1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2017 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.Drawing;
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26 | using System.Linq;
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27 | using System.Windows.Forms;
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28 | using HeuristicLab.Clients.Access;
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29 | using HeuristicLab.Clients.Hive.Views;
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30 | using HeuristicLab.Collections;
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31 | using HeuristicLab.Common.Resources;
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32 | using HeuristicLab.Core;
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33 | using HeuristicLab.Core.Views;
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34 | using HeuristicLab.MainForm;
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35 |
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36 | namespace HeuristicLab.Clients.Hive.Administrator.Views {
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37 | [View("Projects View")]
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38 | [Content(typeof(IItemList<Project>), false)]
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39 | public partial class ProjectsView : ItemView, IDisposable {
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40 | private const int greenFlagImageIndex = 0;
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41 | private const int redFlagImageIndex = 1;
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42 |
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43 | private readonly Color changedColor = Color.FromArgb(255, 87, 191, 193); // #57bfc1
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44 | private readonly Color selectedColor = Color.FromArgb(255, 240, 194, 59); // #f0c23b
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45 | private Project selectedProject = null;
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46 |
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47 | private readonly object locker = new object();
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48 |
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49 | public new IItemList<Project> Content {
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50 | get { return (IItemList<Project>)base.Content; }
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51 | set { base.Content = value; }
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52 | }
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53 |
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54 | public ProjectsView() {
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55 | InitializeComponent();
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56 |
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57 | projectsTreeView.ImageList.Images.Add(VSImageLibrary.FlagGreen);
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58 | projectsTreeView.ImageList.Images.Add(VSImageLibrary.FlagRed);
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59 |
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60 | HiveAdminClient.Instance.Refreshing += HiveAdminClient_Instance_Refreshing;
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61 | HiveAdminClient.Instance.Refreshed += HiveAdminClient_Instance_Refreshed;
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62 | AccessClient.Instance.Refreshing += AccessClient_Instance_Refreshing;
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63 | AccessClient.Instance.Refreshed += AccessClient_Instance_Refreshed;
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64 | }
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65 |
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66 | #region Overrides
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67 | protected override void OnClosing(FormClosingEventArgs e) {
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68 | AccessClient.Instance.Refreshed -= AccessClient_Instance_Refreshed;
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69 | AccessClient.Instance.Refreshing -= AccessClient_Instance_Refreshing;
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70 | HiveAdminClient.Instance.Refreshed -= HiveAdminClient_Instance_Refreshed;
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71 | HiveAdminClient.Instance.Refreshing -= HiveAdminClient_Instance_Refreshing;
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72 | base.OnClosing(e);
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73 | }
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74 |
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75 | protected override void RegisterContentEvents() {
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76 | base.RegisterContentEvents();
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77 | Content.ItemsAdded += Content_ItemsAdded;
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78 | Content.ItemsRemoved += Content_ItemsRemoved;
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79 | }
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80 |
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81 | protected override void DeregisterContentEvents() {
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82 | Content.ItemsRemoved -= Content_ItemsRemoved;
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83 | Content.ItemsAdded -= Content_ItemsAdded;
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84 | base.DeregisterContentEvents();
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85 | }
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86 |
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87 | protected override void OnContentChanged() {
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88 | base.OnContentChanged();
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89 | if (Content == null) {
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90 | projectsTreeView.Nodes.Clear();
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91 | projectView.Content = null;
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92 | projectPermissionsView.Content = null;
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93 | projectResourcesView.Content = null;
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94 | } else {
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95 | var top = BuildProjectTree(Content);
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96 | projectView.Content = top;
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97 | projectPermissionsView.Content = top;
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98 | projectResourcesView.Content = top;
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99 |
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100 | if(top != null && top.Id == Guid.Empty) {
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101 | projectPermissionsView.Locked = true;
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102 | projectResourcesView.Locked = true;
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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 | protected override void SetEnabledStateOfControls() {
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108 | base.SetEnabledStateOfControls();
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109 | bool enabled = Content != null && !ReadOnly;
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110 | refreshButton.Enabled = enabled;
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111 | addButton.Enabled = enabled;
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112 | removeButton.Enabled = enabled;
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113 | saveProjectButton.Enabled = enabled;
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114 | projectView.Enabled = enabled;
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115 | projectPermissionsView.Enabled = enabled;
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116 | projectResourcesView.Enabled = enabled;
