407 lines
No EOL
14 KiB
JavaScript
407 lines
No EOL
14 KiB
JavaScript
/* $This file is distributed under the terms of the license in /doc/license.txt$ */
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var namespaces = {
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// now handled in GetAllPrefix.java
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// rdf : "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
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// rdfs : "http://www.w3.org/2000/01/rdf-schema#",
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// xsd : "http://www.w3.org/2001/XMLSchema#",
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// owl : "http://www.w3.org/2002/07/owl#",
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// swrl : "http://www.w3.org/2003/11/swrl#",
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// swrlb : "http://www.w3.org/2003/11/swrlb#",
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// vitro : "http://vitro.mannlib.cornell.edu/ns/vitro/0.7#"
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};
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var level = 0;
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function init(){
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var url = "getAllClasses";
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var preurl = "getAllPrefix";
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var base = document.getElementById("subject(0,0)");
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base.level = 0;
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base.count = 0;
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var myAjax = new Ajax.Request( url, {method: "get", parameters: "", onComplete: function(originalRequest){
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var response = originalRequest.responseXML;
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var options = response.getElementsByTagName("option");
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// if (options == null || options.length == 0){
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// alert("Error: Cannot get all the classes.");
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// return;
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// }
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for(i=0; i<options.length; i++){
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base[base.length] = new Option(options[i].childNodes[0].firstChild.data, options[i].childNodes[1].firstChild.data);
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}
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var subdiv = document.getElementById("subject(0)");
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subdiv.appendChild(document.createElement("br"));
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var addprop = document.createElement("input");
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addprop.type = "button";
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addprop.value = "Add Property";
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addprop.level = 0;
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addprop.onclick = function() {
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return getProperty(this);
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}
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subdiv.appendChild(addprop);
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level ++;
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}
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}
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);
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var myPrefixAjax = new Ajax.Request( preurl, {method: "get", parameters: "", onComplete: function(originalRequest){
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var response = originalRequest.responseXML;
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var options = response.getElementsByTagName("option");
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if (options == null || options.length == 0) {
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alert("Error: Cannot get all the prefixes.");
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return;
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}
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for(i=0; i<options.length; i++)
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namespaces[options[i].childNodes[0].firstChild.data] = options[i].childNodes[1].firstChild.data;
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}
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}
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);
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}
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function getProperty(addprop){
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var url = "getClazzAllProperties";
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var base = document.getElementById("subject(" + addprop.level + ",0)");
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var subject = base.value;
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if (subject == ""){
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alert("Please select a class.");
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}
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else{
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var params = "vClassURI=" + subject.replace('#', '%23');
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var myAjax = new Ajax.Request( url, {method: "get", parameters: params, onComplete: function(originalRequest){
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var response = originalRequest.responseXML;
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var property = document.createElement("select");
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property.id = "predicate(" + base.level + "," + base.count + ")";
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property[property.length] = new Option("Properties", "");
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var options = response.getElementsByTagName('option');
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if (options == null || options.length == 0){
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alert("Error: Cannot get data properties for " + subject + ".");
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return;
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}
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for(i=0; i<options.length; i++){
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property[property.length] = new Option(options[i].childNodes[0].firstChild.data, options[i].childNodes[1].firstChild.data + options[i].childNodes[2].firstChild.data);
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}
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property.level = base.level;
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property.count = base.count;
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property.onchange = function() {
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return getObject(this);
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}
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var prediv = document.getElementById("predicate(" + base.level + ")");
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if (prediv.innerHTML.trim() != "") {
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var lastNode = prediv.lastChild.previousSibling;
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if (lastNode.selectedIndex == 0){
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alert("You have a undefined property, please make sure it has been initialized.");
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return;
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}
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}
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prediv.appendChild(property);
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base.count += 1
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prediv.appendChild(document.createElement("br"));
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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 getObject(property){
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var url = "getObjectClasses";
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var base = document.getElementById("subject(" + property.level + ",0)")
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var subject = base.value;
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//Disable the selection
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property.disabled = true;
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//DEL PROPERTY
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var delprop = document.createElement("input");
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delprop.type = "button";
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delprop.value = "Delete";
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delprop.count = base.count - 1;
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delprop.level = base.level;
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delprop.onclick = function() {
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return delProperty(this);
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}
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var prediv = document.getElementById("predicate(" + base.level + ")");
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prediv.insertBefore(delprop, property.nextSibling);
