00001 <?php
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00024 require_once "./assessment/classes/class.assQuestion.php";
00025 require_once "./assessment/classes/class.assAnswerImagemap.php";
00026
00027 define ("IMAGEMAP_QUESTION_IDENTIFIER", "IMAGE MAP QUESTION");
00028
00039 class ASS_ImagemapQuestion extends ASS_Question {
00040
00048 var $question;
00049
00057 var $answers;
00058
00068 var $points;
00069
00077 var $imagemap_filename;
00078
00086 var $image_filename;
00087
00095 var $imagemap_contents;
00096 var $coords;
00097
00112 function ASS_ImagemapQuestion(
00113 $title = "",
00114 $comment = "",
00115 $author = "",
00116 $owner = -1,
00117 $question = "",
00118 $imagemap_filename = "",
00119 $image_filename = ""
00120
00121 )
00122 {
00123 $this->ASS_Question($title, $comment, $author, $owner);
00124 $this->question = $question;
00125 $this->imagemap_filename = $imagemap_filename;
00126 $this->image_filename = $image_filename;
00127 $this->answers = array();
00128 $this->points = $points;
00129 $this->coords = array();
00130 }
00131
00140 function isComplete()
00141 {
00142 if (($this->title) and ($this->author) and ($this->question) and ($this->image_filename) and (count($this->answers)))
00143 {
00144 return true;
00145 }
00146 else
00147 {
00148 return false;
00149 }
00150 }
00151
00160 function saveToDb($original_id = "")
00161 {
00162 global $ilias;
00163
00164 $complete = 0;
00165 if ($this->isComplete())
00166 {
00167 $complete = 1;
00168 }
00169
00170 $db = & $ilias->db;
00171
00172 $estw_time = $this->getEstimatedWorkingTime();
00173 $estw_time = sprintf("%02d:%02d:%02d", $estw_time['h'], $estw_time['m'], $estw_time['s']);
00174 if ($original_id)
00175 {
00176 $original_id = $db->quote($original_id);
00177 }
00178 else
00179 {
00180 $original_id = "NULL";
00181 }
00182
00183 if ($this->id == -1)
00184 {
00185
00186 $now = getdate();
00187 $question_type = $this->getQuestionType();
00188 $created = sprintf("%04d%02d%02d%02d%02d%02d", $now['year'], $now['mon'], $now['mday'], $now['hours'], $now['minutes'], $now['seconds']);
00189 $query = sprintf("INSERT INTO qpl_questions (question_id, question_type_fi, obj_fi, title, comment, author, owner, question_text, working_time, points, image_file, complete, created, original_id, TIMESTAMP) VALUES (NULL, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, NULL)",
00190 $db->quote($question_type),
00191 $db->quote($this->obj_id),
00192 $db->quote($this->title),
00193 $db->quote($this->comment),
00194 $db->quote($this->author),
00195 $db->quote($this->owner),
00196 $db->quote($this->question),
00197 $db->quote($estw_time),
00198 $db->quote($this->points),
00199 $db->quote($this->image_filename),
00200 $db->quote("$complete"),
00201 $db->quote($created),
00202 $original_id
00203 );
00204 $result = $db->query($query);
00205 if ($result == DB_OK)
00206 {
00207 $this->id = $db->getLastInsertId();
00208
00209
00210 $this->createPageObject();
00211
00212
00213 if ($this->getTestId() > 0)
00214 {
00215 $this->insertIntoTest($this->getTestId());
00216 }
00217 }
00218 }
00219 else
00220 {
00221
00222 $query = sprintf("UPDATE qpl_questions SET obj_fi = %s, title = %s, comment = %s, author = %s, question_text = %s, working_time = %s, points = %s, image_file = %s, complete = %s WHERE question_id = %s",
00223 $db->quote($this->obj_id. ""),
00224 $db->quote($this->title),
00225 $db->quote($this->comment),
00226 $db->quote($this->author),
00227 $db->quote($this->question),
00228 $db->quote($estw_time),
00229 $db->quote($this->points),
00230 $db->quote($this->image_filename),
00231 $db->quote("$complete"),
00232 $db->quote($this->id)
00233 );
00234 $result = $db->query($query);
00235 }
00236
00237 if ($result == DB_OK)
00238 {
00239 $query = sprintf("DELETE FROM qpl_answers WHERE question_fi = %s",
00240 $db->quote($this->id)
00241 );
00242 $result = $db->query($query);
00243
00244 foreach ($this->answers as $key => $value)
00245 {
00246 $answer_obj = $this->answers[$key];
00247
00248 $query = sprintf("INSERT INTO qpl_answers (answer_id, question_fi, answertext, points, aorder, correctness, coords, area, TIMESTAMP) VALUES (NULL, %s, %s, %s, %s, %s, %s, %s, NULL)",
00249 $db->quote($this->id),
00250 $db->quote($answer_obj->get_answertext() . ""),
00251 $db->quote($answer_obj->get_points() . ""),
