silverstripe-framework/Forms/Tab.php

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<?php
namespace SilverStripe\Forms;
use SilverStripe\Core\Convert;
use InvalidArgumentException;
/**
* Implements a single tab in a {@link TabSet}.
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*
* Here is a simple implementation of a Tab. Obviously, you can include as much fields
* inside as you want. A tab can contain other tabs as well.
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*
* <code>
* new Tab(
* $title='Tab one',
* new HeaderField("A header"),
* new LiteralField("Lipsum","Lorem ipsum dolor sit amet enim.")
* )
* </code>
*/
class Tab extends CompositeField {
/**
* @var TabSet
*/
protected $tabSet;
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/**
* @var string
*/
protected $id;
/**
* @uses FormField::name_to_label()
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*
* @param string $name Identifier of the tab, without characters like dots or spaces
* @param string|FormField $titleOrField Natural language title of the tabset, or first tab.
* If its left out, the class uses {@link FormField::name_to_label()} to produce a title
* from the {@link $name} parameter.
* @param FormField ...$fields All following parameters are inserted as children to this tab
*/
public function __construct($name, $titleOrField = null, $fields = null) {
if(!is_string($name)) {
throw new InvalidArgumentException('Invalid string parameter for $name');
}
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// Get following arguments
$fields = func_get_args();
array_shift($fields);
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// Detect title from second argument, if it is a string
if($titleOrField && is_string($titleOrField)) {
$title = $titleOrField;
array_shift($fields);
} else {
$title = static::name_to_label($name);
}
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// Remaining arguments are child fields
parent::__construct($fields);
// Assign name and title (not assigned by parent constructor)
$this->setName($name);
$this->setTitle($title);
$this->setID(Convert::raw2htmlid($name));
}
public function ID() {
if($this->tabSet) {
return $this->tabSet->ID() . '_' . $this->id;
} else {
return $this->id;
}
}
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/**
* Set custom HTML ID to use for this tabset
*
* @param string $id
* @return $this
*/
public function setID($id) {
$this->id = $id;
return $this;
}
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/**
* Get child fields
*
* @return FieldList
*/
public function Fields() {
return $this->children;
}
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/**
* Assign to a TabSet instance
*
* @param TabSet $val
* @return $this
*/
public function setTabSet($val) {
$this->tabSet = $val;
return $this;
}
/**
* Get parent tabset
*
* @return TabSet
*/
public function getTabSet() {
return $this->tabSet;
}
public function extraClass() {
return implode(' ', (array)$this->extraClasses);
}
public function getAttributes() {
return array_merge(
$this->attributes,
array(
'id' => $this->ID(),
'class' => 'tab ' . $this->extraClass()
)
);
}
}