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Added keyup shortcuts

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This commit is contained in:
Tai Groot 2016-04-22 01:13:01 -07:00
parent 61ded04292
commit 0883829b93
1 changed files with 24 additions and 1 deletions
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23
lib.js
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@ -29,6 +29,29 @@ window.addShortcut = function(callback,keyCodeValues){
window.addEventListener('keydown',funct);
return funct;
};
window.addRemovalShortcut = function(callback,keyCodeValues){
if(typeof keyCodeValues === "number")
keyCodeValues = [keyCodeValues];
var funct = function(cb,val){
return function(e){
keyStrokes[e.keyCode] = false;
callDefinedRemovalFunction(cb,val);
};
}(callback,keyCodeValues);
window.addEventListener('keyup',funct);
return funct;
};
window.callDefinedRemovalFunction = function(callback,keyCodeValues){
if(typeof callback !== "function")
throw new TypeError("Expected callback as first argument");
if(typeof keyCodeValues !== "object" && (!Array.isArray || Array.isArray(keyCodeValues)))
throw new TypeError("Expected array as second argument");
var pressedKeysValid = true;
for(var i = 0; i < keyCodeValues.length; ++i)
pressedKeysValid = pressedKeysValid && !keyStrokes[keyCodeValues[i]];
if(pressedKeysValid)
callback();
};
window.addEventListener('keyup',function(e){
keyStrokes[e.keyCode] = false;
});