Skip to content

Home work: traffic light + tram #4

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
VasiliiKuznecov wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Home work: traffic light + tram #4

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
119 changes: 119 additions & 0 deletions trafficlight.htm
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,119 @@
<!doctype html>
<html>
<head>
<title>
��������
</title>
</head>
<body>
<script type="text/javascript">

function TrafficLight(config) {
this.greenTime = config.greenTime;
this.yellowTime = config.yellowTime;
this.redTime = config.redTime;
this.timeoutID = null;
this.switchDate = null;
this._state = null;
this.tram = false;

TrafficLight.prototype.state = function() {
return (this.tram)?"green":this._state;
Copy link

@Zhigalov Zhigalov Oct 28, 2014

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Это пять! 👍

};

TrafficLight.prototype.toRed = function() {
clearTimeout(this.timeoutID);
this._state = "red";
this.switchDate = new Date();
this.timeoutID = setTimeout(function() {this.toGreen();}.bind(this), this.redTime*1000);
};

TrafficLight.prototype.toGreen = function() {
clearTimeout(this.timeoutID);
this._state = "green";
this.switchDate = new Date();
this.timeoutID = setTimeout(function() {this.toYellow();}.bind(this), this.greenTime*1000);
};

TrafficLight.prototype.toYellow = function() {
clearTimeout(this.timeoutID);
this._state = "yellow";
this.switchDate = new Date();
this.timeoutID = setTimeout(function() {this.toRed();}.bind(this), this.yellowTime*1000);
};

TrafficLight.prototype.letTramGo = function() {
setTimeout(function() {
this.tram = true;
setTimeout(function() {
this.tram = false;
if (this.switchDate - new Date() > 0.8*this[this._state + "Time"]) {
switch (this._state) {
case "green":
this.toYellow();
break;
case "yellow":
this.toRed();
break;
case "red":
this.toGreen();
break;
}
}
}.bind(this),10000);
}.bind(this),3000);
}

TrafficLight.prototype.subscribeTram = function(event) {
event.addListener(function() {this.letTramGo();}.bind(this));
}

}

function tramEvent() {
this.listeners=[];
tramEvent.prototype.addListener = function(func) {
this.listeners.push(func);
}
tramEvent.prototype.removeListener = function(func) {
for(var i=0; i<this.listeners.length ; i++) {
if (this.listeners[i] === func) {
this.listeners.splice(i,1);
}
}
}
tramEvent.prototype.emit = function() {
for(var i=0; i<this.listeners.length ; i++) {
setTimeout(this.listeners[i],0);
}
}

}

var config = {
greenTime: 6,
yellowTime: 2,
redTime: 6
}

var trafficLight = new TrafficLight(config);
var tram = new tramEvent();
trafficLight.subscribeTram(tram);
trafficLight.toGreen();

/*setInterval(function() {alert("now is " + trafficLight.state());}, 2000);

setTimeout(function() {
tram.emit();
alert("tram is coming...");
setTimeout(function() {
alert("tram!");
},3000);
setTimeout(function() {
alert("tram passed");
},13000);
}, 10000);
*/
</script>
</body>
</html>