I can understand how Flex could get confused with a renderer inside a renderer (I'm confused). There is no telling where an event would get dispatched to. It probably has something to do with scope.
--- In [email protected], "aramsdell2000" <aramsdell2...@...> wrote: > > Yes you're right, I am sure I am making it more complicated than it should > be. The way I had it, was that in my renderer class (which extends > DataGridItemRenderer) depending on the column I would add another (I think it > is termed) dropin renderer , one column was rendered with a link button, the > other one with the linkbar. But for the life of me I don't understand why I > can't add a listener to the linkbar that way. Forget adding a listenener on > the linkbar buttons, the only way the row click event for the datagrid would > work is if I clicked just outside of the linkbar but still within the cell so > I couldn't even use the click event for the datagrid. Clicking on the button > on the linkbar itself went nowhere. > > Maybe it has something to do with putting a renderer within a renderer?? If > you can follow what I did, please explain where in the world that mouseclick > listener event would go and why I couldn't add the listener the parent > renderer class (the one that extended DataGridItemRenderer). > > I scratched all that and ended up making a separate mxml renderer for that > column and instead of a linkbar, I just added a vbox with a repeater for > generating hboxes with link buttons in them as in this link > http://forums.adobe.com/message/164232#164232. I may have overdid it on that > one too but at least the eventlistener works. > > I really do appreciate the responses. Thanks for everyone's help!!!!! > > --- In [email protected], "valdhor" <valdhorlists@> wrote: > > > > I thionk you are over thinking this. > > > > All you need to do is extend the class you wish to use as your item > > renderer. In the extended class, either add an event listener or > > override a handler. In this case, that class is LinkBar. The LinkBar > > class has a clickHandler method already so you override that method to > > do what you want. > > > > So, an Item Renderer based on LinkBar could look like: > > package Renderers > > { > > import flash.events.MouseEvent; > > import flash.net.*; > > import mx.controls.LinkBar; > > > > public class LinkBarRenderer extends LinkBar > > { > > public function LinkBarRenderer() > > { > > super(); > > } > > > > override public function set data(value:Object):void > > { > > super.data = value; > > if(value != null) > > { > > var linksArray:Array = data.WebSites.split(","); > > dataProvider = linksArray; > > } > > } > > > > override protected function clickHandler(event:MouseEvent):void > > { > > navigateToURL(new URLRequest("http://"; + > > event.target.label), '_blank'); > > } > > } > > } > > > > > > HTH > > > > > > Steve > > > > --- In [email protected], "aramsdell2000" <aramsdell2000@> > > wrote: > > > > > > I have put aside the thoughts of making fancy hyperlinks, now I am > > just trying to understand events in the itemrenderer. I am ashamed to > > say that even after searching this subject in the forum and googling it, > > I still find myself struggling. > > > > > > I ended up trying a LinkBar as Tino suggested > > > > > > in the itemrenderer: > > > else if (column.dataField == "monitorlocations"){ > > > var linksArray:Array = > > String((data["monitorlocations"])).split("\n"); > > > var linkbarItemRendererFactory:ClassFactory = new > > ClassFactory(LinkBar); > > > linkbarItemRendererFactory.properties = {dataProvider:linksArray, > > direction:"vertical",enabled:true }; > > > column.itemRenderer = linkbarItemRendererFactory; > > > column.setStyle("verticalGap",5); > > > column.addEventListener(ItemClickEvent.ITEM_CLICK, > > linkBarEventHandler); > > > > > > > > > Problem is that it seems like the click event on the button on the > > linkbar never makes it to the linkBarEventHandler