| 61 | | private $CONTENT_ORDERING_MODES = array ( |
| 62 | | 'RANDOM' => "Pick content elements randomly", |
| 63 | | 'PSEUDO_RANDOM' => "Pick content elements randomly, but do not display the same content twice untill all content has been seen", |
| 64 | | 'SEQUENTIAL' => "Pick content elements in sequential order" |
| 65 | | ); |
| 66 | | private $CONTENT_CHANGES_ON_MODES = array ( |
| 67 | | 'ALWAYS' => "Content always rotates", |
| 68 | | 'NEXT_DAY' => "Content rotates once per day", |
| 69 | | 'NEXT_LOGIN' => "Content rotates once per session", |
| 70 | | 'NEXT_NODE' => "Content rotates each time you change node" |
| 71 | | ); |
| 72 | | private $ALLOW_REPEAT_MODES = array ( |
| 73 | | 'YES' => "Content can be shown more than once", |
| 74 | | 'NO' => "Content can only be shown once", |
| 75 | | 'ONCE_PER_NODE' => "Content can be shown more than once, but not at the same node" |
| 76 | | ); |
| 77 | | |
| 78 | | protected $is_artistic_content; |
| 79 | | protected $is_locative_content; |
| 80 | | |
| 81 | | // is_expandable is ONLY for internal use, it use normally only set by the constructor |
| 82 | | private $is_expandable = true; |
| 83 | | // this is the actual publicly available status ( so if is_expandable == true it CANNOT be true ) |
| 84 | | private $expand_status = false; |
| 85 | | private $temporary_display_num_elements; |
| 86 | | |
| 87 | | private $content_selection_mode; |
| 88 | | private $content_group_row; |
| 89 | | |
| 90 | | protected function __construct($content_id) { |
| 91 | | // Define globals |
| 92 | | global $db; |
| 93 | | |
| 94 | | // Init values |
| 95 | | $row = null; |
| 96 | | |
| 97 | | parent :: __construct($content_id); |
| 98 | | |
| 99 | | $content_id = $db->escapeString($content_id); |
| 100 | | |
| 101 | | $sql = "SELECT * FROM content_group WHERE content_group_id='$content_id'"; |
| 102 | | $db->execSqlUniqueRes($sql, $row, false); |
| 103 | | if ($row == null) { |
| 104 | | /*Since the parent Content exists, the necessary data in content_group had not yet been created */ |
| 105 | | $sql = "INSERT INTO content_group (content_group_id) VALUES ('$content_id')"; |
| 106 | | $db->execSqlUpdate($sql, false); |
| 107 | | $sql = "SELECT * FROM content_group WHERE content_group_id='$content_id'"; |
| 108 | | $db->execSqlUniqueRes($sql, $row, false); |
| 109 | | if ($row == null) { |
| 110 | | throw new Exception(_("The content with the following id could not be found in the database: ") . $content_id); |
| 111 | | } |
| 112 | | |
| 113 | | } |
| 114 | | |
| 115 | | $this->content_group_row = $row; |
| 116 | | |
| 117 | | // These are for internal use only ( private and protected methods ) for dealing with expanding content |
| 118 | | $this->setTemporaryDisplayNumElements(null); |
| 119 | | } |
| 120 | | |
| 121 | | /** Is the content group artistic in nature? |
| 122 | | * @return true or false */ |
| 123 | | public function isArtisticContent() { |
| 124 | | if ($this->content_group_row['is_artistic_content'] == 't') { |
| 125 | | $retval = true; |
| 126 | | } else { |
| 127 | | $retval = false; |
| 128 | | } |
| 129 | | return $retval; |
| 130 | | } |
| 131 | | |
| 132 | | /** Set if the content group is artistic in nature, |
| 133 | | * @param $is_artistic_content true or false*/ |
| 134 | | public function setIsArtisticContent($is_artistic_content) { |
| 135 | | if ($is_artistic_content != $this->isArtisticContent()) /* Only update database if there is an actual change */ { |
| 136 | | $is_artistic_content ? $is_artistic_content_sql = 'TRUE' : $is_artistic_content_sql = 'FALSE'; |
| 137 | | |
| 138 | | global $db; |
| 139 | | $db->execSqlUpdate("UPDATE content_group SET is_artistic_content = $is_artistic_content_sql WHERE content_group_id = '$this->id'", false); |
| 140 | | $this->refresh(); |
| 141 | | } |
| 142 | | |
| 143 | | } |
| 144 | | |
| 145 | | /** Does the content shown or generated by the content group directly related to where it is viewed from? |
| 146 | | * @return true or false */ |
| 147 | | public function isLocativeContent() { |
| 148 | | if ($this->content_group_row['is_locative_content'] == 't') { |
| 149 | | $retval = true; |
| 150 | | } else { |
| 151 | | $retval = false; |
| 152 | | } |
| 153 | | return $retval; |
| 154 | | } |
| 155 | | |
| 156 | | /** Set if the content group is locative |
| 157 | | * @param $is_locative_content true or false |
| 158 | | * */ |
| 159 | | public function setIsLocativeContent($is_locative_content) { |
| 160 | | if ($is_locative_content != $this->isLocativeContent()) /* Only update database if there is an actual change */ { |
| 161 | | $is_locative_content ? $is_locative_content_sql = 'TRUE' : $is_locative_content_sql = 'FALSE'; |
| 162 | | |
| 163 | | global $db; |
| 164 | | $db->execSqlUpdate("UPDATE content_group SET is_locative_content = $is_locative_content_sql WHERE content_group_id = '$this->id'", false); |
| 165 | | $this->refresh(); |
| 166 | | } |
| 167 | | |
| 168 | | } |
| 169 | | |
| 170 | | /** In what order is the content displayed to the user |
| 171 | | * @return string, a key of CONTENT_SELECTION_MODES */ |
| 172 | | public function getContentOrderingMode() { |
| 173 | | return $this->content_group_row['content_ordering_mode']; |
| 174 | | } |
| 175 | | |
| 176 | | /** In what order is the content displayed to the user |
| 177 | | * @param $content_ordering_mode One of the CONTENT_ORDERING_MODES constants defined in the class |
| 178 | | * @return true if successfull |
| 179 | | * */ |
| 180 | | protected function setContentOrderingMode($content_ordering_mode, & $errormsg = null) { |
| 181 | | $retval = false; |
| 182 | | if (isset ($this->CONTENT_ORDERING_MODES[$content_ordering_mode]) && $content_ordering_mode != $this->getContentOrderingMode()) /* Only update database if the mode is valid and there is an actual change */ { |
| 183 | | global $db; |
| 184 | | $content_ordering_mode = $db->escapeString($content_ordering_mode); |
| 185 | | $db->execSqlUpdate("UPDATE content_group SET content_ordering_mode = '$content_ordering_mode' WHERE content_group_id = '$this->id'", false); |
| 186 | | $this->refresh(); |
| 187 | | $retval = true; |
| 188 | | } |
| 189 | | elseif (!isset ($this->CONTENT_ORDERING_MODES[$content_ordering_mode])) { |
| 190 | | $errormsg = _("Invalid content selection mode (must be part of CONTENT_ORDERING_MODES)"); |
| 191 | | $retval = false; |
| 192 | | } else { |
| 193 | | /* Successfull, but nothing modified */ |
| 194 | | $retval = true; |
| 195 | | } |
| 196 | | return $retval; |
| 197 | | } |
| 198 | | |
| 199 | | /** When does the content rotate? |
| 200 | | * @return string, a key of CONTENT_SELECTION_MODES */ |
| 201 | | public function getContentChangesOnMode() { |
| 202 | | return $this->content_group_row['content_changes_on_mode']; |
| 203 | | } |
| 204 | | |
| 205 | | /** When does the content rotate? |
| 206 | | * @param $content_changes_on_mode One of the content_changes_on_modeS constants defined in the class |
| 207 | | * @return true if successfull |
| 208 | | * */ |
| 209 | | protected function setContentChangesOnMode($content_changes_on_mode, & $errormsg = null) { |
| 210 | | $retval = false; |
| 211 | | if (isset ($this->CONTENT_CHANGES_ON_MODES[$content_changes_on_mode]) && $content_changes_on_mode != $this->getContentChangesOnMode()) /* Only update database if the mode is valid and there is an actual change */ { |
| 212 | | global $db; |
| 213 | | $content_changes_on_mode = $db->escapeString($content_changes_on_mode); |
| 214 | | $db->execSqlUpdate("UPDATE content_group SET content_changes_on_mode = '$content_changes_on_mode' WHERE content_group_id = '$this->id'", false); |
| 215 | | $this->refresh(); |
| 216 | | $retval = true; |
| 217 | | } |
| 218 | | elseif (!isset ($this->CONTENT_CHANGES_ON_MODES[$content_changes_on_mode])) { |
| 219 | | $errormsg = _("Invalid content selection mode (must be part of CONTENT_CHANGES_ON_MODES)"); |
| 220 | | $retval = false; |
| 221 | | } else { |
| 222 | | /* Successfull, but nothing modified */ |
| 223 | | $retval = true; |
| 224 | | } |
| 225 | | return $retval; |
| 226 | | } |
| 227 | | |
| 228 | | /** Can the same content be shown twice |
| 229 | | * @return 'YES', 'NO', 'ONCE_PER_NODE' */ |
| 230 | | public function getAllowRepeat() { |
| 231 | | return $this->content_group_row['allow_repeat']; |
| 232 | | } |
| 233 | | |
| 234 | | /** When does the content rotate? |
