I moved it to the tutorials project: http://svn.apache.org/repos/asf/pivot/trunk/tutorials/src/org/apache/pivot/tutorials/databinding/property_binding.bxml http://svn.apache.org/repos/asf/pivot/trunk/tutorials/src/org/apache/pivot/tutorials/databinding/PropertyBinding.java
On Jul 14, 2010, at 12:04 AM, Michael Allman wrote: > Greg, > > I get a 404 when I go to the source code URL. Can you check it please? > > Michael > > > On Fri, 9 Jul 2010, Greg Brown wrote: > >> Hi all, >> >> This feature is now complete. BXMLSerializer now supports dynamic namespace >> binding via the syntax I suggested in my earlier email. You can see a demo >> here: >> >> http://ixnay.biz/pivot-demos/namespace-binding.html >> >> The source code is here: >> >> http://svn.apache.org/repos/asf/pivot/trunk/demos/src/org/apache/pivot/demos/binding/ >> >> I'm pretty happy with how it turned out. Let me know what you think. >> >> G >> >> On Jul 8, 2010, at 10:40 AM, Greg Brown wrote: >> >>> FYI, I have just checked in initial support for this feature. I haven't >>> hooked it in to BXMLSerializer yet, but you can see it in action here: >>> >>> http://svn.apache.org/repos/asf/pivot/trunk/demos/src/org/apache/pivot/demos/binding/ >>> >>> >>> On Jul 5, 2010, at 3:45 PM, Greg Brown wrote: >>> >>>> Another question that seems to come up fairly often is - "does Pivot >>>> support dynamic data binding like Flex?" Historically, the answer we have >>>> given is, "no, Pivot's data binding support is based on a load/store model >>>> that maps well to client/server applications such as REST clients." >>>> >>>> However, there are cases where Flex-like data binding can be useful. Given >>>> the recent updates to BXMLSerializer, I think it may now be relatively >>>> straightforward to implement. It may also be a good way to support >>>> dynamically updatable styles, since style values are simply page >>>> variables, just like everything else. Consider the following example: >>>> >>>> <Label text="$text"> >>>> <styles color="$styles.color"/> >>>> </Label> >>>> >>>> When loaded, the text property of the label will be set to the value of >>>> the "text" variable, and the color style will be set to the value of the >>>> "styles.color" variable. It may be possible to (fairly easily) extend the >>>> syntax of BXML such that something like the following would cause the text >>>> property and color style to automatically reflect changes to the source >>>> variable: >>>> >>>> <Label text="${text}"> >>>> <styles color="${styles.color}"/> >>>> </Label> >>>> >>>> Basically, this syntax (or something like it) would be a cue to the >>>> serializer to register a change listener on the given variable and >>>> propagate any changes to the bound property. >>>> >>>> I haven't prototyped it, so I'm not sure what hidden gotchas we might run >>>> into, but I think it could work. The primary trick will be in determining >>>> the type of the parent object and registering an appropriate listener. For >>>> example, if "styles" in the above example is a Map, we would register a >>>> MapListener on the "styles" object to be notified of changes to the >>>> "color" variable. If it is a bean, we'd need to use something like the >>>> BeanMonitor class used in the Component Explorer demo. That means we'd >>>> probably want to move that class to org.apache.pivot.beans (which might be >>>> worth doing anyways). >>>> >>>> Let me know what you think. If there is sufficient interest, I may try to >>>> get it working. >>>> >>>> G >>>> >>>> >>> >>
