| 提交 | 用户 | 时间 | ||
| 58d006 | 1 | /*jslint browser: true*/ |
| A | 2 | /*jslint jquery: true*/ |
| 3 | ||
| 4 | /* | |
| 5 | * jQuery Hotkeys Plugin | |
| 6 | * Copyright 2010, John Resig | |
| 7 | * Dual licensed under the MIT or GPL Version 2 licenses. | |
| 8 | * | |
| 9 | * Based upon the plugin by Tzury Bar Yochay: | |
| 10 | * http://github.com/tzuryby/hotkeys | |
| 11 | * | |
| 12 | * Original idea by: | |
| 13 | * Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/ | |
| 14 | */ | |
| 15 | ||
| 16 | /* | |
| 17 | * One small change is: now keys are passed by object { keys: '...' } | |
| 18 | * Might be useful, when you want to pass some other data to your handler | |
| 19 | */ | |
| 20 | ||
| 21 | (function(jQuery) { | |
| 22 | ||
| 23 | jQuery.hotkeys = { | |
| 24 | version: "0.8", | |
| 25 | ||
| 26 | specialKeys: { | |
| 27 | 8: "backspace", | |
| 28 | 9: "tab", | |
| 29 | 10: "return", | |
| 30 | 13: "return", | |
| 31 | 16: "shift", | |
| 32 | 17: "ctrl", | |
| 33 | 18: "alt", | |
| 34 | 19: "pause", | |
| 35 | 20: "capslock", | |
| 36 | 27: "esc", | |
| 37 | 32: "space", | |
| 38 | 33: "pageup", | |
| 39 | 34: "pagedown", | |
| 40 | 35: "end", | |
| 41 | 36: "home", | |
| 42 | 37: "left", | |
| 43 | 38: "up", | |
| 44 | 39: "right", | |
| 45 | 40: "down", | |
| 46 | 45: "insert", | |
| 47 | 46: "del", | |
| 48 | 59: ";", | |
| 49 | 61: "=", | |
| 50 | 96: "0", | |
| 51 | 97: "1", | |
| 52 | 98: "2", | |
| 53 | 99: "3", | |
| 54 | 100: "4", | |
| 55 | 101: "5", | |
| 56 | 102: "6", | |
| 57 | 103: "7", | |
| 58 | 104: "8", | |
| 59 | 105: "9", | |
| 60 | 106: "*", | |
| 61 | 107: "+", | |
| 62 | 109: "-", | |
| 63 | 110: ".", | |
| 64 | 111: "/", | |
| 65 | 112: "f1", | |
| 66 | 113: "f2", | |
| 67 | 114: "f3", | |
| 68 | 115: "f4", | |
| 69 | 116: "f5", | |
| 70 | 117: "f6", | |
| 71 | 118: "f7", | |
| 72 | 119: "f8", | |
| 73 | 120: "f9", | |
| 74 | 121: "f10", | |
| 75 | 122: "f11", | |
| 76 | 123: "f12", | |
| 77 | 144: "numlock", | |
| 78 | 145: "scroll", | |
| 79 | 173: "-", | |
| 80 | 186: ";", | |
| 81 | 187: "=", | |
| 82 | 188: ",", | |
| 83 | 189: "-", | |
| 84 | 190: ".", | |
| 85 | 191: "/", | |
| 86 | 192: "`", | |
| 87 | 219: "[", | |
| 88 | 220: "\\", | |
| 89 | 221: "]", | |
| 90 | 222: "'" | |
| 91 | }, | |
| 92 | ||
| 93 | shiftNums: { | |
| 94 | "`": "~", | |
| 95 | "1": "!", | |
| 96 | "2": "@", | |
| 97 | "3": "#", | |
| 98 | "4": "$", | |
| 99 | "5": "%", | |
| 100 | "6": "^", | |
| 101 | "7": "&", | |
| 102 | "8": "*", | |
| 103 | "9": "(", | |
| 104 | "0": ")", | |
| 105 | "-": "_", | |
| 106 | "=": "+", | |
| 107 | ";": ": ", | |
| 108 | "'": "\"", | |
| 109 | ",": "<", | |
| 110 | ".": ">", | |
| 111 | "/": "?", | |
| 112 | "\\": "|" | |
| 113 | }, | |
| 114 | ||
| 115 | // excludes: button, checkbox, file, hidden, image, password, radio, reset, search, submit, url | |
| 116 | textAcceptingInputTypes: [ | |