| 235 | | * @param $allow_repeat One of the allow_repeatS constants defined in the class |
| 236 | | * @return true if successfull |
| 237 | | * */ |
| 238 | | protected function setAllowRepeat($allow_repeat, & $errormsg = null) { |
| 239 | | $retval = false; |
| 240 | | if (isset ($this->ALLOW_REPEAT_MODES[$allow_repeat]) && $allow_repeat != $this->getAllowRepeat()) /* Only update database if the mode is valid and there is an actual change */ { |
| 241 | | global $db; |
| 242 | | $allow_repeat = $db->escapeString($allow_repeat); |
| 243 | | $db->execSqlUpdate("UPDATE content_group SET allow_repeat = '$allow_repeat' WHERE content_group_id = '$this->id'", false); |
| 244 | | $this->refresh(); |
| 245 | | $retval = true; |
| 246 | | } |
| 247 | | elseif (!isset ($this->ALLOW_REPEAT_MODES[$allow_repeat])) { |
| 248 | | $errormsg = _("Invalid content selection mode (must be part of ALLOW_REPEAT_MODES)"); |
| 249 | | $retval = false; |
| 250 | | } else { |
| 251 | | /* Successfull, but nothing modified */ |
| 252 | | $retval = true; |
| 253 | | } |
| 254 | | return $retval; |
| 255 | | } |
| 256 | | |
| 257 | | /** How many element should be picked for display at once? |
| 258 | | * @return integer */ |
| 259 | | public function getDisplayNumElements() { |
| 260 | | if ($this->temporary_display_num_elements == null) |
| 261 | | return $this->content_group_row['display_num_elements']; |
| 262 | | else |
| 263 | | return $this->temporary_display_num_elements; |
| 264 | | } |
| 265 | | |
| 266 | | /** How many element should be picked for display at once? |
| 267 | | * @param $display_num_elements integer, must be greater than zero. |
| 268 | | * @return true if successfull |
| 269 | | * */ |
| 270 | | protected function setDisplayNumElements($display_num_elements, & $errormsg = null) { |
| 271 | | $retval = false; |
| 272 | | if (($display_num_elements > 0) && $display_num_elements != $this->getDisplayNumElements()) /* Only update database if the mode is valid and there is an actual change */ { |
| 273 | | global $db; |
| 274 | | $display_num_elements = $db->escapeString($display_num_elements); |
| 275 | | $db->execSqlUpdate("UPDATE content_group SET display_num_elements = '$display_num_elements' WHERE content_group_id = '$this->id'", false); |
| 276 | | $this->refresh(); |
| 277 | | $retval = true; |
| 278 | | } |
| 279 | | elseif ($display_num_elements <= 0) { |
| 280 | | $errormsg = _("You must display at least one element"); |
| 281 | | $retval = false; |
| 282 | | } else { |
| 283 | | /* Successfull, but nothing modified */ |
| 284 | | $retval = true; |
| 285 | | } |
| 286 | | return $retval; |
| 287 | | } |
| 288 | | |
| 289 | | /** |
| 290 | | * This will a temporary limit ( NOT ACTUALLY STORED IN DATABASE ) |
| 291 | | * Use getDisplayNumElements to get the number of elements that can be shown |
| 292 | | * at once |
| 293 | | */ |
| 294 | | private function setTemporaryDisplayNumElements($temporary_num_elements) { |
| 295 | | $this->temporary_display_num_elements = $temporary_num_elements; |
| 296 | | } |
| 297 | | |
| 298 | | public function getAdminUI($subclass_admin_interface = null, $title = null) { |
| 299 | | $html = ''; |
| 300 | | $html .= "<fieldset class='admin_element_group'>\n"; |
| 301 | | $html .= "<legend>" . sprintf(_("%s configuration"), get_class($this)) . "</legend>\n"; |
| 302 | | |
| 303 | | /* is_artistic_content */ |
| 304 | | $html .= "<li class='admin_element_item_container'>\n"; |
| 305 | | $html .= "<div class='admin_element_label'>Is artistic content?: </div>\n"; |
| 306 | | $html .= "<div class='admin_element_data'>\n"; |
| 307 | | $name = "content_group_" . $this->id . "_is_artistic_content"; |
| 308 | | $this->isArtisticContent() ? $checked = 'CHECKED' : $checked = ''; |
| 309 | | $html .= "<input type='checkbox' name='$name' $checked>\n"; |
| 310 | | $html .= "</div>\n"; |
| 311 | | $html .= "</li>\n"; |
| 312 | | |
| 313 | | /* is_locative_content */ |
| 314 | | $html .= "<li class='admin_element_item_container'>\n"; |
| 315 | | $html .= "<div class='admin_element_label'>" . ("Is locative content?") . ": </div>\n"; |
| 316 | | $html .= "<div class='admin_element_data'>\n"; |
| 317 | | $name = "content_group_" . $this->id . "_is_locative_content"; |
| 318 | | $this->isLocativeContent() ? $checked = 'CHECKED' : $checked = ''; |
| 319 | | $html .= "<input type='checkbox' name='$name' $checked>\n"; |
| 320 | | $html .= "</div>\n"; |
| 321 | | $html .= "</li>\n"; |
| 322 | | |
| 323 | | /* content_ordering_mode */ |
| 324 | | $html .= "<li class='admin_element_item_container'>\n"; |
| 325 | | $html .= "<div class='admin_element_label'>" . _("In what order should the content displayed?") . ": </div>\n"; |
| 326 | | $html .= "<div class='admin_element_data'>\n"; |
| 327 | | $name = "content_group_" . $this->id . "_content_ordering_mode"; |
| 328 | | |
| 329 | | $i = 0; |
| 330 | | $tab = null; |
| 331 | | foreach ($this->CONTENT_ORDERING_MODES as $select_mode_id => $select_mode_descr) { |
| 332 | | $tab[$i][0] = $select_mode_id; |
| 333 | | $tab[$i][1] = $select_mode_descr; |
| 334 | | $i++; |
| 335 | | } |
| 336 | | $html .= FormSelectGenerator :: generateFromArray($tab, $this->getContentOrderingMode(), $name, null, false); |
| 337 | | $html .= "</div>\n"; |
| 338 | | $html .= "</li>\n"; |
| 339 | | |
| 340 | | /*content_changes_on_mode */ |
| 341 | | $html .= "<li class='admin_element_item_container'>\n"; |
| 342 | | $html .= "<div class='admin_element_label'>" . _("When does the content rotate?") . ": </div>\n"; |
| 343 | | $html .= "<div class='admin_element_data'>\n"; |
| 344 | | $name = "content_group_" . $this->id . "_content_changes_on_mode"; |
| 345 | | $i = 0; |
| 346 | | $tab = null; |
| 347 | | foreach ($this->CONTENT_CHANGES_ON_MODES as $select_mode_id => $select_mode_descr) { |
| 348 | | $tab[$i][0] = $select_mode_id; |
| 349 | | $tab[$i][1] = $select_mode_descr; |
| 350 | | $i++; |
| 351 | | } |
| 352 | | $html .= FormSelectGenerator :: generateFromArray($tab, $this->getContentChangesOnMode(), $name, null, false); |
| 353 | | $html .= "</div>\n"; |
| 354 | | $html .= "</li>\n"; |
| 355 | | |
| 356 | | /* allow_repeat*/ |
| 357 | | $html .= "<li class='admin_element_item_container'>\n"; |
| 358 | | $html .= "<div class='admin_element_label'>" . _("Can content be shown more than once to the same user?") . ": </div>\n"; |
| 359 | | $html .= "<div class='admin_element_data'>\n"; |
| 360 | | $name = "content_group_" . $this->id . "_allow_repeat"; |
| 361 | | $i = 0; |
| 362 | | $tab = null; |
| 363 | | foreach ($this->ALLOW_REPEAT_MODES as $select_mode_id => $select_mode_descr) { |
| 364 | | $tab[$i][0] = $select_mode_id; |
| 365 | | $tab[$i][1] = $select_mode_descr; |
| 366 | | $i++; |
| 367 | | } |
| 368 | | $html .= FormSelectGenerator :: generateFromArray($tab, $this->getAllowRepeat(), $name, null, false); |
| 369 | | $html .= "</div>\n"; |
| 370 | | $html .= "</li>\n"; |
| 371 | | |
| 372 | | /*display_num_elements*/ |
| 373 | | $html .= "<li class='admin_element_item_container'>\n"; |
| 374 | | $html .= "<div class='admin_element_label'>" . ("Pick how many elements for each display?") . ": </div>\n"; |
| 375 | | $html .= "<div class='admin_element_data'>\n"; |
| 376 | | $name = "content_group_" . $this->id . "_display_num_elements"; |
| 377 | | $value = $this->getDisplayNumElements(); |
| 378 | | $html .= "<input type='text' size='2' value='$value' name='$name'>\n"; |
| 379 | | $html .= "</div>\n"; |
| 380 | | $html .= "</li>\n"; |
| 381 | | $html .= "</fieldset>\n"; |
| 382 | | |
| 383 | | $html .= "<li class='admin_element_item_container'>\n"; |
| 384 | | $html .= "<fieldset class='admin_element_group'>\n"; |
| 385 | | $html .= "<legend>" . sprintf(_("%s display element list"), get_class($this)) . "</legend>\n"; |
| 386 | | |
| 387 | | /* content_group_element*/ |
| 388 | | |
| 389 | | $html .= "<ul class='admin_element_list'>\n"; |
| 390 | | foreach ($this->getElements() as $element) { |
| 391 | | $html .= "<li class='admin_element_item_container'>\n"; |
| 392 | | $html .= $element->getAdminUI(null, sprintf(_("%s %d"), get_class($element), $element->getDisplayOrder())); |
| 393 | | $html .= "<div class='admin_element_tools'>\n"; |
| 394 | | $name = "content_group_" . $this->id . "_element_" . $element->GetId() . "_erase"; |
