silverstripe-framework/forms/CheckboxField.php

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<?php
/**
* Single checkbox field.
* @package forms
* @subpackage fields-basic
*/
class CheckboxField extends FormField {
protected $disabled;
function setValue($value) {
$this->value = ($value) ? 1 : 0;
}
function dataValue() {
return ($this->value) ? 1 : 0;
}
function Value() {
return ($this->value) ? 1 : 0;
}
function Field() {
$attributes = array(
'type' => 'checkbox',
'class' => ($this->extraClass() ? $this->extraClass() : ''),
'id' => $this->id(),
'name' => $this->Name(),
'value' => 1,
'checked' => $this->value ? 'checked' : '',
'tabindex' => $this->getTabIndex()
);
if($this->disabled) $attributes['disabled'] = 'disabled';
return $this->createTag('input', $attributes);
}
/**
* Checkboxes use the RightLabelledFieldHolder template, to put the field on the left
* and the label on the right. See {@link FormField::FieldHolder} for more information about
* how FieldHolder works.
*/
function FieldHolder() {
if($this->labelLeft) {
return parent::FieldHolder();
} else {
extract($this->getXMLValues(array( 'Name', 'Field', 'Title', 'Message', 'MessageType' )),
EXTR_SKIP);
$messageBlock = isset($Message) ? "<span class=\"message $MessageType\">$Message</span>" : '';
$Type = $this->XML_val('Type');
$extraClass = $this->XML_val('extraClass');
return <<<HTML
<p id="$Name" class="field $Type $extraClass">
$Field
<label class="right" for="{$this->id()}">$Title</label>
$messageBlock
</p>
HTML;
}
}
function useLabelLeft( $labelLeft = true ) {
$this->labelLeft = $labelLeft;
}
/**
* Returns a restricted field holder used within things like FieldGroups
*/
function SmallFieldHolder() {
$result = $this->Field();
if($t = $this->Title()) {
$result .= "<label for=\"" . $this->id() ."\">$t</label> ";
}
return $result;
}
/**
* Returns a readonly version of this field
*/
function performReadonlyTransformation() {
$field = new CheckboxField_Readonly($this->name, $this->title, $this->value ? _t('CheckboxField.YES', 'Yes') : _t('CheckboxField.NO', 'No'));
$field->setForm($this->form);
return $field;
}
function performDisabledTransformation() {
$clone = clone $this;
$clone->setDisabled(true);
return $clone;
}
}
/**
* Readonly version of a checkbox field - "Yes" or "No".
* @package forms
* @subpackage fields-basic
*/
class CheckboxField_Readonly extends ReadonlyField {
function performReadonlyTransformation() {
return clone $this;
}
function setValue($val) {
$this->value = (int)($val) ? _t('CheckboxField.YES', 'Yes') : _t('CheckboxField.NO', 'No');
}
}
/**
* Single checkbox field, disabled
* @package forms
* @subpackage fields-basic
*/
class CheckboxField_Disabled extends CheckboxField {
protected $disabled = true;
/**
* Returns a single checkbox field - used by templates.
*/
function Field() {
$attributes = array(
'type' => 'checkbox',
'class' => ($this->extraClass() ? $this->extraClass() : ''),
'id' => $this->id(),
'name' => $this->Name(),
'tabindex' => $this->getTabIndex(),
'checked' => ($this->value) ? 'checked' : false,
'disabled' => 'disabled'
);
return $this->createTag('input', $attributes);
}
}
?>