[2] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[17226] | 3 | * Copyright (C) Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[2] | 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.Generic;
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| 24 | using System.Windows.Forms;
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[2818] | 25 | using HeuristicLab.Collections;
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[2520] | 26 | using HeuristicLab.MainForm;
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[2] | 27 |
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[2520] | 28 | namespace HeuristicLab.Core.Views {
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[776] | 29 | /// <summary>
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[2655] | 30 | /// The visual represenation of <see cref="Scope"/>.
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[776] | 31 | /// </summary>
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[2917] | 32 | [View("Scope View")]
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[2520] | 33 | [Content(typeof(Scope), true)]
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[2727] | 34 | [Content(typeof(IScope), false)]
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[2676] | 35 | public sealed partial class ScopeView : ItemView {
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[2687] | 36 | private Dictionary<IScope, TreeNode> scopeNodeTable;
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| 37 | private Dictionary<ScopeList, IScope> subScopesScopeTable;
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[2] | 38 |
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[776] | 39 | /// <summary>
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| 40 | /// Gets or sets the scope to represent visually.
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| 41 | /// </summary>
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| 42 | /// <remarks>Uses property <see cref="ViewBase.Item"/> of base class <see cref="ViewBase"/>.
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| 43 | /// No own data storage present.</remarks>
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[2713] | 44 | public new IScope Content {
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| 45 | get { return (IScope)base.Content; }
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| 46 | set { base.Content = value; }
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[2] | 47 | }
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| 48 |
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[776] | 49 | /// <summary>
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| 50 | /// Initializes a new instance of <see cref="ScopeView"/> with caption "Scope" and
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| 51 | /// property <see cref="AutomaticUpdating"/> set to <c>false</c>.
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| 52 | /// </summary>
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[2] | 53 | public ScopeView() {
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| 54 | InitializeComponent();
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[2687] | 55 | scopeNodeTable = new Dictionary<IScope, TreeNode>();
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| 56 | subScopesScopeTable = new Dictionary<ScopeList, IScope>();
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[2] | 57 | }
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| 58 |
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[5237] | 59 | /// <summary>
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| 60 | /// Clean up any resources being used.
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| 61 | /// </summary>
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| 62 | /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
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| 63 | protected override void Dispose(bool disposing) {
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| 64 | if (disposing) {
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| 65 | if (scopesTreeView.Nodes.Count > 0) {
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| 66 | ClearTreeNode(scopesTreeView.Nodes[0]);
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| 67 | }
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| 68 | if (components != null) components.Dispose();
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| 69 | }
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| 70 | base.Dispose(disposing);
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| 71 | }
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| 72 |
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[776] | 73 | /// <summary>
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| 74 | /// Updates all controls with the latest data of the model.
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| 75 | /// </summary>
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| 76 | /// <remarks>Calls <see cref="ViewBase.UpdateControls"/> of base class <see cref="ViewBase"/>.</remarks>
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[2713] | 77 | protected override void OnContentChanged() {
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| 78 | base.OnContentChanged();
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[3528] | 79 | if (scopesTreeView.Nodes.Count > 0)
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| 80 | ClearTreeNode(scopesTreeView.Nodes[0]);
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| 81 | scopesTreeView.Nodes.Clear();
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[2713] | 82 | variableCollectionView.Content = null;
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[3362] | 83 | if (Content != null) {
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[2713] | 84 | scopesTreeView.Nodes.Add(CreateTreeNode(Content));
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[2] | 85 | }
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| 86 | }
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| 87 |
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[3904] | 88 | protected override void SetEnabledStateOfControls() {
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| 89 | base.SetEnabledStateOfControls();
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[3362] | 90 | scopesTreeView.Enabled = Content != null;
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[3588] | 91 | variableCollectionView.Enabled = scopesTreeView.SelectedNode != null;
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[3362] | 92 | }
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| 93 |
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[3528] | 94 | #region TreeNode Management
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[2687] | 95 | private TreeNode CreateTreeNode(IScope scope) {
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[2] | 96 | TreeNode node = new TreeNode();
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| 97 | node.Text = scope.Name;
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| 98 | node.Tag = scope;
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| 99 |