00252 $db->quote($answer_obj->get_order() . ""),
00253 $db->quote($answer_obj->getState() . ""),
00254 $db->quote($answer_obj->get_coords() . ""),
00255 $db->quote($answer_obj->get_area() . "")
00256 );
00257 $answer_result = $db->query($query);
00258 }
00259 }
00260 parent::saveToDb($original_id);
00261 }
00262
00270 function duplicate($for_test = true, $title = "", $author = "", $owner = "")
00271 {
00272 if ($this->id <= 0)
00273 {
00274
00275 return;
00276 }
00277
00278 $clone = $this;
00279 include_once ("./assessment/classes/class.assQuestion.php");
00280 $original_id = ASS_Question::_getOriginalId($this->id);
00281 $clone->id = -1;
00282 if ($title)
00283 {
00284 $clone->setTitle($title);
00285 }
00286 if ($author)
00287 {
00288 $clone->setAuthor($author);
00289 }
00290 if ($owner)
00291 {
00292 $clone->setOwner($owner);
00293 }
00294 if ($for_test)
00295 {
00296 $clone->saveToDb($original_id);
00297 }
00298 else
00299 {
00300 $clone->saveToDb();
00301 }
00302
00303
00304 $clone->copyPageOfQuestion($original_id);
00305
00306
00307 $clone->duplicateImage($original_id);
00308 return $clone->id;
00309 }
00310
00311 function duplicateImage($question_id)
00312 {
00313 $imagepath = $this->getImagePath();
00314 $imagepath_original = str_replace("/$this->id/images", "/$question_id/images", $imagepath);
00315 if (!file_exists($imagepath)) {
00316 ilUtil::makeDirParents($imagepath);
00317 }
00318 $filename = $this->get_image_filename();
00319 if (!copy($imagepath_original . $filename, $imagepath . $filename)) {
00320 print "image could not be duplicated!!!! ";
00321 }
00322 }
00323
00333 function loadFromDb($question_id)
00334 {
00335 global $ilias;
00336
00337 $db = & $ilias->db;
00338 $query = sprintf("SELECT * FROM qpl_questions WHERE question_id = %s",
00339 $db->quote($question_id)
00340 );
00341 $result = $db->query($query);
00342 if (strcmp(strtolower(get_class($result)), db_result) == 0) {
00343 if ($result->numRows() == 1) {
00344 $data = $result->fetchRow(DB_FETCHMODE_OBJECT);
00345 $this->id = $question_id;
00346 $this->obj_id = $data->obj_fi;
00347 $this->title = $data->title;
00348 $this->comment = $data->comment;
00349 $this->author = $data->author;
00350 $this->original_id = $data->original_id;
00351 $this->solution_hint = $data->solution_hint;
00352 $this->owner = $data->owner;
00353 $this->question = $data->question_text;
00354 $this->image_filename = $data->image_file;
00355 $this->points = $data->points;
00356 $this->setEstimatedWorkingTime(substr($data->working_time, 0, 2), substr($data->working_time, 3, 2), substr($data->working_time, 6, 2));
00357 }
00358 $query = sprintf("SELECT * FROM qpl_answers WHERE question_fi = %s ORDER BY aorder ASC",
00359 $db->quote($question_id)
00360 );
00361 $result = $db->query($query);
00362 if (strcmp(strtolower(get_class($result)), db_result) == 0) {
00363 while ($data = $result->fetchRow(DB_FETCHMODE_OBJECT)) {
00364 if ($data->correctness == 0)
00365 {
00366
00367 $data->correctness = 1;
00368 $data->points = 0;
00369 }
00370 array_push($this->answers, new ASS_AnswerImagemap($data->answertext, $data->points, $data->aorder, $data->correctness, $data->coords, $data->area));
00371 }
00372 }
00373 }
00374 parent::loadFromDb($question_id);
00375 }
00376
00386 function from_xml($xml_text)
00387 {
00388 $result = false;
00389 if (!empty($this->domxml))
00390 {
00391 $this->domxml->free();
00392 }
00393 $xml_text = preg_replace("/>\s*?</", "><", $xml_text);
00394 $this->domxml = domxml_open_mem($xml_text);
00395 if (!empty($this->domxml))
00396 {
00397 $root = $this->domxml->document_element();
00398 $item = $root->first_child();
00399 $this->setTitle($item->get_attribute("title"));
00400 $this->gaps = array();
00401 $itemnodes = $item->child_nodes();
00402 $materials = array();
00403 $filename = "";
00404 $image = "";
00405 $shuffle = "";
00406 foreach ($itemnodes as $index => $node)
00407 {
00408 switch ($node->node_name())
00409 {
00410 case "qticomment":
00411 $comment = $node->node_value();
00412 if (strpos($comment, "ILIAS Version=") !== false)
00413 {
00414 }
00415 elseif (strpos($comment, "Questiontype=") !== false)
00416 {
00417 }
00418 elseif (strpos($comment, "Author=") !== false)
00419 {
00420 $comment = str_replace("Author=", "", $comment);
