ActionScript 3.0 :: Using DataProvider In External Class?
Oct 26, 2009
I am creating a Flash form which will include a drop-down selection menu from which a user may choose their state. I originally accomplished this by adding a ComboBox to the stage and then populated the ComboBox's DataProvider object with an XML listing of all the state names and the corresponding values. Everything works as expected.I have decided, however, that it would make the most sense to create an external class to accomplish the same thing. I have attempted to create such a class using the following code:
package {
import fl.data.DataProvider;
import fl.controls.ComboBox;[code]....
I am new to creating external class files so I am not sure why the new object is not populated with any data.
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Aug 19, 2010
recently, I research for the collection framework, and find LinkedSet(AS3Commons collection framework,it is a good opensource framework) written in ActionScript, but it can't use as dataProvider in ComboBox or DataGrid, because only implements ICollectionView can use as dataProvider. So I want to try if a class implements ICollectionView can work or not. I know Flex has build-in class implements ICollectionView, but I only want to define a class not use build-in class. The class as simple as possible.(can work is enough)
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Jan 28, 2010
I need to use DataProvider class and i cannot find the package that contains it. In all examples I saw they use fl.data, but I'm using flex builder sdk 3.4 beta and it doesn't have such a package.
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Aug 29, 2009
I have a TileList that is fed by a DataProvider. The DataProvider places a source Class (and corresponding MovieClip) into the TileList as visual and interactive objects. [code]...
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Mar 25, 2010
I have a Main.fla which loads Main.as as its document class. In Main.as I have a public function named "Main" which runs a trace. I also have another .as file called Preloader.as, which also has a public function in it, this one named "Preloader" with simple trace in it. I just cannot figure out how to use Preloader() from the Preloader class in Main() from the Main class. Main.as loads up fine when the SWF loads and traces.
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Jul 22, 2009
I'm trying to create a new instance of a MovieClip when the original one has been used. Would sound easy enough. Just use: var
instanceName:ClassName = new ClassName();
the class name/mc in the library im trying to duplicate is MCg1 so
var instanceName:MCg1 = new MCg1(); right?
However, the particular object in the library i'm trying to duplicate has a base class that is an external class file (just to control it's drag drop functionality)... i.e baseclass is not set to the standard flash.display.MovieClip, or whatever the case maybe. So i end out with a: TypeError: Error #1009: Cannot access a property or method of a null object reference.
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Oct 22, 2011
I am trying to access a function in a loaded swf that has external class.. I would like to avoid having to put the function on my "Main" Doc class in the external swf and instead access the function directly from the class
This is what ive tried so far and it's a no dice:
private function startLoad(){
var loader:Loader = new Loader();
var req:URLRequest = new URLRequest("one.swf");
[Code]....
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Jun 27, 2009
Lets say I have Main.swf and sub.swf, and I wanna load sub when I press a button from Main, but sub.swf has its own external class file attached, so here is the problem, when I load sub using loader class and I would get this message from the output panel:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at subScript()
seems loader class can not access sub.swf's external class when sub is being loaded.
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Nov 25, 2010
I have a datagrid with dataProvider property set in MXML as:
dataProvider="{pagedResult.lastResult}"
How do I set the dataprovider in actionscript? I have:
protected function getResult (event:FlexEvent):void {
pagedResult.token = mydata.paged();
adg1.dataProvider = pagedResult.lastResult;
}
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Jul 29, 2010
Normally in Flex you use a collection like ArrayCollection as the dataprovider for components. I often have data stored as a dictionary whose values I would like to use as a dataprovider.
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Feb 7, 2011
i m new in flex and was trying example but getting nothing
[Code]...
i think i m doing something wrong in dataprovider tag reason is when i use dataProvider = "{d}"
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Feb 14, 2011
When setting an arrayCollection as a dataProvider to a comboBox programmatically,if the arrayCollection has just one element,i need to do a small validation[code]..
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Mar 13, 2011
I want to display XML exported from Oracle Database as a chart......
The xml has the following structure :
<ROWSET>
<ROW>
<ORDER_ITEMS_ID>1</ORDER_ITEMS_ID>
[Code]....
I've seen many chart examples using ArrayCollection as DataProvider . using the same way , i tried to set xml . But no results.
how to set an XML as dataprovider ? ( or XMLList or XMLlistcollection )( i'm developing a small app in AIR )
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Jan 19, 2009
can i use a dataprovider with a uiloader. if so is there a special trick? because i can't get it to work
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Sep 14, 2010
I'm having some trouble when using objects in an array for my dataprovider.
Here's the code I'm using...
Code:
for(var i:int=0;i<getLength(obj.responseData.results);i++) {
dpData[i] = new Array();
dpData[i].push({Title: obj.responseData.results[i].titleNoFormatting});
[Code]...
The reason I'm doing it this way is so that I get to set the name of the columns. If I let the object define these, I get things like streetAddress instead of Address, which isn't huge, but still not what I'm after.
When I do it this way though, I just get 0, 1, 2, 3, 4, 5 for the column headers.
So, needless to say, I'm quite confused about what I'm supposed to do to get these objects to show up as strings in the datagrid.
I've tried String(), but that still just gives me the object like before.
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Feb 15, 2011
I'm trying to call an external API which returns XML, and i have no problem doing that.
