I know that an ArrayCollection is a wrapper over an Array, but what I wanted to know is when to choose one over the other? Will the over usage of ArrayCollections result in performance?
View 1 RepliesI'm a bit new to flex and cannot get my head around this problem.
I have a string list path.
path 1 - "one/two/three"
path 2 - "one/two/four"
path 3 - "five/six"
i need an advanced datagrid to show a tree structure like so
one/
...two/
........three/
............four
five/
.......six
but i want to achieve this dynamicall with arrays, objects, or arraycollection (as applicable).I need to loop through each string path using string methods which isnt a problem but how do i create "DYNAMIC" (depth) children?
Difference between the Array and ArrayCollection in Flex?
View 2 RepliesIs there any built in functionality to convert an ArrayCollection to a jagged string array? I have an Arraycollection of objectproxies that I get from a SOAP webservice (asp.net datatable) that I modify and want to send back.
View 1 RepliesI want to give an array index to array collection let say 205 when it is started is it possible to do so in flex or any alternate of this.actually I need to index the objects with a specific no, in 2D array collection
say
205 a c d g f d
268 s g h g f f
805 d g h h f f d
where integers are indexes and alphabets are object referenced by these integers
i extend ArrayCollection class for add push method
package com.cargo.collections
{
import mx.collections.ArrayCollection;
public class DataCollection extends ArrayCollection {
public function DataCollection(source:Array = null) {
super(source);
[Code]...
I need to sort an arraycollection. the problem is that my array is combined from two diffrent arrays, in one the age field is called "AGE", and in the other the age is called "MYAGE".
Now I need to sort the combined array according to age but I got two fields with diffrent names. I can go through the array and change all "MYAGE" to "AGE" but i was wondering if theres maybe a way to sort the array in its current status?
I'm new to Flex and am using TileList bound to an ArrayCollection. The array collection is empty at load time, and then updates with the results from am HTTPService call. The problem is that the item renderers aren't being rendered as expected, I'm guessing because there was no data when they were first rendered at load time. Here's simplified example:
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" >
<mx:Script>
[code].....
I have an arrayCollection with the following structure:
[Code]...
the AC is defined as follows:[Bindable] private var projectErrorsAC:ArrayCollection = new ArrayCollection;
I'm using this AC in a repeater to display each error. After each error is shown, I've placed an "Accept" and "Deny" button. Once the user clicks either one of these buttons, I'd like to call a function that removes the particular error from the AC. Here's what I have so far:
[Code]...
I am attempting to build an array of arrays that will with the following syntax. My output is definitely not what I am trying to achieve. Here is my code:
[Code]...
My output is coming out as 6 references to "Set3". There is obviously something wrong with my for loops, but I can't figure it out.
I have a chart and am trying to display the "volume" in a line chart as the primary series & the "temp" as a column chart as the secondary series...(the "compound" will be shown in the datatip):
[{date=Tue Feb 08 19:00:00 EST 2011, volume=1200, 1={temp=-50, compound=helium}, 0={temp=-45, compound=oxygen}}]
I can get the "volume" series to display fine, but cannot get the "temp" series to display...how do I access them? Right now I have:
<mx:ColumnSeries id="secondSeries" xField="date" yField="temp">
I am running into some trouble adding an array into another array to create a multi-dimensional array.The code appears as below:
var slideDataArray:Array = new Array();
var slideShowDataArray:Array = new Array();
slideDataArray[0] = xmlData.SlideShowParameters.SlideShowImagesDirectory;[code]........
I am looking for a means of placing the slideDataArray into a 'slot' or value of slideShowDataArray so that I can in the end pass the slideShowDataArray as a parameter to another function.As of now, the last slideDataArray appears 11 times (the loop runs 11 times) in slideShowDataArray and the way the code is written the slideDataArray is unique every iteration of the loop.
I was wondering what's the difference between doing [code]However type 2 seems to work, but more people seem to reference type 1
View 1 RepliesI have problems defining indexed array with actionscript. The task is following. I have a board of point objects. I need to store them into one array, so I can access each point using simply it x,y coordinates. for example to get point one I want to be able use points[1][1], etc. I read the doc here [URL], and realized that I don't understand how to initialize array for my needs. (Especially when it can contain from 10 to 15 rows and columns, so it will be quite hard to use following notation: masterTaskList[0] = ["wash dishes", "take out trash"];, as suggested in docs.) What I am doing is:
[Code]....
I am trying to loop through a list of images and then add them to list box with a itemRenderer
public function createDataProvider():ArrayList
{
var a:Array = new Array();
[code].....
I am trying to assign a number to a variable that is dynically generated from a binded array...when i try and assign it and trace it out nothing happens, which means I am obviously doing something wrong but I am not sure? just for fun i decided to bind the data to a label like so...
[Code]...
