[10332] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[10506] | 3 | * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[10332] | 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System;
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| 23 | using System.Collections;
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| 24 | using System.Collections.Generic;
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[10358] | 25 | using System.Drawing;
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[10332] | 26 | using System.Linq;
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[10506] | 27 | using System.Text.RegularExpressions;
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[10332] | 28 | using System.Windows.Forms;
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| 29 | using HeuristicLab.Collections;
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| 30 | using HeuristicLab.Common;
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| 31 | using HeuristicLab.Core;
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| 32 | using HeuristicLab.Core.Views;
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| 33 | using HeuristicLab.MainForm;
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| 34 | using HeuristicLab.MainForm.WindowsForms;
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[10358] | 35 | using HeuristicLab.Persistence.Core;
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| 36 | using HeuristicLab.Persistence.Default.Xml;
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[10332] | 37 | using HeuristicLab.PluginInfrastructure;
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| 38 |
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[10506] | 39 | namespace HeuristicLab.Scripting.Views {
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[10332] | 40 | [View("ItemCollection View")]
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| 41 | [Content(typeof(VariableStore), true)]
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| 42 | public partial class VariableStoreView : AsynchronousContentView {
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| 43 | protected Dictionary<string, ListViewItem> itemListViewItemMapping;
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| 44 | protected TypeSelectorDialog typeSelectorDialog;
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| 45 | protected bool validDragOperation;
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| 46 |
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| 47 | public new VariableStore Content {
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| 48 | get { return (VariableStore)base.Content; }
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| 49 | set { base.Content = value; }
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| 50 | }
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| 51 |
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| 52 | public ListView ItemsListView {
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| 53 | get { return variableListView; }
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| 54 | }
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| 55 |
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| 56 | public VariableStoreView() {
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| 57 | InitializeComponent();
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| 58 | itemListViewItemMapping = new Dictionary<string, ListViewItem>();
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[10358] | 59 | variableListView.SmallImageList.Images.AddRange(new Image[] {
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| 60 | HeuristicLab.Common.Resources.VSImageLibrary.Error,
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| 61 | HeuristicLab.Common.Resources.VSImageLibrary.Object,
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| 62 | HeuristicLab.Common.Resources.VSImageLibrary.Nothing
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| 63 | });
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[10332] | 64 | }
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| 65 |
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| 66 | protected override void Dispose(bool disposing) {
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| 67 | if (disposing) {
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| 68 | if (typeSelectorDialog != null) typeSelectorDialog.Dispose();
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| 69 | if (components != null) components.Dispose();
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| 70 | }
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| 71 | base.Dispose(disposing);
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| 72 | }
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| 73 |
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| 74 | protected override void DeregisterContentEvents() {
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| 75 | Content.ItemsAdded -= Content_ItemsAdded;
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| 76 | Content.ItemsReplaced -= Content_ItemsReplaced;
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| 77 | Content.ItemsRemoved -= Content_ItemsRemoved;
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| 78 | Content.CollectionReset -= Content_CollectionReset;
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| 79 | base.DeregisterContentEvents();
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| 80 | }
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| 81 | protected override void RegisterContentEvents() {
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| 82 | base.RegisterContentEvents();
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| 83 | Content.ItemsAdded += Content_ItemsAdded;
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| 84 | Content.ItemsReplaced += Content_ItemsReplaced;
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| 85 | Content.ItemsRemoved += Content_ItemsRemoved;
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| 86 | Content.CollectionReset += Content_CollectionReset;
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| 87 | }
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| 88 |
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| 89 | protected override void OnContentChanged() {
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| 90 | base.OnContentChanged();
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| 91 | variableListView.Items.Clear();
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| 92 | itemListViewItemMapping.Clear();
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| 93 | RebuildImageList();
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| 94 | if (Content != null) {
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| 95 | Caption += " (" + Content.GetType().Name + ")";
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| 96 | foreach (var item in Content)
