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4288
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leinfelder
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/****************************************************************************
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* Multiple Assessment download
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* @param form containing the neceassary input items
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* @return true/false for form submission
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*****************************************************************************/
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function multipleAssessmentSearch(submitFormObj) {
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//harvest the metadata fields we want to include
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var metadataObjs = new Array();
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/*
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var index = 0;
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for (var i=0; i < submitFormObj.length; i++) {
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var formElement = submitFormObj.elements[i];
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if (formElement.type == "checkbox" && formElement.checked) {
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//ignore certain other checkboxes, kind of a hack
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if (formElement.name == "includeQuestions") {
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continue;
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}
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var metadataObj = new Object();
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metadataObj.name = formElement.name;
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metadataObj.value = formElement.value;
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metadataObjs[index] = metadataObj;
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index++;
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}
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}
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*/
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4267
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4288
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//TODO option for all questions vs. just one
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var questionId = submitFormObj.questionId.value;
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//alert("questionId=" + questionId);
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var questionIds = new Array();
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questionIds[0] = questionId;
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var documentObjects = new Array();
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var index = 0;
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if (submitFormObj.docids.length > 1) {
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for (var i=0; i < submitFormObj.docids.length; i++) {
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if (submitFormObj.docids[i].checked) {
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var documentObject = new Object();
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documentObject.docid = submitFormObj.docids[i].value;
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for (var z = 0; z < submitFormObj[documentObject.docid].length; z++) {
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questionIds[z] = submitFormObj[documentObject.docid][z].value;
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}
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documentObject.questionIds = questionIds;
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documentObjects[index] = documentObject;
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index++;
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}
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4288
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}
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}
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else {
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if (submitFormObj.docids.checked) {
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var documentObject = new Object();
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documentObject.docid = submitFormObj.docids.value;
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for (var z = 0; z < submitFormObj[documentObject.docid].length; z++) {
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questionIds[z] = submitFormObj[documentObject.docid][z].value;
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}
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documentObject.questionIds = questionIds;
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documentObjects[0] = documentObject;
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}
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}
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var query = generateQuery(documentObjects, metadataObjs);
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submitFormObj.dataquery.value = query;
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return true;
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}
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/****************************************************************************
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* Single Assessment download
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* @param form containing the neceassary input items
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* @return true/false for form submission
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*****************************************************************************/
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function assessmentSearch(submitFormObj) {
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//harvest the metadata fields we want to include
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var metadataObjs = new Array();
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var index = 0;
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for (var i=0; i < submitFormObj.length; i++) {
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var formElement = submitFormObj.elements[i];
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if (formElement.type == "checkbox" && formElement.checked) {
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//ignore certain other checkboxes, kind of a hack
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if (formElement.name == "includeQuestions") {
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continue;
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}
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var metadataObj = new Object();
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metadataObj.name = formElement.name;
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metadataObj.value = formElement.value;
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metadataObjs[index] = metadataObj;
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index++;
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}
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}
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//var checkBox = document.getElementById("searchAll");
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var docId = submitFormObj.docid.value;
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//alert("docId=" + docId);
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//do we want question metadata?
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var includeQuestions = submitFormObj.includeQuestions.checked;
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var questionIds = new Array();
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questionIds[0] = "";
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if (includeQuestions) {
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if (submitFormObj.assessmentItemId.length > 1) {
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for (var i=0; i < submitFormObj.assessmentItemId.length; i++) {
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questionIds[i] = submitFormObj.assessmentItemId[i].value;
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}
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}
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else {
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questionIds[0] = submitFormObj.assessmentItemId.value;
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}
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}
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//set up the list of objects to pass to the query assembler, just one document
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var documentObjects = new Array();
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var documentObject = new Object();
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documentObject.docid = docId;
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documentObject.questionIds = questionIds;
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documentObjects[0] = documentObject;
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4281
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4288
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var query = generateQuery(documentObjects, metadataObjs);
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submitFormObj.dataquery.value = query;
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return true;
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}
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/****************************************************************************
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* Query Generation function
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* @param docObjs is an Array of Objects with "docid" (String) and "questionIds" (Array) properties
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* @param metadataObjs is an Array of Objects with "name" and "value" properties (both String)
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* @return generated query string
