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1 | <?php |
2 | /*************************************************************************** |
3 | * Copyright (C) 2003-2007 Polytechnique.org * |
4 | * http://opensource.polytechnique.org/ * |
5 | * * |
6 | * This program is free software; you can redistribute it and/or modify * |
7 | * it under the terms of the GNU General Public License as published by * |
8 | * the Free Software Foundation; either version 2 of the License, or * |
9 | * (at your option) any later version. * |
10 | * * |
11 | * This program is distributed in the hope that it will be useful, * |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
14 | * GNU General Public License for more details. * |
15 | * * |
16 | * You should have received a copy of the GNU General Public License * |
17 | * along with this program; if not, write to the Free Software * |
18 | * Foundation, Inc., * |
19 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
20 | ***************************************************************************/ |
21 | |
22 | class SurveyModule extends PLModule |
23 | { |
24 | // {{{ function handlers() : registers the different handlers |
25 | function handlers() |
26 | { |
27 | return array( |
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28 | 'survey' => $this->make_hook('index', AUTH_PUBLIC), |
29 | 'survey/vote' => $this->make_hook('vote', AUTH_PUBLIC), |
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30 | 'survey/result' => $this->make_hook('result', AUTH_PUBLIC), |
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31 | 'survey/edit' => $this->make_hook('edit', AUTH_COOKIE), |
32 | 'survey/ajax' => $this->make_hook('ajax', AUTH_COOKIE), |
33 | 'survey/admin' => $this->make_hook('admin', AUTH_MDP, 'admin'), |
34 | 'survey/admin/edit' => $this->make_hook('adminEdit', AUTH_MDP, 'admin'), |
35 | 'survey/admin/valid' => $this->make_hook('adminValidate', AUTH_MDP, 'admin'), |
36 | 'survey/admin/del' => $this->make_hook('adminDelete', AUTH_MDP, 'admin'), |
37 | ); |
38 | } |
39 | // }}} |
40 | |
41 | // {{{ function handler_index() : lists all available surveys |
42 | function handler_index(&$page, $action = null) |
43 | { |
44 | require_once dirname(__FILE__).'/survey/survey.inc.php'; |
45 | $page->changeTpl('survey/index.tpl'); |
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46 | $page->assign('survey_current', Survey::retrieveList('c')); |
47 | $page->assign('survey_old', Survey::retrieveList('o')); |
48 | $page->assign('survey_modes', Survey::getModes(false)); |
49 | } |
50 | // }}} |
51 | |
9f01f40b |
52 | // {{{ function handler_vote() : handles the vote to a survey |
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53 | function handler_vote(&$page, $id = -1) |
54 | { |
55 | if (Post::has('survey_cancel')) { // if the user cancels, returns to index |
56 | return $this->handler_index(&$page); |
57 | } |
58 | $id = intval($id); |
59 | if ($id == -1) { |
60 | return $this->show_error($page, "Un identifiant de sondage doit être précisé.", ''); |
61 | } |
62 | require_once dirname(__FILE__).'/survey/survey.inc.php'; |
63 | $survey = Survey::retrieveSurvey($id); // retrieves the survey object structure |
64 | if ($survey == null || !$survey->isValid()) { |
65 | return $this->show_error($page, "Sondage ".$id." introuvable.", ''); |
66 | } elseif ($survey->isEnded()) { |
67 | return $this->show_error($page, "Le sondage ".$survey->getTitle()." est terminé."); |
68 | } |
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69 | if (!$this->check_surveyPerms($page, $survey)) { |
70 | return; |
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71 | } |
72 | if (Post::has('survey_submit')) { // checks if the survey has already been filled in |
73 | $uid = 0; |
74 | if (!$survey->isMode(Survey::MODE_ALL)) { // if survey is restriced to alumni |
75 | $uid = S::v('uid'); |
76 | if ($survey->hasVoted($uid)) { // checks whether the user has already voted |
77 | return $this->show_error($page, "Tu as déjà voté à ce sondage."); |
78 | } |
79 | } |
80 | $survey->vote($uid, Post::v('survey'.$id)); // performs vote |
81 | $this->show_success($page, "Ta réponse a bien été prise en compte. Merci d'avoir participé à ce sondage.", ''); |
82 | } else { // offers to fill in the survey |
83 | if ($survey->isMode(Survey::MODE_ALL) || !$survey->hasVoted(S::v('uid'))) { |
84 | $page->assign('survey_votemode', true); |
85 | } else { |
86 | $page->assign('survey_warning', "Tu as déjà voté à ce sondage."); |
