Re: [flexcoders] Re: can NOT call method in component - Important MXML Lesson
Could not figure out what problem do you really has.regards.On 10/3/06, Gordon Smith <[EMAIL PROTECTED]
> wrote:
I haven't been following this thread, but
if you find yourself putting the same 'change' handler on each instance of your
TimeText component, then you should instead make that handler part of the
DEFINITION of that component.
Although you could accomplish that by
registering it in an override of createChildren(), it would be more natural to
put it on the base tag of your component definition. It sounds like your
TimeText is an MXML component extending TextInput. In that case, TimeText.mxml
should look like this:
TimeTextt.mxml:
private function procesTime(event:Event):void
{
...
}
That way, you can just write instances as
and every one will automatically have processTime() as its change handler.
This is similar conceptually to defining
the component
OKButton.mxml:
and writing instead
of . Here you've set a property, rather
than an event handler, as part of the component's definition so you don't have
to set it on each instance.
- Gordon
From: [EMAIL PROTECTED]
ups.com [mailto:[EMAIL PROTECTED]
ups.com] On Behalf Of boy_trike
Sent: Tuesday, October 03, 2006
6:00 PM
To: [EMAIL PROTECTED]ups.com
Subject: [flexcoders] Re: can NOT
call method in component
Well Thanks, of course, it works FINE now, with your
suggestion.
Now here is the important question..
I feel like I know flex pretty well (not too difficult to figure out how all of
the components
work...maybe a 9 on a 0 - 10 scale).
However, my actionscript knowledge seems to be a 1 MINUS!. I would have had NO
idea to
look for the createChildren function. where the heck do I learn that info?
would going to
MAXX help ?? any books you want to recomend? (wanna consult for $$$ ??? )
Bruce
--- In flexcoders@yahoogroups.com,
"Michael Schmalle" <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> Since you are instantiating the component in an Application, the scope is
> off,
>
>
>
> needs to be
>
>
>
> I know that isnt what you wanted to here but the scope always refers to
the
> application everywhere except a component tag.
>
> Why don't you add a listener in you custom component say in createChilren()
>
> IE
>
> override proected function createChildren():void
> {
> super.createChildren();
> addEventListener(Event.CHANGE, processTime, false, 0, true);
> }
>
>
> Peace, Mike
>
> On 10/3/06, boy_trike <[EMAIL PROTECTED]> wrote:
> >
> > in my application, i am asking for time input in many places. right
now
> > I have a
> > change="processTime( event)" in the text input of each
time variable. (my
> > process time
> > parses the input". Of course, this requires that I import the
ProcessTime
> > function into each
> > component that uses it. I created a new component called TimeInput
based
> > on textInput and
> > added a public function processTime.
> >
> > When I try to use this component i.e.
> >
> >
> > I get the error "call to possibly undefined method"
> >
> > Help
> >
> > Thanks
> > Bruce
> >
> >
> >
>
>
>
> --
> What goes up, does come down.
>
-- Igor Costawww.igorcosta.com
__._,_.___
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RE: [flexcoders] Re: can NOT call method in component - Important MXML Lesson
I haven't been following this thread, but
if you find yourself putting the same 'change' handler on each instance of your
TimeText component, then you should instead make that handler part of the
DEFINITION of that component.
Although you could accomplish that by
registering it in an override of createChildren(), it would be more natural to
put it on the base tag of your component definition. It sounds like your
TimeText is an MXML component extending TextInput. In that case, TimeText.mxml
should look like this:
TimeTextt.mxml:
private function procesTime(event:Event):void
{
...
}
That way, you can just write instances as
and every one will automatically have processTime() as its change handler.
This is similar conceptually to defining
the component
OKButton.mxml:
and writing instead
of . Here you've set a property, rather
than an event handler, as part of the component's definition so you don't have
to set it on each instance.
- Gordon
From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of boy_trike
Sent: Tuesday, October 03, 2006
6:00 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: can NOT
call method in component
Well Thanks, of course, it works FINE now, with your
suggestion.
Now here is the important question..
I feel like I know flex pretty well (not too difficult to figure out how all of
the components
work...maybe a 9 on a 0 - 10 scale).
However, my actionscript knowledge seems to be a 1 MINUS!. I would have had NO
idea to
look for the createChildren function. where the heck do I learn that info?
would going to
MAXX help ?? any books you want to recomend? (wanna consult for $$$ ??? )
Bruce
--- In [EMAIL PROTECTED]ups.com,
"Michael Schmalle" ...> wrote:
>
> Hi,
>
> Since you are instantiating the component in an Application, the scope is
> off,
>
>
>
> needs to be
>
>
>
> I know that isnt what you wanted to here but the scope always refers to
the
> application everywhere except a component tag.
