mirror of
https://github.com/silverstripe/silverstripe-cms
synced 2024-10-22 08:05:56 +02:00
421 lines
12 KiB
PHP
421 lines
12 KiB
PHP
<?php
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/**
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* @package cms
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* @subpackage controllers
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*/
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class CMSPageHistoryController extends CMSMain {
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private static $url_segment = 'pages/history';
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private static $url_rule = '/$Action/$ID/$VersionID/$OtherVersionID';
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private static $url_priority = 42;
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private static $menu_title = 'History';
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private static $required_permission_codes = 'CMS_ACCESS_CMSMain';
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private static $session_namespace = 'CMSMain';
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private static $allowed_actions = array(
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'VersionsForm',
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'CompareVersionsForm',
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'show',
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'compare'
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);
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private static $url_handlers = array(
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'$Action/$ID/$VersionID/$OtherVersionID' => 'handleAction'
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);
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public function getResponseNegotiator() {
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$negotiator = parent::getResponseNegotiator();
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$controller = $this;
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$negotiator->setCallback('CurrentForm', function() use(&$controller) {
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$form = $controller->ShowVersionForm($controller->getRequest()->param('VersionID'));
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if($form) return $form->forTemplate();
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else return $controller->renderWith($controller->getTemplatesWithSuffix('_Content'));
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});
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$negotiator->setCallback('default', function() use(&$controller) {
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return $controller->renderWith($controller->getViewer('show'));
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});
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return $negotiator;
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}
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/**
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* @return array
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*/
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public function show($request) {
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$form = $this->ShowVersionForm($request->param('VersionID'));
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$negotiator = $this->getResponseNegotiator();
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$controller = $this;
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$negotiator->setCallback('CurrentForm', function() use(&$controller, &$form) {
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return $form ? $form->forTemplate() : $controller->renderWith($controller->getTemplatesWithSuffix('_Content'));
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});
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$negotiator->setCallback('default', function() use(&$controller, &$form) {
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return $controller->customise(array('EditForm' => $form))->renderWith($controller->getViewer('show'));
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});
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return $negotiator->respond($request);
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}
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/**
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* @return array
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*/
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public function compare($request) {
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$form = $this->CompareVersionsForm(
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$request->param('VersionID'),
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$request->param('OtherVersionID')
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);
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$negotiator = $this->getResponseNegotiator();
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$controller = $this;
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$negotiator->setCallback('CurrentForm', function() use(&$controller, &$form) {
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return $form ? $form->forTemplate() : $controller->renderWith($controller->getTemplatesWithSuffix('_Content'));
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});
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$negotiator->setCallback('default', function() use(&$controller, &$form) {
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return $controller->customise(array('EditForm' => $form))->renderWith($controller->getViewer('show'));
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});
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return $negotiator->respond($request);
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}
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public function getSilverStripeNavigator() {
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$record = $this->getRecord($this->currentPageID(), $this->request->param('VersionID'));
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if($record) {
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$navigator = new SilverStripeNavigator($record);
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return $navigator->renderWith($this->getTemplatesWithSuffix('_SilverStripeNavigator'));
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} else {
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return false;
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}
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}
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/**
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* Returns the read only version of the edit form. Detaches all {@link FormAction}
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* instances attached since only action relates to revert.
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*
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* Permission checking is done at the {@link CMSMain::getEditForm()} level.
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*
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* @param int $id ID of the record to show
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* @param array $fields optional
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* @param int $versionID
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* @param int $compare Compare mode
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*
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* @return Form
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*/
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public function getEditForm($id = null, $fields = null, $versionID = null, $compareID = null) {
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if(!$id) $id = $this->currentPageID();
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$record = $this->getRecord($id, $versionID);
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$versionID = ($record) ? $record->Version : $versionID;
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$form = parent::getEditForm($record, ($record) ? $record->getCMSFields() : null);
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// Respect permission failures from parent implementation
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if(!($form instanceof Form)) return $form;
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// TODO: move to the SilverStripeNavigator structure so the new preview can pick it up.