| 117 | "text", "password", "number", "email", "url", "range", "date", "month", "week", "time", "datetime", | |
| 118 | "datetime-local", "search", "color", "tel"], | |
| 119 | ||
| 120 | options: { | |
| 121 | filterTextInputs: true | |
| 122 | } | |
| 123 | }; | |
| 124 | ||
| 125 | function keyHandler(handleObj) { | |
| 126 | if (typeof handleObj.data === "string") { | |
| 127 | handleObj.data = { | |
| 128 | keys: handleObj.data | |
| 129 | }; | |
| 130 | } | |
| 131 | ||
| 132 | // Only care when a possible input has been specified | |
| 133 | if (!handleObj.data || !handleObj.data.keys || typeof handleObj.data.keys !== "string") { | |
| 134 | return; | |
| 135 | } | |
| 136 | ||
| 137 | var origHandler = handleObj.handler, | |
| 138 | keys = handleObj.data.keys.toLowerCase().split(" "); | |
| 139 | ||
| 140 | handleObj.handler = function(event) { | |
| 141 | // Don't fire in text-accepting inputs that we didn't directly bind to | |
| 142 | if (this !== event.target && (/textarea|select/i.test(event.target.nodeName) || | |
| 143 | (jQuery.hotkeys.options.filterTextInputs && | |
| 144 | jQuery.inArray(event.target.type, jQuery.hotkeys.textAcceptingInputTypes) > -1))) { | |
| 145 | return; | |
| 146 | } | |
| 147 | ||
| 148 | var special = event.type !== "keypress" && jQuery.hotkeys.specialKeys[event.which], | |
| 149 | character = String.fromCharCode(event.which).toLowerCase(), | |
| 150 | modif = "", | |
| 151 | possible = {}; | |
| 152 | ||
| 153 | jQuery.each(["alt", "ctrl", "shift"], function(index, specialKey) { | |
| 154 | ||
| 155 | if (event[specialKey + 'Key'] && special !== specialKey) { | |
| 156 | modif += specialKey + '+'; | |
| 157 | } | |
| 158 | }); | |
| 159 | ||
| 160 | // metaKey is triggered off ctrlKey erronously | |
| 161 | if (event.metaKey && !event.ctrlKey && special !== "meta") { | |
| 162 | modif += "meta+"; | |
| 163 | } | |
| 164 | ||
| 165 | if (event.metaKey && special !== "meta" && modif.indexOf("alt+ctrl+shift+") > -1) { | |
| 166 | modif = modif.replace("alt+ctrl+shift+", "hyper+"); | |
| 167 | } | |
| 168 | ||
| 169 | if (special) { | |
| 170 | possible[modif + special] = true; | |
| 171 | } | |
| 172 | else { | |
| 173 | possible[modif + character] = true; | |
| 174 | possible[modif + jQuery.hotkeys.shiftNums[character]] = true; | |
| 175 | ||
| 176 | // "$" can be triggered as "Shift+4" or "Shift+$" or just "$" | |
| 177 | if (modif === "shift+") { | |
| 178 | possible[jQuery.hotkeys.shiftNums[character]] = true; | |
| 179 | } | |
| 180 | } | |
| 181 | ||
| 182 | for (var i = 0, l = keys.length; i < l; i++) { | |
| 183 | if (possible[keys[i]]) { | |
| 184 | return origHandler.apply(this, arguments); | |
| 185 | } | |
| 186 | } | |
| 187 | }; | |
| 188 | } | |
| 189 | ||
| 190 | jQuery.each(["keydown", "keyup", "keypress"], function() { | |
| 191 | jQuery.event.special[this] = { | |
| 192 | add: keyHandler | |
| 193 | }; | |
| 194 | }); | |
| 195 | ||
| 196 | })(jQuery || this.jQuery || window.jQuery); | |
