"+title+"

/* WebEQ Solutions Library Test and Quiz Logic Module Copyright (c) 2003, Design Science, Inc., all rights reserved */ // Constructs a MathTest function MathTest(){ this.init(); } // Internal method called by all question constructors to initialize parameters MathTest.prototype.init = function() { // scoring parameters this.right=0; // number of question answered correctly this.wrong=0; // number of question answered incorrectly this.whichwrong = new Array(); // question numbers denoting which are wrong this.pts = 0; // number of points student scored this.totalPts = 0; // number of total possible points this.questions; // list of all QA objects in the test this.q_items; // list of all scoreable items in the test } // sets the array of questions for the test MathTest.prototype.setQuestions = function(questions) { // in order to handle matching groups, we ask each question // to add it's own subparts to the list of scoreable items this.questions = questions; this.q_items = new Array() for (var i=0; i 0) { // if it got points, it's right this.right++; } // if it wasn't answered, isn't right, but isn't wrong else if (this.q_items[i].isAnswered()) { this.wrong++; this.whichwrong.push(this.q_items[i].questionNum); } this.pts += pts; this.totalPts += this.q_items[i].getMaxPoints(); } } // Internal method that returns the grade this student would have gotten MathTest.prototype.getGradeStr = function(){ var percent = Math.round(((this.pts*100)/this.totalPts)) if (percent >= 90) return "Great Score -- A!" else if (percent >= 80) return "Good Score -- B." else if (percent >= 70) return "Average Score -- C." else return "Keep Trying!"; } // Internal method stating which answers were wrong MathTest.prototype.showWrong = function(){ if (this.wrong > 0) { msg.document.writeln(" You scored incorrectly on the following questions:

"); } msg.document.write(""); for (var i = 0; i < this.whichwrong.length; i++) { msg.document.write(this.whichwrong[i]); if (i"); } // Opens a results window and scores the test MathTest.prototype.showResults = function () { var bgColor="black", textColor="white", titleColor="#ff99ff"; var title="Your Test Results"; this.score(); // first, score the test msg=open("","TestResults","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=400,height=400"); msg.document.clear(); msg.document.writeln(""); msg.document.writeln(""+title+""); msg.document.writeln(""); msg.document.writeln("
"); msg.document.writeln("

"+title+"

"); msg.document.writeln("
"); msg.document.writeln("
"); var grade = this.getGradeStr(); // returns grading criteria msg.document.writeln("
"); msg.document.writeln(" "+grade+" "); msg.document.writeln("
"); msg.document.writeln("You scored " + Math.round(((this.pts*100)/this.totalPts)) + "% on this test."); msg.document.write("You answered a total of " + this.right + " items correctly out of " + this.q_items.length+", " ); msg.document.write("giving you a total of " + this.pts + " points out of a possible " + this.totalPts + ".
"); this.showWrong(); msg.document.writeln("
"); this.reset(); msg.document.writeln("
"); msg.document.writeln("
"); msg.document.writeln(""); msg.document.writeln("
"); msg.document.writeln(""); msg.document.writeln(""); msg.document.close(); } MathTest.prototype.writeControls = function(testName) { document.write("
"); document.write(" "); document.write(" "); document.write(" "); document.write("
"); } // Writes the entire working test into the web page, including scoring // and reset buttons MathTest.prototype.write = function(testName, asTable) { document.write("
"); if (asTable) { document.write(" "); } // show the QA items for (var i=0; i"); } document.write(""); this.writeControls(testName); document.write(""); document.write(""); } //--------------------- Question/Answer functions -------------------- // // Question/Answer base class QA.answerID = 1; // create unique answer control names QA.answer_string = "wbq_answer_"; // Create a generic question/answer object function QA(){ this.init(); } // private method used to initialize all variables QA.prototype.init = function() { this.questionNum; // text - the number of the question (e.g. 1 or 2a) this.questionText; // text - the question this.correctAnswer; // text - the answer this.numPoints; // point value of question // document object in string form (used to find & update answer) this.answerObjStr = QA.answer_string + QA.answerID++; this.valid=false; // is the question initialized } // single question general information QA.prototype.setData = function(num, qText, answer, weight) { this.questionNum = num; this.questionText = qText; this.correctAnswer = answer; this.weight = weight; this.answered = false; } // returns max points a question could have QA.prototype.getMaxPoints = function() { return this.weight; } // returns whether the question was answered QA.prototype.isAnswered = function () { return this.answered; } QA.prototype.getNumAndText = function(isWrapped) { var text = ""; if (isWrapped) { text += "\n"; } else { text = "