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| 97 | AddVariable(item);
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| 98 | AdjustListViewColumnSizes();
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| 99 | SortItemsListView(SortOrder.Ascending);
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| 100 | }
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| 101 | }
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| 102 |
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| 103 | protected override void SetEnabledStateOfControls() {
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| 104 | base.SetEnabledStateOfControls();
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| 105 | if (Content == null) {
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| 106 | addButton.Enabled = false;
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| 107 | sortAscendingButton.Enabled = false;
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| 108 | sortDescendingButton.Enabled = false;
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| 109 | removeButton.Enabled = false;
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| 110 | variableListView.Enabled = false;
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| 111 | } else {
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[10358] | 112 | addButton.Enabled = !Locked && !ReadOnly;
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[10332] | 113 | sortAscendingButton.Enabled = variableListView.Items.Count > 1;
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| 114 | sortDescendingButton.Enabled = variableListView.Items.Count > 1;
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[10358] | 115 | removeButton.Enabled = !Locked && !ReadOnly && variableListView.SelectedItems.Count > 0;
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[10332] | 116 | variableListView.Enabled = true;
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[10401] | 117 | variableListView.LabelEdit = !Locked && !ReadOnly;
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[10332] | 118 | }
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| 119 | }
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| 120 |
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| 121 | protected virtual object CreateItem() {
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| 122 | if (typeSelectorDialog == null) {
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| 123 | typeSelectorDialog = new TypeSelectorDialog { Caption = "Select Item" };
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| 124 | typeSelectorDialog.TypeSelector.Caption = "Available Items";
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| 125 | typeSelectorDialog.TypeSelector.Configure(typeof(IItem), false, true);
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| 126 | }
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| 127 |
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| 128 | if (typeSelectorDialog.ShowDialog(this) == DialogResult.OK) {
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| 129 | try {
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| 130 | return (object)typeSelectorDialog.TypeSelector.CreateInstanceOfSelectedType();
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| 131 | } catch (Exception ex) {
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| 132 | ErrorHandling.ShowErrorDialog(this, ex);
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| 133 | }
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| 134 | }
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| 135 | return null;
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| 136 | }
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| 137 |
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| 138 | protected virtual void AddVariable(KeyValuePair<string, object> variable) {
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| 139 | if (string.IsNullOrEmpty(variable.Key)) throw new ArgumentException("The variable must have a name.", "variable");
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| 140 | string value = (variable.Value ?? "null").ToString();
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| 141 | string type = variable.Value == null ? "null" : variable.Value.GetType().ToString();
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[10358] | 142 | bool serializable = IsSerializable(variable);
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| 143 | var listViewItem = new ListViewItem(new[] { variable.Key, value, type }) { ToolTipText = GetToolTipText(variable, serializable), Tag = variable };
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| 144 | if (serializable) {
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| 145 | listViewItem.ImageIndex = variable.Value == null ? 2 : 1;
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| 146 | } else listViewItem.ImageIndex = 0;
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[10332] | 147 | variableListView.Items.Add(listViewItem);
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| 148 | itemListViewItemMapping[variable.Key] = listViewItem;
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| 149 | sortAscendingButton.Enabled = variableListView.Items.Count > 1;
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| 150 | sortDescendingButton.Enabled = variableListView.Items.Count > 1;
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| 151 | var item = variable.Value as IItem;
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| 152 | if (item != null) item.ToStringChanged += item_ToStringChanged;
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| 153 | }
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| 154 |
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| 155 | protected virtual void RemoveVariable(KeyValuePair<string, object> variable) {
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| 156 | if (string.IsNullOrEmpty(variable.Key)) throw new ArgumentException("The variable must have a name.", "variable");
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| 157 | ListViewItem listViewItem;
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| 158 | if (itemListViewItemMapping.TryGetValue(variable.Key, out listViewItem)) {
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| 159 | itemListViewItemMapping.Remove(variable.Key);
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| 160 | variableListView.Items.Remove(listViewItem);
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| 161 | sortAscendingButton.Enabled = variableListView.Items.Count > 1;
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| 162 | sortDescendingButton.Enabled = variableListView.Items.Count > 1;
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| 163 | var item = variable.Value as IItem;
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| 164 | if (item != null) item.ToStringChanged -= item_ToStringChanged;
