Re: [flexcoders] Re: help with setInterval...

2005-04-24 Thread dave buhler

Indeed, I stand corrected.

Many thanks Abdul.

Dave

On 4/23/05, Abdul Qabiz [EMAIL PROTECTED] wrote:
 Hi,
 
 However, I'm still unable to do the following:
 Call a setInterval within a class. Have the setInterval pass over a
 number. And the function called increment that number. Pass this new
 number to a textfield object.
 If I call:
 setInterval(this,somefunction, 1000, 5)
 function somefunction ( e : Number) {
  e++
 mx.controls.Alert.show(e)
 // shows 6
 }
 
 I think, it would trace 6 repeatedly over the interval. And I feel that
 there is no reason it won't work.
 
 I just created a sample to verify if my feelings are right :)
 
 This sample is demonstrating setInterval(..) inside a class. Look at the
 attached files or code later in this mail.
 
 Hope that helps...
 
 -abdul
 
 1) ##Counter.as##
 
 import mx.core.UIObject;
 
 [Event(start)]
 [Event(increment)]
 [Event(stop)]
 
 class Counter extends UIObject
 {
 
 var counterIntervalId:Number;
 var __delay:Number = 50;
 var __min:Number = 0;
 var __max:Number = 100;
 var __count:Number = 0;
 var running:Boolean = false;
 
 function Counter(delay:Number, min:Number, max:Number)
 {
 
 __min = min ? min : 0;
 __max = max ? max : 100;
 __delay = delay ? delay : 50;
 }
 
 function startCounter():Void
 {
 
 __count = 0;
 running = true;
 dispatchEvent({type:start});
 counterIntervalId = setInterval(this,incrementCount, __delay,
 __min);
 
 //you can also do this:
 //counterIntervalId =
 setInterval(mx.utils.Delegate.create(this,incrementCount), __delay, __min);
 
 }
 
 function incrementCount(num):Void
 {
   if(__count  __max)
   {
 
 //un-comment the following to see setInterval(..) passes same
 number agian and again
// mx.controls.Alert.show(num.toString());
 __count++;
 dispatchEvent({type:increment});
   }
   else
   {
   stopCounter();
   }
 
 }
 
 function stopCounter():Void
 {
 clearInterval(counterIntervalId);
 __count = 0;
 running = false
 dispatchEvent({type:stop});
 }
 
 function get min():Number
 {
 return __min;
 }
 function set min(newValue:Number):Void
 {
 __min = newValue;
 }
 
 function get max():Number
 {
 return __max;
 }
 function set max(newValue:Number):Void
 {
 __max = newValue;
 }
 function get value():Number
 {
 return __count;
 }
 
 }
 
 2) ##setIntervalExample.mxml##
 
 ?xml version=1.0 encoding=iso-8859-1?
 mx:Application width=800 height=600
 xmlns:mx=http://www.macromedia.com/2003/mxml;  initialize=onAppInit()
 
 mx:Script
 ![CDATA[
 
 import Counter;
 import mx.utils.Delegate;
 
 var counter:Counter;
 
 function onAppInit()
 {
 counter = new Counter();
 changeLimit();
 
 counter.addEventListener(start, Delegate.create(this,
 onCounterStart));
 counter.addEventListener(increment, Delegate.create(this,
 onCounterIncrement));
 counter.addEventListener(stop, Delegate.create(this,
 onCounterStop));
 }
 
 function onCounterStart(event)
 {
 _ta.text +=Counter started..\n;
 }
 function onCounterIncrement(event)
 {
 _ta.text += event.target.value + \n;
 }
 function onCounterStop(event)
 {
 _ta.text += Counter stopped...\n;
 }
 
 function changeLimit()
 {
 counter.min = slider.values[0];
 counter.max = slider.values[1];
 }
 
