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<?php
/**
* Elgg checkbox input
* Displays a checkbox input field
* NB: This also includes a hidden input with the same name as the checkboxes
* to make sure something is sent to the server. The default value is 0.
* If using JS, be specific to avoid selecting the hidden default value:
* $('input[type=checkbox][name=internalname]')
*
* @package Elgg
* @subpackage Core
*
* @uses string $vars['internalname'] The name of the input fields
* (Forced to an array by appending [])
* @uses array $vars['options'] An array of strings representing the
* label => option for the each checkbox field
* @uses string $vars['internalid'] The id for each input field. Optional
* (Only use this with a single value.)
* @uses string $vars['default'] The default value to send if nothing is checked.
* Optional, defaults to 0. Set to FALSE for no default.
* @uses bool $vars['disabled'] Make all input elements disabled. Optional.
* @uses string $vars['value'] The current value. Optional.
* @uses string $vars['class'] The class of each input element. Optional.
* @uses string $vars['js'] Any Javascript to enter into the input tag. Optional.
*
*/
if (!isset($vars['value']) || $vars['value'] === FALSE) {
$vars['value'] = elgg_get_sticky_value($vars['internalname']);
}
$class = (isset($vars['class'])) ? $vars['class'] : 'elgg-input-checkboxes';
$value = (isset($vars['value'])) ? $vars['value'] : NULL;
$value_array = (is_array($value)) ? array_map('strtolower', $value) : array(strtolower($value));
$internalname = (isset($vars['internalname'])) ? $vars['internalname'] : '';
$options = (isset($vars['options']) && is_array($vars['options'])) ? $vars['options'] : array();
$default = (isset($vars['default'])) ? $vars['default'] : 0;
$id = (isset($vars['internalid'])) ? $vars['internalid'] : '';
$disabled = (isset($vars['disabled'])) ? $vars['disabled'] : FALSE;
$js = (isset($vars['js'])) ? $vars['js'] : '';
if ($options) {
// include a default value so if nothing is checked 0 will be passed.
if ($internalname && $default !== FALSE) {
echo "<input type=\"hidden\" name=\"$internalname\" value=\"$default\" />";
}
foreach ($options as $label => $option) {
// @hack - This sorta checks if options is not an assoc array and then
// ignores the label (because it's just the index) and sets the value ($option)
// as the label.
// Wow.
// @todo deprecate in Elgg 1.8
if (is_integer($label)) {
$label = $option;
}
$input_vars = array(
'checked' => in_array(strtolower($option), $value_array),
'value' => $option,
'disabled' => $disabled,
'id' => $id,
'js' => $js,
'default' => false,
);
if ($class) {
$input_vars['class'] = $class;
}
if ($internalname) {
$input_vars['name'] = "{$internalname}[]";
}
$input = elgg_view('input/checkbox', $input_vars);
echo "{$input}<label>{$label}</label><br />";
}
}
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