MediaWiki:Gadget-externalSearchEngines.js

/** Change Special:Search to use a radio menu *******************************************************
   *
   *  Description: Change Special:Search to use a radio menu, with the default being
   *               the internal MediaWiki engine
   *  Created and maintained by: [[:fr:User:Pmartin]]
   */
 
if ((mw.config.get('wgNamespaceNumber') == -1) && (mw.config.get('wgCanonicalSpecialPageName') == "Search")) {
	var searchEngines = {
		mediawiki: {
			ShortName: "Wikipedia",
			Template: "/w/index.php?search={searchTerms}"
		},
	  google: {
	    ShortName: "Google",
	    Template: "http://www.google.fr/search?hl=" + mw.config.get('wgUserLanguage') + "&q={searchTerms}&as_sitesearch=" + mw.config.get('wgServer').substr(7, mw.config.get('wgServer').length - 1 )
	  },
	  yahoo: {
	    ShortName: "Yahoo",
	    Template: "http://" + mw.config.get('wgUserLanguage') + ".search.yahoo.com/search?p={searchTerms}&vs=" + mw.config.get('wgServer')
	  },
          live: {
            ShortName: "Windows live",
	    Template: "http://search.live.com/results.aspx?q={searchTerms}&q1=site:" + mw.config.get('wgServer')
          },
	  wikiwix: {
	    ShortName: "Wikiwix",
            Template: "http://www.wikiwix.com/index.php?action={searchTerms}&lang="+mw.config.get('wgContentLanguage')
	  }
	};
	$(externalSearchEngines);
}


function externalSearchEngines() {
  if (typeof SpecialSearchEnhanced2Disabled != 'undefined') return;

  var mainNode = document.getElementById("powersearch");
  if (!mainNode) mainNode = document.getElementById("search");
  if (!mainNode) return;

  var beforeNode = document.getElementById("mw-search-top-table");
  if (!beforeNode) return;
  beforeNode = beforeNode.nextSibling;
  if (!beforeNode) return;
 
  var firstEngine = "mediawiki";
 
  var choices = document.createElement("div");
  choices.setAttribute("id","searchengineChoices");
  choices.style.textAlign = "center";
 
  var lsearchbox = document.getElementById("searchText");
  var initValue = lsearchbox.value;
 
  var space = "";

  for (var id in searchEngines) {
    var engine = searchEngines[id];
if(engine.ShortName)
   {
    if (space) choices.appendChild(space);
    space = document.createTextNode(" ");
 
    var attr = { 
      type: "radio", 
      name: "searchengineselect",
      value: id,
      onFocus: "changeSearchEngine(this.value)",
      id: "searchengineRadio-"+id
    };
 
    var html = "<input";
    for (var a in attr) html += " " + a + "='" + attr[a] + "'";
    html += " />";
    var span = document.createElement("span");
    span.innerHTML = html;
 
    choices.appendChild( span );
    var label;
    if (engine.Template.indexOf('http') == 0) {
      label = document.createElement("a");
      label.href = engine.Template.replace("{searchTerms}", initValue).replace("{language}", "fr");
    } else {
      label = document.createElement("label");
    }
  
    label.appendChild( document.createTextNode( engine.ShortName ) );
    choices.appendChild( label );
  }
 }
  mainNode.insertBefore(choices, beforeNode);
 
  var input = document.createElement("input");
  input.id = "searchengineextraparam";
  input.type = "hidden";
 
  mainNode.insertBefore(input, beforeNode);

  changeSearchEngine(firstEngine, initValue);
}

function changeSearchEngine(selectedId, searchTerms) {

  var currentId = document.getElementById("searchengineChoices").currentChoice;
  if (selectedId == currentId) return;
 
  document.getElementById("searchengineChoices").currentChoice = selectedId;
  var radio = document.getElementById('searchengineRadio-'  + selectedId);
  radio.checked = "checked";
 
  var engine = searchEngines[selectedId];
  var p = engine.Template.indexOf('?');
  var params = engine.Template.substr(p+1);
 
  var form;
  if (document.forms["search"]) {
    form = document.forms["search"];
  } else {
    form = document.getElementById("powersearch");
  }
  form.setAttribute("action", engine.Template.substr(0,p));
 
  var l = ("" + params).split("&");
  for (var idx = 0;idx < l.length;idx++) {
    var p = l[idx].split("=");
    var pValue = p[1];
 
    if (pValue == "{language}") {
    } else if (pValue == "{searchTerms}") {
      var input;
      input = document.getElementById("searchText");
 
      input.name = p[0];
    } else {
      var input = document.getElementById("searchengineextraparam");
 
      input.name = p[0];
      input.value = pValue;
    }
  }
}