// ==UserScript==

// @name	General SPARQL tester
// @author 		Troy Fleischauer
// @date	11/05/09
// @namespace	http://somewhere.com
// @include	http://projects.ischool.washington.edu/tabrooks/343INFOAutumn09/SPARQLhuskies/sparqlHuskies.htm
// @exclude	http://students.washington.edu/troyf2/INFO343/

// ==/UserScript==

(function()
{

  try {

var endpoint;
var query;
var rawQuery;

////////////////////////////////////////////////////////////////////////////////////// goes to web site, assigns address to variable
//  Uncomment one of these SPARQL endpoints

endpoint = "http://dbpedia.org/sparql";  //dbpedia



////////////////////  Query variable ///////////////////////////////////////////////////////// Sparql query, changing query

// rawQuery = "select distinct ?concept where { [] a ?concept } limit 50";
rawQuery = "SELECT ?color WHERE { <http://dbpedia.org/resource/Alaskan_Malamute> <http://dbpedia.org/property/color> ?color . } ";


////////////////////////////////////////////////////////////////////////////////////////////////////
// HTTPRequest code with MIME type 'text/html'

query = encodeURIComponent(rawQuery);
	
GM_xmlhttpRequest({
    method: 'GET',
    url: endpoint + '?query=' + query,
    headers: {
        'User-agent': 'Mozilla/4.0 (compatible) Greasemonkey',
        'Accept': 'text/html',    
    },

    onload: function(responseDetails) {
   
    ////////////////////////////////////////////////////////////////////////////////
    // Shows results in alert()
	  //alert(responseDetails.responseText);
	  
	 	var newDiv = document.createElement("div");
		newDiv.innerHTML = responseDetails.responseText;
		var td = document.evaluate('//td', newDiv, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
		//parses it away from the containers tags and captures it in variable

		var myPage = document.getElementById("colorDiv"); // from html page
		
			var tx = document.createTextNode(td.snapshotItem(0).firstChild.nodeValue); // makes a text node
			
			myPage.appendChild(tx);	// adds paragraph to html div
		

		//alert (stringCollector);
	  
    }
});

   } catch (eErr) {
      alert ("Greasemonkey error: " + eErr);
   }

   return;

}) ();