I'm not sure exactly what you're doing, or what you're trying to achieve yet. By "expanding a tile" do you mean you're setting the minimum to be bigger, or you're manually overriding the decisions the base Container implementation makes in updateDisplayList()?
On Fri, Jun 6, 2008 at 10:41 AM, Richard Rodseth <[EMAIL PROTECTED]> wrote: > The docs say: > > If the horizontalScrollPolicy is ScrollPolicy.AUTO, the horizontal > scroll bar appears when all of the following are true: > > * One of the container's children extends beyond the left edge or > right edge of the container. > * The clipContent property is true. > * The width and height of the container are large enough to > reasonably accommodate a scroll bar. > > And sure enough, if I set a static minimum on tiledView, I get the > desired effect. > > If I expand a tile and change the minimum to something else, any idea > which invalidate method(s) I should call? > > > On Thu, Jun 5, 2008 at 4:57 PM, Josh McDonald <[EMAIL > PROTECTED]<dznuts%40gmail.com>> > wrote: > > If you want to be able to measure your subcomponents, always use > > setActualSize. I learned that the hard way recently :) > > > > I've recently been doing a whole bunch of measure and updatedisplaylist > > voodoo for a custom container, so I'll be slightly helpful! > > > > -Josh > > > > On Fri, Jun 6, 2008 at 9:36 AM, Richard Rodseth <[EMAIL > > PROTECTED]<rrodseth%40gmail.com>> > wrote: > >> > >> Clearly I haven't mastered layout and measurement. > >> > >> I've implemented a custom component which tiles its children in > >> equal-sized tiles, but also has a state (not a flex state) where one > >> tile fills the component. > >> > >> I subclassed Canvas and set the sizes and positions of children in > >> updateDisplayList. I didn't override measure(), but it works very > >> nicely, resizing children smoothly as it is resized. > >> > >> Now, however, I would like to set a minimum width and height for the > >> tiled view, after which scroll bars appear. The minimum will be > >> different if the component is in the one-tile-expanded case. > >> > >> Can I do this without further mods to my component? > >> Should my updateDisplayList be calling setActualSize rather than > >> setting x,y,width, height? > >> Should I have a measure() implementation? > >> How would it differ from the inherited one? > >> In a scenario like the following, would I set the minWidth and > >> minHeight on the parent or child? > >> Or, to ask another way, do the the scrollpolicy and minimum properties > >> always belong on the same component? > >> > >> <mx:Canvas id="scrollableArea" width="100%" height="100%" > >> verticalScrollPolicy="auto" > >> horizontalScrollPolicy="auto"> > >> > >> <view:TiledCanvas id="tiledView" > >> width="100%" height="100%" > >> > > >> </view:TiledCanvas> > >> </mx:Canvas> > >> > >> Thanks. > > > > > > > > -- > > "Therefore, send not to know For whom the bell tolls. It tolls for thee." > > > > :: Josh 'G-Funk' McDonald > > :: 0437 221 380 :: [EMAIL PROTECTED] <josh%40gfunk007.com> > > > > -- "Therefore, send not to know For whom the bell tolls. It tolls for thee." :: Josh 'G-Funk' McDonald :: 0437 221 380 :: [EMAIL PROTECTED]
