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Current File : /var/www/web032/htdocs/cms/administrator/components/com_rialto/models/label.php
<?php
/**
 *
 * Rialto - Classified Ads for Joomla!
 *
 * @Version       $Id: label.php 2182 2016-01-09 13:20:38Z geoffc $
 * @Package       Rialto
 * @Subpackage    com_rialto
 * @Release       1.1.1
 * @Copyright     Copyright (C) 2015-2016 Macrotone Consulting Ltd. All rights reserved.
 * @License       GNU General Public License version 3 or later; see LICENSE.txt
 * @Contact       support@macrotoneconsulting.co.uk
 * @Lastrevision  $Date: 2016-01-09 13:20:38 +0000 (Sat, 09 Jan 2016) $
 *
*/


// no direct access
defined('_JEXEC') or die('Restricted access');

jimport('joomla.application.component.modeladmin');

JTable::addIncludePath(JPATH_COMPONENT.DS.'tables');

/**
 * Class RialtoModelLabel
 */
class RialtoModelLabel extends JModelAdmin {

   /**
    * @var     string   The prefix to use with controller messages.
    * @since   1.6
    */
   protected $text_prefix = 'COM_RIALTO';

    /**
     * Returns a reference to the a Table object, always creating it.
     *
     * @param string $type The type
     * @param string $prefix A prefix for the table class name. Optional.
     * @param array $config Configuration array for model. Optional.
     * @internal param \The $type table type to instantiate
     * @return  JTable   A database object
     * @since   1.6
     */
   public function getTable($type = 'RialtoLabel', $prefix = 'Table', $config = array())
   {
      return JTable::getInstance($type, $prefix, $config);
   }

   /**
    * Method to get the record form.
    *
    * @param   array $data    An optional array of data for the form to interogate.
    * @param   boolean  $loadData   True if the form is to load its own data (default case), false if not.
    * @return  JForm A JForm object on success, false on failure
    * @since   1.6
    */
   public function getForm($data = array(), $loadData = true)
   {
      // Initialise variables.
      // $app  = JFactory::getApplication();

      // Get the form.
      $form = $this->loadForm('com_rialto.label', 'label', array('control' => 'jform', 'load_data' => $loadData));
      if (empty($form)) {
         return false;
      }

      // Prevent messing with label language when editing existing label with associations
      $app = JFactory::getApplication();
      $assoc = JLanguageAssociations::isEnabled();

      if ($app->isSite() && $assoc && $this->getState('label.id')) {
         $form->setFieldAttribute('language', 'readonly', 'true');
         // $form->setFieldAttribute('catid', 'readonly', 'true');
         $form->setFieldAttribute('language', 'filter', 'unset');
         // $form->setFieldAttribute('catid', 'filter', 'unset');
      }
      return $form;
   }

   /**
    * Method to get the data that should be injected in the form.
    *
    * @return  mixed The data for the form.
    * @since   1.6
    */
   protected function loadFormData()
   {
      // Check the session for previously entered form data.
      $data = JFactory::getApplication()->getUserState('com_rialto.edit.label.data', array());

      if (empty($data)) {
         $data = $this->getItem();
      }

      return $data;
   }

   /**
    * Method to get a single record.
    *
    * @param   integer  $pk The id of the primary key.
    *
    * @return  mixed Object on success, false on failure.
    * @since   1.6
    */
   public function getItem($pk = null)
   {
      if ($item = parent::getItem($pk)) {
         // Load associated content items
         // $app = JFactory::getApplication();
         $assoc = JLanguageAssociations::isEnabled();

         if ($assoc) {
            $item->associations = array();

            if ($item->id != null) {
               // Our table does not have an alias or a category id so must specify null
               $associations = JLanguageAssociations::getAssociations('com_rialto', '#__rialto_labels', 'com_rialto.label', $item->id, 'id', null, null);

               foreach ($associations as $tag => $association) {
                  $item->associations[$tag] = $association->id;
               }
            }
         }

         //Do any more processing on fields here if needed
      }

      return $item;
   }

   /**
    * Prepare and sanitise the table prior to saving.
    *
    * @since   1.6
    * @param JTable $table
    */
   protected function prepareTable($table)
   {
      JLoader::import('joomla.filter.output');

      if (empty($table->id)) {

         // Set ordering to the last item if not set
         if (@$table->ordering === '') {
            $db = JFactory::getDbo();
            $db->setQuery('SELECT MAX(ordering) FROM #__rialto_labels');
            $max = $db->loadResult();
            $table->ordering = $max+1;
         }

      }
   }


   /**
    * Method to save the form data.
    *
    * @param   array  $data The form data.
    *
    * @return  boolean  True on success.
    * @since   1.6
    */
   public function save($data)
   {
      // $app = JFactory::getApplication();

      if (parent::save($data)) {

         $assoc = JLanguageAssociations::isEnabled();
         if ($assoc) {
            $id = (int) $this->getState($this->getName() . '.id');
            $item = $this->getItem($id);

            // Adding self to the association
            $associations = $data['associations'];

            foreach ($associations as $tag => $id) {
               if (empty($id)) {
                  unset($associations[$tag]);
               }
            }

            // Detecting all item menus
            $all_language = $item->language == '*';

            if ($all_language && !empty($associations)) {
               JError::raiseNotice(403, JText::_('COM_RIALTO_ERROR_ALL_LANGUAGE_ASSOCIATED'));
            }

