this.keyTypeSet = {
altKey: {},
ctrlAlt: {},
ctrlKey: {},
threeKey: {},
altShift: {},
shiftKey: {},
ctrlShift: {},
singleKey: {}
};
// 支持一些内建的键盘事件类型
this.extendEventType([
{
type: 'redo',
ctrl: true,
shift: true,
code: 90
},
{
type: 'undo',
ctrl: true,
code: 90
},
{
type: 'copy',
ctrl: true,
code: 67
},
{
type: 'paste',
ctrl: true,
code: 86
},
{
type: 'delete',
code: 46
},
{
type: 'right',
code: 39
},
{
type: 'down',
code: 40
},
{
type: 'left',
code: 37
},
{
type: 'up',
code: 38
}
]);
return null;
};
/**
* @private _keyDownHandler 自定义键盘事件分发
* */
KeyboardListener.prototype._keyDownHandler = function _keyDownHandler(e){
var strCommand = this._keyCodeProcess(e);
var objEvent = {
type: '',
originEvent: e.originEvent
};
strCommand && this.callback['on' + strCommand](objEvent);
return null;
};
/**
* @private _keyCodeProcess 处理按键码
* */
KeyboardListener.prototype._keyCodeProcess = function _keyCodeProcess(e){
var code = e.keyCode + '';
var altKey = e.altKey;
var ctrlKey = e.ctrlKey;
var shiftKey = e.shiftKey;
var threeKey = altKey && ctrlKey && shiftKey;
var ctrlAlt = altKey && ctrlKey;
var altShift = altKey && shiftKey;
var ctrlShift = shiftKey && ctrlKey;
var keyTypeSet = this.keyTypeSet;
var resStr = '';
if(threeKey){
resStr = keyTypeSet.threeKey[code];
} else if(ctrlAlt) {
resStr = keyTypeSet.ctrlAlt[code];
} else if(ctrlShift) {
resStr = keyTypeSet.ctrlShift[code];
} else if(altShift) {
resStr = keyTypeSet.altShift[code];
} else if(altKey) {
resStr = keyTypeSet.altKey[code];
} else if(ctrlKey) {
resStr = keyTypeSet.ctrlKey[code];
} else if(shiftKey) {
resStr = keyTypeSet.shiftKey[code];
} else {
resStr = keyTypeSet.singleKey[code];
}
return resStr
};
/**
* @private _setKeyComposition 自定义键盘事件
* @param {Object} config 键盘事件配置方案
* @param {String} config.type 自定义事件类型
* @param {keyCode} config.code 按键的码值