 ]]
 /mx:Script
 mx:HBox
 mx:Label text=Count:/mx:TextArea id=_ta width=300
 height=150 /
 /mx:HBox
 mx:HBox
 
 mx:Button label=Start Counter click=counter.startCounter();
 enabled={!counter.running}/
 mx:Button label=Stop Counter click=counter.stopCounter();
 enabled={counter.running}/
 
 /mx:HBox
 mx:HSlider id=slider
toolTipPlacement=top
 
thumbCount=2
labels=['min', 'max']
values=[0, 100]
snapInterval=1
change=changeLimit();
allowTrackClick=true
maximum=1000
minimum=0/
 /mx:Application
 
 
 -Original Message-
 From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
 Sent: Saturday, April 23, 2005 7:22 AM
 To: flexcoders@yahoogroups.com
 Subject: Re: [flexcoders] Re: help with setInterval...
 
 Hi Abdul,
 
 I ran into a similar issue. In short, whether my code was not scoped
 in an MXML file or whether it was within a class, I could not pass

Re: [flexcoders] Re: help with setInterval...

2005-04-23 Thread michael keirnan







heh, yeah i misplaced a paren on purpose to see who was paying
attention. ;) and if you believe that 

 /mgk

Abdul Qabiz wrote:

  Hi terry_hrtn,

Can you post the entire code now? I would like to see why it's not working. 

Correcting Michael's suggestion:

setInterval(mx.utils.Delegate.create(this, upCount), 1000);


I just tested your code after resolving scope issues, it works fine for
me

-abdul


-Original Message-
From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] 
Sent: Saturday, April 23, 2005 12:31 AM
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] Re: help with setInterval...


Does not work.

On 4/12/05, michael keirnan [EMAIL PROTECTED] wrote:
  
  
it would be good to go through the Flex UG sections on scoping and event
listeners. in the long run understanding scope is invaluable. in your
test case the following might work:

  setInterval(mx.utils.Delegate.create(this, upCount, 1000);

   /mgk

terry_hrtn wrote:



  Matt...now I'm getting the message below in the debug file...any
suggestions.

Warning: [type Function] is not a function
  at ()

--- In flexcoders@yahoogroups.com, Matt Chotin [EMAIL PROTECTED] wrote:


  
  
You're having scope issues.  setInterval(this, "upCount", 1000);



More info here:
http://livedocs.macromedia.com/flex/15/flex_docs_en/1662.htm
http://livedocs.macromedia.com/flex/15/flex_docs_en/1662.htm



Matt



 _

From: terry_hrtn [mailto:[EMAIL PROTECTED]...]
Sent: Monday, April 11, 2005 10:03 AM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] help with setInterval...




Needing some help with setInterval...
Can someone tell me why "setInterval" calls the "upCount" function
but does not update label on screen?

?xml version="1.0" encoding="utf-8"?
mx:Application xmlns:mx="http://www.macromedia.com/2003/mxml
http://www.macromedia.com/2003/mxml " 
 mx:Script
 ![CDATA[

   var nCnt : Number = 0;
   var lClock : Number = -1;

   function startClock()
   {
 btStart.enabled = false;
 btStop.enabled = true;

 upCount();
 lClock = setInterval(upCount,1000);

 lbClockStat.text = 'Started! (' + lClock
+ ')';
   }

   function upCount()
   {
 nCnt += 1;
 lbShow.text = 'Count: ' + nCnt;
   }

   function stopClock()
   {
 lbClockStat.text = "Stopped at " + nCnt;
 nCnt = 0;
 btStop.enabled = false;
 btStart.enabled = true;
 clearInterval(lClock);
   }


 ]]
 /mx:Script
 mx:Panel width="304" height="121" 
   mx:Label id="lbShow" text="start" /
   mx:HBox
 mx:Button id="btStart" label="Start Clock"
click="startClock()" /
 mx:Button id="btStop" label="Stop Clock"
click="stopClock()" enabled="false" /
   /mx:HBox
   mx:Label id="lbClockStat" /
 /mx:Panel
/mx:Application






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RE: [flexcoders] Re: help with setInterval...

