1 |
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2 |
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3 |
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4 |
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5 |
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6 |
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7 |
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8 |
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9 |
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10 | var isff = typeof navigator !== 'undefined' ? navigator.userAgent.toLowerCase().indexOf('firefox') > 0 : false;
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11 |
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12 | function addEvent(object, event, method, useCapture) {
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13 | if (object.addEventListener) {
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14 | object.addEventListener(event, method, useCapture);
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15 | } else if (object.attachEvent) {
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16 | object.attachEvent("on".concat(event), function () {
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17 | method(window.event);
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18 | });
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19 | }
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20 | }
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21 |
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22 |
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23 | function getMods(modifier, key) {
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24 | var mods = key.slice(0, key.length - 1);
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25 |
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26 | for (var i = 0; i < mods.length; i++) {
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27 | mods[i] = modifier[mods[i].toLowerCase()];
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28 | }
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29 |
|
30 | return mods;
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31 | }
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32 |
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33 |
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34 | function getKeys(key) {
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35 | if (typeof key !== 'string') key = '';
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36 | key = key.replace(/\s/g, '');
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37 |
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38 | var keys = key.split(',');
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39 |
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40 | var index = keys.lastIndexOf('');
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41 |
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42 | for (; index >= 0;) {
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43 | keys[index - 1] += ',';
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44 | keys.splice(index, 1);
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45 | index = keys.lastIndexOf('');
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46 | }
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47 |
|
48 | return keys;
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49 | }
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50 |
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51 |
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52 | function compareArray(a1, a2) {
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53 | var arr1 = a1.length >= a2.length ? a1 : a2;
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54 | var arr2 = a1.length >= a2.length ? a2 : a1;
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55 | var isIndex = true;
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56 |
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57 | for (var i = 0; i < arr1.length; i++) {
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58 | if (arr2.indexOf(arr1[i]) === -1) isIndex = false;
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59 | }
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60 |
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61 | return isIndex;
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62 | }
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63 |
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64 | var _keyMap = {
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65 | backspace: 8,
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66 | tab: 9,
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67 | clear: 12,
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68 | enter: 13,
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69 | return: 13,
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70 | esc: 27,
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71 | escape: 27,
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72 | space: 32,
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73 | left: 37,
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74 | up: 38,
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75 | right: 39,
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76 | down: 40,
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77 | del: 46,
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78 | delete: 46,
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79 | ins: 45,
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80 | insert: 45,
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81 | home: 36,
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82 | end: 35,
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83 | pageup: 33,
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84 | pagedown: 34,
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85 | capslock: 20,
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86 | num_0: 96,
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87 | num_1: 97,
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88 | num_2: 98,
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89 | num_3: 99,
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90 | num_4: 100,
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91 | num_5: 101,
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92 | num_6: 102,
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93 | num_7: 103,
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94 | num_8: 104,
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95 | num_9: 105,
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96 | num_multiply: 106,
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97 | num_add: 107,
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98 | num_enter: 108,
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99 | num_subtract: 109,
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100 | num_decimal: 110,
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101 | num_divide: 111,
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102 | '⇪': 20,
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103 | ',': 188,
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104 | '.': 190,
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105 | '/': 191,