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//$nav = new SilverStripeNavigatorItem_ArchiveLink($record);
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$form->setActions(new FieldList(
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$revert = FormAction::create('doRollback', _t('CMSPageHistoryController.REVERTTOTHISVERSION', 'Revert to this version'))->setUseButtonTag(true)
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));
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$fields = $form->Fields();
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$fields->removeByName("Status");
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$fields->push(new HiddenField("ID"));
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$fields->push(new HiddenField("Version"));
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$fields = $fields->makeReadonly();
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if($compareID) {
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$link = Controller::join_links(
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$this->Link('show'),
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$id
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);
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$view = _t('CMSPageHistoryController.VIEW',"view");
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$message = _t(
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'CMSPageHistoryController.COMPARINGVERSION',
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"Comparing versions {version1} and {version2}.",
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array(
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'version1' => sprintf('%s (<a href="%s">%s</a>)', $versionID, Controller::join_links($link, $versionID), $view),
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'version2' => sprintf('%s (<a href="%s">%s</a>)', $compareID, Controller::join_links($link, $compareID), $view)
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)
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);
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$revert->setReadonly(true);
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} else {
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if($record->isLatestVersion()) {
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$message = _t('CMSPageHistoryController.VIEWINGLATEST', 'Currently viewing the latest version.');
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} else {
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$message = _t(
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'CMSPageHistoryController.VIEWINGVERSION',
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"Currently viewing version {version}.",
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array('version' => $versionID)
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);
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}
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}
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$fields->addFieldToTab('Root.Main',
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new LiteralField('CurrentlyViewingMessage', $this->customise(array(
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'Content' => $message,
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'Classes' => 'notice'
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))->renderWith(array('CMSMain_notice'))),
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"Title"
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);
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$form->setFields($fields->makeReadonly());
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$form->loadDataFrom(array(
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"ID" => $id,
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"Version" => $versionID,
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));
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if(($record && $record->isLatestVersion())) {
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$revert->setReadonly(true);
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}
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$form->removeExtraClass('cms-content');
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return $form;
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}
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/**
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* Version select form. Main interface between selecting versions to view
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* and comparing multiple versions.
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*
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* Because we can reload the page directly to a compare view (history/compare/1/2/3)
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* this form has to adapt to those parameters as well.
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*
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* @return Form
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*/
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public function VersionsForm() {
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$id = $this->currentPageID();
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$page = $this->getRecord($id);
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$versionsHtml = '';
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$action = $this->request->param('Action');
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$versionID = $this->request->param('VersionID');
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$otherVersionID = $this->request->param('OtherVersionID');
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$showUnpublishedChecked = 0;
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$compareModeChecked = ($action == "compare");
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if($page) {
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$versions = $page->allVersions();
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$versionID = (!$versionID) ? $page->Version : $versionID;
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if($versions) {
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foreach($versions as $k => $version) {
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$active = false;
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if($version->Version == $versionID || $version->Version == $otherVersionID) {
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$active = true;
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if(!$version->WasPublished) $showUnpublishedChecked = 1;
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}
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$version->Active = ($active);
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}
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}
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$vd = new ViewableData();
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$versionsHtml = $vd->customise(array(
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'Versions' => $versions
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))->renderWith('CMSPageHistoryController_versions');
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}
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$fields = new FieldList(
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new CheckboxField(
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'ShowUnpublished',
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_t('CMSPageHistoryController.SHOWUNPUBLISHED','Show unpublished versions'),
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$showUnpublishedChecked
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),
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new CheckboxField(
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'CompareMode',
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_t('CMSPageHistoryController.COMPAREMODE', 'Compare mode (select two)'),
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$compareModeChecked
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),
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new LiteralField('VersionsHtml', $versionsHtml),
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$hiddenID = new HiddenField('ID', false, "")
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);
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$actions = new FieldList(
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new FormAction(
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'doCompare', _t('CMSPageHistoryController.COMPAREVERSIONS','Compare Versions')
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),
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new FormAction(
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'doShowVersion', _t('CMSPageHistoryController.SHOWVERSION','Show Version')
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)
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);
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// Use <button> to allow full jQuery UI styling
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foreach($actions->dataFields() as $action) $action->setUseButtonTag(true);
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$form = new Form(
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$this,
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'VersionsForm',
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$fields,
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$actions
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);
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$form->loadDataFrom($this->request->requestVars());
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$hiddenID->setValue($id);
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$form->unsetValidator();
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$form
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->addExtraClass('cms-versions-form') // placeholder, necessary for $.metadata() to work
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->setAttribute('data-link-tmpl-compare', Controller::join_links($this->Link('compare'), '%s', '%s', '%s'))
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->setAttribute('data-link-tmpl-show', Controller::join_links($this->Link('show'), '%s', '%s'));
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return $form;
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}
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/**
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* Process the {@link VersionsForm} compare function between two pages.
