[2655] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[5445] | 3 | * Copyright (C) 2002-2011 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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[4068] | 23 | using System.Collections.Generic;
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[2818] | 24 | using System.Linq;
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[5848] | 25 | using System.Reflection;
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[2655] | 26 | using System.Text;
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| 27 | using System.Windows.Forms;
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[2739] | 28 | using HeuristicLab.Common;
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[2655] | 29 | using HeuristicLab.PluginInfrastructure;
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| 30 |
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[4068] | 31 | namespace HeuristicLab.Core.Views {
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[2655] | 32 | public partial class TypeSelector : UserControl {
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[2952] | 33 | protected List<TreeNode> treeNodes;
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| 34 | protected string currentSearchString;
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[3588] | 35 | protected TypeSelectorDialog typeSelectorDialog;
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[2952] | 36 |
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[5850] | 37 | protected IEnumerable<Type> baseTypes;
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| 38 | public IEnumerable<Type> BaseTypes {
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| 39 | get { return baseTypes; }
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[2655] | 40 | }
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[2676] | 41 | protected bool showNotInstantiableTypes;
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[2655] | 42 | public bool ShowNotInstantiableTypes {
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| 43 | get { return showNotInstantiableTypes; }
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| 44 | }
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[2676] | 45 | protected bool showGenericTypes;
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[2655] | 46 | public bool ShowGenericTypes {
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| 47 | get { return showGenericTypes; }
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| 48 | }
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| 49 | public string Caption {
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[2676] | 50 | get { return typesGroupBox.Text; }
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[2655] | 51 | set {
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| 52 | if (InvokeRequired)
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| 53 | Invoke(new Action<string>(delegate(string s) { Caption = s; }), value);
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| 54 | else
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[2676] | 55 | typesGroupBox.Text = value;
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[2655] | 56 | }
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| 57 | }
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| 58 | public TreeView TypesTreeView {
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| 59 | get { return typesTreeView; }
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| 60 | }
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[2676] | 61 | protected Type selectedType;
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[2655] | 62 | public Type SelectedType {
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| 63 | get { return selectedType; }
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| 64 | private set {
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| 65 | if (value != selectedType) {
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| 66 | selectedType = value;
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| 67 | OnSelectedTypeChanged();
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| 68 | }
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| 69 | }
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| 70 | }
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| 71 |
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| 72 | public TypeSelector() {
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| 73 | InitializeComponent();
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[2952] | 74 | treeNodes = new List<TreeNode>();
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| 75 | currentSearchString = string.Empty;
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[2655] | 76 | selectedType = null;
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| 77 | }
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| 78 |
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[5237] | 79 | protected override void Dispose(bool disposing) {
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| 80 | if (disposing) {
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| 81 | if (typeSelectorDialog != null) typeSelectorDialog.Dispose();
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| 82 | if (components != null) components.Dispose();
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| 83 | }
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| 84 | base.Dispose(disposing);
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| 85 | }
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| 86 |
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[2676] | 87 | public virtual void Configure(Type baseType, bool showNotInstantiableTypes, bool showGenericTypes) {
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[5898] | 88 | Configure(new List<Type>() { baseType }, showNotInstantiableTypes, showGenericTypes, true);
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[5850] | 89 | }
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| 90 |
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[5903] | 91 | public virtual void Configure(IEnumerable<Type> baseTypes, bool showNotInstantiableTypes, bool showGenericTypes, bool assignableToAllTypes) {
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[5850] | 92 | if (baseTypes == null) throw new ArgumentNullException();
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[2655] | 93 | if (InvokeRequired)
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[5903] | 94 | Invoke(new Action<IEnumerable<Type>, bool, bool, bool>(Configure), baseTypes, showNotInstantiableTypes, showGenericTypes, assignableToAllTypes);
