1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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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.Linq;
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25 | using System.Windows.Forms;
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26 | using HeuristicLab.Common;
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27 | using HeuristicLab.PluginInfrastructure;
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28 | using WeifenLuo.WinFormsUI.Docking;
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29 |
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30 | namespace HeuristicLab.MainForm.WindowsForms {
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31 | public partial class MainForm : Form, IMainForm {
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32 | private bool initialized;
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33 | private int appStartingCursors;
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34 | private int waitingCursors;
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35 |
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36 | protected MainForm()
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37 | : base() {
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38 | InitializeComponent();
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39 | this.views = new Dictionary<IView, Form>();
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40 | this.userInterfaceItems = new List<IUserInterfaceItem>();
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41 | this.initialized = false;
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42 | this.showContentInViewHost = false;
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43 | appStartingCursors = 0;
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44 | waitingCursors = 0;
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45 | }
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46 |
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47 | protected MainForm(Type userInterfaceItemType)
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48 | : this() {
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49 | this.userInterfaceItemType = userInterfaceItemType;
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50 | }
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51 |
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52 | #region properties
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53 | private bool showContentInViewHost;
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54 | public bool ShowContentInViewHost {
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55 | get { return this.showContentInViewHost; }
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56 | set { this.showContentInViewHost = value; }
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57 | }
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58 |
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59 | public string Title {
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60 | get { return this.Text; }
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61 | set {
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62 | if (InvokeRequired) {
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63 | Action<string> action = delegate(string s) { this.Title = s; };
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64 | Invoke(action, value);
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65 | } else
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66 | this.Text = value;
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67 | }
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68 | }
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69 |
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70 | public override Cursor Cursor {
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71 | get { return base.Cursor; }
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72 | set {
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73 | if (InvokeRequired) {
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74 | Action<Cursor> action = delegate(Cursor c) { this.Cursor = c; };
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75 | Invoke(action, value);
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76 | } else
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77 | base.Cursor = value;
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78 | }
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79 | }
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80 |
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81 | private Type userInterfaceItemType;
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82 | public Type UserInterfaceItemType {
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83 | get { return this.userInterfaceItemType; }
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84 | }
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85 |
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86 | private Dictionary<IView, Form> views;
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87 | public IEnumerable<IView> Views {
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88 | get { return views.Keys; }
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89 | }
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90 |
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91 | private IView activeView;
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92 | public IView ActiveView {
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93 | get { return this.activeView; }
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94 | protected set {
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95 | if (this.activeView != value) {
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96 | if (InvokeRequired) {
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97 | Action<IView> action = delegate(IView activeView) { this.ActiveView = activeView; };
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98 | Invoke(action, value);
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99 | } else {
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100 | this.activeView = value;
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101 | OnActiveViewChanged();
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102 | }
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103 | }
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104 | }
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105 | }
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106 |
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107 | private List<IUserInterfaceItem> userInterfaceItems;
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108 | protected IEnumerable<IUserInterfaceItem> UserInterfaceItems {
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109 | get { return this.userInterfaceItems; }
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110 | }
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111 | #endregion
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112 |
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113 | #region events
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114 | public event EventHandler ActiveViewChanged;
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115 | protected virtual void OnActiveViewChanged() {
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116 | if (InvokeRequired)
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117 | Invoke((MethodInvoker)OnActiveViewChanged);
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118 | else {
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119 | EventHandler handler = ActiveViewChanged;
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120 | if (handler != null)
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121 | handler(this, EventArgs.Empty);
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122 | }
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123 | }
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124 |
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125 | public event EventHandler<ViewEventArgs> ViewClosed;
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126 | protected virtual void OnViewClosed(IView view) {
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127 | if (InvokeRequired) Invoke((Action<IView>)OnViewClosed, view);
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128 | else {
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129 | EventHandler<ViewEventArgs> handler = ViewClosed;
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130 | if (handler != null)
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131 | handler(this, new ViewEventArgs(view));
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132 | }
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133 | }
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134 |
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135 | public event EventHandler<ViewShownEventArgs> ViewShown;
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136 | protected virtual void OnViewShown(IView view, bool firstTimeShown) {
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137 | if (InvokeRequired) Invoke((Action<IView, bool>)OnViewShown, view, firstTimeShown);