"+this.questionNum+" " + this.questionText+"\n"; text += "
\n"; } return text; } //---------------------- EquationQA -------------------------------- // An EquationQA uses the WebEQ Input Control to accept an equation // as an answer. The reader's answer is compared to the test author's // using the "functional" equality check of the WebEQ Comparator. EquationQA.prototype = new QA(); EquationQA.prototype.constructor = EquationQA; EquationQA.superclass = QA.prototype; // EquationQA constructor function EquationQA() { this.init(); this.bgcolor; // background color of applet this.fgcolor ; // foreground color of applet this.fontSize; // size of text in applet this.toolbar; // custom toolbar, if any this.height = 150; // default applet height this.width = 400; // default applet width } // Internal method adding the item to the test's item list EquationQA.prototype.addItems= function(itemArray) { itemArray.push(this); } // Internal method. Resets the InputControl EquationQA.prototype.reset = function () { var obj = eval("document."+this.answerObjStr); obj.setMathML(eqnEmptyString); this.answered=false; } // checks the answer. EquationQA.prototype.check = function () { var applt = document.getElementById(this.answerObjStr); if (!applt) { showError(this, "no question with name "+ this.answerObjStr); return; } var compare = document.provider.getService("comparator"); if (!compare) { showError(this, "unable to initialize comparator"); return; } var mml = applt.getMathML(); // we replace the dotless i, since in Windows, if Regional Setting is set to Turkish, that's what the i comes out as from java (in IE) // first convert from javaObject to javascript String mml = String(mml); // this does the replacement mml = mml.split("ı").join("i"); compare.setMathML(mml, this.correctAnswer); if (applt.getPackedMathML() != eqnEmptyString) { this.answered = true; var evalResult = compare.compareAsFunction(); if (evalResult){ return this.weight; } } return 0; } // sets the size of the input control applet EquationQA.prototype.setSize = function(width, height) { this.height=height; this.width=width; } // sets the foreground color EquationQA.prototype.setForegroundColor = function(color) { this.fgcolor = color; } // returns the foreground color EquationQA.prototype.getForegroundColor = function() { return this.fgcolor; } // sets the background color EquationQA.prototype.setBackgroundColor = function(color) { this.bgcolor = color; } // returns the background color EquationQA.prototype.getBackgroundColor = function() { return this.bgcolor; } // sets the textsize EquationQA.prototype.setFontSize = function(size) { this.fontSize = size; } // returns the font size EquationQA.prototype.getFontSize = function() { return this.fontSize; } // sets a custom toolbar config string EquationQA.prototype.setToolbar = function(toolStr) { this.toolbar = toolStr; } // returns any custom toolbar config string EquationQA.prototype.getToolbar = function() { return this.toolbar; } // writes out all pieces needed to create a long answer EquationQA.prototype.write = function(isWrapped) { var text = ""; if (typeof document.provider == "undefined") { writeServiceProvider(); } text += this.getNumAndText(isWrapped); if (isWrapped) { text += "
\n"; } else { text += "
\n"; } document.write(text); } //------------------- Short Answer QA Object ------------------------- // A short answer is a simple text input widget. It allows users to enter in // anything that can be typed on their keyboard, such as numbers or variables. ShortAnswerQA.prototype = new QA(); ShortAnswerQA.prototype.constructor = ShortAnswerQA; ShortAnswerQA.superclass = QA.prototype; // create a short answer. function ShortAnswerQA() { this.init(); this.size = 5; } // Internal method adding the item to the test's item list ShortAnswerQA.prototype.addItems= function(itemArray) { itemArray.push(this); } // Internal method for clearing the form field ShortAnswerQA.prototype.reset = function () { this.answered=false; } // checks the answer. ShortAnswerQA.prototype.check = function () { var curObj = document.getElementById(this.answerObjStr); if (!curObj) { showError(this, "no question with name" + this.answerObjStr); return; } if (curObj.value != "") { this.answered = true; } if(curObj.value == this.correctAnswer){ return this.weight; } else { return 0; } } // set the width of the input text box ShortAnswerQA.prototype.setWidth = function(size) { this.size = size; } // writes out all pieces needed to create a short answer ShortAnswerQA.prototype.write = function(isWrapped) { var text = ""; text += this.getNumAndText(isWrapped); if (isWrapped) { text += "\n"; } else { text += "