| 395 | | $html .= "<input type='submit' class='submit' name='$name' value='" . sprintf(_("Delete %s %d"), get_class($element), $element->getDisplayOrder()) . "'>"; |
| 396 | | $html .= "</div>\n"; |
| 397 | | $html .= "</li>\n"; |
| 398 | | } |
| 399 | | $html .= "<li class='admin_element_item_container'>\n"; |
| 400 | | $html .= self :: getNewContentUI("content_group_{$this->id}_new_element") . "<br>"; |
| 401 | | $html .= "</li>\n"; |
| 402 | | $html .= "<li class='admin_element_item_container'>\n"; |
| 403 | | $html .= self :: getSelectExistingContentUI("content_group_{$this->id}_existing_element", "AND content_id != '$this->id'"); |
| 404 | | $html .= "</li>\n"; |
| 405 | | $html .= "</ul>\n"; |
| 406 | | $html .= "</fieldset>\n"; |
| 407 | | $html .= "</li>\n"; |
| 408 | | $html .= $subclass_admin_interface; |
| 409 | | return parent :: getAdminUI($html, $title); |
| 410 | | } |
| 411 | | |
| 412 | | function processAdminUI() { |
| 413 | | // Init values |
| 414 | | $errmsg = null; |
| 415 | | |
| 416 | | if ($this->isOwner(User :: getCurrentUser()) || User :: getCurrentUser()->isSuperAdmin()) { |
| 417 | | parent :: processAdminUI(); |
| 418 | | |
| 419 | | /* is_artistic_content */ |
| 420 | | $name = "content_group_" . $this->id . "_is_artistic_content"; |
| 421 | | !empty ($_REQUEST[$name]) ? $this->setIsArtisticContent(true) : $this->setIsArtisticContent(false); |
| 422 | | |
| 423 | | /* is_locative_content */ |
| 424 | | $name = "content_group_" . $this->id . "_is_locative_content"; |
| 425 | | !empty ($_REQUEST[$name]) ? $this->setIsLocativeContent(true) : $this->setIsLocativeContent(false); |
| 426 | | |
| 427 | | /* content_ordering_mode */ |
| 428 | | $name = "content_group_" . $this->id . "_content_ordering_mode"; |
| 429 | | $this->setContentOrderingMode(FormSelectGenerator :: getResult($name, null)); |
| 430 | | |
| 431 | | /*content_changes_on_mode */ |
| 432 | | $name = "content_group_" . $this->id . "_content_changes_on_mode"; |
| 433 | | $this->setContentChangesOnMode(FormSelectGenerator :: getResult($name, null)); |
| 434 | | |
| 435 | | /* allow_repeat*/ |
| 436 | | $name = "content_group_" . $this->id . "_allow_repeat"; |
| 437 | | $this->setAllowRepeat(FormSelectGenerator :: getResult($name, null)); |
| 438 | | |
| 439 | | /*display_num_elements*/ |
| 440 | | $name = "content_group_" . $this->id . "_display_num_elements"; |
| 441 | | $this->setDisplayNumElements($_REQUEST[$name]); |
| 442 | | |
| 443 | | /* content_group_element */ |
| 444 | | foreach ($this->getElements() as $element) { |
| 445 | | $name = "content_group_" . $this->id . "_element_" . $element->GetId() . "_erase"; |
| 446 | | if (!empty ($_REQUEST[$name]) && $_REQUEST[$name] == true) { |
| 447 | | $element->delete($errmsg); |
| 448 | | } else { |
| 449 | | $element->processAdminUI(); |
| 450 | | } |
| 451 | | } |
| 452 | | |
| 453 | | // The two following calls will either add a new element or add an existing one ( depending on what button the user clicked |
| 454 | | /* We explicitely call the ContentGroupElement version of processNewContentUI */ |
| 455 | | ContentGroupElement :: processNewContentUI("content_group_{$this->id}_new_element", $this); |
| 456 | | // Last parameters allows for existing content ( if any was selected ) |
| 457 | | ContentGroupElement :: processNewContentUI("content_group_{$this->id}_existing_element", $this, true); |
| 458 | | } |
| 459 | | } |
| 460 | | |
| 461 | | /** Is this Content element displayable at this hotspot |
| 462 | | * @param $node Node, optionnal |
| 463 | | * @return true or false */ |
| 464 | | public function isDisplayableAt($node) { |
| 465 | | $old_curent_node = Node :: getCurrentNode(); |
| 466 | | Node :: setCurrentNode($node); |
| 467 | | |
| 468 | | if (count($this->getDisplayElements()) > 0) { |
| 469 | | $retval = true; |
| 470 | | } else { |
| 471 | | $retval = false; |
| 472 | | } |
| 473 | | |
| 474 | | if ($old_curent_node != null) { |
| 475 | | Node :: setCurrentNode($old_curent_node); |
| 476 | | } |
| 477 | | |
| 478 | | return $retval; |
| 479 | | } |
| 480 | | |
| 481 | | /**Get the next element or elements to be displayed, depending on the display mode |
| 482 | | * @return an array of ContentGroupElement or an empty arrray */ |
| 483 | | function getDisplayElements() { |
| 484 | | // Define globals |
| 485 | | global $db; |
| 486 | | |
| 487 | | // Init values |
| 488 | | $retval = array (); |
| 489 | | $user = User :: getCurrentUser(); |
| 490 | | $redisplay_rows = null; |
| 491 | | $last_order_row = null; |
| 492 | | $element_rows = null; |
| 493 | | |
| 494 | | if ($user) { |
| 495 | | $user_id = $user->getId(); |
| 496 | | } else { |
| 497 | | $user_id = ''; |
| 498 | | } |
| 499 | | $node = Node :: getCurrentNode(); |
| 500 | | if ($node) { |
| 501 | | $node_id = $node->getId(); |
| 502 | | } else { |
| 503 | | $node_id = ''; |
| 504 | | } |
| 505 | | $display_num_elements = $this->getDisplayNumElements(); |
| 506 | | |
| 507 | | /** First, find if we have content to display again because we haven't passed the rotation period */ |
| 508 | | /* 'ALWAYS' => "Content always rotates" |
| 509 | | * 'NEXT_DAY' => "Content rotates once per day" |
| 510 | | * 'NEXT_LOGIN' => "Content rotates once per session" |
| 511 | | * 'NEXT_NODE' => "Content rotates each time you change node"*/ |
| 512 | | $content_changes_on_mode = $this->getContentChangesOnMode(); |
| 513 | | |
| 514 | | $redisplay_objects = array (); |
| 515 | | if ($content_changes_on_mode != 'ALWAYS') { |
| 516 | | $sql = "SELECT content_group_element_id FROM content_group_element \n"; |
| 517 | | $sql .= "JOIN content_display_log ON (content_group_element_id=content_id) \n"; |
| 518 | | $sql .= " WHERE content_group_id='$this->id' \n"; |
| 519 | | |
| 520 | | if ($content_changes_on_mode == 'NEXT_DAY') { |
| 521 | | $sql .= "AND date_trunc('day', last_display_timestamp) = date_trunc('day', CURRENT_DATE) \n"; |
| 522 | | } |
| 523 | | if ($content_changes_on_mode == 'NEXT_LOGIN') { |
| 524 | | /**@todo Must fix, this will fail if the user never really connected from a hotspot... */ |
| 525 | | $sql .= "AND last_display_timestamp > (SELECT timestamp_in FROM connections WHERE user_id='$user_id' ORDER BY timestamp_in DESC LIMIT 1) \n"; |
| 526 | | } |
| 527 | | if ($content_changes_on_mode == 'NEXT_NODE') { |
| 528 | | /** We find the close time of the last connection from another node */ |
| 529 | | $sql .= "AND last_display_timestamp > (SELECT timestamp_out FROM connections WHERE user_id='$user_id' AND node_id != '$node_id' ORDER BY timestamp_in DESC LIMIT 1) \n"; |
| 530 | | } |
| 531 | | /* There usually won't be more than one, but if there is, we want the most recents */ |
| 532 | | $sql .= " ORDER BY last_display_timestamp DESC "; |
| 533 | | $db->execSql($sql, $redisplay_rows, false); |
| 534 | | $redisplay_objects = array (); |
| 535 | | if ($redisplay_rows != null) { |
| 536 | | foreach ($redisplay_rows as $redisplay_row) { |
| 537 | | $object = self :: getObject($redisplay_row['content_group_element_id']); |
| 538 | | if ($object->isDisplayableAt(Node :: GetCurrentNode()) == true) /** Only content available at this hotspot are considered */ |
| 539 | | { |
| 540 | | $redisplay_objects[] = $object; |
| 541 | | } |
| 542 | | } |
| 543 | | } |
| 544 | | /* Pick the proper number of elements to be re-displayed */ |
| 545 | | $redisplay_objects = array_slice($redisplay_objects, 0, $display_num_elements); |
| 546 | | |
| 547 | | } |
| 548 | | |
| 549 | | $new_objects = array (); |
| 550 | | if (count($redisplay_objects) < $display_num_elements) { |
| 551 | | /* There aren't enough elements to redisplay, We need new content */ |
| 552 | | |
| 553 | | $sql_base = "SELECT content_group_element_id FROM content_group_element WHERE content_group_id='$this->id' \n"; |
| | 62 | private $CONTENT_ORDERING_MODES = array ( |
| | 63 | 'RANDOM' => "Pick content elements randomly", |
| | 64 | 'PSEUDO_RANDOM' => "Pick content elements randomly, but do not display the same content twice untill all content has been seen", |
| | 65 | 'SEQUENTIAL' => "Pick content elements in sequential order" |
| | 66 | ); |
| | 67 | private $CONTENT_CHANGES_ON_MODES = array ( |
| | 68 | 'ALWAYS' => "Content always rotates", |
| | 69 | 'NEXT_DAY' => "Content rotates once per day", |
| | 70 | 'NEXT_LOGIN' => "Content rotates once per session", |
| | 71 | 'NEXT_NODE' => "Content rotates each time you change node" |
| | 72 | ); |
