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"use strict";var isff="undefined"!=typeof navigator&&0<navigator.userAgent.toLowerCase().indexOf("firefox");function addEvent(e,n,t){e.addEventListener?e.addEventListener(n,t,!1):e.attachEvent&&e.attachEvent("on".concat(n),function(){t(window.event)})}function getMods(e,n){for(var t=n.slice(0,n.length-1),o=0;o<t.length;o++)t[o]=e[t[o].toLowerCase()];return t}function getKeys(e){for(var n=(e=(e="string"!=typeof e?"":e).replace(/\s/g,"")).split(","),t=n.lastIndexOf("");0<=t;)n[t-1]+=",",n.splice(t,1),t=n.lastIndexOf("");return n}function compareArray(e,n){for(var t=e.length<n.length?n:e,o=e.length<n.length?e:n,s=!0,d=0;d<t.length;d++)~o.indexOf(t[d])||(s=!1);return s}for(var _keyMap={backspace:8,tab:9,clear:12,enter:13,return:13,esc:27,escape:27,space:32,left:37,up:38,right:39,down:40,del:46,delete:46,ins:45,insert:45,home:36,end:35,pageup:33,pagedown:34,capslock:20,num_0:96,num_1:97,num_2:98,num_3:99,num_4:100,num_5:101,num_6:102,num_7:103,num_8:104,num_9:105,num_multiply:106,num_add:107,num_enter:108,num_subtract:109,num_decimal:110,num_divide:111,"\u21ea":20,",":188,".":190,"/":191,"`":192,"-":isff?173:189,"=":isff?61:187,";":isff?59:186,"'":222,"[":219,"]":221,"\\":220},_modifier={"\u21e7":16,shift:16,"\u2325":18,alt:18,option:18,"\u2303":17,ctrl:17,control:17,"\u2318":91,cmd:91,command:91},modifierMap={16:"shiftKey",18:"altKey",17:"ctrlKey",91:"metaKey",shiftKey:16,ctrlKey:17,altKey:18,metaKey:91},_mods={16:!1,18:!1,17:!1,91:!1},_handlers={},k=1;k<20;k++)_keyMap["f".concat(k)]=111+k;var _downKeys=[],_scope="all",elementHasBindEvent=[],code=function(e){return _keyMap[e.toLowerCase()]||_modifier[e.toLowerCase()]||e.toUpperCase().charCodeAt(0)};function setScope(e){_scope=e||"all"}function getScope(){return _scope||"all"}function getPressedKeyCodes(){return _downKeys.slice(0)}function filter(e){var n=e.target||e.srcElement,e=n.tagName;return!n.isContentEditable&&("INPUT"!==e&&"TEXTAREA"!==e&&"SELECT"!==e||n.readOnly)?!0:!1}function isPressed(e){return"string"==typeof e&&(e=code(e)),!!~_downKeys.indexOf(e)}function deleteScope(e,n){var t,o,s;for(s in e=e||getScope(),_handlers)if(Object.prototype.hasOwnProperty.call(_handlers,s))for(t=_handlers[s],o=0;o<t.length;)t[o].scope===e?t.splice(o,1):o++;getScope()===e&&setScope(n||"all")}function clearModifier(e){var n=e.keyCode||e.which||e.charCode,t=_downKeys.indexOf(n);if(t<0||_downKeys.splice(t,1),e.key&&"meta"==e.key.toLowerCase()&&_downKeys.splice(0,_downKeys.length),(n=93===n||224===n?91:n)in _mods)for(var o in _mods[n]=!1,_modifier)_modifier[o]===n&&(hotkeys[o]=!1)}function unbind(e){if(e){if(Array.isArray(e))e.forEach(function(e){e.key&&eachUnbind(e)});else if("object"==typeof e)e.key&&eachUnbind(e);else if("string"==typeof e){for(var n=arguments.length,t=Array(1<n?n-1:0),o=1;o<n;o++)t[o-1]=arguments[o];var s=t[0],d=t[1];"function"==typeof s&&(d=s,s=""),eachUnbind({key:e,scope:s,method:d,splitKey:"+"})}}else Object.keys(_handlers).forEach(function(e){return delete _handlers[e]})}var eachUnbind=function(e){var s=e.scope,d=e.method,n=e.splitKey,r=void 0===n?"+":n;getKeys(e.key).forEach(function(e){var n,t=e.split(r),o=t.length,e=t[o-1],e="*"===e?"*":code(e);_handlers[e]&&(s=s||getScope(),n=1<o?getMods(_modifier,t):[],_handlers[e]=_handlers[e].map(function(e){return d&&e.method!==d||e.scope!==s||!compareArray(e.mods,n)?e:{}}))})};function eventHandler(e,n,t){var o;if(n.scope===t||"all"===n.scope){for(var s in o=0<n.mods.length,_mods)Object.prototype.hasOwnProperty.call(_mods,s)&&(!_mods[s]&&~n.mods.indexOf(+s)||_mods[s]&&!~n.mods.indexOf(+s))&&(o=!1);(0!==n.mods.length||_mods[16]||_mods[18]||_mods[17]||_mods[91])&&!o&&"*"!==n.shortcut||!1===n.method(e,n)&&(e.preventDefault?e.preventDefault():e.returnValue=!1,e.stopPropagation&&e.stopPropagation(),e.cancelBubble&&(e.cancelBubble=!0))}}function dispatch(t){var e=_handlers["*"],n=t.keyCode||t.which||t.charCode;if(hotkeys.filter.call(this,t)){if(~_downKeys.indexOf(n=93===n||224===n?91:n)||229===n||_downKeys.push(n),["ctrlKey","altKey","shiftKey","metaKey"].forEach(function(e){var n=modifierMap[e];t[e]&&!~_downKeys.indexOf(n)?_d
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