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<?php
/**
* Represents a number of fields which are selectable by a radio
* button that appears at the beginning of each item. Using CSS, you can
* configure the field to only display its contents if the corresponding radio
* button is selected. Each item is defined through {@link SelectionGroup_Item}.
*
* @example <code>
* $items = array(
* new SelectionGroup_Item(
* 'one',
* new LiteralField('one', 'one view'),
* 'one title'
* ),
* new SelectionGroup_Item(
* 'two',
* new LiteralField('two', 'two view'),
* 'two title'
* ),
* );
* $field = new SelectionGroup('MyGroup', $items);
* </code>
*
* @package forms
* @subpackage fields-structural
*/
class SelectionGroup extends CompositeField {
/**
* Create a new selection group.
*
* @param name The field name of the selection group.
* @param items The list of {@link SelectionGroup_Item}
*/
public function __construct($name, $items) {
$this->name = $name;
$selectionItems = array();
foreach($items as $key => $item) {
if($item instanceof SelectionGroup_Item) {
$selectionItems[] = $item;
} else {
// Convert legacy format
if(strpos($key,'//') !== false) {
list($key,$title) = explode('//', $key,2);
} else {
$title = null;
}
$selectionItems[] = new SelectionGroup_Item($key, $item, $title);
}
}
parent::__construct($selectionItems);
Requirements::css(FRAMEWORK_DIR . '/css/SelectionGroup.css');
}
public function FieldSet() {
return $this->FieldList();
}
public function FieldList() {
$items = parent::FieldList()->toArray();
$count = 0;
$newItems = array();
foreach($items as $item) {
if($this->value == $item->getValue()) {
$firstSelected = " class=\"selected\"";
$checked = true;
} else {
$firstSelected = "";
$checked = false;
}
$itemID = $this->ID() . '_' . (++$count);
$extra = array(
"RadioButton" => FormField::create_tag(
'input',
array(
'class' => 'selector',
'type' => 'radio',
'id' => $itemID,
'name' => $this->name,
'value' => $item->getValue(),
'checked' => $checked
)
),
"RadioLabel" => FormField::create_tag(
'label',
array('for' => $itemID),
$item->getTitle()
),
"Selected" => $firstSelected,
);
$newItems[] = $item->customise($extra);
}
return new ArrayList($newItems);
}
public function hasData() {
return true;
}
public function FieldHolder($properties = array()) {
Requirements::javascript(THIRDPARTY_DIR .'/jquery/jquery.js');
Requirements::javascript(FRAMEWORK_DIR . '/javascript/SelectionGroup.js');
Requirements::css(FRAMEWORK_DIR . '/css/SelectionGroup.css');
$obj = $properties ? $this->customise($properties) : $this;
return $obj->renderWith($this->getTemplates());
}
}
class SelectionGroup_Item extends CompositeField {
/**
* @var String
*/
protected $value;
/**
* @var String
*/
protected $title;
/**
* @param String $value Form field identifier
* @param FormField $field Contents of the option
* @param String $title Title to show for the radio button option
*/
function __construct($value, $fields = null, $title = null) {
$this->value = $value;
$this->title = ($title) ? $title : $value;
if($fields && !is_array($fields)) $fields = array($fields);
parent::__construct($fields);
}
function getTitle() {
return $this->title;
}
function setTitle($title) {
$this->title = $title;
return $this;
}
function getValue() {
return $this->value;
}
function setValue($Value) {
$this->value = $Value;
return $this;
}
}
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