Re: [Flashcoders] create an object of type defined with a string
If you need an object that already exists to be converted into an instance
of the class you can use the XT Prototype class
Prototype.makeInstanceof(obj, Array);
and using Zimmen's suggestion
Prototype.makeInstanceof(obj, _global[tType]);
good luck! you'll find the class at
http://codext.com/code/9
Tyler
On 6/1/06, Zimmen [EMAIL PROTECTED] wrote:
Yes it is... so you could use
function makeObject(tType){
return (new _global[tType]())
}
test = makeObject(Array)
as well (this is what the findClass method does eventually. :)
On 6/1/06, Danny Kodicek [EMAIL PROTECTED] wrote:
Thanks, Zimmen and Ian, that's helpful. I'll probably go with Ian's
solution, which seems a bit more robust (I've been caught out before by
clever tricks using eval()...)
Danny
- Original Message -
From: Zimmen [EMAIL PROTECTED]
To: Flashcoders mailing list flashcoders@chattyfig.figleaf.com
Sent: Thursday, June 01, 2006 5:33 PM
Subject: Re: [Flashcoders] create an object of type defined with a
string
This actually works:
function makeObject(tType){
var tVar = eval(tType)
return (new tVar())
}
test = makeObject(Array)
test.push(foo)
test.push(bar)
trace(test[0])
trace(test[1])
trace(test.length)
Output:
foo
bar
2
On 6/1/06, Danny Kodicek [EMAIL PROTECTED] wrote:
I want to have a function makeObject(tType:String) which returns an
object
of class tType. So makeObject(Array) should return a new Array
object.
Any
good way to do this? I'm sure it's something simple.
And before you ask, yes, there is a reason why I need to do it this
way...
Danny
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Re: [Flashcoders] create an object of type defined with a string
Hi Danny, mx.utils.ClassFinder.findClass(SomeClass) returns the constructor function for a class. e.g. var className:String = 'String'; var cls:Function = mx.utils.ClassFinder.findClass(className); var object:Object = new cls(); Hope that helps, Ian On 6/1/06, Danny Kodicek [EMAIL PROTECTED] wrote: I want to have a function makeObject(tType:String) which returns an object of class tType. So makeObject(Array) should return a new Array object. Any good way to do this? I'm sure it's something simple. And before you ask, yes, there is a reason why I need to do it this way... Danny ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
Re: [Flashcoders] create an object of type defined with a string
This actually works:
function makeObject(tType){
var tVar = eval(tType)
return (new tVar())
}
test = makeObject(Array)
test.push(foo)
test.push(bar)
trace(test[0])
trace(test[1])
trace(test.length)
Output:
foo
bar
2
On 6/1/06, Danny Kodicek [EMAIL PROTECTED] wrote:
I want to have a function makeObject(tType:String) which returns an object
of class tType. So makeObject(Array) should return a new Array object. Any
good way to do this? I'm sure it's something simple.
And before you ask, yes, there is a reason why I need to do it this way...
Danny
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Re: [Flashcoders] create an object of type defined with a string
Thanks, Zimmen and Ian, that's helpful. I'll probably go with Ian's
solution, which seems a bit more robust (I've been caught out before by
clever tricks using eval()...)
Danny
- Original Message -
From: Zimmen [EMAIL PROTECTED]
To: Flashcoders mailing list flashcoders@chattyfig.figleaf.com
Sent: Thursday, June 01, 2006 5:33 PM
Subject: Re: [Flashcoders] create an object of type defined with a string
This actually works:
function makeObject(tType){
var tVar = eval(tType)
return (new tVar())
}
test = makeObject(Array)
test.push(foo)
test.push(bar)
trace(test[0])
trace(test[1])
trace(test.length)
Output:
foo
bar
2
On 6/1/06, Danny Kodicek [EMAIL PROTECTED] wrote:
I want to have a function makeObject(tType:String) which returns an
object
of class tType. So makeObject(Array) should return a new Array object.
Any
good way to do this? I'm sure it's something simple.
And before you ask, yes, there is a reason why I need to do it this
way...
Danny
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Re: [Flashcoders] create an object of type defined with a string
just for the record you don't need to use eval: trace(new [Array]() instanceof Array) Cheers Nick Danny Kodicek wrote: Thanks, Zimmen and Ian, that's helpful. I'll probably go with Ian's solution, which seems a bit more robust (I've been caught out before by clever tricks using eval()...) Danny ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
RE: [Flashcoders] create an object of type defined with a string
Danny,
Out of curiosity, why do you need a function that returns an object of a
type passed as a string? It's a neat idea, but I'm scratching my head as to
where one might apply it.
