silverstripe-cms/code/Forms/SiteTreeURLSegmentField.php
2016-09-09 11:26:24 +12:00

158 lines
3.9 KiB
PHP

<?php
namespace SilverStripe\CMS\Forms;
use SilverStripe\CMS\Model\SiteTree;
use SilverStripe\Control\Controller;
use SilverStripe\Control\HTTPRequest;
use SilverStripe\Core\Convert;
use SilverStripe\Forms\TextField;
use SilverStripe\View\Requirements;
/**
* Used to edit the SiteTree->URLSegment property, and suggest input based on the serverside rules
* defined through {@link SiteTree->generateURLSegment()} and {@link URLSegmentFilter}.
*
* Note: The actual conversion for saving the value takes place in the model layer.
*/
class SiteTreeURLSegmentField extends TextField {
/**
* @var string
*/
protected $helpText, $urlPrefix, $urlSuffix, $defaultUrl;
private static $allowed_actions = array(
'suggest'
);
public function Value() {
return rawurldecode($this->value);
}
public function getAttributes() {
return array_merge(
parent::getAttributes(),
array(
'data-prefix' => $this->getURLPrefix(),
'data-suffix' => '?stage=Stage',
'data-default-url' => $this->getDefaultURL()
)
);
}
public function Field($properties = array()) {
Requirements::javascript(CMS_DIR . '/client/dist/js/SiteTreeURLSegmentField.js');
Requirements::add_i18n_javascript(CMS_DIR . '/client/lang', false, true);
Requirements::css(FRAMEWORK_ADMIN_DIR . '/client/dist/styles/bundle.css');
return parent::Field($properties);
}
/**
* @param HTTPRequest $request
* @return string
*/
public function suggest($request) {
if(!$request->getVar('value')) {
return $this->httpError(405,
_t('SiteTreeURLSegmentField.EMPTY', 'Please enter a URL Segment or click cancel')
);
}
$page = $this->getPage();
// Same logic as SiteTree->onBeforeWrite
$page->URLSegment = $page->generateURLSegment($request->getVar('value'));
$count = 2;
while(!$page->validURLSegment()) {
$page->URLSegment = preg_replace('/-[0-9]+$/', null, $page->URLSegment) . '-' . $count;
$count++;
}
Controller::curr()->getResponse()->addHeader('Content-Type', 'application/json');
return Convert::raw2json(array('value' => $page->URLSegment));
}
/**
* @return SiteTree
*/
public function getPage() {
$idField = $this->getForm()->Fields()->dataFieldByName('ID');
return ($idField && $idField->Value())
? SiteTree::get()->byID($idField->Value())
: SiteTree::singleton();
}
/**
* @param string $string The secondary text to show
* @return $this
*/
public function setHelpText($string){
$this->helpText = $string;
return $this;
}
/**
* @return string the secondary text to show in the template
*/
public function getHelpText(){
return $this->helpText;
}
/**
* @param string $url the url that prefixes the page url segment field
* @return $this
*/
public function setURLPrefix($url){
$this->urlPrefix = $url;
return $this;
}
/**
* @return string the url prefixes the page url segment field to show in template
*/
public function getURLPrefix(){
return $this->urlPrefix;
}
public function getURLSuffix() {
return $this->urlSuffix;
}
/**
* @return string Indicator for UI to respond to changes accurately,
* and auto-update the field value if changes to the default occur.
* Does not set the field default value.
*/
public function getDefaultURL(){
return $this->defaultUrl;
}
public function setDefaultURL($url) {
$this->defaultUrl = $url;
return $this;
}
public function setURLSuffix($suffix) {
$this->urlSuffix = $suffix;
return $this;
}
public function Type() {
return 'text urlsegment';
}
public function getURL() {
return Controller::join_links($this->getURLPrefix(), $this->Value(), $this->getURLSuffix());
}
public function performReadonlyTransformation() {
$newInst = parent::performReadonlyTransformation();
$newInst->helpText = $this->helpText;
$newInst->urlPrefix = $this->urlPrefix;
$newInst->urlSuffix = $this->urlSuffix;
$newInst->defaultUrl = $this->defaultUrl;
return $newInst;
}
}