mirror of
https://github.com/silverstripe/doc.silverstripe.org
synced 2024-10-22 17:05:50 +02:00
71 lines
1.8 KiB
PHP
71 lines
1.8 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* Grouped dropdown, using <optgroup> tags.
|
||
|
|
*
|
||
|
|
* $source parameter (from DropdownField) must be a two dimensional array.
|
||
|
|
* The first level of the array is used for the <optgroup>, and the second
|
||
|
|
* level are the <options> for each group.
|
||
|
|
*
|
||
|
|
* Returns a <select> tag containing all the appropriate <option> tags, with
|
||
|
|
* <optgroup> tags around the <option> tags as required.
|
||
|
|
*
|
||
|
|
* <b>Usage</b>
|
||
|
|
*
|
||
|
|
* <code>
|
||
|
|
* new GroupedDropdownField(
|
||
|
|
* $name = "dropdown",
|
||
|
|
* $title = "Simple Grouped Dropdown",
|
||
|
|
* $source = array(
|
||
|
|
* "numbers" => array(
|
||
|
|
* "1" => "1",
|
||
|
|
* "2" => "2",
|
||
|
|
* "3" => "3",
|
||
|
|
* "4" => "4"
|
||
|
|
* ),
|
||
|
|
* "letters" => array(
|
||
|
|
* "1" => "A",
|
||
|
|
* "2" => "B",
|
||
|
|
* "3" => "C",
|
||
|
|
* "4" => "D",
|
||
|
|
* "5" => "E",
|
||
|
|
* "6" => "F"
|
||
|
|
* )
|
||
|
|
* )
|
||
|
|
* )
|
||
|
|
* </code>
|
||
|
|
*
|
||
|
|
* @package forms
|
||
|
|
* @subpackage fields-basic
|
||
|
|
*/
|
||
|
|
class GroupedDropdownField extends DropdownField {
|
||
|
|
|
||
|
|
function Field() {
|
||
|
|
// Initialisations
|
||
|
|
$options = '';
|
||
|
|
$classAttr = '';
|
||
|
|
|
||
|
|
if($extraClass = trim($this->extraClass())) {
|
||
|
|
$classAttr = "class=\"$extraClass\"";
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach($this->getSource() as $value => $title) {
|
||
|
|
if(is_array($title)) {
|
||
|
|
$options .= "<optgroup label=\"$value\">";
|
||
|
|
foreach($title as $value2 => $title2) {
|
||
|
|
$selected = $value2 == $this->value ? " selected=\"selected\"" : "";
|
||
|
|
$options .= "<option$selected value=\"$value2\">$title2</option>";
|
||
|
|
}
|
||
|
|
$options .= "</optgroup>";
|
||
|
|
} else { // Fall back to the standard dropdown field
|
||
|
|
$selected = $value == $this->value ? " selected=\"selected\"" : "";
|
||
|
|
$options .= "<option$selected value=\"$value\">$title</option>";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$id = $this->id();
|
||
|
|
|
||
|
|
return "<select $classAttr name=\"$this->name\" id=\"$id\">$options</select>";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
?>
|