How to end Spark datagrid editing session

I am reading that I can use endEditorSession to end editing session programmatically.
http://help.adobe.com/en_US/flex/using/WS0ab2a460655f2dc3-427f401412c60d04dca-7ff3.html#WS 0ab2a460655f2dc3-427f401412c60d04dca-7fec
But DataGrid object does not have such method. Can someone clarify how to end up editing session?
Thanks

Checking "Continuously Updates Value" in the Bindings inspector under Value helped.

Similar Messages

Spark DataGrid - editing session

I am trying to specidy a listener to catch a data change in Spark DataGrid. Here is my code:
<s:DataGrid requestedRowCount="4" fontSize="11" sortableColumns="false"
                                   id="engines" rowHeight="22" gridItemEditorSessionStarting="processData(event)"
                                   height="100%">
                         <s:columns>
                              <s:ArrayList>
                                   <s:GridColumn dataField="initial" headerText="Initial" width="50">
                                        <s:itemRenderer>
                                             <fx:Component>
                                                  <s:GridItemRenderer>
                                                       <s:layout>
                                                            <s:VerticalLayout paddingLeft="2"
                                                                                  verticalAlign="middle"/>
                                                       </s:layout>
                                                       <s:TextInput restrict="a-zA-Z"/>
                                                  </s:GridItemRenderer>
                                             </fx:Component>
                                        </s:itemRenderer>
                                   </s:GridColumn>
but processData does not get fired.
Any idea?

A cell editor is placed over the top of a cell and it is sized by the DataGrid to be the same height as the cell. The height of the cell is not changed. Are you see the cell height change when you are using a built-in cell editor or your own custom cell editor? In any case, you can you the prepare() method of a cell editor to make any final adjustments to the cell editor that you want, including changing the height of the cell editor.
-Darrell

How to make spark datagrid columns to behave like mx datagrid columns

Hello.
I have a problem with spark datagrid component. I can't force spark datagrid columns behave like old mx datagrid columns. In mx datagrid columns fills 100% of datagrid regardles of resizing column or datagrid itself (it will not show horizontal scrolling bar). In spark datagrid last column (colC) will never word wrap, event after setting horizontalScrollPolicy=off. I would like to somehow constrain spark columns to behave like mx ones.
App snippet (try to resize app and columns - especially colC - and you will see what I mean):
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
               xmlns:s="library://ns.adobe.com/flex/spark"
               xmlns:mx="library://ns.adobe.com/flex/mx">
    <fx:Declarations>
        <s:ArrayCollection id="dp">
            <s:DataItem colA="some sample data" colB="some sample data" colC="some sample data"/>
            <s:DataItem colA="some sample data" colB="some sample data" colC="some sample data"/>
            <s:DataItem colA="some sample data" colB="some sample data" colC="some sample data"/>
            <s:DataItem colA="some sample data" colB="some sample data" colC="some sample data"/>
            <s:DataItem colA="some sample data" colB="some sample data" colC="some sample data"/>
            <s:DataItem colA="some sample data" colB="some sample data" colC="some sample data"/>
            <s:DataItem colA="some sample data" colB="some sample data" colC="some sample data"/>
            <s:DataItem colA="some sample data" colB="some sample data" colC="some sample data"/>
            <s:DataItem colA="some sample data" colB="some sample data" colC="some sample data"/>
        </s:ArrayCollection>
    </fx:Declarations>
    <s:layout>
        <s:HorizontalLayout/>
    </s:layout>
    <s:DataGrid id="grid" width="100%" height="100%" dataProvider="{dp}" variableRowHeight="true" horizontalScrollPolicy="off">
        <s:columns>
            <s:ArrayList>
                <s:GridColumn headerText="Column A" dataField="colA"/>
                <s:GridColumn headerText="Column B" dataField="colB"/>
                <s:GridColumn headerText="Column C" dataField="colC"/>
            </s:ArrayList>
        </s:columns>
    </s:DataGrid>
    <mx:DataGrid id="grid2" width="100%" height="100%" dataProvider="{dp}" wordWrap="true" variableRowHeight="true">
        <mx:columns>
            <mx:DataGridColumn headerText="Column A" dataField="colA"/>
            <mx:DataGridColumn headerText="Column B" dataField="colB"/>
            <mx:DataGridColumn headerText="Column C" dataField="colC"/>
        </mx:columns>
    </mx:DataGrid>
</s:Application>

the datagrid has sortItems and sortItemsOn methods you can use.

How to filter spark datagrid?

SORRY, I TRY TO FILTER MY DATAGRID, BUT IT DOESN'T WORK.
WHAT'S WRONG IN THIS CODE?
IN THE DEBUG EVERYTHING IS OK UNTIL THE BOLD TEXT, BECAUSE THE DATAPROVIDER IN DATAGRID IS NOT FILTERED.
PLEASE HELP ME!!!
THANK YOU.
<?xml version="1.0" encoding="utf-8"?>
<s:View xmlns:fx="http://ns.adobe.com/mxml/2009"
        xmlns:s="library://ns.adobe.com/flex/spark" title="Albo" creationComplete="init(event)">
    <fx:Script>
        <![CDATA[
            import mx.events.FlexEvent;
            import spark.events.GridEvent;
            import spark.events.TextOperationEvent;
            import spark.components.TextInput;
            import spark.components.DataGrid;
            import mx.collections.ArrayList;
            protected function init(event:FlexEvent):void
                IngegneriXML.send();
            private function gridClickEvent(event:GridEvent):void
                navigator.pushView(Dettaglio, event.target.selectedItem);
            private function filterDataProvider(obj:Object, idx:int, arr:Array):Boolean
                var txt1:String = RicCogn.text;
                var txt2:String = obj._item.cognome.toString();
            if (txt1.toLowerCase() == txt2.toLowerCase())
                return true;
                return false;
            protected function RicCogn_changeHandler(event:TextOperationEvent):void
                var arr:Array = Grid1.dataProvider.toArray();
                var filteredArr:Array = arr.filter(filterDataProvider);
                Grid1.dataProvider = new DataProvider(filteredArr);
                Grid1.dataProvider.refresh();
                var ara2:Array = Grid1.dataProvider.toArray();
                var ara3:Array = Grid1.dataProvider.toArray();
        ]]>
    </fx:Script>
    <fx:Declarations>
        <s:HTTPService id="IngegneriXML" url="C:\AlboFlash\DatiXML\ingegneri.xml"/>
    </fx:Declarations>
    <s:TextInput x="0" y="0" id="RicCogn" change="RicCogn_changeHandler(event)"/>
    <s:DataGrid id="Grid1" x="0" y="80" dataProvider="{IngegneriXML.lastResult.ingegneri.ingegnere}" height="100%" width="100%" gridClick="gridClickEvent(event);">
        <s:columns>
            <s:ArrayList id="columns">
                <s:GridColumn dataField="cognome" headerText="Cognome" minWidth="100"/>
                <s:GridColumn dataField="nome" headerText="Nome" minWidth="100"/>
            </s:ArrayList>
        </s:columns>
    </s:DataGrid>
</s:View>

I made it :-)
I revealed the magic.
Actually without knowing it, I was misusing the ArrayCollection class and treating it as Model, while it was obviously designed for View purposes.
Now I'm using ArrayList for that, and then I create a new ArrayCollection for different views. Then I use newArrayCollection.list = myList and newArrayCollection.filterFunction = ...
This works for me.
My recomendation would be to improve the documentation a bit, so that it is clear that it is not recommended to use same ArrayCollection for multiple views.
Regards,
Dinko

Selection issue with editable Spark DataGrid

Hi everyone,
I am evaluating the new Spark DataGrid and I'm having a very strange issue with the behavior of selection in an editable instance.
Here is my test application: http://www.playcalliope.com/flex/DataGridSelectionIssue.html (code here: https://gist.github.com/1129160)
And here are the steps to reproduce the issue:
select the very first cell at the top-left corner of the grid (the one with "Gabriele");
click on it once more, the editor appears;
now click on the cell just to the right of it (the one with "Genta").
You should see that editing ends as it supposed to do, but selection is placed on the third cell (the one with a 5 in it) instead on the one you clicked on. Playing a little with the grid you should see that this isn't the only case, but selection is really behaving randomly.
I am using SDK 4.5.1.21328.
I think this is a very basic usage case.. I can't believe this is not working properly, what am I missing?
Thanks a lot,
Gabriele Genta
Message was edited to add live example

Your running into a known bug, https://bugs.adobe.com/jira/browse/SDK-30088.
The bug will be fixed in the Mega release. To work around the bug you can create a custom editor and remove the "dataGrid.validateNow();" call in DataGridEditor.save().
Here's how I modified your example to workaround the bug:
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
               xmlns:s="library://ns.adobe.com/flex/spark"
               xmlns:mx="library://ns.adobe.com/flex/mx"
               minWidth="955" minHeight="600"
               backgroundColor="#E7E7E7"
               creationComplete="application1_creationCompleteHandler(event)">
    <s:layout>
        <s:HorizontalLayout horizontalAlign="center" verticalAlign="middle"/>
    </s:layout>
    <fx:Script>
        <![CDATA[
            import mx.collections.XMLListCollection;
            import mx.events.FlexEvent;
            protected function application1_creationCompleteHandler(event:FlexEvent):void
                testGrid.dataProvider = new XMLListCollection(testData.item);
        ]]>
    </fx:Script>
    <fx:Declarations>
        <fx:XML id="testData" xmlns="">
            <items>
                <item>
                    <id>1</id>
                    <cognome>Gabriele</cognome>
                    <nome>Genta</nome>
                    <uhm>5</uhm>
                    <bene>molto</bene>
                </item>
                <item>
                    <id>10</id>
                    <cognome>Pinco</cognome>
                    <nome>Pallino</nome>
                    <uhm>10</uhm>
                    <bene>poco</bene>
                </item>
            </items>
        </fx:XML>
        <fx:Component className="MyDefaultEditor">
            <s:DefaultGridItemEditor>
                <fx:Script>
                    <![CDATA[
                        import mx.collections.ICollectionView;
                        import mx.collections.ISort;
                        override public function save():Boolean
                            if (!validate())
                                return false;
                            var newData:Object = value;
                            var property:String = column.dataField;
                            var data:Object = data;
                            var typeInfo:String = "";
                            for each(var variable:XML in describeType(data).variable)
                                if (property == [email protected]())
                                    typeInfo = [email protected]();
                                    break;
                            if (typeInfo == "String")
                                if (!(newData is String))
                                    newData = newData.toString();
                            else if (typeInfo == "uint")
                                if (!(newData is uint))
                                    newData = uint(newData);
                            else if (typeInfo == "int")
                                if (!(newData is int))
                                    newData = int(newData);
                            else if (typeInfo == "Number")
                                if (!(newData is Number))
                                    newData = Number(newData);
                            else if (typeInfo == "Boolean")
                                if (!(newData is Boolean))
                                    var strNewData:String = newData.toString();
                                    if (strNewData)
                                        newData = (strNewData.toLowerCase() == "true") ? true : false;
                            if (property && data[property] !== newData)
                                // If the data is sorted, turn off the sort for the edited data.
                                var sort:ISort = null;
                                if (dataGrid.dataProvider is ICollectionView)
                                    var dataProvider:ICollectionView = ICollectionView(dataGrid.dataProvider);
                                    if (dataProvider.sort)
                                        sort = dataProvider.sort;
                                        dataProvider.sort = null;
                                var oldData:Object = data[property];
                                data[property] = newData;
                                dataGrid.dataProvider.itemUpdated(data, property, oldData, newData);
                                // Restore the sort. The data will not be sorted due to this change.
                                if (sort)
                                    ICollectionView(dataGrid.dataProvider).sort = sort;
                            return true;
                    ]]>
                </fx:Script>
            </s:DefaultGridItemEditor>
        </fx:Component>
    </fx:Declarations>
    <s:DataGrid id="testGrid" width="100%" height="100%"
                editable="true" selectionMode="singleCell"
                itemEditor="{new ClassFactory(MyDefaultEditor)}">
        <s:columns>
            <s:ArrayList>
                <s:GridColumn headerText="Prova" dataField="cognome"/>
                <s:GridColumn headerText="Prova1" dataField="nome"/>
                <s:GridColumn headerText="Prova3" dataField="uhm"/>
                <s:GridColumn headerText="Prova4" dataField="bene"/>
            </s:ArrayList>
        </s:columns>
    </s:DataGrid>
</s:Application>

How to change header font style in Spark DataGrid?

I'm looking since last week for a way how to change the font style of the header in a Spark DataGrid. It drive me nuts that I can't find a way to do this. Have anyone one an idea how to achieve it? Any help is appreciated.
Thanks,
- Artur

Hi,
Some styles won't work because some text styles got hardcoded into the DefaultGridHeaderRenderer's Label. You'll run into this issue not just with the DataGrid headers but also things like the Panel's title and other places where we have text. One way to get around this issue is to create your own custom headerRenderer based on the default one and then redefine the headerRenderer skin part in the skin.
First, create a subclass of the DefaultGridHeaderRenderer and tweak the "labelDisplay" to your liking (or even just take out all the styles and style it on your own as you had earlier using your custom header renderer's name). Example below (I named it "CustomHeaderRenderer"):
<?xml version="1.0" encoding="utf-8"?>
<skins:DefaultGridHeaderRenderer xmlns:fx="http://ns.adobe.com/mxml/2009"
                                 xmlns:s="library://ns.adobe.com/flex/spark"
                                 xmlns:mx="library://ns.adobe.com/flex/mx"
                                 xmlns:skins="spark.skins.spark.*"
                                 xmlns:comps="comps.*">
    <fx:Declarations>
        
        <s:Label id="labelDisplay"
                 verticalCenter="1" left="0" right="0" top="0" bottom="0"
                 textAlign="start"
                 verticalAlign="middle"
                 maxDisplayedLines="1"
                 showTruncationTip="true" />
    </fx:Declarations>
</skins:DefaultGridHeaderRenderer>
Next, create a simple DataGrid skin by creating a subclass of the spark.skins.spark.DataGridSkin in MXML and defining a new headerRenderer component in the fx:Declarations section. Example below (I named it "CustomDataGridSkin"):
<?xml version="1.0" encoding="utf-8"?>
<skins:DataGridSkin xmlns:fx="http://ns.adobe.com/mxml/2009"
                xmlns:s="library://ns.adobe.com/flex/spark"
                xmlns:mx="library://ns.adobe.com/flex/mx"
                xmlns:skins="spark.skins.spark.*"
                xmlns:comps="comps.*">
    <fx:Declarations>
        
        <fx:Component id="headerRenderer">
            <comps:CustomHeaderRenderer />
        </fx:Component>
    </fx:Declarations>
</skins:DataGridSkin>
Last, assign your new skin as the skinClass of your DataGrid (either in MXML or as a style):
<s:DataGrid skinClass="comps.CustomDataGridSkin">
I know it's not pretty, but it's the result of trading off between having completely custom skinning vs. having knobs to tweak every style. Hope this helps.
-Kevin

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not from local LAN
Thanks

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what ports need to be open to successfully connect to server behind firewall?
from WAN to LAN using :
net use \\servername_or_IP /USER:username “password“
or
qwinsta /server:ServerIP
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I use an embed font (Nunito-Light.ttf), and i can set the font of GridColumn to Nunito-Light in DataGrid , but it seems that it has no effect to the header of DataGrid.
and then I create a headerRenderer for spark DataGrid, and try to set the fontFamily of "labelDisplay" to Nunito-Light , but It seems still no effect .
If I set the fontFamily of "labelDisplay" to "Verdana" or "Arial" , it has effect , so strange! Is that a bug?
Anybody has the same problem? Please tell me how to solve it ,thank you very much!

Hi,
Please go through following link :
http://forums.adobe.com/thread/870081#870081
Thanks and Regards,
Vibhuti Gosavi | [email protected] | www.infocepts.com

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Then, try to add another attribute in your SELECT VO statement, which truncates the original date_and_time field:
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         <f:facet name="filter">
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Best way to mark data that has changed when it is edited in a spark datagrid?