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var predicate = property.value;
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var type = predicate.charAt(predicate.length-1);
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predicate = predicate.substring(0, predicate.length-1);
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if (type == '0') {
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var objdiv = document.getElementById("object(" + base.level + ")");
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var dataprop = document.createElement("input");
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dataprop.type = "text";
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dataprop.size = 50;
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dataprop.count = base.count - 1;
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dataprop.level = base.level;
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dataprop.id = "object(" + base.level + "," + (base.count - 1) + ")";
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objdiv.appendChild(dataprop);
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objdiv.appendChild(document.createElement("br"));
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}
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else{
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var params = "predicate=" + predicate.replace('#', '%23');
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var myAjax = new Ajax.Request( url, {method: "get", parameters: params, onComplete: function(originalRequest){
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var response = originalRequest.responseXML;
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var objdiv = document.getElementById("object(" + base.level + ")");
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var options = response.getElementsByTagName('option');
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if (options == null || options.length == 0){
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alert("Error: Cannot get range classes for " + predicate + ".");
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return;
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}
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var obj = document.getElementById("object(" + base.level + "," + base.count + ")");
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if (obj == null){
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if (options.length > 0){
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obj = document.createElement("select");
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obj[obj.length] = new Option("Classes", "");
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for(i=0; i<options.length; i ++){
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obj[obj.length] = new Option(options[i].childNodes[0].firstChild.data, options[i].childNodes[1].firstChild.data);
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}
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obj.onchange = function(){
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return addClass(this);
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}
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}
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else{
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obj = document.createElement("input");
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obj.type = "text";
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}
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obj.id = "object(" + base.level + "," + (base.count - 1) + ")";
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obj.level = base.level;
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obj.count = base.count - 1;
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objdiv.appendChild(obj);
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objdiv.appendChild(document.createElement("br"));
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}
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else{
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var objpar = obj.parentNode;
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if (options.length > 0){
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var newobj = document.createElement("select");
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newobj[newobj.length] = new Option("Classes", "");
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for(i=0; i<options.length; i ++){
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newobj[newobj.length] = new Option(options[i].firstChild.data, options[i].firstChild.data);
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}
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newobj.onchange = function(){
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return addClass(this);
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}
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}
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else{
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newobj = document.createElement("input");
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newobj.type = "text";
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}
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newobj.id = "object(" + base.level + "," + base.count + ")";
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newobj.level = base.level;
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newobj.count = base.count;
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objpar.replaceChild(newobj, obj);
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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 addClass(obj){
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addClazz();
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//disable the selection
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obj.disabled = true;
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var subject = document.createElement("select");
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subject[subject.length] = new Option(obj.options[obj.selectedIndex].text, obj.value);
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subject.disabled = true;
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subject.level = level;
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level ++;
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subject.count = 0;
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subject.id = "subject(" + subject.level + "," + subject.count + ")";
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var subdiv = document.getElementById("subject(" + subject.level +")");
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subdiv.appendChild(subject);
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var delclazz = document.createElement("input");
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delclazz.type = "button";
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delclazz.value = "Delete";
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delclazz.count = subject.count;
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delclazz.level = subject.level;
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delclazz.onclick = function() {
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return delClazz(this.level);
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}
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subdiv.appendChild(delclazz);
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subdiv.appendChild(document.createElement("br"));
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var addprop = document.createElement("input");
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addprop.type = "button";
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addprop.value = "Add Property";
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addprop.level = subject.level;
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addprop.onclick = function() {
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return getProperty(this);
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}
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subdiv.appendChild(addprop);
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}
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function addClazz(){
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var builder = document.getElementById("builder");
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var clazz = document.createElement("tr");
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clazz.id = "clazz(" + level + ")";
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var subject = document.createElement("td");
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subject.id = "subject(" + level + ")";
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var predicate = document.createElement("td");
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predicate.id = "predicate(" + level + ")";
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var object = document.createElement("td");
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object.id = "object(" + level + ")";
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clazz.appendChild(subject);
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clazz.appendChild(predicate);
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clazz.appendChild(object);
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builder.appendChild(clazz);
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}
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function delClazz(level){