00421 $this->setAuthor($comment);
00422 }
00423 else
00424 {
00425 $this->setComment($comment);
00426 }
00427 break;
00428 case "itemmetadata":
00429 $md_array = array();
00430 $metanodes = $node->child_nodes();
00431 foreach ($metanodes as $metanode)
00432 {
00433 switch ($metanode->node_name())
00434 {
00435 case "qtimetadata":
00436 $metafields = $metanode->child_nodes();
00437 foreach ($metafields as $metafield)
00438 {
00439 switch ($metafield->node_name())
00440 {
00441 case "qtimetadatafield":
00442 $metafieldlist = $metafield->child_nodes();
00443 $md = array("label" => "", "entry" => "");
00444 foreach ($metafieldlist as $attr)
00445 {
00446 switch ($attr->node_name())
00447 {
00448 case "fieldlabel":
00449 $md["label"] = $attr->get_content();
00450 break;
00451 case "fieldentry":
00452 $md["entry"] = $attr->get_content();
00453 break;
00454 }
00455 }
00456 array_push($md_array, $md);
00457 break;
00458 }
00459 }
00460 break;
00461 }
00462 }
00463 foreach ($md_array as $md)
00464 {
00465 switch ($md["label"])
00466 {
00467 case "ILIAS_VERSION":
00468 break;
00469 case "QUESTIONTYPE":
00470 break;
00471 case "AUTHOR":
00472 $this->setAuthor($md["entry"]);
00473 break;
00474 }
00475 }
00476 break;
00477 case "duration":
00478 $iso8601period = $node->node_value();
00479 if (preg_match("/P(\d+)Y(\d+)M(\d+)DT(\d+)H(\d+)M(\d+)S/", $iso8601period, $matches))
00480 {
00481 $this->setEstimatedWorkingTime($matches[4], $matches[5], $matches[6]);
00482 }
00483 break;
00484 case "presentation":
00485 $flow = $node->first_child();
00486 $flownodes = $flow->child_nodes();
00487 foreach ($flownodes as $idx => $flownode)
00488 {
00489 if (strcmp($flownode->node_name(), "material") == 0)
00490 {
00491 $mattext = $flownode->first_child();
00492 $this->set_question($mattext->node_value());
00493 }
00494 elseif (strcmp($flownode->node_name(), "response_xy") == 0)
00495 {
00496 $ident = $flownode->get_attribute("ident");
00497 $subnodes = $flownode->child_nodes();
00498 foreach ($subnodes as $node_type)
00499 {
00500 switch ($node_type->node_name())
00501 {
00502 case "material":
00503 $matlabel = $node_type->get_attribute("label");
00504 if (strcmp($matlabel, "suggested_solution") == 0)
00505 {
00506 $mattype = $node_type->first_child();
00507 if (strcmp($mattype->node_name(), "mattext") == 0)
00508 {
00509 $suggested_solution = $mattype->node_value();
00510 if ($suggested_solution)
00511 {
00512 if ($this->getId() < 1)
00513 {
00514 $this->saveToDb();
00515 }
00516 $this->setSuggestedSolution($suggested_solution, 0, true);
00517 }
00518 }
00519 }
00520 break;
00521 case "render_hotspot":
00522 $render_hotspot = $node_type;
00523 $labels = $render_hotspot->child_nodes();
00524 foreach ($labels as $lidx => $response_label)
00525 {
00526 if (strcmp($response_label->node_name(), "material") == 0)
00527 {
00528
00529 $mattype = $response_label->first_child();
00530 if (strcmp($mattype->node_name(), "matimage") == 0)
00531 {
00532 $filename = $mattype->get_attribute("label");
00533 $image = base64_decode($mattype->node_value());
00534 }
00535 }
00536 else
00537 {
00538 $matident = $response_label->get_attribute("ident");
00539 switch ($response_label->get_attribute("rarea"))
00540 {
00541 case "Ellipse":
00542 $materials[$matident]["area"] = "circle";
00543 break;
00544 case "Bounded":
00545 $materials[$matident]["area"] = "poly";
00546 break;
00547 case "Rectangle":
00548 $materials[$matident]["area"] = "rect";
00549 break;
00550 }
00551 $material_children = $response_label->child_nodes();
00552 foreach ($material_children as $midx => $childnode)
00553 {
00554 if (strcmp($childnode->node_name(), "#text") == 0)
00555 {
00556 $materials[$matident]["coords"] = $childnode->node_value();
00557 }
00558 elseif (strcmp($childnode->node_name(), "material") == 0)
00559 {
00560 $materials[$matident]["answertext"] = $childnode->node_value();
00561 }
00562 }
00563 }
00564 }
00565 break;
00566 }
00567 }
00568 }
00569 }
00570 break;
00571 case "resprocessing":
00572 $resproc_nodes = $node->child_nodes();
00573 foreach ($resproc_nodes as $index => $respcondition)
00574 {
00575 if (strcmp($respcondition->node_name(), "respcondition") == 0)
00576 {
00577 $respcondition_array =& ilQTIUtils::_getRespcondition($respcondition);
00578 foreach ($materials as $index => $material)
