acumulusConfig = $acumulusConfig; } /** * Activates the plugin. * * Note that on installing a plugin (copying the files) nothing else happens. * Only on activating, a plugin can do its initial work. * * @return bool * Success. */ public function activate() { if (!current_user_can('activate_plugins')) { return FALSE; } $plugin = isset($_REQUEST['plugin']) ? $_REQUEST['plugin'] : ''; check_admin_referer("activate-plugin_{$plugin}"); // Setup. if ($this->checkRequirements()) { // Install. $model = new AcumulusEntryModel(); return $model->install(); } return FALSE; } /** * Upgrades the plugin. * * @param string $oldVersion * @param string $newVersion * * @return bool * Success. */ public function upgrade($oldVersion, $newVersion) { // Upgrade data, settings, etc. // No need to check: harmless and even obligatory upgrade only. // if (!current_user_can('update_plugins')) { // return FALSE; // } return $this->acumulusConfig->upgrade($newVersion, $oldVersion); } /** * Deactivates the plugin. * * @return bool * Success. */ public function deactivate() { if (!current_user_can('activate_plugins')) { return FALSE; } $plugin = isset($_REQUEST['plugin']) ? $_REQUEST['plugin'] : ''; check_admin_referer("deactivate-plugin_{$plugin}"); // Deactivate. // None so far. return TRUE; } /** * Uninstalls the plugin. * * @return bool * Success. */ public function uninstall() { if (!current_user_can('activate_plugins')) { return FALSE; } check_admin_referer('bulk-plugins'); // Uninstall. delete_option('acumulus'); $model = new AcumulusEntryModel(); return $model->uninstall(); } /** * Checks the requirements for this module (CURL, DOMXML, ...). * * @return bool * Success. */ public function checkRequirements() { $requirements = new Requirements(); $this->messages = $requirements->check(); if (!empty($this->messages)) { add_action('admin_notices', array($this, 'adminNotice')); } return empty($this->messages); } /** * Action hook that adds administrator notices to the admin screen. */ public function adminNotice() { foreach ($this->messages as $message) { echo '

' . $message . '

'; } } }