459 lines
11 KiB
PHP
459 lines
11 KiB
PHP
<?php
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/**
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* @package Joomla.Administrator
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* @subpackage Weblinks
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*
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* @copyright Copyright (C) 2005 - 2017 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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defined('_JEXEC') or die;
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use Joomla\Registry\Registry;
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JLoader::register('WeblinksHelper', JPATH_ADMINISTRATOR . '/components/com_weblinks/helpers/weblinks.php');
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/**
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* Weblinks model.
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*
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* @since 1.5
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*/
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class WeblinksModelWeblink extends JModelAdmin
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{
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/**
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* The type alias for this content type.
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*
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* @var string
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* @since 3.2
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*/
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public $typeAlias = 'com_weblinks.weblink';
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/**
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* The context used for the associations table
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*
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* @var string
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* @since __DEPLOY_VERSION__
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*/
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protected $associationsContext = 'com_weblinks.item';
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/**
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* The prefix to use with controller messages.
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*
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* @var string
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* @since 1.6
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*/
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protected $text_prefix = 'COM_WEBLINKS';
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/**
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* Method to test whether a record can be deleted.
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*
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* @param object $record A record object.
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*
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* @return boolean True if allowed to delete the record. Defaults to the permission for the component.
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*
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* @since 1.6
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*/
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protected function canDelete($record)
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{
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if (!empty($record->id))
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{
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if ($record->state != -2)
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{
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return;
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}
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if ($record->catid)
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{
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return JFactory::getUser()->authorise('core.delete', 'com_weblinks.category.' . (int) $record->catid);
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}
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return parent::canDelete($record);
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}
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}
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/**
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* Method to test whether a record can be deleted.
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*
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* @param object $record A record object.
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*
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* @return boolean True if allowed to change the state of the record. Defaults to the permission for the component.
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*
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* @since 1.6
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*/
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protected function canEditState($record)
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{
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if (!empty($record->catid))
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{
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return JFactory::getUser()->authorise('core.edit.state', 'com_weblinks.category.' . (int) $record->catid);
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}
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return parent::canEditState($record);
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}
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/**
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* Method to get a table object, load it if necessary.
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*
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* @param string $type The table name. Optional.
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* @param string $prefix The class prefix. Optional.
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* @param array $config Configuration array for model. Optional.
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*
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* @return JTable A JTable object
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*
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* @since 1.6
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*/
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public function getTable($type = 'Weblink', $prefix = 'WeblinksTable', $config = array())
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{
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return JTable::getInstance($type, $prefix, $config);
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}
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/**
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* Abstract method for getting the form from the model.
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*
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* @param array $data Data for the form.
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* @param boolean $loadData True if the form is to load its own data (default case), false if not.
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*
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* @return mixed A JForm object on success, false on failure
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*
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* @since 1.6
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*/
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public function getForm($data = array(), $loadData = true)
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{
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// Get the form.
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$form = $this->loadForm('com_weblinks.weblink', 'weblink', array('control' => 'jform', 'load_data' => $loadData));
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if (empty($form))
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{
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return false;
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}
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// Determine correct permissions to check.
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if ($this->getState('weblink.id'))
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{
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// Existing record. Can only edit in selected categories.
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$form->setFieldAttribute('catid', 'action', 'core.edit');
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}
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else
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{
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// New record. Can only create in selected categories.
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$form->setFieldAttribute('catid', 'action', 'core.create');
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}
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// Modify the form based on access controls.
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if (!$this->canEditState((object) $data))
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{
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// Disable fields for display.
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$form->setFieldAttribute('ordering', 'disabled', 'true');
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$form->setFieldAttribute('state', 'disabled', 'true');
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$form->setFieldAttribute('publish_up', 'disabled', 'true');
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$form->setFieldAttribute('publish_down', 'disabled', 'true');
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// Disable fields while saving.
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// The controller has already verified this is a record you can edit.