87 | } |
88 | //$page->assign('survey_id', $id); |
89 | $this->show_survey($page, $survey); |
90 | } |
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91 | } |
92 | // }}} |
93 | |
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94 | // {{{ function handler_result() : show the results of the votes to a survey |
95 | function handler_result($page, $id = -1, $qid = 'all') |
96 | { |
97 | $id = intval($id); |
98 | if ($id == -1) { |
99 | return $this->show_error($page, "Un identifiant de sondage doit être précisé.", ''); |
100 | } |
101 | require_once dirname(__FILE__).'/survey/survey.inc.php'; |
102 | $survey = Survey::retrieveSurvey($id); // retrieves the survey object structure |
103 | if ($survey == null || !$survey->isValid()) { |
104 | return $this->show_error($page, "Sondage ".$id." introuvable.", ''); |
105 | } elseif (!$survey->isEnded()) { |
106 | return $this->show_error($page, "Le sondage ".$survey->getTitle()." n'est pas encore terminé."); |
107 | } |
108 | if (!$this->check_surveyPerms($page, $survey)) { |
109 | return; |
110 | } |
111 | $page->assign('survey_resultmode', true); |
112 | $this->show_survey($page, $survey); |
113 | } |
114 | // }}} |
115 | |
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116 | // {{{ function handler_admin() : index of admin mode |
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117 | function handler_admin(&$page, $id = -1) |
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118 | { |
119 | require_once dirname(__FILE__).'/survey/survey.inc.php'; |
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120 | $this->clear_session(); |
121 | if ($id == -1) { |
122 | $page->changeTpl('survey/admin.tpl'); |
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123 | $page->assign('survey_waiting', Survey::retrieveList('w')); |
124 | $page->assign('survey_current', Survey::retrieveList('c')); |
125 | $page->assign('survey_old', Survey::retrieveList('o')); |
126 | $page->assign('survey_modes', Survey::getModes(false)); |
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127 | } else { |
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128 | $survey = Survey::retrieveSurvey($id); // retrieves all survey object structure |
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129 | if ($survey == null) { |
130 | $this->show_error($page, "Sondage ".$id." introuvable.", 'admin'); |
131 | } |
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132 | $page->assign('survey_adminmode', true); |
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133 | $this->show_survey($page, $survey); |
134 | } |
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135 | } |
136 | // }}} |
137 | |
138 | // {{{ function handler_adminEdit() : edits a survey in admin mode |
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139 | function handler_adminEdit(&$page, $id = -1) |
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140 | { |
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141 | if ($id == -1) { |
142 | return $this->show_error($page, "Un identifiant de sondage doit être précisé.", 'admin'); |
143 | } |
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144 | require_once dirname(__FILE__).'/survey/survey.inc.php'; |
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145 | $survey = Survey::retrieveSurvey($id); // retrieves the survey in database |
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146 | $this->clear_session(); // cleans session (in case there would have been a problem before) |
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147 | $this->store_session($survey, $id); |
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148 | $this->handler_edit($page, 'show'); // calls handler_edit, but in admin mode since 'survey_id' is in session |
149 | } |
150 | // }}} |
151 | |
152 | // {{{ function handler_adminValidate() : validates a survey (admin mode) |
153 | function handler_adminValidate(&$page, $id = -1) |
154 | { |
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155 | $id = Post::i('survey_id', $id); |
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156 | if (Post::has('survey_cancel')) { // if the admin cancels the validation, returns to the admin index |
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157 | $this->clear_session(); |
158 | return $this->handler_admin(&$page, $id); |
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159 | } |
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160 | if ($id == -1) { |
