Flex :: Validate DataGridColumn Cells Individually?

Apr 15, 2012

How can I validate the cells in a DataGridColumn individually? (ActionScript 3.5) The validation is configured per-cell, based on fields in the given row. For example

FIELD VALUE TYPE
age 13 Integer
height 13x3 Integer

[code].....

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[Code]...

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[code].....

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[Code]...

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Flex :: Datagrid - Get The DataGridColumn's DataField In Its ItemRenderer?

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I'm trying to reach the dataField of a DataGridColumn in the itemRenderer. Below is the dataGrid:

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<![CDATA[
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[code].....

In the set data function of the itemRenderer, I receive an entire week (which is ok), but the itemRenderer doesn't know which day to use because the dataField is unknown. Does anyone know how to reach this dataField in the itemRenderer?

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I am unable to compile the following Flex application.All I am trying to do is, to extend DataGridColumn class.I get the following compile error :

Could not resolve to a component implementation.
DataGridColumnTest/src DataGridColumnTest.mxml line 6
DataGridColumnTest.mxml :

[code]........

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Actionscript 3 :: Eliminate Borders On A DataGridColumn In Flex?

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I can't see a way to get rid of certain borders within a DataGrid. I'd like to eliminate a side border on 2 of my columns so that they appear to look like a single column.I'm trying to implement a "clear value" button on each of my DataGrid rows. I was able to have a button show on a custom ItemRenderer from a separate ActionScript file, but I was unsure how to have the button click event propagate to the mxml file where the DataGrid is located. It would be much easier for me to have an extra unresizable column with a 'clear' button.

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I have the following datagrid:

<mx:DataGrid id="question" x="9" y="289" width="100%" height="54" visible="{false}" >
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I need to access the data pointed by the dataField, and bind it to a label, but i don't known how to get it.

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Flex :: Best Way To Validate IP Address In Adobe?

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I'm trying to come up with the optimal solution for validating IP addresses in Adobe Flex. My current solution is to use a regexp validator and look for dotted quad numbers, see code below. For some reason this will also allow an address like "1.2.3.4.5".

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="[URL]"
xmlns:s="library://ns.adobe.com/flex/spark"
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<fx:Script>
[Code] .....

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Flex :: DataGrid Editing Cells In Same Row Not Firing Collection Change Event

Mar 20, 2010

I am using the flex datagrid to allow the user to edit some data. My update process relies on a CollectionEvent of type update. Basically I catch this event package the values and update the database. However, if the user edits a cell then moves to edit a cell in the same row the value is updated but a collection event is not fired. Only when clicking out of the row the event is fired. Has anyone had experience with this. I have heard the datagrid is a little quirky is this one of those quirks or am I doing this all wrong?

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Flex :: DataGridColumn Display Multiline String Data?

Aug 18, 2009

Is it possible to display a multiline string in a Flex DataGridColumn?i.e. Display:

Text line one.
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I've tried putting "

","
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Flex :: Extending DataGridColumn For Custom Sorting Function

Aug 25, 2009

I extended the DataGridColumn because I wanted to include a custom itemToLabel function (to be able to show nested data in the DataGrid. See this question.

Anyways, it also needs a custom sorting function. So I have written the sorting function like so:

private function mySortCompareFunction(obj1:Object, obj2:Object):int{
var currentData1:Object = obj1;
var currentData2:Object = obj2;

[Code].....

Whenever I try to sort the column, I get the error "Error: Find criteria must contain at least one sort field value."

When I debug and step through each step, I see that the first few times, the function is being called correctly, but towards the end, this error occurs.

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Flex :: Accessing DataGridColumn Item Renderer Variable?

Sep 1, 2009

Within a DataGrid, I have a DataGridColumn that uses a custom component as the item renderer. Within the component, I have an ArrayCollection that stores a set of value objects. My problem is that I cannot access the ArrayCollection values from outside of the item renderer component. Does anyone know how it would be possible to do this? I have posted a code snippet below.

<mx:Script>
<![CDATA[
// Cannot access arrFiles from here.

[code].....

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Flex :: Select / Set Style To DataGridColumn After Passing DataProvider

Feb 16, 2010

I have a Datagrid thats being populated by different Arrays... (headers/columns change for the same DataGrid)... I would like to Select a Column of the Datagrid after it was generated by the Dataprovider and Bold it, and place it as the 'last column"

This is what I have.... and throwing an error:
private function populateGrid(evt:Object):void {
dg.dataProvider = evt as Array;
if (dg.columns.length > 0) {
for (var i:int = 0; i < dg.columns.length; i++) {
if (dg.columns[i].dataField == '_user_total') {
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}}}}

This way I would like to have One Datagrid (for different Arrays) )without having the Columns fixed and declared (like in MXML), but dynamic, and would like a 'specific' column to be Bolded, and placed as the last column, in this example, the column with dataField _user_total.

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