00579 {
00580 if (strcmp($material["coords"], $respcondition_array["conditionvar"]["value"]) == 0)
00581 {
00582 $this->add_answer(
00583 $material["answertext"],
00584 $respcondition_array["setvar"]["points"],
00585 $respcondition_array["conditionvar"]["selected"],
00586 $index,
00587 $material["coords"],
00588 $material["area"]
00589 );
00590 }
00591 }
00592 }
00593 }
00594 break;
00595 }
00596 }
00597 if ($filename)
00598 {
00599 $this->saveToDb();
00600 $imagepath = $this->getImagePath();
00601 if (!file_exists($imagepath))
00602 {
00603 ilUtil::makeDirParents($imagepath);
00604 }
00605 $imagepath .= $filename;
00606 $fh = fopen($imagepath, "wb");
00607 if ($fh == false)
00608 {
00609 global $ilErr;
00610 $ilErr->raiseError($this->lng->txt("error_save_image_file") . ": $php_errormsg", $ilErr->MESSAGE);
00611 return;
00612 }
00613 $imagefile = fwrite($fh, $image);
00614 fclose($fh);
00615 $this->image_filename = $filename;
00616 }
00617 $result = true;
00618 }
00619 return $result;
00620 }
00621
00631 function to_xml($a_include_header = true, $a_include_binary = true, $a_shuffle = false, $test_output = false)
00632 {
00633 if (!empty($this->domxml))
00634 {
00635 $this->domxml->free();
00636 }
00637 $xml_header = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<questestinterop></questestinterop>\n";
00638 $this->domxml = domxml_open_mem($xml_header);
00639 $root = $this->domxml->document_element();
00640
00641 $qtiIdent = $this->domxml->create_element("item");
00642 $qtiIdent->set_attribute("ident", "il_".IL_INST_ID."_qst_".$this->getId());
00643 $qtiIdent->set_attribute("title", $this->getTitle());
00644 $root->append_child($qtiIdent);
00645
00646 $qtiComment = $this->domxml->create_element("qticomment");
00647 $qtiCommentText = $this->domxml->create_text_node($this->getComment());
00648 $qtiComment->append_child($qtiCommentText);
00649 $qtiIdent->append_child($qtiComment);
00650
00651 $qtiDuration = $this->domxml->create_element("duration");
00652 $workingtime = $this->getEstimatedWorkingTime();
00653 $qtiDurationText = $this->domxml->create_text_node(sprintf("P0Y0M0DT%dH%dM%dS", $workingtime["h"], $workingtime["m"], $workingtime["s"]));
00654 $qtiDuration->append_child($qtiDurationText);
00655 $qtiIdent->append_child($qtiDuration);
00656
00657 $qtiItemmetadata = $this->domxml->create_element("itemmetadata");
00658 $qtiMetadata = $this->domxml->create_element("qtimetadata");
00659
00660 $qtiMetadatafield = $this->domxml->create_element("qtimetadatafield");
00661 $qtiFieldlabel = $this->domxml->create_element("fieldlabel");
00662 $qtiFieldlabelText = $this->domxml->create_text_node("ILIAS_VERSION");
00663 $qtiFieldlabel->append_child($qtiFieldlabelText);
00664 $qtiFieldentry = $this->domxml->create_element("fieldentry");
00665 $qtiFieldentryText = $this->domxml->create_text_node($this->ilias->getSetting("ilias_version"));
00666 $qtiFieldentry->append_child($qtiFieldentryText);
00667 $qtiMetadatafield->append_child($qtiFieldlabel);
00668 $qtiMetadatafield->append_child($qtiFieldentry);
00669 $qtiMetadata->append_child($qtiMetadatafield);
00670
00671 $qtiMetadatafield = $this->domxml->create_element("qtimetadatafield");
00672 $qtiFieldlabel = $this->domxml->create_element("fieldlabel");
00673 $qtiFieldlabelText = $this->domxml->create_text_node("QUESTIONTYPE");
00674 $qtiFieldlabel->append_child($qtiFieldlabelText);
00675 $qtiFieldentry = $this->domxml->create_element("fieldentry");
00676 $qtiFieldentryText = $this->domxml->create_text_node(IMAGEMAP_QUESTION_IDENTIFIER);
00677 $qtiFieldentry->append_child($qtiFieldentryText);
00678 $qtiMetadatafield->append_child($qtiFieldlabel);
00679 $qtiMetadatafield->append_child($qtiFieldentry);
00680 $qtiMetadata->append_child($qtiMetadatafield);
00681
00682 $qtiMetadatafield = $this->domxml->create_element("qtimetadatafield");
00683 $qtiFieldlabel = $this->domxml->create_element("fieldlabel");
00684 $qtiFieldlabelText = $this->domxml->create_text_node("AUTHOR");
00685 $qtiFieldlabel->append_child($qtiFieldlabelText);
00686 $qtiFieldentry = $this->domxml->create_element("fieldentry");
00687 $qtiFieldentryText = $this->domxml->create_text_node($this->getAuthor());
00688 $qtiFieldentry->append_child($qtiFieldentryText);
00689 $qtiMetadatafield->append_child($qtiFieldlabel);
