1 | <?php
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2 |
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3 | /* Manage installed modules */
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4 | class ModuleManager
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5 | {
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6 | public array $Modules; // Module
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7 | public System $System;
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8 | public string $FileName;
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9 | public string $ModulesDir;
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10 | public $OnLoadModules;
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11 | public $OnInstallModel;
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12 | public $OnUninstallModel;
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13 | public $OnInstallModule;
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14 | public $OnUninstallModule;
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15 | public $OnModuleChange;
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16 | private int $NewModuleId;
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17 |
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18 | function __construct(System $System)
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19 | {
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20 | $this->Modules = array();
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21 | $this->System = &$System;
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22 | $this->FileName = dirname(__FILE__).'/../../Config/ModulesConfig.php';
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23 | $this->ModulesDir = dirname(__FILE__).'/../../Modules';
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24 | $this->OnInstallModel = null;
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25 | $this->OnUninstallModel = null;
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26 | $this->OnInstallModule = null;
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27 | $this->OnUninstallModule = null;
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28 | $this->OnModuleChange = null;
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29 | $this->NewModuleId = 1;
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30 | }
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31 |
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32 | function Perform(array $Actions, array $Conditions = array(ModuleCondition::All)): void
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33 | {
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34 | $this->PerformList($this->Modules, $Actions, $Conditions);
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35 | }
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36 |
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37 | function PerformList(array $List, array $Actions, array $Conditions = array(ModuleCondition::All)): void
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38 | {
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39 | foreach ($List as $Module)
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40 | {
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41 | if (in_array(ModuleCondition::All, $Conditions) or
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42 | ($Module->Running and in_array(ModuleCondition::Running, $Conditions)) or
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43 | (!$Module->Running and in_array(ModuleCondition::NotRunning, $Conditions)) or
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44 | ($Module->Installed and in_array(ModuleCondition::Installed, $Conditions)) or
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45 | (!$Module->Installed and in_array(ModuleCondition::NotInstalled, $Conditions)) or
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46 | ($Module->Enabled and in_array(ModuleCondition::Enabled, $Conditions)) or
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47 | (!$Module->Enabled and in_array(ModuleCondition::NotEnabled, $Conditions)) or
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48 | (($Module->Type == ModuleType::System) and in_array(ModuleCondition::System, $Conditions)) or
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49 | (($Module->Type == ModuleType::Application) and in_array(ModuleCondition::Application, $Conditions)) or
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50 | (($Module->Type == ModuleType::Library) and in_array(ModuleCondition::Library, $Conditions)))
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51 | {
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52 | foreach ($Actions as $Action)
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53 | {
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54 | if ($Action == ModuleAction::Start) $Module->Start();
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55 | if ($Action == ModuleAction::Stop) $Module->Stop();
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56 | if ($Action == ModuleAction::Install) $Module->Install();
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57 | if ($Action == ModuleAction::Uninstall) $Module->Uninstall();
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58 | if ($Action == ModuleAction::Enable) $Module->Enable();
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59 | if ($Action == ModuleAction::Disable) $Module->Disable();
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60 | if ($Action == ModuleAction::Upgrade) $Module->Upgrade();
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61 | if ($Action == ModuleAction::InsertSampleData) $Module->InsertSampleData();
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62 | }
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63 | }
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64 | }
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65 | }
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66 |
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67 | function EnumDependenciesCascade(Module $Module, array &$List, array $Conditions = array(ModuleCondition::All))
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68 | {
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69 | foreach ($Module->Dependencies as $Dependency)
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70 | {
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71 | if (!array_key_exists($Dependency, $this->Modules))
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72 | throw new Exception(sprintf(T('Module "%s" dependency "%s" not found'), $Module->Name, $Dependency));
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73 | $DepModule = $this->Modules[$Dependency];
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74 | if (in_array(ModuleCondition::All, $Conditions) or
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75 | ($DepModule->Running and in_array(ModuleCondition::Running, $Conditions)) or
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76 | (!$DepModule->Running and in_array(ModuleCondition::NotRunning, $Conditions)) or
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77 | ($DepModule->Enabled and in_array(ModuleCondition::Enabled, $Conditions)) or
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78 | (!$DepModule->Enabled and in_array(ModuleCondition::NotEnabled, $Conditions)) or
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79 | ($DepModule->Installed and in_array(ModuleCondition::Installed, $Conditions)) or
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80 | (!$DepModule->Installed and in_array(ModuleCondition::NotInstalled, $Conditions)) or
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81 | (($DepModule->Type == ModuleType::System) and in_array(ModuleCondition::System, $Conditions)) or
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82 | (($DepModule->Type == ModuleType::Application) and in_array(ModuleCondition::Application, $Conditions)) or
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83 | (($DepModule->Type == ModuleType::Library) and in_array(ModuleCondition::Library, $Conditions)))
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84 | {
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85 | array_push($List, $DepModule);
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86 | $this->EnumDependenciesCascade($DepModule, $List, $Conditions);
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87 | }
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88 | }
