Can you please point me to jeff's link as all i did was make value writable.
Thanks --- In [email protected], "Battershall, Jeff" <[EMAIL PROTECTED]> wrote: > > You have to override the set dataProvider function and others - have you > actually looked at Ben's code? When the dataProvider is updated, the > 'set value' does not. A comparison between the dataProvider value can be > done and set selectedIndex accordingly. Believe me, it works - I'm using > it in production apps now. > > I have to say, it would be nice to have this feature part of the core > Flex ComboBox implmentation, so that selectedItem can be set as well as > gotten. The problem is, of course, that you don't know what sort of data > type is in the data provider and so comparison is more difficult. I > dealt with that by requiring my data types in the dataProvider conform > with a custom interface, and thereby make comparison easy. I suppose > might be other ways to accomplish the same thing. > > Jeff > > -----Original Message----- > From: [email protected] [mailto:[EMAIL PROTECTED] On > Behalf Of gur_sukh > Sent: Wednesday, February 06, 2008 1:33 PM > To: [email protected] > Subject: [flexcoders] Re: Setting combobox selectedindex > > > yes tried that too, but when dataprovider is set the selectedIndex gets > reset to 0 and hence the value. > > > > --- In [email protected], "Battershall, Jeff" > <jeff.battershall@> wrote: > > > > The way I accomlished this was by sub-classing ComboBox, to take a > > value as a parameter and set the selectedIndex accordingly. Ben Forta > > > has an example of this somewhere on his website. > > > > Jeff > > > > -----Original Message----- > > From: [email protected] [mailto:[EMAIL PROTECTED] > > On Behalf Of gur_sukh > > Sent: Wednesday, February 06, 2008 1:02 PM > > To: [email protected] > > Subject: [flexcoders] Re: Setting combobox selectedindex > > > > > > No this is not the scenario i want to have initially a value selected > > when the combobox is shown. > > > > > > --- In [email protected], Scott Melby <smelby@> wrote: > > > > > > It seems you are asking how to change your code so that your combo > > > box selectedIndex property gets updated each time your model > > > changes. For > > > > > demo purposes you could just do something like the following: > > > > > > /** > > > * Returns the index of the > > > */ > > > private function > > getSelectedProductSubTypeIndex(selectedProduct:Product):int > > > { > > > //TODO: in real system search the selectedProduct for the > > > correct sub type and return correct index > > > //the thing to search for could be passed as a param as well > > > return 1; > > > } > > > > > > <mx:ComboBox id="productSubTypeCB" width="160" > > > > > > dataProvider="{selectedProduct.typeNames}" > > > selectedIndex="{this.getSelectedProductSubTypeIndex(selectedProduct) > > > }" > > > change="productOffer.productSubType = event.currentTarget.value" /> > > > > > > > > > Assuming your productType member is Bindable this method will get > > > triggered (due to it having a parameter that is bindable) every time > > an > > > assignment is made to productType (like your model changes), since > > > it > > > always returns 1 your selected index will be set for you. > > > > > > hth > > > Scott > > > > > > Scott Melby > > > Founder, Fast Lane Software LLC > > > http://www.fastlanesw.com > > > > > > > > > > > > gur_sukh wrote: > > > > > > > > > > > > The combobox dataprovider sets selectedindex to 0. How do we set > > > > it > > > > to something else. > > > > > > > > AS the dataprovider is bound to model and every time it changes > > > > the > > > > selected index is 0. > > > > > > > > For demo purposed i need to set this to 1. > > > > > > > > <mx:ComboBox id="productSubTypeCB" width="160" > > > > dataProvider="{selectedProduct.typeNames}" > > > > selectedItem="1" > > > > change="productOffer.productSubType = event.currentTarget.value" > /> > > > > > > > > > > > > > > > > > > > > > -- > > Flexcoders Mailing List > > FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt > > Search Archives: > > http://www.mail-archive.com/flexcoders%40yahoogroups.com > > Yahoo! Groups Links > > > > > > > -- > Flexcoders Mailing List > FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt > Search Archives: > http://www.mail-archive.com/flexcoders%40yahoogroups.com > Yahoo! Groups Links >