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117 | }
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118 | #endregion
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119 |
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120 | #region Event Handlers
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121 | private void Content_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<Project>> e) {
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122 | if (InvokeRequired) Invoke((Action<object, CollectionItemsChangedEventArgs<IndexedItem<Project>>>)Content_ItemsAdded, sender, e);
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123 | else {
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124 | OnContentChanged();
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125 | }
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126 | }
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127 |
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128 | private void Content_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<Project>> e) {
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129 | if (InvokeRequired) Invoke((Action<object, CollectionItemsChangedEventArgs<IndexedItem<Project>>>)Content_ItemsRemoved, sender, e);
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130 | else {
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131 | OnContentChanged();
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132 | }
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133 | }
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134 |
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135 | private void ProjectViewContent_PropertyChanged(object sender, PropertyChangedEventArgs e) {
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136 | if (InvokeRequired) Invoke((Action<object, PropertyChangedEventArgs>)ProjectViewContent_PropertyChanged, sender, e);
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137 | else {
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138 | OnContentChanged();
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139 | }
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140 | }
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141 |
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142 | private void HiveAdminClient_Instance_Refreshing(object sender, EventArgs e) {
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143 | if (InvokeRequired) Invoke((Action<object, EventArgs>)HiveAdminClient_Instance_Refreshing, sender, e);
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144 | else {
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145 | var mainForm = MainFormManager.GetMainForm<MainForm.WindowsForms.MainForm>();
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146 | mainForm.AddOperationProgressToView(this, "Refreshing ...");
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147 | SetEnabledStateOfControls();
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148 | }
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149 | }
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150 |
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151 | private void HiveAdminClient_Instance_Refreshed(object sender, EventArgs e) {
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152 | if (InvokeRequired) Invoke((Action<object, EventArgs>)HiveAdminClient_Instance_Refreshed, sender, e);
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153 | else {
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154 | var mainForm = MainFormManager.GetMainForm<MainForm.WindowsForms.MainForm>();
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155 | mainForm.RemoveOperationProgressFromView(this);
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156 | SetEnabledStateOfControls();
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157 | }
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158 | }
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159 |
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160 | private void AccessClient_Instance_Refreshing(object sender, EventArgs e) {
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161 | if (InvokeRequired) Invoke((Action<object, EventArgs>)AccessClient_Instance_Refreshing, sender, e);
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162 | else {
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163 | var mainForm = MainFormManager.GetMainForm<MainForm.WindowsForms.MainForm>();
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164 | mainForm.AddOperationProgressToView(this, "Refreshing ...");
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165 | SetEnabledStateOfControls();
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166 | }
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167 | }
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168 |
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169 | private void AccessClient_Instance_Refreshed(object sender, EventArgs e) {
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170 | if (InvokeRequired) Invoke((Action<object, EventArgs>)AccessClient_Instance_Refreshed, sender, e);
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171 | else {
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172 | var mainForm = MainFormManager.GetMainForm<MainForm.WindowsForms.MainForm>();
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173 | mainForm.RemoveOperationProgressFromView(this);
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174 | SetEnabledStateOfControls();
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175 | }
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176 | }
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177 |
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178 | private async void ProjectsView_Load(object sender, EventArgs e) {
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179 | await SecurityExceptionUtil.TryAsyncAndReportSecurityExceptions(
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180 | action: () => UpdateProjects());
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181 | }
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182 |
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183 | private async void refreshButton_Click(object sender, EventArgs e) {
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184 | lock (locker) {
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185 | if (!refreshButton.Enabled) return;
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186 | refreshButton.Enabled = false;
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187 | }
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188 |
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189 | await SecurityExceptionUtil.TryAsyncAndReportSecurityExceptions(
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190 | action: () => UpdateProjects(),
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191 | finallyCallback: () => {
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192 | refreshButton.Enabled = true;
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193 | });
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194 | }
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195 |
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196 | private void addButton_Click(object sender, EventArgs e) {
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197 | Guid? parentProjectId = null;
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198 |
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199 | if (selectedProject != null && selectedProject.Id == Guid.Empty) {
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200 | MessageBox.Show(
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201 | "You cannot add a project to a not yet stored project.",
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202 | "HeuristicLab Hive Administrator",
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203 | MessageBoxButtons.OK,
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204 | MessageBoxIcon.Information);
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205 | return;
