialog(Type baseType) {
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| 63 | InitializeComponent();
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| 64 |
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| 65 | treeView.TreeViewNodeSorter = new TreeNodeSorter();
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| 66 |
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| 67 | if (baseType == null) {
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| 68 | baseType = typeof(IItem);
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| 69 | }
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| 70 |
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| 71 | DiscoveryService discoveryService = new DiscoveryService();
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| 72 | foreach (PluginInfo plugin in discoveryService.Plugins) {
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| 73 | TreeNode pluginNode = new TreeNode(plugin.Name);
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| 74 | pluginNode.Tag = null;
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| 75 |
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| 76 | Type[] types = discoveryService.GetTypes(baseType, plugin);
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| 77 | foreach (Type type in types) {
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| 78 | TreeNode itemNode = new TreeNode();
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| 79 | itemNode.Text = type.Name;
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| 80 | itemNode.Tag = type;
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| 81 | pluginNode.Nodes.Add(itemNode);
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| 82 | }
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| 83 | if (pluginNode.Nodes.Count > 0) {
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| 84 | treeView.Nodes.Add(pluginNode);
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| 85 | }
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| 86 | }
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| 87 | if (treeView.Nodes.Count == 0) {
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| 88 | treeView.Enabled = false;
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| 89 | treeView.Nodes.Add(new TreeNode("No item types available"));
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| 90 | }
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| 91 | okButton.Enabled = false;
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| 92 |
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| 93 | if (treeView.Nodes.Count == 1) {
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| 94 | TreeNodeCollection items = treeView.Nodes[0].Nodes;
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| 95 | treeView.Nodes.Clear();
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| 96 | foreach (TreeNode i in items) {
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| 97 | treeView.Nodes.Add(i);
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| 98 | }
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| 99 | }
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| 100 | }
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| 101 |
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| 102 | private void okButton_Click(object sender, EventArgs e) {
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| 103 | myType = (Type)treeView.SelectedNode.Tag;
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| 104 | this.DialogResult = DialogResult.OK;
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| 105 | this.Close();
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| 106 | }
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| 107 |
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| 108 | private void treeView_DoubleClick(object sender, EventArgs e) {
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| 109 | // plugin groups have a null-tag
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| 110 | if ((treeView.SelectedNode != null) && (treeView.SelectedNode.Tag != null)) {
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| 111 | myType = (Type)treeView.SelectedNode.Tag;
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| 112 | this.DialogResult = DialogResult.OK;
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| 113 | this.Close();
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| 114 | }
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| 115 | }
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| 116 |
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| 117 | private void treeView_AfterSelect(object sender, TreeViewEventArgs e) {
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| 118 | okButton.Enabled = false;
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| 119 | if ((treeView.SelectedNode != null) && (treeView.SelectedNode.Tag != null))
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| 120 | okButton.Enabled = true;
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| 121 | }
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| 122 |
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| 123 | private void ChooseTypeDialog_Load(object sender, EventArgs e) {
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| 124 | myType = null;
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| 125 | if (treeView.Nodes.Count == 1) {
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| 126 | myType = (Type)treeView.Nodes[0].Tag;
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| 127 | this.DialogResult = DialogResult.OK;
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| 128 | this.Close();
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| 129 | }
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| 130 | }
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| 131 | }
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| 132 | }
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