'Boolean(true)' ); private static $defaults = array( 'PublicHistory' => true ); public function updateFieldLabels(&$labels) { $labels['PublicHistory'] = _t('RSSHistory.LABEL', 'Make history public'); } /** * Compile a list of changes to the current page, excluding non-published and explicitly secured versions. * * @param int $highestVersion Top version number to consider. * @param boolean $fullHistory Whether to get the full change history or just the previous version. * * @returns ArrayList List of cleaned records. */ public function getDiffedChanges($highestVersion = null, $fullHistory = true) { // This can leak secured content if it was protected via inherited setting. // For now the users will need to be aware about this shortcoming. $offset = $highestVersion ? "AND \"SiteTree_versions\".\"Version\"<='".(int)$highestVersion."'" : ''; $limit = $fullHistory ? null : 2; $versions = $this->owner->allVersions("\"WasPublished\"='1' AND \"CanViewType\" IN ('Anyone', 'Inherit') $offset", "\"LastEdited\" DESC", $limit); // Process the list to add the comparisons. $changeList = new ArrayList(); $previous = null; $count = 0; foreach ($versions as $version) { $changed = false; if (isset($previous)) { // We have something to compare with. $diff = $this->owner->compareVersions($version->Version, $previous->Version); // Produce the diff fields for use in the template. if ($version->Title != $previous->Title) { $version->DiffTitle = new HTMLText(); $version->DiffTitle->setValue( sprintf( '
%s' . $diff->Title . '
', _t('RSSHistory.TITLECHANGED', 'Title has changed:') ) ); $changed = true; } if ($version->Content != $previous->Content) { $version->DiffContent = new HTMLText(); $version->DiffContent->setValue('
'.$diff->obj('Content')->forTemplate().'
'); $changed = true; } // Copy the link so it can be cached by SS_Cache. $version->GeneratedLink = $version->AbsoluteLink(); } // Omit the versions that haven't been visibly changed (only takes the above fields into consideration). if ($changed) { $changeList->push($version); $count++; } // Store the last version for comparison. $previous = $version; } // Push the first version on to the list - only if we're looking at the full history or if it's the first // version in the version history. if ($previous && ($fullHistory || $versions->count() == 1)) { $first = clone($previous); $first->DiffContent = new HTMLText(); $first->DiffContent->setValue('
' . $first->obj('Content')->forTemplate() . '
'); $changeList->push($first); } return $changeList; } public function updateSettingsFields(FieldList $fields) { // Add public history field. $fields->addFieldToTab('Root.Settings', $publicHistory = new FieldGroup( new CheckboxField('PublicHistory', $this->owner->fieldLabel('PublicHistory') ))); $warning = _t( 'VersionFeed.Warning', "Publicising the history will also disclose the changes that have at the time been protected " . "from the public view." ); $fields->addFieldToTab('Root.Settings', new LiteralField('PublicHistoryWarning', $warning), 'PublicHistory'); if ($this->owner->CanViewType!='Anyone') { $warning = _t( 'VersionFeed.Warning2', "Changing access settings in such a way that this page or pages under it become publicly
" . "accessible may result in publicising all historical changes on these pages too. Please review
" . "this section's \"Public history\" settings to ascertain only intended information is disclosed." ); $fields->addFieldToTab('Root.Settings', new LiteralField('PublicHistoryWarning2', $warning), 'CanViewType'); } } public function getSiteRSSLink() { // TODO: This link should be from the homepage, not this page. return $this->owner->Link('allchanges'); } public function getDefaultRSSLink() { if ($this->owner->PublicHistory) return $this->owner->Link('changes'); } }