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.Drawing;
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25 | using System.Linq;
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26 | using System.Windows.Forms;
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27 | using HeuristicLab.Clients.Access;
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28 | using HeuristicLab.Common.Resources;
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29 | using HeuristicLab.Core.Views;
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30 | using HeuristicLab.MainForm;
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31 |
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32 | namespace HeuristicLab.Clients.Hive.Administrator.Views {
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33 | [View("ProjectView")]
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34 | [Content(typeof(Project), IsDefaultView = false)]
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35 | public partial class ProjectPermissionsView : ItemView {
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36 | private const int userImageIndex = 0;
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37 | private const int userGroupImageIndex = 1;
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38 |
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39 | private readonly HashSet<UserGroupBase> assignedPermissions = new HashSet<UserGroupBase>();
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40 | private readonly HashSet<UserGroupBase> inheritedPermissions = new HashSet<UserGroupBase>();
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41 | private readonly HashSet<UserGroupBase> newAssignedPermissions = new HashSet<UserGroupBase>();
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42 | private readonly HashSet<UserGroupBase> newInheritedPermissions = new HashSet<UserGroupBase>();
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43 | private readonly Dictionary<Guid, HashSet<UserGroupBase>> userGroupAncestors = new Dictionary<Guid, HashSet<UserGroupBase>>();
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44 | private readonly Dictionary<Guid, HashSet<UserGroupBase>> userGroupDescendants = new Dictionary<Guid, HashSet<UserGroupBase>>();
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45 |
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46 | private IEnumerable<UserGroupBase> addedPermissions;
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47 | private IEnumerable<UserGroupBase> removedPermissions;
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48 | private IEnumerable<UserGroupBase> addedIncludes;
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49 | private IEnumerable<UserGroupBase> removedIncludes;
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50 |
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51 | private readonly Color addedAssignmentColor = Color.FromArgb(255, 87, 191, 193); // #57bfc1
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52 | private readonly Color removedAssignmentColor = Color.FromArgb(255, 236, 159, 72); // #ec9f48
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53 | private readonly Color addedIncludeColor = Color.FromArgb(25, 169, 221, 221); // #a9dddd
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54 | private readonly Color removedIncludeColor = Color.FromArgb(25, 249, 210, 145); // #f9d291
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55 |
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56 | public new Project Content {
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57 | get { return (Project)base.Content; }
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58 | set { base.Content = value; }
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59 | }
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60 |
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61 | public ProjectPermissionsView() {
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62 | InitializeComponent();
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63 |
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64 | treeView.ImageList.Images.Add(VSImageLibrary.User);
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65 | treeView.ImageList.Images.Add(VSImageLibrary.UserAccounts);
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66 | }
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67 |
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68 | #region Overrides
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69 | protected override void OnContentChanged() {
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70 | base.OnContentChanged();
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71 | if (Content == null) {
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72 | assignedPermissions.Clear();
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73 | inheritedPermissions.Clear();
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74 | newAssignedPermissions.Clear();
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75 | newInheritedPermissions.Clear();
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76 | treeView.Nodes.Clear();
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77 | detailsViewHost.Content = null;
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78 | } else {
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79 | UpdatePermissionList();
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80 | detailsViewHost.ActiveView.Locked = true;
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81 | }
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82 | }
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83 | #endregion
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84 |
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85 | #region Event Handlers
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86 | private void ProjectPermissionsView_Load(object sender, EventArgs e) {
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87 |
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88 | }
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89 |
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90 | private void refreshButton_Click(object sender, EventArgs e) {
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91 | UpdatePermissionList();
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92 | }
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93 |
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94 | private async void inheritButton_Click(object sender, EventArgs e) {
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95 | await SecurityExceptionUtil.TryAsyncAndReportSecurityExceptions(
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96 | action: () => SetGrantedProjectPermissions(Content.Id, newAssignedPermissions.Select(x => x.Id), false, true, false));
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97 | UpdatePermissionList();
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98 | }
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99 |
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100 | private async void saveButton_Click(object sender, EventArgs e) {
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101 | await SecurityExceptionUtil.TryAsyncAndReportSecurityExceptions(
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102 | action: () => SetGrantedProjectPermissions(Content.Id, newAssignedPermissions.Select(x => x.Id), false, false, false));
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103 | UpdatePermissionList();
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104 | }
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105 |
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106 | private void treeView_AfterSelect(object sender, TreeViewEventArgs e) {
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107 | var selectedPermission = (UserGroupBase)e.Node.Tag;
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108 | detailsViewHost.Content = selectedPermission;
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109 | }
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110 |
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111 | private void treeView_BeforeCheck(object sender, TreeViewCancelEventArgs e) {
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112 | var checkedPermission = (UserGroupBase)e.Node.Tag;
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113 | if (e.Node.Parent == null || newInheritedPermissions.Contains(checkedPermission) || checkedPermission.Id == Guid.Empty) e.Cancel = true;
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114 | }