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| 165 | }
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| 166 | }
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| 167 |
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| 168 | protected virtual void UpdateVariable(KeyValuePair<string, object> variable) {
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| 169 | if (string.IsNullOrEmpty(variable.Key)) throw new ArgumentException("The variable must have a name.", "variable");
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| 170 | ListViewItem listViewItem;
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| 171 | if (itemListViewItemMapping.TryGetValue(variable.Key, out listViewItem)) {
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| 172 | string value = (variable.Value ?? "null").ToString();
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| 173 | string type = variable.Value == null ? "null" : variable.Value.GetType().ToString();
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[10358] | 174 | bool serializable = IsSerializable(variable);
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| 175 | if (serializable) {
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| 176 | listViewItem.ImageIndex = variable.Value == null ? 2 : 1;
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| 177 | } else listViewItem.ImageIndex = 0;
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[10332] | 178 | listViewItem.SubItems[1].Text = value;
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| 179 | listViewItem.SubItems[2].Text = type;
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[10358] | 180 | listViewItem.ToolTipText = GetToolTipText(variable, serializable);
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[10332] | 181 | listViewItem.Tag = variable;
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| 182 | } else throw new ArgumentException("A variable with the specified name does not exist.", "variable");
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| 183 | }
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| 184 |
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| 185 | #region ListView Events
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| 186 | protected virtual void variableListView_SelectedIndexChanged(object sender, EventArgs e) {
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[10358] | 187 | removeButton.Enabled = (Content != null) && !Locked && !ReadOnly && variableListView.SelectedItems.Count > 0;
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[10332] | 188 | AdjustListViewColumnSizes();
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| 189 | }
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| 190 | protected virtual void variableListView_KeyDown(object sender, KeyEventArgs e) {
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| 191 | if (e.KeyCode == Keys.Delete) {
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[10358] | 192 | if ((variableListView.SelectedItems.Count > 0) && !Locked && !ReadOnly) {
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[10332] | 193 | foreach (ListViewItem item in variableListView.SelectedItems)
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| 194 | Content.Remove(item.Text);
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| 195 | }
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| 196 | }
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| 197 | }
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| 198 | protected virtual void variableListView_DoubleClick(object sender, EventArgs e) {
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| 199 | if (variableListView.SelectedItems.Count == 1) {
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| 200 | var item = variableListView.SelectedItems[0].Tag as KeyValuePair<string, object>?;
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| 201 | if (item != null) {
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| 202 | var value = item.Value.Value as IContent;
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| 203 | if (value != null) {
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| 204 | IContentView view = MainFormManager.MainForm.ShowContent(value);
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| 205 | if (view != null) {
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| 206 | view.ReadOnly = ReadOnly;
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| 207 | view.Locked = Locked;
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| 208 | }
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| 209 | }
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| 210 | }
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| 211 | }
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| 212 | }
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| 213 | protected virtual void variableListView_ItemDrag(object sender, ItemDragEventArgs e) {
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| 214 | if (!Locked) {
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| 215 | var items = new List<object>();
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| 216 | foreach (ListViewItem listViewItem in variableListView.SelectedItems) {
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| 217 | var item = (KeyValuePair<string, object>)listViewItem.Tag as KeyValuePair<string, object>?;
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| 218 | if (item != null) items.Add(item.Value.Value);
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| 219 | }
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| 220 |
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| 221 | if (items.Count > 0) {
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| 222 | DataObject data = new DataObject();
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| 223 | if (items.Count == 1) data.SetData(HeuristicLab.Common.Constants.DragDropDataFormat, items[0]);
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| 224 | else data.SetData(HeuristicLab.Common.Constants.DragDropDataFormat, items);
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[10358] | 225 | if (ReadOnly) {
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[10332] | 226 | DoDragDrop(data, DragDropEffects.Copy | DragDropEffects.Link);
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| 227 | } else {
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| 228 | DragDropEffects result = DoDragDrop(data, DragDropEffects.Copy | DragDropEffects.Link | DragDropEffects.Move);
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| 229 | if ((result & DragDropEffects.Move) == DragDropEffects.Move) {
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| 230 | foreach (string item in items) Content.Remove(item);
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| 231 | }
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| 232 | }