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206 | }
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207 |
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208 | if (selectedProject != null) parentProjectId = selectedProject.Id;
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209 | var project = new Project {
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210 | Name = "New Project",
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211 | OwnerUserId = UserInformation.Instance.User.Id,
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212 | ParentProjectId = parentProjectId
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213 | };
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214 |
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215 | selectedProject = project;
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216 | Content.Add(project);
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217 | }
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218 |
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219 | private async void removeButton_Click(object sender, EventArgs e) {
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220 | if (selectedProject == null) return;
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221 |
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222 | lock (locker) {
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223 | if (!removeButton.Enabled) return;
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224 | removeButton.Enabled = false;
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225 | }
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226 |
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227 | if(!IsAdmin()
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228 | && HiveAdminClient.Instance.CheckOwnershipOfParentProject(selectedProject,
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229 | UserInformation.Instance.User.Id)) {
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230 | MessageBox.Show(
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231 | "Only subprojects of owned projects can be deleted.",
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232 | "HeuristicLab Hive Administrator",
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233 | MessageBoxButtons.OK,
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234 | MessageBoxIcon.Error);
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235 | return;
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236 | }
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237 |
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238 | if (!IsAdmin() && Content.Any(x => x.ParentProjectId == selectedProject.Id)) {
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239 | MessageBox.Show(
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240 | "Only empty projects can be deleted.",
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241 | "HeuristicLab Hive Administrator",
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242 | MessageBoxButtons.OK,
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243 | MessageBoxIcon.Error);
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244 | return;
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245 | }
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246 |
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247 | var result = MessageBox.Show(
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248 | "Do you really want to delete " + selectedProject.Name + "?",
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249 | "HeuristicLab Hive Administrator",
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250 | MessageBoxButtons.YesNo,
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251 | MessageBoxIcon.Question);
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252 |
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253 | if (result == DialogResult.Yes) {
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254 | await SecurityExceptionUtil.TryAsyncAndReportSecurityExceptions(
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255 | action: () => RemoveProject(selectedProject),
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256 | finallyCallback: () => {
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257 | removeButton.Enabled = true;
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258 | });
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259 | }
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260 | }
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261 |
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262 | private async void saveProjectButton_Click(object sender, EventArgs e) {
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263 | lock (locker) {
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264 | if (!saveProjectButton.Enabled) return;
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265 | saveProjectButton.Enabled = false;
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266 | }
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267 |
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268 | await SecurityExceptionUtil.TryAsyncAndReportSecurityExceptions(
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269 | action: () => {
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270 | var projectsToSave = Content.Where(x => x.Id == Guid.Empty || x.Modified);
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271 | foreach (var project in projectsToSave)
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272 | project.Store();
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273 | UpdateProjects();
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274 | },
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275 | finallyCallback: () => saveProjectButton.Enabled = true);
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276 |
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277 | OnContentChanged();
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278 | }
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279 |
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280 | private void projectsTreeView_AfterSelect(object sender, TreeViewEventArgs e) {
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281 | ChangeSelectedProjectNode(e.Node);
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282 |
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283 | //if (projectView.Content != null)
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284 | // projectView.Content.PropertyChanged -= ProjectViewContent_PropertyChanged;
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285 |
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286 | projectView.Content = selectedProject;
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287 | projectPermissionsView.Content = selectedProject;
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288 | projectResourcesView.Content = selectedProject;
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289 |
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290 | //if (selectedProject != null)
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291 | // selectedProject.PropertyChanged += ProjectViewContent_PropertyChanged;
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292 | }
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293 |
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294 | private void projectsTreeView_DragDrop(object sender, DragEventArgs e) {
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295 | var sourceNode = (TreeNode)e.Data.GetData(typeof(TreeNode));
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296 | if (sourceNode == null) return;
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297 | var sourceResource = ((Project)sourceNode.Tag);
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298 | if (sourceResource == null) return;
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299 |
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300 | var treeView = (TreeView)sender;