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[2655] | 95 | else {
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[5850] | 96 | this.baseTypes = baseTypes;
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[2655] | 97 | this.showNotInstantiableTypes = showNotInstantiableTypes;
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| 98 | this.showGenericTypes = showGenericTypes;
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| 99 |
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[3588] | 100 | typeParametersSplitContainer.Panel2Collapsed = !showGenericTypes;
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| 101 |
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[2952] | 102 | TreeNode selectedNode = typesTreeView.SelectedNode;
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[2655] | 103 | typesTreeView.Nodes.Clear();
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[2952] | 104 | treeNodes.Clear();
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[2655] | 105 | imageList.Images.Clear();
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[5287] | 106 | imageList.Images.Add(HeuristicLab.Common.Resources.VSImageLibrary.Class); // default icon
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| 107 | imageList.Images.Add(HeuristicLab.Common.Resources.VSImageLibrary.Namespace); // plugins
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| 108 | imageList.Images.Add(HeuristicLab.Common.Resources.VSImageLibrary.Interface); // interfaces
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| 109 | imageList.Images.Add(HeuristicLab.Common.Resources.VSImageLibrary.Template); // generic types
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[2655] | 110 |
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| 111 | var plugins = from p in ApplicationManager.Manager.Plugins
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| 112 | orderby p.Name, p.Version ascending
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| 113 | select p;
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| 114 | foreach (IPluginDescription plugin in plugins) {
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| 115 | TreeNode pluginNode = new TreeNode();
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[5898] | 116 | pluginNode.Text = string.Format("{0} {1}.{2}", plugin.Name, plugin.Version.Major, plugin.Version.Minor);
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[2655] | 117 | pluginNode.ImageIndex = 1;
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| 118 | pluginNode.SelectedImageIndex = pluginNode.ImageIndex;
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| 119 | pluginNode.Tag = plugin;
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| 120 |
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[6019] | 121 | var types = from t in ApplicationManager.Manager.GetTypes(BaseTypes, plugin, !ShowNotInstantiableTypes, assignableToAllTypes)
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[2655] | 122 | orderby t.Name ascending
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| 123 | select t;
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| 124 | foreach (Type type in types) {
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| 125 | bool valid = true;
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| 126 | valid = valid && (ShowGenericTypes || !type.ContainsGenericParameters);
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[4261] | 127 | valid = valid && (ShowNotInstantiableTypes || type.GetConstructor(Type.EmptyTypes) != null); //check for public default ctor
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[2655] | 128 | if (valid) {
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| 129 | TreeNode typeNode = new TreeNode();
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| 130 | string name = ItemAttribute.GetName(type);
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[2739] | 131 | typeNode.Text = name != null ? name : type.GetPrettyName();
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[2655] | 132 | typeNode.ImageIndex = 0;
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| 133 | if (type.IsInterface) typeNode.ImageIndex = 2;
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[3528] | 134 | else if (type.ContainsGenericParameters) typeNode.ImageIndex = 3;
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[2655] | 135 | else if (imageList.Images.ContainsKey(type.FullName)) typeNode.ImageIndex = imageList.Images.IndexOfKey(type.FullName);
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[5848] | 136 | else if (typeof(IItem).IsAssignableFrom(type) && !type.IsInterface && !type.IsAbstract && type.GetConstructor(Type.EmptyTypes) != null) {
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| 137 | IItem item = (IItem)Activator.CreateInstance(type);
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| 138 | imageList.Images.Add(type.FullName, item.ItemImage);
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| 139 | typeNode.ImageIndex = imageList.Images.IndexOfKey(type.FullName);
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[2655] | 140 | }
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| 141 | typeNode.SelectedImageIndex = typeNode.ImageIndex;
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| 142 | typeNode.Tag = type;
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| 143 | pluginNode.Nodes.Add(typeNode);
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| 144 | }
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| 145 | }
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| 146 | if (pluginNode.Nodes.Count > 0)
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[2952] | 147 | treeNodes.Add(pluginNode);
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[2655] | 148 | }
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[2952] | 149 | foreach (TreeNode node in treeNodes)
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| 150 | typesTreeView.Nodes.Add((TreeNode)node.Clone());
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| 151 | RestoreSelectedNode(selectedNode);
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| 152 | Filter(searchTextBox.Text);
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[3588] | 153 |
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| 154 | UpdateTypeParameters();
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[2952] | 155 | }
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| 156 | }
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| 157 |