which is a function > > inside this itemrenderer. I would at least think that this event would > > fire but setting a breakpoint in this eventhandler fuction, I can tell > > it never makes it there. The datagrid itemclick event doesn't even get > > called like it does in the other columns, which I think is a good > > indication that I can bubble up the linkbar clickItem event, I just > > can't figure out what I am doing wrong or even how to capture in a debug > > session what happens on that click event. > > > > > > > > > One post I read says : > > > > > > "Re: [flexcoders] Listem to an event sent by a DataGrid ItemRenderer > > > > > > In your item renderer, if you have control over the TimerEvent > > creation, set the "bubbles" parameter to true. If you do not, you > > may want to catch the event in the renderer and re-dispatch a new > > one with bubbles set to true. This will allow your event to bubble > > out, up the parental chain until it reaches your application. Then > > all you need to do is register for the event at the Application level." > > > > > > > > > Can I set the bubbles property to true somehow using the > > ItemRendererFactory approach I have above? If I can't, theoretically I > > can dispatch the event from the eventhandler (if I could get it to fire) > > and then listen for it in the file that my datagrid is created in. > > > > > > Alternative to bubbling up an event, maybe somehow I can add an > > eventlistener that calls a function using owner.document.myFunction? > > > > > > > > > > > > > > > --- In [email protected], "valdhor" valdhorlists@ wrote: > > > > > > > > As far as I know the code is open source but you could add a comment > > at his blog (http://www.jabbypanda.com/blog/?p=28). > > > > > > > > You will either have to disable the datagrids click event handler on > > that specific column or figure out a way to put each link in its own > > column. > > > > > > > > --- In [email protected], "aramsdell2000" <aramsdell2000@> > > wrote: > > > > > > > > > > Actually I am not so sure how this will work in a datagrid. One > > datagrid cell would have multiple hyperlink buttons. Right now the click > > event for the datagrid behaves differently depending on which column you > > click. In another column I have one link button per row. But for this > > one, I would have several link buttons in one row's cell. Do I do > > nothing on the datagrid's click event and then the listerner events for > > the links would take over? Haven't tried anything yet, just thinking > > about how to approach it. > > > > > > > > > > Thanks! > > > > > > > > > > --- In [email protected], "aramsdell2000" > > <aramsdell2000@> wrote: > > > > > > > > > > > > Oh wow, this looks great! Thank you! This looks like what I want > > to do, just curious, how do I cite it if I use it/ modified version of > > it?? I can add a link to his website and blog in the code? > > > > > > > > > > > > --- In [email protected], "valdhor" <valdhorlists@> > > wrote: > > > > > > > > > > > > > > Here is a quick and dirty example using the hyperlink > > component from > > > > > > > jabbypanda > > (http://jabbypanda.com/labs/hyperLink/srcview/index.html): > > > > > > > > > > > > > > <?xml version="1.0" encoding="utf-8"?> > > > > > > > <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"; > > > > > > > layout="absolute" width="700"> > > > > > > > <mx:Script> > > > > > > > <![CDATA[ > > > > > > > import mx.collections.ArrayCollection; > > > > > > > > > > > > > > [Bindable] public var initDG:ArrayCollection = > > new > > > > > > > ArrayCollection([ > > > > > > > {Company: 'Apple Computer', WebSites: > > > > > > > 'www.apple.com,store.apple.com,developer.apple.com'}, > > > > > > > {Company: 'Google', WebSites: > > > > > > > 'www.google.com,code.google.com,mail.google.com'} > > > > > > > ]); > > > > > > > ]]> > > > > > > > </mx:Script> > > > > > > > <mx:DataGrid id="myGrid" dataProvider="{initDG}" > > > > > > > rowCount="{initDG.length}"> > > > > > > > <mx:columns> > > > > > > > <mx:DataGridColumn width="120" > > dataField="Company" > > > > > > > editable="false"/> > > > > > > > <mx:DataGridColumn width="500" > > dataField="WebSites" > > > > > > > itemRenderer="Renderers.LinksRenderer"/> > > > > > > > </mx:columns> > > > > > > > </mx:DataGrid> > > > > > > > </mx:Application> > > > > > > > > > > > > > > LinksRenderer.as: > > > > > > > package Renderers > > > > > > > { > > > > > > > import flash.net.