/**
* Execute the action
*/
public function execute()
{
// get parameters
$this->id = $this->getParameter('id', 'int');
// does the item exist
if ($this->id !== null && BackendExtensionsModel::existsTemplate($this->id)) {
// call parent, this will probably add some general CSS/JS or other required files
parent::execute();
// init var
$success = false;
// get template (we need the title)
$item = BackendExtensionsModel::getTemplate($this->id);
// valid template?
if (!empty($item)) {
// delete the page
$success = BackendExtensionsModel::deleteTemplate($this->id);
// trigger event
BackendModel::triggerEvent($this->getModule(), 'after_delete_template', array('id' => $this->id));
}
// page is deleted, so redirect to the overview
if ($success) {
$this->redirect(BackendModel::createURLForAction('theme_templates') . '&theme=' . $item['theme'] . '&report=deleted-template&var=' . urlencode($item['label']));
} else {
$this->redirect(BackendModel::createURLForAction('theme_templates') . '&error=non-existing');
}
} else {
$this->redirect(BackendModel::createURLForAction('theme_templates') . '&error=non-existing');
}
}
/**
* Load the record
*/
private function loadData()
{
// get record
$this->id = $this->getParameter('id', 'int');
// validate id
if ($this->id === null || !BackendExtensionsModel::existsTemplate($this->id)) {
$this->redirect(BackendModel::createURLForAction('theme_templates') . '&error=non-existing');
}
// get the record
$this->record = BackendExtensionsModel::getTemplate($this->id);
// unserialize
$this->record['data'] = unserialize($this->record['data']);
$this->names = $this->record['data']['names'];
if (isset($this->record['data']['default_extras_' . BL::getWorkingLanguage()])) {
$this->extras = $this->record['data']['default_extras_' . BL::getWorkingLanguage()];
} elseif (isset($this->record['data']['default_extras'])) {
$this->extras = $this->record['data']['default_extras'];
}
// assign
$this->tpl->assign('template', $this->record);
// is the template being used
$inUse = BackendExtensionsModel::isTemplateInUse($this->id);
// determine if deleting is allowed
$deleteAllowed = true;
if ($this->record['id'] == BackendModel::getModuleSetting('pages', 'default_template')) {
$deleteAllowed = false;
} elseif (count(BackendExtensionsModel::getTemplates()) == 1) {
$deleteAllowed = false;
} elseif ($inUse) {
$deleteAllowed = false;
} elseif (!BackendAuthentication::isAllowedAction('delete_theme_template')) {
$deleteAllowed = false;
}
// assign
$this->tpl->assign('inUse', $inUse);
$this->tpl->assign('showExtensionsDeleteThemeTemplate', $deleteAllowed);
}
/**
* Switch templates for all existing pages
*
* @param int $oldTemplateId The id of the new template to replace.
* @param int $newTemplateId The id of the new template to use.
* @param bool[optional] $overwrite Overwrite all pages with default blocks.
*/
public static function updatePagesTemplates($oldTemplateId, $newTemplateId, $overwrite = false)
{
$newTemplateId = (int) $newTemplateId;
$oldTemplateId = (int) $oldTemplateId;
$overwrite = (bool) $overwrite;
// fetch new template data
$newTemplate = BackendExtensionsModel::getTemplate($newTemplateId);
$newTemplate['data'] = @unserialize($newTemplate['data']);
// fetch all pages
$pages = (array) BackendModel::getDB()->getRecords('SELECT *
FROM pages
WHERE template_id = ? AND status IN (?, ?)', array($oldTemplateId, 'active', 'draft'));
// there is no active/draft page with the old template id
if (empty($pages)) {
return;
}
// loop pages
foreach ($pages as $page) {
// fetch blocks
$blocksContent = BackendPagesModel::getBlocks($page['id'], $page['revision_id'], $page['language']);
// unset revision id
unset($page['revision_id']);
// change template
$page['template_id'] = $newTemplateId;
// save new page revision
$page['revision_id'] = BackendPagesModel::update($page);
// overwrite all blocks with current defaults
if ($overwrite) {
// init var
$blocksContent = array();
// fetch default blocks for this page
$defaultBlocks = array();
if (isset($newTemplate['data']['default_extras_' . $page['language']])) {
$defaultBlocks = $newTemplate['data']['default_extras_' . $page['language']];
} elseif (isset($newTemplate['data']['default_extras'])) {
$defaultBlocks = $newTemplate['data']['default_extras'];
}
// loop positions
foreach ($defaultBlocks as $position => $blocks) {
// loop blocks
foreach ($blocks as $extraId) {
// build block
$block = array();
$block['revision_id'] = $page['revision_id'];
$block['position'] = $position;
$block['extra_id'] = $extraId;
$block['html'] = '';
$block['created_on'] = BackendModel::getUTCDate();
$block['edited_on'] = $block['created_on'];
$block['visible'] = 'Y';
$block['sequence'] = count($defaultBlocks[$position]) - 1;
// add to the list
$blocksContent[] = $block;
}
}
} else {
// set new page revision id
foreach ($blocksContent as &$block) {
$block['revision_id'] = $page['revision_id'];
}
}
// insert the blocks
BackendPagesModel::insertBlocks($blocksContent);
}
}