/
CMSPageHistoryController.php
505 lines (426 loc) · 12.8 KB
/
CMSPageHistoryController.php
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<?php
/**
* @package cms
* @subpackage controllers
*/
class CMSPageHistoryController extends CMSMain {
private static $url_segment = 'pages/history';
private static $url_rule = '/$Action/$ID/$VersionID/$OtherVersionID';
private static $url_priority = 42;
private static $menu_title = 'History';
private static $required_permission_codes = 'CMS_ACCESS_CMSMain';
private static $session_namespace = 'CMSMain';
private static $allowed_actions = array(
'EditForm',
'VersionsForm',
'CompareVersionsForm',
'show',
'compare'
);
private static $url_handlers = array(
'EditForm/$ID/$VersionID' => 'EditForm',
'$Action/$ID/$VersionID/$OtherVersionID' => 'handleAction',
);
/**
* Current version ID for this request. Can be 0 for latest version
*
* @var int
*/
protected $versionID = null;
public function getResponseNegotiator() {
$negotiator = parent::getResponseNegotiator();
$controller = $this;
$negotiator->setCallback('CurrentForm', function() use(&$controller) {
$form = $controller->getEditForm();
if ($form) {
return $form->forTemplate();
} else {
return $controller->renderWith($controller->getTemplatesWithSuffix('_Content'));
}
});
$negotiator->setCallback('default', function() use(&$controller) {
return $controller->renderWith($controller->getViewer('show'));
});
return $negotiator;
}
/**
* @param SS_HTTPRequest $request
* @return SS_HTTPResponse
*/
public function show($request) {
// Record id and version for this request
$id = $request->param('ID');
$this->setCurrentPageID($id);
$versionID = $request->param('VersionID');
$this->setVersionID($versionID);
$form = $this->getEditForm();
$negotiator = $this->getResponseNegotiator();
$controller = $this;
$negotiator->setCallback('CurrentForm', function() use(&$controller, &$form) {
return $form
? $form->forTemplate()
: $controller->renderWith($controller->getTemplatesWithSuffix('_Content'));
});
$negotiator->setCallback('default', function() use(&$controller, &$form) {
return $controller
->customise(array('EditForm' => $form))
->renderWith($controller->getViewer('show'));
});
return $negotiator->respond($request);
}
/**
* @param SS_HTTPRequest $request
* @return SS_HTTPResponse
*/
public function compare($request) {
$id = $request->param('ID');
$this->setCurrentPageID($id);
$form = $this->CompareVersionsForm(
$request->param('VersionID'),
$request->param('OtherVersionID')
);
$negotiator = $this->getResponseNegotiator();
$controller = $this;
$negotiator->setCallback('CurrentForm', function() use(&$controller, &$form) {
return $form
? $form->forTemplate()
: $controller->renderWith($controller->getTemplatesWithSuffix('_Content'));
});
$negotiator->setCallback('default', function() use(&$controller, &$form) {
return $controller
->customise(array('EditForm' => $form))
->renderWith($controller->getViewer('show'));
});
return $negotiator->respond($request);
}
public function getSilverStripeNavigator() {
$record = $this->getRecord($this->currentPageID(), $this->getRequest()->param('VersionID'));
if($record) {
$navigator = new SilverStripeNavigator($record);
return $navigator->renderWith($this->getTemplatesWithSuffix('_SilverStripeNavigator'));
} else {
return false;
}
}
/**
* @param SS_HTTPRequest $request
* @return Form
*/
public function EditForm($request = null) {
if ($request) {
// Validate VersionID is present
$versionID = $request->param('VersionID');
if (!isset($versionID)) {
$this->httpError(400);
return null;
}
$this->setVersionID($versionID);
}
return parent::EditForm($request);
}
/**
* Returns the read only version of the edit form. Detaches all {@link FormAction}
* instances attached since only action relates to revert.
*
* Permission checking is done at the {@link CMSMain::getEditForm()} level.