00690 $qtiMetadatafield->append_child($qtiFieldentry);
00691 $qtiMetadata->append_child($qtiMetadatafield);
00692
00693 $qtiItemmetadata->append_child($qtiMetadata);
00694 $qtiIdent->append_child($qtiItemmetadata);
00695
00696
00697 $qtiPresentation = $this->domxml->create_element("presentation");
00698 $qtiPresentation->set_attribute("label", $this->getTitle());
00699
00700 $qtiFlow = $this->domxml->create_element("flow");
00701
00702 $qtiMaterial = $this->domxml->create_element("material");
00703 $qtiMatText = $this->domxml->create_element("mattext");
00704 $qtiMatTextText = $this->domxml->create_text_node($this->get_question());
00705 $qtiMatText->append_child($qtiMatTextText);
00706 $qtiMaterial->append_child($qtiMatText);
00707 $qtiFlow->append_child($qtiMaterial);
00708
00709 $qtiResponseXy = $this->domxml->create_element("response_xy");
00710 $qtiResponseXy->set_attribute("ident", "IM");
00711 $qtiResponseXy->set_attribute("rcardinality", "Single");
00712 $solution = $this->getSuggestedSolution(0);
00713 if (count($solution))
00714 {
00715 if (preg_match("/il_(\d*?)_(\w+)_(\d+)/", $solution["internal_link"], $matches))
00716 {
00717 $qtiMaterial = $this->domxml->create_element("material");
00718 $qtiMaterial->set_attribute("label", "suggested_solution");
00719 $qtiMatText = $this->domxml->create_element("mattext");
00720 $intlink = "il_" . IL_INST_ID . "_" . $matches[2] . "_" . $matches[3];
00721 if (strcmp($matches[1], "") != 0)
00722 {
00723 $intlink = $solution["internal_link"];
00724 }
00725 $qtiMatTextText = $this->domxml->create_text_node($intlink);
00726 $qtiMatText->append_child($qtiMatTextText);
00727 $qtiMaterial->append_child($qtiMatText);
00728 $qtiResponseXy->append_child($qtiMaterial);
00729 }
00730 }
00731 $qtiRenderHotspot = $this->domxml->create_element("render_hotspot");
00732 $qtiMaterial = $this->domxml->create_element("material");
00733 $qtiMatImage = $this->domxml->create_element("matimage");
00734 $qtiMatImage->set_attribute("imagtype", "image/jpeg");
00735 $qtiMatImage->set_attribute("label", $this->get_image_filename());
00736 if ($a_include_binary)
00737 {
00738 $qtiMatImage->set_attribute("embedded", "base64");
00739 $imagepath = $this->getImagePath() . $this->get_image_filename();
00740 $fh = fopen($imagepath, "rb");
00741 if ($fh == false)
00742 {
00743 global $ilErr;
00744 $ilErr->raiseError($this->lng->txt("error_open_image_file"), $ilErr->MESSAGE);
00745 return;
00746 }
00747 $imagefile = fread($fh, filesize($imagepath));
00748 fclose($fh);
00749 $base64 = base64_encode($imagefile);
00750 $qtiBase64Data = $this->domxml->create_text_node($base64);
00751 $qtiMatImage->append_child($qtiBase64Data);
00752 }
00753 $qtiMaterial->append_child($qtiMatImage);
00754 $qtiRenderHotspot->append_child($qtiMaterial);
00755
00756 foreach ($this->answers as $index => $answer)
00757 {
00758 $qtiResponseLabel = $this->domxml->create_element("response_label");
00759 $qtiResponseLabel->set_attribute("ident", $index);
00760 switch ($answer->get_area())
00761 {
00762 case "rect":
00763 $qtiResponseLabel->set_attribute("rarea", "Rectangle");
00764 break;
00765 case "circle":
00766 $qtiResponseLabel->set_attribute("rarea", "Ellipse");
00767 break;
00768 case "poly":
00769 $qtiResponseLabel->set_attribute("rarea", "Bounded");
00770 break;
00771 }
00772 $qtiResponseLabelCoords = $this->domxml->create_text_node($answer->get_coords());
00773 $qtiMaterial = $this->domxml->create_element("material");
00774 $qtiMatText = $this->domxml->create_element("mattext");
00775 $qtiMatTextText = $this->domxml->create_text_node($answer->get_answertext());
00776 $qtiMatText->append_child($qtiMatTextText);
00777 $qtiMaterial->append_child($qtiMatText);
00778 $qtiResponseLabel->append_child($qtiResponseLabelCoords);
00779 $qtiResponseLabel->append_child($qtiMaterial);
00780 $qtiRenderHotspot->append_child($qtiResponseLabel);
00781 }
00782 $qtiResponseXy->append_child($qtiRenderHotspot);
00783 $qtiFlow->append_child($qtiResponseXy);
00784 $qtiPresentation->append_child($qtiFlow);
00785 $qtiIdent->append_child($qtiPresentation);
00786
00787
00788 $qtiResprocessing = $this->domxml->create_element("resprocessing");
00789 $qtiOutcomes = $this->domxml->create_element("outcomes");
00790 $qtiDecvar = $this->domxml->create_element("decvar");
