hot keys

jquery.hotkeys

Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @require https://update.greasyfork.org/scripts/5178/18278/hot%20keys.js 

// ==UserScript==
// @name        hot keys
// @namespace   vampire
// @description jquery.hotkeys
// @version     1
// ==/UserScript==
/*jslint browser: true*/
/*jslint jquery: true*/
/*
 * jQuery Hotkeys Plugin
 * Copyright 2010, John Resig
 * Dual licensed under the MIT or GPL Version 2 licenses.
 *
 * Based upon the plugin by Tzury Bar Yochay:
 * http://github.com/tzuryby/hotkeys
 *
 * Original idea by:
 * Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/
 */

/*
 * One small change is: now keys are passed by object { keys: '...' }
 * Might be useful, when you want to pass some other data to your handler
 */

(function(jQuery) {

  jQuery.hotkeys = {
    version: "0.8",

    specialKeys: {
      8: "backspace",
      9: "tab",
      10: "return",
      13: "return",
      16: "shift",
      17: "ctrl",
      18: "alt",
      19: "pause",
      20: "capslock",
      27: "esc",
      32: "space",
      33: "pageup",
      34: "pagedown",
      35: "end",
      36: "home",
      37: "left",
      38: "up",
      39: "right",
      40: "down",
      45: "insert",
      46: "del",
      59: ";",
      61: "=",
      96: "0",
      97: "1",
      98: "2",
      99: "3",
      100: "4",
      101: "5",
      102: "6",
      103: "7",
      104: "8",
      105: "9",
      106: "*",
      107: "+",
      109: "-",
      110: ".",
      111: "/",
      112: "f1",
      113: "f2",
      114: "f3",
      115: "f4",
      116: "f5",
      117: "f6",
      118: "f7",
      119: "f8",
      120: "f9",
      121: "f10",
      122: "f11",
      123: "f12",
      144: "numlock",
      145: "scroll",
      173: "-",
      186: ";",
      187: "=",
      188: ",",
      189: "-",
      190: ".",
      191: "/",
      192: "`",
      219: "[",
      220: "\\",
      221: "]",
      222: "'"
    },

    shiftNums: {
      "`": "~",
      "1": "!",
      "2": "@",
      "3": "#",
      "4": "$",
      "5": "%",
      "6": "^",
      "7": "&",
      "8": "*",
      "9": "(",
      "0": ")",
      "-": "_",
      "=": "+",
      ";": ": ",
      "'": "\"",
      ",": "<",
      ".": ">",
      "/": "?",
      "\\": "|"
    },

    // excludes: button, checkbox, file, hidden, image, password, radio, reset, search, submit, url
    textAcceptingInputTypes: [
      "text", "password", "number", "email", "url", "range", "date", "month", "week", "time", "datetime",
      "datetime-local", "search", "color", "tel"],

    options: {
      filterTextInputs: true
    }
  };

  function keyHandler(handleObj) {
    if (typeof handleObj.data === "string") {
      handleObj.data = {
        keys: handleObj.data
      };
    }

    // Only care when a possible input has been specified
    if (!handleObj.data || !handleObj.data.keys || typeof handleObj.data.keys !== "string") {
      return;
    }

    var origHandler = handleObj.handler,
      keys = handleObj.data.keys.toLowerCase().split(" ");

    handleObj.handler = function(event) {
      //      Don't fire in text-accepting inputs that we didn't directly bind to
      if (this !== event.target && (/textarea|select/i.test(event.target.nodeName) ||
        (jQuery.hotkeys.options.filterTextInputs &&
          jQuery.inArray(event.target.type, jQuery.hotkeys.textAcceptingInputTypes) > -1))) {
        return;
      }

      var special = event.type !== "keypress" && jQuery.hotkeys.specialKeys[event.which],
        character = String.fromCharCode(event.which).toLowerCase(),
        modif = "",
        possible = {};

      jQuery.each(["alt", "ctrl", "shift"], function(index, specialKey) {

        if (event[specialKey + 'Key'] && special !== specialKey) {
          modif += specialKey + '+';
        }
      });

      // metaKey is triggered off ctrlKey erronously
      if (event.metaKey && !event.ctrlKey && special !== "meta") {
        modif += "meta+";
      }

      if (event.metaKey && special !== "meta" && modif.indexOf("alt+ctrl+shift+") > -1) {
        modif = modif.replace("alt+ctrl+shift+", "hyper+");
      }

      if (special) {
        possible[modif + special] = true;
      }
      else {
        possible[modif + character] = true;
        possible[modif + jQuery.hotkeys.shiftNums[character]] = true;

        // "$" can be triggered as "Shift+4" or "Shift+$" or just "$"
        if (modif === "shift+") {
          possible[jQuery.hotkeys.shiftNums[character]] = true;
        }
      }

      for (var i = 0, l = keys.length; i < l; i++) {
        if (possible[keys[i]]) {
          return origHandler.apply(this, arguments);
        }
      }
    };
  }

  jQuery.each(["keydown", "keyup", "keypress"], function() {
    jQuery.event.special[this] = {
      add: keyHandler
    };
  });

})(jQuery || this.jQuery || window.jQuery);