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Thread: as2 xml proxy
as2 xml proxy
country flaguser name
Belgium		 2007-10-22 10:57:24 

  


  

    
Hi List,




I came up with a xml proxy class after reading some blogs on the net
about patterns and as3

it works nicely for view - model communications since updating data is
out of the question in this relationship



you can use it as like this:




var dataxml:XML = new XML( '<test id="1"><label&gt;hallo
world</label><descr>very big world
indeed</descr></test>' );

var proxyataProxy = new DataProxy( dataxml );

value = proxy.getLabel();

OR LIKE THIS

value = proxy.label;





import be.netdust.site.data.IData;

import mx.utils.XPathAPI;



dynamic class be.netdust.core.proxy.DataProxy

{

 ; &nbsp;  &nbsp;  

 &nbsp;  public function DataProxy( data ) {

   ;  &nbsp;  _data = data;

&nbsp; &nbsp; }; &nbsp;  

 &nbsp;  

 &nbsp;  public function __resolve( _sProxyCall:String ) { &nbsp;  

 &nbsp;   &nbsp;  if( _sProxyCall.indexOf("get") != -1 ) {

   ;  &nbsp;   &nbsp;  var field:String = _sProxyCall.substr(3).toLowerCase();

&nbsp; &nbsp;  &nbsp;   &nbsp;  var pataProxy = this;

&nbsp; &nbsp;  &nbsp;   &nbsp;  return function() {

   ;  &nbsp;   &nbsp;   &nbsp;  return p["_resolvexml"].apply( p, [field] );

 ; &nbsp;  &nbsp;   &nbsp;  }

   ;  &nbsp;  }

   ;  &nbsp;  else return _resolvexml( _sProxyCall );

 ; &nbsp; };

 ; &nbsp;  &nbsp;  

 &nbsp;  private function _resolvexml( _sProxyCall:String ) {

   ;  &nbsp;  

 &nbsp;   &nbsp;  var _resultset:Array = XPathAPI.selectNodeList(
_data.firstChild, "/*/"+_sProxyCall );



&nbsp; &nbsp;  &nbsp;  if( _resultset.length == 0 ) {

   ;  &nbsp;   &nbsp;  throw new Error( "datamodel has no field property called "+
_sProxyCall );

 ; &nbsp;  &nbsp;   &nbsp;  return null;

&nbsp; &nbsp;  &nbsp;  };

 ; &nbsp;  &nbsp;  if( _resultset.length == 1 ) return
_resultset[0].firstChild.nodeValue;



 ; &nbsp;  &nbsp;  // create value array from nodelist;

 &nbsp;   &nbsp;  var _valuearray:Array = [];

&nbsp; &nbsp;  &nbsp;  while( _resultset.length ) {

   ;  &nbsp;   &nbsp;  _valuearray.push( _resultset.shift().firstChild.nodeValue );

 ; &nbsp;  &nbsp;  }; &nbsp;  

 &nbsp;   &nbsp;  return _valuearray; &nbsp;   &nbsp;  

 &nbsp;  };

 ; &nbsp; 

 &nbsp;  private var _api;

&nbsp; &nbsp; private var _data;

&nbsp;   

};



  

  
  
   
     
    

  

    Re:  as2 xml proxy
  


  

     user name

     2007-10-23 03:38:49
  


  

    

  


  

    Hi there Stefan, 
cool stuff...just one thing, thou. The import statement throw an error, for me is 
import mx.xpath.XPathAPI; 
and not 


import mx.utils.XPathAPI;

thnxs for sharing!

regards, goliatone


On 10/22/07, Stefan Vandermeulen < mailnetdust.be">
mailnetdust.be> wrote:






Hi List,




I came up with a xml proxy class after reading some blogs on the net
about patterns and as3

it works nicely for view - model communications since updating data is
out of the question in this relationship



you can use it as like this:




var dataxml:XML = new XML( '<test id="1">&lt;label>;hallo
world</label><descr>very big world
indeed</descr></test>9; );

var proxyataProxy = new DataProxy( dataxml );

value = proxy.getLabel();

OR LIKE THIS

value = proxy.label;





import be.netdust.site.data.IData;

import mx.utils.XPathAPI;



dynamic class be.netdust.core.proxy.DataProxy

{

 ; &nbsp;  &nbsp;  

 &nbsp;  public function DataProxy( data ) {

   ;  &nbsp;  _data = data;

&nbsp; &nbsp; }; &nbsp;  

 &nbsp;  

 &nbsp;  public function __resolve( _sProxyCall:String ) { &nbsp;  

