1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2010 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.ComponentModel;
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25 | using System.Data;
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26 | using System.Drawing;
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27 | using System.Linq;
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28 | using System.Text;
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29 | using System.Windows.Forms;
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30 |
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31 | using HeuristicLab.PluginInfrastructure;
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32 | using System.Collections;
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33 | using WeifenLuo.WinFormsUI.Docking;
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34 |
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35 | namespace HeuristicLab.MainForm.WindowsForms {
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36 | public partial class MainForm : Form, IMainForm {
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37 | private bool initialized;
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38 |
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39 | protected MainForm()
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40 | : base() {
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41 | InitializeComponent();
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42 | this.views = new Dictionary<IView, Form>();
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43 | this.userInterfaceItems = new List<IUserInterfaceItem>();
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44 | this.initialized = false;
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45 | this.showViewsInViewHost = false;
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46 | }
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47 |
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48 | protected MainForm(Type userInterfaceItemType)
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49 | : this() {
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50 | this.userInterfaceItemType = userInterfaceItemType;
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51 | }
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52 |
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53 | #region properties
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54 | private bool showViewsInViewHost;
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55 | public bool ShowViewsInViewHost {
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56 | get { return this.showViewsInViewHost; }
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57 | set { this.showViewsInViewHost = value; }
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58 | }
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59 |
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60 | public string Title {
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61 | get { return this.Text; }
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62 | set {
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63 | if (InvokeRequired) {
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64 | Action<string> action = delegate(string s) { this.Title = s; };
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65 | Invoke(action, value);
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66 | } else
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67 | this.Text = value;
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68 | }
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69 | }
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70 |
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71 | public override Cursor Cursor {
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72 | get { return base.Cursor; }
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73 | set {
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74 | if (InvokeRequired) {
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75 | Action<Cursor> action = delegate(Cursor c) { this.Cursor = c; };
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76 | Invoke(action, value);
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77 | } else
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78 | base.Cursor = value;
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79 | }
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80 | }
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81 |
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82 | private Type userInterfaceItemType;
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83 | public Type UserInterfaceItemType {
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84 | get { return this.userInterfaceItemType; }
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85 | }
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86 |
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87 | private Dictionary<IView, Form> views;
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88 | public IEnumerable<IView> Views {
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89 | get { return views.Keys; }
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90 | }
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91 |
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92 | private IView activeView;
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93 | public IView ActiveView {
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94 | get { return this.activeView; }
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95 | protected set {
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96 | if (this.activeView != value) {
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97 | if (InvokeRequired) {
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98 | Action<IView> action = delegate(IView activeView) { this.ActiveView = activeView; };
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99 | Invoke(action, value);
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100 | } else {
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101 | this.activeView = value;
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102 | OnActiveViewChanged();
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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 |
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108 | private List<IUserInterfaceItem> userInterfaceItems;
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109 | protected IEnumerable<IUserInterfaceItem> UserInterfaceItems {
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110 | get { return this.userInterfaceItems; }
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111 | }
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112 | #endregion
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113 |
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114 | #region events
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115 | public event EventHandler ActiveViewChanged;
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116 | protected virtual void OnActiveViewChanged() {
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117 | if (InvokeRequired)
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118 | Invoke((MethodInvoker)OnActiveViewChanged);
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119 | else if (ActiveViewChanged != null)
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120 | ActiveViewChanged(this, EventArgs.Empty);
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121 | }
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122 |
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123 | public event EventHandler<ViewEventArgs> ViewClosed;
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124 | protected virtual void OnViewClosed(IView view) {
