Файл: contao-3.5.8/system/modules/core/forms/FormSelectMenu.php
Строк: 176
<?php
/**
* Contao Open Source CMS
*
* Copyright (c) 2005-2016 Leo Feyer
*
* @license LGPL-3.0+
*/
namespace Contao;
/**
* Class FormSelectMenu
*
* @property integer $mSize
* @property boolean $mandatory
* @property boolean $multiple
* @property array $options
* @property boolean $chosen
*
* @author Leo Feyer <https://github.com/leofeyer>
*/
class FormSelectMenu extends Widget
{
/**
* Submit user input
*
* @var boolean
*/
protected $blnSubmitInput = true;
/**
* Add a for attribute
*
* @var boolean
*/
protected $blnForAttribute = true;
/**
* Template
*
* @var string
*/
protected $strTemplate = 'form_select';
/**
* The CSS class prefix
*
* @var string
*/
protected $strPrefix = 'widget widget-select';
/**
* Add specific attributes
*
* @param string $strKey The attribute name
* @param mixed $varValue The attribute value
*/
public function __set($strKey, $varValue)
{
switch ($strKey)
{
case 'mandatory':
if ($varValue)
{
$this->arrAttributes['required'] = 'required';
}
else
{
unset($this->arrAttributes['required']);
}
parent::__set($strKey, $varValue);
break;
case 'mSize':
if ($this->multiple)
{
$this->arrAttributes['size'] = $varValue;
}
break;
case 'multiple':
if ($varValue != '')
{
$this->arrAttributes['multiple'] = 'multiple';
}
break;
case 'options':
$this->arrOptions = deserialize($varValue);
break;
case 'rgxp':
case 'minlength':
case 'maxlength':
// Ignore
break;
default:
parent::__set($strKey, $varValue);
break;
}
}
/**
* Check options if the field is mandatory
*/
public function validate()
{
$mandatory = $this->mandatory;
$options = $this->getPost($this->strName);
// Check if there is at least one value
if ($mandatory && is_array($options))
{
foreach ($options as $option)
{
if (strlen($option))
{
$this->mandatory = false;
break;
}
}
}
$varInput = $this->validator($options);
// Check for a valid option (see #4383)
if (!empty($varInput) && !$this->isValidOption($varInput))
{
$this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['invalid'], (is_array($varInput) ? implode(', ', $varInput) : $varInput)));
}
// Add class "error"
if ($this->hasErrors())
{
$this->class = 'error';
}
else
{
$this->varValue = $varInput;
}
// Reset the property
if ($mandatory)
{
$this->mandatory = true;
}
}
/**
* Return a parameter
*
* @param string $strKey The parameter name
*
* @return mixed The parameter value
*/
public function __get($strKey)
{
if ($strKey == 'options')
{
return $this->arrOptions;
}
return parent::__get($strKey);
}
/**
* Parse the template file and return it as string
*
* @param array $arrAttributes An optional attributes array
*
* @return string The template markup
*/
public function parse($arrAttributes=null)
{
$strClass = 'select';
if ($this->multiple)
{
$this->strName .= '[]';
$strClass = 'multiselect';
}
// Make sure there are no multiple options in single mode
elseif (is_array($this->varValue))
{
$this->varValue = $this->varValue[0];
}
// Chosen
if ($this->chosen)
{
$strClass .= ' tl_chosen';
}
// Custom class
if ($this->strClass != '')
{
$strClass .= ' ' . $this->strClass;
}
$this->strClass = $strClass;
return parent::parse($arrAttributes);
}
/**
* Generate the options
*
* @return array The options array
*/
protected function getOptions()
{
$arrOptions = array();
$blnHasGroups = false;
// Add empty option (XHTML) if there are none
if (empty($this->arrOptions))
{
$this->arrOptions = array(array('value' => '', 'label' => '-'));
}
// Generate options
foreach ($this->arrOptions as $arrOption)
{
if ($arrOption['group'])
{
if ($blnHasGroups)
{
$arrOptions[] = array
(
'type' => 'group_end'
);
}
$arrOptions[] = array
(
'type' => 'group_start',
'label' => specialchars($arrOption['label'])
);
$blnHasGroups = true;
}
else
{
$arrOptions[] = array
(
'type' => 'option',
'value' => $arrOption['value'],
'selected' => $this->isSelected($arrOption),
'label' => $arrOption['label'],
);
}
}
if ($blnHasGroups)
{
$arrOptions[] = array
(
'type' => 'group_end'
);
}
return $arrOptions;
}
/**
* Generate the widget and return it as string
*
* @return string The widget markup
*/
public function generate()
{
$strOptions = '';
$blnHasGroups = false;
if ($this->multiple)
{
$this->strName .= '[]';
}
// Make sure there are no multiple options in single mode
elseif (is_array($this->varValue))
{
$this->varValue = $this->varValue[0];
}
// Add empty option (XHTML) if there are none
if (empty($this->arrOptions))
{
$this->arrOptions = array(array('value'=>'', 'label'=>'-'));
}
foreach ($this->arrOptions as $arrOption)
{
if ($arrOption['group'])
{
if ($blnHasGroups)
{
$strOptions .= '</optgroup>';
}
$strOptions .= sprintf('<optgroup label="%s">',
specialchars($arrOption['label']));
$blnHasGroups = true;
continue;
}
$strOptions .= sprintf('<option value="%s"%s>%s</option>',
$arrOption['value'],
$this->isSelected($arrOption),
$arrOption['label']);
}
if ($blnHasGroups)
{
$strOptions .= '</optgroup>';
}
return sprintf('<select name="%s" id="ctrl_%s" class="%s"%s>%s</select>',
$this->strName,
$this->strId,
$this->class,
$this->getAttributes(),
$strOptions) . $this->addSubmit();
}
}