*; > > > > > > > import htmltext.controls.HyperLink; > > > > > > > import htmltext.controls.events.HyperlinkEvent; > > > > > > > import mx.containers.HBox; > > > > > > > > > > > > > > public class LinksRenderer extends HBox > > > > > > > { > > > > > > > private var link1:HyperLink = new HyperLink(); > > > > > > > private var link2:HyperLink = new HyperLink(); > > > > > > > private var link3:HyperLink = new HyperLink(); > > > > > > > > > > > > > > public function LinksRenderer() > > > > > > > { > > > > > > > super(); > > > > > > > } > > > > > > > > > > > > > > override public function set data(value:Object):void > > > > > > > { > > > > > > > super.data = value; > > > > > > > if(value != null) > > > > > > > { > > > > > > > var linksArray:Array = > > data.WebSites.split(","); > > > > > > > link1.linkText = linksArray[0]; > > > > > > > > > link1.addEventListener(HyperlinkEvent.HYPERLINK_CLICK, > > > > > > > hyperLinkClicked); > > > > > > > link2.linkText = linksArray[1]; > > > > > > > > > link2.addEventListener(HyperlinkEvent.HYPERLINK_CLICK, > > > > > > > hyperLinkClicked); > > > > > > > link3.linkText = linksArray[2]; > > > > > > > > > link3.addEventListener(HyperlinkEvent.HYPERLINK_CLICK, > > > > > > > hyperLinkClicked); > > > > > > > addChild(link1); > > > > > > > addChild(link2); > > > > > > > addChild(link3); > > > > > > > } > > > > > > > } > > > > > > > > > > > > > > private function > > hyperLinkClicked(event:HyperlinkEvent):void > > > > > > > { > > > > > > > navigateToURL(new URLRequest("http://"; + > > > > > > > event.target.linkText), '_blank'); > > > > > > > } > > > > > > > } > > > > > > > } > > > > > > > --- In [email protected], Tino Dai <oberoc@> wrote: > > > > > > > > > > > > > > > > Have you looked at the class LinkBar? I think that would be > > a good way > > > > > > > to > > > > > > > > return a multiple buttons in a cell of a datagrid. > > > > > > > > > > > > > > > > > > http://livedocs.adobe.com/flex/3/langref/mx/controls/LinkBar.html > > > > > > > > > > > > > > > > -Tino > > > > > > > > > > > > > > > > > > > > > > > > On Wed, Jan 13, 2010 at 10:11 AM, aramsdell2000 > > > > > > > aramsdell2000@: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > OK, that's the problem. I don't know how to add multiple > > link > > > > > > > buttons > > > > > > > > > through action script. And here goes my feeble attempt at > > explaining > > > > > > > what I > > > > > > > > > did so that it makes sense: > > > > > > > > > > > > > > > > > > This is how I am now populating the column with multiple > > hyperlinks, > > > > > > > using > > > > > > > > > the itemrenderer approach from Alex's Flex Closet "HTML in > > an Item > > > > > > > Renderer" > > > > > > > > > on this website: > > > > > > > > > http://blogs.adobe.com/aharui/item_renderers/ > > > > > > > > > > > > > > > > > > var params:Array = (data[column.dataField]).split(", "); > > > > > > > > > var urls:String = ""; > > > > > > > > > for (var i:Number=0; i < params.length; i++) > > > > > > > > > { > > > > > > > > > ... > > > > > > > > > urls += "<a href='http://webaddress?charname="; > > > > > > > > > + params[i] > > > > > > > > > + "&someid=" > > > > > > > > > + station > > > > > > > > > + "&anotherid=" > > > > > > > > > + org > > > > > > > > > + "' target='_blank'>" + params[i] + "</a>, "; > > > > > > > > > } > > > > > > > > > ... > > > > > > > > > cdataTag = urls; > > > > > > > > > ..... > > > > > > > > > htmlText = cdataTag; > > > > > > > > > > > > > > > > > > but