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115 |
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116 | private void treeView_AfterCheck(object sender, TreeViewEventArgs e) {
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117 | var checkedPermission = (UserGroupBase)e.Node.Tag;
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118 | if (e.Node.Checked)
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119 | newAssignedPermissions.Add(checkedPermission);
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120 | else
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121 | newAssignedPermissions.Remove(checkedPermission);
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122 |
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123 | UpdateNewPermissionList();
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124 | }
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125 | #endregion
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126 |
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127 | #region Helpers
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128 | private void UpdatePermissionList() {
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129 | UpdateUserGroupGenealogy();
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130 | UpdateAssignedPermissions();
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131 | UpdateInheritedPermissions();
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132 | var top = BuildPermissionsList(AccessClient.Instance.UsersAndGroups);
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133 | detailsViewHost.Content = top;
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134 | }
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135 |
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136 | private void UpdateNewPermissionList() {
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137 | UpdateNewAssignedPermissions();
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138 | UpdateNewInheritedPermissions();
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139 | var top = BuildPermissionsList(AccessClient.Instance.UsersAndGroups);
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140 | detailsViewHost.Content = top;
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141 | }
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142 |
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143 | private void UpdateAssignedPermissions() {
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144 | assignedPermissions.Clear();
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145 | newAssignedPermissions.Clear();
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146 | var grantedPermissions = GetGrantedPermissionsForProject(Content.Id);
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147 | foreach (var r in grantedPermissions) {
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148 | assignedPermissions.Add(r);
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149 | newAssignedPermissions.Add(r);
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150 | }
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151 | }
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152 |
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153 | private void UpdateNewAssignedPermissions() {
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154 | for(int i = newAssignedPermissions.Count-1; i >= 0; i--) {
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155 | if(newAssignedPermissions.Intersect(userGroupAncestors[newAssignedPermissions.ElementAt(i).Id]).Any()) {
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156 | newAssignedPermissions.Remove(newAssignedPermissions.ElementAt(i));
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157 | }
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158 | }
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159 | }
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160 |
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161 | private void UpdateInheritedPermissions() {
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162 | inheritedPermissions.Clear();
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163 | newInheritedPermissions.Clear();
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164 | foreach(var item in assignedPermissions) {
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165 | if(userGroupDescendants.ContainsKey(item.Id)) {
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166 | foreach(var descendant in userGroupDescendants[item.Id]) {
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167 | inheritedPermissions.Add(descendant);
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168 | newInheritedPermissions.Add(descendant);
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169 | }
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170 | }
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171 | }
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172 | }
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173 |
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174 | private void UpdateNewInheritedPermissions() {
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175 | newInheritedPermissions.Clear();
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176 | foreach(var item in newAssignedPermissions) {
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177 | if(userGroupDescendants.ContainsKey(item.Id)) {
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178 | foreach(var descendant in userGroupDescendants[item.Id]) {
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179 | newInheritedPermissions.Add(descendant);
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180 | }
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181 | }
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182 | }
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183 | }
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184 |
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185 | private void UpdateUserGroupGenealogy() {
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186 | userGroupAncestors.Clear();
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187 | userGroupDescendants.Clear();
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188 |
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189 | var usersAndGroups = AccessClient.Instance.UsersAndGroups;
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190 | foreach (var ug in usersAndGroups) {
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191 | userGroupAncestors.Add(ug.Id, new HashSet<UserGroupBase>());
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192 | userGroupDescendants.Add(ug.Id, new HashSet<UserGroupBase>());
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193 | }
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194 |
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195 | var userGroupTree = HiveServiceLocator.Instance.CallHiveService(s => s.GetUserGroupTree());
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196 | foreach(var branch in userGroupTree) {
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197 | var parent = usersAndGroups.Where(x => x.Id == branch.Key).SingleOrDefault();
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198 | if(parent != null) {
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199 | var userGroupsToAdd = usersAndGroups.Where(x => userGroupTree[parent.Id].Contains(x.Id));
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200 | foreach (var node in userGroupsToAdd) {
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201 | userGroupDescendants[parent.Id].Add(node);
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202 | userGroupAncestors[node.Id].Add(parent);
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203 | }
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204 | }
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205 | }
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206 | }
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207 |
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208 | private static IEnumerable<UserGroupBase> GetGrantedPermissionsForProject(Guid projectId) {
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209 | var projectPermissions = HiveServiceLocator.Instance.CallHiveService(s => s.GetProjectPermissions(projectId));
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210 | var userIds = new HashSet<Guid>(projectPermissions.Select(x => x.GrantedUserId));
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211 | return AccessClient.Instance.UsersAndGroups.Where(x => userIds.Contains(x.Id));
