gnu-social/lib/formaction.php

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<?php
/**
* Form action extendable class.
*
* PHP version 5
*
* @category Action
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://status.net/
*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008, 2009, StatusNet, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('GNUSOCIAL')) { exit(1); }
/**
* Form action extendable class
*
* @category Action
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Mikael Nordfeldth <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://status.net/
*/
class FormAction extends ManagedAction
{
protected $form = null;
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protected $formOpts = array();
protected $type = null;
protected $needLogin = true;
protected $canPost = true;
protected function prepare(array $args=array()) {
parent::prepare($args);
$this->form = $this->form ?: $this->action;
$this->args['form'] = $this->form;
$this->type = !is_null($this->type) ? $this->type : $this->trimmed('type');
$this->args['context'] = $this->trimmed('action'); // reply for notice for example
if (!$this->type) {
$this->type = null;
}
return true;
}
public function isReadOnly($args) {
return !$this->isPost();
}
public function showPageNotice()
{
$this->showInstructions();
if ($msg = $this->getError()) {
$this->element('div', 'error', $msg);
}
if ($msg = $this->getInfo()) {
$this->element('div', 'info', $msg);
}
}
/**
* Outputs the instructions for the form
*
* SHOULD overload
*/
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public function showInstructions()
{
// instructions are nice, so users know what to do
$this->raw(common_markup_to_html($this->getInstructions()));
}
/**
* @return string with instructions to pass into common_markup_to_html()
*/
protected function getInstructions()
{
return null;
}
public function showForm($msg=null, $success=false)
{
$this->msg = $msg;
$this->success = $success;
$this->showPage();
}
protected function showContent()
{
$form = $this->getForm();
$form->show();
}
protected function getForm()
{
$class = $this->form.'Form';
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$form = new $class($this, $this->formOpts);
return $form;
}
}