| | 73 | private $ALLOW_REPEAT_MODES = array ( |
| | 74 | 'YES' => "Content can be shown more than once", |
| | 75 | 'NO' => "Content can only be shown once", |
| | 76 | 'ONCE_PER_NODE' => "Content can be shown more than once, but not at the same node" |
| | 77 | ); |
| | 78 | |
| | 79 | protected $is_artistic_content; |
| | 80 | protected $is_locative_content; |
| | 81 | |
| | 82 | // is_expandable is ONLY for internal use, it use normally only set by the constructor |
| | 83 | private $is_expandable = true; |
| | 84 | // this is the actual publicly available status ( so if is_expandable == true it CANNOT be true ) |
| | 85 | private $expand_status = false; |
| | 86 | private $temporary_display_num_elements; |
| | 87 | |
| | 88 | private $content_selection_mode; |
| | 89 | private $content_group_row; |
| | 90 | /** ContentTypeFilter object */ |
| | 91 | protected $allowed_content_types; |
| | 92 | |
| | 93 | protected function __construct($content_id) { |
| | 94 | // Define globals |
| | 95 | global $db; |
| | 96 | |
| | 97 | // Init values |
| | 98 | $row = null; |
| | 99 | |
| | 100 | parent :: __construct($content_id); |
| | 101 | |
| | 102 | $content_id = $db->escapeString($content_id); |
| | 103 | |
| | 104 | $sql = "SELECT * FROM content_group WHERE content_group_id='$content_id'"; |
| | 105 | $db->execSqlUniqueRes($sql, $row, false); |
| | 106 | if ($row == null) { |
| | 107 | /*Since the parent Content exists, the necessary data in content_group had not yet been created */ |
| | 108 | $sql = "INSERT INTO content_group (content_group_id) VALUES ('$content_id')"; |
| | 109 | $db->execSqlUpdate($sql, false); |
| | 110 | $sql = "SELECT * FROM content_group WHERE content_group_id='$content_id'"; |
| | 111 | $db->execSqlUniqueRes($sql, $row, false); |
| | 112 | if ($row == null) { |
| | 113 | throw new Exception(_("The content with the following id could not be found in the database: ") . $content_id); |
| | 114 | } |
| | 115 | |
| | 116 | } |
| | 117 | |
| | 118 | $this->content_group_row = $row; |
| | 119 | |
| | 120 | // These are for internal use only ( private and protected methods ) for dealing with expanding content |
| | 121 | $this->setTemporaryDisplayNumElements(null); |
| | 122 | } |
| | 123 | |
| | 124 | /** Set if the content group is artistic in nature, |
| | 125 | * @param $is_artistic_content true or false*/ |
| | 126 | public function setAllowedContentTypes(ContentTypeFilter $allowed_content_types) { |
| | 127 | $this->allowed_content_types = $allowed_content_types; |
| | 128 | |
| | 129 | } |
| | 130 | /** Is the content group artistic in nature? |
| | 131 | * @return true or false */ |
| | 132 | public function isArtisticContent() { |
| | 133 | if ($this->content_group_row['is_artistic_content'] == 't') { |
| | 134 | $retval = true; |
| | 135 | } else { |
| | 136 | $retval = false; |
| | 137 | } |
| | 138 | return $retval; |
| | 139 | } |
| | 140 | |
| | 141 | /** Set if the content group is artistic in nature, |
| | 142 | * @param $is_artistic_content true or false*/ |
| | 143 | public function setIsArtisticContent($is_artistic_content) { |
| | 144 | if ($is_artistic_content != $this->isArtisticContent()) /* Only update database if there is an actual change */ { |
| | 145 | $is_artistic_content ? $is_artistic_content_sql = 'TRUE' : $is_artistic_content_sql = 'FALSE'; |
| | 146 | |
| | 147 | global $db; |
| | 148 | $db->execSqlUpdate("UPDATE content_group SET is_artistic_content = $is_artistic_content_sql WHERE content_group_id = '$this->id'", false); |
| | 149 | $this->refresh(); |
| | 150 | } |
| | 151 | |
| | 152 | } |
| | 153 | |
| | 154 | /** Does the content shown or generated by the content group directly related to where it is viewed from? |
| | 155 | * @return true or false */ |
| | 156 | public function isLocativeContent() { |
| | 157 | if ($this->content_group_row['is_locative_content'] == 't') { |
| | 158 | $retval = true; |
| | 159 | } else { |
| | 160 | $retval = false; |
| | 161 | } |
| | 162 | return $retval; |
| | 163 | } |
| | 164 | |
| | 165 | /** Set if the content group is locative |
| | 166 | * @param $is_locative_content true or false |
| | 167 | * */ |
| | 168 | public function setIsLocativeContent($is_locative_content) { |
| | 169 | if ($is_locative_content != $this->isLocativeContent()) /* Only update database if there is an actual change */ { |
| | 170 | $is_locative_content ? $is_locative_content_sql = 'TRUE' : $is_locative_content_sql = 'FALSE'; |
| | 171 | |
| | 172 | global $db; |
| | 173 | $db->execSqlUpdate("UPDATE content_group SET is_locative_content = $is_locative_content_sql WHERE content_group_id = '$this->id'", false); |
| | 174 | $this->refresh(); |
| | 175 | } |
| | 176 | |
| | 177 | } |
| | 178 | |
| | 179 | /** In what order is the content displayed to the user |
| | 180 | * @return string, a key of CONTENT_SELECTION_MODES */ |
| | 181 | public function getContentOrderingMode() { |
| | 182 | return $this->content_group_row['content_ordering_mode']; |
| | 183 | } |
| | 184 | |
| | 185 | /** In what order is the content displayed to the user |
| | 186 | * @param $content_ordering_mode One of the CONTENT_ORDERING_MODES constants defined in the class |
| | 187 | * @return true if successfull |
| | 188 | * */ |
| | 189 | protected function setContentOrderingMode($content_ordering_mode, & $errormsg = null) { |
| | 190 | $retval = false; |
| | 191 | if (isset ($this->CONTENT_ORDERING_MODES[$content_ordering_mode]) && $content_ordering_mode != $this->getContentOrderingMode()) /* Only update database if the mode is valid and there is an actual change */ { |
| | 192 | global $db; |
| | 193 | $content_ordering_mode = $db->escapeString($content_ordering_mode); |
| | 194 | $db->execSqlUpdate("UPDATE content_group SET content_ordering_mode = '$content_ordering_mode' WHERE content_group_id = '$this->id'", false); |
| | 195 | $this->refresh(); |
| | 196 | $retval = true; |
| | 197 | } |
| | 198 | elseif (!isset ($this->CONTENT_ORDERING_MODES[$content_ordering_mode])) { |
| | 199 | $errormsg = _("Invalid content selection mode (must be part of CONTENT_ORDERING_MODES)"); |
| | 200 | $retval = false; |
| | 201 | } else { |
| | 202 | /* Successfull, but nothing modified */ |
| | 203 | $retval = true; |
| | 204 | } |
| | 205 | return $retval; |
| | 206 | } |
| | 207 | |
| | 208 | /** When does the content rotate? |
| | 209 | * @return string, a key of CONTENT_SELECTION_MODES */ |
| | 210 | public function getContentChangesOnMode() { |
| | 211 | return $this->content_group_row['content_changes_on_mode']; |
| | 212 | } |
| | 213 | |
| | 214 | /** When does the content rotate? |
| | 215 | * @param $content_changes_on_mode One of the content_changes_on_modeS constants defined in the class |
| | 216 | * @return true if successfull |
| | 217 | * */ |
| | 218 | protected function setContentChangesOnMode($content_changes_on_mode, & $errormsg = null) { |
| | 219 | $retval = false; |
| | 220 | if (isset ($this->CONTENT_CHANGES_ON_MODES[$content_changes_on_mode]) && $content_changes_on_mode != $this->getContentChangesOnMode()) /* Only update database if the mode is valid and there is an actual change */ { |
| | 221 | global $db; |
| | 222 | $content_changes_on_mode = $db->escapeString($content_changes_on_mode); |
| | 223 | $db->execSqlUpdate("UPDATE content_group SET content_changes_on_mode = '$content_changes_on_mode' WHERE content_group_id = '$this->id'", false); |
| | 224 | $this->refresh(); |
| | 225 | $retval = true; |
| | 226 | } |
| | 227 | elseif (!isset ($this->CONTENT_CHANGES_ON_MODES[$content_changes_on_mode])) { |
| | 228 | $errormsg = _("Invalid content selection mode (must be part of CONTENT_CHANGES_ON_MODES)"); |
| | 229 | $retval = false; |
| | 230 | } else { |
| | 231 | /* Successfull, but nothing modified */ |
| | 232 | $retval = true; |
| | 233 | } |
| | 234 | return $retval; |
| | 235 | } |
| | 236 | |
| | 237 | /** Can the same content be shown twice |
| | 238 | * @return 'YES', 'NO', 'ONCE_PER_NODE' */ |
| | 239 | public function getAllowRepeat() { |
| | 240 | return $this->content_group_row['allow_repeat']; |
| | 241 | } |
| | 242 | |
| | 243 | /** When does the content rotate? |
| | 244 | * @param $allow_repeat One of the allow_repeatS constants defined in the class |
| | 245 | * @return true if successfull |
| | 246 | * */ |
| | 247 | protected function setAllowRepeat($allow_repeat, & $errormsg = null) { |
