function edit()
{
// Init
$data = array();
$data['edit_mode'] = FALSE;
$this->template->add_package(array('codemirror'));
$data['breadcrumb'] = set_crumbs(array('content/snippets' => 'Snippets', current_url() => 'Snippet Edit'));
$data['revision_id'] = $revision_id = $this->uri->segment(6);
$this->load->model('snippets_model');
$data['Snippet'] = $Snippet = new Snippets_model();
$snippet_id = $this->uri->segment(5);
// Edit mode
if ($snippet_id) {
$data['edit_mode'] = TRUE;
$Snippet->get_by_id($snippet_id);
// Check if snippet exists
if (!$Snippet->exists()) {
return show_404();
}
// Load a revision if a revision id was provided in the URL
if (!empty($revision_id)) {
$this->load->model('revisions_model');
$Revision = new Revisions_model();
$Revision->get_by_id($revision_id);
if ($Revision->exists()) {
$revision_data = @unserialize($Revision->revision_data);
$Snippet->from_array($revision_data);
} else {
return show_404();
}
}
}
$this->form_validation->set_rules('title', 'Title', 'trim|required');
$this->form_validation->set_rules('short_name', 'Short Name', 'trim|required|alpha_dash|max_length[50]|is_unique[snippets.short_name.id.' . $snippet_id . ']');
$this->form_validation->set_rules('snippet', 'Snippet', '');
// Form validation
if ($this->form_validation->run() == TRUE) {
$Snippet->from_array($this->input->post());
if ($data['edit_mode']) {
$Snippet->id = $snippet_id;
}
$Snippet->save();
$Snippet->add_revision();
// Clear cache
$this->load->library('cache');
$this->cache->delete_all('snippets');
$this->session->set_flashdata('message', '<p class="success">Snippet Saved.</p>');
if ($this->input->post('save_exit')) {
redirect(ADMIN_PATH . '/content/snippets/');
} else {
redirect(ADMIN_PATH . '/content/snippets/edit/' . $Snippet->id);
}
}
$this->template->view('admin/snippets/edit', $data);
}