161 | return $this->show_error($page, "Un identifiant de sondage doit être précisé.", 'admin'); |
162 | } |
163 | require_once dirname(__FILE__).'/survey/survey.inc.php'; |
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164 | $surveyInfo = Survey::retrieveSurveyInfo($id); // retrieves information about the survey (does not retrieve and unserialize the object structure) |
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165 | if ($surveyInfo == null) { |
166 | return $this->show_error($page, "Sondage ".$id." introuvable.", 'admin'); |
167 | } |
168 | if (Post::has('survey_submit')) { // needs a confirmation before validation |
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169 | if (Survey::validateSurvey($id)) { // validates the survey (in the database) |
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170 | $this->show_success($page, "Le sondage \"".$surveyInfo['title']."\" a bien été validé, les votes sont maintenant ouverts.", 'admin'); |
171 | } else { |
172 | $this->show_error($page, '', 'admin'); |
173 | } |
174 | } else { // asks for a confirmation |
175 | $this->show_confirm($page, "Êtes-vous certain de vouloir valider le sondage \"".$surveyInfo['title']."\" ? " |
176 | ."Les votes seront immédiatement ouverts.", 'admin/valid', array('id' => $id)); |
177 | } |
178 | } |
179 | // }}} |
180 | |
181 | // {{{ function handler_adminDelete() : deletes a survey (admin mode) |
182 | function handler_adminDelete(&$page, $id = -1) |
183 | { |
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184 | $id = Post::i('survey_id', $id); |
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185 | if (Post::has('survey_cancel')) { // if the admin cancels the suppression, returns to the admin index |
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186 | return $this->handler_admin(&$page, $id); |
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187 | } |
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188 | if ($id == -1) { |
189 | return $this->show_error($page, "Un identifiant de sondage doit être précisé.", 'admin'); |
190 | } |
191 | require_once dirname(__FILE__).'/survey/survey.inc.php'; |
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192 | $surveyInfo = Survey::retrieveSurveyInfo($id); // retrieves information about the survey (does not retrieve and unserialize the object structure) |
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193 | if ($surveyInfo == null) { |
194 | return $this->show_error($page, "Sondage ".$id." introuvable.", 'admin'); |
195 | } |
196 | if (Post::has('survey_submit')) { // needs a confirmation before suppression |
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197 | if (Survey::deleteSurvey($id)) { // deletes survey in database |
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198 | $this->show_success($page, "Le sondage \"".$surveyInfo['title']."\" a bien été supprimé, ainsi que tous les votes le concernant.", 'admin'); |
199 | } else { |
200 | $this->show_error($page, '', 'admin'); |
201 | } |
202 | } else { // asks for a confirmation |
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203 | $this->show_confirm($page, "Êtes-vous certain de vouloir supprimer le sondage \"".$surveyInfo['title']."\" ?", 'admin/del', array('id' => $id)); |
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204 | } |
205 | } |
206 | // }}} |
207 | |
208 | // {{{ function handler_edit() : edits a survey (in normal mode unless called by handler_adminEdit() ) |
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209 | function handler_edit(&$page, $action = 'show', $qid = 'root') |
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210 | { |
211 | require_once dirname(__FILE__).'/survey/survey.inc.php'; |
212 | $action = Post::v('survey_action', $action); |
213 | $qid = Post::v('survey_qid', $qid); |
214 | if (Post::has('survey_cancel')) { // after cancelling changes, shows the survey |
215 | if (S::has('survey')) { |
216 | $action = 'show'; |
217 | } else { // unless no editing has been done at all (shows to the surveys index page) |
218 | return $this->handler_index($page); |
219 | } |
220 | } |
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221 | $page->assign('survey_editmode', true); |
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222 | if (S::has('survey_id')) { // if 'survey_id' is in session, it means we are modifying a survey in admin mode |
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223 | $page->assign('survey_updatemode', true); |