| | 248 | $retval = false; |
| | 249 | if (isset ($this->ALLOW_REPEAT_MODES[$allow_repeat]) && $allow_repeat != $this->getAllowRepeat()) /* Only update database if the mode is valid and there is an actual change */ { |
| | 250 | global $db; |
| | 251 | $allow_repeat = $db->escapeString($allow_repeat); |
| | 252 | $db->execSqlUpdate("UPDATE content_group SET allow_repeat = '$allow_repeat' WHERE content_group_id = '$this->id'", false); |
| | 253 | $this->refresh(); |
| | 254 | $retval = true; |
| | 255 | } |
| | 256 | elseif (!isset ($this->ALLOW_REPEAT_MODES[$allow_repeat])) { |
| | 257 | $errormsg = _("Invalid content selection mode (must be part of ALLOW_REPEAT_MODES)"); |
| | 258 | $retval = false; |
| | 259 | } else { |
| | 260 | /* Successfull, but nothing modified */ |
| | 261 | $retval = true; |
| | 262 | } |
| | 263 | return $retval; |
| | 264 | } |
| | 265 | |
| | 266 | /** How many element should be picked for display at once? |
| | 267 | * @return integer */ |
| | 268 | public function getDisplayNumElements() { |
| | 269 | if ($this->temporary_display_num_elements == null) |
| | 270 | return $this->content_group_row['display_num_elements']; |
| | 271 | else |
| | 272 | return $this->temporary_display_num_elements; |
| | 273 | } |
| | 274 | |
| | 275 | /** How many element should be picked for display at once? |
| | 276 | * @param $display_num_elements integer, must be greater than zero. |
| | 277 | * @return true if successfull |
| | 278 | * */ |
| | 279 | protected function setDisplayNumElements($display_num_elements, & $errormsg = null) { |
| | 280 | $retval = false; |
| | 281 | if (($display_num_elements > 0) && $display_num_elements != $this->getDisplayNumElements()) /* Only update database if the mode is valid and there is an actual change */ { |
| | 282 | global $db; |
| | 283 | $display_num_elements = $db->escapeString($display_num_elements); |
| | 284 | $db->execSqlUpdate("UPDATE content_group SET display_num_elements = '$display_num_elements' WHERE content_group_id = '$this->id'", false); |
| | 285 | $this->refresh(); |
| | 286 | $retval = true; |
| | 287 | } |
| | 288 | elseif ($display_num_elements <= 0) { |
| | 289 | $errormsg = _("You must display at least one element"); |
| | 290 | $retval = false; |
| | 291 | } else { |
| | 292 | /* Successfull, but nothing modified */ |
| | 293 | $retval = true; |
| | 294 | } |
| | 295 | return $retval; |
| | 296 | } |
| | 297 | |
| | 298 | /** |
| | 299 | * This will a temporary limit ( NOT ACTUALLY STORED IN DATABASE ) |
| | 300 | * Use getDisplayNumElements to get the number of elements that can be shown |
| | 301 | * at once |
| | 302 | */ |
| | 303 | private function setTemporaryDisplayNumElements($temporary_num_elements) { |
| | 304 | $this->temporary_display_num_elements = $temporary_num_elements; |
| | 305 | } |
| | 306 | |
| | 307 | public function getAdminUI($subclass_admin_interface = null, $title = null) { |
| | 308 | $html = ''; |
| | 309 | $html .= "<fieldset class='admin_element_group'>\n"; |
| | 310 | $html .= "<legend>" . sprintf(_("%s configuration"), get_class($this)) . "</legend>\n"; |
| | 311 | |
| | 312 | /* is_artistic_content */ |
| | 313 | $html .= "<li class='admin_element_item_container'>\n"; |
| | 314 | $html .= "<div class='admin_element_label'>Is artistic content?: </div>\n"; |
| | 315 | $html .= "<div class='admin_element_data'>\n"; |
| | 316 | $name = "content_group_" . $this->id . "_is_artistic_content"; |
| | 317 | $this->isArtisticContent() ? $checked = 'CHECKED' : $checked = ''; |
| | 318 | $html .= "<input type='checkbox' name='$name' $checked>\n"; |
| | 319 | $html .= "</div>\n"; |
| | 320 | $html .= "</li>\n"; |
| | 321 | |
| | 322 | /* is_locative_content */ |
| | 323 | $html .= "<li class='admin_element_item_container'>\n"; |
| | 324 | $html .= "<div class='admin_element_label'>" . ("Is locative content?") . ": </div>\n"; |
| | 325 | $html .= "<div class='admin_element_data'>\n"; |
| | 326 | $name = "content_group_" . $this->id . "_is_locative_content"; |
| | 327 | $this->isLocativeContent() ? $checked = 'CHECKED' : $checked = ''; |
| | 328 | $html .= "<input type='checkbox' name='$name' $checked>\n"; |
| | 329 | $html .= "</div>\n"; |
| | 330 | $html .= "</li>\n"; |
| | 331 | |
| | 332 | /* content_ordering_mode */ |
| | 333 | $html .= "<li class='admin_element_item_container'>\n"; |
| | 334 | $html .= "<div class='admin_element_label'>" . _("In what order should the content displayed?") . ": </div>\n"; |
| | 335 | $html .= "<div class='admin_element_data'>\n"; |
| | 336 | $name = "content_group_" . $this->id . "_content_ordering_mode"; |
| | 337 | |
| | 338 | $i = 0; |
| | 339 | $tab = null; |
| | 340 | foreach ($this->CONTENT_ORDERING_MODES as $select_mode_id => $select_mode_descr) { |
| | 341 | $tab[$i][0] = $select_mode_id; |
| | 342 | $tab[$i][1] = $select_mode_descr; |
| | 343 | $i++; |
| | 344 | } |
| | 345 | $html .= FormSelectGenerator :: generateFromArray($tab, $this->getContentOrderingMode(), $name, null, false); |
| | 346 | $html .= "</div>\n"; |
| | 347 | $html .= "</li>\n"; |
| | 348 | |
| | 349 | /*content_changes_on_mode */ |
| | 350 | $html .= "<li class='admin_element_item_container'>\n"; |
| | 351 | $html .= "<div class='admin_element_label'>" . _("When does the content rotate?") . ": </div>\n"; |
| | 352 | $html .= "<div class='admin_element_data'>\n"; |
| | 353 | $name = "content_group_" . $this->id . "_content_changes_on_mode"; |
| | 354 | $i = 0; |
| | 355 | $tab = null; |
| | 356 | foreach ($this->CONTENT_CHANGES_ON_MODES as $select_mode_id => $select_mode_descr) { |
| | 357 | $tab[$i][0] = $select_mode_id; |
| | 358 | $tab[$i][1] = $select_mode_descr; |
| | 359 | $i++; |
| | 360 | } |
| | 361 | $html .= FormSelectGenerator :: generateFromArray($tab, $this->getContentChangesOnMode(), $name, null, false); |
| | 362 | $html .= "</div>\n"; |
| | 363 | $html .= "</li>\n"; |
| | 364 | |
| | 365 | /* allow_repeat*/ |
| | 366 | $html .= "<li class='admin_element_item_container'>\n"; |
| | 367 | $html .= "<div class='admin_element_label'>" . _("Can content be shown more than once to the same user?") . ": </div>\n"; |
| | 368 | $html .= "<div class='admin_element_data'>\n"; |
| | 369 | $name = "content_group_" . $this->id . "_allow_repeat"; |
| | 370 | $i = 0; |
| | 371 | $tab = null; |
| | 372 | foreach ($this->ALLOW_REPEAT_MODES as $select_mode_id => $select_mode_descr) { |
| | 373 | $tab[$i][0] = $select_mode_id; |
| | 374 | $tab[$i][1] = $select_mode_descr; |
| | 375 | $i++; |
| | 376 | } |
| | 377 | $html .= FormSelectGenerator :: generateFromArray($tab, $this->getAllowRepeat(), $name, null, false); |
| | 378 | $html .= "</div>\n"; |
| | 379 | $html .= "</li>\n"; |
| | 380 | |
| | 381 | /*display_num_elements*/ |
| | 382 | $html .= "<li class='admin_element_item_container'>\n"; |
| | 383 | $html .= "<div class='admin_element_label'>" . ("Pick how many elements for each display?") . ": </div>\n"; |
| | 384 | $html .= "<div class='admin_element_data'>\n"; |
| | 385 | $name = "content_group_" . $this->id . "_display_num_elements"; |
| | 386 | $value = $this->getDisplayNumElements(); |
| | 387 | $html .= "<input type='text' size='2' value='$value' name='$name'>\n"; |
| | 388 | $html .= "</div>\n"; |
| | 389 | $html .= "</li>\n"; |
| | 390 | $html .= "</fieldset>\n"; |
| | 391 | |
| | 392 | $html .= "<li class='admin_element_item_container'>\n"; |
| | 393 | $html .= "<fieldset class='admin_element_group'>\n"; |
| | 394 | $html .= "<legend>" . sprintf(_("%s display element list"), get_class($this)) . "</legend>\n"; |
| | 395 | |
| | 396 | /* content_group_element*/ |
| | 397 | |
| | 398 | $html .= "<ul class='admin_element_list'>\n"; |
| | 399 | foreach ($this->getElements("AND (valid_until_timestamp IS NULL OR valid_until_timestamp >= CURRENT_TIMESTAMP) \n") as $element) { |
| | 400 | $html .= "<li class='admin_element_item_container'>\n"; |
| | 401 | $html .= $element->getAdminUI(null, sprintf(_("%s %d"), get_class($element), $element->getDisplayOrder())); |
| | 402 | $html .= "<div class='admin_element_tools'>\n"; |
| | 403 | $name = "content_group_" . $this->id . "_element_" . $element->GetId() . "_erase"; |
| | 404 | $html .= "<input type='submit' class='submit' name='$name' value='" . sprintf(_("Delete %s %d"), get_class($element), $element->getDisplayOrder()) . "'>"; |
| | 405 | $html .= "</div>\n"; |
| | 406 | $html .= "</li>\n"; |