>
> Why don't you add a listener in you custom component say in createChilren()
>
> IE
>
> override proected function createChildren():void
> {
> super.createChildren();
> addEventListener(Event.CHANGE, processTime, false, 0, true);
> }
>
>
> Peace, Mike
>
> On 10/3/06, boy_trike <[EMAIL PROTECTED]..> wrote:
> >
> > in my application, i am asking for time input in many places. right
now
> > I have a
> > change="processTime( event)" in the text input of each
time variable. (my
> > process time
> > parses the input". Of course, this requires that I import the
ProcessTime
> > function into each
> > component that uses it. I created a new component called TimeInput
based
> > on textInput and
> > added a public function processTime.
> >
> > When I try to use this component i.e.
> >
> >
> > I get the error "call to possibly undefined method"
> >
> > Help
> >
> > Thanks
> > Bruce
> >
> >
> >
>
>
>
> --
> What goes up, does come down.
>
__._,_.___
--
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FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt
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Re: [flexcoders] Re: can NOT call method in component
Hi,Well, createChildren() is only one spot. I am a component dev so createChildren is a nice place to put event listeners that have to do with user interaction such as a change event. You know the control has to be created before that handler will be called.
There are quite a few books that come with flex. I don't know, I have been learning by creating things. ;-)> would going to MAXX help Ha, I don't think it would put you back any! :)Peace, Mike
On 10/3/06, boy_trike <[EMAIL PROTECTED]> wrote:
Well Thanks, of course, it works FINE now, with your suggestion.
Now here is the important question..
I feel like I know flex pretty well (not too difficult to figure out how all of the components
work...maybe a 9 on a 0 - 10 scale).
However, my actionscript knowledge seems to be a 1 MINUS!. I would have had NO idea to
look for the createChildren function. where the heck do I learn that info? would going to
MAXX help ?? any books you want to recomend? (wanna consult for $$$ ??? )
Bruce
--- In flexcoders@yahoogroups.com, "Michael Schmalle" <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> Since you are instantiating the component in an Application, the scope is
> off,
>
>
>
> needs to be
>
>
>
> I know that isnt what you wanted to here but the scope always refers to the
> application everywhere except a component tag.
>
> Why don't you add a listener in you custom component say in createChilren()
>
> IE
>
> override proected function createChildren():void
> {
>super.createChildren();
>addEventListener(Event.CHANGE, processTime, false, 0, true);
> }
>
>
> Peace, Mike
>
> On 10/3/06, boy_trike <[EMAIL PROTECTED]> wrote:
> >
> > in my application, i am asking for time input in many places. right now
> > I have a
> > change="processTime( event)" in the text input of each time variable. (my
> > process time
> > parses the input". Of course, this requires that I import the ProcessTime
> > function into each
> > component that uses it. I created a new component called TimeInput based
> > on textInput and
> > added a public function processTime.
> >
> > When I try to use this component i.e.
> >
> >
> > I get the error "call to possibly undefined method"
> >
> > Help
> >
> > Thanks
> > Bruce
> >
> >
> >
>
>
>
> --
> What goes up, does come down.
>
-- What goes up, does come down.
__._,_.___
--
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FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt
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Change settings via email: Switch delivery to Daily Digest | Switch to Fully Featured
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__,_._,___
[flexcoders] Re: can NOT call method in component
Well Thanks, of course, it works FINE now, with your suggestion.
Now here is the important question..
I feel like I know flex pretty well (not too difficult to figure out how all of
the components
work...maybe a 9 on a 0 - 10 scale).
However, my actionscript knowledge seems to be a 1 MINUS!. I would have had NO
idea to
look for the createChildren function. where the heck do I learn that info?
would going to
MAXX help ?? any books you want to recomend? (wanna consult for $$$ ??? )
Bruce
--- In flexcoders@yahoogroups.com, "Michael Schmalle" <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> Since you are instantiating the component in an Application, the scope is
> off,
>
>
>
> needs to be
>
>
>
> I know that isnt what you wanted to here but the scope always refers to the
> application everywhere except a component tag.
>
> Why don't you add a listener in you custom component say in createChilren()
>
> IE
>
> override proected function createChildren():void
> {
>super.createChildren();
>addEventListener(Event.CHANGE, processTime, false, 0, true);
> }
>
>
> Peace, Mike
>
> On 10/3/06, boy_trike <[EMAIL PROTECTED]> wrote:
> >
> > in my application, i am asking for time input in many places. right now
> > I have a
> > change="processTime( event)" in the text input of each time variable. (my
> > process time
> > parses the input". Of course, this requires that I import the ProcessTime
> > function into each
> > component that uses it. I created a new component called TimeInput based
> > on textInput and
> > added a public function processTime.
> >
> > When I try to use this component i.e.
> >
> >
> > I get the error "call to possibly undefined method"
> >
> > Help
> >
> > Thanks
> > Bruce
> >
> >
> >
>
>
>
> --
> What goes up, does come down.
>
--
Flexcoders Mailing List
FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt
Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com
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