portal/static/js/omn.js

   1 var yasr = YASR(document.getElementById("yasr"), {
   2         //this way, the URLs in the results are prettified using the defined prefixes in the query
   3         getUsedPrefixes: yasqe.getPrefixesFromQuery
   4 });
   5
   6 YASQE.defaults.sparql.showQueryButton = true;
   7 YASQE.defaults.sparql.endpoint = "http://lod.fed4fire.eu/sparql";
   8 YASQE.defaults.sparql.callbacks.success =  function(data){console.log("success", data);};
   9 YASQE.defaults.sparql.callbacks.complete = yasr.setResponse;
  10 YASQE.defaults.value = "SELECT ?name ?am ?endpoint WHERE {\n  ?infra <http://open-multinet.info/ontology/omn#hasService> ?am ;\n         rdfs:label ?name . \n  ?am rdf:type <http://open-multinet.info/ontology/omn-domain-geni-fire#AMService> ;\n      <http://open-multinet.info/ontology/omn#hasEndpoint> ?endpoint .\n} LIMIT 100"
  11
  12 /**
  13  * We use most of the default settings for the property and class autocompletion types. This includes:
  14  * -  the pre/post processing of tokens
  15  * -  detecting whether we are in a valid autocompletion position
  16  * -  caching of the suggestion list. These are cached for a period of a month on the client side.
  17  */
  18
  19 var getAutocompletionsArrayFromCsv = function(csvString) {
  20         var completionsArray = [];
  21         csvString.split("\n").splice(1).forEach(function(url) {//remove first line, as this one contains the projection variable
  22                 completionsArray.push(url.substring(1, url.length-1));//remove quotes
  23         });
  24         return completionsArray;
  25 }
  26
  27
  28
  29 var customPropertyCompleter = function(yasqe) {
  30         //we use several functions from the regular property autocompleter (this way, we don't have to re-define code such as determining whether we are in a valid autocompletion position)
  31         var returnObj = {
  32                 isValidCompletionPosition: function(){return YASQE.Autocompleters.properties.isValidCompletionPosition(yasqe)},
  33                 preProcessToken: function(token) {return YASQE.Autocompleters.properties.preProcessToken(yasqe, token)},
  34                 postProcessToken: function(token, suggestedString) {return YASQE.Autocompleters.properties.postProcessToken(yasqe, token, suggestedString)}
  35         };
  36
  37         //In this case we assume the properties will fit in memory. So, turn on bulk loading, which will make autocompleting a lot faster
  38         returnObj.bulk = true;
  39         returnObj.async = true;
  40
  41         //and, as everything is in memory, enable autoShowing the completions
  42         returnObj.autoShow = true;
  43
  44         returnObj.persistent = "customProperties";//this will store the sparql results in the client-cache for a month.
  45         returnObj.get = function(token, callback) {
  46                 //all we need from these parameters is the last one: the callback to pass the array of completions to
  47                 var sparqlQuery = "PREFIX void: <http://rdfs.org/ns/void#>\n" +
  48                 "PREFIX ds: <http://bio2rdf.org/bio2rdf.dataset_vocabulary:>\n" +
  49                 "SELECT DISTINCT *\n" +
  50                 " { [] void:subset [\n" +
  51                 "   void:linkPredicate ?property;\n" +
  52                 "  ]\n" +
  53                 "} ORDER BY ?property";
  54                 $.ajax({
  55                         data: {query: sparqlQuery},
  56                         url: YASQE.defaults.sparql.endpoint,
  57                         headers: {Accept: "text/csv"},//ask for csv. Simple, and uses less bandwidth
  58                         success: function(data) {
  59                                 callback(getAutocompletionsArrayFromCsv(data));
  60                         }
  61                 });
  62         };
  63         return returnObj;
  64 };
  65 //now register our new autocompleter
  66 YASQE.registerAutocompleter('customPropertyCompleter', customPropertyCompleter);
  67
  68
  69 //excellent, now do the same for the classes
  70 var customClassCompleter = function(yasqe) {
  71         var returnObj = {
  72                 isValidCompletionPosition: function(){return YASQE.Autocompleters.classes.isValidCompletionPosition(yasqe)},
  73                 preProcessToken: function(token) {return YASQE.Autocompleters.classes.preProcessToken(yasqe, token)},
  74                 postProcessToken: function(token, suggestedString) {return YASQE.Autocompleters.classes.postProcessToken(yasqe, token, suggestedString)}
  75         };
  76         returnObj.bulk = true;
  77         returnObj.async = true;
  78         returnObj.autoShow = true;
  79         returnObj.get = function(token, callback) {
  80                 var sparqlQuery = "PREFIX void: <http://rdfs.org/ns/void#>\n" +
  81                 "PREFIX ds: <http://bio2rdf.org/bio2rdf.dataset_vocabulary:>\n" +
  82                 "SELECT *\n" +
  83                 "{ [] void:subset [\n" +
  84                 "       a ds:Dataset-Type-Count;\n" +
  85                 "       void:class ?type\n"+
  86                 "   ]\n" +
  87                 "} ORDER BY ?type";
  88                 $.ajax({
  89                         data: {query: sparqlQuery},
  90                         url: YASQE.defaults.sparql.endpoint,
  91                         headers: {Accept: "text/csv"},//ask for csv. Simple, and uses less bandwidth
  92                         success: function(data) {
  93                                 callback(getAutocompletionsArrayFromCsv(data));
  94                         }
  95                 });
  96         };
  97         return returnObj;
  98 };
  99 YASQE.registerAutocompleter('customClassCompleter', customClassCompleter);
 100
 101 //And, to make sure we don't use the other property and class autocompleters, overwrite the default enabled completers
 102 YASQE.defaults.autocompleters = ['customClassCompleter', 'customPropertyCompleter'];
 103
 104
 105 //finally, initialize YASQE
 106 var yasqe = YASQE(document.getElementById("yasqe"));