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Eddy Prosperi
2024-12-31 11:07:09 +01:00
parent df7915205d
commit e089172b15
1916 changed files with 165422 additions and 271 deletions
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394
plugins/system/nrframework/fields/nrchainedfields.php Normal file
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<?php
/**
* @author Tassos Marinos <info@tassos.gr>
* @link https://www.tassos.gr
* @copyright Copyright © 2024 Tassos All Rights Reserved
* @license GNU GPLv3 <http://www.gnu.org/licenses/gpl.html> or later
*/
defined('_JEXEC') or die('Restricted access');
use Joomla\CMS\Layout\FileLayout;
use Joomla\Registry\Registry;
use Joomla\CMS\Language\Text;
require_once dirname(__DIR__) . '/helpers/field.php';
class JFormFieldNRChainedFields extends NRFormField
{
/**
* All CSV choices.
*
* @var array
*/
protected $choices = [];
/**
* The separator used in the CSV file.
*
* @var string
*/
protected $separator = ',';
/**
* The data source contents.
*
* @var string
*/
protected $dataset = '';
/**
* Method to get the field input markup.
*
* @return string The field input markup.
*/
protected function getInput()
{
$layout = new FileLayout('chainedfields', JPATH_PLUGINS . '/system/nrframework/layouts');
$data_source = $this->get('data_source', 'custom');
switch ($data_source)
{
case 'custom':
$this->dataset = $this->get('data_source_custom', '');
break;
case 'csv_file':
$csv_file = $this->get('data_source_csv', '');
if (!file_exists($csv_file))
{
return;
}
$this->dataset = $csv_file;
break;
}
$this->separator = $this->get('separator', ',');
$data = [
'csv' => $this->dataset,
'data_source' => $data_source,
'value' => $this->getValue(),
'data' => $this->getData()
];
return $layout->render($data);
}
/**
* Returns the field value.
*
* @return mixed
*/
private function getValue()
{
if (!$this->value)
{
return null;
}
if (!$this->choices = \NRFramework\Helpers\ChainedFields::loadCSV($this->dataset, $this->get('data_source', 'custom'), $this->separator, $this->id . '_', $this->name))
{
return null;
}
$choices = $this->choices['inputs'];
// Ensure the value is in correct format when used as plain field or in subform
$this->value = array_values((array) $this->value);
foreach ($this->choices['inputs'] as $key => $input)
{
$choices[$key]['choices'] = $this->getSelectedChoices($key, $this->value, $input);
}
return $choices;
}
/**
* Finds the choices of the select.
*
* @param string $key
* @param array $value
* @param array $input
*
* @return mixed
*/
private function getSelectedChoices($key, $value, $input)
{
$choices = $this->getSelectChoices($value, $input['id']);
if (!is_array($choices))
{
return null;
}
// set selected options based on value
foreach ($choices as $_key => &$choice)
{
if (!isset($value[$key]) || $choice['value'] !== $value[$key])
{
continue;
}
$choice['isSelected'] = true;
}
return $choices;
}
/**
* Handles the AJAX request.
*
* Runs when select a value from a select field.
*
* @param array $options
*
* @return array
*/
public function onAjax($options)
{
$options = new Registry($options);
if (!$select_id = $options->get('select_id'))
{
echo json_encode([
'error' => true,
'response' => Text::_('NR_CANNOT_PROCESS_REQUEST')
]);
jexit();
}
if (!$value = $options->get('value'))
{
echo json_encode([
'error' => true,
'response' => Text::_('NR_CANNOT_PROCESS_REQUEST')
]);
jexit();
}
if (!$value = json_decode($options->get('value'), true))
{
echo json_encode([
'error' => true,
'response' => Text::_('NR_CANNOT_PROCESS_REQUEST')
]);
jexit();
}
if (!$data_source = $options->get('data_source'))
{
echo json_encode([
'error' => true,
'response' => Text::_('NR_CANNOT_PROCESS_REQUEST')
]);
jexit();
}
if (!$csv = $options->get('csv'))
{
echo json_encode([
'error' => true,
'response' => Text::_('NR_CANNOT_PROCESS_REQUEST')
]);
jexit();
}
$csv = json_decode($csv, true);
// get field ID from select ID
$id = preg_replace('/_[0-9]+$/', '', $select_id);
if (!$id || !$select_id || !$value || !$csv)
{
echo json_encode([
'error' => true,
'response' => Text::_('NR_CANNOT_PROCESS_REQUEST')
]);
jexit();
}
$this->id = $id;
// get all CSV data
if (!$this->choices = \NRFramework\Helpers\ChainedFields::loadCSV($csv, $data_source, $this->separator, $this->id . '_', $this->name))
{
echo json_encode([
'error' => true,
'response' => Text::_('NR_CANNOT_PROCESS_REQUEST')
]);
jexit();
}
// find next select options
$this->findNextOptions($id, $select_id, $value);
}
/**
* Finds the options of the next select.