 &nbsp;   &nbsp;  if( _sProxyCall.indexOf(&quot;get&quot;) != -1 ) {

   ;  &nbsp;   &nbsp;  var field:String = _sProxyCall.substr(3).toLowerCase();

&nbsp; &nbsp;  &nbsp;   &nbsp;  var pataProxy = this;

&nbsp; &nbsp;  &nbsp;   &nbsp;  return function() {

   ;  &nbsp;   &nbsp;   &nbsp;  return p["_resolvexml&quot;].apply( p, [field] );

 ; &nbsp;  &nbsp;   &nbsp;  }

   ;  &nbsp;  }

   ;  &nbsp;  else return _resolvexml( _sProxyCall );

 ; &nbsp; };

 ; &nbsp;  &nbsp;  

 &nbsp;  private function _resolvexml( _sProxyCall:String ) {

   ;  &nbsp;  

 &nbsp;   &nbsp;  var _resultset:Array = XPathAPI.selectNodeList(
_data.firstChild, "/*/&quot;+_sProxyCall );



&nbsp; &nbsp;  &nbsp;  if( _resultset.length == 0 ) {

   ;  &nbsp;   &nbsp;  throw new Error( "datamodel has no field property called "+
_sProxyCall );

 ; &nbsp;  &nbsp;   &nbsp;  return null;

&nbsp; &nbsp;  &nbsp;  };

 ; &nbsp;  &nbsp;  if( _resultset.length == 1 ) return
_resultset[0].firstChild.nodeValue;



 ; &nbsp;  &nbsp;  // create value array from nodelist;

 &nbsp;   &nbsp;  var _valuearray:Array = [];

&nbsp; &nbsp;  &nbsp;  while( _resultset.length ) {

   ;  &nbsp;   &nbsp;  _valuearray.push( _resultset.shift().firstChild.nodeValue );

 ; &nbsp;  &nbsp;  }; &nbsp;  

 &nbsp;   &nbsp;  return _valuearray; &nbsp;   &nbsp;  

 &nbsp;  };

 ; &nbsp; 

 &nbsp;  private var _api;

&nbsp; &nbsp; private var _data;

&nbsp;   

};






_______________________________________________
Pixlib mailing list
osflash.org">Pixlibosflash.org

http://osflash.org/mailman/listinfo/pixlib_osflash.org




-- 
Emiliano Burgos
Flash Designer&amp;Developer
 burgosemipaginaswebflash.com">burgosemipaginaswebflash.com

www.paginaswebflash.com


  

  
  
   
     
    

  

    Re:  as2 xml proxy
  


  

     country flaguser name
Belgium		
     2007-10-23 03:52:47
  


  

    

  


  

    
yes, i know, sorry about that :(

i had to change the path of the files because flashdevelop wouldn't
import mx.xpath.XPathAPI

does anybody use flashdevelop here? do you have the same problem?




i'm still working on it too, because i want a decent structure for
datamodels and xml. this way you don't need to parse the whole file
into an object when you load it ( saves some processing... ) but you
can access it as it where an object

when i have a decent structure for this i'll post it again with correct
imports 



grts

s



Emi Burgos
schreef:

mail.gmail.com"
 type="cite">Hi there Stefan, 

cool stuff...just one thing, thou. The import statement throw an error,
for me is 

  import
mx.xpath.XPathAPI; 

and not 

  
import mx.utils.XPathAPI;

  

thnxs for sharing!


  

regards, goliatone

  

  

  
On 10/22/07, Stefan Vandermeulen <netdust.be">
mailnetdust.be> wrote:
  

    
Hi List,

    

I came up with a xml proxy class after reading some blogs on the net
about patterns and as3

it works nicely for view - model communications since updating data is
out of the question in this relationship

    

you can use it as like this:

    

var dataxml:XML = new XML( '<test id="1"><label&gt;hallo
world</label><descr>very big world
indeed</descr></test>' );

var proxyataProxy = new DataProxy( dataxml );

value = proxy.getLabel();

OR LIKE THIS

value = proxy.label;

    

    

import be.netdust.site.data.IData;

import mx.utils.XPathAPI;

    

dynamic class be.netdust.core.proxy.DataProxy

{

 ; &nbsp;  &nbsp;  

 &nbsp;  public function DataProxy( data ) {

   ;  &nbsp;  _data = data;

&nbsp; &nbsp; }; &nbsp;  

 &nbsp;  

 &nbsp;  public function __resolve( _sProxyCall:String ) { &nbsp;  