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| 233 | }
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| 234 | }
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| 235 | }
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| 236 | protected virtual void variableListView_DragEnter(object sender, DragEventArgs e) {
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| 237 | validDragOperation = false;
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[10358] | 238 | if (!Locked && !ReadOnly && (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) is object)) {
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[10332] | 239 | validDragOperation = true;
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[10358] | 240 | } else if (!Locked && !ReadOnly && (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) is IEnumerable)) {
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[10332] | 241 | validDragOperation = true;
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| 242 | IEnumerable items = (IEnumerable)e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat);
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| 243 | foreach (object item in items)
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| 244 | validDragOperation = validDragOperation && (item is object);
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| 245 | }
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| 246 | }
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| 247 | protected virtual void variableListView_DragOver(object sender, DragEventArgs e) {
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| 248 | e.Effect = DragDropEffects.None;
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| 249 | if (validDragOperation) {
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| 250 | if ((e.KeyState & 32) == 32) e.Effect = DragDropEffects.Link; // ALT key
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| 251 | else if ((e.KeyState & 4) == 4) e.Effect = DragDropEffects.Move; // SHIFT key
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| 252 | else if (e.AllowedEffect.HasFlag(DragDropEffects.Copy)) e.Effect = DragDropEffects.Copy;
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| 253 | else if (e.AllowedEffect.HasFlag(DragDropEffects.Move)) e.Effect = DragDropEffects.Move;
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| 254 | else if (e.AllowedEffect.HasFlag(DragDropEffects.Link)) e.Effect = DragDropEffects.Link;
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| 255 | }
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| 256 | }
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| 257 | protected virtual void variableListView_DragDrop(object sender, DragEventArgs e) {
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| 258 | if (e.Effect != DragDropEffects.None) {
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| 259 | if (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) is IEnumerable) {
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| 260 | IEnumerable<object> items = ((IEnumerable)e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat)).Cast<object>();
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| 261 | if (e.Effect.HasFlag(DragDropEffects.Copy)) {
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| 262 | var cloner = new Cloner();
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| 263 | var clonedItems = new List<object>();
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| 264 | foreach (var item in items) {
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| 265 | var dc = item as IDeepCloneable;
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| 266 | clonedItems.Add(dc != null ? cloner.Clone(dc) : item);
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| 267 | }
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| 268 | items = clonedItems;
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| 269 | }
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| 270 | foreach (var item in items) {
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| 271 | string name = GenerateNewVariableName();
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| 272 | Content.Add(name, item);
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| 273 | var listViewItem = variableListView.FindItemWithText(name);
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| 274 | listViewItem.BeginEdit();
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| 275 | }
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| 276 | } else {
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| 277 | object item = e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat);
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| 278 | if (e.Effect.HasFlag(DragDropEffects.Copy)) {
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| 279 | var cloner = new Cloner();
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| 280 | var dc = item as IDeepCloneable;
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| 281 | if (dc != null) item = cloner.Clone(dc);
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| 282 | }
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| 283 | string name = GenerateNewVariableName();
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| 284 | Content.Add(name, item);
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| 285 | var listViewItem = variableListView.FindItemWithText(name);
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| 286 | listViewItem.BeginEdit();
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| 287 | }
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| 288 | }
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| 289 | }
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| 290 |
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[10506] | 291 | private readonly Regex SafeVariableNameRegex = new Regex("^[@]?[_a-zA-Z][_a-zA-Z0-9]*$");
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[10332] | 292 | private void variableListView_AfterLabelEdit(object sender, LabelEditEventArgs e) {
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[10506] | 293 | string name = e.Label;
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| 294 | if (!string.IsNullOrEmpty(name) && SafeVariableNameRegex.IsMatch(name)) {
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[10332] | 295 | var variable = (KeyValuePair<string, object>)variableListView.Items[e.Item].Tag;
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[10506] | 296 | if (!Content.ContainsKey(name)) {
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[10332] | 297 | Content.Remove(variable.Key);
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[10506] | 298 | Content.Add(name, variable.Value);
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[10332] | 299 | }
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| 300 | }