            $associations[$item->language] = $item->id;

            // Deleting old association for these items
            $db = JFactory::getDbo();
            $query = $db->getQuery(true)
               ->delete('#__associations')
               ->where('context=' . $db->quote('com_rialto.label'))
               ->where('id IN (' . implode(',', $associations) . ')');
            $db->setQuery($query);
            $db->execute();

            if ($error = $db->getErrorMsg()) {
               $this->setError($error);
               return false;
            }

            if (!$all_language && count($associations)) {
               // Adding new association for these items
               $key = md5(json_encode($associations));
               $query->clear()
                  ->insert('#__associations');

               foreach ($associations as $id) {
                  $query->values($id . ',' . $db->quote('com_rialto.label') . ',' . $db->quote($key));
               }

               $db->setQuery($query);
               $db->execute();

               if ($error = $db->getErrorMsg()) {
                  $this->setError($error);
                  return false;
               }
            }
         }
         return true;
      }
      return false;
   }

   /**
    * Method to delete one or more records.
    *
    * @param   array  &$pks  An array of record primary keys.
    *
    * @return  boolean  True if successful, false if an error occurs.
    *
    * @since   11.1
    */
   public function delete(&$pks)
   {
      $pks = (array) $pks;
      $db   = JFactory::getDbo();
      $app  = JFactory::getApplication();
      $row = $this->getTable('RialtoLabel','Table');

      // Iterate over the items to delete each one.
      foreach ($pks as $pk) {
         // Ensure that the label is not in use upon an entry. If it is do not remove it.
         $query = $db->getQuery(true)
            ->select('count(*)')
            ->from('#__rialto_entries')
            ->where('label_id = ' . $db->quote($pk));
         $db->setQuery($query);
         $recs = $db->loadResult();
         if ( $recs > 0 ) {
            $app->enqueueMessage(JText::sprintf('COM_RIALTO_LABEL_IS_USE_MSG', $pk));
            return false;
         }

         // Remove any associations that may exist.
         $assoc = JLanguageAssociations::isEnabled();
         if ($assoc) {
            $item = $this->getItem($pk);
            $associations = $item->associations;

            foreach ($associations as $tag => $ii) {
               if (empty($ii)) {
                  unset($associations[$tag]);
               }
            }

            // Detecting all item menus
            $all_language = $item->language == '*';

            if ($all_language && !empty($associations)) {
               JError::raiseNotice(403, JText::_('COM_RIALTO_ERROR_ALL_LANGUAGE_ASSOCIATED'));
            }

            $associations[$item->language] = $item->id;
            $cnt = count($associations);
            if ( $cnt > 2 || $cnt == 1 ) {
               // Only delete association for current item. $cnt $pk
               $query = $db->getQuery(true)
                  ->delete('#__associations')
                  ->where('context=' . $db->quote('com_rialto.label'))
                  ->where('id = '.$pk);
            } else {
               // Delete both (all) associations for these items
               $query = $db->getQuery(true)
                  ->delete('#__associations')
                  ->where('context=' . $db->quote('com_rialto.label'))
                  ->where('id IN (' . implode(',', $associations) . ')');
            }

            $db->setQuery($query);
            $db->execute();

            if ($error = $db->getErrorMsg()) {
               $this->setError($error);
               return false;
            }
         }

         if (!$row->delete( $pk )) {
            $this->setError( $row->getErrorMsg() );
            return false;
         }
      }
      return true;
   }

   /**
    * @param array $data
    * @param string $key
    * @return mixed
    */
   protected function allowEdit($data = array(), $key = 'id')
   {
      // Check specific edit permission then general edit permission.
      return parent::allowEdit($data, $key);
   }

   /**
    * Auto-populate the model state.
    *
    * Note. Calling getState in this method will result in recursion.
    *
    * @param JForm  $form
    * @param mixed  $data
    * @param string $group
    * @since    3.0
    */
   protected function preprocessForm(JForm $form, $data, $group = 'rialto')
   {
      // Association rialto items
      // $app = JFactory::getApplication();
      $assoc = JLanguageAssociations::isEnabled();
      if ($assoc) {
         $languages = JLanguageHelper::getLanguages('lang_code');

         // force to array (perhaps move to $this->loadFormData())
         $data = (array) $data;

         $addform = new SimpleXMLElement('<form />');
         $fields = $addform->addChild('fields');
         $fields->addAttribute('name', 'associations');
         $fieldset = $fields->addChild('fieldset');
         $fieldset->addAttribute('name', 'item_associations');
         $fieldset->addAttribute('description', 'COM_RIALTO_ITEM_ASSOCIATIONS_FIELDSET_DESC');
         $add = false;
         foreach ($languages as $tag => $language) {
            if (empty($data['language']) || $tag != $data['language']) {
               $add = true;
               $field = $fieldset->addChild('field');
               $field->addAttribute('name', $tag);
               $field->addAttribute('type', 'modal_label');
               $field->addAttribute('language', $tag);
               $field->addAttribute('label', $language->title);
               $field->addAttribute('translate_label', 'false');
               $field->addAttribute('edit', 'true');
               $field->addAttribute('clear', 'true');
            }
         }
         if ($add) {
            $form->load($addform, false);
         }
      }

      parent::preprocessForm($form, $data, $group);
   }
}

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