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125 | if (InvokeRequired) Invoke((Action<IView>)OnViewClosed, view);
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126 | else if (this.ViewClosed != null) {
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127 | this.ViewClosed(this, new ViewEventArgs(view));
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128 | }
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129 | }
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130 |
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131 | public event EventHandler<ViewShownEventArgs> ViewShown;
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132 | protected virtual void OnViewShown(IView view, bool firstTimeShown) {
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133 | if (InvokeRequired) Invoke((Action<IView, bool>)OnViewShown, view, firstTimeShown);
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134 | else if (this.ViewShown != null) {
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135 | this.ViewShown(this, new ViewShownEventArgs(view, firstTimeShown));
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136 | }
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137 | }
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138 |
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139 | public event EventHandler<ViewEventArgs> ViewHidden;
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140 | protected virtual void OnViewHidden(IView view) {
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141 | if (InvokeRequired) Invoke((Action<IView>)OnViewHidden, view);
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142 | else if (this.ViewHidden != null) {
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143 | this.ViewHidden(this, new ViewEventArgs(view));
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144 | }
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145 | }
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146 |
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147 | public event EventHandler Changed;
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148 | protected void FireMainFormChanged() {
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149 | if (InvokeRequired)
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150 | Invoke((MethodInvoker)FireMainFormChanged);
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151 | else if (Changed != null)
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152 | Changed(this, EventArgs.Empty);
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153 | }
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154 |
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155 | private void MainFormBase_Load(object sender, EventArgs e) {
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156 | if (!DesignMode) {
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157 | MainFormManager.RegisterMainForm(this);
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158 | if (!this.initialized) {
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159 | this.initialized = true;
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160 | this.OnInitialized(EventArgs.Empty);
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161 | }
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162 | this.CreateGUI();
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163 | }
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164 | }
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165 |
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166 | protected virtual void OnInitialized(EventArgs e) {
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167 | }
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168 |
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169 | private void FormActivated(object sender, EventArgs e) {
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170 | this.ActiveView = GetView((Form)sender);
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171 | }
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172 |
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173 | protected override void OnFormClosing(FormClosingEventArgs e) {
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174 | foreach (KeyValuePair<IView,Form > pair in this.views) {
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175 | DockForm dockForm = pair.Value as DockForm;
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176 | View view = pair.Key as View;
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177 | if (view != null && dockForm != null && dockForm.DockState != DockState.Document) {
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178 | view.CloseReason = CloseReason.ApplicationExitCall;
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179 | view.OnClosingHelper(dockForm, e);
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180 | }
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181 | }
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182 | base.OnFormClosing(e);
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183 | }
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184 |
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185 | protected override void OnFormClosed(FormClosedEventArgs e) {
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186 | foreach (KeyValuePair<IView, Form> pair in this.views.ToList()) {
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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.OnClosedHelper(dockForm, e);
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192 | dockForm.Close();
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193 | }
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194 | }
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195 | base.OnFormClosed(e);
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196 | }
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197 | #endregion
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198 |
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199 | #region create, get, show, hide, close views
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200 | protected virtual Form CreateForm(IView view) {
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201 | throw new NotImplementedException("CreateForm must be implemented in subclasses of MainForm.");
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202 | }
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203 |
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204 | internal Form GetForm(IView view) {
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205 | if (views.ContainsKey(view))
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206 | return views[view];
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207 | return null;
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208 | }
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209 |
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210 | internal IView GetView(Form form) {
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211 | return views.Where(x => x.Value == form).Single().Key;
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212 | }
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213 |
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214 | internal void ShowView(IView view, bool firstTimeShown) {
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215 | if (InvokeRequired) Invoke((Action<IView, bool>)ShowView, view, firstTimeShown);
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216 | else {
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217 | if (firstTimeShown) {
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218 | Form form = CreateForm(view);
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219 | view.Changed += new EventHandler(ViewChanged);
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220 | this.views[view] = form;
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221 | form.Activated += new EventHandler(FormActivated);