2005-04-22 Thread Abdul Qabiz

Hi terry_hrtn,

Can you post the entire code now? I would like to see why it's not working. 

Correcting Michael's suggestion:

setInterval(mx.utils.Delegate.create(this, upCount), 1000);


I just tested your code after resolving scope issues, it works fine for
me

-abdul


-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] 
Sent: Saturday, April 23, 2005 12:31 AM
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] Re: help with setInterval...


Does not work.

On 4/12/05, michael keirnan [EMAIL PROTECTED] wrote:
 
 it would be good to go through the Flex UG sections on scoping and event
 listeners. in the long run understanding scope is invaluable. in your
 test case the following might work:
 
   setInterval(mx.utils.Delegate.create(this, upCount, 1000);
 
/mgk
 
 terry_hrtn wrote:
 
 Matt...now I'm getting the message below in the debug file...any
 suggestions.
 
 Warning: [type Function] is not a function
at ()
 
 --- In flexcoders@yahoogroups.com, Matt Chotin [EMAIL PROTECTED] wrote:
 
 
 You're having scope issues.  setInterval(this, upCount, 1000);
 
 
 
 More info here:
 http://livedocs.macromedia.com/flex/15/flex_docs_en/1662.htm
 http://livedocs.macromedia.com/flex/15/flex_docs_en/1662.htm
 
 
 
 Matt
 
 
 
   _
 
 From: terry_hrtn [mailto:[EMAIL PROTECTED]
 Sent: Monday, April 11, 2005 10:03 AM
 To: flexcoders@yahoogroups.com
 Subject: [flexcoders] help with setInterval...
 
 
 
 
 Needing some help with setInterval...
 Can someone tell me why setInterval calls the upCount function
 but does not update label on screen?
 
 ?xml version=1.0 encoding=utf-8?
 mx:Application xmlns:mx=http://www.macromedia.com/2003/mxml
 http://www.macromedia.com/2003/mxml  
   mx:Script
   ![CDATA[
 
 var nCnt : Number = 0;
 var lClock : Number = -1;
 
 function startClock()
 {
   btStart.enabled = false;
   btStop.enabled = true;
 
   upCount();
   lClock = setInterval(upCount,1000);
 
   lbClockStat.text = 'Started! (' + lClock
 + ')';
 }
 
 function upCount()
 {
   nCnt += 1;
   lbShow.text = 'Count: ' + nCnt;
 }
 
 function stopClock()
 {
   lbClockStat.text = Stopped at  + nCnt;
   nCnt = 0;
   btStop.enabled = false;
   btStart.enabled = true;
   clearInterval(lClock);
 }
 
 
   ]]
   /mx:Script
   mx:Panel width=304 height=121 
 mx:Label id=lbShow text=start /
 mx:HBox
   mx:Button id=btStart label=Start Clock
 click=startClock() /
   mx:Button id=btStop label=Stop Clock
 click=stopClock() enabled=false /
 /mx:HBox
 mx:Label id=lbClockStat /
   /mx:Panel
 /mx:Application
 
 
 
 
 
 
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Re: [flexcoders] Re: help with setInterval...

2005-04-22 Thread dave buhler

Hi Abdul,

I ran into a similar issue. In short, whether my code was not scoped
in an MXML file or whether it was within a class, I could not pass
over a parameter (a number in my case) and have the function called by
the setInterval reference the parameter passed over  more than 1x.

With Terry's problem, I had experienced something similar using
Cairngorm with Flex. I could not get my textfield (or label) to update
if I called a function that called a setInterval. If I called the
function directly it worked. I fixed this when I stuck the code in a
class and specified the object with view.MyTextfield.text.

However, I'm still unable to do the following:

Call a setInterval within a class. Have the setInterval pass over a
number. And the function called increment that number. Pass this new
number to a textfield object.

