/**
* Validate the form
*/
private function validateForm()
{
// is the form submitted?
if ($this->frm->isSubmitted()) {
// cleanup the submitted fields, ignore fields that were added by hackers
$this->frm->cleanupFields();
// required fields
$this->frm->getField('file')->isFilled(BL::err('FieldIsRequired'));
$this->frm->getField('label')->isFilled(BL::err('FieldIsRequired'));
$this->frm->getField('format')->isFilled(BL::err('FieldIsRequired'));
// validate syntax
$syntax = trim(str_replace(array("\n", "\r", ' '), '', $this->frm->getField('format')->getValue()));
// init var
$table = BackendExtensionsModel::templateSyntaxToArray($syntax);
// validate the syntax
if ($table === false) {
$this->frm->getField('format')->addError(BL::err('InvalidTemplateSyntax'));
} else {
$html = BackendExtensionsModel::buildTemplateHTML($syntax);
$cellCount = 0;
$first = true;
$errors = array();
// loop rows
foreach ($table as $row) {
// first row defines the cellcount
if ($first) {
$cellCount = count($row);
}
// not same number of cells
if (count($row) != $cellCount) {
// add error
$errors[] = BL::err('InvalidTemplateSyntax');
// stop
break;
}
// doublecheck position names
foreach ($row as $cell) {
// ignore unavailable space
if ($cell != '/') {
// not alphanumeric -> error
if (!in_array($cell, $this->names)) {
$errors[] = sprintf(BL::getError('NonExistingPositionName'), $cell);
} elseif (substr_count($html, '"#position-' . $cell . '"') != 1) {
$errors[] = BL::err('InvalidTemplateSyntax');
}
}
}
// reset
$first = false;
}
// add errors
if ($errors) {
$this->frm->getField('format')->addError(implode('<br />', array_unique($errors)));
}
}
// no errors?
if ($this->frm->isCorrect()) {
// build array
$item['id'] = $this->id;
$item['theme'] = $this->frm->getField('theme')->getValue();
$item['label'] = $this->frm->getField('label')->getValue();
$item['path'] = 'core/layout/templates/' . $this->frm->getField('file')->getValue();
$item['active'] = $this->frm->getField('active')->getChecked() ? 'Y' : 'N';
$item['data']['format'] = trim(str_replace(array("\n", "\r", ' '), '', $this->frm->getField('format')->getValue()));
$item['data']['names'] = $this->names;
$item['data']['default_extras'] = $this->extras;
$item['data']['default_extras_' . BackendLanguage::getWorkingLanguage()] = $this->extras;
// serialize
$item['data'] = serialize($item['data']);
// if this is the default template make the template active
if (BackendModel::getModuleSetting('pages', 'default_template') == $this->record['id']) {
$item['active'] = 'Y';
}
// if the template is in use we can't de-activate it
if (BackendExtensionsModel::isTemplateInUse($item['id'])) {
$item['active'] = 'Y';
}
// insert the item
BackendExtensionsModel::updateTemplate($item);
// trigger event
BackendModel::triggerEvent($this->getModule(), 'after_edit_template', array('item' => $item));
// set default template
if ($this->frm->getField('default')->getChecked() && $item['theme'] == BackendModel::getModuleSetting('core', 'theme', 'core')) {
BackendModel::setModuleSetting('pages', 'default_template', $item['id']);
}
// update all existing pages using this template to add the newly inserted block(s)
if (BackendExtensionsModel::isTemplateInUse($item['id'])) {
BackendPagesModel::updatePagesTemplates($item['id'], $item['id'], $this->frm->getField('overwrite')->getChecked());
}
// everything is saved, so redirect to the overview
$this->redirect(BackendModel::createURLForAction('theme_templates') . '&theme=' . $item['theme'] . '&report=edited-template&var=' . urlencode($item['label']) . '&highlight=row-' . $item['id']);
}
}
}
/**
* Delete a template.
*
* @param int $id The id of the template to delete.
* @return bool
*/
public static function deleteTemplate($id)
{
$id = (int) $id;
// get all templates
$templates = self::getTemplates();
// we can't delete a template that doesn't exist
if (!isset($templates[$id])) {
return false;
}
// we can't delete the last template
if (count($templates) == 1) {
return false;
}
// we can't delete the default template
if ($id == BackendModel::getModuleSetting('pages', 'default_template')) {
return false;
}
if (BackendExtensionsModel::isTemplateInUse($id)) {
return false;
}
// get db
$db = BackendModel::getDB(true);
// delete
$db->delete('themes_templates', 'id = ?', $id);
// get all non-active pages that use this template
$ids = (array) $db->getColumn('SELECT i.revision_id
FROM pages AS i
WHERE i.template_id = ? AND i.status != ?', array($id, 'active'));
// any items
if (!empty($ids)) {
// delete those pages and the linked blocks
$db->delete('pages', 'revision_id IN(' . implode(',', $ids) . ')');
$db->delete('pages_blocks', 'revision_id IN(' . implode(',', $ids) . ')');
}
return true;
}