[Flashcoders] Scope problems
I'm having some frustrating problems with scope in trying to author
some classes. Basically, how do I get a value which is nested in a
function, returned to update the value of a given property? I've got
several functions nested inside a public function which includes
function literals. In the following code I just want to be able to
have the returnBW function update the value of the vidQuality
property. But I can't figure out how to return it? Any knowledge?
thanks.
class classes.CheckBW {
var nc:NetConnection;
var ns:NetStream;
var whichServer;
var counter;
var vidQuality:String;
public function bwCheck(whichServer):Void{
nc = new NetConnection();
nc.onStatus = function(info) {
trace(Level: +info.level+ Code: +info.code);
NetConnection.prototype.onBWDone = function(p_bw) {
trace(onBWDone: +p_bw);
if (p_bw != undefined) {
returnBW(p_bw);
}
};
function returnBW(p_bw) {
trace(returnBW called);
if (p_bw=400) {
vidQuality =
_med;
} else if (p_bw400 p_bw=150) {
vidQuality =
_low;
} else if (p_bw150) {
vidQuality =
_low;
}
}
NetConnection.prototype.onBWCheck = function() {
return ++counter;
// Serverside, just ignore any
return value and return the call count
};
};
nc.connect(whichServer);
nc.call(checkBandwidth, null);
}
}
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Re: [Flashcoders] Scope problems
what about:
class classes.CheckBW {
var nc:NetConnection;
var ns:NetStream;
var whichServer;
var counter;
var vidQuality:String;
var owner:Object = this;
public function bwCheck(whichServer):Void{
nc = new NetConnection();
nc.onStatus = function(info) {
trace(Level: +info.level+ Code:
+info.code);
NetConnection.prototype.onBWDone = function
(p_bw) {
trace(onBWDone: +p_bw);
if (p_bw != undefined) {
owner.returnBW(p_bw);
}
};
function returnBW(p_bw) {
trace(returnBW called);
if (p_bw=400) {
vidQuality = _med;
} else if (p_bw400 p_bw=150) {
vidQuality = _low;
} else if (p_bw150) {
vidQuality = _low;
}
}
NetConnection.prototype.onBWCheck = function
() {
return ++counter;
// Serverside, just ignore any
return value and return the call count
};
};
nc.connect(whichServer);
nc.call(checkBandwidth, null);
}
}
??
(just added the 'owner')
hth,
cedric
class classes.CheckBW {
var nc:NetConnection;
var ns:NetStream;
var whichServer;
var counter;
var vidQuality:String;
public function bwCheck(whichServer):Void{
nc = new NetConnection();
nc.onStatus = function(info) {
trace(Level: +info.level+ Code:
+info.code);
NetConnection.prototype.onBWDone = function
(p_bw) {
trace(onBWDone: +p_bw);
if (p_bw != undefined) {
returnBW(p_bw);
}
};
function returnBW(p_bw) {
trace(returnBW called);
if (p_bw=400) {
vidQuality = _med;
} else if (p_bw400 p_bw=150) {
vidQuality = _low;
} else if (p_bw150) {
vidQuality = _low;
}
}
NetConnection.prototype.onBWCheck = function
() {
return ++counter;
// Serverside, just ignore any
return value and return the call count
};
};
nc.connect(whichServer);
nc.call(checkBandwidth, null);
}
}
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Re: [Flashcoders] Scope problems
Hey Cedric, thanks a lot, man! It works. That was just killing me.
Sometimes it doesn't matter how many O'Reilly books you read, you
gotta have someone tell you how it is.
Thanks again!
At 12:18 PM 4/25/2006, you wrote:
what about:
class classes.CheckBW {
var nc:NetConnection;
var ns:NetStream;
var whichServer;
var counter;
var vidQuality:String;
var owner:Object = this;
public function bwCheck(whichServer):Void{
nc = new NetConnection();
nc.onStatus = function(info) {
trace(Level: +info.level+ Code:
+info.code);
NetConnection.prototype.onBWDone = function (p_bw) {
trace(onBWDone: +p_bw);
if (p_bw != undefined) {
owner.returnBW(p_bw);
}
};
function returnBW(p_bw) {
trace(returnBW called);
if (p_bw=400) {
vidQuality = _med;
} else if (p_bw400 p_bw=150) {
vidQuality = _low;
} else if (p_bw150) {
vidQuality = _low;
}
}
NetConnection.prototype.onBWCheck = function () {
return ++counter;
// Serverside, just ignore any
return value and return the call count
};
};
nc.connect(whichServer);
nc.call(checkBandwidth, null);
}
}
??
(just added the 'owner')
hth,
cedric
class classes.CheckBW {
var nc:NetConnection;
var ns:NetStream;
var whichServer;
var counter;
var vidQuality:String;
public function bwCheck(whichServer):Void{
nc = new NetConnection();
nc.onStatus = function(info) {
trace(Level: +info.level+ Code:
+info.code);
NetConnection.prototype.onBWDone = function (p_bw) {
trace(onBWDone: +p_bw);
if (p_bw != undefined) {
returnBW(p_bw);
}
};
function returnBW(p_bw) {
trace(returnBW called);
if (p_bw=400) {
vidQuality = _med;
} else if (p_bw400 p_bw=150) {
vidQuality = _low;
} else if (p_bw150) {
vidQuality = _low;
}
}
NetConnection.prototype.onBWCheck = function () {
return ++counter;
// Serverside, just ignore any
return value and return the call count
};
};
nc.connect(whichServer);
nc.call(checkBandwidth, null);
}
}
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---asai
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