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301 | if (sourceNode.TreeView != treeView) return;
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302 |
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303 | var targetPoint = treeView.PointToClient(new Point(e.X, e.Y));
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304 | var targetNode = treeView.GetNodeAt(targetPoint);
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305 |
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306 | if (sourceNode == targetNode) return;
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307 | var targetProject = (targetNode != null) ? (Project)targetNode.Tag : null;
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308 |
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309 | if(targetProject != null && targetProject.Id == Guid.Empty) {
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310 | MessageBox.Show(
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311 | "You cannot drag projects to a not yet stored project.",
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312 | "HeuristicLab Hive Administrator",
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313 | MessageBoxButtons.OK,
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314 | MessageBoxIcon.Information);
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315 | return;
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316 | }
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317 |
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318 | if (sourceNode.Parent == null) {
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319 | treeView.Nodes.Remove(sourceNode);
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320 | } else {
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321 | sourceNode.Parent.Nodes.Remove(sourceNode);
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322 | sourceResource.ParentProjectId = null;
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323 | }
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324 |
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325 | if (targetNode == null) {
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326 | treeView.Nodes.Add(sourceNode);
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327 | } else if(targetProject.Id != Guid.Empty) {
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328 | targetNode.Nodes.Add(sourceNode);
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329 | sourceResource.ParentProjectId = targetProject.Id;
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330 | }
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331 |
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332 | selectedProject = sourceResource;
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333 | OnContentChanged();
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334 | }
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335 |
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336 | private void projectsTreeView_ItemDrag(object sender, ItemDragEventArgs e) {
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337 | var sourceNode = (TreeNode)e.Item;
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338 | if (IsAuthorized((Project)sourceNode.Tag))
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339 | DoDragDrop(sourceNode, DragDropEffects.All);
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340 | }
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341 |
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342 | private void projectsTreeView_DragEnter(object sender, DragEventArgs e) {
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343 | e.Effect = DragDropEffects.Move;
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344 | }
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345 |
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346 | private void projectsTreeView_DragOver(object sender, DragEventArgs e) {
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347 | e.Effect = DragDropEffects.Move;
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348 | }
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349 |
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350 | private void projectsTreeView_QueryContinueDrag(object sender, QueryContinueDragEventArgs e) {
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351 | e.Action = DragAction.Continue;
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352 | }
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353 | #endregion
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354 |
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355 | #region Helpers
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356 | private void ResetTreeNodes(TreeNodeCollection nodes, Color c1, Color c2, bool resetText) {
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357 | foreach (TreeNode n in nodes) {
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358 | var pro = ((Project)n.Tag);
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359 | if (n.BackColor.Equals(c1)) {
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360 | n.BackColor = c2;
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361 | }
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362 | if (resetText) {
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363 | n.Text = pro.Name;
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364 |
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365 | if (pro.Id == Guid.Empty) {
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366 | n.Text += " [not stored]";
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367 | } else if (pro.Modified) {
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368 | n.Text += " [changes not stored]";
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369 | }
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370 | }
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371 | if (n.Nodes.Count > 0) {
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372 | ResetTreeNodes(n.Nodes, c1, c2, resetText);
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373 | }
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374 | }
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375 | }
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376 |
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377 | private void ChangeSelectedProjectNode(TreeNode projectNode) {
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378 | selectedProject = (Project)projectNode.Tag;
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379 | ResetTreeNodes(projectsTreeView.Nodes, selectedColor, Color.Transparent, true);
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380 | projectNode.BackColor = selectedColor;
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381 | projectNode.Text += " [selected]";
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382 | }
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383 |
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384 | private Project BuildProjectTree(IEnumerable<Project> projects) {
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385 | projectsTreeView.Nodes.Clear();
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386 | if (!projects.Any()) return null;
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387 |
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388 | var mainProjects = new HashSet<Project>(projects.Where(x => x.ParentProjectId == null));
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389 | var parentedMainProjects = new HashSet<Project>(projects
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390 | .Where(x => x.ParentProjectId.HasValue
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391 | && !projects.Select(y => y.Id).Contains(x.ParentProjectId.Value)));
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392 | mainProjects.UnionWith(parentedMainProjects);
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393 | var subProbjects = new HashSet<Project>(projects.Except(mainProjects));
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394 |