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138 | else {
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139 | EventHandler<ViewShownEventArgs> handler = ViewShown;
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140 | if (handler != null)
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141 | handler(this, new ViewShownEventArgs(view, firstTimeShown));
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142 | }
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143 | }
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144 |
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145 | public event EventHandler<ViewEventArgs> ViewHidden;
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146 | protected virtual void OnViewHidden(IView view) {
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147 | if (InvokeRequired) Invoke((Action<IView>)OnViewHidden, view);
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148 | else {
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149 | EventHandler<ViewEventArgs> handler = ViewHidden;
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150 | if (handler != null)
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151 | handler(this, new ViewEventArgs(view));
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152 | }
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153 | }
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154 |
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155 | public event EventHandler Changed;
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156 | protected void OnChanged() {
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157 | if (InvokeRequired)
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158 | Invoke((MethodInvoker)OnChanged);
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159 | else {
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160 | EventHandler handler = Changed;
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161 | if (handler != null)
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162 | Changed(this, EventArgs.Empty);
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163 | }
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164 | }
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165 |
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166 | private void MainFormBase_Load(object sender, EventArgs e) {
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167 | if (!DesignMode) {
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168 | MainFormManager.RegisterMainForm(this);
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169 | this.CreateGUI();
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170 | if (!this.initialized) {
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171 | this.initialized = true;
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172 | this.OnInitialized(EventArgs.Empty);
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173 | }
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174 | }
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175 | }
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176 |
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177 | protected virtual void OnInitialized(EventArgs e) { }
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178 |
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179 | public virtual void UpdateTitle() { }
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180 |
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181 | private void FormActivated(object sender, EventArgs e) {
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182 | this.ActiveView = GetView((Form)sender);
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183 | }
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184 |
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185 | protected override void OnFormClosing(FormClosingEventArgs e) {
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186 | foreach (KeyValuePair<IView, Form> pair in this.views) {
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187 | DockForm dockForm = pair.Value as DockForm;
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188 | View view = pair.Key as View;
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189 | if (view != null && dockForm != null && dockForm.DockState != DockState.Document) {
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190 | view.CloseReason = CloseReason.ApplicationExitCall;
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191 | view.OnClosingHelper(dockForm, e);
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192 | }
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193 | }
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194 | base.OnFormClosing(e);
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195 | }
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196 |
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197 | protected override void OnFormClosed(FormClosedEventArgs e) {
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198 | foreach (KeyValuePair<IView, Form> pair in this.views.ToList()) {
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199 | DockForm dockForm = pair.Value as DockForm;
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200 | View view = pair.Key as View;
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201 | if (view != null && dockForm != null && dockForm.DockState != DockState.Document) {
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202 | view.CloseReason = CloseReason.ApplicationExitCall;
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203 | view.OnClosedHelper(dockForm, e);
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204 | dockForm.Close();
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205 | }
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206 | }
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207 | base.OnFormClosed(e);
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208 | }
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209 | #endregion
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210 |
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211 | #region create, get, show, hide, close views
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212 | protected virtual Form CreateForm(IView view) {
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213 | throw new NotImplementedException("CreateForm must be implemented in subclasses of MainForm.");
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214 | }
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215 |
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216 | internal Form GetForm(IView view) {
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217 | if (views.ContainsKey(view))
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218 | return views[view];
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219 | return null;
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220 | }
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221 | protected IView GetView(Form form) {
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222 | return views.Where(x => x.Value == form).Single().Key;
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223 | }
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224 |
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225 | public IContentView ShowContent(IContent content) {
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226 | if (content == null) throw new ArgumentNullException("Content cannot be null.");
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227 | Type viewType = MainFormManager.GetDefaultViewType(content.GetType());
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228 | if (viewType != null) return ShowContent(content, viewType);
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229 | return null;
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230 | }
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231 |
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232 | public IContentView ShowContent<T>(T content, bool reuseExistingView, IEqualityComparer<T> comparer = null) where T : class,IContent {
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233 | if (content == null) throw new ArgumentNullException("Content cannot be null.");
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234 | if (!reuseExistingView) return ShowContent(content);
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235 |
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236 | IContentView view = null;
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237 | if (comparer == null) view = Views.OfType<IContentView>().Where(v => (v.Content as T) == content).FirstOrDefault();
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238 | else view = Views.OfType<IContentView>().Where(v => comparer.Equals((v.Content as T), content)).FirstOrDefault();
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239 |
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240 | if (view == null) view = ShowContent(content);
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241 | else view.Show();
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242 |
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243 | return view;
