_hiddenLabel = $hiddenLabel;
}
function toHtml(){
if ($this->_hiddenLabel){
$this->_generateId();
return ''.parent::toHtml();
} else {
return parent::toHtml();
}
}
/**
* Automatically generates and assigns an 'id' attribute for the element.
*
* Currently used to ensure that labels work on radio buttons and
* checkboxes. Per idea of Alexander Radivanovich.
* Overriden in moodleforms to remove qf_ prefix.
*
* @access private
* @return void
*/
function _generateId()
{
static $idx = 1;
if (!$this->getAttribute('id')) {
$this->updateAttributes(array('id' => 'id_'. substr(md5(microtime() . $idx++), 0, 6)));
}
} // end func _generateId
/**
* set html for help button
*
* @access public
* @param array $help array of arguments to make a help button
* @param string $function function name to call to get html
*/
function setHelpButton($helpbuttonargs, $function='helpbutton'){
if (!is_array($helpbuttonargs)){
$helpbuttonargs=array($helpbuttonargs);
}else{
$helpbuttonargs=$helpbuttonargs;
}
//we do this to to return html instead of printing it
//without having to specify it in every call to make a button.
if ('helpbutton' == $function){
$defaultargs=array('', '', 'moodle', true, false, '', true);
$helpbuttonargs=$helpbuttonargs + $defaultargs ;
}
$this->_helpbutton=call_user_func_array($function, $helpbuttonargs);
}
/**
* get html for help button
*
* @access public
* @return string html for help button
*/
function getHelpButton(){
return $this->_helpbutton;
}
/**
* Removes an OPTION from the SELECT
*
* @param string $value Value for the OPTION to remove
* @since 1.0
* @access public
* @return void
*/
function removeOption($value)
{
$key=array_search($value, $this->_values);
if ($key!==FALSE and $key!==null) {
unset($this->_values[$key]);
}
foreach ($this->_options as $key=>$option){
if ($option['attr']['value']==$value){
unset($this->_options[$key]);
return;
}
}
} // end func removeOption
/**
* Removes all OPTIONs from the SELECT
*
* @param string $value Value for the OPTION to remove
* @since 1.0
* @access public
* @return void
*/
function removeOptions()
{
$this->_options = array();
} // end func removeOption
/**
* Slightly different container template when frozen. Don't want to use a label tag
* with a for attribute in that case for the element label but instead use a div.
* Templates are defined in renderer constructor.
*
* @return string
*/
function getElementTemplateType(){
if ($this->_flagFrozen){
return 'static';
} else {
return 'default';
}
}
}
?>