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<?php
/**
* @copyright Copyright (C) 2005 - 2014 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
// No direct access.
defined('_JEXEC') or die;
jimport('joomla.application.component.modeladmin');
/**
* Weblinks model.
*
* @package Joomla.Administrator
* @subpackage com_weblinks
* @since 1.5
*/
class WeblinksModelWeblink extends JModelAdmin
{
/**
* @var string The prefix to use with controller messages.
* @since 1.6
*/
protected $text_prefix = 'COM_WEBLINKS';
/**
* Method to test whether a record can be deleted.
*
* @param object A record object.
* @return boolean True if allowed to delete the record. Defaults to the permission set in the component.
* @since 1.6
*/
protected function canDelete($record)
{
if (!empty($record->id)) {
if ($record->state != -2) {
return ;
}
$user = JFactory::getUser();
if ($record->catid) {
return $user->authorise('core.delete', 'com_weblinks.category.'.(int) $record->catid);
}
else {
return parent::canDelete($record);
}
}
}
/**
* Method to test whether a record can have its state changed.
*
* @param object A record object.
* @return boolean True if allowed to change the state of the record. Defaults to the permission set in the component.
* @since 1.6
*/
protected function canEditState($record)
{
$user = JFactory::getUser();
if (!empty($record->catid)) {
return $user->authorise('core.edit.state', 'com_weblinks.category.'.(int) $record->catid);
}
else {
return parent::canEditState($record);
}
}
/**
* Returns a reference to the a Table object, always creating it.
*
* @param type The table type to instantiate
* @param string A prefix for the table class name. Optional.
* @param array Configuration array for model. Optional.
* @return JTable A database object
* @since 1.6
*/
public function getTable($type = 'Weblink', $prefix = 'WeblinksTable', $config = array())
{
return JTable::getInstance($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_weblinks.weblink', 'weblink', array('control' => 'jform', 'load_data' => $loadData));
if (empty($form)) {
return false;
}
// Determine correct permissions to check.
if ($this->getState('weblink.id')) {
// Existing record. Can only edit in selected categories.
$form->setFieldAttribute('catid', 'action', 'core.edit');
} else {
// New record. Can only create in selected categories.
$form->setFieldAttribute('catid', 'action', 'core.create');
}
// Modify the form based on access controls.
if (!$this->canEditState((object) $data)) {
// Disable fields for display.
$form->setFieldAttribute('ordering', 'disabled', 'true');
$form->setFieldAttribute('state', 'disabled', 'true');
$form->setFieldAttribute('publish_up', 'disabled', 'true');
$form->setFieldAttribute('publish_down', 'disabled', 'true');
// Disable fields while saving.
// The controller has already verified this is a record you can edit.
$form->setFieldAttribute('ordering', 'filter', 'unset');
$form->setFieldAttribute('state', 'filter', 'unset');
$form->setFieldAttribute('publish_up', 'filter', 'unset');
$form->setFieldAttribute('publish_down', '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.
$data = JFactory::getApplication()->getUserState('com_weblinks.edit.weblink.data', array());
if (empty($data)) {
$data = $this->getItem();
// Prime some default values.
if ($this->getState('weblink.id') == 0) {
$app = JFactory::getApplication();
$data->set('catid', JRequest::getInt('catid', $app->getUserState('com_weblinks.weblinks.filter.category_id')));
}
}
return $data;
}
/**
* Method to get a single record.
*
* @param integer The id of the primary key.
*
* @return mixed Object on success, false on failure.
* @since 1.6
*/
public function getItem($pk = null)
{
if ($item = parent::getItem($pk)) {
// Convert the params field to an array.
$registry = new JRegistry;
$registry->loadString($item->metadata);
$item->metadata = $registry->toArray();
}
return $item;
}
/**
* Prepare and sanitise the table prior to saving.
*
* @since 1.6
*/
protected function prepareTable(&$table)
{
$date = JFactory::getDate();
$user = JFactory::getUser();
$table->title = htmlspecialchars_decode($table->title, ENT_QUOTES);
$table->alias = JApplication::stringURLSafe($table->alias);
if (empty($table->alias)) {
$table->alias = JApplication::stringURLSafe($table->title);
}
if (empty($table->id)) {
// Set the values
// Set ordering to the last item if not set
if (empty($table->ordering)) {
$db = JFactory::getDbo();
$db->setQuery('SELECT MAX(ordering) FROM #__weblinks');
$max = $db->loadResult();
$table->ordering = $max+1;
}
}
else {
// Set the values
}
}
/**
* A protected method to get a set of ordering conditions.
*
* @param object A record object.
* @return array An array of conditions to add to add to ordering queries.
* @since 1.6
*/
protected function getReorderConditions($table)
{
$condition = array();
$condition[] = 'catid = '.(int) $table->catid;
return $condition;
}
}