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106 | '`': 192,
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107 | '-': isff ? 173 : 189,
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108 | '=': isff ? 61 : 187,
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109 | ';': isff ? 59 : 186,
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110 | '\'': 222,
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111 | '[': 219,
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112 | ']': 221,
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113 | '\\': 220
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114 | };
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115 |
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116 | var _modifier = {
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117 |
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118 | '⇧': 16,
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119 | shift: 16,
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120 |
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121 | '⌥': 18,
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122 | alt: 18,
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123 | option: 18,
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124 |
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125 | '⌃': 17,
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126 | ctrl: 17,
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127 | control: 17,
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128 |
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129 | '⌘': 91,
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130 | cmd: 91,
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131 | command: 91
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132 | };
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133 | var modifierMap = {
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134 | 16: 'shiftKey',
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135 | 18: 'altKey',
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136 | 17: 'ctrlKey',
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137 | 91: 'metaKey',
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138 | shiftKey: 16,
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139 | ctrlKey: 17,
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140 | altKey: 18,
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141 | metaKey: 91
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142 | };
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143 | var _mods = {
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144 | 16: false,
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145 | 18: false,
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146 | 17: false,
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147 | 91: false
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148 | };
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149 | var _handlers = {};
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150 |
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151 | for (var k = 1; k < 20; k++) {
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152 | _keyMap["f".concat(k)] = 111 + k;
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153 | }
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154 |
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155 | var _downKeys = [];
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156 |
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157 | var winListendFocus = false;
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158 |
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159 | var _scope = 'all';
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160 |
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161 | var elementHasBindEvent = [];
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162 |
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163 |
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164 | var code = function code(x) {
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165 | return _keyMap[x.toLowerCase()] || _modifier[x.toLowerCase()] || x.toUpperCase().charCodeAt(0);
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166 | };
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167 |
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168 |
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169 | function setScope(scope) {
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170 | _scope = scope || 'all';
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171 | }
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172 |
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173 |
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174 | function getScope() {
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175 | return _scope || 'all';
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176 | }
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177 |
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178 |
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179 | function getPressedKeyCodes() {
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180 | return _downKeys.slice(0);
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181 | }
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182 |
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183 |
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184 |
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185 | function filter(event) {
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186 | var target = event.target || event.srcElement;
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187 | var tagName = target.tagName;
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188 | var flag = true;
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189 |
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190 | if (target.isContentEditable || (tagName === 'INPUT' || tagName === 'TEXTAREA' || tagName === 'SELECT') && !target.readOnly) {
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191 | flag = false;
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192 | }
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193 |
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194 | return flag;
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195 | }
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196 |
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197 |
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198 | function isPressed(keyCode) {
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199 | if (typeof keyCode === 'string') {
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200 | keyCode = code(keyCode);
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201 | }
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202 |
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203 | return _downKeys.indexOf(keyCode) !== -1;
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204 | }
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205 |
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206 |
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207 | function deleteScope(scope, newScope) {
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208 | var handlers;