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$form->setFieldAttribute('ordering', 'filter', 'unset');
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$form->setFieldAttribute('state', 'filter', 'unset');
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$form->setFieldAttribute('publish_up', 'filter', 'unset');
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$form->setFieldAttribute('publish_down', 'filter', 'unset');
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}
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// Don't allow to change the created_by user if not allowed to access com_users.
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if (!JFactory::getUser()->authorise('core.manage', 'com_users'))
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{
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$form->setFieldAttribute('created_by', 'filter', 'unset');
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}
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return $form;
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}
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/**
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* Method to get the data that should be injected in the form.
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*
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* @return array The default data is an empty array.
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*
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* @since 1.6
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*/
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protected function loadFormData()
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{
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// Check the session for previously entered form data.
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$data = JFactory::getApplication()->getUserState('com_weblinks.edit.weblink.data', array());
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if (empty($data))
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{
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$data = $this->getItem();
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// Prime some default values.
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if ($this->getState('weblink.id') == 0)
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{
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$app = JFactory::getApplication();
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$data->set('catid', $app->input->get('catid', $app->getUserState('com_weblinks.weblinks.filter.category_id'), 'int'));
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}
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}
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$this->preprocessData('com_weblinks.weblink', $data);
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return $data;
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}
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/**
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* Method to get a single record.
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*
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* @param integer $pk The id of the primary key.
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*
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* @return mixed Object on success, false on failure.
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*
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* @since 1.6
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*/
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public function getItem($pk = null)
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{
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if ($item = parent::getItem($pk))
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{
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// Convert the metadata field to an array.
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$registry = new Registry;
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$registry->loadString($item->metadata);
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$item->metadata = $registry->toArray();
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// Convert the images field to an array.
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$registry = new Registry;
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$registry->loadString($item->images);
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$item->images = $registry->toArray();
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// Load associated web links items
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$assoc = JLanguageAssociations::isEnabled();
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if ($assoc)
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{
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$item->associations = array();
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if ($item->id != null)
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{
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$associations = JLanguageAssociations::getAssociations('com_weblinks', '#__weblinks', 'com_weblinks.item', $item->id);
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foreach ($associations as $tag => $association)
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{
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$item->associations[$tag] = $association->id;
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}
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}
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}
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if (!empty($item->id))
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{
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$item->tags = new JHelperTags;
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$item->tags->getTagIds($item->id, 'com_weblinks.weblink');
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$item->metadata['tags'] = $item->tags;
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}
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}
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return $item;
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}
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/**
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* Prepare and sanitise the table data prior to saving.
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*
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* @param JTable $table A reference to a JTable object.
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*
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* @return void
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*
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* @since 1.6
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*/
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protected function prepareTable($table)
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{
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$date = JFactory::getDate();
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$user = JFactory::getUser();
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$table->title = htmlspecialchars_decode($table->title, ENT_QUOTES);
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$table->alias = JApplicationHelper::stringURLSafe($table->alias);
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if (empty($table->alias))
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{
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$table->alias = JApplicationHelper::stringURLSafe($table->title);
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}
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if (empty($table->id))
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{
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// Set the values
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// Set ordering to the last item if not set
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if (empty($table->ordering))
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{
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$db = $this->getDbo();
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$query = $db->getQuery(true)
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->select('MAX(ordering)')
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->from($db->quoteName('#__weblinks'));
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$db->setQuery($query);
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$max = $db->loadResult();
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$table->ordering = $max + 1;
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}
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else
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{
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// Set the values
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$table->modified = $date->toSql();
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$table->modified_by = $user->id;
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}
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}
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// Increment the weblink version number.
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$table->version++;
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}
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/**
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* A protected method to get a set of ordering conditions.
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*
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* @param JTable $table A JTable object.
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*
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* @return array An array of conditions to add to ordering queries.