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212 | }
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213 |
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214 | private static void SetGrantedProjectPermissions(Guid projectId, IEnumerable<Guid> userIds, bool reassign, bool cascading, bool reassignCascading) {
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215 | if (projectId == null || userIds == null) return;
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216 | HiveServiceLocator.Instance.CallHiveService(s => {
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217 | s.SaveProjectPermissions(projectId, userIds.ToList(), reassign, cascading, reassignCascading);
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218 | });
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219 | }
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220 |
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221 | private UserGroupBase BuildPermissionsList(IEnumerable<UserGroupBase> usersAndGroups) {
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222 | addedPermissions = newAssignedPermissions.Except(assignedPermissions);
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223 | removedPermissions = assignedPermissions.Except(newAssignedPermissions);
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224 | addedIncludes = newInheritedPermissions.Except(inheritedPermissions);
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225 | removedIncludes = inheritedPermissions.Except(newInheritedPermissions);
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226 |
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227 | treeView.Nodes.Clear();
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228 | if (!usersAndGroups.Any()) return null;
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229 |
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230 | treeView.BeforeCheck -= treeView_BeforeCheck;
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231 | treeView.AfterCheck -= treeView_AfterCheck;
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232 |
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233 | var userGroups = new HashSet<UserGroup>(usersAndGroups.OfType<UserGroup>());
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234 | var users = new HashSet<LightweightUser>(usersAndGroups.OfType<LightweightUser>());
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235 | UserGroupBase first = null;
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236 |
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237 | var groupsNode = new TreeNode("Groups") { ForeColor = SystemColors.GrayText };
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238 | groupsNode.ImageIndex = groupsNode.SelectedImageIndex = userGroupImageIndex;
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239 |
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240 | foreach (var group in userGroups.OrderBy(x => x.Name)) {
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241 | var node = new TreeNode(group.Name) { Tag = group };
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242 | node.ImageIndex = userGroupImageIndex;
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243 | node.SelectedImageIndex = node.ImageIndex;
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244 | BuildNode(group, node);
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245 | groupsNode.Nodes.Add(node);
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246 | if (first == null) first = group;
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247 | }
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248 |
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249 | var usersNode = new TreeNode("Users") { ForeColor = SystemColors.GrayText };
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250 | usersNode.ImageIndex = usersNode.SelectedImageIndex = userImageIndex;
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251 |
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252 | foreach (var user in users.OrderBy(x => x.ToString())) {
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253 | var node = new TreeNode(user.ToString()) { Tag = user };
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254 | node.ImageIndex = userImageIndex;
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255 | node.SelectedImageIndex = node.ImageIndex;
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256 | BuildNode(user, node);
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257 | usersNode.Nodes.Add(node);
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258 | if (first == null) first = user;
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259 | }
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260 |
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261 | treeView.Nodes.Add(groupsNode);
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262 | treeView.Nodes.Add(usersNode);
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263 | treeView.BeforeCheck += treeView_BeforeCheck;
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264 | treeView.AfterCheck += treeView_AfterCheck;
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265 | treeView.ExpandAll();
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266 |
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267 | return first;
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268 | }
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269 |
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270 | private void BuildNode(UserGroupBase ug, TreeNode node) {
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271 |
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272 | if (newAssignedPermissions.Contains(ug)) {
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273 | node.Checked = true;
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274 | } else if (newInheritedPermissions.Contains(ug)) {
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275 | node.Checked = true;
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276 | node.ForeColor = SystemColors.GrayText;
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277 | }
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278 |
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279 | if (inheritedPermissions.Contains(ug) && newInheritedPermissions.Contains(ug)) {
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280 | node.Text += " [included]";
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281 | } else if (addedIncludes.Contains(ug)) {
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282 | node.BackColor = addedIncludeColor;
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283 | node.ForeColor = SystemColors.GrayText;
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284 | node.Text += " [added include]";
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285 | } else if (removedIncludes.Contains(ug)) {
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286 | node.BackColor = removedIncludeColor;
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287 | node.ForeColor = SystemColors.GrayText;
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288 | node.Text += " [removed include]";
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289 | }
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290 |
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291 | if (addedPermissions.Contains(ug)) {
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292 | node.BackColor = addedAssignmentColor;
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293 | node.ForeColor = SystemColors.ControlText;
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294 | node.Text += " [added assignment]";
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295 | } else if (removedPermissions.Contains(ug)) {
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296 | node.BackColor = removedAssignmentColor;
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297 | node.ForeColor = SystemColors.ControlText;
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298 | node.Text += " [removed assignment]";
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299 | }
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300 |
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301 | }
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302 |
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303 | #endregion
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304 | }
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305 | }
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