When set editable=true for a ComboBox renderer, I will listen CB 'close' event and force an itemEditEnd by moving focus to a ModelLocator component(.setFocus()) in next frame(callLater function required). It can be used in some cases without trouble.
George Tracy Spratt wrote: > > > I’ve experimented some with this and found that editable=”true” on a > ComboBox renderer can cause some very unexpected behavior. I have had > most success by ensuring that my renderers handle the dataprovider item > updates themselves. ComboBox and item renderers are complex enough > without adding the default DataGrid editing functionality into the mix. > > You can leave editable=”true” on the DG, but set it to false on any > DataGridColumn with a complex renderer. > > Now, thinking about it some more, the issue might be solved by ensuring > your renderer does NOT update the item itself. Might try that. > > Tracy > > ------------------------------------------------------------------------ > > *From:* [email protected] [mailto:[EMAIL PROTECTED] > *On Behalf Of *Alex Harui > *Sent:* Saturday, November 24, 2007 3:22 AM > *To:* [email protected] > *Subject:* RE: [flexcoders] ComboBox and DataGrid - set data() call > causes next ComboBox to collapse... > > > > Did you set editable=true on the DG? If so, it should update the data > on itemEditEnd and not on change. > > ------------------------------------------------------------------------ > > *From:* [email protected] [mailto:[EMAIL PROTECTED] > *On Behalf Of *cmarkiewicz > *Sent:* Friday, November 23, 2007 1:43 PM > *To:* [email protected] > *Subject:* [flexcoders] ComboBox and DataGrid - set data() call causes > next ComboBox to collapse... > > > Hello. I have a DataGrid with a column of ComboBoxes. The behavior I'm > seeing is this: > 1) I click on a ComboBox - it expands > 2) I choose a value - it collapses > 3) I click on a ComboBox in a different column > 4) It expands - then immediately collapses > > I have determined why it is happening, but I'm not sure how to make it stop. > > I have a separate mxml file where I define the ComboBox and I override the > set data() method. The set data() method sets the value in the ComboBox in > each row. The issues is that after I change a ComboBox in one row, set > data() is called on all rows - so as soon as I click on the second ComboBox, > set data() is called (because I clicked away from the first ComboBox), the > value is set in the second ComboBox - and it collapses. > > So, if I change the value in one ComboBox, click to some other cell, then > click on the second ComboBox, it works fine (because set data() is called > when i click to the other cell). So my questions is, how do I make this > work? Can I force the call to set data() as soon as the first ComboBox > collapses (my putting focus on another component temporarily?)? Or can I > make it bypass the set data() call from ComboBoxes which weren't touched? > > Any help is greatly appreciated. > > Code is below, if it helps... > > Thanks > Chris > > <?xml version="1.0" encoding="utf-8"?> > <!-- mxmlcomponents/TypeComboBoxRenderer.mxml --> > <mx:Canvas xmlns:mx="http://www.adobe.com/2006/mxml > <http://www.adobe.com/2006/mxml>" > xmlns:lib="t3quote.*" > horizontalScrollPolicy="off" verticalScrollPolicy="off" >> > <mx:Script> > <![CDATA[ > import mx.messaging.channels.StreamingAMFChannel; > // Define a property for returning the new value to the cell. > [Bindable] > public var valueSelected:String; > > > override public function set data(value:Object):void > { > if(value != null) > { > super.data = value; > trace("set data...data.productCode:"+data.productCode); > > //show the comboBox > if(value.nonPartFlag) > { > prodCodeChoices.visible=true; > prodCodeLabel.visible=false; > } > //hide the comboBox and show the label > else > { > prodCodeChoices.visible=false; > prodCodeLabel.visible=true; > } > > var pcArr:Array = data.productCodeArray; > for (var j:int = 0; j < pcArr.length; j++) > { > var pctmp:String = pcArr[j]; > if (pctmp == data.productCode) > { > > trace("PrevIndex/NewIndex:"+prodCodeChoices.selectedIndex+"/"+j); > > trace("PrevItem/NewItem:"+prodCodeChoices.selectedItem+"/"+data.productCode); > trace("Match found!!!:"+j+"/"+pctmp); > prodCodeChoices.selectedIndex = j; > } > } > > > } > } > > > public function changeHandler(event:Event): void > { > > trace("changeHandler...prodCodeChoices.selectedItem:"+prodCodeChoices.selectedItem); > valueSelected = String(prodCodeChoices.selectedItem); > } > ]]> > </mx:Script> > > <mx:ComboBox id="prodCodeChoices" dataProvider="{data.productCodeArray}" > width="100%" > change="changeHandler(event)" > creationComplete="prodCodeChoices.selectedItem=data.productCode" > /> > <!-- > <lib:ComboBox id="prodCodeChoices" dataProvider="{data.productCodeArray}" > width="100%" > value="{data.productCode}" > /> > --> > <mx:Label id="prodCodeLabel" text="{data.productCode}" /> > > </mx:Canvas> > > -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! 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