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224 | } |
225 | if ($action == 'show' && !S::has('survey')) { |
226 | $action = 'new'; |
227 | } |
228 | if ($action == 'question') { // {{{ modifies an existing question |
229 | if (Post::has('survey_submit')) { // if the form has been submitted, makes the modifications |
230 | $survey = unserialize(S::v('survey')); |
231 | $args = Post::v('survey_question'); |
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232 | if (!$survey->editQuestion($qid, $args)) { // update the survey object structure |
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233 | return $this->show_error($page, '', 'edit'); |
234 | } |
235 | $this->show_survey($page, $survey); |
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236 | $this->store_session($survey); |
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237 | } else { // if a form has not been submitted, shows modification form |
238 | $survey = unserialize(S::v('survey')); |
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239 | $current = $survey->toArray($qid); // gets the current parameters of the question |
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240 | if ($current == null) { |
241 | return $this->show_error($page, '', 'edit'); |
242 | } |
243 | $this->show_form($page, $action, $qid, $current['type'], $current); |
244 | } // }}} |
245 | } elseif ($action == 'new') { // {{{ create a new survey : actually store the root question |
246 | if (Post::has('survey_submit')) { // if the form has been submitted, creates the survey |
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247 | $this->clear_session(); |
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248 | $survey = new Survey(Post::v('survey_question')); // creates the object structure |
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249 | $this->show_survey($page, $survey); |
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250 | $this->store_session($survey); |
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251 | } else { |
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252 | $this->clear_session(); |
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253 | $this->show_form($page, $action, 'root', 'root'); |
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254 | } // }}} |
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255 | } elseif ($action == 'add') { // {{{ adds a new question |
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256 | if (Post::has('survey_submit')) { // if the form has been submitted, adds the question |
257 | $survey = unserialize(S::v('survey')); |
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258 | if (!$survey->addQuestion($qid, $survey->factory(Post::v('survey_type'), Post::v('survey_question')))) { |
259 | return $this->show_error($page, '', 'edit'); |
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260 | } |
261 | $this->show_survey($page, $survey); |
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262 | $this->store_session($survey); |
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263 | } else { |
264 | $this->show_form($page, $action, $qid); |
265 | } // }}} |
266 | } elseif ($action == 'del') { // {{{ deletes a question |
267 | if (Post::has('survey_submit')) { // if a confirmation has been sent, deletes the question |
268 | $survey = unserialize(S::v('survey')); |
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269 | if (!$survey->delQuestion(Post::v('survey_qid'))) { // deletes the node in the survey object structure |
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270 | return $this->show_error($page, '', 'edit'); |
271 | } |
272 | $this->show_survey($page, $survey); |
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273 | $this->store_session($survey); |
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274 | } else { // if user has not confirmed, shows a confirmation form |
275 | $survey = unserialize(S::v('survey')); |
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276 | $current = $survey->toArray($qid); // needed to get the title of the question to delete (more user-friendly than an id) |
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277 | if ($current == null) { |
278 | return $this->show_error($page, '', 'edit'); |
279 | } |
280 | $this->show_confirm($page, 'Êtes-vous certain de vouloir supprimer la question intitulé "'.$current['question'].'" ? ' |
