119 lines
3.1 KiB
PHP
119 lines
3.1 KiB
PHP
<?php
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/**
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* @package Joomla.Platform
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* @subpackage Form
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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
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*/
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defined('JPATH_PLATFORM') or die;
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/**
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* Form Field class for the Joomla Platform.
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* Supports a generic list of options.
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*
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* @package Joomla.Platform
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* @subpackage Form
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* @since 11.1
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*/
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class JFormFieldList extends JFormField
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{
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/**
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* The form field type.
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*
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* @var string
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* @since 11.1
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*/
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protected $type = 'List';
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/**
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* Method to get the field input markup for a generic list.
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* Use the multiple attribute to enable multiselect.
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*
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* @return string The field input markup.
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*
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* @since 11.1
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*/
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protected function getInput()
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{
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$html = array();
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$attr = '';
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// Initialize some field attributes.
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$attr .= $this->element['class'] ? ' class="' . (string) $this->element['class'] . '"' : '';
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// To avoid user's confusion, readonly="true" should imply disabled="true".
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if ((string) $this->element['readonly'] == 'true' || (string) $this->element['disabled'] == 'true')
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{
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$attr .= ' disabled="disabled"';
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}
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$attr .= $this->element['size'] ? ' size="' . (int) $this->element['size'] . '"' : '';
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$attr .= $this->multiple ? ' multiple="multiple"' : '';
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$attr .= $this->required ? ' required="required" aria-required="true"' : '';
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// Initialize JavaScript field attributes.
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$attr .= $this->element['onchange'] ? ' onchange="' . (string) $this->element['onchange'] . '"' : '';
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// Get the field options.
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$options = (array) $this->getOptions();
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// Create a read-only list (no name) with a hidden input to store the value.
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if ((string) $this->element['readonly'] == 'true')
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{
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$html[] = JHtml::_('select.genericlist', $options, '', trim($attr), 'value', 'text', $this->value, $this->id);
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$html[] = '<input type="hidden" name="' . $this->name . '" value="' . $this->value . '"/>';
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}
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// Create a regular list.
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else
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{
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$html[] = JHtml::_('select.genericlist', $options, $this->name, trim($attr), 'value', 'text', $this->value, $this->id);
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}
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return implode($html);
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}
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/**
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* Method to get the field options.
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*
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* @return array The field option objects.
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*
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* @since 11.1
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*/
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protected function getOptions()
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{
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$options = array();
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foreach ($this->element->children() as $option)
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{
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// Only add <option /> elements.
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if ($option->getName() != 'option')
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{
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continue;
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}
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// Create a new option object based on the <option /> element.
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$tmp = JHtml::_(
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'select.option', (string) $option['value'],
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JText::alt(trim((string) $option), preg_replace('/[^a-zA-Z0-9_\-]/', '_', $this->fieldname)), 'value', 'text',
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((string) $option['disabled'] == 'true')
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);
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// Set some option attributes.
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$tmp->class = (string) $option['class'];
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// Set some JavaScript option attributes.
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$tmp->onclick = (string) $option['onclick'];
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// Add the option object to the result set.
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$options[] = $tmp;
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}
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reset($options);
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return $options;
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}
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}
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