| 1 | using System;
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| 2 | using System.Collections.Generic;
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| 3 | using System.ComponentModel;
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| 4 | using System.Drawing;
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| 5 | using System.Data;
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| 6 | using System.Linq;
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| 7 | using System.Text;
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| 8 | using System.Windows.Forms;
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| 9 | using HeuristicLab.MainForm;
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| 10 | using HeuristicLab.Core;
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| 11 | using HeuristicLab.Core.Views;
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| 12 | using HeuristicLab.Collections;
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| 13 | using HeuristicLab.PluginInfrastructure;
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| 14 |
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| 15 | namespace HeuristicLab.Problems.MetaOptimization.Views {
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| 16 |
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| 17 | [View("ItemDictionaryView")]
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| 18 | [Content(typeof(ItemDictionary<,>), IsDefaultView = false)]
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| 19 | public partial class ItemDictionaryView<K, T> : ItemView
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| 20 | where K : class, IItem
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| 21 | where T : class, IItem {
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| 22 | protected Dictionary<KeyValuePair<K, T>, List<ListViewItem>> itemListViewItemMapping;
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| 23 | protected TypeSelectorDialog typeSelectorDialog;
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| 24 |
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| 25 | public new ItemDictionary<K, T> Content {
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| 26 | get { return (ItemDictionary<K, T>)base.Content; }
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| 27 | set { base.Content = value; }
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| 28 | }
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| 29 |
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| 30 | public ListView ItemsListView {
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| 31 | get { return itemsListView; }
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| 32 | }
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| 33 |
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| 34 | public ItemDictionaryView() {
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| 35 | InitializeComponent();
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| 36 | itemListViewItemMapping = new Dictionary<KeyValuePair<K, T>, List<ListViewItem>>();
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| 37 | }
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| 38 |
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| 39 | protected override void Dispose(bool disposing) {
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| 40 | if (disposing) {
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| 41 | if (typeSelectorDialog != null) typeSelectorDialog.Dispose();
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| 42 | if (components != null) components.Dispose();
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| 43 | }
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| 44 | base.Dispose(disposing);
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| 45 | }
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| 46 |
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| 47 | protected override void DeregisterContentEvents() {
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| 48 | Content.ItemsAdded -= new CollectionItemsChangedEventHandler<KeyValuePair<K, T>>(Content_ItemsAdded);
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| 49 | Content.ItemsRemoved -= new CollectionItemsChangedEventHandler<KeyValuePair<K, T>>(Content_ItemsRemoved);
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| 50 | Content.CollectionReset -= new CollectionItemsChangedEventHandler<KeyValuePair<K, T>>(Content_CollectionReset);
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| 51 | foreach (KeyValuePair<K, T> item in itemListViewItemMapping.Keys) {
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| 52 | DeregisterItemEvents(item);
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| 53 | }
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| 54 | base.DeregisterContentEvents();
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| 55 | }
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| 56 | protected override void RegisterContentEvents() {
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| 57 | base.RegisterContentEvents();
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| 58 | Content.ItemsAdded += new CollectionItemsChangedEventHandler<KeyValuePair<K, T>>(Content_ItemsAdded);
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| 59 | Content.ItemsRemoved += new CollectionItemsChangedEventHandler<KeyValuePair<K, T>>(Content_ItemsRemoved);
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| 60 | Content.CollectionReset += new CollectionItemsChangedEventHandler<KeyValuePair<K, T>>(Content_CollectionReset);
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| 61 | }
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| 62 | protected virtual void DeregisterItemEvents(KeyValuePair<K, T> item) {
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| 63 | item.Value.ItemImageChanged -= new EventHandler(Item_ItemImageChanged);
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| 64 | item.Key.ToStringChanged -= new EventHandler(Item_ToStringChanged);
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| 65 | }
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| 66 | protected virtual void RegisterItemEvents(KeyValuePair<K, T> item) {
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| 67 | item.Value.ItemImageChanged += new EventHandler(Item_ItemImageChanged);
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| 68 | item.Key.ToStringChanged += new EventHandler(Item_ToStringChanged);
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| 69 | }
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| 70 |
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| 71 | protected override void OnContentChanged() {
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| 72 | base.OnContentChanged();
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| 73 | itemsListView.Items.Clear();
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| 74 | itemListViewItemMapping.Clear();