-tom
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Danny
Kodicek
Sent: Thursday, June 01, 2006 12:51 PM
To: Flashcoders mailing list
Subject: Re: [Flashcoders] create an object of type defined with a string
Thanks, Zimmen and Ian, that's helpful. I'll probably go with Ian's
solution, which seems a bit more robust (I've been caught out before by
clever tricks using eval()...)
Danny
- Original Message -
From: Zimmen [EMAIL PROTECTED]
To: Flashcoders mailing list flashcoders@chattyfig.figleaf.com
Sent: Thursday, June 01, 2006 5:33 PM
Subject: Re: [Flashcoders] create an object of type defined with a string
This actually works:
function makeObject(tType){
var tVar = eval(tType)
return (new tVar())
}
test = makeObject(Array)
test.push(foo)
test.push(bar)
trace(test[0])
trace(test[1])
trace(test.length)
Output:
foo
bar
2
On 6/1/06, Danny Kodicek [EMAIL PROTECTED] wrote:
I want to have a function makeObject(tType:String) which returns an
object
of class tType. So makeObject(Array) should return a new Array object.
Any
good way to do this? I'm sure it's something simple.
And before you ask, yes, there is a reason why I need to do it this
way...
Danny
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Re: [Flashcoders] create an object of type defined with a string
Danny,
Out of curiosity, why do you need a function that returns an object of a
type passed as a string? It's a neat idea, but I'm scratching my head as
to
where one might apply it.
I've been hitting some memory problems when using Director's newObject()
function, which creates a new object inside an embedded Swf. Because the
object is unnamed, I have no way to destroy it in the Flash movie - it seems
to go somewhere in the global space. So instead, I'm making my own
tempObject function, which creates a new object in an array pTempObjects in
the Flash movie. When I've finished working with it, I run a
clearTempObjects() function to flush them out.
So I have this function:
function tempObject(tName:String) {
var tObj:Object = new Object of type tName
pTempObjects.push(tObj)
return tObj
}
Now Director can call this function, get a new temporary Flash object and
work on it, then tell Flash to do something with the object (eg, setting the
properties of a TextFormat object before applying it to a field), and then
finally clear it out.
More detail than I think you wanted, but since you asked :)
Danny
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RE: [Flashcoders] create an object of type defined with a string
Makes total sense! Valuable info for the rare occasion I do a
Director/Flash hybrid. Thanks for indulging me. :)
-tom
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Danny
Kodicek
Sent: Thursday, June 01, 2006 2:26 PM
To: Flashcoders mailing list
Subject: Re: [Flashcoders] create an object of type defined with a string
Danny,
Out of curiosity, why do you need a function that returns an object of a
type passed as a string? It's a neat idea, but I'm scratching my head as
to
where one might apply it.
I've been hitting some memory problems when using Director's newObject()
function, which creates a new object inside an embedded Swf. Because the
object is unnamed, I have no way to destroy it in the Flash movie - it seems
to go somewhere in the global space. So instead, I'm making my own
tempObject function, which creates a new object in an array pTempObjects in
the Flash movie. When I've finished working with it, I run a
clearTempObjects() function to flush them out.
So I have this function:
function tempObject(tName:String) {
var tObj:Object = new Object of type tName
pTempObjects.push(tObj)
return tObj
}
Now Director can call this function, get a new temporary Flash object and
work on it, then tell Flash to do something with the object (eg, setting the
properties of a TextFormat object before applying it to a field), and then
finally clear it out.
More detail than I think you wanted, but since you asked :)
Danny
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RE: [Flashcoders] create an object of type defined with a string
If you were using Flex, I think there is a way to do it: let us know if you use Flex. Regards. -Mensaje original- De: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] nombre de Danny Kodicek Enviado el: jueves, 01 de junio de 2006 18:02 Para: Flashcoders mailing list Asunto: [Flashcoders] create an object of type defined with a string I want to have a function makeObject(tType:String) which returns an object of class tType. So makeObject(Array) should return a new Array object. Any good way to do this? I'm sure it's something simple. And before you ask, yes, there is a reason why I need to do it this way... Danny ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