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| 100 | scopeNodeTable.Add(scope, node);
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[2655] | 101 | scope.NameChanged += new EventHandler(Scope_NameChanged);
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[3528] | 102 | subScopesScopeTable.Add(scope.SubScopes, scope);
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[2687] | 103 | scope.SubScopes.ItemsAdded += new CollectionItemsChangedEventHandler<IndexedItem<IScope>>(SubScopes_ItemsAdded);
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| 104 | scope.SubScopes.ItemsRemoved += new CollectionItemsChangedEventHandler<IndexedItem<IScope>>(SubScopes_ItemsRemoved);
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| 105 | scope.SubScopes.ItemsReplaced += new CollectionItemsChangedEventHandler<IndexedItem<IScope>>(SubScopes_ItemsReplaced);
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| 106 | scope.SubScopes.ItemsMoved += new CollectionItemsChangedEventHandler<IndexedItem<IScope>>(SubScopes_ItemsMoved);
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| 107 | scope.SubScopes.CollectionReset += new CollectionItemsChangedEventHandler<IndexedItem<IScope>>(SubScopes_CollectionReset);
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[2] | 108 | if (scope.SubScopes.Count > 0)
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| 109 | node.Nodes.Add(new TreeNode());
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| 110 | return node;
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| 111 | }
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[2655] | 112 |
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[3528] | 113 | private void ClearTreeNode(TreeNode node) {
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| 114 | if (scopesTreeView.SelectedNode == node) {
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| 115 | scopesTreeView.SelectedNode = null;
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| 116 | UpdateVariables();
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| 117 | }
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| 118 |
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[2] | 119 | foreach (TreeNode child in node.Nodes)
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[3528] | 120 | ClearTreeNode(child);
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[2] | 121 |
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[2687] | 122 | IScope scope = node.Tag as IScope;
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[2655] | 123 | if (scope != null) {
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[3528] | 124 | scope.NameChanged -= new EventHandler(Scope_NameChanged);
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[2] | 125 | scopeNodeTable.Remove(scope);
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[2687] | 126 | scope.SubScopes.ItemsAdded -= new CollectionItemsChangedEventHandler<IndexedItem<IScope>>(SubScopes_ItemsAdded);
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| 127 | scope.SubScopes.ItemsRemoved -= new CollectionItemsChangedEventHandler<IndexedItem<IScope>>(SubScopes_ItemsRemoved);
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| 128 | scope.SubScopes.ItemsReplaced -= new CollectionItemsChangedEventHandler<IndexedItem<IScope>>(SubScopes_ItemsReplaced);
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| 129 | scope.SubScopes.ItemsMoved -= new CollectionItemsChangedEventHandler<IndexedItem<IScope>>(SubScopes_ItemsMoved);
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| 130 | scope.SubScopes.CollectionReset -= new CollectionItemsChangedEventHandler<IndexedItem<IScope>>(SubScopes_CollectionReset);
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[2655] | 131 | subScopesScopeTable.Remove(scope.SubScopes);
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[2] | 132 | }
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| 133 | }
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[3528] | 134 | #endregion
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[2] | 135 |
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| 136 | #region TreeView Events
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[3528] | 137 | private void scopesTreeView_AfterSelect(object sender, TreeViewEventArgs e) {
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| 138 | UpdateVariables();
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| 139 | }
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[2655] | 140 | private void scopesTreeView_MouseDown(object sender, MouseEventArgs e) {
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| 141 | TreeNode node = scopesTreeView.GetNodeAt(e.X, e.Y);
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[3528] | 142 | scopesTreeView.SelectedNode = node;
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| 143 | UpdateVariables();
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[2] | 144 | }
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| 145 | private void scopesTreeView_BeforeExpand(object sender, TreeViewCancelEventArgs e) {
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| 146 | TreeNode node = e.Node;
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[2687] | 147 | IScope scope = (IScope)node.Tag;
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[2] | 148 |
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| 149 | node.Nodes.Clear();
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| 150 | for (int i = 0; i < scope.SubScopes.Count; i++)
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| 151 | node.Nodes.Add(CreateTreeNode(scope.SubScopes[i]));
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| 152 | }
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| 153 | private void scopesTreeView_AfterCollapse(object sender, System.Windows.Forms.TreeViewEventArgs e) {
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| 154 | TreeNode node = e.Node;
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[2687] | 155 | IScope scope = (IScope)node.Tag;
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[2] | 156 |
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| 157 | if (node.Nodes.Count > 0) {
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| 158 | for (int i = 0; i < node.Nodes.Count; i++)
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[3528] | 159 | ClearTreeNode(node.Nodes[i]);
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[2] | 160 | node.Nodes.Clear();
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| 161 | node.Nodes.Add(new TreeNode());
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| 162 | }
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| 163 | }
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| 164 | private void scopesTreeView_ItemDrag(object sender, ItemDragEventArgs e) {
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[3432] | 165 | if (!Locked) {
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| 166 | TreeNode node = (TreeNode)e.Item;
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| 167 | IScope scope = node.Tag as IScope;
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| 168 | if (scope != null) {
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| 169 | DataObject data = new DataObject();