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| 75 | RebuildImageList();
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| 76 | viewHost.Content = null;
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| 77 | if (Content != null) {
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| 78 | Caption += " (" + Content.GetType().Name + ")";
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| 79 | foreach (KeyValuePair<K, T> item in Content)
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| 80 | AddListViewItem(CreateListViewItem(item));
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| 81 | AdjustListViewColumnSizes();
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| 82 | SortItemsListView(SortOrder.Ascending);
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| 83 | }
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| 84 | }
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| 85 |
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| 86 | protected override void SetEnabledStateOfControls() {
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| 87 | base.SetEnabledStateOfControls();
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| 88 | if (Content == null) {
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| 89 | addButton.Enabled = false;
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| 90 | sortAscendingButton.Enabled = false;
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| 91 | sortDescendingButton.Enabled = false;
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| 92 | removeButton.Enabled = false;
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| 93 | itemsListView.Enabled = false;
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| 94 | detailsGroupBox.Enabled = false;
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| 95 | } else {
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| 96 | addButton.Enabled = !ReadOnly;
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| 97 | sortAscendingButton.Enabled = itemsListView.Items.Count > 1;
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| 98 | sortDescendingButton.Enabled = itemsListView.Items.Count > 1;
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| 99 | removeButton.Enabled = !ReadOnly && itemsListView.SelectedItems.Count > 0;
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| 100 | itemsListView.Enabled = true;
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| 101 | detailsGroupBox.Enabled = itemsListView.SelectedItems.Count == 1;
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| 102 | }
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| 103 | }
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| 104 |
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| 105 | protected virtual T CreateItem() {
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| 106 | if (typeSelectorDialog == null) {
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| 107 | typeSelectorDialog = new TypeSelectorDialog();
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| 108 | typeSelectorDialog.Caption = "Select Item";
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| 109 | typeSelectorDialog.TypeSelector.Caption = "Available Items";
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| 110 | typeSelectorDialog.TypeSelector.Configure(typeof(T), false, true);
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| 111 | }
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| 112 |
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| 113 | if (typeSelectorDialog.ShowDialog(this) == DialogResult.OK) {
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| 114 | try {
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| 115 | return (T)typeSelectorDialog.TypeSelector.CreateInstanceOfSelectedType();
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| 116 | }
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| 117 | catch (Exception ex) {
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| 118 | ErrorHandling.ShowErrorDialog(this, ex);
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| 119 | }
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| 120 | }
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| 121 | return null;
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| 122 | }
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| 123 | protected virtual ListViewItem CreateListViewItem(KeyValuePair<K, T> item) {
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| 124 | ListViewItem listViewItem = new ListViewItem();
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| 125 | listViewItem.Text = item.Key.ToString();
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| 126 | listViewItem.ToolTipText = item.Key.ItemName + ": " + item.Key.ItemDescription;
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| 127 | itemsListView.SmallImageList.Images.Add(item.Value.ItemImage);
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| 128 | listViewItem.ImageIndex = itemsListView.SmallImageList.Images.Count - 1;
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| 129 | listViewItem.Tag = item;
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| 130 | return listViewItem;
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| 131 | }
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| 132 | protected virtual void AddListViewItem(ListViewItem listViewItem) {
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| 133 | KeyValuePair<K, T> item = (KeyValuePair<K, T>)listViewItem.Tag;
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| 134 | itemsListView.Items.Add(listViewItem);
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| 135 | if (!itemListViewItemMapping.ContainsKey(item)) {
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| 136 | RegisterItemEvents(item);
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| 137 | itemListViewItemMapping.Add(item, new List<ListViewItem>());
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| 138 | }
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| 139 | itemListViewItemMapping[item].Add(listViewItem);
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| 140 | sortAscendingButton.Enabled = itemsListView.Items.Count > 1;
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| 141 | sortDescendingButton.Enabled = itemsListView.Items.Count > 1;
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| 142 | }
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| 143 | protected virtual void RemoveListViewItem(ListViewItem listViewItem) {
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| 144 | KeyValuePair<K, T> item = (KeyValuePair<K, T>)listViewItem.Tag;
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| 145 | itemListViewItemMapping[item].Remove(listViewItem);
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| 146 | if (itemListViewItemMapping[item].Count == 0) {
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| 147 | itemListViewItemMapping.Remove(item);