00791 $qtiOutcomes->append_child($qtiDecvar);
00792 $qtiResprocessing->append_child($qtiOutcomes);
00793
00794 foreach ($this->answers as $index => $answer)
00795 {
00796 $qtiRespcondition = $this->domxml->create_element("respcondition");
00797 $qtiRespcondition->set_attribute("continue", "Yes");
00798
00799 $qtiConditionvar = $this->domxml->create_element("conditionvar");
00800 if (!$answer->isStateSet())
00801 {
00802 $qtinot = $this->domxml->create_element("not");
00803 }
00804 $qtiVarinside = $this->domxml->create_element("varinside");
00805 $qtiVarinside->set_attribute("respident", "IM");
00806 switch ($answer->get_area())
00807 {
00808 case "rect":
00809 $qtiVarinside->set_attribute("areatype", "Rectangle");
00810 break;
00811 case "circle":
00812 $qtiVarinside->set_attribute("areatype", "Ellipse");
00813 break;
00814 case "poly":
00815 $qtiVarinside->set_attribute("areatype", "Bounded");
00816 break;
00817 }
00818 $qtiVarinsideText = $this->domxml->create_text_node($answer->get_coords());
00819 $qtiVarinside->append_child($qtiVarinsideText);
00820 if (!$answer->isStateSet())
00821 {
00822 $qtiConditionvar->append_child($qtinot);
00823 $qtinot->append_child($qtiVarinside);
00824 }
00825 else
00826 {
00827 $qtiConditionvar->append_child($qtiVarinside);
00828 }
00829
00830 $qtiSetvar = $this->domxml->create_element("setvar");
00831 $qtiSetvar->set_attribute("action", "Add");
00832 $qtiSetvarText = $this->domxml->create_text_node($answer->get_points());
00833 $qtiSetvar->append_child($qtiSetvarText);
00834
00835 $qtiDisplayfeedback = $this->domxml->create_element("displayfeedback");
00836 $qtiDisplayfeedback->set_attribute("feedbacktype", "Response");
00837 $linkrefid = "";
00838 if ($answer->isStateSet())
00839 {
00840 $linkrefid = "True";
00841 }
00842 else
00843 {
00844 $linkrefid = "False_$index";
00845 }
00846 $qtiDisplayfeedback->set_attribute("linkrefid", $linkrefid);
00847 $qtiRespcondition->append_child($qtiConditionvar);
00848 $qtiRespcondition->append_child($qtiSetvar);
00849 $qtiRespcondition->append_child($qtiDisplayfeedback);
00850 $qtiResprocessing->append_child($qtiRespcondition);
00851 }
00852 $qtiIdent->append_child($qtiResprocessing);
00853
00854
00855 foreach ($this->answers as $index => $answer)
00856 {
00857 $qtiItemfeedback = $this->domxml->create_element("itemfeedback");
00858 $linkrefid = "";
00859 if ($answer->isStateSet())
00860 {
00861 $linkrefid = "True";
00862 }
00863 else
00864 {
00865 $linkrefid = "False_$index";
00866 }
00867 $qtiItemfeedback->set_attribute("ident", $linkrefid);
00868 $qtiItemfeedback->set_attribute("view", "All");
00869
00870 $qtiFlowmat = $this->domxml->create_element("flow_mat");
00871 $qtiMaterial = $this->domxml->create_element("material");
00872 $qtiMattext = $this->domxml->create_element("mattext");
00873
00874 $qtiMattextText = $this->domxml->create_text_node("");
00875 $qtiMattext->append_child($qtiMattextText);
00876 $qtiMaterial->append_child($qtiMattext);
00877 $qtiFlowmat->append_child($qtiMaterial);
00878 $qtiItemfeedback->append_child($qtiFlowmat);
00879 $qtiIdent->append_child($qtiItemfeedback);
00880 }
00881
00882 $xml = $this->domxml->dump_mem(true);
00883 if (!$a_include_header)
00884 {
00885 $pos = strpos($xml, "?>");
00886 $xml = substr($xml, $pos + 2);
00887 }
00888
00889 return $xml;
00890
00891 }
00892
00902 function get_question() {
00903 return $this->question;
00904 }
00905
00915 function set_question($question = "") {
00916 $this->question = $question;
00917 }
00918
00928 function get_imagemap_filename() {
00929 return $this->imagemap_filename;
00930 }
00931
00941 function set_imagemap_filename($imagemap_filename, $imagemap_tempfilename = "") {
00942 if (!empty($imagemap_filename)) {
00943 $this->imagemap_filename = $imagemap_filename;
00944 }
00945 if (!empty($imagemap_tempfilename)) {
00946 $fp = fopen($imagemap_tempfilename, "r");
00947 $contents = fread($fp, filesize($imagemap_tempfilename));
00948 fclose($fp);
00949 if (preg_match_all("/<area(.+)>/siU", $contents, $matches)) {
00950 for ($i=0; $i< count($matches[1]); $i++) {
00951 preg_match("/alt\s*=\s*\"(.+)\"\s*/siU", $matches[1][$i], $alt);
00952 preg_match("/coords\s*=\s*\"(.+)\"\s*/siU", $matches[1][$i], $coords);
00953 preg_match("/shape\s*=\s*\"(.+)\"\s*/siU", $matches[1][$i], $shape);
00954 $this->add_answer($alt[1], 0.0, FALSE, count($this->answers), $coords[1], $shape[1]);
00955 }
00956 }
00957 }
00958 }
00959
00969 function get_image_filename() {
00970 return $this->image_filename;
00971 }
00972
00982 function set_image_filename($image_filename, $image_tempfilename = "") {
00983
00984 if (!empty($image_filename))
00985 {
00986 $image_filename = str_replace(" ", "_", $image_filename);
00987 $this->image_filename = $image_filename;
00988 }
00989 if (!empty($image_tempfilename)) {
00990 $imagepath = $this->getImagePath();
00991 if (!file_exists($imagepath)) {
00992 ilUtil::makeDirParents($imagepath);
00993 }
00994
00995
00996 if (!ilUtil::moveUploadedFile($image_tempfilename, $image_filename, $imagepath.$image_filename))
00997 {
00998 print "image not uploaded!!!! ";
00999 } else {
01000
01001 $size = 100;
01002 $thumbpath = $imagepath . $image_filename . "." . "thumb.jpg";
01003 $convert_cmd = ilUtil::getConvertCmd() . " $imagepath$image_filename -resize $sizex$size $thumbpath";
01004 system($convert_cmd);
01005 }
01006 }
01007 }
01008
01018 function get_imagemap_contents($href = "#") {
01019 $imagemap_contents = "<map name=\"".$this->title."\"> ";
01020 for ($i = 0; $i < count($this->answers); $i++) {
01021 $imagemap_contents .= "<area alt=\"".$this->answers[$i]->get_answertext()."\" ";
01022 $imagemap_contents .= "shape=\"".$this->answers[$i]->get_area()."\" ";
01023 $imagemap_contents .= "coords=\"".$this->answers[$i]->get_coords()."\" ";
01024 $imagemap_contents .= "href=\"$href&selimage=" . $this->answers[$i]->get_order() . "\" /> ";
01025 }
01026 $imagemap_contents .= "</map>";
01027 return $imagemap_contents;
01028 }
01029
01039 function get_points() {
01040 return $this->points;
01041 }
01042
01052 function set_points($points = 0.0) {
01053 $this->points = $points;
01054 }
01055
01070 function add_answer(
01071 $answertext = "",
01072 $points = 0.0,
01073 $status = 0,
01074 $order = 0,
01075 $coords="",
01076 $area=""
01077 )
01078 {
01079 if (array_key_exists($order, $this->answers)) {
01080
01081 $answer = new ASS_AnswerImagemap($answertext, $points, $order, $status, $coords, $area);
01082 for ($i = count($this->answers) - 1; $i >= $order; $i--) {
01083 $this->answers[$i+1] = $this->answers[$i];
01084 $this->answers[$i+1]->set_order($i+1);
01085 }
01086 $this->answers[$order] = $answer;
01087 } else {
01088
01089 $answer = new ASS_AnswerImagemap($answertext, $points, count($this->answers), $status, $coords, $area);
01090 array_push($this->answers, $answer);
01091 }
01092 }
01093
01103 function get_answer_count() {
01104 return count($this->answers);
01105 }
01106
01118 function get_answer($index = 0) {
01119 if ($index < 0) return NULL;
01120 if (count($this->answers) < 1) return NULL;
01121 if ($index >= count($this->answers)) return NULL;
01122 return $this->answers[$index];
01123 }
01124
01135 function deleteArea($index = 0) {
01136 if ($index < 0) return;
01137 if (count($this->answers) < 1) return;
01138 if ($index >= count($this->answers)) return;
01139 unset($this->answers[$index]);
01140 $this->answers = array_values($this->answers);
01141 for ($i = 0; $i < count($this->answers); $i++) {
01142 if ($this->answers[$i]->get_order() > $index) {
01143 $this->answers[$i]->set_order($i);
01144 }
01145 }
01146 }
01147
01156 function flush_answers() {
01157 $this->answers = array();
01158 }
01159
01168 function getMaximumPoints() {
01169 $points = array("set" => 0, "unset" => 0);
01170 foreach ($this->answers as $key => $value) {
01171 if ($value->get_points() > $points["set"])
01172 {
01173 $points["set"] = $value->get_points();
01174 }
01175 }
01176 return $points["set"];
01177 }
01178
01188 function getReachedPoints($user_id, $test_id) {
01189 $found_values = array();
01190 $query = sprintf("SELECT * FROM tst_solutions WHERE user_fi = %s AND test_fi = %s AND question_fi = %s",
01191 $this->ilias->db->quote($user_id),
01192 $this->ilias->db->quote($test_id),
01193 $this->ilias->db->quote($this->getId())
01194 );
01195 $result = $this->ilias->db->query($query);
01196 while ($data = $result->fetchRow(DB_FETCHMODE_OBJECT))
01197 {
01198 if (strcmp($data->value1, "") != 0)
01199 {
01200 array_push($found_values, $data->value1);
01201 }
01202 }
01203 $points = 0;
01204 if (count($found_values) > 0)
