424 lines
10 KiB
PHP
424 lines
10 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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static $url_segment = 'page/history';
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static $url_rule = '/$Action/$ID/$VersionID/$OtherVersionID';
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static $url_priority = 42;
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static $menu_title = 'History';
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static $allowed_actions = array(
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'VersionsForm',
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'compare'
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);
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public static $url_handlers = array(
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'$Action/$ID/$VersionID/$OtherVersionID' => 'handleAction'
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);
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/**
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* @return array
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*/
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function show($request) {
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$form = $this->ShowVersionForm(
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$request->param('VersionID')
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);
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if($this->isAjax()) {
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$content = $form->forTemplate();
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} else {
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$content = $this->customise(array('EditForm' => $form))->renderWith($this->getViewer('show'));
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}
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return $content;
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}
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/**
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* @return array
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*/
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function compare($request) {
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$form = $this->CompareVersionsForm(
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$request->param('VersionID'),
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$request->param('OtherVersionID')
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);
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if($this->isAjax()) {
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$content = $form->forTemplate();
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} else {
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$content = $this->customise(array('EditForm' => $form))->renderWith($this->getViewer('show'));
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}
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return $content;
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}
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/**
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* @return array
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*/
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function rollback() {
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return $this->doRollback(array(
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'ID' => $this->currentPageID(),
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'Version' => $this->request->param('VersionID')
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), null);
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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 $compare Compare mode
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*
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* @return Form
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*/
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function getEditForm($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) ? $record->getCMSFields() : null);
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$form->setActions(new FieldSet(
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$revert = new FormAction('doRollback', _t('CMSPageHistoryController.REVERTTOTHISVERSION', 'Revert to this version'))
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));
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$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 = $fields->makeReadonly();
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foreach($fields->dataFields() as $field) {
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$field->dontEscape = true;
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$field->reserveNL = true;
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}
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if($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 = sprintf(
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_t('CMSPageHistoryController.COMPARINGVERSION',"Comparing versions %s and %s."),
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sprintf('%s (<a href="%s">%s</a>)', $versionID, Controller::join_links($link, $versionID), $view),
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sprintf('%s (<a href="%s">%s</a>)', $compareID, Controller::join_links($link, $compareID), $view)
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);
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$revert->setReadonly(true);
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}
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else {
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$message = sprintf(
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_t('CMSPageHistoryController.VIEWINGVERSION',"Currently viewing version %s."), $versionID
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);
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}
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$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 $form;
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}
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/**
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* Version select form. Main interface between selecting versions to view
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* and comparing multiple versions.
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*
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* Because we can reload the page directly to a compare view (history/compare/1/2/3)
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* this form has to adapt to those parameters as well.
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*
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* @return Form
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*/
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function VersionsForm() {
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$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' => $versions
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))->renderWith('CMSPageHistoryController_versions');
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}
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$form = new Form(
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$this,
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'VersionsForm',
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new FieldSet(
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new CheckboxField(
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'ShowUnpublished',
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_t('CMSPageHistoryController.SHOWUNPUBLISHED','Show unpublished versions'),
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$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'),
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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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new FieldSet(
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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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);
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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->addExtraClass('cms-versions-form'); // placeholder, necessary for $.metadata() to work
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$form->addExtraClass(Convert::raw2json(array(
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'link-tmpl-compare' => Controller::join_links($this->Link('compare'), '%s', '%s', '%s'),
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'link-tmpl-show' => Controller::join_links($this->Link('show'), '%s', '%s'),
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)));
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return $form;
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}
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/**
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* Process the {@link VersionsForm} compare function between two pages.
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*
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* @param array
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* @param Form
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*
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* @return html
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*/
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function doCompare($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->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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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(!$versionID) return;
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if($this->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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* Rolls a site back to a given version ID
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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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function doRollback($data, $form) {
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$this->extend('onBeforeRollback', $data['ID']);
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$id = (isset($data['ID'])) ? (int) $data['ID'] : null;
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$version = (isset($data['Version'])) ? (int) $data['Version'] : null;
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if(isset($data['Version']) && (bool)$data['Version']) {
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$record = $this->performRollback($data['ID'], $data['Version']);
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$message = sprintf(
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_t('CMSMain.ROLLEDBACKVERSION',"Rolled back to version #%d. New version number is #%d"),
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$data['Version'],
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$record->Version
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);
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} else {
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$record = $this->performRollback($data['ID'], "Live");
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$message = sprintf(
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_t('CMSMain.ROLLEDBACKPUB',"Rolled back to published version. New version number is #%d"),
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$record->Version
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);
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}
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if($this->isAjax()) {
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$this->response->addHeader('X-Status', $message);
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$form = $this->getEditForm($record->ID);
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return $form->forTemplate();
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}
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return array(
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'EditForm' => $this->customise(array(
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'Message' => $message,
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'Status' => 'success'
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))->renderWith('CMSMain_notice')
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);
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}
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/**
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* Performs a rollback of the a given
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*
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* @param int $id record ID
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* @param int $version version ID to rollback to
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*/
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function performRollback($id, $version) {
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$record = DataObject::get_by_id($this->stat('tree_class'), $id);
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if($record && !$record->canEdit()) return Security::permissionFailure($this);
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$record->doRollbackTo($version);
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return $record;
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}
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/**
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* @return Form
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*/
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function ShowVersionForm($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 $form;
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}
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/**
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* @return Form
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*/
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function CompareVersionsForm($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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$form->setActions(new FieldSet());
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$form->loadDataFrom($record);
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$form->loadDataFrom(array(
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"ID" => $id,
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"Version" => $fromVersion,
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));
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$form->addExtraClass('compare');
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return $form;
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}
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}
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} |