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222 | form.FormClosed += new FormClosedEventHandler(ChildFormClosed);
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223 |
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224 | }
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225 | this.Show(view, firstTimeShown);
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226 | this.OnViewShown(view, firstTimeShown);
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227 | }
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228 | }
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229 |
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230 | private void ViewChanged(object sender, EventArgs e) {
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231 | IView view = (IView)sender;
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232 | if (view == this.ActiveView)
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233 | this.OnActiveViewChanged();
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234 | }
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235 |
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236 | protected virtual void Show(IView view, bool firstTimeShown) {
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237 | }
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238 |
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239 | internal void HideView(IView view) {
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240 | if (InvokeRequired) Invoke((Action<IView>)HideView, view);
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241 | else {
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242 | if (this.views.ContainsKey(view)) {
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243 | this.Hide(view);
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244 | if (this.activeView == view)
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245 | this.ActiveView = null;
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246 | this.OnViewHidden(view);
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247 | }
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248 | }
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249 | }
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250 |
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251 | protected virtual void Hide(IView view) {
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252 | }
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253 |
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254 | private void ChildFormClosed(object sender, FormClosedEventArgs e) {
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255 | Form form = (Form)sender;
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256 | IView view = GetView(form);
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257 |
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258 | view.Changed -= new EventHandler(ViewChanged);
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259 | form.Activated -= new EventHandler(FormActivated);
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260 | form.FormClosed -= new FormClosedEventHandler(ChildFormClosed);
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261 |
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262 | views.Remove(view);
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263 | this.OnViewClosed(view);
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264 | if (ActiveView == view)
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265 | ActiveView = null;
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266 | }
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267 |
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268 | internal void CloseView(IView view) {
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269 | if (InvokeRequired) Invoke((Action<IView>)CloseView, view);
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270 | else {
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271 | if (this.views.ContainsKey(view)) {
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272 | this.views[view].Close();
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273 | this.OnViewClosed(view);
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274 | }
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275 | }
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276 | }
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277 |
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278 | internal void CloseView(IView view, CloseReason closeReason) {
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279 | if (InvokeRequired) Invoke((Action<IView>)CloseView, view);
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280 | else {
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281 | if (this.views.ContainsKey(view)) {
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282 | ((View)view).CloseReason = closeReason;
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283 | this.CloseView(view);
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284 | }
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285 | }
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286 | }
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287 |
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288 | public void CloseAllViews() {
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289 | foreach (IView view in views.Keys.ToArray())
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290 | CloseView(view);
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291 | }
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292 |
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293 | public void CloseAllViews(CloseReason closeReason) {
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294 | foreach (IView view in views.Keys.ToArray())
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295 | CloseView(view, closeReason);
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296 | }
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297 | #endregion
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298 |
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299 | #region create menu and toolbar
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300 | private void CreateGUI() {
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301 | IEnumerable<object> allUserInterfaceItems = ApplicationManager.Manager.GetInstances(userInterfaceItemType);
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302 |
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303 | IEnumerable<IPositionableUserInterfaceItem> toolStripMenuItems =
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304 | from mi in allUserInterfaceItems
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305 | where (mi is IPositionableUserInterfaceItem) &&
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306 | (mi is IMenuItem || mi is IMenuSeparatorItem)
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307 | orderby ((IPositionableUserInterfaceItem)mi).Position
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308 | select (IPositionableUserInterfaceItem)mi;
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309 |
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310 | foreach (IPositionableUserInterfaceItem menuItem in toolStripMenuItems) {
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311 | if (menuItem is IMenuItem)
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312 | AddToolStripMenuItem((IMenuItem)menuItem);
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313 | else if (menuItem is IMenuSeparatorItem)
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314 | AddToolStripMenuItem((IMenuSeparatorItem)menuItem);
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315 | }
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316 |
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317 | IEnumerable<IPositionableUserInterfaceItem> toolStripButtonItems =
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318 | from bi in allUserInterfaceItems