*
* @param string $id
* @param string $select_id
* @param array $value
*
* @return void
*/
private function findNextOptions($id, $select_id, $value)
{
// find next ID
$next_select_id = $this->getNextSelectID($id, $select_id);
// get next choices
$choices = $next_select_id ? $this->getSelectChoices($value, $next_select_id) : [];
echo json_encode([
'error' => false,
'response' => $choices
]);
jexit();
}
/**
* Returns the select choices.
*
* @param array $field_value
* @param string $select_id
* @param integer $depth
* @param array $choices
* @param array $full_field_value
*
* @return array
*/
private function getSelectChoices($field_value = null, $select_id = null, $depth = null, $choices = null, $full_field_value = null)
{
$full_field_value = $full_field_value !== null ? $full_field_value : $field_value;
$value = array_shift($field_value);
$index = $select_id ? $this->getSelectID($select_id) : 1;
$depth = $depth ? $depth : 1;
$choices = $choices === null ? $this->choices['choices'] : (empty($choices) ? [] : $choices);
$select_choices = [];
if ($depth == $index)
{
$select_choices = $choices;
}
else
{
foreach ($choices as $choice)
{
if ($choice['value'] !== $value)
{
continue;
}
$select_choices = $this->getSelectChoices($field_value, $select_id, $depth + 1, !empty($choice['choices']) ? $choice['choices'] : [], $full_field_value);
break;
}
}
if (empty($select_choices) && $this->getPreviousSelectValue($select_id, $full_field_value))
{
$select_choices = [
[
'text' => 'No options',
'value' => '',
'isSelected' => true
]
];
}
return $select_choices;
}
/**
* Returns the previous select value
*
* @param string $select_id
* @param string $full_field_value
*
* @return string
*/
public function getPreviousSelectValue($select_id, $full_field_value)
{
$explode = explode('_', $select_id);
$input_id = $explode[count($explode) - 1];
$field_id = rtrim($select_id, '_' . $input_id);
$prev_input_id = sprintf('%s.%s', $field_id, $input_id - 1);
$prev_input_value = isset($full_field_value[$prev_input_id]) ? $full_field_value[$prev_input_id] : null;
return $prev_input_value;
}
/**
* Finds the next select ID
*
* @param string $base_id
* @param string $select_id
*
* @return mixed
*/
public function getNextSelectID($base_id, $select_id)
{
$id = $this->getSelectID($select_id);
$next_id = $id + 1;
if ($next_id % 10 == 0)
{
$next_id++;
}
$next_select_id = sprintf('%s_%d', $base_id, $next_id);
foreach ($this->choices['inputs'] as $input)
{
if ($input['id'] != $next_select_id)
{
continue;
}
return $next_select_id;
}
return false;
}
/**
* Gets the ID (index) of the select by its ID.
*
* @param string $select_id
*
* @return int
*/
public function getSelectID($select_id)
{
$explode = explode('_', $select_id);
return (int) array_pop($explode);
}
/**
* Fetches all CSV data.
*
* @return array
*/
private function getData()
{
if (!$this->dataset)
{
return [];
}
if (!$choices = \NRFramework\Helpers\ChainedFields::loadCSV($this->dataset, $this->get('data_source', 'csv_file'), $this->separator, $this->id . '_', $this->name))
{
return [];
}
return $choices;
}
}