lib/portfolio/forms.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * This file contains all the form definitions used by the portfolio code.
  19  *
  20  * @package core_portfolio
  21  * @copyright 2008 Penny Leach <penny@catalyst.net.nz>,
  22  *            Martin Dougiamas (http://dougiamas.com)
  23  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  */
  25
  26 defined('MOODLE_INTERNAL') || die();
  27
  28 // make sure we include moodleform first!
  29 require_once ($CFG->libdir.'/formslib.php');
  30
  31 /**
  32  * During-export config form.
  33  *
  34  * This is the form that is actually used while exporting.
  35  * Plugins and callers don't get to define their own class
  36  * as we have to handle form elements from both places
  37  * See the docs here for more information:
  38  * http://docs.moodle.org/dev/Writing_a_Portfolio_Plugin#has_export_config
  39  * http://docs.moodle.org/dev/Adding_a_Portfolio_Button_to_a_page#has_export_config
  40  *
  41  * @package core_portfolio
  42  * @category portfolio
  43  * @copyright 2008 Penny Leach <penny@catalyst.net.nz>
  44  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  45  */
  46 final class portfolio_export_form extends moodleform {
  47
  48     /**
  49      * prepare form
  50      */
  51     public function definition() {
  52
  53         $mform =& $this->_form;
  54         $mform->addElement('hidden', 'stage', PORTFOLIO_STAGE_CONFIG);
  55         $mform->addElement('hidden', 'id', $this->_customdata['id']);
  56         $mform->addElement('hidden', 'instance', $this->_customdata['instance']->get('id'));
  57         $mform->setType('instance', PARAM_INT);
  58         $mform->setType('stage', PARAM_INT);
  59         $mform->setType('id', PARAM_INT);
  60
  61         if (array_key_exists('formats', $this->_customdata) && is_array($this->_customdata['formats'])) {
  62             if (count($this->_customdata['formats']) > 1) {
  63                 $options = array();
  64                 foreach ($this->_customdata['formats'] as $key) {
  65                     $options[$key] = get_string('format_' . $key, 'portfolio');
  66                 }
  67                 $mform->addElement('select', 'format', get_string('availableformats', 'portfolio'), $options);
  68             } else {
  69                 $f = array_shift($this->_customdata['formats']);
  70                 $mform->addElement('hidden', 'format', $f);
  71                 $mform->setType('format', PARAM_RAW);
  72             }
  73         }
  74
  75         // only display the option to wait or not if it's applicable
  76         if (array_key_exists('expectedtime', $this->_customdata)
  77             && $this->_customdata['expectedtime'] != PORTFOLIO_TIME_LOW
  78             && $this->_customdata['expectedtime'] != PORTFOLIO_TIME_FORCEQUEUE) {
  79             $radioarray = array();
  80             $radioarray[] = $mform->createElement('radio', 'wait', '', get_string('wait', 'portfolio'), 1);
  81             $radioarray[] = $mform->createElement('radio', 'wait', '', get_string('dontwait', 'portfolio'),  0);
  82             $mform->addGroup($radioarray, 'radioar', get_string('wanttowait_' . $this->_customdata['expectedtime'], 'portfolio') , array(' '), false);
  83             $mform->setDefault('wait', 0);
  84         } else {
  85             if ($this->_customdata['expectedtime'] == PORTFOLIO_TIME_LOW) {
  86                 $mform->addElement('hidden', 'wait', 1);
  87             } else {
  88                 $mform->addElement('hidden', 'wait', 0);
  89             }
  90             $mform->setType('wait', PARAM_INT);
  91         }
  92
  93         if (array_key_exists('plugin', $this->_customdata) && is_object($this->_customdata['plugin'])) {
  94             $this->_customdata['plugin']->export_config_form($mform, $this->_customdata['userid']);
  95         }
  96
  97         if (array_key_exists('caller', $this->_customdata) && is_object($this->_customdata['caller'])) {
  98             $this->_customdata['caller']->export_config_form($mform, $this->_customdata['instance'], $this->_customdata['userid']);
  99         }
 100
 101         $this->add_action_buttons(true, get_string('next'));
 102     }
 103
 104     /**
 105      * Validate portfolio export form
 106      *
 107      * @param stdClass $data portfolio information from form data
 108      * @return array
 109      */
 110     public function validation($data, $files) {
 111
 112         $errors = array();
 113
 114         if (array_key_exists('plugin', $this->_customdata) && is_object($this->_customdata['plugin'])) {
 115             $pluginerrors = $this->_customdata['plugin']->export_config_validation($data);
 116             if (is_array($pluginerrors)) {
 117                 $errors = $pluginerrors;
 118             }
 119         }
 120         if (array_key_exists('caller', $this->_customdata) && is_object($this->_customdata['caller'])) {
 121             $callererrors = $this->_customdata['caller']->export_config_validation($data);
 122             if (is_array($callererrors)) {
 123                 $errors = array_merge($errors, $callererrors);
 124             }
 125         }
 126         return $errors;
 127     }
 128 }
 129
 130 /**
 131  * Admin config form.
