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root / drupal7 / sites / all / modules / sweaver / plugins / sweaver_plugin_kb / jquery.hotkeys.js @ 13755f8d

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/*
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 * jQuery Hotkeys Plugin
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 * Copyright 2010, John Resig
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 * Dual licensed under the MIT or GPL Version 2 licenses.
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 *
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 * Based upon the plugin by Tzury Bar Yochay:
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 * http://github.com/tzuryby/hotkeys
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 *
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 * Original idea by:
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 * Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/
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*/
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(function(jQuery){
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  jQuery.hotkeys = {
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    version: "0.8",
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    specialKeys: {
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      8: "backspace", 9: "tab", 13: "return", 16: "shift", 17: "ctrl", 18: "alt", 19: "pause",
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      20: "capslock", 27: "esc", 32: "space", 33: "pageup", 34: "pagedown", 35: "end", 36: "home",
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      37: "left", 38: "up", 39: "right", 40: "down", 45: "insert", 46: "del",
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      96: "0", 97: "1", 98: "2", 99: "3", 100: "4", 101: "5", 102: "6", 103: "7",
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      104: "8", 105: "9", 106: "*", 107: "+", 109: "-", 110: ".", 111 : "/",
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      112: "f1", 113: "f2", 114: "f3", 115: "f4", 116: "f5", 117: "f6", 118: "f7", 119: "f8",
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      120: "f9", 121: "f10", 122: "f11", 123: "f12", 144: "numlock", 145: "scroll", 191: "/", 224: "meta"
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    },
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    shiftNums: {
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      "`": "~", "1": "!", "2": "@", "3": "#", "4": "$", "5": "%", "6": "^", "7": "&",
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      "8": "*", "9": "(", "0": ")", "-": "_", "=": "+", ";": ": ", "'": "\"", ",": "<",
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      ".": ">",  "/": "?",  "\\": "|"
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    }
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  };
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  function keyHandler( handleObj ) {
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    // Only care when a possible input has been specified
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    if ( typeof handleObj.data !== "string" ) {
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      return;
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    }
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    var origHandler = handleObj.handler,
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      keys = handleObj.data.toLowerCase().split(" ");
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    handleObj.handler = function( event ) {
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      // Don't fire in text-accepting inputs that we didn't directly bind to
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      if ( this !== event.target && (/textarea|select/i.test( event.target.nodeName ) ||
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         event.target.type === "text") ) {
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        return;
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      }
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      // Keypress represents characters, not special keys
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      var special = event.type !== "keypress" && jQuery.hotkeys.specialKeys[ event.which ],
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        character = String.fromCharCode( event.which ).toLowerCase(),
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        key, modif = "", possible = {};
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      // check combinations (alt|ctrl|shift+anything)
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      if ( event.altKey && special !== "alt" ) {
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        modif += "alt+";
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      }
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      if ( event.ctrlKey && special !== "ctrl" ) {
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        modif += "ctrl+";
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      }
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      // TODO: Need to make sure this works consistently across platforms
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      if ( event.metaKey && !event.ctrlKey && special !== "meta" ) {
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        modif += "meta+";
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      }
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      if ( event.shiftKey && special !== "shift" ) {
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        modif += "shift+";
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      }
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      if ( special ) {
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        possible[ modif + special ] = true;
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      } else {
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        possible[ modif + character ] = true;
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        possible[ modif + jQuery.hotkeys.shiftNums[ character ] ] = true;
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        // "$" can be triggered as "Shift+4" or "Shift+$" or just "$"
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        if ( modif === "shift+" ) {
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          possible[ jQuery.hotkeys.shiftNums[ character ] ] = true;
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        }
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      }
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      for ( var i = 0, l = keys.length; i < l; i++ ) {
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        if ( possible[ keys[i] ] ) {
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          return origHandler.apply( this, arguments );
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        }
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      }
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    };
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  }
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  jQuery.each([ "keydown", "keyup", "keypress" ], function() {
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    jQuery.event.special[ this ] = { add: keyHandler };
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  });
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})( jQuery );