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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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//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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}
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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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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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var metadataAttributes = "";
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var index = 0;
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for (var j=0; j < metadataObjs.length; j++) {
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var metadataObj = metadataObjs[j];
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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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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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}
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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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//join to the quesion "table"
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if (questionId.length > 0) {
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tempQuery +=
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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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+ "</datapackage>"
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+ "</left>"
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+ "<operator>=</operator>"
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+ "<right>"
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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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+ "</entity>"
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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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262
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263
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} //for docObjs loop
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265
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tempQuery +=
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"</union>"
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+ "</dataquery>";
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269
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270
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alert(tempQuery);
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271
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272
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return tempQuery;
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273
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}
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274
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275
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/**
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276
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* @param searchTerms - and object (hashtable) with, pay attention now:
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277
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keys are search values
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278
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* values are pathexprs
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279
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**/
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280
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function generateSearchString(searchTerms, operator, searchAssessments, searchAssessmentItems) {
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281
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var queryString =
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282
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"<pathquery version=\"1.2\">"
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283
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+"<querytitle>Web-Search</querytitle>";
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284
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285
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/** assessments **/
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286
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if (searchAssessments) {
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287
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288
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queryString +=
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289
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"<returndoctype>edml://ecoinformatics.org/edml</returndoctype>"
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290
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291
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//assessment fields
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292
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+"<returnfield>assessment/duration</returnfield>"
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293
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+"<returnfield>assessment/@title</returnfield>"
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294
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+"<returnfield>assessment/@id</returnfield>"
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295
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+"<returnfield>lom/general/title/string</returnfield>"
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296
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+"<returnfield>lom/general/keyword/string</returnfield>"
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297
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+"<returnfield>individualName/surName</returnfield>"
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298
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+"<returnfield>organizationName</returnfield>"
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299
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300
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+"<returnfield>assessmentItems/assessmentItem/assessmentItemId</returnfield>";
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301
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302
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}
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303
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304
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/** questions **/
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305
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if (searchAssessmentItems) {
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306
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queryString +=
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307
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"<returndoctype>http://www.imsglobal.org/xsd/ims_qtiasiv1p2</returndoctype>"
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308
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309
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//question (qti) fields
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310
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+"<returnfield>item/@title</returnfield>"
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311
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+"<returnfield>item/@ident</returnfield>"
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312
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+"<returnfield>qtimetadata/qtimetadatafield/fieldlabel</returnfield>"
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313
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+"<returnfield>qtimetadata/qtimetadatafield/fieldentry</returnfield>"
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314
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//classification
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315
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+"<returnfield>fieldlabel</returnfield>"
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316
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+"<returnfield>fieldentry</returnfield>"
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317
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+"<returnfield>objectives/material/mattext</returnfield>"
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318
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//question content
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319
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+"<returnfield>presentation/flow/material/mattext</returnfield>"
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320
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+"<returnfield>response_label/@ident</returnfield>"
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321