 132  *
 133  * This form is extendable by plugins who want the admin to be able to configure more than just the name of the instance.
 134  * This is NOT done by subclassing this class, see the docs for portfolio_plugin_base for more information:
 135  * {@link http://docs.moodle.org/dev/Writing_a_Portfolio_Plugin#has_admin_config}
 136  *
 137  * @package core_portfolio
 138  * @category portfolio
 139  * @copyright 2008 Penny Leach <penny@catalyst.net.nz>
 140  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 141  */
 142 final class portfolio_admin_form extends moodleform {
 143
 144     /** @var object to hold porfolio instance configuration */
 145     protected $instance;
 146
 147     /** @var string plugin name*/
 148     protected $plugin;
 149
 150     /** @var string portfolio plugin name*/
 151     protected $portfolio;
 152
 153     /** @var string plugin availability*/
 154     protected $action;
 155
 156     /** @var int portfolio plugin visibility*/
 157     protected $visible;
 158
 159     /**
 160      * prepare form
 161      */
 162     public function definition() {
 163         global $CFG;
 164         $this->plugin = $this->_customdata['plugin'];
 165         $this->instance = (isset($this->_customdata['instance'])
 166                 && is_subclass_of($this->_customdata['instance'], 'portfolio_plugin_base'))
 167             ? $this->_customdata['instance'] : null;
 168         $this->portfolio = $this->_customdata['portfolio'];
 169         $this->action = $this->_customdata['action'];
 170         $this->visible = $this->_customdata['visible'];
 171
 172         $mform =& $this->_form;
 173         $strrequired = get_string('required');
 174
 175         $mform->addElement('hidden', 'pf', $this->portfolio);
 176         $mform->setType('pf', PARAM_ALPHA);
 177         $mform->addElement('hidden', 'action', $this->action);
 178         $mform->setType('action', PARAM_ALPHA);
 179         $mform->addElement('hidden', 'visible', $this->visible);
 180         $mform->setType('visible', PARAM_INT);
 181         $mform->addElement('hidden', 'plugin', $this->plugin);
 182         $mform->setType('plugin', PARAM_PLUGIN);
 183
 184         if (!$this->instance) {
 185             $insane = portfolio_instance_sanity_check($this->instance);
 186         } else {
 187             $insane = portfolio_plugin_sanity_check($this->plugin);
 188         }
 189
 190         if (isset($insane) && is_array($insane)) {
 191             $insane = array_shift($insane);
 192         }
 193         if (isset($insane) && is_string($insane)) { // something went wrong, warn...
 194             $mform->addElement('warning', 'insane', null, get_string($insane, 'portfolio_' . $this->plugin));
 195         }
 196
 197         $mform->addElement('text', 'name', get_string('name'), 'maxlength="100" size="30"');
 198         $mform->addRule('name', $strrequired, 'required', null, 'client');
 199         $mform->setType('name', PARAM_TEXT);
 200
 201         // let the plugin add the fields they want (either statically or not)
 202         if (portfolio_static_function($this->plugin, 'has_admin_config')) {
 203             require_once($CFG->libdir . '/portfolio/plugin.php');
 204             require_once($CFG->dirroot . '/portfolio/' . $this->plugin .  '/lib.php');
 205             call_user_func(array('portfolio_plugin_' . $this->plugin, 'admin_config_form'), $mform);
 206         }
 207
 208         // and set the data if we have some.
