[Logicampus-svn] SF.net SVN: logicampus:[1300] logicampus/trunk/src/logicreate/lib/lob/ lc_lob_test.php

[<fah...@us...>]

Revision: 1300
          http://logicampus.svn.sourceforge.net/logicampus/?rev=1300&view=rev
Author:   faheemkhan
Date:     2009-03-06 07:32:34 +0000 (Fri, 06 Mar 2009)

Log Message:
-----------


Added Paths:
-----------
    logicampus/trunk/src/logicreate/lib/lob/lc_lob_test.php

Added: logicampus/trunk/src/logicreate/lib/lob/lc_lob_test.php
===================================================================
--- logicampus/trunk/src/logicreate/lib/lob/lc_lob_test.php	                        (rev 0)
+++ logicampus/trunk/src/logicreate/lib/lob/lc_lob_test.php	2009-03-06 07:32:34 UTC (rev 1300)
@@ -0,0 +1,155 @@
+<?php
+include_once(LIB_PATH.'PBDO/LobTest.php');
+include_once(LIB_PATH.'PBDO/LobTestQst.php');
+//defines constants for question types QUESTON_*
+include_once(LIB_PATH.'AssessmentQuestion.php');
+include_once(LIB_PATH.'AssessmentLib.php');
+
+/**
+ * Hold lob repo entries and lob test entries
+ */
+class Lc_Lob_Test extends Lc_Lob {
+
+	var $type = 'test';
+	var $questionObjs = array();
+	var $mime = 'X-LMS/test';
+
+	function Lc_Lob_Test($id = 0) {
+		if ($id < 1) {
+			$this->repoObj    = new LobRepoEntry();
+			$this->repoObj->lobMime = $this->mime;
+			$this->repoObj->lobType = $this->type;
+			$this->repoObj->lobSubType = $this->type;
+			$this->lobSub     = new LobTest();
+		} else {
+			$this->repoObj   = LobRepoEntry::load($id);
+			$tests           = $this->repoObj->getLobTestsByLobRepoEntryId();
+			$this->lobSub    = $tests[0];
+			$this->loadQuestions();
+			$this->lobMetaObj = LobMetadata::load(array('lob_repo_entry_id'=>$id));
+		}
+
+		if (isset($this->lobMetaObj) || !is_object($this->lobMetaObj)) {
+			$this->lobMetaObj = new LobMetadata();
+			$this->lobMetaObj->createdOn = time();
+		}
+	}
+
+	function save() {
+		$ret = parent::save();
+		if (!$ret) { return FALSE;}
+
+		$this->saveQuestions();
+	}
+
+
+	function setTitle($t) {
+		$this->repoObj->set('lobTitle', $t);
+	}
+
+	function setInstructions($i) {
+		$this->repoObj->set('lobDescription', $i);
+	}
+
+	function setNotes($n) {
+		$this->repoObj->set('lobNotes', $n);
+	}
+
+	function setQuestion($qidx, $qtext, $type = 'QUESTION_ESSAY', $choices = '', $answers = '') {
+		$q = $this->_makeQuestion($qtext, $type, $choices, $answers);
+		if ($qidx > -1) {
+			$this->questionObjs[$qidx] = $q;
+		} else {
+			$this->questionObjs[] = $q;
+		}
+	}
+
+	function addQuestion($qtext, $type = 'QUESTION_ESSAY', $choices = '', $answers = '') {
+		$q = $this->_makeQuestion($qtext, $type, $choices, $answers);
+		$this->questionObjs[] = $q;
+	}
+
+	function getQuestionCount() {
+		return count($this->questionObjs);
+	}
+
+	function _makeQuestion($qtext, $type, $choices, $answers='') {
+		$q = new LobTestQst();
+		$q->qstChoices = array();
+		$q->qstText =  $qtext;
+		$q->questionTypeId = constant($type);
+		if ( is_array($choices) ) {
+			$q->qstChoices = $choices;
+		}
+		return $q;
+	}
+
+	/**
+	 * Load questions from the DB, add to internal questionObjs array
+	 */
+	function loadQuestions() {
+		$this->questionObjs = array();
+		if ($this->lobSub->get('lobTestId') < 1) { return; }
+		$questionList =  LobTestQstPeer::doSelect( ' lob_test_id = '.$this->lobSub->get('lobTestId'));
+		foreach ($questionList as $q) {
+			$q->qstChoices = unserialize($q->qstChoices);
+			$this->questionObjs[] = $q;
+		}
+	}
+
+
+	function saveQuestions() {
+		//clean out questions which have been deleted
+		$ids = array();
+		$qry; // for delete query
+		$idList; // list of question ids that are not removed
+		foreach ($this->questionObjs as $q) {
+			if ((int) $q->lobTestQstId < 1)  continue;
+			$ids[] = $q->lobTestQstId;
+		}
+		
+		/*
+		 *  modified by dewrax: PU Tasks
+		 * 	added $ids check, if the $ids count is 0, the list will not be build and appended to delte query.
+		 */		 
+		if( count($ids) == 0 ){		
+			$qry =  'delete from lob_test_qst WHERE lob_test_id = '.$this->lobSub->get('lobTestId');
+		} else {
+			$idList = '('. implode(',', $ids).')';
+			$qry =  'delete from lob_test_qst WHERE lob_test_id = '.$this->lobSub->get('lobTestId') .' AND lob_test_qst_id NOT IN '.$idList;	
+		}
+				
+		LobTestQstPeer::doQuery($qry);
+
+		//save the questions which have been edited or created new
+		foreach($this->questionObjs as $q) {
+			if (!is_object($q)) { continue; }
+			if (!method_exists( $q, 'set')) { continue; }
+			$q->set('lobTestId', $this->lobSub->get('lobTestId'));
+			$q->qstChoices = serialize($q->qstChoices);
+			$q->save();
+		}
+	}
+
+	/**
+	 *
+	 * @return bool successfully added the choice
+	 */
+	function addLabel($l, $correct, $qidx=-1) {
+		if ($qidx == -1) {
+			$qidx = $this->getQuestionCount()-1;
+		}
+		if ($qidx == -1) {
+			return false;
+		}
+		$lidx = count($this->questionObjs[$qidx]->qstChoices);
+		if ($lidx == -1) {
+			$lidx = 0;
+		}
+	
+		$this->questionObjs[$qidx]->qstChoices[$lidx]['label'] = $l;
+		$this->questionObjs[$qidx]->qstChoices[$lidx]['correct'] = $correct;
+		return true;
+	}
+}
+?>


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.