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209 | var i;
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210 |
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211 | if (!scope) scope = getScope();
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212 |
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213 | for (var key in _handlers) {
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214 | if (Object.prototype.hasOwnProperty.call(_handlers, key)) {
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215 | handlers = _handlers[key];
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216 |
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217 | for (i = 0; i < handlers.length;) {
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218 | if (handlers[i].scope === scope) handlers.splice(i, 1);else i++;
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219 | }
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220 | }
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221 | }
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222 |
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223 |
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224 | if (getScope() === scope) setScope(newScope || 'all');
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225 | }
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226 |
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227 |
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228 | function clearModifier(event) {
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229 | var key = event.keyCode || event.which || event.charCode;
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230 |
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231 | var i = _downKeys.indexOf(key);
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232 |
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233 |
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234 | if (i >= 0) {
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235 | _downKeys.splice(i, 1);
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236 | }
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237 |
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238 |
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239 | if (event.key && event.key.toLowerCase() === 'meta') {
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240 | _downKeys.splice(0, _downKeys.length);
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241 | }
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242 |
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243 |
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244 | if (key === 93 || key === 224) key = 91;
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245 |
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246 | if (key in _mods) {
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247 | _mods[key] = false;
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248 |
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249 | for (var k in _modifier) {
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250 | if (_modifier[k] === key) hotkeys[k] = false;
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251 | }
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252 | }
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253 | }
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254 |
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255 | function unbind(keysInfo) {
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256 |
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257 | if (typeof keysInfo === 'undefined') {
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258 | Object.keys(_handlers).forEach(function (key) {
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259 | return delete _handlers[key];
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260 | });
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261 | } else if (Array.isArray(keysInfo)) {
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262 |
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263 | keysInfo.forEach(function (info) {
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264 | if (info.key) eachUnbind(info);
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265 | });
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266 | } else if (typeof keysInfo === 'object') {
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267 |
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268 | if (keysInfo.key) eachUnbind(keysInfo);
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269 | } else if (typeof keysInfo === 'string') {
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270 | for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
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271 | args[_key - 1] = arguments[_key];
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272 | }
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273 |
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274 |
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275 |
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276 | var scope = args[0],
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277 | method = args[1];
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278 |
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279 | if (typeof scope === 'function') {
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280 | method = scope;
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281 | scope = '';
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282 | }
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283 |
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284 | eachUnbind({
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285 | key: keysInfo,
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286 | scope: scope,
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287 | method: method,
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288 | splitKey: '+'
|
289 | });
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290 | }
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291 | }
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292 |
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293 |
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294 | var eachUnbind = function eachUnbind(_ref) {
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295 | var key = _ref.key,
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296 | scope = _ref.scope,
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297 | method = _ref.method,
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298 | _ref$splitKey = _ref.splitKey,
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299 | splitKey = _ref$splitKey === void 0 ? '+' : _ref$splitKey;
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300 | var multipleKeys = getKeys(key);
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301 | multipleKeys.forEach(function (originKey) {
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302 | var unbindKeys = originKey.split(splitKey);
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303 | var len = unbindKeys.length;
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304 | var lastKey = unbindKeys[len - 1];