01205 {
01206 foreach ($this->answers as $key => $answer)
01207 {
01208 if ($answer->isStateChecked())
01209 {
01210 if (in_array($key, $found_values))
01211 {
01212 $points += $answer->get_points();
01213 }
01214 }
01215 }
01216 }
01217 return $points;
01218 }
01219
01231 function _getReachedPoints($user_id, $test_id)
01232 {
01233 return 0;
01234 }
01235
01245 function getReachedInformation($user_id, $test_id) {
01246 $found_values = array();
01247 $query = sprintf("SELECT * FROM tst_solutions WHERE user_fi = %s AND test_fi = %s AND question_fi = %s",
01248 $this->ilias->db->quote($user_id),
01249 $this->ilias->db->quote($test_id),
01250 $this->ilias->db->quote($this->getId())
01251 );
01252 $result = $this->ilias->db->query($query);
01253 while ($data = $result->fetchRow(DB_FETCHMODE_OBJECT))
01254 {
01255 array_push($found_values, $data->value1);
01256 }
01257 $counter = 1;
01258 $user_result = array();
01259 foreach ($found_values as $key => $value)
01260 {
01261 $solution = array(
01262 "order" => "$counter",
01263 "points" => 0,
01264 "true" => 0,
01265 "value" => "",
01266 );
01267 if (strlen($value) > 0)
01268 {
01269 $solution["value"] = $value;
01270 $solution["points"] = $this->answers[$value]->get_points();
01271 if ($this->answers[$value]->isStateChecked())
01272 {
01273 $solution["true"] = 1;
01274 }
01275 }
01276 $counter++;
01277 array_push($user_result, $solution);
01278 }
01279 return $user_result;
01280 }
01281
01292 function saveWorkingData($test_id, $limit_to = LIMIT_NO_LIMIT) {
01293 global $ilDB;
01294 global $ilUser;
01295 $db =& $ilDB->db;
01296
01297 $query = sprintf("DELETE FROM tst_solutions WHERE user_fi = %s AND test_fi = %s AND question_fi = %s",
01298 $db->quote($ilUser->id),
01299 $db->quote($test_id),
01300 $db->quote($this->getId())
01301 );
01302 $result = $db->query($query);
01303
01304 $query = sprintf("INSERT INTO tst_solutions (solution_id, user_fi, test_fi, question_fi, value1, value2, TIMESTAMP) VALUES (NULL, %s, %s, %s, %s, NULL, NULL)",
01305 $db->quote($ilUser->id),
01306 $db->quote($test_id),
01307 $db->quote($this->getId()),
01308 $db->quote($_GET["selImage"])
01309 );
01310 $result = $db->query($query);
01311
01312 return true;
01313 }
01314
01315 function syncWithOriginal()
01316 {
01317 global $ilias;
01318 if ($this->original_id)
01319 {
01320 $complete = 0;
01321 if ($this->isComplete())
01322 {
01323 $complete = 1;
01324 }
01325 $db = & $ilias->db;
01326
01327 $estw_time = $this->getEstimatedWorkingTime();
01328 $estw_time = sprintf("%02d:%02d:%02d", $estw_time['h'], $estw_time['m'], $estw_time['s']);
01329
01330 $query = sprintf("UPDATE qpl_questions SET obj_fi = %s, title = %s, comment = %s, author = %s, question_text = %s, working_time = %s, points = %s, image_file = %s, complete = %s WHERE question_id = %s",
01331 $db->quote($this->obj_id. ""),
01332 $db->quote($this->title . ""),
01333 $db->quote($this->comment . ""),
01334 $db->quote($this->author . ""),
01335 $db->quote($this->question . ""),
01336 $db->quote($estw_time . ""),
01337 $db->quote($this->points . ""),
01338 $db->quote($this->image_filename . ""),
01339 $db->quote($complete . ""),
01340 $db->quote($this->original_id . "")
01341 );
01342 $result = $db->query($query);
01343
01344 if ($result == DB_OK)
01345 {
01346
01347
01348 $query = sprintf("DELETE FROM qpl_answers WHERE question_fi = %s",
01349 $db->quote($this->original_id)
01350 );
01351 $result = $db->query($query);
01352
01353 foreach ($this->answers as $key => $value)
01354 {
01355 $answer_obj = $this->answers[$key];
01356 $query = sprintf("INSERT INTO qpl_answers (answer_id, question_fi, answertext, points, aorder, correctness, coords, area, TIMESTAMP) VALUES (NULL, %s, %s, %s, %s, %s, %s, %s, NULL)",
01357 $db->quote($this->original_id . ""),
01358 $db->quote($answer_obj->get_answertext() . ""),
01359 $db->quote($answer_obj->get_points() . ""),
01360 $db->quote($answer_obj->get_order() . ""),
01361 $db->quote($answer_obj->getState() . ""),
01362 $db->quote($answer_obj->get_coords() . ""),
01363 $db->quote($answer_obj->get_area() . "")
01364 );
01365 $answer_result = $db->query($query);
01366 }
01367 }
01368 parent::syncWithOriginal();
01369 }
01370 }
01371
01380 function getQuestionType()
01381 {
01382 return 6;
01383 }
01384 }
01385
01386 ?>