only a right click works to open a new window. I would > > like it > > > > > > > to work > > > > > > > > > with just clicking on the text like a normal HTML href. > > > > > > > > > > > > > > > > > > So what I wanted to do was have each string be a link > > button (except > > > > > > > i > > > > > > > > > don't really like the fact that it looks like a button). I > > have been > > > > > > > > > experimenting with using a single linkbutton in a > > datagridcolumn for > > > > > > > > > something similar: > > > > > > > > > > > > > > > > > > else if (column.dataField == "details"){ > > > > > > > > > var linkItemRendererFactory:ClassFactory = new > > > > > > > ClassFactory(LinkButton); > > > > > > > > > > > > > > > > > > var someid:String = data["someid"]; > > > > > > > > > var anotherid:String = data["anotherid"]; > > > > > > > > > > > > > > > > > > var queryExpr:String = "&SomeParameterId=" + someid + > > > > > > > > > "&AnotherParameterId=" + anotherid + "restofurl"; > > > > > > > > > //this line isn't quite working either but I hope you get > > the idea.. > > > > > > > > > //linkItemRendererFactory.properties = > > > > > > > > > > > {label:data[column.dataField],click:"callGetDetailsWebService(" + > > > > > > > queryExpr > > > > > > > > > + ");"}; > > > > > > > > > > > > > > > > > > linkItemRendererFactory.properties = > > {label:data[column.dataField]}; > > > > > > > > > column.itemRenderer = linkItemRendererFactory; > > > > > > > > > > > > > > > > > > I am not sure how to expand the above code to add multiple > > buttons. > > > > > > > Instead > > > > > > > > > of using an inline? renderer, do I have to make a new link > > button > > > > > > > class and > > > > > > > > > extend it or can I somehow write it into the custom > > > > > > > > > CustomDataGridItemRenderer class I have now that extends > > > > > > > > > DataGridItemRenderer. > > > > > > > > > > > > > > > > > > Hopefully that makes sense! > > > > > > > > > > > > > > > > > > Thanks! > > > > > > > > > Amy > > > > > > > > > > > > > > > > > > > > > > > > > > > --- In [email protected] > > <flexcoders%40yahoogroups.com>, > > > > > > > Tino Dai > > > > > > > > > oberoc@ wrote: > > > > > > > > > > > > > > > > > > > > Some code would help > > > > > > > > > > > > > > > > > > > > On Tue, Jan 12, 2010 at 8:36 PM, aramsdell2000 > > amy.ramsd...@wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > I have a datagrid column that for each row, has > > several text > > > > > > > values > > > > > > > > > each > > > > > > > > > > > with its own hyperlink. > > > > > > > > > > > > > > > > > > > > > > Ex: the data in the datafield looks like: "Atext, > > Btext, Ctext". > > > > > > > As it > > > > > > > > > is > > > > > > > > > > > now, I was able to add href anchor tags but they only > > open in a > > > > > > > new > > > > > > > > > window > > > > > > > > > > > with the right mouse click. The datagrid item click > > event takes > > > > > > > over > > > > > > > > > the > > > > > > > > > > > left mouse click and I am not sure how to prevent > > that. So I > > > > > > > thought I > > > > > > > > > would > > > > > > > > > > > add multiple link buttons in the datagrid column > > instead. My > > > > > > > question > > > > > > > > > is how > > > > > > > > > > > to add these multiple buttons using an itemrenderer in > > > > > > > actionscript. If > > > > > > > > > I > > > > > > > > > > > was adding just one I would assume it would be > > > > > > > datagrdcol.itemrenderer > > > > > > > > > = new > > > > > > > > > > > ClassFactory(LinkButton) and then you just set the > > properties of > > > > > > > the > > > > > > > > > link > > > > > > > > > > > button. But how do you do it if there are multiple > > buttons for > > > > > > > the data > > > > > > > > > in > > > > > > > > > > > the datafield. Do you extend the LinkButton or list > > data in a > > > > > > > > > > > customitemrenderer class? How? > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >
