ActionScript 3.0 :: Flash - DataGridColumn LabelFunction > Accessing Current Data?
Mar 3, 2011
Ok, here's my requirement in short-I have a datagrid that is updated every time data update is received. Now, all I want to do is check if the present value in every cell in a specific datagridcolumn is less than the new value then color that particular cell green, if the present value is greater than the new value then color it red, else leave previous color as it is. Simple?Now, the coloring part is important but comes later. As of now, I need to know how to get present cell data in the labelfunction of the datagridcolumn.
// column is a datagridcolumn
column.labelFunction = function(oData:Object)
{
[code]....
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Mar 7, 2011
I have a datagridcolumn where a labelFunction is defined:
[Code]...
Would it be possible to add an additional parameter so that I could pass the property values for the formatter which I intend to use? Like for example:
[Code]....
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Mar 1, 2010
I have a dataGrid with a custom dataGridColumn having as itemRenderer MyItemRenderer. My problem is that I want from MyItemRenderer to access informations in the dataGridColumn. More exactly I would like for an itemRenderer I would like to know the associated dataGridColumn.
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Aug 16, 2010
I have an itemrenderer used by multiple datagridcolumns and I need to have some condition in the itemrenderer based on the headertext of the datagrid column. Can I access the headertext property from within the itemrenderer?
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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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Dec 4, 2009
I have a DataGrid whose dataProvider is an Array of int Arrays (each with different lengths). Since each row has variable size (and I want to display all the data), I decided to extend DataGridColumn and overwrite the itemToLabel function to be able to display the data. The problem is that I also need to display the data differently depending on the int value.
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Mar 30, 2011
I have a DataGrid where some number of the columns can have a labelFunction. The nature of the labelFunction result can change problematically(eg apply formatting,bypass formatting. How do I get the DataGrid to re-render the visible items so that the labelFunction will be run again to get the new data.I've tried the invalidateDisplayList, validateNow, and tried dispatching ResizeEvents on the DataGrid.
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Aug 18, 2009
Is it possible to display a multiline string in a Flex DataGridColumn?i.e. Display:
Text line one.
Text line two.
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","
"," " when storing the string but nothing seems to work.Currently only "Text line one." is displayed and the rest is hidden in the cell. I would prefer not to use "wordWrap=true" to emulate this behaviour in the cell, but instead be able to manually put in newline breaks (although I could turn on wordWrap to avoid long text from hiding due to cell dimensions).
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Mar 12, 2010
I have a datagrid that uses an array of objects as the data provider. The objects are essentially key/value pairs:
{ foo:"something"}
{ bar:"hello"}
{ caca:"lorem"}
The datagrid has 2 columns. The first column is the key and the second column is the value. Right now my grid looks like:
My dataFormatter function makes sure that depending on the column (i.e. the dataField value) the correct key or value gets printed out. This works fine for displaying. However, as soon as I try and edit the value field it essentially adds a new value into the object with a key of '1'. For example, if I edit the {caca:"lorem"} object it will then contain the value {caca:"lorem",1:"new value"}.
Is there any possible way I can set the DataGridColumn so that when I edit a value it will update the value associated with the key rather than inserting a new value? I've tried using a custom item editor but it still does the insert. It seems like I need to be able to update the 'dataField' with the actual key value but I'm not sure how to do that.
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Jul 12, 2009
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Jun 24, 2011
I'm wondering if it's possible to access a shared object's data (once it's been changed) without reloading the swf. Specifically, I have two swfs: one changes the data in the so and lets the second swf "know" via a localconnection. I have a function in the second swf that fires via the local connection.[code]This function looks for the new value however it doesn't show the updated value in my textfield unless I refresh the browser. Thoughts?
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Oct 13, 2010
I'm using mx.rpc.http.HTTPService to retrieve data from a web service. On the initial call to "loadWsData", HTTPservice accurately retrieves all the data.
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[Code]...
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Jul 1, 2010
I have a DataGrid where one of the columns has a labelFunction. When I run the application a scrollbar shows up in the DataGrid indicating to me that it has data but there is nothing in the DataGrid. When I scroll items start showing up. When I Debugged it I noticed that the labelFunction was never being called until I started scrolling. Does anyone know why this is happening?
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Jul 29, 2011
I have a Flec Bar chart. It has a Bar series. I need to show the datalabel at the tip of the bars. For this am using labelFunction.This works fine. Now I want to add a plotseries in the same chart. Once it is added the labelfunction in the bar series is not working. The labels are not visible.[code]
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Oct 26, 2009
When using a webcam, is there a way to get the current frame's binary data to save to a file?