Afterwards I wanted to refactor my code, and I moved my API call to an external API.as class, but how do i return the XML to my main class?[code]...
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May 14, 2007
If I open a new Flash (AS3) file in Flash CS3 Professional and try to import DataProvider (import fl.data.DataProvider;), I consistantly receive a compiler error (1172: Definition fl.data:DataProvider could not be found).
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Jul 13, 2009
Basically I want to create an Array of data objects at different levels so that it acts like an array of xml objects and I am kind of stuck.
var arr2:Array = new Array();
var ob:Object = new Object();
ob.label = "test";
[code].....
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Jun 23, 2010
I am playing with the dataGrid component in flash..here is t he code I am using to populate 2 lines of code:
My question is: Can someone explain to me why the D in DataProvider is capital everywhere in the script but the last line, where it has to be a lowercase d to work?
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Aug 4, 2010
If I try an use a DataProvider in actionscript in my flex project using FlexBuilder 3:
<mx:Script> <![CDATA[
import fl.data.DataProvider;
I get a compiler error:
[Code]...
There are hundreds of posts on this subject, none with solution. [URL].. has an answer which is meaningless. The mxml page I am developing already has a ComboBox dragged onto it, this does not magically put the DataProvider in a library or similar as implied.
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Sep 30, 2010
I've used the sortOn function (dp.sortOn("cost");) to sort my dataprovider values based on cost. It works great until I get values over 100. Then it thinks that 250 < 50.
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Nov 17, 2010
I try to assign xml as dataprovider to datgrid. The datgrid is inside a moviclip. If i attach that movieclip from current ApplicationDomain, it works. If i try to attach from another ApplicationDomain, it doesnt work. But i can trace the object name and DataProvider (is []). The assigning part doesnt work. any setting issue?
Here is the error,
TypeError: Error #1034: Type Coercion failed: cannot convert fl.data::DataProvider@32377dc1 to fl.data.DataProvider.
I am using CS5 and AS3.
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Apr 5, 2012
I am using a combobox to list the contents of a folder. With a button click I use that combobox.selectedItem to delete that folder. After I delete the data is still in the combobox. How do I go about refreshing that combobox?
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Sep 18, 2009
public function fileBrowse():void {
var success:Boolean = fileRef.browse();
}
[code].....
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Nov 2, 2009
I am trying to get the drop down list of combobox by using a php file. That php file returns an xml string which has been used as data provider for combobox.I followed this thread too but in vain.DetailsI have set the creationComplete attribute of mx:Application to init(). In the init() function i have sent the following HTTPService
<mx:HTTPService id="interfaces" url="interfaces.php" resultFormat="e4x" method="POST">
</mx:HTTPService>
Combo Box:
[code].....
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Feb 11, 2010
I'm trying to set a combobox's dataprovider.I have 2 comboboxes: cb_div and cb_stores.For cb_div, I get to set the data provider correctly with an XML file.Cb_stores' dataprovider is to be set depending on the selected item of cb_div.First, here are my XML files.Data provider for cb_div:
<?xml version="1.0" encoding="UTF-8"?>
<divisions>
<division id="Japan">Japan</division>
[code].....
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Mar 4, 2010
I'm using a HorizontalList control with an XML file as a data provider. This is how the XML looks:
[Code]...
I tried using an array of objects as a dataprovider. The item renderer works and the horizontallist behaves as I expect it to. However, when I use an xml file, it's empty.... I don't know why it's not working.
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Jun 9, 2010
I have a project that was compiled with the Flex 3.2 SDK. One of my components is a combobox, which is bound to a property (called products) in the Cairngorm model. If I insert a new value into model.products, then the combobox immediately shows the new value. Works perfectly.
I then moved to the 3.5 SDK, and running the identical operation causes a problem. Even though the model has been updated (I have verified that this is definately the case), the combobox does not show the new value correctly - it seems to be aware that there is a new item because there is a new row in the combo, but the new row is blank and unselectable. The existing items in the combo are there and selectable (as they should be). If I re-initialising the form (i.e. close and re-open the TitleWindow on which the combo is located), then all the correct values (including the new one) are shown in the combo.
I have swapped back and forth a few times between 3.2 and 3.5 to verify that this is indeed the root cause.
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Sep 5, 2010
What I would like to do is simply add to a dataProvider, but when I do, I get an error. Here's the code I'm trying to run...
dg.dataProvider.addItem(obj.ResultSet.Result[i]);
It's inside a for loop, using i as the integer. It works great doing...dg.dataProvider = obj.ResultSet.Result But that won't work for me, because I need to add to the dataprovider more than once. I'm getting results in batches of 10, and I need to add each batch to the dataProvider when it's received. I also tried to to do...
var dgDP:dataProvider = new dataProvider(); But for some reason Flex doesn't recognize it...
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Jan 10, 2011
I'm implementing some kind of combobox control (by extending spark.components.supportClasses.DropDownListBase)
Now, inside this control; I need to know:
If the dataprovider is changed/assigned. (which I can do... the first approach below works); if any item in the dataprovider collection has changed.
I tried 2 methods that did not do the trick...
1ST APPROACH:
2ND APPROACH:
UPDATE: Edited above.. The first approach lets me know if the dataprovider is changed but not if any item is updated in the dataprovider collection. The second approach does not work at all..
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