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| 158 | public virtual void Filter(string searchString) {
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| 159 | if (InvokeRequired)
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| 160 | Invoke(new Action<string>(Filter), searchString);
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| 161 | else {
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| 162 | searchString = searchString.ToLower();
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[4826] | 163 |
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[2952] | 164 | if (!searchString.Contains(currentSearchString)) {
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[4826] | 165 | typesTreeView.BeginUpdate();
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[2952] | 166 | // expand search -> restore all tree nodes
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| 167 | TreeNode selectedNode = typesTreeView.SelectedNode;
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| 168 | typesTreeView.Nodes.Clear();
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| 169 | foreach (TreeNode node in treeNodes)
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| 170 | typesTreeView.Nodes.Add((TreeNode)node.Clone());
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| 171 | RestoreSelectedNode(selectedNode);
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[4826] | 172 | typesTreeView.EndUpdate();
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[2952] | 173 | }
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| 174 |
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[4826] | 175 |
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[2952] | 176 | // remove nodes
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[4826] | 177 | typesTreeView.BeginUpdate();
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[2952] | 178 | int i = 0;
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| 179 | while (i < typesTreeView.Nodes.Count) {
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| 180 | int j = 0;
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| 181 | while (j < typesTreeView.Nodes[i].Nodes.Count) {
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| 182 | if (!typesTreeView.Nodes[i].Nodes[j].Text.ToLower().Contains(searchString))
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| 183 | typesTreeView.Nodes[i].Nodes[j].Remove();
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| 184 | else
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| 185 | j++;
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| 186 | }
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| 187 | if (typesTreeView.Nodes[i].Nodes.Count == 0)
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| 188 | typesTreeView.Nodes[i].Remove();
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| 189 | else
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| 190 | i++;
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| 191 | }
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[3516] | 192 | typesTreeView.EndUpdate();
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[2952] | 193 | currentSearchString = searchString;
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| 194 |
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| 195 | // if there is just one type node left, select by default
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| 196 | if (typesTreeView.Nodes.Count == 1) {
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| 197 | if (typesTreeView.Nodes[0].Nodes.Count == 1) {
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| 198 | typesTreeView.SelectedNode = typesTreeView.Nodes[0].Nodes[0];
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| 199 | }
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| 200 | }
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| 201 |
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[2655] | 202 | if (typesTreeView.Nodes.Count == 0) {
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[2952] | 203 | SelectedType = null;
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[2655] | 204 | typesTreeView.Enabled = false;
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| 205 | } else {
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[2952] | 206 | SetTreeNodeVisibility();
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| 207 | typesTreeView.Enabled = true;
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[2655] | 208 | }
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[2952] | 209 | UpdateDescription();
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[2655] | 210 | }
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| 211 | }
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| 212 |
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[2676] | 213 | public virtual object CreateInstanceOfSelectedType(params object[] args) {
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[2999] | 214 | if (SelectedType == null)
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| 215 | throw new InvalidOperationException("No type selected.");
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| 216 | else
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[2655] | 217 | return Activator.CreateInstance(SelectedType, args);
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| 218 | }
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| 219 |
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[3588] | 220 | protected virtual void UpdateTypeParameters() {
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| 221 | typeParametersListView.Items.Clear();
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| 222 | if ((SelectedType == null) || !SelectedType.ContainsGenericParameters) {
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| 223 | typeParametersGroupBox.Enabled = false;
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| 224 | typeParametersSplitContainer.Panel2Collapsed = true;
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| 225 | } else {
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| 226 | typeParametersGroupBox.Enabled = true;
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| 227 | typeParametersSplitContainer.Panel2Collapsed = false;
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| 228 | setTypeParameterButton.Enabled = false;
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| 229 |
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| 230 | foreach (Type param in SelectedType.GetGenericArguments()) {
