235 lines
8.8 KiB
JavaScript
235 lines
8.8 KiB
JavaScript
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function query(dp) {
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var encodeVal = escape(dp);
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//alert(encodeVal);
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var format = document.getElementById("element_5").value;
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if(format == "1")
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format = "html";
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else if(format == "2")
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format = "txt";
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else if(format == "3")
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format = "csv";
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else if(format == "4")
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format = "json";
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var argu = "?operation=query&format=" + format + "&sparql=" + dp;
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var encodeArgu = escape(argu);
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if(format != "html")
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{
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/*
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$.get(encodeArgu, function(data, status){
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if(status == "success")
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{
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alert("success");
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}
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});
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*/
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var element = document.getElementById("hideLink");
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element.setAttribute("href", encodeArgu);
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/*
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if(format == "txt")
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element.setAttribute("download", "sparql.txt");
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else if(format == "csv")
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element.setAttribute("download", "sparql.csv");
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else if(format == "json")
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element.setAttribute("download", "sparql.json");
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*/
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if(/msie/i.test(navigator.userAgent))
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{
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element.fireEvent("onclick");
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}
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else
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{
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var e = document.createEvent("MouseEvents");
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e.initEvent("click", true, true);
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element.dispatchEvent(e);
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}
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}
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else
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{
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$.get(encodeArgu, function(data, status){
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if(status=="success"){
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//toTxt();
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//alert(data);
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var parts = data.split("+");
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var fileName = parts[2];
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var lines = Number(parts[1]);
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//alert(lines);
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if(lines > 100)
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lines = 100;
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//alert(lines);
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var items = parts[3].split("\n");
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//alert(items[0]);
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var valNum = items[0].split("?");
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var rows = valNum.length - 1;
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//alert(rows);
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var page = '<html><div align="left"><a href="javascript:void(0);" id="back" style="font-size:16px;color:blue">Click to Return</a>';
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page = page + '<a id="download" style="font-size:16px;margin-left:20px">Click to Download</a>';
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page = page + '<a href="/" id="trick" style="display: none">Click to back</a>';
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page = page + '<p>Total answers: ';
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page = page + parts[1];
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page = page + '</p>';
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if(parts[0] == "1")
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{
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page = page + '<p>Number of answers is too large, show only 100 of them, click to download the full result!</p>';
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}
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page = page + '</div><table border="1" style = "font-size:medium">';
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page = page + "<tr>";
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for(var ii = 1; ii <= rows; ii++)
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{
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page = page + "<th>" + "?" + valNum[ii] + "</th>";
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}
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page = page + "</tr>";
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var i = 1;
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var j = 0;
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for (i = 1; i <= lines; i++)
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{
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page = page + "<tr>";
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//alert(items[i]);
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var tmpItem = items[i].replace(/"([^"]*)"/g, "<$1>");
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//alert(tmpItem);
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var item = tmpItem.split(">");
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//alert(item.length);
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for(j = 0; j < rows; j++)
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{
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//alert(item[j]);
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page = page + '<td>' + item[j].replace("<", "") + '</td>';
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}
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page = page + "</tr>";
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}
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page = page + '</table></div></html>';
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$("#main_body").empty();
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$("#main_body").append(page);
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var tmp1 = "?operation=download&filepath=" + fileName;
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var request1 = escape(tmp1);
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var element1 = document.getElementById("download");
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element1.setAttribute("href", request1);
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element1.setAttribute("download", "sparql.txt");
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var tmp2 = "?operation=delete&filepath=" + fileName;
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var request2 = escape(tmp2);
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var element2 = document.getElementById("back");
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//!Notice: element2 is a "<a>" tag, and it has two actions, href and onclick, be careful with the executing order of these two actions.
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//in this case, we use a call-back function to prevent strange things. we return to the origin web page after the request to delete file returns successfully.