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319 | where (bi is IPositionableUserInterfaceItem) &&
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320 | (bi is IToolBarItem || bi is IToolBarSeparatorItem)
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321 | orderby ((IPositionableUserInterfaceItem)bi).Position
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322 | select (IPositionableUserInterfaceItem)bi;
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323 |
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324 | foreach (IPositionableUserInterfaceItem toolStripButtonItem in toolStripButtonItems) {
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325 | if (toolStripButtonItem is IToolBarItem)
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326 | AddToolStripButtonItem((IToolBarItem)toolStripButtonItem);
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327 | else if (toolStripButtonItem is IToolBarSeparatorItem)
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328 | AddToolStripButtonItem((IToolBarSeparatorItem)toolStripButtonItem);
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329 | }
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330 |
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331 | this.AdditionalCreationOfGuiElements();
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332 | }
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333 |
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334 | protected virtual void AdditionalCreationOfGuiElements() {
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335 | }
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336 |
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337 | private void AddToolStripMenuItem(IMenuItem menuItem) {
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338 | ToolStripMenuItem item = new ToolStripMenuItem();
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339 | this.SetToolStripItemProperties(item, menuItem);
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340 | if (menuItem is MenuItem) {
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341 | MenuItem menuItemBase = (MenuItem)menuItem;
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342 | menuItemBase.ToolStripItem = item;
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343 | item.ShortcutKeys = menuItemBase.ShortCutKeys;
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344 | item.DisplayStyle = menuItemBase.ToolStripItemDisplayStyle;
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345 | }
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346 | this.InsertItem(menuItem.Structure, typeof(ToolStripMenuItem), item, menuStrip.Items);
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347 | }
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348 |
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349 | private void AddToolStripMenuItem(IMenuSeparatorItem menuItem) {
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350 | this.InsertItem(menuItem.Structure, typeof(ToolStripMenuItem), new ToolStripSeparator(), menuStrip.Items);
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351 | }
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352 |
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353 | private void AddToolStripButtonItem(IToolBarItem buttonItem) {
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354 | ToolStripItem item = new ToolStripButton();
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355 | if (buttonItem is ToolBarItem) {
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356 | ToolBarItem buttonItemBase = (ToolBarItem)buttonItem;
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357 | if (buttonItemBase.IsDropDownButton)
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358 | item = new ToolStripDropDownButton();
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359 |
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360 | item.DisplayStyle = buttonItemBase.ToolStripItemDisplayStyle;
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361 | buttonItemBase.ToolStripItem = item;
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362 | }
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363 |
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364 | this.SetToolStripItemProperties(item, buttonItem);
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365 | this.InsertItem(buttonItem.Structure, typeof(ToolStripDropDownButton), item, toolStrip.Items);
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366 | }
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367 |
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368 | private void AddToolStripButtonItem(IToolBarSeparatorItem buttonItem) {
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369 | this.InsertItem(buttonItem.Structure, typeof(ToolStripDropDownButton), new ToolStripSeparator(), toolStrip.Items);
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370 | }
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371 |
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372 | private void InsertItem(IEnumerable<string> structure, Type t, ToolStripItem item, ToolStripItemCollection parentItems) {
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373 | ToolStripDropDownItem parent = null;
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374 | foreach (string s in structure) {
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375 | if (parentItems.ContainsKey(s))
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376 | parent = (ToolStripDropDownItem)parentItems[s];
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377 | else {
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378 | parent = (ToolStripDropDownItem)Activator.CreateInstance(t, s, null, null, s); ;
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379 | parentItems.Add(parent);
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380 | }
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381 | parentItems = parent.DropDownItems;
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382 | }
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383 | parentItems.Add(item);
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384 | }
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385 |
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386 | private void SetToolStripItemProperties(ToolStripItem toolStripItem, IActionUserInterfaceItem userInterfaceItem) {
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387 | toolStripItem.Name = userInterfaceItem.Name;
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388 | toolStripItem.Text = userInterfaceItem.Name;
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389 | toolStripItem.ToolTipText = userInterfaceItem.ToolTipText;
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390 | toolStripItem.Tag = userInterfaceItem;
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391 | toolStripItem.Image = userInterfaceItem.Image;
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392 | toolStripItem.Click += new EventHandler(ToolStripItemClicked);
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393 | this.userInterfaceItems.Add(userInterfaceItem);
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394 | }
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395 |
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396 | private void ToolStripItemClicked(object sender, EventArgs e) {
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397 | System.Windows.Forms.ToolStripItem item = (System.Windows.Forms.ToolStripItem)sender;
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398 | ((IActionUserInterfaceItem)item.Tag).Execute();
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399 | }
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400 | #endregion
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401 | }
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402 | }
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