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244 | }
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245 |
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246 | public IContentView ShowContent(IContent content, Type viewType) {
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247 | if (InvokeRequired) return (IContentView)Invoke((Func<IContent, Type, IContentView>)ShowContent, content, viewType);
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248 | else {
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249 | if (content == null) throw new ArgumentNullException("Content cannot be null.");
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250 | if (viewType == null) throw new ArgumentNullException("ViewType cannot be null.");
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251 |
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252 | IContentView view = null;
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253 | if (ShowContentInViewHost) {
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254 | ViewHost viewHost = new ViewHost();
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255 | viewHost.ViewType = viewType;
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256 | view = viewHost;
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257 |
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258 | } else view = MainFormManager.CreateView(viewType);
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259 |
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260 | view.Content = content;
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261 | view.Show();
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262 | return view;
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263 | }
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264 | }
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265 |
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266 | internal void ShowView(IView view) {
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267 | if (InvokeRequired) Invoke((Action<IView>)ShowView, view);
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268 | else {
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269 | Form form = GetForm(view);
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270 | bool firstTimeShown = form == null;
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271 | if (firstTimeShown) {
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272 | form = CreateForm(view);
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273 | form.Activated += new EventHandler(FormActivated);
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274 | form.FormClosed += new FormClosedEventHandler(ChildFormClosed);
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275 | view.Changed += new EventHandler(View_Changed);
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276 | views[view] = form;
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277 | }
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278 | this.ShowView(view, firstTimeShown);
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279 | this.OnViewShown(view, firstTimeShown);
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280 | }
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281 | }
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282 |
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283 | private void View_Changed(object sender, EventArgs e) {
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284 | IView view = (IView)sender;
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285 | if (view == this.ActiveView)
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286 | this.OnActiveViewChanged();
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287 | this.OnChanged();
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288 | }
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289 |
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290 | protected virtual void ShowView(IView view, bool firstTimeShown) {
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291 | }
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292 |
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293 | internal void HideView(IView view) {
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294 | if (InvokeRequired) Invoke((Action<IView>)HideView, view);
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295 | else {
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296 | this.Hide(view);
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297 | if (this.activeView == view)
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298 | this.ActiveView = null;
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299 | this.OnViewHidden(view);
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300 | }
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301 | }
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302 |
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303 | protected virtual void Hide(IView view) {
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304 | }
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305 |
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306 | private void ChildFormClosed(object sender, FormClosedEventArgs e) {
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307 | Form form = (Form)sender;
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308 | IView view = GetView(form);
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309 |
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310 | view.Changed -= new EventHandler(View_Changed);
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311 | form.Activated -= new EventHandler(FormActivated);
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312 | form.FormClosed -= new FormClosedEventHandler(ChildFormClosed);
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313 |
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314 | views.Remove(view);
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315 | this.OnViewClosed(view);
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316 | if (ActiveView == view)
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317 | ActiveView = null;
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318 | }
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319 |
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320 | internal void CloseView(IView view) {
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321 | if (InvokeRequired) Invoke((Action<IView>)CloseView, view);
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322 | else if (views.ContainsKey(view)) {
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323 | this.views[view].Close();
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324 | this.OnViewClosed(view);
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325 | }
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326 | }
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327 |
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328 | internal void CloseView(IView view, CloseReason closeReason) {
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329 | if (InvokeRequired) Invoke((Action<IView>)CloseView, view);
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330 | else if (views.ContainsKey(view)) {
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331 | ((View)view).CloseReason = closeReason;
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332 | this.CloseView(view);
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333 | }
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334 | }
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335 |
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336 | public void CloseAllViews() {
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337 | foreach (IView view in views.Keys.ToArray())
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338 | CloseView(view);
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339 | }
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340 |
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341 | public void CloseAllViews(CloseReason closeReason) {
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342 | foreach (IView view in views.Keys.ToArray())
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343 | CloseView(view, closeReason);
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344 | }
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345 | #endregion
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346 |
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347 | #region progress views
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348 | private readonly Dictionary<IContent, IProgress> contentProgressLookup = new Dictionary<IContent, IProgress>();
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349 | private readonly Dictionary<Control, IProgress> viewProgressLookup = new Dictionary<Control, IProgress>();
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350 | private readonly List<ProgressView> progressViews = new List<ProgressView>();
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351 |
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352 | /// <summary>
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353 | /// Adds a <see cref="ProgressView"/> to the <see cref="ContentView"/>s showing the specified content.