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*
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* @param array
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* @param Form
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*
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* @return html
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*/
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public function doCompare($data, $form) {
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$versions = $data['Versions'];
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if(count($versions) < 2) return null;
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$id = $this->currentPageID();
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$version1 = array_shift($versions);
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$version2 = array_shift($versions);
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$form = $this->CompareVersionsForm($version1, $version2);
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// javascript solution, render into template
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if($this->request->isAjax()) {
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return $this->customise(array(
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"EditForm" => $form
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))->renderWith(array(
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$this->class . '_EditForm',
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'LeftAndMain_Content'
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));
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}
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// non javascript, redirect the user to the page
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$this->redirect(Controller::join_links(
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$this->Link('compare'),
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$version1,
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$version2
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));
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}
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/**
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* Process the {@link VersionsForm} show version function. Only requires
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* one page to be selected.
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*
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* @param array
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* @param Form
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*
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* @return html
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*/
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public function doShowVersion($data, $form) {
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$versionID = null;
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if(isset($data['Versions']) && is_array($data['Versions'])) {
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$versionID = array_shift($data['Versions']);
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}
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if(!$versionID) return;
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if($request->isAjax()) {
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return $this->customise(array(
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"EditForm" => $this->ShowVersionForm($versionID)
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))->renderWith(array(
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$this->class . '_EditForm',
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'LeftAndMain_Content'
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));
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}
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// non javascript, redirect the user to the page
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$this->redirect(Controller::join_links(
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$this->Link('version'),
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$versionID
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));
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}
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/**
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* @return Form
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*/
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public function ShowVersionForm($versionID = null) {
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if(!$versionID) return null;
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$id = $this->currentPageID();
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$form = $this->getEditForm($id, null, $versionID);
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return $form;
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}
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/**
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* @return Form
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*/
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public function CompareVersionsForm($versionID, $otherVersionID) {
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if($versionID > $otherVersionID) {
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$toVersion = $versionID;
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$fromVersion = $otherVersionID;
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} else {
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$toVersion = $otherVersionID;
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$fromVersion = $versionID;
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}
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if(!$toVersion || !$toVersion) return false;
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$id = $this->currentPageID();
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$page = DataObject::get_by_id("SiteTree", $id);
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if($page && !$page->canView()) {
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return Security::permissionFailure($this);
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}
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$record = $page->compareVersions($fromVersion, $toVersion);
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$fromVersionRecord = Versioned::get_version('SiteTree', $id, $fromVersion);
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$toVersionRecord = Versioned::get_version('SiteTree', $id, $toVersion);
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if(!$fromVersionRecord) {
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user_error("Can't find version $fromVersion of page $id", E_USER_ERROR);
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}
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if(!$toVersionRecord) {
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user_error("Can't find version $toVersion of page $id", E_USER_ERROR);
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}
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if($record) {
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$form = $this->getEditForm($id, null, null, true);
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$form->setActions(new FieldList());
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$form->addExtraClass('compare');
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// Comparison views shouldn't be editable.
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// Its important to convert fields *before* loading data,
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// as the comparison output is HTML and not valid values for the various field types
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$readonlyFields = $form->Fields()->makeReadonly();
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$form->setFields($readonlyFields);
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$form->loadDataFrom($record);
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$form->loadDataFrom(array(
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"ID" => $id,
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"Version" => $fromVersion,
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));
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foreach($form->Fields()->dataFields() as $field) {
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$field->dontEscape = true;
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}
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return $form;
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}
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}
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public function Breadcrumbs($unlinked = false) {
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$crumbs = parent::Breadcrumbs($unlinked);
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$crumbs[0]->Title = _t('CMSPagesController.MENUTITLE');
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return $crumbs;
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}
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}
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