 209         if ($this->instance) {
 210             $data = array('name' => $this->instance->get('name'));
 211             foreach ($this->instance->get_allowed_config() as $config) {
 212                 $data[$config] = $this->instance->get_config($config);
 213             }
 214             $this->set_data($data);
 215         } else {
 216             $this->set_data(array('name' => portfolio_static_function($this->plugin, 'get_name')));
 217         }
 218
 219         $this->add_action_buttons(true, get_string('save', 'portfolio'));
 220     }
 221
 222     /**
 223      * Validate admin config form
 224      *
 225      * @param stdObject $data form data
 226      * @return array
 227      */
 228     public function validation($data, $files) {
 229         global $DB;
 230
 231         $errors = array();
 232         if ($DB->count_records('portfolio_instance', array('name' => $data['name'], 'plugin' => $data['plugin'])) > 1) {
 233             $errors = array('name' => get_string('err_uniquename', 'portfolio'));
 234         }
 235
 236         $pluginerrors = array();
 237         $pluginerrors = portfolio_static_function($this->plugin, 'admin_config_validation', $data);
 238         if (is_array($pluginerrors)) {
 239             $errors = array_merge($errors, $pluginerrors);
 240         }
 241         return $errors;
 242     }
 243 }
 244
 245 /**
 246  * User config form.
 247  *
 248  * This is the form for letting the user configure an instance of a plugin.
 249  * In order to extend this, you don't subclass this in the plugin..
 250  * see the docs in portfolio_plugin_base for more information:
 251  * {@link http://docs.moodle.org/dev/Writing_a_Portfolio_Plugin#has_user_config}
 252  *
 253  * @package core_portfolio
 254  * @category portfolio
 255  * @copyright 2008 Penny Leach <penny@catalyst.net.nz>
 256  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 257  */
 258 final class portfolio_user_form extends moodleform {
 259
 260     /** @var object  user porfolio instance */
 261     protected $instance;
 262
 263     /** @var int hold user id */
 264     protected $userid;
 265
 266     /**
 267      * prepare form
 268      */
 269     public function definition() {
 270         $this->instance = $this->_customdata['instance'];
 271         $this->userid = $this->_customdata['userid'];
 272
 273         $this->_form->addElement('hidden', 'config', $this->instance->get('id'));
 274         $this->_form->setType('config', PARAM_INT);
 275
 276         $this->instance->user_config_form($this->_form, $this->userid);
 277
 278         $data = array();
 279         foreach ($this->instance->get_allowed_user_config() as $config) {
 280             $data[$config] = $this->instance->get_user_config($config, $this->userid);
 281         }
 282         $this->set_data($data);
 283         $this->add_action_buttons(true, get_string('save', 'portfolio'));
 284     }
 285
 286     /**
 287      * User user config form.
 288      *
 289      * @param stdClass $data form data
 290      */
 291     public function validation($data, $files) {
 292
 293         $errors = $this->instance->user_config_validation($data);
 294
 295     }
 296 }
 297
 298
 299 /**
 300  * Form that just contains the dropdown menu of available instances.
 301  *
 302  * This is not used by portfolio_add_button, but on the first step of the export,
 303  * if the plugin instance has not yet been selected.
 304  *
 305  * @package core_portfolio
 306  * @category portfolio
 307  * @copyright 2008 Penny Leach <penny@catalyst.net.nz>
 308  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 309  */
 310 class portfolio_instance_select extends moodleform {
 311
 312     /** @var portfolio_caller_base plugin instance */
 313     private $caller;
 314
 315     /**
 316      * The required basic elements to the form.
 317      */
 318     function definition() {
 319         $this->caller = $this->_customdata['caller'];
 320         $options = $this->_customdata['options'];
 321         $mform =& $this->_form;
 322         $mform->addElement('select', 'instance', get_string('selectplugin', 'portfolio'), $options);
 323         $mform->addElement('hidden', 'id', $this->_customdata['id']);
 324         $mform->setType('id', PARAM_INT);
 325         $this->add_action_buttons(true, get_string('next'));
 326     }
 327 }