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354 | /// </summary>
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355 | public IProgress AddOperationProgressToContent(IContent content, string progressMessage, bool addToObjectGraphObjects = true) {
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356 | if (contentProgressLookup.ContainsKey(content))
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357 | throw new ArgumentException("A progress is already registered for the specified content.", "content");
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358 |
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359 | var contentViews = views.Keys.OfType<ContentView>();
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360 | if (!contentViews.Any(v => v.Content == content))
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361 | throw new ArgumentException("The content is not displayed in a top-level view", "content");
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362 |
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363 | if (addToObjectGraphObjects) {
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364 | var containedObjects = content.GetObjectGraphObjects();
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365 | contentViews = contentViews.Where(v => containedObjects.Contains(v.Content));
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366 | } else
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367 | contentViews = contentViews.Where(v => v.Content == content);
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368 |
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369 | var progress = new Progress(progressMessage, ProgressState.Started);
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370 | foreach (var contentView in contentViews) {
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371 | progressViews.Add(new ProgressView(contentView, progress));
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372 | }
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373 |
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374 | contentProgressLookup[content] = progress;
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375 | return progress;
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376 | }
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377 |
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378 | /// <summary>
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379 | /// Adds a <see cref="ProgressView"/> to the specified view.
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380 | /// </summary>
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381 | public IProgress AddOperationProgressToView(Control view, string progressMessage) {
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382 | var progress = new Progress(progressMessage, ProgressState.Started);
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383 | AddOperationProgressToView(view, progress);
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384 | return progress;
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385 | }
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386 |
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387 | public void AddOperationProgressToView(Control view, IProgress progress) {
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388 | if (view == null) throw new ArgumentNullException("view", "The view must not be null.");
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389 | if (progress == null) throw new ArgumentNullException("progress", "The progress must not be null.");
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390 |
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391 | if (view == null) throw new ArgumentException("The passed view must be a control.", "view");
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392 |
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393 | IProgress oldProgress;
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394 | if (viewProgressLookup.TryGetValue(view, out oldProgress)) {
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395 | foreach (var progressView in progressViews.Where(v => v.Content == oldProgress).ToList()) {
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396 | progressView.Dispose();
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397 | progressViews.Remove(progressView);
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398 | }
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399 | viewProgressLookup.Remove(view);
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400 | }
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401 |
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402 | progressViews.Add(new ProgressView(view, progress));
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403 | viewProgressLookup[view] = progress;
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404 | }
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405 |
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406 | /// <summary>
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407 | /// Removes an existing <see cref="ProgressView"/> from the <see cref="ContentView"/>s showing the specified content.
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408 | /// </summary>
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409 | public void RemoveOperationProgressFromContent(IContent content, bool finishProgress = true) {
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410 | IProgress progress;
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411 | if (!contentProgressLookup.TryGetValue(content, out progress))
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412 | throw new ArgumentException("No progress is registered for the specified content.", "content");
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413 |
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414 | if (finishProgress) progress.Finish();
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415 | foreach (var progressView in progressViews.Where(v => v.Content == progress).ToList()) {
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416 | progressView.Dispose();
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417 | progressViews.Remove(progressView);
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418 | }
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419 | contentProgressLookup.Remove(content);
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420 | }
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421 |
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422 | /// <summary>
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423 | /// Removes an existing <see cref="ProgressView"/> from the specified view.