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| 148 | DeregisterItemEvents(item);
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| 149 | }
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| 150 | listViewItem.Remove();
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| 151 | sortAscendingButton.Enabled = itemsListView.Items.Count > 1;
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| 152 | sortDescendingButton.Enabled = itemsListView.Items.Count > 1;
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| 153 | }
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| 154 | protected virtual void UpdateListViewItemImage(ListViewItem listViewItem) {
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| 155 | KeyValuePair<K, T> item = (KeyValuePair<K, T>)listViewItem.Tag;
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| 156 | int i = listViewItem.ImageIndex;
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| 157 | listViewItem.ImageList.Images[i] = item.Value.ItemImage;
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| 158 | listViewItem.ImageIndex = -1;
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| 159 | listViewItem.ImageIndex = i;
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| 160 | }
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| 161 | protected virtual void UpdateListViewItemText(ListViewItem listViewItem) {
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| 162 | KeyValuePair<K, T> item = (KeyValuePair<K, T>)listViewItem.Tag;
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| 163 | listViewItem.Text = item.Key.ToString();
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| 164 | listViewItem.ToolTipText = item.Value.ItemName + ": " + item.Value.ItemDescription;
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| 165 | }
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| 166 | protected virtual IEnumerable<ListViewItem> GetListViewItemsForItem(KeyValuePair<K, T> item) {
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| 167 | List<ListViewItem> listViewItems = null;
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| 168 | itemListViewItemMapping.TryGetValue(item, out listViewItems);
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| 169 | return listViewItems == null ? Enumerable.Empty<ListViewItem>() : listViewItems;
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| 170 | }
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| 171 |
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| 172 | #region ListView Events
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| 173 | protected virtual void itemsListView_SelectedIndexChanged(object sender, EventArgs e) {
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| 174 | removeButton.Enabled = (Content != null) && !ReadOnly && itemsListView.SelectedItems.Count > 0;
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| 175 | AdjustListViewColumnSizes();
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| 176 | if (showDetailsCheckBox.Checked) {
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| 177 | if (itemsListView.SelectedItems.Count == 1) {
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| 178 | KeyValuePair<K, T> item = (KeyValuePair<K, T>)itemsListView.SelectedItems[0].Tag;
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| 179 | detailsGroupBox.Enabled = true;
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| 180 | viewHost.Content = item.Value;
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| 181 | } else {
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| 182 | viewHost.Content = null;
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| 183 | detailsGroupBox.Enabled = false;
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| 184 | }
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| 185 | }
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| 186 | }
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| 187 | protected virtual void itemsListView_KeyDown(object sender, KeyEventArgs e) {
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| 188 | if (e.KeyCode == Keys.Delete) {
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| 189 | if ((itemsListView.SelectedItems.Count > 0) && !ReadOnly) {
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| 190 | foreach (ListViewItem item in itemsListView.SelectedItems)
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| 191 | Content.Remove(((KeyValuePair<K, T>)item.Tag).Key);
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| 192 | }
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| 193 | }
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| 194 | }
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| 195 | protected virtual void itemsListView_DoubleClick(object sender, EventArgs e) {
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| 196 | if (itemsListView.SelectedItems.Count == 1) {
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| 197 | KeyValuePair<K, T> item = (KeyValuePair<K, T>)itemsListView.SelectedItems[0].Tag;
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| 198 | IContentView view = MainFormManager.MainForm.ShowContent(item.Value);
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| 199 | if (view != null) {
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| 200 | view.ReadOnly = ReadOnly;
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| 201 | view.Locked = Locked;
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| 202 | }
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| 203 | }
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| 204 | }
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| 205 | protected virtual void itemsListView_ItemDrag(object sender, ItemDragEventArgs e) {
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| 206 | if (!Locked) {
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| 207 | ListViewItem listViewItem = (ListViewItem)e.Item;
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| 208 | KeyValuePair<K, T> item = (KeyValuePair<K, T>)listViewItem.Tag;
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| 209 | DataObject data = new DataObject();
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| 210 | data.SetData("Type", item.GetType());
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| 211 | data.SetData("Value", item);
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| 212 | if (ReadOnly) {
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| 213 | DoDragDrop(data, DragDropEffects.Copy | DragDropEffects.Link);
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| 214 | } else {
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| 215 | DragDropEffects result = DoDragDrop(data, DragDropEffects.Copy | DragDropEffects.Link | DragDropEffects.Move);
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| 216 | if ((result & DragDropEffects.Move) == DragDropEffects.Move)
