PHP SS_Datetime::FormatFromSettings方法代码示例

 public function addVersionViewer(FieldList $fields)
 {
     if ($this->owner->hasExtension('Versioned') || $this->owner->hasExtension('VersionedDataObject')) {
         // Get the object where this function was called for reference purposes
         $object = $this->owner;
         // Get all tabs in the current model admin and prepart to put within a tabset called "Current"
         $current_tabs = $fields->find('Name', 'Root')->Tabs();
         $fields = FieldList::create(TabSet::create("Root", $currenttab = TabSet::create("Current"), $historytab = TabSet::create("History")->addExtraClass("vertical-tabs")));
         // Add all existing tabs to "Current" tabset
         $first = true;
         foreach ($current_tabs as $tab) {
             // If we have the getVersionedState function,
             // add a notice regarding the versioned state to the first tab
             // TODO incorporate VersionedDataObjectState extension into this module
             if ($first && $object->hasMethod('getVersionedState')) {
                 $fields->addFieldToTab("Root.Current." . $tab->title, LiteralField::create('VersionedState', '<div class="message notice"><p>' . $object->getVersionedState() . '</p></div>'));
                 $first = false;
             }
             $fields->addFieldsToTab("Root.Current." . $tab->title, $tab->Fields());
         }
         // Remove any fields that have VersionViewerVisibility turned off
         foreach ($current_tabs as &$tab) {
             foreach ($tab->Fields() as $field) {
                 // echo '<pre>'.$field->Name.' Viewable? '; print_r($field->versionViewerVisibility);
                 if (!$field->versionViewerVisibility && $tab->fieldByName($field->Name)) {
                     $tab->removeByName($field->Name);
                 }
             }
         }
         // die();
         // Also, as of now, Versioned does not track has_many or many_many relationships
         // So find fields relating to those relationships, remove them,
         // and add a message regarding this
         $untracked_msg = "";
         foreach ($current_tabs as &$tab) {
             foreach ($tab->Fields() as $field) {
                 $rel_class = $object->getRelationClass($field->Name);
                 if ($rel_class) {
                     if (in_array($rel_class, $object->has_many()) || in_array($rel_class, $object->many_many())) {
                         if ($tab->fieldByName($field->Name)) {
                             $tab->removeByName($field->Name);
                             if (!$untracked_msg) {
                                 // $untracked_msg = '<div class="message notice"><p>Note: the following relationships are not tracked by versioning because they involve multiple records:<br />';
                                 $untracked_msg = '<p>' . $field->Title();
                             } else {
                                 $untracked_msg .= "<br />" . $field->Title();
                             }
                         }
                     }
                 }
             }
         }
         if ($untracked_msg) {
             $untracked_msg .= '</p>';
         }
         // Get all past versions of this data object and put the relevant data in a set of tabs
         // within a tabset called "History"
         $versions = $object->allVersions();
         foreach ($versions as $version) {
             // Get a record of this version of the object
             $record = Versioned::get_version($object->ClassName, $object->ID, $version->Version);
             // Make a set of read-only fields for use in assembling the History tabs
             $read_fields = $current_tabs->makeReadonly();
             // Make a form using the relevant fields and load it with data from this record
             $form = new Form($object, "old_version", $read_fields, $object->getCMSActions());
             $form->loadDataFrom($record);
             // Add the version number to each field name so we don't have duplicate field names
             if ($form->fields->dataFields()) {
                 foreach ($form->fields->dataFields() as $field) {
                     $field->Name = $field->Name . "version" . $version->Version;
                 }
             }
             // Generate some heading strings describing this version
             $was_published = $version->WasPublished ? "P" : "D";
             $was_published_full = $version->WasPublished ? "Published" : "Saved as draft";
             $publishedby = Member::get()->byId($version->PublisherID);
             $authoredby = Member::get()->byId($version->AuthorID);
             $publisher_heading = "";
             $author_heading = "";
             if ($publishedby) {
                 $publisher_heading = " by " . $publishedby->getName();
             }
             if ($authoredby) {
                 $author_heading = " (Authored by " . $authoredby->getName() . ")";
             }
             $up_date = new SS_Datetime('update');
             $up_date->setValue($version->LastEdited);
             $nice_date = $up_date->FormatFromSettings();
             $tab_title = $version->Version . " - " . $nice_date . " (" . $was_published . ")";
             $latest_version_notice = "";
             if ($version->isLatestVersion()) {
                 $latest_version_notice = " (latest version)";
             }
             $tab_heading = "<div class='message notice'><p><strong>Viewing version " . $version->Version . $latest_version_notice . ".</strong><br>" . $was_published_full . $publisher_heading . " on " . $nice_date . $author_heading . "</p></div>";
             // Add fields to a tab headed with a description of this version
             $fields->addFieldsToTab('Root.History.' . $tab_title, LiteralField::create('versionHeader' . $version->Version, $tab_heading));
             $fields->addFieldsToTab('Root.History.' . $tab_title, $form->fields);
             // Add notice regarding untracked relationships
             if ($untracked_msg) {
                 $fields->addFieldsToTab('Root.History.' . $tab_title, HeaderField::create('untrackedMessageHeader' . $version->Version, 'Note: the relationships listed below are not tracked by versioning because they involve multiple records', 4));
//.........这里部分代码省略.........