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424 | /// </summary>
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425 | public void RemoveOperationProgressFromView(Control view, bool finishProgress = true) {
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426 | IProgress progress;
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427 | if (!viewProgressLookup.TryGetValue(view, out progress))
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428 | throw new ArgumentException("No progress is registered for the specified view.", "view");
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429 |
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430 | if (finishProgress) progress.Finish();
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431 | foreach (var progressView in progressViews.Where(v => v.Content == progress).ToList()) {
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432 | progressView.Dispose();
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433 | progressViews.Remove(progressView);
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434 | }
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435 | viewProgressLookup.Remove(view);
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436 | }
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437 | #endregion
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438 |
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439 | #region create menu and toolbar
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440 | private void CreateGUI() {
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441 | IEnumerable<object> allUserInterfaceItems = ApplicationManager.Manager.GetInstances(userInterfaceItemType);
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442 |
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443 | IEnumerable<IPositionableUserInterfaceItem> toolStripMenuItems =
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444 | from mi in allUserInterfaceItems
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445 | where (mi is IPositionableUserInterfaceItem) &&
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446 | (mi is IMenuItem || mi is IMenuSeparatorItem)
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447 | orderby ((IPositionableUserInterfaceItem)mi).Position
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448 | select (IPositionableUserInterfaceItem)mi;
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449 |
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450 | foreach (IPositionableUserInterfaceItem menuItem in toolStripMenuItems) {
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451 | if (menuItem is IMenuItem)
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452 | AddToolStripMenuItem((IMenuItem)menuItem);
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453 | else if (menuItem is IMenuSeparatorItem)
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454 | AddToolStripMenuItem((IMenuSeparatorItem)menuItem);
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455 | }
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456 |
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457 | IEnumerable<IPositionableUserInterfaceItem> toolStripButtonItems =
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458 | from bi in allUserInterfaceItems
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459 | where (bi is IPositionableUserInterfaceItem) &&
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460 | (bi is IToolBarItem || bi is IToolBarSeparatorItem)
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461 | orderby ((IPositionableUserInterfaceItem)bi).Position
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462 | select (IPositionableUserInterfaceItem)bi;
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463 |
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464 | foreach (IPositionableUserInterfaceItem toolStripButtonItem in toolStripButtonItems) {
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465 | if (toolStripButtonItem is IToolBarItem)
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466 | AddToolStripButtonItem((IToolBarItem)toolStripButtonItem);
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467 | else if (toolStripButtonItem is IToolBarSeparatorItem)
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468 | AddToolStripButtonItem((IToolBarSeparatorItem)toolStripButtonItem);
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469 | }
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470 |
|
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471 | this.AdditionalCreationOfGuiElements();
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472 | }
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473 |
|
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474 | protected virtual void AdditionalCreationOfGuiElements() {
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475 | }
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476 |
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477 | private void AddToolStripMenuItem(IMenuItem menuItem) {
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478 | ToolStripMenuItem item = new ToolStripMenuItem();