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*****************************************************************************/
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function generateQuery(docObjs, metadataObjs) {
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//alert("calling method");
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//construct the assessment metadata attribute selection snippet
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4267
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var metadataAttributes = "";
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var index = 0;
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4288
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for (var j=0; j < metadataObjs.length; j++) {
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var metadataObj = metadataObjs[j];
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4267
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metadataAttributes += "<attribute index=\"";
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metadataAttributes += index;
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metadataAttributes += "\">";
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metadataAttributes += "<pathexpr label=\"";
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metadataAttributes += metadataObj.name;
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metadataAttributes += "\">";
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metadataAttributes += metadataObj.value;
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metadataAttributes += "</pathexpr>";
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metadataAttributes += "</attribute>";
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index++;
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}//metadataObjs loop
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//construct the begining of the query
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var tempQuery =
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"<?xml version=\"1.0\"?>"
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+ "<dataquery>"
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+ "<union>";
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for (var i=0; i < docObjs.length; i++) {
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var docId = docObjs[i].docid;
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alert("docId=" + docId);
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//get the question ids for this question
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var questionIds = docObjs[i].questionIds;
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4267
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4288
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alert("questionIds=" + questionIds);
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//assemble the assessment metadata
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var metadataAttributeSelection = "";
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if (metadataAttributes.length > 0) {
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metadataAttributeSelection =
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"<datapackage id=\"" + docId + "\">"
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+ "<entity id=\"" + docId + "\">"
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+ metadataAttributes
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+ "</entity>"
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+ "</datapackage>";
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4288
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}
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//loop for each question item
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for (var k=0; k < questionIds.length; k++) {
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var questionId = questionIds[k];
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tempQuery +=
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"<query>"
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//select the data
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+ "<selection>"
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+ "<datapackage id=\"" + docId + "\">"
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+ "<entity index=\"0\">"
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+ "<attribute index=\"0\"/>"
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+ "<attribute index=\"1\"/>"
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//omit student id attribute
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+ "<attribute index=\"3\"/>"
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+ "<attribute index=\"4\"/>"
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+ "</entity>"
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+ "</datapackage>";
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//select the metadata
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tempQuery += metadataAttributeSelection;
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//select the question metadata
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if (questionId.length > 0) {
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tempQuery +=
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"<datapackage id=\"" + questionId + "\">"
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+ "<entity id=\"" + questionId + "\">"
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+ "<attribute index=\"0\">"
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+ "<pathexpr label=\"qId\">//assessment/section/item/@ident</pathexpr>"
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+ "</attribute>"
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+ "<attribute index=\"1\">"
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+ "<pathexpr label=\"qTitle\">//assessment/section/item/@title</pathexpr>"
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+ "</attribute>"
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+ "<attribute index=\"2\">"
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+ "<pathexpr label=\"qLabel\">//assessment/section/item/presentation/@label</pathexpr>"
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+ "</attribute>"
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+ "</entity>"
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+ "</datapackage>";
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}
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tempQuery += "</selection>";
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4281
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leinfelder
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4288
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leinfelder
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//join to the quesion "table"
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if (questionId.length > 0) {
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tempQuery +=
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4288
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"<where>"
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+ "<condition type=\"join\">"
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+ "<left>"
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+ "<datapackage id=\"" + docId + "\">"
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+ "<entity index=\"0\">"
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+ "<attribute index=\"1\"/>"
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+ "</entity>"
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| 243 |
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+ "</datapackage>"
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| 244 |
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+ "</left>"
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+ "<operator>=</operator>"
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| 246 |
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+ "<right>"
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| 247 |
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+ "<datapackage id=\"" + questionId + "\">"
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| 248 |
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+ "<entity id=\"" + questionId + "\">"
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| 249 |
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+ "<attribute index=\"0\">"
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| 250 |
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+ "<pathexpr label=\"qId\">//assessment/section/item/@ident</pathexpr>"
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+ "</attribute>"
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+ "</entity>"
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| 253 |
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+ "</datapackage>"
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+ "</right>"
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+ "</condition>"
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+ "</where>";
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}
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tempQuery += "</query>";
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} // for questionId loop
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| 264 |
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} //for docObjs loop
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| 265 |
4281
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leinfelder
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| 266 |
4288
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leinfelder
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tempQuery +=
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"</union>"
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+ "</dataquery>";
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alert(tempQuery);
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| 272 |
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return tempQuery;
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| 273 |
4290
|
leinfelder
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}
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| 274 |
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| 275 |
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function generateSearchString(searchString, searchAssessments, searchAssessmentItems) {