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| 231 | if (param.IsGenericParameter) {
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| 232 | ListViewItem item = new ListViewItem();
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| 233 | item.Text = param.Name;
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| 234 |
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| 235 | item.ToolTipText = "Constraints:";
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| 236 | Type[] constraints = param.GetGenericParameterConstraints();
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| 237 | if (constraints.Length == 0) {
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| 238 | item.ToolTipText += " none";
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| 239 | } else {
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| 240 | foreach (Type constraint in constraints)
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| 241 | item.ToolTipText += " " + constraint.GetPrettyName();
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| 242 | }
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| 243 |
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| 244 | item.Tag = param;
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| 245 | typeParametersListView.Items.Add(item);
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| 246 | }
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| 247 | }
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| 248 | typeParametersListView.Columns[0].AutoResize(ColumnHeaderAutoResizeStyle.ColumnContent);
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| 249 | }
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[2655] | 250 | }
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| 251 |
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[3588] | 252 | protected virtual void SetTypeParameter() {
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| 253 | if (typeSelectorDialog == null) {
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| 254 | typeSelectorDialog = new TypeSelectorDialog();
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| 255 | typeSelectorDialog.Caption = "Select Type of Generic Type Parameter";
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| 256 | }
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| 257 | Type param = typeParametersListView.SelectedItems[0].Tag as Type;
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[5850] | 258 | Type[] constraints = param.GetGenericParameterConstraints();
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[5848] | 259 | bool showNotInstantiableTypes = !param.GenericParameterAttributes.HasFlag(GenericParameterAttributes.DefaultConstructorConstraint);
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[5898] | 260 | typeSelectorDialog.TypeSelector.Configure(constraints, showNotInstantiableTypes, true, true);
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[3588] | 261 |
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| 262 | if (typeSelectorDialog.ShowDialog(this) == DialogResult.OK) {
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| 263 | Type selected = typeSelectorDialog.TypeSelector.SelectedType;
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| 264 | Type[] parameters = SelectedType.GetGenericArguments();
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| 265 | parameters[param.GenericParameterPosition] = selected;
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| 266 | SelectedType = SelectedType.GetGenericTypeDefinition().MakeGenericType(parameters);
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| 267 |
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| 268 | typeParametersListView.SelectedItems[0].Text = param.Name + ": " + selected.GetPrettyName();
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| 269 | typeParametersListView.Columns[0].AutoResize(ColumnHeaderAutoResizeStyle.ColumnContent);
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| 270 | }
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| 271 | }
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| 272 |
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[2676] | 273 | protected virtual void UpdateDescription() {
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[2655] | 274 | descriptionTextBox.Text = string.Empty;
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| 275 |
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| 276 | if (typesTreeView.SelectedNode != null) {
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| 277 | IPluginDescription plugin = typesTreeView.SelectedNode.Tag as IPluginDescription;
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| 278 | if (plugin != null) {
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| 279 | StringBuilder sb = new StringBuilder();
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| 280 | sb.Append("Plugin: ").Append(plugin.Name).Append(Environment.NewLine);
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| 281 | sb.Append("Version: ").Append(plugin.Version.ToString()).Append(Environment.NewLine);
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| 282 | descriptionTextBox.Text = sb.ToString();
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| 283 | }
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| 284 | Type type = typesTreeView.SelectedNode.Tag as Type;
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| 285 | if (type != null) {
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| 286 | string description = ItemAttribute.GetDescription(type);
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| 287 | if (description != null)
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| 288 | descriptionTextBox.Text = description;
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| 289 | }
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[2952] | 290 | } else if (typesTreeView.Nodes.Count == 0) {
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| 291 | descriptionTextBox.Text = "No types found";
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[2655] | 292 | }
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| 293 | }
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| 294 |
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[3588] | 295 | #region Events
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| 296 | public event EventHandler SelectedTypeChanged;
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| 297 | protected virtual void OnSelectedTypeChanged() {
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| 298 | if (SelectedTypeChanged != null)
