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administrator/components/com_weblinks/models/weblink.php
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309
administrator/components/com_weblinks/models/weblink.php
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<?php
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/**
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* @package Joomla.Administrator
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* @subpackage com_weblinks
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*
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* @copyright Copyright (C) 2005 - 2013 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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/**
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* Weblinks model.
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*
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* @package Joomla.Administrator
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* @subpackage com_weblinks
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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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* @var string The prefix to use with controller messages.
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* @since 1.6
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*/
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protected $text_prefix = 'COM_WEBLINKS';
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/**
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* Method to test whether a record can be deleted.
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*
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* @param object A record object.
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* @return boolean True if allowed to delete the record. Defaults to the permission set in the component.
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* @since 1.6
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*/
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protected function canDelete($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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$user = JFactory::getUser();
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if ($record->catid)
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{
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return $user->authorise('core.delete', 'com_weblinks.category.'.(int) $record->catid);
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}
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else
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{
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return parent::canDelete($record);
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}
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}
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}
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/**
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* Method to test whether a record can have its state changed.
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*
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* @param object A record object.
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* @return boolean True if allowed to change the state of the record. Defaults to the permission set in the component.
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* @since 1.6
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*/
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protected function canEditState($record)
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{
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$user = JFactory::getUser();
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if (!empty($record->catid))
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{
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return $user->authorise('core.edit.state', 'com_weblinks.category.'.(int) $record->catid);
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}
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else
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{
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return parent::canEditState($record);
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}
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}
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/**
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* Returns a reference to the a Table object, always creating it.
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*
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* @param type The table type to instantiate
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* @param string A prefix for the table class name. Optional.
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* @param array Configuration array for model. Optional.
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* @return JTable A database object
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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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* Method to get the record form.
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*
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* @param array $data An optional array of data for the form to interogate.
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* @param boolean $loadData True if the form is to load its own data (default case), false if not.
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* @return JForm A JForm object on success, false on failure
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* @since 1.6
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*/
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public function getForm($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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return $form;
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}
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/**
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* Method to get the data that should be injected in the form.
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*
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* @return mixed The data for the form.
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* @since 1.6
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*/
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protected function loadFormData()
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{
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// Check the session for previously entered form data.
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$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 $data;
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}
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/**
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* Method to get a single record.
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*
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* @param integer The id of the primary key.
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*
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* @return mixed Object on success, false on failure.
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* @since 1.6
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*/
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public function getItem($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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$registry = new JRegistry;
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$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 JRegistry;
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$registry->loadString($item->images);
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$item->images = $registry->toArray();
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if (!empty($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 $item;
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}
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/**
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* Prepare and sanitise the table prior to saving.
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*
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* @since 1.6
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*/
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protected function prepareTable($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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$table->alias = JApplication::stringURLSafe($table->alias);
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if (empty($table->alias))
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{
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$table->alias = JApplication::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 = JFactory::getDbo();
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$db->setQuery('SELECT MAX(ordering) FROM #__weblinks');
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$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 = $user->get('id');
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}
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// Increment the content version number.
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$table->version++;
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}
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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 object A record object.
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* @return array An array of conditions to add to add to ordering queries.
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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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$app = JFactory::getApplication();
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// Alter the title for save as copy
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if ($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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return $return;
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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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