// ==UserScript==
// @name	KoL Any Top Menu Icon
// @namespace	http://www.kingdomofloathing.com/showplayer.php?who=1995992
// @author	CheesCake (#1995992)
// @description	Adds a right-click option to the topmenu icon selector to allow you to use any KoL item image as an icon.
// @version	1
// @updateURL	http://ghux.altervista.org/UserScripts/KoL_AnyTopMenuIcon.user.js
// @downloadURL http://ghux.altervista.org/UserScripts/KoL_AnyTopMenuIcon.user.js
// @include	http://www.kingdomofloathing.com/awesomemenu.php
// @include	http://127.0.0.1:*/awesomemenu.php
// @include	http://localhost:*/awesomemenu.php
// @icon	http://images.kingdomofloathing.com/itemimages/scroll1.gif
// ==/UserScript==

function changeIcon() {
  var imgname = prompt("Input any image filename. (The last bit of the image URL: \nhttp://images.kingdomofloathing.com/\nitemimages/THIS_BIT_HERE.gif )", "seasidetown");

  if (imgname !== null) { //If the user didn't cancel

    var imgIsValid = false;
    while (!imgIsValid && imgname !== null) { //Keep asking until they input a proper image or give up
      imgname = imgname.trim();
      if (imgname.slice(0, 4) === "http") {
        imgname = prompt("Filename not valid. Don't include the whole URL, just the bit after the last /.\n ( http://images.kingdomofloathing.com/itemimages/THIS_BIT_HERE.gif )\n Note that off-site images will not work.", imgname);
      } else if (~imgname.indexOf("/")) {
        imgname = prompt("Filename not valid. Don't include the whole path, just the bit after the last /.\n ( http://images.kingdomofloathing.com/itemimages/THIS_BIT_HERE.gif )\n Note that only images in /itemimages/ can be used.", imgname);
      } else if (~imgname.search(/[^\w.]/)) {
        imgname = prompt("Non-alphanumeric character detected.\n\nIf you know the filename is correct, please message CheesCake (#1995992) to fix this script.", imgname);
      } else {
        imgIsValid = true;
      }
    }

    if (imgname !== null) { //Check again since we could have canceled in the while loop
      var period = imgname.indexOf("."); //If it has a file extension, the index of where it begins
      if (~period) { //If it has a file extension
        iconimg.src = "//images.kingdomofloathing.com/itemimages/" + imgname;
        iconinput.value = imgname.slice(0, period);
      } else { //If it doesn't have a file extension
        iconimg.src = "//images.kingdomofloathing.com/itemimages/" + imgname + ".gif";
        iconinput.value = imgname;
      }
    }
  }
}

var iconimg = document.getElementsByClassName("icon")[0].children[2];
var iconinput = document.getElementsByClassName("icon")[0].children[5];
iconimg.addEventListener("click", changeIcon, false);