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+"<returnfield>response_label/material/mattext</returnfield>";
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322
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}
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|
323
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324
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queryString +=
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325
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"<querygroup operator=\"" + operator + "\">";
|
|
326
|
|
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327
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for (var i in searchTerms) {
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328
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var key = i;
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329
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var value = searchTerms[i];
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330
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queryString +=
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331
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"<queryterm searchmode=\"contains\" casesensitive=\"false\">";
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332
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if (key != "anyValue") {
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333
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queryString += "<pathexpr>" + key + "</pathexpr>";
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334
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}
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335
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queryString += "<value>" + value + "</value>";
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336
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queryString +="</queryterm>";
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337
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}
|
|
338
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|
|
339
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queryString +=
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340
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"</querygroup>"
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|
341
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+"</pathquery>";
|
|
342
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|
|
343
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return queryString;
|
|
344
|
|
|
345
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}
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|
346
|
|
|
347
|
|
|
348
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function generateAssessmentSearchString(assessmentItemId) {
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|
349
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var query =
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350
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"<pathquery version='1.2'>"
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351
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+"<querytitle>Containing-Assessment-Search</querytitle>"
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352
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353
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+"<returndoctype>edml://ecoinformatics.org/edml</returndoctype>"
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354
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355
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+"<returnfield>assessment/@title</returnfield>"
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356
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+"<returnfield>assessment/@id</returnfield>"
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357
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+"<returnfield>assessment/duration</returnfield>"
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358
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+"<returnfield>lom/general/title/string</returnfield>"
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359
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+"<returnfield>lom/general/keyword/string</returnfield>"
|
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360
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+"<returnfield>individualName/surName</returnfield>"
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|
361
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+"<returnfield>organizationName</returnfield>"
|
|
362
|
|
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363
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+"<returnfield>assessmentItems/assessmentItem/assessmentItemId</returnfield>";
|
|
364
|
|
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365
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if (assessmentItemId.length > 0) {
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366
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query += "<querygroup operator='UNION'>";
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|
367
|
|
|
368
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//add the assessmentId if included
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369
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query +=
|
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370
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"<queryterm searchmode='contains' casesensitive='false'>"
|
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371
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+"<value>"
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372
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+ assessmentItemId
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373
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+"</value>"
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374
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+"<pathexpr>assessmentItemId</pathexpr>"
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375
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+"</queryterm>";
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|
376
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|
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377
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//close the query group
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|
378
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query +=
|
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379
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"</querygroup>";
|
|
380
|
}
|
|
381
|
|
|
382
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query += "</pathquery>";
|
|
383
|
|
|
384
|
return query;
|
|
385
|
}
|
|
386
|
|
|
387
|
function generateAssessmentListString(assessmentIds) {
|
|
388
|
var query =
|
|
389
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"<pathquery version='1.2'>"
|
|
390
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+"<querytitle>Assessment-List</querytitle>"
|
|
391
|
|
|
392
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+"<returndoctype>edml://ecoinformatics.org/edml</returndoctype>"
|
|
393
|
|
|
394
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+"<returnfield>assessment/@title</returnfield>"
|
|
395
|
+"<returnfield>assessment/@id</returnfield>"
|
|
396
|
+"<returnfield>assessment/duration</returnfield>"
|
|
397
|
+"<returnfield>lom/general/title/string</returnfield>"
|
|
398
|
+"<returnfield>lom/general/keyword/string</returnfield>"
|
|
399
|
+"<returnfield>individualName/surName</returnfield>"
|
|
400
|
+"<returnfield>organizationName</returnfield>"
|
|
401
|
|
|
402
|
+"<returnfield>assessmentItems/assessmentItem/assessmentItemId</returnfield>";
|
|
403
|
|
|
404
|
if (assessmentIds.length > 0) {
|
|
405
|
query += "<querygroup operator='UNION'>";
|
|
406
|
|
|
407
|
//add the assessmentId if included
|
|
408
|
for (var i=0; i < assessmentIds.length; i++) {
|
|
409
|
query +=
|
|
410
|
"<queryterm searchmode='equals' casesensitive='false'>"
|
|
411
|
+"<value>"
|
|
412
|
+ assessmentIds[i]
|
|
413
|
+"</value>"
|
|
414
|
+"<pathexpr>@packageId</pathexpr>"
|
|
415
|
+"</queryterm>";
|
|
416
|
}
|
|
417
|
//close the query group
|
|
418
|
query +=
|
|
419
|
"</querygroup>";
|
|
420
|
}
|
|
421
|
|
|
422
|
query += "</pathquery>";
|
|
423
|
|
|
424
|
return query;
|
|
425
|
}
|
|
426
|
|
|
427
|
function callAjax(metacatURL, myQuery, qfmt) {
|
|
428
|
|
|
429
|
//alert("calling ajax: " + metacatURL);
|
|
430
|
//alert("myQuery: " + myQuery);
|
|
431
|
|
|
432
|
//var myRequest = new Ajax.Request(
|
|
433
|
var myUpdate = new Ajax.Updater(
|
|
434
|
'ajaxResults',
|
|
435
|
metacatURL,
|
|
436
|
{ method: 'post',
|
|
437
|
parameters: { action: 'squery', qformat: qfmt, query: myQuery},
|
|
438
|
evalScripts: true,
|
|
439
|
//onSuccess: function(transport) {alert('success: ' + transport.status);},
|
|
440
|
onFailure: function(transport) {alert('failure making ajax call');}
|
|
441
|
});
|
|
442
|
|
|
443
|
//alert("done calling ajax");
|
|
444
|
}
|