 &nbsp;   &nbsp;  if( _sProxyCall.indexOf("get") != -1 ) {

   ;  &nbsp;   &nbsp;  var field:String = _sProxyCall.substr(3).toLowerCase();

&nbsp; &nbsp;  &nbsp;   &nbsp;  var pataProxy = this;

&nbsp; &nbsp;  &nbsp;   &nbsp;  return function() {

   ;  &nbsp;   &nbsp;   &nbsp;  return p["_resolvexml"].apply( p, [field] );

 ; &nbsp;  &nbsp;   &nbsp;  }

   ;  &nbsp;  }

   ;  &nbsp;  else return _resolvexml( _sProxyCall );

 ; &nbsp; };

 ; &nbsp;  &nbsp;  

 &nbsp;  private function _resolvexml( _sProxyCall:String ) {

   ;  &nbsp;  

 &nbsp;   &nbsp;  var _resultset:Array = XPathAPI.selectNodeList(
_data.firstChild, "/*/"+_sProxyCall );

    

 &nbsp;   &nbsp;  if( _resultset.length == 0 ) {

   ;  &nbsp;   &nbsp;  throw new Error( "datamodel has no field property called "+
_sProxyCall );

 ; &nbsp;  &nbsp;   &nbsp;  return null;

&nbsp; &nbsp;  &nbsp;  };

 ; &nbsp;  &nbsp;  if( _resultset.length == 1 ) return
_resultset[0].firstChild.nodeValue;

    

 &nbsp;   &nbsp;  // create value array from nodelist;

 &nbsp;   &nbsp;  var _valuearray:Array = [];

&nbsp; &nbsp;  &nbsp;  while( _resultset.length ) {

   ;  &nbsp;   &nbsp;  _valuearray.push( _resultset.shift().firstChild.nodeValue );

 ; &nbsp;  &nbsp;  }; &nbsp;  

 &nbsp;   &nbsp;  return _valuearray; &nbsp;   &nbsp;  

 &nbsp;  };

 ; &nbsp; 

 &nbsp;  private var _api;

&nbsp; &nbsp; private var _data;

&nbsp;   

};

    
    

    

_______________________________________________

Pixlib mailing list

    osflash.org">Pixlibosflash.org

    http://osflash.org/mailman/listinfo/pixlib_osflash.org

    

  

  

  

  

  

-- 

Emiliano Burgos

Flash Designer&amp;Developer

  paginaswebflash.com">burgosemipaginaswebflash.com
  

  www.paginaswebflash.com
  

_______________________________________________
Pixlib mailing list
osflash.org">Pixlibosflash.org
http://osflash.org/mailman/listinfo/pixlib_osflash.org



__________ NOD32 2608 (20071023) Informatie __________

Dit bericht is gecontroleerd door het NOD32 Antivirus Systeem.
http://www.nod32.nl

  






  

  
  
   
     
    

  

    Re:  as2 xml proxy
  


  

     user name

     2007-10-23 10:24:55
  


  

    

  


  

    Great stuff, 
i will be playing a bit with it...btw, i use Flashdevelop and i do get the same error...

On 10/23/07, Stefan Vandermeulen < mailnetdust.be">
mailnetdust.be> wrote:



  



ok, i finished a structure for datamodels (attachment) using xml.I hope
it&#39;s useful for some and maybe you can comment on it? make it better or
maybe there are better ways to achieve this in as2.

the whole idea is not to parse the xml onload, but use it as an object
anyway! making it easy to build models and let views communicate with
it ( eventually )



grtz

stefan



Stefan Vandermeulen schreef:


  
yes, i know, sorry about that :(

i had to change the path of the files because flashdevelop wouldn';t
import mx.xpath.XPathAPI

does anybody use flashdevelop here? do you have the same problem?


  

i'm still working on it too, because i want a decent structure for
datamodels and xml. this way you don't need to parse the whole file
into an object when you load it ( saves some processing... ) but you
can access it as it where an object

when i have a decent structure for this i'll post it again with correct
imports 

  

grts

s

  

  Emi Burgos
schreef:
  
Hi there Stefan, 

cool stuff...just one thing, thou. The import statement throw an error,
for me is 

    import
mx.xpath.XPathAPI; 

and not 

    import mx.utils.XPathAPI;

    

thnxs for sharing!