I am not sure if this is the best way to mark data that has changed (isModifiedClientSide ) when it is edited in a spark datagrid:
<GridColumn width="140" headerText="Margin "dataField="margin" editable="false" editable.editMode="true" >
                    <itemRenderer>
                        <fx:Component>
                            <DefaultGridItemRenderer textAlign="right"   background="true" backgroundColor="#ffffff" alpha="1.0" color="#000000" >
                                <focusOut>
                                    <![CDATA[
                                    this.data.isModifiedClientSide = 1;
                                    ]]>
                                </focusOut>
                            </DefaultGridItemRenderer>
                        </fx:Component>
                    </itemRenderer>
                </GridColumn>

I tried this but the value commit doesnt't get fired bro:
    <GridColumn width="140" headerText="Margin (disabled)" headerText.editMode="Margin (editing)" dataField="margin" editable="false" editable.editMode="true" >
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                                    <![CDATA[
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                                    ]]>
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How to resize the spark datagrid collumns based on the headertext?

Hi friends,
I am using spark datagrid for displaying the tablur data in my application, when i setting the dataprovider property of the datagrid, it displays the content exactally what i expeceted.
but the widht of the collumns are based on the content of the dataprovider, i am not able to see the full collumn name in the datagrid's header. I want to display the full collumn name to the users without setting the collumn width explicitly because the data are dynamically returned from the server. could you pls give me some ideas to acheive this...?
Thanks in advance.

Hi Karthikeyan Subramain,
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Here is the link for sample code which uses typicalItem:
http://butterfliesandbugs.wordpress.com/2011/03/08/its-a-best-practice-to-size-a-spark-dat agrids-columns-with-a-typicalitem/
Hope this will help you
Thanks and Best regards,
Pooja Kuber | [email protected] | www.infocepts.com