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| 299 | SelectedTypeChanged(this, EventArgs.Empty);
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| 300 | }
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| 301 | #endregion
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| 302 |
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| 303 | #region Control Events
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[2952] | 304 | protected virtual void searchTextBox_TextChanged(object sender, System.EventArgs e) {
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| 305 | Filter(searchTextBox.Text);
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| 306 | }
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| 307 |
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[2676] | 308 | protected virtual void typesTreeView_AfterSelect(object sender, TreeViewEventArgs e) {
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[2952] | 309 | if (typesTreeView.SelectedNode == null) SelectedType = null;
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| 310 | else SelectedType = typesTreeView.SelectedNode.Tag as Type;
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[3588] | 311 | UpdateTypeParameters();
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[2655] | 312 | UpdateDescription();
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| 313 | }
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[2676] | 314 | protected virtual void typesTreeView_ItemDrag(object sender, ItemDragEventArgs e) {
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[2655] | 315 | TreeNode node = (TreeNode)e.Item;
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| 316 | Type type = node.Tag as Type;
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[2999] | 317 | if ((type != null) && (!type.IsInterface) && (!type.IsAbstract) && (!type.HasElementType) && (!type.ContainsGenericParameters)) {
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| 318 | object o = Activator.CreateInstance(type);
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| 319 | DataObject data = new DataObject();
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[5837] | 320 | data.SetData(HeuristicLab.Common.Constants.DragDropDataFormat, o);
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[2999] | 321 | DoDragDrop(data, DragDropEffects.Copy);
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[2655] | 322 | }
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| 323 | }
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[2952] | 324 | protected virtual void typesTreeView_VisibleChanged(object sender, EventArgs e) {
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| 325 | if (Visible) SetTreeNodeVisibility();
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| 326 | }
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| 327 |
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[3588] | 328 | protected virtual void typeParametersListView_SelectedIndexChanged(object sender, EventArgs e) {
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| 329 | setTypeParameterButton.Enabled = typeParametersListView.SelectedItems.Count == 1;
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| 330 | }
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| 331 | protected virtual void typeParametersListView_DoubleClick(object sender, EventArgs e) {
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| 332 | if (typeParametersListView.SelectedItems.Count == 1)
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| 333 | SetTypeParameter();
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| 334 | }
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| 335 |
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| 336 | protected virtual void setTypeParameterButton_Click(object sender, EventArgs e) {
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| 337 | SetTypeParameter();
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| 338 | }
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| 339 | #endregion
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| 340 |
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[2952] | 341 | #region Helpers
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| 342 | private void RestoreSelectedNode(TreeNode selectedNode) {
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| 343 | if (selectedNode != null) {
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| 344 | foreach (TreeNode node in typesTreeView.Nodes) {
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| 345 | if (node.Text.Equals(selectedNode.Text)) typesTreeView.SelectedNode = node;
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| 346 | foreach (TreeNode child in node.Nodes) {
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| 347 | if ((child.Text.Equals(selectedNode.Text)) && (child.Tag == selectedNode.Tag))
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| 348 | typesTreeView.SelectedNode = child;
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| 349 | }
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| 350 | }
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| 351 | if (typesTreeView.SelectedNode == null) SelectedType = null;
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| 352 | }
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| 353 | }
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| 354 | private void SetTreeNodeVisibility() {
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| 355 | TreeNode selectedNode = typesTreeView.SelectedNode;
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[2953] | 356 | if (string.IsNullOrEmpty(currentSearchString) && (typesTreeView.Nodes.Count > 1)) {
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[2952] | 357 | typesTreeView.CollapseAll();
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| 358 | if (selectedNode != null) typesTreeView.SelectedNode = selectedNode;
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| 359 | } else {
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| 360 | typesTreeView.ExpandAll();
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| 361 | }
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| 362 | if (selectedNode != null) selectedNode.EnsureVisible();
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| 363 | }
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| 364 | #endregion
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[2655] | 365 | }
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| 366 | }
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