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var clazz = document.getElementById("clazz(" + level +")");
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var builder = document.getElementById("builder");
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builder.removeChild(clazz);
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}
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function delProperty(delprop){
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var sub = document.getElementById("predicate(" + delprop.level + "," + delprop.count + ")");
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var obj = document.getElementById("object(" + delprop.level + "," + delprop.count + ")");
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var subdiv = document.getElementById("predicate(" + delprop.level +")");
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var objdiv = document.getElementById("object(" + delprop.level +")");
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subdiv.removeChild(sub.nextSibling.nextSibling);
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subdiv.removeChild(sub.nextSibling);
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subdiv.removeChild(sub);
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objdiv.removeChild(obj.nextSibling);
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objdiv.removeChild(obj);
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}
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function genQuery(){
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var items = new Array();
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var criterias = new Array();
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var clazz = new Array();
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var number = 0;
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var _sub;
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var _obj;
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// namespaces shown in the SPARQL query box
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var namespace = getNamespace();
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//var gid = 0;
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for (i=0; i < level; i++){
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var subjects = document.getElementById("subject(" + i + ")");
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if (subjects == null){
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continue;
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}
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var subNodes = subjects.getElementsByTagName("select");
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var sub = subNodes[0].value;
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sub = getNameWithPrefix(sub);
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if (!clazz[sub.substring(sub.indexOf(":") + 1)]){
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clazz[sub.substring(sub.indexOf(":") + 1)] = 1;
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_sub = sub.substring(sub.indexOf(":") + 1) + 1;
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}
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else{
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_sub = sub.substring(sub.indexOf(":") + 1) + clazz[sub.substring(sub.indexOf(":") + 1)];
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}
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var subname = "?" + _sub;
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//gid++;
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//criterias[criterias.length] = "GRAPH ?g" + gid + " { " + subname + " rdf:type " + sub + " . }";
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criterias[criterias.length] = subname + " rdf:type " + sub + " .";
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var predicates = document.getElementById("predicate(" + i + ")");
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var preNodes = predicates.getElementsByTagName("select");
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var num = preNodes.length;
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for (j=0; j<num; j++){
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//gid++;
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var pre = preNodes[j];
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obj = document.getElementById("object(" + pre.level + "," + pre.count + ")");
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if (obj == null){
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alert("You have a undefined property, please make sure it has been initialized.");
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return;
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}
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pre = pre.value;
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pre = pre.substring(0, pre.length-1);
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pre = getNameWithPrefix(pre);
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if (obj.tagName == "INPUT"){
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var objname = subname + "_" + pre.substring(pre.indexOf(":") + 1);
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//criterias[criterias.length] = "GRAPH ?g" + gid + " { " + subname + " " + pre + " " + objname + " . }";
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criterias[criterias.length] = subname + " " + pre + " " + objname + " .";
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items[items.length] = objname;
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if (obj.value != ""){
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criterias[criterias.length] = "FILTER REGEX (str(" + objname + "), '" + obj.value + "', 'i')";
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}
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}
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else{
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obj = obj.value;
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obj = getNameWithPrefix(obj);
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if (!clazz[obj.substring(obj.indexOf(":") + 1)]){
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clazz[obj.substring(obj.indexOf(":") + 1)] = 1;
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_obj = obj.substring(obj.indexOf(":") + 1) + 1;
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}
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else{
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number = clazz[obj.substring(obj.indexOf(":") + 1)] + 1;
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clazz[obj.substring(obj.indexOf(":") + 1)] = number
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_obj = obj.substring(obj.indexOf(":") + 1) + number;
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}
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var objname = "?" + _obj;
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//criterias[criterias.length] = "GRAPH ?g" + gid + " { " + subname + " " + pre + " " + objname + " . }";
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criterias[criterias.length] = subname + " " + pre + " " + objname + " .";
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}
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}
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}
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if (items.length == 0) {
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var item = "*"
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}
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else{
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var item = "distinct " + items.join(" ");
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}
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var criteria = criterias.join("\n");
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var query = namespace+ "SELECT " + item + "\nWHERE{\n" + criteria + "\n}\n";
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var quediv = document.getElementById("sparqlquery");
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var quetextarea = document.getElementById("query");
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quediv.style.visibility = "visible";
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quetextarea.value = query;
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}
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function getNamespace(){
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var namespace = "";
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for (key in namespaces){
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namespace += "PREFIX " + key + ": <" + namespaces[key] + ">\n";
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}
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namespace += "\n";
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return namespace;
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}
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function getNameWithPrefix(name){
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for (key in namespaces){
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var index = name.indexOf(namespaces[key]);
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if (index == 0){
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return key + ":" + name.slice(namespaces[key].length);
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}
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}
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return name;
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} |