322 lines
7.2 KiB
PHP
322 lines
7.2 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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'version',
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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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* @var array
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*/
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function version() {
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return array(
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'EditForm' => $this->ShowVersionForm(
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$this->request->param('ID')
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)
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);
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}
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/**
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* @var array
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*/
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function compare() {
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return array(
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'EditForm' => $this->CompareVersionsForm(
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$this->request->param('VersionID'),
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$this->request->param('OtherVersionID')
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)
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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 {@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 $versionID
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*/
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function getEditForm($id = null, $fields = null, $versionID = null) {
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$record = $this->getRecord($id, $versionID);
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$form = parent::getEditForm($record, ($record) ? $record->getCMSFields() : null);
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$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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}
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$form->setFields($fields->makeReadonly());
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// attach additional information
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$form->loadDataFrom(array(
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"ID" => $id,
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"Version" => $versionID,
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));
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$form->setActions(new FieldSet(
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$revert = new FormAction('doRevert', _t('CMSPageHistoryController.REVERTTOTHISVERSION', 'Revert to this version'))
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));
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$form->removeExtraClass('cms-content');
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return $form;
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}
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/**
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* Compare version selection form. Displays a list of previous versions
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* and options for selecting filters on the version
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*
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* @return Form
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*/
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function VersionsForm() {
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$id = $this->currentPageID();
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$page = $this->getRecord($id);
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$versionsHtml = '';
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if($page) {
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$versions = $page->allVersions();
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if($versions) {
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foreach($versions as $k => $version) {
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$version->CMSLink = sprintf('%s/%s/%s',
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$this->Link('version'),
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$version->ID,
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$version->Version
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);
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}
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}
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$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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),
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new CheckboxField(
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'CompareMode',
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_t('CMSPageHistoryController.COMPAREMODE', 'Compare mode')
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),
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new LiteralField('VersionsHtml', $versionsHtml),
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new HiddenField('ID', false, $id)
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),
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new FieldSet(
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new FormAction(
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'doCompare', _t('CMSPageHistoryController.COMPAREVERSIONS','Compare Versions')
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),
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new FormAction(
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'doShowVersion', _t('CMSPageHistoryController.SHOWVERSION','Show Version')
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)
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)
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);
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$form->loadDataFrom($this->request->requestVars());
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$form->unsetValidator();
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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, $form) {
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//
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}
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/**
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* @return Form
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*/
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function ShowVersionForm($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);
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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 $form;
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}
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}
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/**
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* Roll a page back to a previous version
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*/
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function rollback($data, $form) {
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$this->extend('onBeforeRollback', $data['ID']);
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if(isset($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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$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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} |