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89 | }
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90 |
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91 | function EnumSuperiorDependenciesCascade(Module $Module, array &$List, array $Conditions = array(ModuleCondition::All))
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92 | {
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93 | foreach ($this->Modules as $RefModule)
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94 | {
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95 | if (in_array($Module->Name, $RefModule->Dependencies) and
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96 | (in_array(ModuleCondition::All, $Conditions) or
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97 | ($RefModule->Running and in_array(ModuleCondition::Running, $Conditions)) or
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98 | (!$RefModule->Running and in_array(ModuleCondition::NotRunning, $Conditions)) or
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99 | ($RefModule->Enabled and in_array(ModuleCondition::Enabled, $Conditions)) or
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100 | (!$RefModule->Enabled and in_array(ModuleCondition::NotEnabled, $Conditions)) or
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101 | ($RefModule->Installed and in_array(ModuleCondition::Installed, $Conditions)) or
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102 | (!$RefModule->Installed and in_array(ModuleCondition::NotInstalled, $Conditions)) or
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103 | (($RefModule->Type == ModuleType::System) and in_array(ModuleCondition::System, $Conditions)) or
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104 | (($RefModule->Type == ModuleType::Application) and in_array(ModuleCondition::Application, $Conditions)) or
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105 | (($RefModule->Type == ModuleType::Library) and in_array(ModuleCondition::Library, $Conditions))))
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106 | {
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107 | array_push($List, $RefModule);
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108 | $this->EnumSuperiorDependenciesCascade($RefModule, $List, $Conditions);
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109 | }
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110 | }
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111 | }
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112 |
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113 | function StartAll(array $Conditions = array(ModuleCondition::All)): void
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114 | {
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115 | $this->Perform(array(ModuleAction::Start), $Conditions);
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116 | }
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117 |
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118 | function StopAll(array $Conditions = array(ModuleCondition::All)): void
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119 | {
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120 | $this->Perform(array(ModuleAction::Stop), $Conditions);
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121 | }
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122 |
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123 | function InstallAll(array $Conditions = array(ModuleCondition::All)): void
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124 | {
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125 | $this->Perform(array(ModuleAction::Install), $Conditions);
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126 | $this->SaveState();
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127 | }
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128 |
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129 | function UninstallAll(array $Conditions = array(ModuleCondition::All)): void
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130 | {
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131 | $this->Perform(array(ModuleAction::Uninstall), $Conditions);
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132 | $this->SaveState();
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133 | }
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134 |
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135 | function EnableAll(array $Conditions = array(ModuleCondition::All)): void
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136 | {
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137 | $this->Perform(array(ModuleAction::Enable), $Conditions);
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138 | $this->SaveState();
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139 | }
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140 |
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141 | function DisableAll(array $Conditions = array(ModuleCondition::All)): void
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142 | {
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143 | $this->Perform(array(ModuleAction::Disable), $Conditions);
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144 | $this->SaveState();
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145 | }
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146 |
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147 | function UpgradeAll(array $Conditions = array(ModuleCondition::All)): void
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148 | {
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149 | $this->Perform(array(ModuleAction::Upgrade), $Conditions);
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150 | $this->SaveState();
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151 | }
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152 |
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153 | function ModulePresent(string $Name): bool
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154 | {
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155 | return array_key_exists($Name, $this->Modules);
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156 | }
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157 |
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158 | function ModuleEnabled(string $Name): bool
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159 | {
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160 | return array_key_exists($Name, $this->Modules) and $this->Modules[$Name]->Enabled;
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161 | }
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162 |
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163 | function ModuleRunning(string $Name): bool
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164 | {
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165 | return array_key_exists($Name, $this->Modules) and $this->Modules[$Name]->Running;
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166 | }
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167 |
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168 | function GetModule(string $Name): Module
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169 | {
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170 | return $this->Modules[$Name];
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171 | }
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172 |
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173 | function SearchModuleById(int $Id): string
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174 | {
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175 | foreach ($this->Modules as $Module)
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176 | {
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177 | if ($Module->Id == $Id) return $Module->Name;
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178 | }
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179 | return '';
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180 | }
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181 |
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182 | function LoadState(): void
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183 | {
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184 | $ConfigModules = array();
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185 | include $this->FileName;
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186 | foreach ($ConfigModules as $Mod)