| | 407 | } |
| | 408 | $html .= "<li class='admin_element_item_container'>\n"; |
| | 409 | $html .= self :: getNewContentUI("content_group_{$this->id}_new_element", $this->allowed_content_types); |
| | 410 | $html .= "</li>\n"; |
| | 411 | $html .= "<li class='admin_element_item_container'>\n"; |
| | 412 | $html .= self :: getSelectExistingContentUI("content_group_{$this->id}_existing_element", "AND content_id != '$this->id'", $this->allowed_content_types); |
| | 413 | $html .= "</li>\n"; |
| | 414 | $html .= "</ul>\n"; |
| | 415 | $html .= "</fieldset>\n"; |
| | 416 | $html .= "</li>\n"; |
| | 417 | $html .= $subclass_admin_interface; |
| | 418 | return parent :: getAdminUI($html, $title); |
| | 419 | } |
| | 420 | |
| | 421 | function processAdminUI() { |
| | 422 | // Init values |
| | 423 | $errmsg = null; |
| | 424 | |
| | 425 | if ($this->isOwner(User :: getCurrentUser()) || User :: getCurrentUser()->isSuperAdmin()) { |
| | 426 | parent :: processAdminUI(); |
| | 427 | |
| | 428 | /* is_artistic_content */ |
| | 429 | $name = "content_group_" . $this->id . "_is_artistic_content"; |
| | 430 | !empty ($_REQUEST[$name]) ? $this->setIsArtisticContent(true) : $this->setIsArtisticContent(false); |
| | 431 | |
| | 432 | /* is_locative_content */ |
| | 433 | $name = "content_group_" . $this->id . "_is_locative_content"; |
| | 434 | !empty ($_REQUEST[$name]) ? $this->setIsLocativeContent(true) : $this->setIsLocativeContent(false); |
| | 435 | |
| | 436 | /* content_ordering_mode */ |
| | 437 | $name = "content_group_" . $this->id . "_content_ordering_mode"; |
| | 438 | $this->setContentOrderingMode(FormSelectGenerator :: getResult($name, null)); |
| | 439 | |
| | 440 | /*content_changes_on_mode */ |
| | 441 | $name = "content_group_" . $this->id . "_content_changes_on_mode"; |
| | 442 | $this->setContentChangesOnMode(FormSelectGenerator :: getResult($name, null)); |
| | 443 | |
| | 444 | /* allow_repeat*/ |
| | 445 | $name = "content_group_" . $this->id . "_allow_repeat"; |
| | 446 | $this->setAllowRepeat(FormSelectGenerator :: getResult($name, null)); |
| | 447 | |
| | 448 | /*display_num_elements*/ |
| | 449 | $name = "content_group_" . $this->id . "_display_num_elements"; |
| | 450 | $this->setDisplayNumElements($_REQUEST[$name]); |
| | 451 | |
| | 452 | /* content_group_element */ |
| | 453 | foreach ($this->getElements("AND (valid_until_timestamp IS NULL OR valid_until_timestamp >= CURRENT_TIMESTAMP) \n") as $element) { |
| | 454 | $name = "content_group_" . $this->id . "_element_" . $element->GetId() . "_erase"; |
| | 455 | if (!empty ($_REQUEST[$name]) && $_REQUEST[$name] == true) { |
| | 456 | $element->delete($errmsg); |
| | 457 | } else { |
| | 458 | $element->processAdminUI(); |
| | 459 | } |
| | 460 | } |
| | 461 | |
| | 462 | // The two following calls will either add a new element or add an existing one ( depending on what button the user clicked |
| | 463 | /* We explicitely call the ContentGroupElement version of processNewContentUI */ |
| | 464 | ContentGroupElement :: processNewContentUI("content_group_{$this->id}_new_element", $this); |
| | 465 | // Last parameters allows for existing content ( if any was selected ) |
| | 466 | ContentGroupElement :: processNewContentUI("content_group_{$this->id}_existing_element", $this, true); |
| | 467 | } |
| | 468 | } |
| | 469 | |
| | 470 | /** Is this Content element displayable at this hotspot |
| | 471 | * @param $node Node, optionnal |
| | 472 | * @return true or false */ |
| | 473 | public function isDisplayableAt($node) { |
| | 474 | $old_curent_node = Node :: getCurrentNode(); |
| | 475 | Node :: setCurrentNode($node); |
| | 476 | |
| | 477 | if (count($this->getDisplayElements()) > 0) { |
| | 478 | $retval = true; |
| | 479 | } else { |
| | 480 | $retval = false; |
| | 481 | } |
| | 482 | |
| | 483 | if ($old_curent_node != null) { |
| | 484 | Node :: setCurrentNode($old_curent_node); |
| | 485 | } |
| | 486 | |
| | 487 | return $retval; |
| | 488 | } |
| | 489 | |
| | 490 | /**Get the next element or elements to be displayed, depending on the display mode |
| | 491 | * @return an array of ContentGroupElement or an empty arrray */ |
| | 492 | function getDisplayElements() { |
| | 493 | // Define globals |
| | 494 | global $db; |
| | 495 | |
| | 496 | // Init values |
| | 497 | $retval = array (); |
| | 498 | $user = User :: getCurrentUser(); |
| | 499 | $redisplay_rows = null; |
| | 500 | $last_order_row = null; |
| | 501 | $element_rows = null; |
| | 502 | |
| | 503 | if ($user) { |
| | 504 | $user_id = $user->getId(); |
| | 505 | } else { |
| | 506 | $user_id = ''; |
| | 507 | } |
| | 508 | $node = Node :: getCurrentNode(); |
| | 509 | if ($node) { |
| | 510 | $node_id = $node->getId(); |
| | 511 | } else { |
| | 512 | $node_id = ''; |
| | 513 | } |
| | 514 | $display_num_elements = $this->getDisplayNumElements(); |
| | 515 | /* 'ALWAYS' => "Content always rotates" |
| | 516 | * 'NEXT_DAY' => "Content rotates once per day" |
| | 517 | * 'NEXT_LOGIN' => "Content rotates once per session" |
| | 518 | * 'NEXT_NODE' => "Content rotates each time you change node"*/ |
| | 519 | $content_changes_on_mode = $this->getContentChangesOnMode(); |
| | 520 | |
| | 521 | $sql_time_restrictions = " AND (valid_from_timestamp IS NULL OR valid_from_timestamp <= CURRENT_TIMESTAMP) AND (valid_until_timestamp IS NULL OR valid_until_timestamp >= CURRENT_TIMESTAMP) \n"; |
| | 522 | /** First, find if we have content to display again because we haven't passed the rotation period */ |
| | 523 | $redisplay_objects = array (); |
| | 524 | if ($content_changes_on_mode != 'ALWAYS') { |
| | 525 | $sql = "SELECT content_group_element_id FROM content_group_element \n"; |
| | 526 | $sql .= "JOIN content_display_log ON (content_group_element_id=content_id) \n"; |
| | 527 | $sql .= " WHERE content_group_id='$this->id' \n"; |
| | 528 | $sql .= $sql_time_restrictions; |
| | 529 | |
| | 530 | if ($content_changes_on_mode == 'NEXT_DAY') { |
| | 531 | $sql .= "AND date_trunc('day', last_display_timestamp) = date_trunc('day', CURRENT_DATE) \n"; |
| | 532 | } |
| | 533 | if ($content_changes_on_mode == 'NEXT_LOGIN') { |
| | 534 | /**@todo Must fix, this will fail if the user never really connected from a hotspot... */ |
| | 535 | $sql .= "AND last_display_timestamp > (SELECT timestamp_in FROM connections WHERE user_id='$user_id' ORDER BY timestamp_in DESC LIMIT 1) \n"; |
| | 536 | } |
| | 537 | if ($content_changes_on_mode == 'NEXT_NODE') { |
| | 538 | /** We find the close time of the last connection from another node */ |
| | 539 | $sql .= "AND last_display_timestamp > (SELECT timestamp_out FROM connections WHERE user_id='$user_id' AND node_id != '$node_id' ORDER BY timestamp_in DESC LIMIT 1) \n"; |
| | 540 | } |
| | 541 | /* There usually won't be more than one, but if there is, we want the most recents */ |
| | 542 | $sql .= " ORDER BY last_display_timestamp DESC "; |
| | 543 | $db->execSql($sql, $redisplay_rows, false); |
| | 544 | $redisplay_objects = array (); |
| | 545 | if ($redisplay_rows != null) { |
| | 546 | foreach ($redisplay_rows as $redisplay_row) { |
| | 547 | $object = self :: getObject($redisplay_row['content_group_element_id']); |
| | 548 | if ($object->isDisplayableAt(Node :: GetCurrentNode()) == true) /** Only content available at this hotspot are considered */ |
| | 549 | { |
| | 550 | $redisplay_objects[] = $object; |
| | 551 | } |
| | 552 | } |
| | 553 | } |
| | 554 | /* Pick the proper number of elements to be re-displayed */ |
| | 555 | $redisplay_objects = array_slice($redisplay_objects, 0, $display_num_elements); |
| | 556 | |
| | 557 | } |
| | 558 | |
| | 559 | $new_objects = array (); |
| | 560 | if (count($redisplay_objects) < $display_num_elements) { |
| | 561 | /* There aren't enough elements to redisplay, We need new content */ |
| | 562 | |
| | 563 | $sql_base = "SELECT content_group_element_id FROM content_group_element WHERE content_group_id='$this->id' \n"; |
| | 564 | $sql_base .= $sql_time_restrictions; |
| 556 | | /*'YES' => "Content can be shown more than once", 'NO' => "Content can only be shown once", 'ONCE_PER_NODE' => "Content can be shown more than once, but not at the same node"*/ |
| 557 | | $allow_repeat = $this->getAllowRepeat(); |
| 558 | | if ($allow_repeat == 'NO') { |
| 559 | | $sql_repeat .= "AND content_group_element_id NOT IN (SELECT content_id FROM content_display_log WHERE user_id = '$user_id') \n"; |
