[2655] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[7270] | 3 | * Copyright (C) 2002-2012 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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[5744] | 22 | using System.Collections;
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| 23 | using System.Collections.Generic;
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| 24 | using System.Linq;
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[2655] | 25 | using System.Windows.Forms;
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| 26 | using HeuristicLab.Collections;
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| 27 | using HeuristicLab.MainForm;
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| 28 |
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| 29 | namespace HeuristicLab.Core.Views {
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[2917] | 30 | [View("NamedItemCollection View")]
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[2727] | 31 | [Content(typeof(NamedItemCollection<>), true)]
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[2655] | 32 | public partial class NamedItemCollectionView<T> : ItemCollectionView<T> where T : class, INamedItem {
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[3393] | 33 | public new IKeyedItemCollection<string, T> Content {
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| 34 | get { return (IKeyedItemCollection<string, T>)base.Content; }
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[2713] | 35 | set { base.Content = value; }
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[2655] | 36 | }
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| 37 |
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| 38 | public NamedItemCollectionView() {
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| 39 | InitializeComponent();
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| 40 | }
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| 41 |
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[2713] | 42 | protected override void DeregisterContentEvents() {
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| 43 | Content.ItemsReplaced -= new CollectionItemsChangedEventHandler<T>(Content_ItemsReplaced);
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| 44 | base.DeregisterContentEvents();
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[2655] | 45 | }
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[2713] | 46 | protected override void RegisterContentEvents() {
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| 47 | base.RegisterContentEvents();
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| 48 | Content.ItemsReplaced += new CollectionItemsChangedEventHandler<T>(Content_ItemsReplaced);
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[2655] | 49 | }
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| 50 |
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[3775] | 51 | protected override void OnContentChanged() {
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| 52 | string selectedName = null;
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[5829] | 53 | if ((itemsListView.SelectedItems.Count == 1) && (itemsListView.SelectedItems[0].Tag != null &&
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| 54 | itemsListView.SelectedItems[0].Tag is T))
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[3775] | 55 | selectedName = ((T)itemsListView.SelectedItems[0].Tag).Name;
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| 56 | base.OnContentChanged();
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| 57 | if (selectedName != null) {
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| 58 | foreach (ListViewItem item in itemsListView.Items) {
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| 59 | if ((item.Tag != null) && (((T)item.Tag).Name.Equals(selectedName)))
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| 60 | item.Selected = true;
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| 61 | }
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| 62 | }
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| 63 | }
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| 64 |
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[2655] | 65 | protected override T CreateItem() {
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| 66 | T item = base.CreateItem();
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| 67 | if (item != null) {
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| 68 | item.Name = GetUniqueName(item.Name);
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| 69 | }
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| 70 | return item;
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| 71 | }
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[2947] | 72 | protected override ListViewItem CreateListViewItem(T item) {
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| 73 | ListViewItem listViewItem = base.CreateListViewItem(item);
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[5237] | 74 | if ((item != null) && !string.IsNullOrEmpty(item.Description)) {
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| 75 | listViewItem.ToolTipText = item.ItemName + ": " + item.Description;
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| 76 | }
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[2947] | 77 | return listViewItem;
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| 78 | }
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[7270] | 79 | protected override void UpdateListViewItemText(ListViewItem listViewItem) {
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| 80 | base.UpdateListViewItemText(listViewItem);
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| 81 | T item = listViewItem.Tag as T;
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| 82 | if ((item != null) && !string.IsNullOrEmpty(item.Description)) {
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| 83 | listViewItem.ToolTipText = item.ItemName + ": " + item.Description;
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| 84 | }
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| 85 | }
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[3362] | 86 |
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[2655] | 87 | #region ListView Events
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[5744] | 88 | protected override void itemsListView_DragEnter(object sender, DragEventArgs e) {
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| 89 | base.itemsListView_DragEnter(sender, e);
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| 90 | if (validDragOperation) {
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[5837] | 91 | if (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) is T) {
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| 92 | validDragOperation = validDragOperation && !Content.ContainsKey(((T)e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat)).Name);
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| 93 | } else if (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) is IEnumerable) {
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| 94 | IEnumerable<T> items = ((IEnumerable)e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat)).Cast<T>();
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[5744] | 95 | foreach (T item in items)
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| 96 | validDragOperation = validDragOperation && !Content.ContainsKey(item.Name);
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| 97 | }
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[2655] | 98 | }
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| 99 | }
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| 100 | #endregion
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| 101 |
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[2713] | 102 | #region Content Events
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| 103 | protected virtual void Content_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<T> e) {
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[2655] | 104 | if (InvokeRequired)
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[2713] | 105 | Invoke(new CollectionItemsChangedEventHandler<T>(Content_ItemsReplaced), sender, e);
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[2655] | 106 | else {
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| 107 | foreach (T item in e.Items) {
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| 108 | foreach (ListViewItem listViewItem in GetListViewItemsForItem(item))
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[3327] | 109 | UpdateListViewItemText(listViewItem);
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[2655] | 110 | }
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[3362] | 111 | AdjustListViewColumnSizes();
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[2655] | 112 | }
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| 113 | }
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| 114 | #endregion
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| 115 |
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| 116 | #region Helpers
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[2676] | 117 | protected virtual string GetUniqueName(string originalName) {
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[2713] | 118 | if (!Content.ContainsKey(originalName))
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[2655] | 119 | return originalName;
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| 120 | else {
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| 121 | string name = null;
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| 122 | int index = 0;
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| 123 | do {
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| 124 | index++;
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| 125 | name = originalName + index.ToString();
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[2713] | 126 | } while (Content.ContainsKey(name));
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[2655] | 127 | return name;
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| 128 | }
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| 129 | }
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| 130 | #endregion
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| 131 | }
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| 132 | }
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