I have this code to try to acess the values of the array in the arraycollection but it does not work it actually creates a value to the end of the arraycollection. can anyone tell me what im doing wrong i basically whant to modifys the individual arrays in the arraycollection and add Login_user.
Code:
for(var i:int = 0; i< dispArray.length; ++i){
dispArray.addItemAt({"login_user":"XXX"},i);
}
I'm passing a Javascript Array() to Flash via FlashVars but Flash complains. Can you guys point me what am I doing wrong here?
javascript code
// array with the user defined cities
var usercities = new Array(
[code]......
what's a simple way to combine arrays with as3? by combine, i mean that contents of one array are pushed into another array.I already tried a for loop and push.
View 6 Repliesi have two arrays of DesplayObjects and i want to add all the objects in the second array to the end of the first array, i knew that i just can just do a loop and puch em into the array, but i wondered if there was a simple function for doing this?
View 3 RepliesI have a Array of objects which is something like this :
SomeObject (Array)
[0] (object)
id = 1
[code].....
<fx:Array>
<fx:Object name="Jodie" country="UK" language="English"/>
<fx:Object name="Kate" country="USA" language="English"/>
<fx:Object name="David" country="France" language="French"/>
</fx:Array>
But I want to do this dynamically from results that I get from a DB.I have an attendance program and I want the object's names to be "Date","In","Out" and the values to be, of course from the results that I get.
i have a collection looking like this :arr.getItemAt(0).closet.clothes[0].color. the arr is an ArrayCollection data type..the clothes is an Array data type..when i try to bind this to an mxml component , i get a warning :"Data binding will not be able to detect changes when using square bracket([]) operator. For Array, please use ArrayCollection.getItemAt() instead."this is not possible as the Array class has no method getItemAt().
View 0 RepliesIs there a way i can convert my array which is in the below format[code]...
Tricky part here is, i will not know how many values/lables user will enter, so it has to dynamically pick the array's.
I have been working on sorting Arraycollection like ascending , descending the numeric list. Total length of my collection will go up to 100. Now I want to preform sort to nested data like this
Data Structure
Name : String
Categories : Array ["A","x or y or z","C"]
Categories array will have maximum 3 items , out of that three items the second item can have 3 different values either X or Y or Z. My result data looks like here
{"Mike" , ["A","x","C"]}
{"Tim" , ["A","y","C"]}
{"Bob" , ["A","x","C"]}[code]....
anyone please explain how to sort this type of data in a way showing all "x" first , "y" next and "z" at the last and vice a versa.
I have a advanced datagrid and populating some data by using arraycollection. And i am filtering the arraycollection, the arraycollection index got changed.
Arraycollection:- [0] - name: abc
[1] - name: hello
[2] - name: hello1
[3] - name:hai
after filtering the arraycollection as 'hell' , the array collection is displaying like the below:
Arraycollection:-
[0] - name: hello1
[1] - name: hello
Can i know the reason why the index got changed after filter it?
* no server side code for filtering. it is only flex side filtering.
i have a problem using the itemRenderer functionality. When using an ArrayCollection the visible Data in the DataGrid using the itemRenderer will be rendered just fine. But if i start scrolling the entries are repeating in the cells using the renderer. The cells are not filled with date according to the id. What mistake i'm doing here.
I read a lot of the explainations like:
[URL]
here is the code for the set data function (itemRenderer is extending HBox):
override public function set data(value:Object):void {
_data = value;
if(data!=null)
[code]....
Long story short: I want to search a multidimensional array in AS3 for (in this example) the location of 6 strings - all of which are stored in another unrelared array. Long story long: Once I get the locations (in the multidimensional array) of each string, i then know where it's located, and can access other atributes of that object - so if i found the string "box3" is located in element [5] of my multidimensional array, i can now target: multiArray[5][3] to return the 4th item stored (keeping in mind we're starting from 0, so 3 is the 4th position).
I can get this to work once, but I'm trying to set up a for loop based on the length of my basic string storage array - this array holds (in this example) 6 instance name strings - each time my for loop loops, i need to run a search in my multdimensional array for the next consecutive instance name. Then, once I've located all of them (and store the results in a new temporary array) I can dig around in each location for the info I need.
[Code]...
I have quite alots of display objects to manage during runtime, so Im currently using Arrays to manage them. But the problem is I have few many types of displays objects(eg. Tile, Npc and Building) which are basically MovieClips linked to the library. Each display object plays different role where it will be checked on enter frame, a loop.Method 2 sounds much more faster and extensible however Im worried if it would affect the checking rate of each display object during runtime as the displays:Array grow larger and probably making it glitchy.So which one of the following method is faster+less glitchy and explain why you choose it.[code]
View 3 RepliesI've been seaching on how to get the key names of a flex Array as there is no such function in the Array class. Here is my answer that may be usueful to any of you.
View 2 Replies