| 560 | | } |
| 561 | | elseif ($allow_repeat == 'ONCE_PER_NODE') { |
| 562 | | $sql_repeat .= "AND content_group_element_id NOT IN (SELECT content_id FROM content_display_log WHERE user_id = '$user_id' AND node_id = '$node_id') \n"; |
| 563 | | } |
| 564 | | else |
| 565 | | { |
| 566 | | $sql_repeat=null; |
| 567 | | } |
| 568 | | $sql .= $sql_repeat; |
| 569 | | |
| 570 | | $content_ordering_mode = $this->getContentOrderingMode(); |
| 571 | | if ($content_ordering_mode == 'SEQUENTIAL') { |
| 572 | | $order_by = ' ORDER BY display_order '; |
| 573 | | //Find the last content displayed |
| 574 | | $sql_last_order = "SELECT display_order FROM content_group_element \n"; |
| 575 | | $sql_last_order .= "JOIN content_display_log ON (content_group_element_id=content_id) \n"; |
| 576 | | $sql_last_order .= " WHERE content_group_id='$this->id' \n"; |
| 577 | | $sql_last_order .= " ORDER BY last_display_timestamp DESC LIMIT 1"; |
| 578 | | $db->execSqlUniqueRes($sql_last_order, $last_order_row, false); |
| 579 | | if ($last_order_row['display_order'] != null) { |
| 580 | | $last_order = $last_order_row['display_order']; |
| 581 | | } else { |
| 582 | | $last_order = 0; |
| 583 | | } |
| 584 | | } else { |
| 585 | | $order_by = ' '; |
| 586 | | } |
| 587 | | $sql .= $order_by; |
| 588 | | |
| 589 | | $element_rows = null; |
| 590 | | if ($content_ordering_mode == 'PSEUDO_RANDOM') { |
| 591 | | //Special case, first get only the rows that haven't been displayed before' |
| 592 | | $sql_no_repeat = " AND content_group_element_id NOT IN (SELECT content_id FROM content_display_log WHERE user_id = '$user_id') \n"; |
| 593 | | $db->execSql($sql_base.$sql_no_repeat, $element_rows, false); |
| 594 | | } |
| 595 | | //Normal case, or there wasn't any undisplayed content in PSEUDO_RANDOM |
| 596 | | if ($element_rows == null) { |
| 597 | | $db->execSql($sql, $element_rows, false); |
| 598 | | } |
| 599 | | if ($element_rows == null) { |
| 600 | | $element_rows = array (); |
| 601 | | } |
| 602 | | foreach ($element_rows as $element_row) { |
| 603 | | $object = self :: getObject($element_row['content_group_element_id']); |
| 604 | | if ($object->isDisplayableAt(Node :: GetCurrentNode()) == true) /** Only content available at this hotspot are considered */ |
| 605 | | { |
| 606 | | $new_objects[] = $object; |
| 607 | | } |
| 608 | | } |
| 609 | | |
| 610 | | if ($content_ordering_mode == 'RANDOM' || $content_ordering_mode == 'PSEUDO_RANDOM') { |
| 611 | | shuffle($new_objects); |
| 612 | | } |
| 613 | | elseif ($content_ordering_mode == 'SEQUENTIAL') { |
| 614 | | foreach ($new_objects as $object) { |
| 615 | | if ($object->getDisplayOrder() <= $last_order) { |
| 616 | | array_push($new_objects, array_shift($new_objects)); |
| 617 | | //echo " Pushed ".$object->getDisplayOrder(); |
| 618 | | } |
| 619 | | } |
| 620 | | } |
| 621 | | |
| 622 | | /** Pick the proper number of elements */ |
| 623 | | $num_to_pick = $display_num_elements -count($redisplay_objects); |
| 624 | | $new_objects = array_slice($new_objects, 0, $num_to_pick); |
| 625 | | } |
| 626 | | /* |
| 627 | | echo "<pre>Redisplay: "; |
| 628 | | print_r($redisplay_objects); |
| 629 | | echo "New objects: "; |
| 630 | | print_r($new_objects); |
| 631 | | echo "</pre>"; |
| 632 | | */ |
| 633 | | $retval = array_merge($new_objects, $redisplay_objects); |
| 634 | | //echo count($retval).' returned <br>'; |
| 635 | | return $retval; |
| 636 | | } |
| 637 | | |
| 638 | | /** |
| 639 | | * This attribute is for internal use ( to tell if a certain class could be |
| 640 | | * expanded ) |
| 641 | | * @param $status boolean |
| 642 | | */ |
| 643 | | protected function setIsExpandable($status) { |
| 644 | | if (is_bool($status)) |
| 645 | | $this->is_expandable = $status; |
| 646 | | } |
| 647 | | |
| 648 | | /** |
| 649 | | * Tells if this object could be expanded |
| 650 | | */ |
| 651 | | protected function isExpandable() { |
| 652 | | return $this->is_expandable; |
| 653 | | } |
| 654 | | |
| 655 | | /** |
| 656 | | * Will expand content ONLY if allowed by isExpandable (which is protected) |
| 657 | | * @param $status boolean |
| 658 | | */ |
| 659 | | public function setExpandStatus($status) { |
| 660 | | if ($this->isExpandable() && is_bool($status)) { |
| 661 | | //TODO: Try to find a better solution to this problem... |
| 662 | | if ($status == true) |
| 663 | | $this->setTemporaryDisplayNumElements(3000); |
| 664 | | else |
| 665 | | $this->setTemporaryDisplayNumElements(null); |
| 666 | | $this->expand_status = $status; |
| 667 | | } |
| 668 | | } |
| 669 | | |
| 670 | | /** |
| 671 | | * Get the expand status |
| 672 | | * |
| 673 | | * WARNING |
| 674 | | * NON expandable contents ie PatternLanguage will NEVER return true |
| 675 | | */ |
| 676 | | public function getExpandStatus() { |
| 677 | | if ($this->expand_status == null) |
| 678 | | return false; |
| 679 | | return $this->expand_status; |
| 680 | | } |
| 681 | | |
| 682 | | /** Retreives the user interface of this object. Anything that overrides this method should call the parent method with it's output at the END of processing. |
| 683 | | * @param $subclass_admin_interface Html content of the interface element of a children |
| 684 | | * @param boolean $hide_elements allows the child class ( for example |
| 685 | | * Pattern Language) to tell the content group not to display elements ) for |
| 686 | | * elements that need to be hidden before subscription |
| 687 | | * @return The HTML fragment for this interface */ |
| 688 | | public function getUserUI($subclass_user_interface = null, $hide_elements = false) { |
| 689 | | $html = ''; |
| 690 | | $html .= "<div class='user_ui_container " . get_class($this) . "'>\n"; |
| 691 | | |
| 692 | | if ($hide_elements == false) { |
| 693 | | $display_elements = $this->getDisplayElements(); |
| 694 | | if (count($display_elements) > 0) { |
| 695 | | foreach ($display_elements as $display_element) { |
| 696 | | // If the content group logging is disabled, all the children will inherit this property temporarly |
| 697 | | if ($this->getLoggingStatus() == false) |
| 698 | | $display_element->setLoggingStatus(false); |
| 699 | | $html .= $display_element->getUserUI(); |
| 700 | | } |
| 701 | | } else { |
| 702 | | $html .= '<p class="warningmsg">' . _("Sorry, no elements available at this hotspot or all elements of the content group have already been shown") . "</p>\n"; |
| 703 | | } |
| 704 | | } |
| 705 | | |
| 706 | | $html .= $subclass_user_interface; |
| 707 | | $html .= "</div>\n"; |
| 708 | | |
| 709 | | return parent :: getUserUI($html); |
| 710 | | } |
| 711 | | |
| 712 | | /**Get all elements |
| 713 | | * @return an array of ContentGroupElement or an empty arrray */ |
| 714 | | function getElements() { |
| 715 | | // Define globals |
| 716 | | global $db; |
| 717 | | |
| 718 | | // Init values |
| 719 | | $retval = array (); |
| 720 | | $element_rows = null; |
| 721 | | |
| 722 | | $sql = "SELECT content_group_element_id FROM content_group_element WHERE content_group_id='$this->id' ORDER BY display_order"; |
| 723 | | $db->execSql($sql, $element_rows, false); |
| 724 | | if ($element_rows != null) { |
| 725 | | foreach ($element_rows as $element_row) { |
| 726 | | $retval[] = self :: getObject($element_row['content_group_element_id']); |
| 727 | | } |
| 728 | | } |
| 729 | | return $retval; |
| 730 | | } |
| 731 | | |
| 732 | | /** |
| 733 | | * Delete this Content from the database |
| 734 | | */ |
| 735 | | public function delete(& $errmsg) { |
| 736 | | if ($this->isPersistent() == false) { |
| 737 | | foreach ($this->getElements() as $element) { |
| 738 | | $element->delete($errmsg); |
| 739 | | } |
| 740 | | } |
| 741 | | return parent::delete($errmsg); |
| 742 | | } |
| 743 | | |
| 744 | | /** Reloads the object from the database. Should normally be called after a set operation. |
| 745 | | * This function is private because calling it from a subclass will call the |
| 746 | | * constructor from the wrong scope */ |
| 747 | | private function refresh() { |
| 748 | | $this->__construct($this->id); |
| 749 | | } |
| | 567 | /*'YES' => "Content can be shown more than once", 'NO' => "Content can only be shown once", 'ONCE_PER_NODE' => "Content can be shown more than once, but not at the same node"*/ |
| | 568 | $allow_repeat = $this->getAllowRepeat(); |
