forked from joomla/Component-Builder
88 lines
3.1 KiB
PHP
88 lines
3.1 KiB
PHP
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<?php
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/**
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* @package Joomla.Component.Builder
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*
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* @created 30th April, 2015
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* @author Llewellyn van der Merwe <http://www.joomlacomponentbuilder.com>
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* @github Joomla Component Builder <https://github.com/vdm-io/Joomla-Component-Builder>
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* @copyright Copyright (C) 2015 - 2018 Vast Development Method. 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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// No direct access to this file
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defined('JPATH_PLATFORM') or die;
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use Joomla\CMS\Form\Form;
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use Joomla\CMS\Form\FormRule;
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use Joomla\Registry\Registry;
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/**
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* Form Rule (Uniqueplaceholder) class for the Joomla Platform.
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*/
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class JFormRuleUniqueplaceholder extends FormRule
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{
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/**
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* Method to test the field value for uniqueness.
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*
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* @param \SimpleXMLElement $element The SimpleXMLElement object representing the `<field>` tag for the form field object.
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* @param mixed $value The form field value to validate.
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* @param string $group The field name group control value. This acts as an array container for the field.
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* For example if the field has name="foo" and the group value is set to "bar" then the
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* full field name would end up being "bar[foo]".
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* @param Registry $input An optional Registry object with the entire data set to validate against the entire form.
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* @param Form $form The form object for which the field is being tested.
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*
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* @return boolean True if the value is valid, false otherwise.
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*
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* @since 11.1
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*/
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public function test(\SimpleXMLElement $element, $value, $group = null, Registry $input = null, Form $form = null)
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{
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// Get the database object and a new query object.
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$db = \JFactory::getDbo();
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$query = $db->getQuery(true);
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// Get the extra field check attribute.
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$id = ($input instanceof Registry) ? $input->get('id', null) : null;
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// get the component & table name
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$table = ($form instanceof Form) ? $form->getName() : '';
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// get the column name
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$name = (array) $element->attributes()->{'name'};
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$column = (string) trim($name[0]);
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// check that we have a value
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if (strlen($table) > 3 && strpos($table, 'componentbuilder.') !== false)
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{
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// now get the table name
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$tableArray = explode('.', $table);
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// do we have two values
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if (count( (array) $tableArray) == 2)
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{
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// Build the query.
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$query->select('COUNT(*)')
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->from('#__componentbuilder_' . (string) $tableArray[1])
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->where($db->quoteName($column) . ' = ' . $db->quote($value));
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// remove this item from the list
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if ($id > 0)
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{
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$query->where($db->quoteName('id') . ' <> ' . (int) $id);
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}
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// Set and query the database.
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$db->setQuery($query);
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$duplicate = (bool) $db->loadResult();
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if ($duplicate)
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{
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return false;
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}
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}
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}
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// now test against all the placeholders in the compiler
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return ComponentbuilderHelper::validateUniquePlaceholder($value);
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}
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}
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