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element2.onclick = function(){
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$.get(request2, function(data, status){
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//alert("delete return");
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var element3 = document.getElementById("trick");
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if(/msie/i.test(navigator.userAgent))
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{
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element3.fireEvent("onclick");
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}
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else
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{
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var e1 = document.createEvent("MouseEvents");
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e1.initEvent("click", true, true);
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element3.dispatchEvent(e1);
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}
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});
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}
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}
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});
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}
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}
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function handleQueryExample()
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{
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var example = document.getElementById("example").value;
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if (example === "q1")
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{
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document.getElementById("element_3").value = "SELECT DISTINCT ?p \n" +
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"WHERE \n" +
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"{ \n" +
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"\t?s ?p ?o . \n" +
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"} \n";
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}
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if (example === "q2")
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{
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document.getElementById("element_3").value = "SELECT ?x WHERE \n" +
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"{ \n" +
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"\t?x <ub:name> <FullProfessor0> .\n" +
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"} \n";
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}
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if (example === "q3")
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{
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document.getElementById("element_3").value = "SELECT ?x WHERE \n" +
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"{ \n" +
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"\t?x <rdf:type> <ub:Course> .\n" +
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"\t?x <ub:name> ?y .\n" +
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"} \n";
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}
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//if (example === "q4")
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//{
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//document.getElementById("element_3").value = "SELECT DISTINCT ?v0 WHERE \n" +
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//"{ \n" +
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//"\t?v0 <http://purl.org/dc/terms/subject> <http://dbpedia.org/resource/Category:956_births> .\n" +
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//"\t{?v0 <http://dbpedia.org/property/wikiPageUsesTemplate> ?v1 .}\n" + "UNION\n" +
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//"\t{?v0 <http://dbpedia.org/prpperty/hasPhotoCollection> ?v2 .}\n" +
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//"} \n";
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//}
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//if (example === "q5")
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//{
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//document.getElementById("element_3").value = "SELECT ?v0 ?v2 ?v3 WHERE \n" +
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//"{ \n" +
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//"\t?v0 <http://dbpedia.org/ontology/wikiPageWikiLink> <http://dbpedia.org/resource/Autism> .\n" +
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//"\t?v2 <http://dbpedia.org/property/candidate> ?v0 .\n" +
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//"\t?v3 <http://dbpedia.org/property/constituencyWestminster> ?v2 .\n" +
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//"} \n";
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//}
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//if (example === "q6")
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//{
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//document.getElementById("element_3").value = "SELECT ?V1 ?V2 WHERE \n" +
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//"{ \n" +
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//"\t?v1 <http://www.w3.org/2002/07/owl#sameAs> <http://it.dbpedia.org/resource/Category:Filosofi_del_IV_secolo_a.C.> .\n" +
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//"\t?v2 <dbpedia.org/ontology/wikiPageWikiLink> ?v1 .\n" +
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//"\t<http://dbpedia.org/resource/Chinese_classics> <http://dbpedia.org/ontology/wikiPageWikiLink> ?v2 .\n" +
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//"} \n";
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//}
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//if (example === "q7")
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//{
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//document.getElementById("element_3").value = "SELECT ?v0 ?v1 WHERE \n" +
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//"{ \n" +
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//"\t<http://dbpedia.org/resource/Albedo> <http://dbpedia.org/ontology/wikiPageWikiLink> ?v0 .\n" +
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//"\t?v1 <http://dbpedia.org/ontology/wikiPageWikiLink> ?v0 .\n" +
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//"}\n";
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//}
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//if (example === "q8")
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//{
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//document.getElementById("element_3").value = "SELECT ?v0 ?v1 ?v2 ?v3 ?v4 ?v5 ?v6 WHERE \n" +
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//"{\n" +
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//"\t?v0 <http://www.w3.org/2004/02/skos/core#broader> ?v1 .\n" +
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//"\t?v0 <http://dbpedia.org/ontology/child> ?v2 .\n" +
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//"\t?v0 <http://dbpedia.org/ontology/spouse> ?v3 .\n" +
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//"\t?v0 <http://dbpedia.org/ontology/profession> ?v4 .\n" +
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//"\t?v0 <http://dbpedia.org/ontology/party> ?v5 .\n" +
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//"\t?v0 <http://dbpedia.prg/ontology/militaryRank> ?v6 .\n" +
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//"}\n";
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//}
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//if (example === "q9")
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//{
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//document.getElementById("element_3").value = "SELECT ?v0 ?v1 ?v2 ?v3 WHERE\n" +
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//"{\n" +
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//"\t?V0 <http://dbpedia.org/ontology/location> ?v1 .\n" +
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//"\t?v0 <http://dbpedia.org/ontology/typeOfElectrification> ?v2 .\n" +
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//"\t?v0 <http://dbpedia.org/ontology/wikiPageWikiLink> <http://dbpedia.org/resource/Koltsevaya_Line> .\n" +
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//"\t?v0 <http://dbpedia.org/property/wikiPageUsesTemplate> ?v3 .\n" +
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//"}\n";
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//}
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//if (example === "q10")
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//{
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//document.getElementById("element_3").value = "SELECT ?v0 ?v1 ?v2 ?v3 WHERE\n" +
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//"{\n" +
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//"\t?v0 <http://dbpedia.org/property/hasPhotoCollection> ?v1 .\n" +
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//"\t?v0 <xmlns.com/foaf/0.1/depiction> ?v2 .\n" +
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//"\t?v0 <http://dbpedia.org/ontology/abstract> ?v3 .\n" +
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//"\t?v0 <http://dbpedia.org/ontology/wikiPageWikiLink> <http://dbpedia.org/resource/Combination> .\n" +
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//"}\n";
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//}
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}
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