/* * 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", 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", 186: ";", 191: "/", 220: "\\", 222: "'", 224: "meta" }, shiftNums: { "`": "~", "1": "!", "2": "@", "3": "#", "4": "$", "5": "%", "6": "^", "7": "&", "8": "*", "9": "(", "0": ")", "-": "_", "=": "+", ";": ": ", "'": "\"", ",": "<", ".": ">", "/": "?", "\\": "|" } }; function keyHandler( handleObj ) { if ( typeof handleObj.data === "string" ) { handleObj.data = { keys: handleObj.data }; } // Only care when a possible input has been specified if ( !handleObj.data || !handleObj.data.keys || typeof handleObj.data.keys !== "string" ) { return; } var origHandler = handleObj.handler, keys = handleObj.data.keys.toLowerCase().split(" "), textAcceptingInputTypes = ["text", "password", "number", "email", "url", "range", "date", "month", "week", "time", "datetime", "datetime-local", "search", "color", "tel"]; handleObj.handler = function( event ) { // Don't fire in text-accepting inputs that we didn't directly bind to if ( this !== event.target && (/textarea|select/i.test( event.target.nodeName ) || jQuery.inArray(event.target.type, textAcceptingInputTypes) > -1 ) ) { return; } var special = jQuery.hotkeys.specialKeys[ event.keyCode ], // character codes are available only in keypress character = event.type === "keypress" && String.fromCharCode( event.which ).toLowerCase(), modif = "", possible = {}; // check combinations (alt|ctrl|shift+anything) if ( event.altKey && special !== "alt" ) { modif += "alt+"; } if ( event.ctrlKey && special !== "ctrl" ) { modif += "ctrl+"; } // TODO: Need to make sure this works consistently across platforms if ( event.metaKey && !event.ctrlKey && special !== "meta" ) { modif += "meta+"; } if ( event.shiftKey && special !== "shift" ) { modif += "shift+"; } if ( special ) { possible[ modif + special ] = true; } if ( character ) { possible[ modif + character ] = true; possible[ modif + jQuery.hotkeys.shiftNums[ character ] ] = true; // "$" 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 }; }); })( this.jQuery );