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395 | var stack = new Stack<Project>(mainProjects.OrderByDescending(x => x.Name));
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396 | if (selectedProject != null) selectedProject = projects.Where(x => x.Id == selectedProject.Id).FirstOrDefault();
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397 | bool nodeSelected = false;
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398 |
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399 | TreeNode currentNode = null;
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400 | Project currentProject = null;
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401 |
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402 | while (stack.Any()) {
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403 | var newProject = stack.Pop();
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404 | var newNode = new TreeNode(newProject.Name) { Tag = newProject };
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405 |
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406 | if (newProject.Id == Guid.Empty) {
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407 | newNode.Text += " [not stored]";
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408 | } else if(newProject.Modified) {
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409 | newNode.Text += " [changes not stored]";
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410 | }
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411 | if (selectedProject == null) {
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412 | selectedProject = newProject;
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413 | }
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414 | if (newProject.Id == selectedProject.Id && !nodeSelected) {
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415 | newNode.BackColor = selectedColor;
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416 | newNode.Text += " [selected]";
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417 | nodeSelected = true;
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418 | }
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419 |
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420 | // search for parent node of newNode and save in currentNode
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421 | // necessary since newNodes (stack top items) might be siblings
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422 | // or grand..grandparents of previous node (currentNode)
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423 | while (currentNode != null && newProject.ParentProjectId != currentProject.Id) {
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424 | currentNode = currentNode.Parent;
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425 | currentProject = currentNode == null ? null : (Project)currentNode.Tag;
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426 | }
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427 |
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428 | if (currentNode == null) {
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429 | projectsTreeView.Nodes.Add(newNode);
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430 | newNode.ImageIndex = greenFlagImageIndex;
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431 | } else {
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432 | currentNode.Nodes.Add(newNode);
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433 | newNode.ImageIndex = redFlagImageIndex;
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434 | }
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435 |
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436 | newNode.SelectedImageIndex = newNode.ImageIndex;
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437 |
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438 | var childProjects = subProbjects.Where(x => x.ParentProjectId == newProject.Id);
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439 | if (childProjects.Any()) {
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440 | foreach (var project in childProjects.OrderByDescending(x => x.Name)) {
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441 | subProbjects.Remove(project);
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442 | stack.Push(project);
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443 | }
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444 | currentNode = newNode;
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445 | currentProject = newProject;
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446 | }
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447 | }
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448 |
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449 | projectsTreeView.ExpandAll();
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450 |
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451 | return selectedProject;
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452 | }
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453 |
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454 | private void UpdateProjects() {
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455 | try {
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456 | HiveAdminClient.Instance.Refresh();
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457 | Content = HiveAdminClient.Instance.Projects;
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458 | } catch (AnonymousUserException) {
|
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459 | ShowHiveInformationDialog();
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460 | }
|
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461 | }
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462 |
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463 | private void RemoveProject(Project project) {
|
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464 | if (project == null || project.Id == Guid.Empty) return;
|
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465 |
|
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466 | try {
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467 | HiveAdminClient.Delete(project);
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468 | Content.Remove(selectedProject);
|
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469 | } catch (AnonymousUserException) {
|
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470 | ShowHiveInformationDialog();
|
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471 | }
|
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472 | }
|
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473 |
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474 | private bool IsAuthorized(Project project) {
|
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475 | return project != null && UserInformation.Instance.UserExists;
|
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476 | //&& (project.OwnerUserId == UserInformation.Instance.User.Id || HiveRoles.CheckAdminUserPermissions());
|
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477 | }
|
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478 |
|
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479 | private bool IsAdmin() {
|
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480 | return HiveRoles.CheckAdminUserPermissions();
|
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481 | }
|
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482 |
|
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483 | private void ShowHiveInformationDialog() {
|
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484 | if (InvokeRequired) Invoke((Action)ShowHiveInformationDialog);
|
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485 | else {
|
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486 | using (HiveInformationDialog dialog = new HiveInformationDialog()) {
|
---|
487 | dialog.ShowDialog(this);
|
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488 | }
|
---|
489 | }
|
---|
490 | }
|
---|
491 | #endregion
|
---|
492 | }
|
---|
493 | }
|
---|