If I call:

setInterval(this,somefunction, 1000, 5)

function somefunction ( e : Number) {
 e++
mx.controls.Alert.show(e)
// shows 6
}


My code is at work, but the above is what I remember as having not worked.
It works if I set a default value within the function. But as a
parameter, the value fails.

Best,
Dave


 
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Re: [flexcoders] Re: help with setInterval...

2005-04-22 Thread dave buhler

Does not work.

On 4/12/05, michael keirnan [EMAIL PROTECTED] wrote:
 
 it would be good to go through the Flex UG sections on scoping and event
 listeners. in the long run understanding scope is invaluable. in your
 test case the following might work:
 
   setInterval(mx.utils.Delegate.create(this, upCount, 1000);
 
/mgk
 
 terry_hrtn wrote:
 
 Matt...now I'm getting the message below in the debug file...any
 suggestions.
 
 Warning: [type Function] is not a function
at ()
 
 --- In flexcoders@yahoogroups.com, Matt Chotin [EMAIL PROTECTED] wrote:
 
 
 You're having scope issues.  setInterval(this, upCount, 1000);
 
 
 
 More info here:
 http://livedocs.macromedia.com/flex/15/flex_docs_en/1662.htm
 http://livedocs.macromedia.com/flex/15/flex_docs_en/1662.htm
 
 
 
 Matt
 
 
 
   _
 
 From: terry_hrtn [mailto:[EMAIL PROTECTED]
 Sent: Monday, April 11, 2005 10:03 AM
 To: flexcoders@yahoogroups.com
 Subject: [flexcoders] help with setInterval...
 
 
 
 
 Needing some help with setInterval...
 Can someone tell me why setInterval calls the upCount function
 but does not update label on screen?
 
 ?xml version=1.0 encoding=utf-8?
 mx:Application xmlns:mx=http://www.macromedia.com/2003/mxml
 http://www.macromedia.com/2003/mxml  
   mx:Script
   ![CDATA[
 
 var nCnt : Number = 0;
 var lClock : Number = -1;
 
 function startClock()
 {
   btStart.enabled = false;
   btStop.enabled = true;
 
   upCount();
   lClock = setInterval(upCount,1000);
 
   lbClockStat.text = 'Started! (' + lClock
 + ')';
 }
 
 function upCount()
 {
   nCnt += 1;
   lbShow.text = 'Count: ' + nCnt;
 }
 
 function stopClock()
 {
   lbClockStat.text = Stopped at  + nCnt;
   nCnt = 0;
   btStop.enabled = false;
   btStart.enabled = true;
   clearInterval(lClock);
 }
 
 
   ]]
   /mx:Script
   mx:Panel width=304 height=121 
 mx:Label id=lbShow text=start /
 mx:HBox
   mx:Button id=btStart label=Start Clock
 click=startClock() /
   mx:Button id=btStop label=Stop Clock
 click=stopClock() enabled=false /
 /mx:HBox
 mx:Label id=lbClockStat /
   /mx:Panel
 /mx:Application
 
 
 
 
 
 
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RE: [flexcoders] Re: help with setInterval...

2005-04-22 Thread Abdul Qabiz
Hi,

However, I'm still unable to do the following:
Call a setInterval within a class. Have the setInterval pass over a
number. And the function called increment that number. Pass this new
number to a textfield object.
If I call:
setInterval(this,somefunction, 1000, 5)
function somefunction ( e : Number) {
 e++
mx.controls.Alert.show(e)
// shows 6
}

I think, it would trace 6 repeatedly over the interval. And I feel that
there is no reason it won't work.

I just created a sample to verify if my feelings are right :)

This sample is demonstrating setInterval(..) inside a class. Look at the
attached files or code later in this mail.

Hope that helps...