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[5837] | 170 | data.SetData(HeuristicLab.Common.Constants.DragDropDataFormat, scope);
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[3432] | 171 | DoDragDrop(data, DragDropEffects.Copy | DragDropEffects.Link);
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| 172 | }
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[2] | 173 | }
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| 174 | }
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| 175 | #endregion
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| 176 |
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[3528] | 177 | #region Content Events
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[2655] | 178 | private void Scope_NameChanged(object sender, EventArgs e) {
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| 179 | if (InvokeRequired)
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| 180 | Invoke(new EventHandler(Scope_NameChanged), sender, e);
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| 181 | else {
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[2687] | 182 | IScope scope = (IScope)sender;
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[3561] | 183 | TreeNode node = null;
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| 184 | scopeNodeTable.TryGetValue(scope, out node);
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| 185 | if (node != null) node.Text = scope.Name;
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[2] | 186 | }
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| 187 | }
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[2687] | 188 | private void SubScopes_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<IScope>> e) {
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[2655] | 189 | if (InvokeRequired)
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[2687] | 190 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<IScope>>(SubScopes_ItemsAdded), sender, e);
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[2655] | 191 | else {
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[3561] | 192 | IScope parentScope = null;
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| 193 | subScopesScopeTable.TryGetValue((ScopeList)sender, out parentScope);
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| 194 | if (parentScope != null) {
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| 195 | TreeNode parentNode = null;
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| 196 | scopeNodeTable.TryGetValue(parentScope, out parentNode);
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| 197 | if (parentNode != null) {
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| 198 | scopesTreeView.BeginUpdate();
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| 199 | if (parentNode.IsExpanded) {
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| 200 | foreach (IndexedItem<IScope> item in e.Items) {
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| 201 | TreeNode node = CreateTreeNode(item.Value);
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| 202 | parentNode.Nodes.Insert(item.Index, node);
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| 203 | }
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| 204 | } else if (parentNode.Nodes.Count == 0) {
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| 205 | parentNode.Nodes.Add(new TreeNode());
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| 206 | }
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| 207 | scopesTreeView.EndUpdate();
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[2655] | 208 | }
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| 209 | }
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| 210 | }
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[2] | 211 | }
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[2687] | 212 | private void SubScopes_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<IScope>> e) {
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[2655] | 213 | if (InvokeRequired)
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[2687] | 214 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<IScope>>(SubScopes_ItemsRemoved), sender, e);
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[2655] | 215 | else {
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[3561] | 216 | IScope parentScope = null;
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| 217 | subScopesScopeTable.TryGetValue((ScopeList)sender, out parentScope);
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| 218 | if (parentScope != null) {
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| 219 | TreeNode parentNode = null;
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| 220 | scopeNodeTable.TryGetValue(parentScope, out parentNode);
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| 221 | if (parentNode != null) {
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| 222 | scopesTreeView.BeginUpdate();
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| 223 | if (parentNode.IsExpanded) {
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| 224 | foreach (IndexedItem<IScope> item in e.Items) {
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| 225 | TreeNode node = scopeNodeTable[item.Value];
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| 226 | ClearTreeNode(node);
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| 227 | node.Remove();
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| 228 | }
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| 229 | } else if (parentScope.SubScopes.Count == 0) {
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| 230 | parentNode.Nodes.Clear();
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| 231 | }
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| 232 | scopesTreeView.EndUpdate();
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[2655] | 233 | }
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| 234 | }
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[2] | 235 | }
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| 236 | }
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[2687] | 237 | private void SubScopes_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<IScope>> e) {
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[2655] | 238 | if (InvokeRequired)
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[2687] | 239 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<IScope>>(SubScopes_ItemsReplaced), sender, e);
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[2655] | 240 | else {
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[3561] | 241 | IScope parentScope = null;
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| 242 | subScopesScopeTable.TryGetValue((ScopeList)sender, out parentScope);
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| 243 | if (parentScope != null) {
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| 244 | TreeNode parentNode = null;
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| 245 | scopeNodeTable.TryGetValue(parentScope, out parentNode);
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| 246 | if (parentNode != null) {