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Aug 11, 2010
My first issue is that when my ArrayCollection only has one item, for some reason I cannot select that first item. The change function set on the mxml never gets called when I try to select that one item. If I set a prompt, it works. I know that the item is not already selected because when debugging, the selected item shows null. I do not want to use a prompt. I want the first item in the ArrayCollection to be selected automatically. So if there is only one item, I want the selected item to be that. FYI - I am using a labelFunction to format the data in the Array Collection. why I cannot select the first item or set the first item in the ArrayCollection to be the selected item?
My bigger issue is that when my Array Collection gets updated, my label function must not be refreshing because when I first open the dropdown, it has specfic data. When the Array Collection gets updated and I open the dropdown again, I see the old data in the dropdown, yet it doesn't exist anymore.
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<mx:ComboBox labelFunction="getFormattedNpaNxxCollectionList()"
dataProvider="arrayColl" change="doSomething()"/>
public function getFormattedNpaNxxCollectionList(item:Object):String
{
return StringUtil.substitute("{0} - {1}", item.stateCode, item.stateName);
}
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Feb 17, 2011
I've a AdvancedDataGridColumn which has both 'labelFunction' and 'dataTipFunction' defined.I want dataTipFunction to return the output of 'labelFunction' + someText.
P.S : The problem here is dataTipFunction doesn't have access to 'column' object.
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May 4, 2011
how to generate serial number using labelFunction in datagrid?
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Jun 27, 2011
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[Code]...
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Feb 25, 2009
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I have a ComboBox with a label function like this one:
private function fieldLabelFunction(item:Object):String {
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Mar 31, 2010
I have an AdvancedDataGrid with a custom label function whose value can change based on other form status (specifically, there's a drop down to choose the time display format for some columns).Right now, I have this labelFunction:
internal function formatColumnTime(item: Object, column: AdvancedDataGridColumn): String {
var seconds: Number = item[column.dataField];
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}
[code]....
... and the timeFormat object is a combo box with items whose labelFunction attributes are formatTimeAsFractions and formatTimeAsInterval.The columns that have time formats have formatColumnTime as their labelFunction value, because extracting the seconds in that function and passing it in to the formatters made for a more testable app (IMHO).
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Dec 10, 2008
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Sep 19, 2010
I have an xml class that loads xml data, I need to access the data from another class. I have imported the xml classinto the new class and created a new instance of it. However when I try to access the xml data it is coming back as null. I understand this is almost certainly because when it is called the xml data hasn't completed it's load. How can I get round this?
[Code]....
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Jul 1, 2010
I have have a problem loading and accessing data from a value object in my new project.. I load an xml file via a service, which contains title and locations of asset files, I need to be able to access the location of an asset file by specifying the title and retrieiving it from a value object.. I'm using the Robotlegs framework, here's an example of the xml:-
<?xml version="1.0" encoding="utf-8" ?>
<files id ="xmlroot">
<file title="css_shell" location = "css/shell.css" />
[code].....
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Oct 21, 2011
After reading data from XML source I like to be able to show one random item from data whenever, say, clicked a button. I think I can accomplish this by storing the data into an array and use it from the array. I would like to learn if possible to do it directly from xml without storing it into another array.
var myXMLLoader:URLLoader = new URLLoader();
myXMLLoader.load(new URLRequest("XML_NOTES.xml"));
myXMLLoader.addEventListener(Event.COMPLETE, processXML);
[Code].....
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Dec 19, 2006
How do I access an array inside an .swf that is loaded using loadMovie?
this.createEmptyMovieClip("controlpanel", 999);
loadMovie("lessons/regulatoryrequirements.swf", controlpanel);
forward_btn.onRelease = function() {
attachMovie(screen_array[0], "currentscreen", 0, {_x:500, _y:360});
};
screen_array is the array I'm trying to access in regulatoryrequirements.swf.
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Apr 3, 2009
I have stored some basic data in a custom class, imported it into a project, and compiled it into an swf. Now, I want to import that swf into the library of a new, entirely separate flash project, and access the data from the original custom class inside that imported swf.
Here's how I'm trying to go about it (unsuccessfully):
1. Create a custom class 'MyClass.as' with some basic data ("hello world") stored in a property:
Code:
package {
import flash.display.MovieClip;
public class MyClass extends MovieClip{
[Code]....
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Mar 3, 2010
I'm trying to load data from an external textfile, called "config_flash.txt". It works perfectly if applying the fetched data is done within the same function where the loading is done. However, I would like to use the fetched variables in other parts of the script.
Here's what works:
Actionscript Code:
var varLoader:URLLoader = new URLLoader(new URLRequest("config_flash.txt"));varLoader.addEventListener(Event.COMPLETE,
[code]...
So, basically I want the variables/values defined inside the function to be available anywhere in the script. The error that the second code snippet causes is as follows: "1120: Access of undefined property text1/text2".
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Jan 2, 2011
I am working on a Flash game that uses 2D polygon collision. It seems to me that I could sketch the 2D collision around my objects using the pen tool, and make it invisible by putting it on a separate guide layer.
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