    

regards, goliatone

    

    

    
On 10/22/07, Stefan Vandermeulen < mailnetdust.be" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">
mailnetdust.be> wrote:
    

      
Hi List,

      

I came up with a xml proxy class after reading some blogs on the net
about patterns and as3

it works nicely for view - model communications since updating data is
out of the question in this relationship

      

you can use it as like this:

      

var dataxml:XML = new XML( '<test id="1">&lt;label>;hallo
world</label><descr>very big world
indeed</descr></test>9; );

var proxyataProxy = new DataProxy( dataxml );

value = proxy.getLabel();

OR LIKE THIS

value = proxy.label;

      

      

import be.netdust.site.data.IData;

import mx.utils.XPathAPI;

      

dynamic class be.netdust.core.proxy.DataProxy

{

 ; &nbsp;  &nbsp;  

 &nbsp;  public function DataProxy( data ) {

   ;  &nbsp;  _data = data;

&nbsp; &nbsp; }; &nbsp;  

 &nbsp;  

 &nbsp;  public function __resolve( _sProxyCall:String ) { &nbsp;  

 &nbsp;   &nbsp;  if( _sProxyCall.indexOf(&quot;get&quot;) != -1 ) {

   ;  &nbsp;   &nbsp;  var field:String = _sProxyCall.substr(3).toLowerCase();

&nbsp; &nbsp;  &nbsp;   &nbsp;  var pataProxy = this;

&nbsp; &nbsp;  &nbsp;   &nbsp;  return function() {

   ;  &nbsp;   &nbsp;   &nbsp;  return p["_resolvexml&quot;].apply( p, [field] );

 ; &nbsp;  &nbsp;   &nbsp;  }

   ;  &nbsp;  }

   ;  &nbsp;  else return _resolvexml( _sProxyCall );

 ; &nbsp; };

 ; &nbsp;  &nbsp;  

 &nbsp;  private function _resolvexml( _sProxyCall:String ) {

   ;  &nbsp;  

 &nbsp;   &nbsp;  var _resultset:Array = XPathAPI.selectNodeList(
_data.firstChild, "/*/&quot;+_sProxyCall );

      

 &nbsp;   &nbsp;  if( _resultset.length == 0 ) {

   ;  &nbsp;   &nbsp;  throw new Error( "datamodel has no field property called "+
_sProxyCall );

 ; &nbsp;  &nbsp;   &nbsp;  return null;

&nbsp; &nbsp;  &nbsp;  };

 ; &nbsp;  &nbsp;  if( _resultset.length == 1 ) return
_resultset[0].firstChild.nodeValue;

      

 &nbsp;   &nbsp;  // create value array from nodelist;

 &nbsp;   &nbsp;  var _valuearray:Array = [];

&nbsp; &nbsp;  &nbsp;  while( _resultset.length ) {

   ;  &nbsp;   &nbsp;  _valuearray.push( _resultset.shift().firstChild.nodeValue );

 ; &nbsp;  &nbsp;  }; &nbsp;  

 &nbsp;   &nbsp;  return _valuearray; &nbsp;   &nbsp;  

 &nbsp;  };

 ; &nbsp; 

 &nbsp;  private var _api;

&nbsp; &nbsp; private var _data;

&nbsp;   

};

       

      

_______________________________________________

Pixlib mailing list

       Pixlibosflash.org" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">Pixlibosflash.org

      http://osflash.org/mailman/listinfo/pixlib_osflash.org

      

    

    

    

    

    

-- 

Emiliano Burgos

Flash Designer&amp;Developer

     burgosemipaginaswebflash.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">burgosemipaginaswebflash.com
    

    www.paginaswebflash.com
    

_______________________________________________
Pixlib mailing list
 Pixlibosflash.org" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">Pixlibosflash.org
http://osflash.org/mailman/listinfo/pixlib_osflash.org



__________ NOD32 2608 (20071023) Informatie __________

Dit bericht is gecontroleerd door het NOD32 Antivirus Systeem.
http://www.nod32.nl

  

  

  

  

  

__________ NOD32 2608 (20071023) Informatie __________

  

Dit bericht is gecontroleerd door het NOD32 Antivirus Systeem.


  http://www.nod32.nl

  

_______________________________________________
Pixlib mailing list
 Pixlibosflash.org" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">Pixlibosflash.org
http://osflash.org/mailman/listinfo/pixlib_osflash.org



__________ NOD32 2608 (20071023) Informatie __________

Dit bericht is gecontroleerd door het NOD32 Antivirus Systeem.
http://www.nod32.nl

  









_______________________________________________
Pixlib mailing list
osflash.org">Pixlibosflash.org

http://osflash.org/mailman/listinfo/pixlib_osflash.org





-- 
Emiliano Burgos
Flash Designer&amp;Developer
 burgosemipaginaswebflash.com">
burgosemipaginaswebflash.com
www.paginaswebflash.com


  

  
  
   
     
    






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