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| 247 | scopesTreeView.BeginUpdate();
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| 248 | if (parentNode.IsExpanded) {
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| 249 | foreach (IndexedItem<IScope> item in e.Items) {
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| 250 | TreeNode node = parentNode.Nodes[item.Index];
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| 251 | ClearTreeNode(node);
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| 252 | node.Remove();
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| 253 | node = CreateTreeNode(item.Value);
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| 254 | parentNode.Nodes.Insert(item.Index, node);
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| 255 | }
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| 256 | scopesTreeView.EndUpdate();
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| 257 | }
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[2655] | 258 | }
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[2] | 259 | }
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| 260 | }
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| 261 | }
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[2687] | 262 | private void SubScopes_ItemsMoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<IScope>> e) {
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[2655] | 263 | if (InvokeRequired)
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[2687] | 264 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<IScope>>(SubScopes_ItemsMoved), sender, e);
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[2655] | 265 | else {
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[3561] | 266 | IScope parentScope = null;
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| 267 | subScopesScopeTable.TryGetValue((ScopeList)sender, out parentScope);
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| 268 | if (parentScope != null) {
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| 269 | TreeNode parentNode = null;
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| 270 | scopeNodeTable.TryGetValue(parentScope, out parentNode);
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| 271 | if (parentNode != null) {
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| 272 | scopesTreeView.BeginUpdate();
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| 273 | if (parentNode.IsExpanded) {
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| 274 | parentNode.Nodes.Clear();
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| 275 | foreach (IndexedItem<IScope> item in e.Items)
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| 276 | parentNode.Nodes.Insert(item.Index, scopeNodeTable[item.Value]);
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| 277 | }
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| 278 | scopesTreeView.EndUpdate();
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| 279 | }
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[2655] | 280 | }
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[2] | 281 | }
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| 282 | }
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[2687] | 283 | private void SubScopes_CollectionReset(object sender, CollectionItemsChangedEventArgs<IndexedItem<IScope>> e) {
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[2655] | 284 | if (InvokeRequired)
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[2687] | 285 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<IScope>>(SubScopes_CollectionReset), sender, e);
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[2655] | 286 | else {
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[3561] | 287 | IScope parentScope = null;
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| 288 | subScopesScopeTable.TryGetValue((ScopeList)sender, out parentScope);
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| 289 | if (parentScope != null) {
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| 290 | TreeNode parentNode = null;
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| 291 | scopeNodeTable.TryGetValue(parentScope, out parentNode);
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| 292 | if (parentNode != null) {
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| 293 | scopesTreeView.BeginUpdate();
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| 294 | if (parentNode.IsExpanded) {
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| 295 | foreach (TreeNode node in parentNode.Nodes)
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| 296 | ClearTreeNode(node);
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| 297 | parentNode.Nodes.Clear();
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| 298 | foreach (IndexedItem<IScope> item in e.Items) {
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| 299 | TreeNode node = CreateTreeNode(item.Value);
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| 300 | parentNode.Nodes.Insert(item.Index, node);
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| 301 | }
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| 302 | } else {
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| 303 | parentNode.Nodes.Clear();
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| 304 | if (parentScope.SubScopes.Count > 0)
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| 305 | parentNode.Nodes.Add(new TreeNode());
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| 306 | }
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| 307 | scopesTreeView.EndUpdate();
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[2655] | 308 | }
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| 309 | }
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[2] | 310 | }
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| 311 | }
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| 312 | #endregion
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[3528] | 313 |
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| 314 | #region Helpers
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| 315 | private void UpdateVariables() {
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| 316 | if (scopesTreeView.SelectedNode == null) {
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| 317 | variableCollectionView.Content = null;
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| 318 | variableCollectionView.Enabled = false;
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| 319 | } else {
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| 320 | variableCollectionView.Enabled = true;
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| 321 | variableCollectionView.Content = ((IScope)scopesTreeView.SelectedNode.Tag).Variables;
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| 322 | }
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| 323 | }
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| 324 | #endregion
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[2] | 325 | }
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| 326 | }
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