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| 301 | e.CancelEdit = true;
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| 302 | }
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| 303 | #endregion
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| 304 |
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| 305 | #region Button Events
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| 306 | protected virtual void addButton_Click(object sender, EventArgs e) {
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| 307 | object newVar = CreateItem();
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| 308 | if (newVar != null) {
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| 309 | string name = GenerateNewVariableName();
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| 310 | Content.Add(name, newVar);
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| 311 | var item = variableListView.FindItemWithText(name);
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| 312 | item.BeginEdit();
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| 313 | }
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| 314 | }
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| 315 | protected virtual void sortAscendingButton_Click(object sender, EventArgs e) {
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| 316 | SortItemsListView(SortOrder.Ascending);
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| 317 | }
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| 318 | protected virtual void sortDescendingButton_Click(object sender, EventArgs e) {
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| 319 | SortItemsListView(SortOrder.Descending);
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| 320 | }
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| 321 | protected virtual void removeButton_Click(object sender, EventArgs e) {
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| 322 | if (variableListView.SelectedItems.Count > 0) {
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| 323 | foreach (ListViewItem item in variableListView.SelectedItems)
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| 324 | Content.Remove(item.Text);
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| 325 | variableListView.SelectedItems.Clear();
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| 326 | }
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| 327 | }
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| 328 | #endregion
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| 329 |
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| 330 | #region Content Events
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| 331 | protected virtual void Content_ItemsAdded(object sender, CollectionItemsChangedEventArgs<KeyValuePair<string, object>> e) {
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| 332 | if (InvokeRequired)
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| 333 | Invoke(new CollectionItemsChangedEventHandler<KeyValuePair<string, object>>(Content_ItemsAdded), sender, e);
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| 334 | else {
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| 335 | foreach (var item in e.Items)
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| 336 | AddVariable(item);
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| 337 | AdjustListViewColumnSizes();
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| 338 | }
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| 339 | }
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| 340 |
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| 341 | protected virtual void Content_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<KeyValuePair<string, object>> e) {
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| 342 | if (InvokeRequired)
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| 343 | Invoke(new CollectionItemsChangedEventHandler<KeyValuePair<string, object>>(Content_ItemsReplaced), sender, e);
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| 344 | else {
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| 345 | foreach (var item in e.Items)
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| 346 | UpdateVariable(item);
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| 347 | AdjustListViewColumnSizes();
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| 348 | }
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| 349 | }
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| 350 |
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| 351 | protected virtual void Content_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<KeyValuePair<string, object>> e) {
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| 352 | if (InvokeRequired)
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| 353 | Invoke(new CollectionItemsChangedEventHandler<KeyValuePair<string, object>>(Content_ItemsRemoved), sender, e);
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| 354 | else {
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| 355 | foreach (var item in e.Items)
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| 356 | RemoveVariable(item);
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| 357 | RebuildImageList();
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| 358 | AdjustListViewColumnSizes();
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| 359 | }
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| 360 | }
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| 361 | protected virtual void Content_CollectionReset(object sender, CollectionItemsChangedEventArgs<KeyValuePair<string, object>> e) {
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| 362 | if (InvokeRequired)
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| 363 | Invoke(new CollectionItemsChangedEventHandler<KeyValuePair<string, object>>(Content_CollectionReset), sender, e);
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| 364 | else {
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| 365 | foreach (var item in e.OldItems)
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| 366 | RemoveVariable(item);
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| 367 | RebuildImageList();
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| 368 | foreach (var item in e.Items)
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| 369 | AddVariable(item);
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| 370 | AdjustListViewColumnSizes();
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| 371 | }
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| 372 | }
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| 373 |
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| 374 | private void item_ToStringChanged(object sender, EventArgs e) {
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| 375 | foreach (ListViewItem item in variableListView.Items) {