-abdul


1) ##Counter.as##

import mx.core.UIObject;

[Event(start)]
[Event(increment)]
[Event(stop)]

class Counter extends UIObject
{

var counterIntervalId:Number;
var __delay:Number = 50;
var __min:Number = 0;
var __max:Number = 100;
var __count:Number = 0;
var running:Boolean = false;

function Counter(delay:Number, min:Number, max:Number)
{

__min = min ? min : 0;
__max = max ? max : 100;
__delay = delay ? delay : 50;
}

function startCounter():Void
{

__count = 0;
running = true;
dispatchEvent({type:start});
counterIntervalId = setInterval(this,incrementCount, __delay,
__min);

//you can also do this:
//counterIntervalId =
setInterval(mx.utils.Delegate.create(this,incrementCount), __delay, __min);

}

function incrementCount(num):Void
{
  if(__count  __max) 
  {

//un-comment the following to see setInterval(..) passes same
number agian and again
   // mx.controls.Alert.show(num.toString());
__count++;
dispatchEvent({type:increment});  
  }
  else
  {
  stopCounter();
  }
  
}

function stopCounter():Void
{
clearInterval(counterIntervalId);
__count = 0;
running = false
dispatchEvent({type:stop});
}

function get min():Number
{
return __min;
}
function set min(newValue:Number):Void
{
__min = newValue;
}

function get max():Number
{
return __max;
}
function set max(newValue:Number):Void
{
__max = newValue;
}
function get value():Number
{
return __count;
}

}



2) ##setIntervalExample.mxml##

?xml version=1.0 encoding=iso-8859-1?
mx:Application width=800 height=600
xmlns:mx=http://www.macromedia.com/2003/mxml;  initialize=onAppInit()

mx:Script
![CDATA[

import Counter;
import mx.utils.Delegate;

var counter:Counter;

function onAppInit()
{
counter = new Counter();
changeLimit();

counter.addEventListener(start, Delegate.create(this,
onCounterStart));
counter.addEventListener(increment, Delegate.create(this,
onCounterIncrement));
counter.addEventListener(stop, Delegate.create(this,
onCounterStop));
}

function onCounterStart(event)
{
_ta.text +=Counter started..\n;
}
function onCounterIncrement(event)
{
_ta.text += event.target.value + \n;
}
function onCounterStop(event)
{
_ta.text += Counter stopped...\n;
}

function changeLimit()
{
counter.min = slider.values[0];
counter.max = slider.values[1];
}


]]
/mx:Script
mx:HBox
mx:Label text=Count:/mx:TextArea id=_ta width=300
height=150 /
/mx:HBox
mx:HBox

mx:Button label=Start Counter click=counter.startCounter();
enabled={!counter.running}/
mx:Button label=Stop Counter click=counter.stopCounter();
enabled={counter.running}/

/mx:HBox
mx:HSlider id=slider
   toolTipPlacement=top

   thumbCount=2
   labels=['min', 'max']
   values=[0, 100]
   snapInterval=1
   change=changeLimit();
   allowTrackClick=true
   maximum=1000
   minimum=0/
/mx:Application





-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] 
Sent: Saturday, April 23, 2005 7:22 AM
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] Re: help with setInterval...


Hi Abdul,

I ran into a similar issue. In short, whether my code was not scoped
in an MXML file or whether it was within a class, I could not pass
over a parameter (a number in my case) and have the function

Re: [flexcoders] Re: help with setInterval...

2005-04-12 Thread michael keirnan

it would be good to go through the Flex UG sections on scoping and event 
listeners. in the long run understanding scope is invaluable. in your 
test case the following might work:

  setInterval(mx.utils.Delegate.create(this, upCount, 1000);


   /mgk

terry_hrtn wrote:

Matt...now I'm getting the message below in the debug file...any 
suggestions. 

Warning: [type Function] is not a function
   at ()

--- In flexcoders@yahoogroups.com, Matt Chotin [EMAIL PROTECTED] wrote:
  

You're having scope issues.  setInterval(this, upCount, 1000);

 

More info here:
http://livedocs.macromedia.com/flex/15/flex_docs_en/1662.htm
http://livedocs.macromedia.com/flex/15/flex_docs_en/1662.htm 

 

Matt

 

  _  

From: terry_hrtn [mailto:[EMAIL PROTECTED] 
Sent: Monday, April 11, 2005 10:03 AM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] help with setInterval...