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305 | var keyCode = lastKey === '*' ? '*' : code(lastKey);
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306 | if (!_handlers[keyCode]) return;
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307 |
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308 | if (!scope) scope = getScope();
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309 | var mods = len > 1 ? getMods(_modifier, unbindKeys) : [];
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310 | _handlers[keyCode] = _handlers[keyCode].filter(function (record) {
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311 |
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312 | var isMatchingMethod = method ? record.method === method : true;
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313 | return !(isMatchingMethod && record.scope === scope && compareArray(record.mods, mods));
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314 | });
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315 | });
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316 | };
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317 |
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318 |
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319 | function eventHandler(event, handler, scope, element) {
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320 | if (handler.element !== element) {
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321 | return;
|
322 | }
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323 |
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324 | var modifiersMatch;
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325 |
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326 | if (handler.scope === scope || handler.scope === 'all') {
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327 |
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328 | modifiersMatch = handler.mods.length > 0;
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329 |
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330 | for (var y in _mods) {
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331 | if (Object.prototype.hasOwnProperty.call(_mods, y)) {
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332 | if (!_mods[y] && handler.mods.indexOf(+y) > -1 || _mods[y] && handler.mods.indexOf(+y) === -1) {
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333 | modifiersMatch = false;
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334 | }
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335 | }
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336 | }
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337 |
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338 |
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339 | if (handler.mods.length === 0 && !_mods[16] && !_mods[18] && !_mods[17] && !_mods[91] || modifiersMatch || handler.shortcut === '*') {
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340 | if (handler.method(event, handler) === false) {
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341 | if (event.preventDefault) event.preventDefault();else event.returnValue = false;
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342 | if (event.stopPropagation) event.stopPropagation();
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343 | if (event.cancelBubble) event.cancelBubble = true;
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344 | }
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345 | }
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346 | }
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347 | }
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348 |
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349 |
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350 | function dispatch(event, element) {
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351 | var asterisk = _handlers['*'];
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352 | var key = event.keyCode || event.which || event.charCode;
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353 |
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354 | if (!hotkeys.filter.call(this, event)) return;
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355 |
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356 |
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357 | if (key === 93 || key === 224) key = 91;
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358 | |
359 |
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360 |
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361 |
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362 |
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363 |
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364 |
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365 | if (_downKeys.indexOf(key) === -1 && key !== 229) _downKeys.push(key);
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366 | |
367 |
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368 |
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369 |
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370 |
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371 | ['ctrlKey', 'altKey', 'shiftKey', 'metaKey'].forEach(function (keyName) {
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372 | var keyNum = modifierMap[keyName];
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373 |
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374 | if (event[keyName] && _downKeys.indexOf(keyNum) === -1) {
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375 | _downKeys.push(keyNum);
|
376 | } else if (!event[keyName] && _downKeys.indexOf(keyNum) > -1) {
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377 | _downKeys.splice(_downKeys.indexOf(keyNum), 1);
|
378 | } else if (keyName === 'metaKey' && event[keyName] && _downKeys.length === 3) {
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379 | |
380 |
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381 |
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382 |
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383 | if (!(event.ctrlKey || event.shiftKey || event.altKey)) {
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384 | _downKeys = _downKeys.slice(_downKeys.indexOf(keyNum));
|
385 | }
|
386 | }
|
387 | });
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388 | |
389 |
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390 |
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391 |
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392 | if (key in _mods) {
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393 | _mods[key] = true;
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394 |
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395 | for (var k in _modifier) {
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396 | if (_modifier[k] === key) hotkeys[k] = true;
|
397 | }
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398 |
|
399 | if (!asterisk) return;
|
400 | }
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401 |
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402 |
|
403 | for (var e in _mods) {
|
404 | if (Object.prototype.hasOwnProperty.call(_mods, e)) {
|
405 | _mods[e] = event[modifierMap[e]];
|
406 | }
|
407 | }
|
408 | |
409 |
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410 |