*
* @param int $id ID of the record to show
* @param array $fields optional
* @param int $versionID
* @param int $compareID Compare mode
*
* @return Form
*/
public function getEditForm($id = null, $fields = null, $versionID = null, $compareID = null) {
if (!$id) {
$id = $this->currentPageID();
}
if (!$versionID) {
$versionID = $this->getVersionID();
}
$record = $this->getRecord($id, $versionID);
if (!$record) {
return $this->EmptyForm();
}
// Refresh version ID
$versionID = $record->Version;
$this->setVersionID($versionID);
// Get edit form
$form = parent::getEditForm($record, $record->getCMSFields());
// Respect permission failures from parent implementation
if (!($form instanceof Form)) {
return $form;
}
// TODO: move to the SilverStripeNavigator structure so the new preview can pick it up.
//$nav = new SilverStripeNavigatorItem_ArchiveLink($record);
$actions = new FieldList(
$revert = FormAction::create(
'doRollback',
_t('CMSPageHistoryController.REVERTTOTHISVERSION', 'Revert to this version')
)->setUseButtonTag(true)
);
$actions->setForm($form);
$form->setActions($actions);
$fields = $form->Fields();
$fields->removeByName("Status");
$fields->push(new HiddenField("ID"));
$fields->push(new HiddenField("Version"));
$fields = $fields->makeReadonly();
if($compareID) {
$link = Controller::join_links(
$this->Link('show'),
$id
);
$view = _t('CMSPageHistoryController.VIEW',"view");
$message = _t(
'CMSPageHistoryController.COMPARINGVERSION',
"Comparing versions {version1} and {version2}.",
array(
'version1' => sprintf('%s (<a href="%s">%s</a>)', $versionID, Controller::join_links($link, $versionID), $view),
'version2' => sprintf('%s (<a href="%s">%s</a>)', $compareID, Controller::join_links($link, $compareID), $view)
)
);
$revert->setReadonly(true);
} else {
if($record->isLatestVersion()) {
$message = _t('CMSPageHistoryController.VIEWINGLATEST', 'Currently viewing the latest version.');
} else {
$message = _t(
'CMSPageHistoryController.VIEWINGVERSION',
"Currently viewing version {version}.",
array('version' => $versionID)
);
}
}
$fields->addFieldToTab('Root.Main',
new LiteralField('CurrentlyViewingMessage', $this->customise(array(
'Content' => $message,
'Classes' => 'notice'
))->renderWith(array('CMSMain_notice'))),
"Title"
);
$form->setFields($fields->makeReadonly());
$form->loadDataFrom(array(
"ID" => $id,
"Version" => $versionID,
));
if ($record->isLatestVersion()) {
$revert->setReadonly(true);
}
$form->removeExtraClass('cms-content');
$form->setFormAction(Controller::join_links(
$this->Link(),
$form->getName(),
$id,
$versionID
));
return $form;
}
/**
* Version select form. Main interface between selecting versions to view
* and comparing multiple versions.
*
* Because we can reload the page directly to a compare view (history/compare/1/2/3)
* this form has to adapt to those parameters as well.
*
* @return Form
*/
public function VersionsForm() {
$id = $this->currentPageID();
$page = $this->getRecord($id);
$versionsHtml = '';
$action = $this->getRequest()->param('Action');
$versionID = $this->getRequest()->param('VersionID');
$otherVersionID = $this->getRequest()->param('OtherVersionID');
$showUnpublishedChecked = 0;
$compareModeChecked = ($action == "compare");
if($page) {
$versions = $page->allVersions();
$versionID = (!$versionID) ? $page->Version : $versionID;
if($versions) {
foreach($versions as $k => $version) {
$active = false;
if($version->Version == $versionID || $version->Version == $otherVersionID) {
$active = true;
if(!$version->WasPublished) $showUnpublishedChecked = 1;
}
$version->Active = ($active);
}
}
$vd = new ViewableData();
$versionsHtml = $vd->customise(array(
'Versions' => $versions
))->renderWith('CMSPageHistoryController_versions');
}
$fields = new FieldList(
new CheckboxField(
'ShowUnpublished',
_t('CMSPageHistoryController.SHOWUNPUBLISHED','Show unpublished versions'),
$showUnpublishedChecked
),
new CheckboxField(
'CompareMode',
_t('CMSPageHistoryController.COMPAREMODE', 'Compare mode (select two)'),
$compareModeChecked
),
new LiteralField('VersionsHtml', $versionsHtml),
$hiddenID = new HiddenField('ID', false, "")
);
$form = CMSForm::create(
$this,
'VersionsForm',
$fields,
new FieldList()
)->setHTMLID('Form_VersionsForm');
$form->setResponseNegotiator($this->getResponseNegotiator());
$form->loadDataFrom($this->getRequest()->requestVars());
$hiddenID->setValue($id);
$form->unsetValidator();
$form
->addExtraClass('cms-versions-form') // placeholder, necessary for $.metadata() to work
->setAttribute('data-link-tmpl-compare', Controller::join_links($this->Link('compare'), '%s', '%s', '%s'))
->setAttribute('data-link-tmpl-show', Controller::join_links($this->Link('show'), '%s', '%s'));
return $form;
}
/**
* Process the {@link VersionsForm} compare function between two pages.