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Hai
       I have attached the mxml below.
   I need to add ' ' before and after the value.
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   2. u can see the value in single quotes ie. ' '
   3. now u click the Value column u can edit the value, after editing the value will not be in ' '
   4. here i have a problem, if the value is not in ' ' , i cant submit that query.
   5. how can i add ' ' after editing .
can any one help me
Thanks in Advance : )
<mx:Application
xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"
>
<mx:Script>
<![CDATA[
// ActionScript fileimport
mx.rpc.events.FaultEvent;
import
mx.controls.Alert;
importmx.managers.CursorManager;
import
mx.collections.ArrayCollection;[
Bindable]
public var adhoc:ArrayCollection = newArrayCollection();[
Bindable]
public var serverString = "";
private function initImage(event:MouseEvent):void{
if(adhoc.length > 0){
private function onChange():void{
if(comboBox.selectedIndex == 0){
else{
private function onChange1():void{
if(combo2.selectedItem == "DATEDEPLOYED" || combo2.selectedItem == "DATEUPLOADED"){datepick.visible =
truetxt.visible =
false}
else{txt.visible =
truedatepick.visible =
false
private function add():void{
varstr:String = txt.text;
if(str.length == 0 && txt.visible == true){Alert.show(
"Value Can Not Be Empty");
return;
if(combo2.selectedItem != "DATEDEPLOYED" || combo2.selectedItem != "DATEUPLOADED"){
if(txt.visible == true){
var temp:Object = newObject();
"'"+txt.text+"'";
varstr1:String = datepick.text;
if(comboBox.selectedIndex == 1){
if(combo2.selectedItem == "DATEDEPLOYED" || combo2.selectedItem == "DATEUPLOADED"){
if(str1.length == 0 && datepick.visible == true){Alert.show(
"Date Cannot Be Empty");}
else{
var temp:Object = newObject();
false;addopenbracket.enabled =
false;combo2.enabled =
false;combo1.enabled =
false;
private function querydelete():void{
if(AdHoc.selectedIndex > 0) {
if(AdHoc.selectedIndex == (adhoc.length-1)){adhoc[AdHoc.selectedIndex-1].cond =
""; addopenbracket.enabled =
false;addclosebracket.enabled =
false;addbutton.enabled =
false;combo2.enabled =
false;combo1.enabled =
false;
// adhocdetailgridcompilance.dataProvider = null ;
// adhocdetailgrid.dataProvider = null ;
else if(adhoc.length == 1) {
// adhocdetailgridcompilance.dataProvider = null ;
// adhocdetailgrid.dataProvider = null ;addopenbracket.enabled =
true;addclosebracket.enabled =
true;addbutton.enabled =
true;combo2.enabled =
true;combo1.enabled =
true;}
else{Alert.show(
"Select The Rows To Delete");
private function andSubmit():void{
for each(var obj:Object inadhoc){
if(obj.fname == combo2.selectedItem && obj.opera == combo1.selectedItem){
if(combo2.selectedItem != "DATEDEPLOYED" || combo2.selectedItem != "DATEUPLOADED"){
if(txt.visible == true){
trace("2 equals");
var temp:Object = newObject();
else{
trace(obj.fname + ":"+ combo2.selectedItem);
trace(obj.opera + ":"+ combo1.selectedItem);
trace(obj.val + ":" + "'"+txt.text+"'");
else if(obj.fname == addclosebracket.label){
if(combo2.selectedItem != "DATEDEPLOYED" || combo2.selectedItem != "DATEUPLOADED"){
if(txt.visible == true){
trace("2 equals");
var temp:Object = newObject();
else{
trace(obj.fname + ":"+ combo2.selectedItem);
trace(obj.opera + ":"+ combo1.selectedItem);
trace(obj.val + ":" + "'"+txt.text+"'");
if(obj.fname == combo2.selectedItem && obj.opera == combo1.selectedItem){
if(combo2.selectedItem == "DATEDEPLOYED" || combo2.selectedItem == "DATEUPLOADED"){
if(datepick.visible == true){
trace("2 equals");
var temp:Object = newObject();
else{
trace(obj.fname + ":"+ combo2.selectedItem);
trace(obj.opera + ":"+ combo1.selectedItem);
trace(obj.val + ":"+ datepick.text);
else if(obj.fname == addclosebracket.label){
if(combo2.selectedItem == "DATEDEPLOYED" || combo2.selectedItem == "DATEUPLOADED"){
if(txt.visible == true){
trace("2 equals");
var temp:Object = newObject();
else{
trace(obj.fname + ":"+ combo2.selectedItem);
trace(obj.opera + ":"+ combo1.selectedItem);
trace(obj.val + ":"+ datepick.text);
true;addopenbracket.enabled =
true;combo2.enabled =
true;combo1.enabled =
true;
private function orSubmit():void{
for each(var obj:Object inadhoc){
if(obj.fname == combo2.selectedItem && obj.opera == combo1.selectedItem){
if(combo2.selectedItem != "DATEDEPLOYED" || combo2.selectedItem != "DATEUPLOADED"){
if(txt.visible == true){
trace("2 equals");
var temp:Object = newObject();
else{
trace(obj.fname + ":"+ combo2.selectedItem);
trace(obj.opera + ":"+ combo1.selectedItem);
trace(obj.val + ":" + "'"+txt.text+"'");
else if(obj.fname == addclosebracket.label){
if(combo2.selectedItem != "DATEDEPLOYED" || combo2.selectedItem != "DATEUPLOADED"){
if(txt.visible == true){
trace("2 equals");
var temp:Object = newObje

you declare Fchg's three parameter is any data type,so you can directly use Fchg
function.
"beawhycn" <[email protected]> wrote:
>
1.if buffer type=FML,then ' Fchg(sendBuf, Fldid("ACCOUNT_ID"), 0, accountNumber&,
0)' can add the accountnumber into sendbuffer.
2.if buffer type=STRING ,then how can i add a simple string into sendbuffer
before
the tpcall()?
Eager for the reply.

How do I get itemDoubleClick event in spark DataGrid ???

Hello Everyone,
Recently I am working with Spark DataGrid.
Before I was using AdvancedDataGrid. In that I was capturing itemDoubleClick event.
But I am not able to find such a event in SparkdataGrid.
So I want to capture double click event on single row of DataGrid.
Some people told that, I have to use my custom ItemRenderer to do that.
But is there any way to capture itemDoubleClick event in Spark DataGrid without creating custom ItemRenderer ???