\n" } document.write(text); } // -------------------- MultipleChoiceQA Object ----------------------------- // A MultipleChoiceQA uses radio buttons to distiguish between a set number of choices // that a user can choose from. Only one answer can be chosen at a time from this // list of alternatives. MultipleChoiceQA.prototype = new QA(); MultipleChoiceQA.prototype.constructor = MultipleChoiceQA; MultipleChoiceQA.superclass = QA.prototype; // Constructs a multiple choice answer type function MultipleChoiceQA() { this.init(); } // set the choices that the user can choose from MultipleChoiceQA.prototype.setChoices = function (choices) { this.choices = choices; } // Internal method adding the item to the test's item list MultipleChoiceQA.prototype.addItems= function(itemArray) { itemArray.push(this); } // Internal method for resetting the form MultipleChoiceQA.prototype.reset = function () { this.answered=false; } // checks the answer to see if user chose the right one. MultipleChoiceQA.prototype.check = function () { // NOTE: radio buttons must be accessed by name, not ID var curObj = document.getElementsByName(this.answerObjStr); if (!curObj) { showError(this, "no question with name" + this.answerObjStr); return; } for (var j=0; j\n"; for (var i=0; i"+this.choices[i]+"\n"; } text += " \n"; text += "\n"; } else { text += "
\n"; for (var i=0; i"+this.choices[i]+"\n"; } text += "
\n"; } document.write(text); } //------------------ MatchingQA Objects --------------------------------- // Matching questions require two objects, the MatchingQA object for // the question as a whole, and MatchingItem objects for the // individual items MatchingItem.prototype = new QA(); MatchingItem.prototype.constructor = MatchingItem; MatchingItem.superclass = QA.prototype; // Constructs a MatchingItem for a MatchingQA function MatchingItem() { this.init(); this.group=0; // set by the 'owner' MatchingQA object } // Internal method called by MatchingQA.setChoices() MatchingItem.prototype.setGroup = function (group) { this.group = group; } // Internal method to reset the question MatchingItem.prototype.reset = function () { this.answered=false; } // checks the answer for a specific matching question MatchingItem.prototype.check = function () { var curObj = document.getElementById(this.answerObjStr); if (!curObj) { showError(this, "no question with name" + this.answerObjStr); return; } if (curObj.selectedIndex != 0) { this.answered=true; } if (curObj.selectedIndex == this.correctAnswer) { return this.weight; } else { return 0; } } // A MatchingQA objects contains all of individual MatchingItems. // NOTE: this does not inherit from the QA base class. MatchingQA.id=1; MatchingQA.choice_string = "wbq_choice_"; // Constructs a MatchingQA object function MatchingQA(name) { // need the variable name to 'eval' the markChosen method this.questionNum; // number associated with the group as a whole this.questionText; // text introducing the matching group as a whole this.items; // collection of the matching items this.choiceObjStrs; // set of strings stating which choices are part of this group this.choiceTexts; // overall texts outlining the individual choices this.init(name); } // private method used to associate a name MatchingQA.prototype.init = function(name) { this.objName = name; } MatchingQA.prototype.getNumAndText = QA.prototype.getNumAndText; // set the data for the matching question as a whole. This is the // number and text introducing the group as a whole MatchingQA.prototype.setData = function(num, text) { this.questionNum = num; this.questionText = text; } // Set an array containing the itemss of the matching group MatchingQA.prototype.setItems = function(items) { this.choiceObjStrs = new Array(); this.items = items; for (var i=0; i
"+this.questionNum+" "+this.questionText; + " \n"; } text += ''; text += ''; text += ''; text += ''; if (this.fontSize) { text += " \n"; } if (this.fgcolor) { text += " \n"; } if (this.bgcolor) { text += " \n"; } if (this.toolbar) { text += " \n"; } text += " \n"; if (isWrapped) { text += "
\n"; text += " \n" text += "
\n"; // lefthand column for (var i=0; i\n"; text += optionString; text += " \n"; text += this.items[i].questionText; text += "
\n"; } text += " \n"; text += "\n"; // righthand column for (var i=0; i"+this.choiceTexts[i]+"\n"; } else { text += " \n"; } } text += "
"+(i+1)+". "+this.choiceTexts[i]+"
\n"; text += "
\n"; return text; } // Internal method creating the options for inclusion in the choices div MatchingQA.prototype.createOptions = function() { var text = " \n"; for (var i=0; i"+(i+1)+"\n"; } return text; }