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411 |
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412 |
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413 |
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414 |
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415 |
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416 | if (event.getModifierState && !(event.altKey && !event.ctrlKey) && event.getModifierState('AltGraph')) {
|
417 | if (_downKeys.indexOf(17) === -1) {
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418 | _downKeys.push(17);
|
419 | }
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420 |
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421 | if (_downKeys.indexOf(18) === -1) {
|
422 | _downKeys.push(18);
|
423 | }
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424 |
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425 | _mods[17] = true;
|
426 | _mods[18] = true;
|
427 | }
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428 |
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429 |
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430 | var scope = getScope();
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431 |
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432 | if (asterisk) {
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433 | for (var i = 0; i < asterisk.length; i++) {
|
434 | if (asterisk[i].scope === scope && (event.type === 'keydown' && asterisk[i].keydown || event.type === 'keyup' && asterisk[i].keyup)) {
|
435 | eventHandler(event, asterisk[i], scope, element);
|
436 | }
|
437 | }
|
438 | }
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439 |
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440 |
|
441 | if (!(key in _handlers)) return;
|
442 |
|
443 | for (var _i = 0; _i < _handlers[key].length; _i++) {
|
444 | if (event.type === 'keydown' && _handlers[key][_i].keydown || event.type === 'keyup' && _handlers[key][_i].keyup) {
|
445 | if (_handlers[key][_i].key) {
|
446 | var record = _handlers[key][_i];
|
447 | var splitKey = record.splitKey;
|
448 | var keyShortcut = record.key.split(splitKey);
|
449 | var _downKeysCurrent = [];
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450 |
|
451 | for (var a = 0; a < keyShortcut.length; a++) {
|
452 | _downKeysCurrent.push(code(keyShortcut[a]));
|
453 | }
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454 |
|
455 | if (_downKeysCurrent.sort().join('') === _downKeys.sort().join('')) {
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456 |
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457 | eventHandler(event, record, scope, element);
|
458 | }
|
459 | }
|
460 | }
|
461 | }
|
462 | }
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463 |
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464 |
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465 | function isElementBind(element) {
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466 | return elementHasBindEvent.indexOf(element) > -1;
|
467 | }
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468 |
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469 | function hotkeys(key, option, method) {
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470 | _downKeys = [];
|
471 | var keys = getKeys(key);
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472 |
|
473 | var mods = [];
|
474 | var scope = 'all';
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475 |
|
476 | var element = document;
|
477 |
|
478 | var i = 0;
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479 | var keyup = false;
|
480 | var keydown = true;
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481 | var splitKey = '+';
|
482 | var capture = false;
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483 |
|
484 | if (method === undefined && typeof option === 'function') {
|
485 | method = option;
|
486 | }
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487 |
|
488 | if (Object.prototype.toString.call(option) === '[object Object]') {
|
489 | if (option.scope) scope = option.scope;
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490 |
|
491 | if (option.element) element = option.element;
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492 |
|
493 | if (option.keyup) keyup = option.keyup;
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494 |
|
495 | if (option.keydown !== undefined) keydown = option.keydown;
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496 |
|
497 | if (option.capture !== undefined) capture = option.capture;
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498 |
|
499 | if (typeof option.splitKey === 'string') splitKey = option.splitKey;
|
500 | }
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501 |
|
502 | if (typeof option === 'string') scope = option;
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503 |
|
504 | for (; i < keys.length; i++) {
|
505 | key = keys[i].split(splitKey);
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506 |
|
507 | mods = [];
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508 |
|
509 | if (key.length > 1) mods = getMods(_modifier, key);
|
510 |
|
511 | key = key[key.length - 1];
|
512 | key = key === '*' ? '*' : code(key);
|
513 |
|
514 |
|
515 | if (!(key in _handlers)) _handlers[key] = [];
|
516 |
|
517 | _handlers[key].push({
|
518 | keyup: keyup,
|
519 | keydown: keydown,
|
520 | scope: scope,
|
521 | mods: mods,
|
522 | shortcut: keys[i],
|
523 | method: method,
|
524 | key: keys[i],
|
525 | splitKey: splitKey,
|
526 | element: element
|
527 | });
|
528 | }
|
529 |
|
530 |
|
531 | if (typeof element !== 'undefined' && !isElementBind(element) && window) {
|
532 | elementHasBindEvent.push(element);
|
533 | addEvent(element, 'keydown', function (e) {
|
534 | dispatch(e, element);
|
535 | }, capture);
|
536 |
|
537 | if (!winListendFocus) {
|
538 | winListendFocus = true;
|
539 | addEvent(window, 'focus', function () {
|
540 | _downKeys = [];
|
541 | }, capture);
|
542 | }
|
543 |
|
544 | addEvent(element, 'keyup', function (e) {
|
545 | dispatch(e, element);
|
546 | clearModifier(e);
|
547 | }, capture);
|
548 | }
|
549 | }
|
550 |
|
551 | function trigger(shortcut) {
|
552 | var scope = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'all';
|
553 | Object.keys(_handlers).forEach(function (key) {
|
554 | var data = _handlers[key].find(function (item) {
|
555 | return item.scope === scope && item.shortcut === shortcut;
|
556 | });
|
557 |
|
558 | if (data && data.method) {
|
559 | data.method();
|
560 | }
|
561 | });
|
562 | }
|
563 |
|
564 | var _api = {
|
565 | setScope: setScope,
|
566 | getScope: getScope,
|
567 | deleteScope: deleteScope,
|
568 | getPressedKeyCodes: getPressedKeyCodes,
|
569 | isPressed: isPressed,
|
570 | filter: filter,
|
571 | trigger: trigger,
|
572 | unbind: unbind,
|
573 | keyMap: _keyMap,
|
574 | modifier: _modifier,
|
575 | modifierMap: modifierMap
|
576 | };
|
577 |
|
578 | for (var a in _api) {
|
579 | if (Object.prototype.hasOwnProperty.call(_api, a)) {
|
580 | hotkeys[a] = _api[a];
|
581 | }
|
582 | }
|
583 |
|
584 | if (typeof window !== 'undefined') {
|
585 | var _hotkeys = window.hotkeys;
|
586 |
|
587 | hotkeys.noConflict = function (deep) {
|
588 | if (deep && window.hotkeys === hotkeys) {
|
589 | window.hotkeys = _hotkeys;
|
590 | }
|
591 |
|
592 | return hotkeys;
|
593 | };
|
594 |
|
595 | window.hotkeys = hotkeys;
|
596 | }
|
597 |
|
598 | export { hotkeys as default };
|