281 | .'Attention, cela supprimera en même temps toutes les questions qui dépendent de celle-ci.', |
282 | 'edit', array('action' => 'del', 'qid' => $qid)); |
283 | } // }}} |
284 | } elseif ($action == 'show') { // {{{ simply shows the survey in its current state |
285 | $this->show_survey($page, unserialize(S::v('survey'))); // }}} |
286 | } elseif ($action == 'valid') { // {{{ validates the proposition, i.e stores the proposition in the database |
287 | // but an admin will still need to validate the survey before it is activated |
288 | if (Post::has('survey_submit')) { // needs a confirmation before storing the proposition |
289 | $survey = unserialize(S::v('survey')); |
290 | if (S::has('survey_id')) { // if 'survey_id' is in session, we are modifying an existing survey (in admin mode) instead of proposing a new one |
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291 | if ($survey->updateSurvey()) { // updates the database according the new survey object structure |
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292 | $this->show_success($page, "Les modifications sur le sondage ont bien été enregistrées.", 'admin'); |
293 | } else { |
294 | $this->show_error($page, '', 'admin'); |
295 | } |
296 | } else { // if no 'survey_id' is in session, we are indeed proposing a new survey |
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297 | if ($survey->proposeSurvey()) { // stores the survey object structure in database |
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298 | $this->show_success($page, "Votre proposition de sondage a bien été enregistrée, |
299 | elle est en attent de validation par un administrateur du site.", ''); |
300 | } else { |
301 | $this->show_error($page); |
302 | } |
303 | } |
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304 | $this->clear_session(); |
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305 | } else { // asks for a confirmation if it has not been sent |
306 | $survey = unserialize(S::v('survey')); |
307 | $errors = $survey->checkSyntax(); |
308 | if (!is_null($errors)) { |
309 | $this->show_error($page, "", 'edit', $errors); |
310 | } else { |
311 | if (S::has('survey_id')) { |
312 | $this->show_confirm($page, "Veuillez confirmer l'enregistrement des modifications apportées à ce sondage", 'edit', array('action' => 'valid')); |
313 | } else { |
314 | $this->show_confirm($page, "Veuillez confirmer l'envoi de cette proposition de sondage.", 'edit', array('action' => 'valid')); |
315 | } |
316 | } |
317 | } // }}} |
318 | } elseif ($action == 'cancel') { // {{{ cancels the creation/modification of a survey |
319 | if (Post::has('survey_submit')) { // needs a confirmation |
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320 | if (S::has('survey_id')) { // only possible when modifying a survey in admin mode, still this should be considered again, |
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321 | $this->clear_session(); // maybe some name with "admin" in it, "survey_adminid" or anything that might not be confusing. |
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322 | return $this->handler_admin($page); // in this case, shows the admin index |
323 | } else { |
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324 | $this->clear_session(); // cleans session |
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325 | return $this->handler_index($page); // else shows the 'normal' index |
326 | } |
327 | } else { // asks for a confirmation if it has not been sent |
328 | $this->show_confirm(&$page, "Êtes-vous certain de vouloir annuler totalement l'édition de ce sondage ? Attention, " |
329 | ."toutes les données éditées jusque lâ seront définitivement perdues.", |
330 | 'edit', array('action' => $action)); |
331 | } |
332 | } // }}} |
333 | } |
334 | // }}} |
335 | |
336 | // {{{ function handler_ajax() : some ajax in editing a new question (for now, there may be a little more later) |
337 | function handler_ajax(&$page, $type) |
338 | { |
339 | require_once dirname(__FILE__).'/survey/survey.inc.php'; |
340 | header('Content-Type: text/html; charset="UTF-8"'); |
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341 | if (Survey::isType($type)) { // when type has been chosen, the form is updated to fit exactly the type of question chosen |
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342 | $page->changeTpl('survey/edit_new.tpl', NO_SKIN); |
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343 | $page->assign('survey_types', Survey::getTypes()); |