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| 217 | Content.Remove(item.Key);
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| 218 | }
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| 219 | }
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| 220 | }
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| 221 | protected virtual void itemsListView_DragEnterOver(object sender, DragEventArgs e) {
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| 222 | e.Effect = DragDropEffects.None;
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| 223 | Type type = e.Data.GetData("Type") as Type;
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| 224 | if (!ReadOnly && (type != null) && (typeof(T).IsAssignableFrom(type))) {
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| 225 | if ((e.KeyState & 32) == 32) e.Effect = DragDropEffects.Link; // ALT key
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| 226 | else if ((e.KeyState & 4) == 4) e.Effect = DragDropEffects.Move; // SHIFT key
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| 227 | else if ((e.AllowedEffect & DragDropEffects.Copy) == DragDropEffects.Copy) e.Effect = DragDropEffects.Copy;
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| 228 | else if ((e.AllowedEffect & DragDropEffects.Move) == DragDropEffects.Move) e.Effect = DragDropEffects.Move;
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| 229 | else if ((e.AllowedEffect & DragDropEffects.Link) == DragDropEffects.Link) e.Effect = DragDropEffects.Link;
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| 230 | }
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| 231 | }
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| 232 | protected virtual void itemsListView_DragDrop(object sender, DragEventArgs e) {
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| 233 | //if (e.Effect != DragDropEffects.None) {
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| 234 | // K item = e.Data.GetData("Value") as K;
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| 235 | // if ((e.Effect & DragDropEffects.Copy) == DragDropEffects.Copy) item = (T)item.Clone();
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| 236 | // Content.Add(item);
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| 237 | //}
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| 238 | throw new NotImplementedException();
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| 239 | }
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| 240 | #endregion
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| 241 |
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| 242 | #region Button Events
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| 243 | protected virtual void addButton_Click(object sender, EventArgs e) {
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| 244 | //T item = CreateItem();
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| 245 | //if (item != null)
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| 246 | // Content.Add(item);
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| 247 | throw new NotImplementedException();
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| 248 | }
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| 249 | protected virtual void sortAscendingButton_Click(object sender, EventArgs e) {
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| 250 | SortItemsListView(SortOrder.Ascending);
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| 251 | }
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| 252 | protected virtual void sortDescendingButton_Click(object sender, EventArgs e) {
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| 253 | SortItemsListView(SortOrder.Descending);
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| 254 | }
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| 255 | protected virtual void removeButton_Click(object sender, EventArgs e) {
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| 256 | if (itemsListView.SelectedItems.Count > 0) {
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| 257 | foreach (ListViewItem item in itemsListView.SelectedItems)
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| 258 | Content.Remove(((KeyValuePair<K, T>)item.Tag).Key);
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| 259 | itemsListView.SelectedItems.Clear();
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| 260 | }
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| 261 | }
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| 262 | #endregion
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| 263 |
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| 264 | #region CheckBox Events
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| 265 | protected virtual void showDetailsCheckBox_CheckedChanged(object sender, EventArgs e) {
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| 266 | if (showDetailsCheckBox.Checked) {
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| 267 | splitContainer.Panel2Collapsed = false;
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| 268 | detailsGroupBox.Enabled = itemsListView.SelectedItems.Count == 1;
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| 269 | viewHost.Content = itemsListView.SelectedItems.Count == 1 ? ((KeyValuePair<K, T>)itemsListView.SelectedItems[0].Tag).Value : null;
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| 270 | } else {
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| 271 | splitContainer.Panel2Collapsed = true;
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| 272 | viewHost.Content = null;
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| 273 | }
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| 274 | }
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| 275 | #endregion
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| 276 |
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| 277 | #region Content Events
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| 278 | protected virtual void Content_ItemsAdded(object sender, CollectionItemsChangedEventArgs<KeyValuePair<K, T>> e) {
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| 279 | if (InvokeRequired)
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| 280 | Invoke(new CollectionItemsChangedEventHandler<KeyValuePair<K, T>>(Content_ItemsAdded), sender, e);
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| 281 | else {
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| 282 | foreach (KeyValuePair<K, T> item in e.Items)
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| 283 | AddListViewItem(CreateListViewItem(item));
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| 284 | AdjustListViewColumnSizes();
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| 285 | }
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| 286 |
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| 287 | }
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| 288 | protected virtual void Content_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<KeyValuePair<K, T>> e) {