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187 | {
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188 | $ModuleName = $Mod['Name'];
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189 | if (array_key_exists($ModuleName, $this->Modules))
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190 | {
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191 | if (array_key_exists('Id', $Mod))
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192 | {
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193 | $this->Modules[$ModuleName]->Id = $Mod['Id'];
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194 | }
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195 | if (array_key_exists('Enabled', $Mod))
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196 | {
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197 | $this->Modules[$ModuleName]->Enabled = $Mod['Enabled'];
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198 | }
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199 | if (array_key_exists('Installed', $Mod))
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200 | {
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201 | $this->Modules[$ModuleName]->Installed = $Mod['Installed'];
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202 | }
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203 | if (array_key_exists('InstalledVersion', $Mod))
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204 | {
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205 | $this->Modules[$ModuleName]->InstalledVersion = $Mod['InstalledVersion'];
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206 | }
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207 | }
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208 | }
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209 | }
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210 |
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211 | function SaveState(): void
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212 | {
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213 | $Data = array();
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214 | foreach ($this->Modules as $Module)
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215 | {
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216 | $Data[] = array(
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217 | 'Id' => $Module->Id,
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218 | 'Name' => $Module->Name,
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219 | 'Enabled' => $Module->Enabled,
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220 | 'InstalledVersion' => $Module->InstalledVersion,
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221 | 'Installed' => $Module->Installed
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222 | );
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223 | }
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224 | if (file_put_contents($this->FileName, "<?php \n\n\$ConfigModules = ".var_export($Data, true).";\n") === FALSE)
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225 | {
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226 | echo($this->FileName.' is not writeable.');
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227 | }
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228 | }
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229 |
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230 | function RegisterModule(Module $Module): void
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231 | {
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232 | if (array_key_exists($Module->Name, $this->Modules))
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233 | die('Can\'t register module '.$Module->Name.' because it already exists.');
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234 | $this->Modules[$Module->Name] = &$Module;
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235 | $Module->Manager = &$this;
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236 | $Module->OnChange = &$this->OnModuleChange;
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237 | }
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238 |
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239 | function UnregisterModule(Module $Module): void
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240 | {
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241 | unset($this->Modules[array_search($Module, $this->Modules)]);
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242 | }
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243 |
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244 | function GetUniqueModuleId()
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245 | {
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246 | $this->NewModuleId++;
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247 | return $this->NewModuleId - 1;
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248 | }
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249 |
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250 | function LoadModule(string $FileName): Module
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251 | {
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252 | $ClassName = pathinfo($FileName, PATHINFO_FILENAME);
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253 | if (!array_key_exists($ClassName::GetName(), $this->Modules))
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254 | {
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255 | $Module = new $ClassName($this->System);
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256 | $Module->Id = $this->GetUniqueModuleId();
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257 | $this->RegisterModule($Module);
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258 | return $Module;
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259 | } else
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260 | {
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261 | $Module = $this->Modules[$ClassName::GetName()];
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262 | return $Module;
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263 | }
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264 | }
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265 |
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266 | function LoadModulesFromDir(string $Directory): void
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267 | {
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268 | $FileNames = array();
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269 | $List = scandir($Directory);
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270 | foreach ($List as $Item)
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271 | {
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272 | if (is_dir($Directory.'/'.$Item) and ($Item != '.') and ($Item != '..') and ($Item != '.svn'))
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273 | {
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274 | $FileName = $Directory.'/'.$Item.'/Module'.$Item.'.php';
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275 | $FileNames[] = $FileName;
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276 | include_once($FileName);
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277 | }
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278 | }
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279 | foreach ($FileNames as $FileName)
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280 | {
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281 | $this->LoadModule($FileName);
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282 | }
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283 | }
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284 |
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285 | function LoadModules(): void
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286 | {
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287 | if (is_array($this->OnLoadModules) and (count($this->OnLoadModules) == 2) and method_exists($this->OnLoadModules[0], $this->OnLoadModules[1]))
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288 | call_user_func($this->OnLoadModules);
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289 | else $this->LoadModulesFromDir($this->ModulesDir);
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290 | }
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291 | }
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