silverstripe-framework/forms/FieldGroup.php

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<?php
/**
* Lets you include a nested group of fields inside a template.
* This control gives you more flexibility over form layout.
*
* Note: the child fields within a field group aren't rendered using DefaultFieldHolder. Instead,
* SmallFieldHolder() is called, which just prefixes $Field with a <label> tag, if the Title is set.
*/
class FieldGroup extends CompositeField {
protected $zebra;
function __construct($arg1 = null, $arg2 = null) {
if(is_array($arg1) || is_a($arg1, 'FieldSet')) {
$fields = $arg1;
} else if(is_array($arg2) || is_a($arg2, 'FieldSet')) {
$this->title = $arg1;
$fields = $arg2;
} else {
$fields = func_get_args();
if(!is_object(reset($fields))) $this->title = array_shift($fields);
}
parent::__construct($fields);
}
/**
* Returns the name (ID) for the element.
* In some cases the FieldGroup doesn't have a title, but we still want
* the ID / name to be set. This code, generates the ID from the nested children
*/
function Name(){
if(!$this->title) {
$fs = $this->FieldSet();
$compositeTitle = '';
$count = 0;
foreach($fs as $subfield){
$compositeTitle .= $subfield->Name();
if($subfield->Name()) $count++;
}
if($count == 1) $compositeTitle .= 'Group';
return ereg_replace("[^a-zA-Z0-9]+","",$compositeTitle);
}
return ereg_replace("[^a-zA-Z0-9]+","",$this->title);
}
/**
* Returns a set of <span class="subfield"> tags, each containing a sub-field.
* You can also use <% control FieldSet %>, if you'd like more control over the generated HTML
*
* TODO Shouldn't use SmallFieldHolder() (very difficult to style),
* it is easier to overwrite the <div class="field"> behaviour in a more specific class
*/
function Field() {
$fs = $this->FieldSet();
$spaceZebra = isset($this->zebra) ? " $this->zebra" : '';
$idAtt = isset($this->id) ? " id=\"{$this->id}\"" : '';
$content = "<span class=\"fieldgroup$spaceZebra\"$idAtt>";
foreach($fs as $subfield) {
$childZebra = (!isset($childZebra) || $childZebra == "odd") ? "even" : "odd";
if($subfield->hasMethod('setZebra')) $subfield->setZebra($childZebra);
$content .= $subfield->SmallFieldHolder() . " ";
}
$content .= "</span>";
return $content;
}
public function setID($id) {
$this->id = Convert::raw2att($id);
}
/**
* Set an odd/even class
*/
function setZebra($zebra) {
if($zebra == 'odd' || $zebra == 'even') $this->zebra = $zebra;
else user_error("setZebra passed '$zebra'. It should be passed 'odd' or 'even'", E_USER_WARNING);
}
function FieldHolder() {
return FormField::FieldHolder();
}
function Message() {
$fs = $this->FieldSet();
foreach($fs as $subfield) {
if($m = $subfield->Message()) $message[] = $m;
}
if(isset($message)) return implode(", ", $message) . ". ";
}
function MessageType(){
$fs = $this->FieldSet();
foreach($fs as $subfield) {
if($m = $subfield->MessageType()) $MessageType[] = $m;
}
if(isset($MessageType)) {
return implode(". ", $MessageType);
}
}
/**
* This allows fields within this fieldgroup to still allow them to get valuated.
*/
function jsValidation(){
$fs = $this->FieldSet();
$validationCode = '';
foreach($fs as $subfield) {
if($value = $subfield->jsValidation()) {
$validationCode .= $value;
}
}
return $validationCode;
}
function php($data){
return;
}
}
?>