You are correct. I looked a the code and the comment says it dispatches a double click if the 2nd click is within the DOUBLE_CLICK_TIME even if the first click was on another cell.
This code figures out if the double-click is a true double-click.
<?xml version="1.0" encoding="utf-8"?>
<s:Application
    xmlns:fx="http://ns.adobe.com/mxml/2009"
    xmlns:s="library://ns.adobe.com/flex/spark">
    <fx:Script>
        <![CDATA[
            import spark.events.GridEvent;
            private var lastColumnIndex:int = -1;
            private var lastRowIndex:int = -1;
            // set this to change the double click time
            //mx_internal::event.grid.DOUBLE_CLICK_TIME = 480; // ms
            protected function dataGrid_gridClickHandler(event:GridEvent):void
                trace("click on this cell", event.rowIndex, event.columnIndex);
                lastRowIndex = event.rowIndex;
                lastColumnIndex = event.columnIndex;
            protected function dataGrid_gridDoubleClickHandler(event:GridEvent):void
               if (event.rowIndex == lastRowIndex && event.columnIndex == lastColumnIndex)
                   trace("a real double click on this cell", event.rowIndex, event.columnIndex);
               else
                   trace("this is a gridClick on another cell", event.rowIndex, event.columnIndex);
               lastRowIndex = event.rowIndex;
               lastColumnIndex = event.columnIndex;
        ]]>
    </fx:Script>
        <s:DataGrid id="dataGrid" requestedRowCount="5" verticalCenter="0" horizontalCenter="0"
                     doubleClickEnabled="true"
                      gridClick="dataGrid_gridClickHandler(event)"
                      gridDoubleClick="dataGrid_gridDoubleClickHandler(event)">
            <s:ArrayCollection>
                <s:DataItem key="1000" name="Abrasive" price="100.11" call="false"/>
                <s:DataItem key="1001" name="Brush" price="110.01" call="true"/>
                <s:DataItem key="1002" name="Clamp" price="120.02" call="false"/>
                <s:DataItem key="1003" name="Drill" price="130.03" call="true"/>
                <s:DataItem key="1004" name="Epoxy" price="140.04" call="false"/>
                <s:DataItem key="1005" name="File" price="150.05" call="true"/>
                <s:DataItem key="1006" name="Gouge" price="160.06" call="false"/>
                <s:DataItem key="1007" name="Hook" price="170.07" call="true"/>
                <s:DataItem key="1008" name="Ink" price="180.08" call="false"/>
                <s:DataItem key="1009" name="Jack" price="190.09" call="true"/>
            </s:ArrayCollection>
        </s:DataGrid>
</s:Application>

Spark datagrid - custom renderers

In my Spark DG I have a column that serves a purpose of starting and ending an editing session. I use a custom item renderer with a button that when I click on it initiates editing and gets its icon changed.
When I click on the same button in another row I want to end editing in the first row and flip its button back to original. I am using states for that.
Everything seems to be working except when I start editing in row #1 from the top and then click on a button in any other row the button in the first row does not change its icon.
It has been already days of work trying figuring out what is so special in the row #1. No luck. Please help.
Thank you.

I am implementing the datagrid that only redraws and refreshed the cells that are updated insted of refreshing the whole datagrid.
There is already and example on MX Datagrid which refreshed only particular cells. Here is the link http://blogs.adobe.com/tomsugden/2010/04/optimizing_the_flex_datagrid_f.html . we can test it by launching application, right click on the application and select "Show redraw regions"
I have the similar requirement (updating only the refreshed cells, insted of whole datagrid) but I want this feature in Spark Datagrid.
(similar one on spark is in this link http://hansmuller-flex.blogspot.com/2011/07/high-performance-christmas-tree.html)
I am using the prepare method, but still the functionality is not working. When I right click and select show redraw regions. The whole daatgrid is redrawn instead of particular cells.
override public function prepare(hasBeenRecycled:Boolean):void {

How to end Spark datagrid editing session

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