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479 | this.SetToolStripItemProperties(item, menuItem);
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480 | this.InsertItem(menuItem.Structure, typeof(ToolStripMenuItem), item, menuStrip.Items);
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481 | if (menuItem is MenuItem) {
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482 | MenuItem menuItemBase = (MenuItem)menuItem;
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---|
483 | menuItemBase.ToolStripItem = item;
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---|
484 | item.ShortcutKeys = menuItemBase.ShortCutKeys;
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485 | item.DisplayStyle = menuItemBase.ToolStripItemDisplayStyle;
|
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486 | }
|
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487 | }
|
---|
488 |
|
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489 | private void AddToolStripMenuItem(IMenuSeparatorItem menuItem) {
|
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490 | this.InsertItem(menuItem.Structure, typeof(ToolStripMenuItem), new ToolStripSeparator(), menuStrip.Items);
|
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491 | }
|
---|
492 |
|
---|
493 | private void AddToolStripButtonItem(IToolBarItem buttonItem) {
|
---|
494 | ToolStripItem item = new ToolStripButton();
|
---|
495 | if (buttonItem is ToolBarItem) {
|
---|
496 | ToolBarItem buttonItemBase = (ToolBarItem)buttonItem;
|
---|
497 | if (buttonItemBase.IsDropDownButton)
|
---|
498 | item = new ToolStripDropDownButton();
|
---|
499 |
|
---|
500 | item.DisplayStyle = buttonItemBase.ToolStripItemDisplayStyle;
|
---|
501 | buttonItemBase.ToolStripItem = item;
|
---|
502 | }
|
---|
503 |
|
---|
504 | this.SetToolStripItemProperties(item, buttonItem);
|
---|
505 | this.InsertItem(buttonItem.Structure, typeof(ToolStripDropDownButton), item, toolStrip.Items);
|
---|
506 | }
|
---|
507 |
|
---|
508 | private void AddToolStripButtonItem(IToolBarSeparatorItem buttonItem) {
|
---|
509 | this.InsertItem(buttonItem.Structure, typeof(ToolStripDropDownButton), new ToolStripSeparator(), toolStrip.Items);
|
---|
510 | }
|
---|
511 |
|
---|
512 | private void InsertItem(IEnumerable<string> structure, Type t, ToolStripItem item, ToolStripItemCollection parentItems) {
|
---|
513 | ToolStripDropDownItem parent = null;
|
---|
514 | foreach (string s in structure) {
|
---|
515 | if (parentItems.ContainsKey(s))
|
---|
516 | parent = (ToolStripDropDownItem)parentItems[s];
|
---|
517 | else {
|
---|
518 | parent = (ToolStripDropDownItem)Activator.CreateInstance(t, s, null, null, s); ;
|
---|
519 | parentItems.Add(parent);
|
---|
520 | }
|
---|
521 | parentItems = parent.DropDownItems;
|
---|
522 | }
|
---|
523 | parentItems.Add(item);
|
---|
524 | }
|
---|
525 |
|
---|
526 | private void SetToolStripItemProperties(ToolStripItem toolStripItem, IActionUserInterfaceItem userInterfaceItem) {
|
---|
527 | toolStripItem.Name = userInterfaceItem.Name;
|
---|
528 | toolStripItem.Text = userInterfaceItem.Name;
|
---|
529 | toolStripItem.ToolTipText = userInterfaceItem.ToolTipText;
|
---|
530 | toolStripItem.Tag = userInterfaceItem;
|
---|
531 | toolStripItem.Image = userInterfaceItem.Image;
|
---|
532 | toolStripItem.Click += new EventHandler(ToolStripItemClicked);
|
---|
533 | this.userInterfaceItems.Add(userInterfaceItem);
|
---|
534 | }
|
---|
535 |
|
---|
536 | private void ToolStripItemClicked(object sender, EventArgs e) {
|
---|
537 | System.Windows.Forms.ToolStripItem item = (System.Windows.Forms.ToolStripItem)sender;
|
---|
538 | try {
|
---|
539 | ((IActionUserInterfaceItem)item.Tag).Execute();
|
---|
540 | }
|
---|
541 | catch (Exception ex) {
|
---|
542 | ErrorHandling.ShowErrorDialog((Control)MainFormManager.MainForm, ex);
|
---|
543 | }
|
---|
544 | }
|
---|
545 | #endregion
|
---|
546 |
|
---|
547 | #region Cursor Handling
|
---|
548 | public void SetAppStartingCursor() {
|
---|
549 | if (InvokeRequired)
|
---|
550 | Invoke(new Action(SetAppStartingCursor));
|
---|
551 | else {
|
---|
552 | appStartingCursors++;
|
---|
553 | SetCursor();
|
---|
554 | }
|
---|
555 | }
|
---|
556 | public void ResetAppStartingCursor() {
|
---|
557 | if (InvokeRequired)
|
---|
558 | Invoke(new Action(ResetAppStartingCursor));
|
---|
559 | else {
|
---|
560 | appStartingCursors--;
|
---|
561 | SetCursor();
|
---|
562 | }
|
---|
563 | }
|
---|
564 | public void SetWaitCursor() {
|
---|
565 | if (InvokeRequired)
|
---|
566 | Invoke(new Action(SetWaitCursor));
|
---|
567 | else {
|
---|
568 | waitingCursors++;
|
---|
569 | SetCursor();
|
---|
570 | }
|
---|
571 | }
|
---|
572 | public void ResetWaitCursor() {
|
---|
573 | if (InvokeRequired)
|
---|
574 | Invoke(new Action(ResetWaitCursor));
|
---|
575 | else {
|
---|
576 | waitingCursors--;
|
---|
577 | SetCursor();
|
---|
578 | }
|
---|
579 | }
|
---|
580 | private void SetCursor() {
|
---|
581 | if (waitingCursors > 0) Cursor = Cursors.WaitCursor;
|
---|
582 | else if (appStartingCursors > 0) Cursor = Cursors.AppStarting;
|
---|
583 | else Cursor = Cursors.Default;
|
---|
584 | }
|
---|
585 | #endregion
|
---|
586 | }
|
---|
587 | }
|
---|