*
* @param array
* @param Form
*
* @return html
*/
public function doCompare($data, $form) {
$versions = $data['Versions'];
if(count($versions) < 2) return null;
$id = $this->currentPageID();
$version1 = array_shift($versions);
$version2 = array_shift($versions);
$form = $this->CompareVersionsForm($version1, $version2);
// javascript solution, render into template
if($this->getRequest()->isAjax()) {
return $this->customise(array(
"EditForm" => $form
))->renderWith(array(
$this->class . '_EditForm',
'LeftAndMain_Content'
));
}
// non javascript, redirect the user to the page
$this->redirect(Controller::join_links(
$this->Link('compare'),
$version1,
$version2
));
}
/**
* Process the {@link VersionsForm} show version function. Only requires
* one page to be selected.
*
* @param array
* @param Form
*
* @return html
*/
public function doShowVersion($data, $form) {
$versionID = null;
if(isset($data['Versions']) && is_array($data['Versions'])) {
$versionID = array_shift($data['Versions']);
}
if(!$versionID) return;
if($request->isAjax()) {
return $this->customise(array(
"EditForm" => $this->ShowVersionForm($versionID)
))->renderWith(array(
$this->class . '_EditForm',
'LeftAndMain_Content'
));
}
// non javascript, redirect the user to the page
$this->redirect(Controller::join_links(
$this->Link('version'),
$versionID
));
}
/**
* @param int|null $versionID
* @return Form
*/
public function ShowVersionForm($versionID = null) {
if(!$versionID) return null;
$id = $this->currentPageID();
$form = $this->getEditForm($id, null, $versionID);
return $form;
}
/**
* @param int $versionID
* @param int $otherVersionID
* @return mixed
*/
public function CompareVersionsForm($versionID, $otherVersionID) {
if($versionID > $otherVersionID) {
$toVersion = $versionID;
$fromVersion = $otherVersionID;
} else {
$toVersion = $otherVersionID;
$fromVersion = $versionID;
}
if(!$toVersion || !$fromVersion) return false;
$id = $this->currentPageID();
$page = DataObject::get_by_id("SiteTree", $id);
if($page && $page->exists()) {
if(!$page->canView()) {
return Security::permissionFailure($this);
}
$record = $page->compareVersions($fromVersion, $toVersion);
}
$fromVersionRecord = Versioned::get_version('SiteTree', $id, $fromVersion);
$toVersionRecord = Versioned::get_version('SiteTree', $id, $toVersion);
if(!$fromVersionRecord) {
user_error("Can't find version $fromVersion of page $id", E_USER_ERROR);
}
if(!$toVersionRecord) {
user_error("Can't find version $toVersion of page $id", E_USER_ERROR);
}
if(isset($record)) {
$form = $this->getEditForm($id, null, $fromVersion, $toVersion);
$form->setActions(new FieldList());
$form->addExtraClass('compare');
// Comparison views shouldn't be editable.
// Its important to convert fields *before* loading data,
// as the comparison output is HTML and not valid values for the various field types
$readonlyFields = $form->Fields()->makeReadonly();
$form->setFields($readonlyFields);
$form->loadDataFrom($record);
$form->loadDataFrom(array(
"ID" => $id,
"Version" => $fromVersion,
));
return $form;
}
return false;
}
public function Breadcrumbs($unlinked = false) {
$crumbs = parent::Breadcrumbs($unlinked);
$crumbs[0]->Title = _t('CMSPagesController.MENUTITLE');
return $crumbs;
}
/**
* Set current version ID
*
* @param int $versionID
* @return $this
*/
public function setVersionID($versionID) {
$this->versionID = $versionID;
return $this;
}
/**
* Get current version ID
*
* @return int
*/
public function getVersionID() {
return $this->versionID;
}
}