Google Language Code Changer JaEn

by ultraist 2012-03-11 [2012/03/11 18:18:50]

Add a select-box for the hl parameter on google result pages.

@@ -1,4 +1,5 @@
 // ==UserScript==
+// @title          Google Language Code Changer JaEn
 // @name           Google Language Code Changer JaEn
 // @namespace      http://brainroom.ae35.de
 // @description    Add a select-box for the hl parameter on google result pages.

• // ==UserScript==
  // @title          Google Language Code Changer JaEn
  // @name           Google Language Code Changer JaEn
  // @namespace      http://brainroom.ae35.de
  // @description    Add a select-box for the hl parameter on google result pages.
  // @version        1.8
  // @copyright      2010+, kleingeist (http://github.com/kleingeist/userscripts), id:ultraist(specialize for ja/en)
  // @licence        GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html
  // @include        http://www.google.*/search?*
  // @include        http://www.google*/#*q=*
  // @include        http://www.google.*/
  // @include        http://www.google.*/webhp*
  // @include        http://www.google.*/images?*
  // @include        http://www.google.*/imghp*
  // @exclude        http://www.google.*/s?*
  // ==/UserScript==
  
  // Initial list
  var list = [];
  
  // Check if Greasemonkey specific functions are available (for Cross-Browser support)
  var GM_functions = !((typeof GM_getValue == 'undefined') || (GM_getValue('a', 'b') == undefined));
  if (GM_functions) {
  	list = GM_getValue("selectedLangs", "").split(" ");
  }
  
  
  // If we are on a NOT on a start page and the ajax isn't enabled, we can insert the selector instantly...
  if (!(window.location.hash.match(/q\=/) || window.location.pathname == '/' || window.location.pathname == '/webhp' || window.location.pathname == '/imghp')) {
  	insertSelector(list);
  }
  
  //... but to be on the safe site we always add the listener
  document.addEventListener('DOMAttrModified', DOMAttrModifiedListener, true);
  
  function DOMAttrModifiedListener(e) {
  	// thanks to http://www.amirharel.com/2009/07/19/manipulating-google-results-ajax-version/ for the #foot hint
  	if (e.target.id == 'foot' && !document.getElementById('glccHl')) {
  		insertSelector(list);
  	}
  }
  
  	
  if (GM_functions) {
  	GM_registerMenuCommand('Select Language Codes', function() { 
  		GM_setValue('selectedLangs'
  			, window.prompt('Languages shown in the selection (ex. de for german see http://sites.google.com/site/tomihasa/google-language-codes for full list)'
  				  , GM_getValue('selectedLangs', "")
  			)
  		);
  	}, '', 's');
  }
  
  function insertSelector(list) {	
  
  	// Thanks to http://sites.google.com/site/tomihasa/google-language-codes for the list
  	var codes = 
  	["ja", "en"];
  	
  	var names =
  	["Japanese", "English"]
  
  	if (!list || !list.length || list.length == 0 || (list.length == 1 && list[0] == "")) {
  		list = codes;
  	}
  
  	var hl = document.getElementsByName('hl');
  	var current = list[0]; // default
  	if (hl.length > 0) {
  		current = hl[0].value;
  	}
  	
  	function generateOption(k) {
  		var index = codes.indexOf(k);
  		return '<option value="' + k + '"' + ((k == current)? ' selected="selected"' : '') + '>' + ((index == -1) ? k : names[index]) + '</option>';
  	};
  	
  	var container = document.createElement('span');
  	container.style.lineHeight = "30px";
  	
  	var sel = document.createElement('select');
  	sel.setAttribute('id','glccHl');
  	sel.style.margin = "0 2px";
  	sel.innerHTML = list.map(generateOption).join("\n");
  	container.appendChild(sel);
  	
  	var button = document.getElementsByName('btnG')[0];
  	button.parentNode.style.whiteSpace = "nowrap";
  	button.parentNode.appendChild(container);
  	
  	sel.addEventListener("change", function (event) {
  		document.getElementsByName('hl')[0].value = this.options[this.selectedIndex].value;
  		document.getElementsByName('btnG')[0].click();
  	}, true);
  }
  

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