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| 289 | if (InvokeRequired)
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| 290 | Invoke(new CollectionItemsChangedEventHandler<KeyValuePair<K, T>>(Content_ItemsRemoved), sender, e);
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| 291 | else {
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| 292 | foreach (KeyValuePair<K, T> item in e.Items) {
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| 293 | //remove only the first matching ListViewItem, because the IItem could be contained multiple times in the ItemCollection
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| 294 | ListViewItem listviewItem = GetListViewItemsForItem(item).FirstOrDefault();
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| 295 | if (listviewItem != null) RemoveListViewItem(listviewItem);
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| 296 | }
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| 297 | RebuildImageList();
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| 298 | }
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| 299 | }
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| 300 | protected virtual void Content_CollectionReset(object sender, CollectionItemsChangedEventArgs<KeyValuePair<K, T>> e) {
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| 301 | if (InvokeRequired)
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| 302 | Invoke(new CollectionItemsChangedEventHandler<KeyValuePair<K, T>>(Content_CollectionReset), sender, e);
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| 303 | else {
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| 304 | foreach (KeyValuePair<K, T> item in e.OldItems) {
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| 305 | //remove only the first matching ListViewItem, because the IItem could be contained multiple times in the ItemCollection
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| 306 | ListViewItem listviewItem = GetListViewItemsForItem(item).FirstOrDefault();
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| 307 | if (listviewItem != null) RemoveListViewItem(listviewItem);
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| 308 | }
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| 309 | RebuildImageList();
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| 310 | foreach (KeyValuePair<K, T> item in e.Items)
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| 311 | AddListViewItem(CreateListViewItem(item));
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| 312 | }
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| 313 | }
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| 314 | #endregion
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| 315 |
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| 316 | #region Item Events
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| 317 | protected virtual void Item_ItemImageChanged(object sender, EventArgs e) {
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| 318 | if (InvokeRequired)
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| 319 | Invoke(new EventHandler(Item_ItemImageChanged), sender, e);
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| 320 | else {
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| 321 | KeyValuePair<K, T> item = (KeyValuePair<K, T>)sender;
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| 322 | foreach (ListViewItem listViewItem in GetListViewItemsForItem(item))
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| 323 | UpdateListViewItemImage(listViewItem);
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| 324 | }
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| 325 | }
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| 326 | protected virtual void Item_ToStringChanged(object sender, EventArgs e) {
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| 327 | if (InvokeRequired)
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| 328 | Invoke(new EventHandler(Item_ToStringChanged), sender, e);
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| 329 | else {
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| 330 | KeyValuePair<K, T> item = (KeyValuePair<K, T>)sender;
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| 331 | foreach (ListViewItem listViewItem in GetListViewItemsForItem(item))
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| 332 | UpdateListViewItemText(listViewItem);
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| 333 | }
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| 334 | }
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| 335 | #endregion
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| 336 |
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| 337 | #region Helpers
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| 338 | protected virtual void SortItemsListView(SortOrder sortOrder) {
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| 339 | itemsListView.Sorting = SortOrder.None;
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| 340 | itemsListView.Sorting = sortOrder;
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| 341 | itemsListView.Sorting = SortOrder.None;
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| 342 | }
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| 343 | protected virtual void AdjustListViewColumnSizes() {
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| 344 | if (itemsListView.Items.Count > 0) {
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| 345 | for (int i = 0; i < itemsListView.Columns.Count; i++)
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| 346 | itemsListView.Columns[i].AutoResize(ColumnHeaderAutoResizeStyle.ColumnContent);
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| 347 | }
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| 348 | }
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| 349 | protected virtual void RebuildImageList() {
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| 350 | itemsListView.SmallImageList.Images.Clear();
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| 351 | foreach (ListViewItem listViewItem in itemsListView.Items) {
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| 352 | KeyValuePair<K, T> item = (KeyValuePair<K, T>)listViewItem.Tag;
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| 353 | itemsListView.SmallImageList.Images.Add(item.Value.ItemImage);
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| 354 | listViewItem.ImageIndex = itemsListView.SmallImageList.Images.Count - 1;
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| 355 | }
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| 356 | }
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| 357 | #endregion
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| 358 | }
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| 359 | }
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