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344 | $page->assign('survey_type', $type); |
345 | } |
346 | } |
347 | // }}} |
348 | |
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349 | // {{{ function clear_session() : clears the data stored in session |
350 | function clear_session() |
351 | { |
352 | S::kill('survey'); |
353 | S::kill('survey_id'); |
354 | } |
355 | // }}} |
356 | |
357 | // {{{ function store_session() : serializes and stores survey (and survey_id) in session |
358 | function store_session($survey, $survey_id = -1) |
359 | { |
360 | $_SESSION['survey'] = serialize($survey); |
361 | if ($survey_id != -1) { |
362 | $_SESSION['survey_id'] = $survey_id; |
363 | } |
364 | } |
365 | // }}} |
366 | |
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367 | // {{{ function check_surveyPerms() : checks the particular surveys access permissions |
368 | function check_surveyPerms(&$page, $survey) |
369 | { |
370 | require_once dirname(__FILE__).'/survey/survey.inc.php'; |
371 | if (!$survey->isMode(Survey::MODE_ALL)) { // if the survey is reserved to alumni |
372 | global $globals; |
373 | if (!call_user_func(array($globals->session, 'doAuth'))) { // checks authentification |
374 | global $platal; |
375 | $platal->force_login($page); |
376 | } |
377 | if (!$survey->checkPromo(S::v('promo'))) { // checks promotion |
378 | $this->show_error($page, "Tu n'as pas accès à ce sondage car il est réservé à d'autres promotions."); |
379 | return false; |
380 | } |
381 | } |
382 | return true; |
383 | } |
384 | // }}} |
385 | |
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386 | // {{{ function show_survey() : calls the template to display a survey, for editing, voting, or consulting the results |
387 | function show_survey(&$page, $survey) |
388 | { |
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389 | $page->changeTpl('survey/show_root.tpl'); |
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390 | $page->assign('survey', $survey->toArray()); |
5c6e38d7 |
391 | $page->assign('survey_modes', Survey::getModes()); |
8fe81c50 |
392 | } |
393 | // }}} |
394 | |
395 | // {{{ function show_form() : calls the template to display the editing form |
396 | function show_form(&$page, $action, $qid, $type = 'new', $current = null) |
397 | { |
398 | $page->changeTpl('survey/edit_survey.tpl'); |
399 | $page->assign('survey_action', $action); |
400 | $page->assign('survey_qid', $qid); |
401 | $page->assign('survey_formaction', './survey/edit'); |
402 | $page->assign('survey_type', $type); |
403 | if (!is_null($current) && is_array($current)) { |
404 | $page->assign('survey_current', $current); |
405 | } elseif ($type == 'new') { |
406 | $page->addJsLink('ajax.js'); |
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407 | $page->assign('survey_types', Survey::getTypes()); |
408 | } |
409 | if ($type == 'root') { |
410 | $page->assign('survey_modes', Survey::getModes()); |
8fe81c50 |
411 | } |
412 | } |
413 | // }}} |
414 | |
415 | // {{{ function show_confirm() : calls the template to display a confirm form |
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416 | function show_confirm(&$page, $message, $formaction, $formhidden = null) |
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417 | { |
418 | $page->changeTpl('survey/confirm.tpl'); |
419 | $page->assign('survey_message', $message); |
420 | $page->assign('survey_formaction', './survey/'.$formaction); |
421 | $page->assign('survey_formhidden', $formhidden); |
422 | } |
423 | // }}} |
424 | |
425 | // {{{ function show_error() : calls the template to display an error message |
426 | function show_error(&$page, $message, $link = "", $errArray = null) |
427 | { |
428 | $page->changeTpl('survey/error.tpl'); |
429 | $page->assign('survey_message', $message); |
430 | $page->assign('survey_link', './survey/'.$link); // 'return' link to let the user leave the page |
431 | if (!is_null($errArray)) { |
432 | $page->assign('survey_errors', $errArray); |
433 | } |
434 | } |
435 | // }}} |
436 | |
437 | // {{{ function show_success() : calls the template to display a success message |
438 | function show_success(&$page, $message = "", $link = "") |
439 | { |
440 | $page->changeTpl('survey/success.tpl'); |
441 | $page->assign('survey_message', $message); |
442 | $page->assign('survey_link', './survey/'.$link); // 'return' link to let the user leave the page |
443 | } |
444 | // }}} |
445 | } |
446 | |
447 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
448 | ?> |