/**
* called by BasicFunctions::hasFieldsetOnMultiCheckbox()
* Check if form has "fieldset" and "legend" to group multiple checkbox buttons.
* @return true if has, otherwise, false
*/
public static function hasFieldsetOnMultiCheckbox($e)
{
// find if there are radio buttons with same name
$children = $e->children();
$num_of_children = count($children);
foreach ($children as $i => $child) {
if (strtolower(trim($child->attr["type"])) == "checkbox") {
$this_name = strtolower(trim($child->attr["name"]));
for ($j = $i + 1; $j <= $num_of_children; $j++) {
// if there are radio buttons with same name,
// check if they are contained in "fieldset" and "legend" elements
if (strtolower(trim($children[$j]->attr["name"])) == $this_name) {
if (BasicChecks::hasParent($e, "fieldset")) {
return BasicChecks::hasParent($e, "legend");
} else {
return false;
}
}
}
} else {
return BasicChecks::hasFieldsetOnMultiCheckbox($child);
}
}
return true;
}
/**
* Check radio button groups are marked using "fieldset" and "legend" elements
* Return: use global variable $is_radio_buttons_grouped to return true (grouped properly) or false (not grouped)
*/
public static function isRadioButtonsGrouped()
{
global $global_e;
$radio_buttons = array();
foreach ($global_e->find("input") as $e_input) {
if (strtolower(trim($e_input->attr["type"])) == "radio") {
array_push($radio_buttons, $e_input);
}
}
for ($i = 0; $i < count($radio_buttons); $i++) {
for ($j = 0; $j < count($radio_buttons); $j++) {
if ($i != $j && strtolower(trim($radio_buttons[$i]->attr["name"])) == strtolower(trim($radio_buttons[$j]->attr["name"])) && !BasicChecks::hasParent($radio_buttons[$i], "fieldset") && !BasicChecks::hasParent($radio_buttons[$i], "legend")) {
return false;
}
}
}
return true;
}