| | 569 | if ($allow_repeat == 'NO') { |
| | 570 | $sql_repeat .= "AND content_group_element_id NOT IN (SELECT content_id FROM content_display_log WHERE user_id = '$user_id') \n"; |
| | 571 | } |
| | 572 | elseif ($allow_repeat == 'ONCE_PER_NODE') { |
| | 573 | $sql_repeat .= "AND content_group_element_id NOT IN (SELECT content_id FROM content_display_log WHERE user_id = '$user_id' AND node_id = '$node_id') \n"; |
| | 574 | } else { |
| | 575 | $sql_repeat = null; |
| | 576 | } |
| | 577 | $sql .= $sql_repeat; |
| | 578 | |
| | 579 | $content_ordering_mode = $this->getContentOrderingMode(); |
| | 580 | if ($content_ordering_mode == 'SEQUENTIAL') { |
| | 581 | $order_by = ' ORDER BY display_order '; |
| | 582 | //Find the last content displayed |
| | 583 | $sql_last_order = "SELECT display_order FROM content_group_element \n"; |
| | 584 | $sql_last_order .= "JOIN content_display_log ON (content_group_element_id=content_id) \n"; |
| | 585 | $sql_last_order .= " WHERE content_group_id='$this->id' \n"; |
| | 586 | $sql_last_order .= " ORDER BY last_display_timestamp DESC LIMIT 1"; |
| | 587 | $db->execSqlUniqueRes($sql_last_order, $last_order_row, false); |
| | 588 | if ($last_order_row['display_order'] != null) { |
| | 589 | $last_order = $last_order_row['display_order']; |
| | 590 | } else { |
| | 591 | $last_order = 0; |
| | 592 | } |
| | 593 | } else { |
| | 594 | $order_by = ' '; |
| | 595 | } |
| | 596 | $sql .= $order_by; |
| | 597 | |
| | 598 | $element_rows = null; |
| | 599 | if ($content_ordering_mode == 'PSEUDO_RANDOM') { |
| | 600 | //Special case, first get only the rows that haven't been displayed before' |
| | 601 | $sql_no_repeat = " AND content_group_element_id NOT IN (SELECT content_id FROM content_display_log WHERE user_id = '$user_id') \n"; |
| | 602 | $db->execSql($sql_base . $sql_no_repeat, $element_rows, false); |
| | 603 | } |
| | 604 | //Normal case, or there wasn't any undisplayed content in PSEUDO_RANDOM |
| | 605 | if ($element_rows == null) { |
| | 606 | $db->execSql($sql, $element_rows, false); |
| | 607 | } |
| | 608 | if ($element_rows == null) { |
| | 609 | $element_rows = array (); |
| | 610 | } |
| | 611 | foreach ($element_rows as $element_row) { |
| | 612 | $object = self :: getObject($element_row['content_group_element_id']); |
| | 613 | if ($object->isDisplayableAt(Node :: GetCurrentNode()) == true) /** Only content available at this hotspot are considered */ |
| | 614 | { |
| | 615 | $new_objects[] = $object; |
| | 616 | } |
| | 617 | } |
| | 618 | |
| | 619 | if ($content_ordering_mode == 'RANDOM' || $content_ordering_mode == 'PSEUDO_RANDOM') { |
| | 620 | shuffle($new_objects); |
| | 621 | } |
| | 622 | elseif ($content_ordering_mode == 'SEQUENTIAL') { |
| | 623 | foreach ($new_objects as $object) { |
| | 624 | if ($object->getDisplayOrder() <= $last_order) { |
| | 625 | array_push($new_objects, array_shift($new_objects)); |
| | 626 | //echo " Pushed ".$object->getDisplayOrder(); |
| | 627 | } |
| | 628 | } |
| | 629 | } |
| | 630 | |
| | 631 | /** Pick the proper number of elements */ |
| | 632 | $num_to_pick = $display_num_elements -count($redisplay_objects); |
| | 633 | $new_objects = array_slice($new_objects, 0, $num_to_pick); |
| | 634 | } |
| | 635 | /* |
| | 636 | echo "<pre>Redisplay: "; |
| | 637 | print_r($redisplay_objects); |
| | 638 | echo "New objects: "; |
| | 639 | print_r($new_objects); |
| | 640 | echo "</pre>"; |
| | 641 | */ |
| | 642 | $retval = array_merge($new_objects, $redisplay_objects); |
| | 643 | //echo count($retval).' returned <br>'; |
| | 644 | return $retval; |
| | 645 | } |
| | 646 | |
| | 647 | /** |
| | 648 | * This attribute is for internal use ( to tell if a certain class could be |
| | 649 | * expanded ) |
| | 650 | * @param $status boolean |
| | 651 | */ |
| | 652 | protected function setIsExpandable($status) { |
| | 653 | if (is_bool($status)) |
| | 654 | $this->is_expandable = $status; |
| | 655 | } |
| | 656 | |
| | 657 | /** |
| | 658 | * Tells if this object could be expanded |
| | 659 | */ |
| | 660 | protected function isExpandable() { |
| | 661 | return $this->is_expandable; |
| | 662 | } |
| | 663 | |
| | 664 | /** |
| | 665 | * Will expand content ONLY if allowed by isExpandable (which is protected) |
| | 666 | * @param $status boolean |
| | 667 | */ |
| | 668 | public function setExpandStatus($status) { |
| | 669 | if ($this->isExpandable() && is_bool($status)) { |
| | 670 | //TODO: Try to find a better solution to this problem... |
| | 671 | if ($status == true) |
| | 672 | $this->setTemporaryDisplayNumElements(3000); |
| | 673 | else |
| | 674 | $this->setTemporaryDisplayNumElements(null); |
| | 675 | $this->expand_status = $status; |
| | 676 | } |
| | 677 | } |
| | 678 | |
| | 679 | /** |
| | 680 | * Get the expand status |
| | 681 | * |
| | 682 | * WARNING |
| | 683 | * NON expandable contents ie PatternLanguage will NEVER return true |
| | 684 | */ |
| | 685 | public function getExpandStatus() { |
| | 686 | if ($this->expand_status == null) |
| | 687 | return false; |
| | 688 | return $this->expand_status; |
| | 689 | } |
| | 690 | |
| | 691 | /** Retreives the user interface of this object. Anything that overrides this method should call the parent method with it's output at the END of processing. |
| | 692 | * @param $subclass_admin_interface Html content of the interface element of a children |
| | 693 | * @param boolean $hide_elements allows the child class ( for example |
| | 694 | * Pattern Language) to tell the content group not to display elements ) for |
| | 695 | * elements that need to be hidden before subscription |
| | 696 | * @return The HTML fragment for this interface */ |
| | 697 | public function getUserUI($subclass_user_interface = null, $hide_elements = false) { |
| | 698 | $html = ''; |
| | 699 | $html .= "<div class='user_ui_container " . get_class($this) . "'>\n"; |
| | 700 | |
| | 701 | if ($hide_elements == false) { |
| | 702 | $display_elements = $this->getDisplayElements(); |
| | 703 | if (count($display_elements) > 0) { |
| | 704 | foreach ($display_elements as $display_element) { |
| | 705 | // If the content group logging is disabled, all the children will inherit this property temporarly |
| | 706 | if ($this->getLoggingStatus() == false) |
| | 707 | $display_element->setLoggingStatus(false); |
| | 708 | $html .= $display_element->getUserUI(); |
| | 709 | } |
| | 710 | } else { |
| | 711 | $html .= '<p class="warningmsg">' . _("Sorry, no elements available at this hotspot or all elements of the content group have already been shown") . "</p>\n"; |
| | 712 | } |
| | 713 | } |
| | 714 | |
| | 715 | $html .= $subclass_user_interface; |
| | 716 | $html .= "</div>\n"; |
| | 717 | |
| | 718 | return parent :: getUserUI($html); |
| | 719 | } |
| | 720 | |
| | 721 | /**Get all elements |
| | 722 | * @return an array of ContentGroupElement or an empty arrray */ |
| | 723 | function getElements($additional_where=null) { |
| | 724 | // Define globals |
| | 725 | global $db; |
| | 726 | |
| | 727 | // Init values |
| | 728 | $retval = array (); |
| | 729 | $element_rows = null; |
| | 730 | |
| | 731 | $sql = "SELECT content_group_element_id FROM content_group_element WHERE content_group_id='$this->id' $additional_where ORDER BY display_order"; |
| | 732 | $db->execSql($sql, $element_rows, false); |
| | 733 | if ($element_rows != null) { |
| | 734 | foreach ($element_rows as $element_row) { |
| | 735 | $element = self :: getObject($element_row['content_group_element_id']); |
| | 736 | $retval[] = self :: getObject($element_row['content_group_element_id']); |
| | 737 | } |
| | 738 | } |
| | 739 | return $retval; |
| | 740 | } |
| | 741 | |
| | 742 | /** |
| | 743 | * Delete this Content from the database |
| | 744 | */ |
| | 745 | public function delete(& $errmsg) { |
| | 746 | if ($this->isPersistent() == false) { |
| | 747 | foreach ($this->getElements() as $element) { |
| | 748 | $element->delete($errmsg); |
| | 749 | } |
| | 750 | } |
| | 751 | return parent :: delete($errmsg); |
| | 752 | } |
| | 753 | |
| | 754 | /** Reloads the object from the database. Should normally be called after a set operation. |
| | 755 | * This function is private because calling it from a subclass will call the |
| | 756 | * constructor from the wrong scope */ |
| | 757 | private function refresh() { |
| | 758 | $this->__construct($this->id); |
| | 759 | } |