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| 276 |
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var queryString =
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| 277 |
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"<pathquery version=\"1.2\">"
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| 278 |
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+"<querytitle>Web-Search</querytitle>";
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| 279 |
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| 280 |
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/** assessments **/
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| 281 |
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if (searchAssessments) {
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| 282 |
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| 283 |
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queryString +=
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| 284 |
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"<returndoctype>edml://ecoinformatics.org/edml</returndoctype>"
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| 285 |
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//assessment fields
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| 287 |
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+"<returnfield>assessment/duration</returnfield>"
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| 288 |
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+"<returnfield>assessment/@title</returnfield>"
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| 289 |
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+"<returnfield>assessment/@id</returnfield>"
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| 290 |
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+"<returnfield>lom/general/title/string</returnfield>"
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| 291 |
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+"<returnfield>lom/general/keyword/string</returnfield>"
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| 292 |
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+"<returnfield>individualName/surName</returnfield>"
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| 293 |
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+"<returnfield>organizationName</returnfield>"
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| 294 |
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| 295 |
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+"<returnfield>assessmentItems/assessmentItem/assessmentItemId</returnfield>";
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| 296 |
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| 297 |
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}
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| 298 |
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| 299 |
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/** questions **/
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| 300 |
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if (searchAssessmentItems) {
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| 301 |
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queryString +=
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| 302 |
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"<returndoctype>http://www.imsglobal.org/xsd/ims_qtiasiv1p2</returndoctype>"
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| 303 |
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| 304 |
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//question (qti) fields
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| 305 |
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+"<returnfield>item/@title</returnfield>"
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+"<returnfield>item/@ident</returnfield>"
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| 307 |
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+"<returnfield>qtimetadata/qtimetadatafield/fieldlabel</returnfield>"
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| 308 |
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+"<returnfield>qtimetadata/qtimetadatafield/fieldentry</returnfield>"
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| 309 |
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//classification
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| 310 |
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+"<returnfield>fieldlabel</returnfield>"
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| 311 |
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+"<returnfield>fieldentry</returnfield>"
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| 312 |
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+"<returnfield>objectives/material/mattext</returnfield>"
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| 313 |
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//question content
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| 314 |
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+"<returnfield>presentation/flow/material/mattext</returnfield>"
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| 315 |
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+"<returnfield>response_label/@ident</returnfield>"
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| 316 |
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+"<returnfield>response_label/material/mattext</returnfield>";
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| 317 |
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}
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| 318 |
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| 319 |
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queryString +=
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| 320 |
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"<querygroup operator=\"UNION\">"
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| 321 |
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+"<queryterm searchmode=\"contains\" casesensitive=\"false\">"
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| 322 |
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+"<value>" + searchString + "</value>"
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| 323 |
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+"</queryterm>"
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| 324 |
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+"</querygroup>"
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| 325 |
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+"</pathquery>";
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| 326 |
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| 327 |
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return queryString;
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| 328 |
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| 329 |
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}
|
| 330 |
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| 331 |
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| 332 |
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function generateAssessmentSearchString(assessmentItemId) {
|
| 333 |
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var query =
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| 334 |
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"<pathquery version='1.2'>"
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| 335 |
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+"<querytitle>Containing-Assessment-Search</querytitle>"
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| 336 |
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| 337 |
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+"<returndoctype>edml://ecoinformatics.org/edml</returndoctype>"
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| 338 |
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| 339 |
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+"<returnfield>assessment/@title</returnfield>"
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| 340 |
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+"<returnfield>assessment/@id</returnfield>"
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| 341 |
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+"<returnfield>assessment/duration</returnfield>"
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| 342 |
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+"<returnfield>lom/general/title/string</returnfield>"
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| 343 |
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+"<returnfield>lom/general/keyword/string</returnfield>"
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| 344 |
|
|
+"<returnfield>individualName/surName</returnfield>"
|
| 345 |
|
|
+"<returnfield>organizationName</returnfield>"
|
| 346 |
|
|
|
| 347 |
|
|
+"<returnfield>assessmentItems/assessmentItem/assessmentItemId</returnfield>";
|
| 348 |
|
|
|
| 349 |
|
|
if (assessmentItemId.length > 0) {
|
| 350 |
|
|
query += "<querygroup operator='UNION'>";
|
| 351 |
|
|
|
| 352 |
|
|
//add the assessmentId if included
|
| 353 |
|
|
query +=
|
| 354 |
|
|
"<queryterm searchmode='contains' casesensitive='false'>"
|
| 355 |
|
|
+"<value>"
|
| 356 |
|
|
+ assessmentItemId
|
| 357 |
|
|
+"</value>"
|
| 358 |
|
|
+"<pathexpr>assessmentItemId</pathexpr>"
|
| 359 |
|
|
+"</queryterm>";
|
| 360 |
|
|
|
| 361 |
|
|
//close the query group
|
| 362 |
|
|
query +=
|
| 363 |
|
|
"</querygroup>";
|
| 364 |
|
|
}
|
| 365 |
|
|
|
| 366 |
|
|
query += "</pathquery>";
|
| 367 |
|
|
|
| 368 |
|
|
return query;
|
| 369 |
|
|
}
|
| 370 |
|
|
|
| 371 |
|
|
function callAjax(metacatURL, myQuery, qfmt) {
|
| 372 |
|
|
|
| 373 |
|
|
//alert("calling ajax: " + metacatURL);
|
| 374 |
|
|
//alert("myQuery: " + myQuery);
|
| 375 |
|
|
|
| 376 |
|
|
//var myRequest = new Ajax.Request(
|
| 377 |
|
|
var myUpdate = new Ajax.Updater(
|
| 378 |
|
|
'ajaxResults',
|
| 379 |
|
|
metacatURL,
|
| 380 |
|
|
{ method: 'post',
|
| 381 |
|
|
parameters: { action: 'squery', qformat: qfmt, query: myQuery},
|
| 382 |
|
|
evalScripts: true,
|
| 383 |
|
|
//onSuccess: function(transport) {alert('success: ' + transport.status);},
|
| 384 |
|
|
onFailure: function(transport) {alert('failure making ajax call');}
|
| 385 |
|
|
});
|
| 386 |
|
|
|
| 387 |
|
|
//alert("done calling ajax");
|
| 388 |
4267
|
leinfelder
|
}
|