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| 376 | var variable = item.Tag as KeyValuePair<string, object>?;
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| 377 | if (variable != null && variable.Value.Value == sender) {
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| 378 | string value = (variable.Value.Value ?? "null").ToString();
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| 379 | item.SubItems[1].Text = value;
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| 380 | item.SubItems[2].Text = variable.Value.Value.GetType().ToString();
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[10358] | 381 | item.ToolTipText = GetToolTipText(variable.Value, item.ImageIndex == 0);
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[10332] | 382 | return;
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| 383 | }
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| 384 | }
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| 385 | }
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| 386 | #endregion
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| 387 |
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| 388 | #region Helpers
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| 389 | protected virtual void SortItemsListView(SortOrder sortOrder) {
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| 390 | variableListView.Sorting = SortOrder.None;
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| 391 | variableListView.Sorting = sortOrder;
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| 392 | variableListView.Sorting = SortOrder.None;
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| 393 | }
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| 394 | protected virtual void AdjustListViewColumnSizes() {
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[10506] | 395 | foreach (ColumnHeader ch in variableListView.Columns)
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| 396 | ch.Width = -2;
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[10332] | 397 | }
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| 398 | protected virtual void RebuildImageList() {
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| 399 | variableListView.SmallImageList.Images.Clear();
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[10358] | 400 | variableListView.SmallImageList.Images.AddRange(new Image[] {
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| 401 | HeuristicLab.Common.Resources.VSImageLibrary.Error,
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| 402 | HeuristicLab.Common.Resources.VSImageLibrary.Object,
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| 403 | HeuristicLab.Common.Resources.VSImageLibrary.Nothing
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| 404 | });
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[10332] | 405 | foreach (ListViewItem listViewItem in variableListView.Items) {
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[10358] | 406 | var variable = (KeyValuePair<string, object>)listViewItem.Tag;
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| 407 | bool serializable = IsSerializable(variable);
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| 408 | if (serializable) {
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| 409 | listViewItem.ImageIndex = variable.Value == null ? 2 : 1;
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| 410 | } else listViewItem.ImageIndex = 0;
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[10332] | 411 | }
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| 412 | }
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| 413 |
|
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[10358] | 414 | private string GetToolTipText(KeyValuePair<string, object> variable, bool serializable) {
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[10332] | 415 | if (string.IsNullOrEmpty(variable.Key)) throw new ArgumentException("The variable must have a name.", "variable");
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| 416 | string value = (variable.Value ?? "null").ToString();
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[10358] | 417 | string type = variable.Value == null ? "null" : variable.Value.GetType().ToString();
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[10332] | 418 | string[] lines = {
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| 419 | "Name: " + variable.Key,
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| 420 | "Value: " + value,
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[10358] | 421 | "Type: " + type
|
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[10332] | 422 | };
|
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[10358] | 423 | string toolTipText = string.Join(Environment.NewLine, lines);
|
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| 424 | if (!serializable)
|
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| 425 | toolTipText += Environment.NewLine + "CAUTION: Type is not serializable!";
|
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| 426 | return toolTipText;
|
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[10332] | 427 | }
|
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| 428 |
|
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| 429 | private string GenerateNewVariableName(string defaultName = "enter_name") {
|
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| 430 | if (Content.ContainsKey(defaultName)) {
|
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| 431 | int i = 1;
|
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| 432 | string newName;
|
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| 433 | do {
|
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| 434 | newName = defaultName + i++;
|
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| 435 | } while (Content.ContainsKey(newName));
|
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| 436 | return newName;
|
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| 437 | }
|
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| 438 | return defaultName;
|
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| 439 | }
|
---|
[10358] | 440 |
|
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| 441 | private bool IsSerializable(KeyValuePair<string, object> variable) {
|
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| 442 | var ser = new Serializer(variable, ConfigurationService.Instance.GetDefaultConfig(new XmlFormat()), "ROOT", true);
|
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| 443 | try {
|
---|
| 444 | return ser.Count() > 0;
|
---|
| 445 | } catch (PersistenceException) {
|
---|
| 446 | return false;
|
---|
| 447 | }
|
---|
| 448 | }
|
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[10332] | 449 | #endregion
|
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| 450 | }
|
---|
| 451 | }
|
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