plugins/generic/customBlockManager/CustomBlockManagerPlugin.inc.php

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<?php
import('classes.plugins.GenericPlugin');

class CustomBlockManagerPlugin extends GenericPlugin {

   function getName() {
      return 'CustomBlockManagerPlugin';
   }

   function getDisplayName() {
      return __('plugins.generic.customBlockManager.displayName');
   }

   function getDescription() {
      return __('plugins.generic.customBlockManager.description');
   }   

   function register($category, $path) {
      if (!Config::getVar('general', 'installed')) return false;
      if (parent::register($category, $path)) { 
         if ( $this->getEnabled() ) {
            HookRegistry::register('PluginRegistry::loadCategory', array(&$this, 'callbackLoadCategory'));           
         }
         $this->addLocaleData();
         return true;
      }
      return false;
   }
   
   function callbackLoadCategory($hookName, $args) {
      $category =& $args[0];
      $plugins =& $args[1];
      switch ($category) {
         case 'blocks':
            $this->import('CustomBlockPlugin');
            
            $conference =& Request::getConference();
            if ( !$conference ) return false;
            
            $blocks = $this->getSetting($conference->getId(), 0, 'blocks');
            if ( !is_array($blocks) ) break;
            $i= 0;
            foreach ( $blocks as $block ) {
               $blockPlugin = new CustomBlockPlugin($block);
               
               //default the block to being enabled
               if ( $blockPlugin->getEnabled() !== false) {
                  $blockPlugin->setEnabled(true);
               }
               //default the block to the right sidebar
               if ( !is_numeric($blockPlugin->getBlockContext())) {
                  $blockPlugin->setBlockContext(BLOCK_CONTEXT_RIGHT_SIDEBAR);
               }
               $plugins[$blockPlugin->getSeq()][$blockPlugin->getPluginPath() . $i] =& $blockPlugin;
               
               $i++;
               unset($blockPlugin);
            }
            break;
      }
      return false;
   }  

   function getEnabled() {
      $conference =& Request::getConference();
      $conferenceId = $conference?$conference->getId():0;
      return $this->getSetting($conferenceId, 0, 'enabled');
   }

   function setEnabled($enabled) {
      $conference =& Request::getConference();
      $conferenceId = $conference?$conference->getId():0;
      $this->updateSetting($conferenceId, 0, 'enabled', $enabled);
   }

   function getManagementVerbs() {
      $verbs = array();
      if ($this->getEnabled()) {
         $verbs[] = array(
            'disable',
            __('manager.plugins.disable')
         );
         $verbs[] = array(
            'settings',
            __('plugins.generic.customBlockManager.settings')
         );       
      } else {
         $verbs[] = array(
            'enable',
            __('manager.plugins.enable')
         );
      }
      return $verbs;
   }

   function manage($verb, $args) {
      $returner = true;

      $templateMgr =& TemplateManager::getManager();
      $templateMgr->register_function('plugin_url', array(&$this, 'smartyPluginUrl'));

      $pageCrumbs = array(
         array(
            Request::url(null, null, 'user'),
            'navigation.user'
         ),
         array(
            Request::url(null, null, 'manager'),
            'user.role.manager'
         )
      );
      
      $conference =& Request::getConference();
      
      switch ($verb) {
         case 'enable':
            $this->setEnabled(true);
            break;
         case 'disable':
            $this->setEnabled(false);
            break;
         case 'settings':
            $pageCrumbs[] = array(
               Request::url(null, null, 'manager', 'plugins'),
               __('manager.plugins'),
               true
            );
            $templateMgr->assign('pageHierarchy', $pageCrumbs);

            $this->import('SettingsForm');
            $form = new SettingsForm($this, $conference->getId());
            $form->readInputData();
            
            if (Request::getUserVar('addBlock')) {
               // Add a block
               $editData = true;
               //$blocks = is_null($form->getData('blocks'))?array():$form->getData('blocks');
               $blocks = $form->getData('blocks');
               array_push($blocks, '');
               $form->_data['blocks'] = $blocks;

            } else if (($delBlock = Request::getUserVar('delBlock')) && count($delBlock) == 1) {
               // Delete an block
               $editData = true;
               list($delBlock) = array_keys($delBlock);
               $delBlock = (int) $delBlock;
               $blocks = $form->getData('blocks');
               if (isset($blocks[$delBlock]) && !empty($blocks[$delBlock])) {
                  $deletedBlocks = explode(':', $form->getData('deletedBlocks'));
                  array_push($deletedBlocks, $blocks[$delBlock]);
                  $form->setData('deletedBlocks', join(':', $deletedBlocks));
               }
               array_splice($blocks, $delBlock, 1);
               $form->_data['blocks'] = $blocks;
            } else if ( Request::getUserVar('save') ) {
               $editData = true;
               $form->execute();
            } else {
               $form->initData();
            }

            if ( !isset($editData) && $form->validate()) {
               $form->execute();
               $form->display();
               exit;
            } else {
               $form->display();
               exit;
            }
            $returner = true;
            break;
         }
         $returner = false;            
   }
}

?>

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