 


Needing some help with setInterval...
Can someone tell me why setInterval calls the upCount function 
but does not update label on screen?

?xml version=1.0 encoding=utf-8?
mx:Application xmlns:mx=http://www.macromedia.com/2003/mxml
http://www.macromedia.com/2003/mxml  
  mx:Script
  ![CDATA[
  
var nCnt : Number = 0;
var lClock : Number = -1;

function startClock()
{
  btStart.enabled = false;
  btStop.enabled = true;
  
  upCount();
  lClock = setInterval(upCount,1000);
  
  lbClockStat.text = 'Started! (' + lClock 
+ ')';
}

function upCount()
{
  nCnt += 1;
  lbShow.text = 'Count: ' + nCnt;
}

function stopClock()
{
  lbClockStat.text = Stopped at  + nCnt;
  nCnt = 0;
  btStop.enabled = false;
  btStart.enabled = true;
  clearInterval(lClock);
}

  
  ]]
  /mx:Script
  mx:Panel width=304 height=121 
mx:Label id=lbShow text=start /
mx:HBox
  mx:Button id=btStart label=Start Clock 
click=startClock() /
  mx:Button id=btStop label=Stop Clock 
click=stopClock() enabled=false /
/mx:HBox
mx:Label id=lbClockStat /
  /mx:Panel
/mx:Application






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[flexcoders] Re: help with setInterval...

2005-04-11 Thread terry_hrtn


Matt...now I'm getting the message below in the debug file...any 
suggestions. 

Warning: [type Function] is not a function
at ()

--- In flexcoders@yahoogroups.com, Matt Chotin [EMAIL PROTECTED] wrote:
 You're having scope issues.  setInterval(this, upCount, 1000);
 
  
 
 More info here:
 http://livedocs.macromedia.com/flex/15/flex_docs_en/1662.htm
 http://livedocs.macromedia.com/flex/15/flex_docs_en/1662.htm 
 
  
 
 Matt
 
  
 
   _  
 
 From: terry_hrtn [mailto:[EMAIL PROTECTED] 
 Sent: Monday, April 11, 2005 10:03 AM
 To: flexcoders@yahoogroups.com
 Subject: [flexcoders] help with setInterval...
 
  
 
 
 Needing some help with setInterval...
 Can someone tell me why setInterval calls the upCount function 
 but does not update label on screen?
 
 ?xml version=1.0 encoding=utf-8?
 mx:Application xmlns:mx=http://www.macromedia.com/2003/mxml
 http://www.macromedia.com/2003/mxml  
   mx:Script
   ![CDATA[
   
 var nCnt : Number = 0;
 var lClock : Number = -1;
 
 function startClock()
 {
   btStart.enabled = false;
   btStop.enabled = true;
   
   upCount();
   lClock = setInterval(upCount,1000);
   
   lbClockStat.text = 'Started! (' + lClock 
 + ')';
 }
 
 function upCount()
 {
   nCnt += 1;
   lbShow.text = 'Count: ' + nCnt;
 }
 
 function stopClock()
 {
   lbClockStat.text = Stopped at  + nCnt;
   nCnt = 0;
   btStop.enabled = false;
   btStart.enabled = true;
   clearInterval(lClock);
 }
 
   
   ]]
   /mx:Script
   mx:Panel width=304 height=121 
 mx:Label id=lbShow text=start /
 mx:HBox
   mx:Button id=btStart label=Start Clock 
 click=startClock() /
   mx:Button id=btStop label=Stop Clock 
 click=stopClock() enabled=false /
 /mx:HBox
 mx:Label id=lbClockStat /
   /mx:Panel
 /mx:Application
 
 
 
 
 
 
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