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*
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* @since 1.6
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*/
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protected function getReorderConditions($table)
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{
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$condition = array();
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$condition[] = 'catid = ' . (int) $table->catid;
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return $condition;
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}
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/**
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* Method to save the form data.
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*
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* @param array $data The form data.
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*
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* @return boolean True on success.
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*
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* @since 3.1
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*/
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public function save($data)
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{
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$app = JFactory::getApplication();
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JLoader::register('CategoriesHelper', JPATH_ADMINISTRATOR . '/components/com_categories/helpers/categories.php');
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// Cast catid to integer for comparison
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$catid = (int) $data['catid'];
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// Check if New Category exists
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if ($catid > 0)
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{
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$catid = CategoriesHelper::validateCategoryId($data['catid'], 'com_weblinks');
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}
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// Save New Category
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if ($catid == 0 && $this->canCreateCategory())
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{
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$table = array();
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$table['title'] = $data['catid'];
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$table['parent_id'] = 1;
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$table['extension'] = 'com_weblinks';
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$table['language'] = $data['language'];
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$table['published'] = 1;
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// Create new category and get catid back
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$data['catid'] = CategoriesHelper::createCategory($table);
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}
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// Alter the title for save as copy
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if ($app->input->get('task') == 'save2copy')
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{
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list($name, $alias) = $this->generateNewTitle($data['catid'], $data['alias'], $data['title']);
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$data['title'] = $name;
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$data['alias'] = $alias;
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$data['state'] = 0;
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}
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return parent::save($data);
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}
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/**
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* Method to change the title & alias.
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*
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* @param integer $category_id The id of the parent.
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* @param string $alias The alias.
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* @param string $name The title.
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*
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* @return array Contains the modified title and alias.
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*
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* @since 3.1
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*/
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protected function generateNewTitle($category_id, $alias, $name)
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{
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// Alter the title & alias
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$table = $this->getTable();
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while ($table->load(array('alias' => $alias, 'catid' => $category_id)))
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{
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if ($name == $table->title)
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{
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$name = JString::increment($name);
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}
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$alias = JString::increment($alias, 'dash');
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}
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return array($name, $alias);
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}
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/**
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* Allows preprocessing of the JForm object.
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*
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* @param JForm $form The form object
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* @param array $data The data to be merged into the form object
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* @param string $group The plugin group to be executed
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*
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* @return void
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*
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* @since 3.6.0
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*/
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protected function preprocessForm(JForm $form, $data, $group = 'content')
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{
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if ($this->canCreateCategory())
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{
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$form->setFieldAttribute('catid', 'allowAdd', 'true');
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}
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// Association weblinks items
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if (JLanguageAssociations::isEnabled())
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{
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$languages = JLanguageHelper::getContentLanguages(false, true, null, 'ordering', 'asc');
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if (count($languages) > 1)
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{
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$addform = new SimpleXMLElement('<form />');
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$fields = $addform->addChild('fields');
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$fields->addAttribute('name', 'associations');
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$fieldset = $fields->addChild('fieldset');
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$fieldset->addAttribute('name', 'item_associations');
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foreach ($languages as $language)
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{
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$field = $fieldset->addChild('field');
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$field->addAttribute('name', $language->lang_code);
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$field->addAttribute('type', 'modal_weblink');
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$field->addAttribute('language', $language->lang_code);
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$field->addAttribute('label', $language->title);
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$field->addAttribute('translate_label', 'false');
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$field->addAttribute('select', 'true');
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$field->addAttribute('new', 'true');
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$field->addAttribute('edit', 'true');
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$field->addAttribute('clear', 'true');
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}
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$form->load($addform, false);
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}
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}
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parent::preprocessForm($form, $data, $group);
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}
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/**
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* Is the user allowed to create an on the fly category?
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*
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* @return bool
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*
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* @since 3.6.0
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*/
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private function canCreateCategory()
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{
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return JFactory::getUser()->authorise('core.create', 'com_weblinks');
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}
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}
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