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From Scott Lanham <li...@sael.com.au>
Subject Re: Tutorial Runtime Error
Date Tue, 04 Aug 2009 01:05:16 GMT
Thanks for the link I will have a look.

On Tue, 4 Aug 2009 08:51:23 am Todd Volkert wrote:
> Actually, in case you haven't read it yet, the WTKX primer on the Wiki is a
> really good resource.  It can be found at
> http://cwiki.apache.org/PIVOT/wtkx-primer.html
> Cheers,
> -T
>
> On Mon, Aug 3, 2009 at 6:50 PM, Todd Volkert <tvolkert@gmail.com> wrote:
> > Hi Scott,
> > <ImageView image="..." /> translates to ImageView.setImage(String) (
> > http://incubator.apache.org/pivot/1.3/docs/api/org/apache/pivot/wtk/Image
> >View.html#setImage(java.lang.String)), where the string is a resource name
> > as per ClassLoader.getResource(String) (
> > http://java.sun.com/javase/6/docs/api/java/lang/ClassLoader.html#getResou
> >rce(java.lang.String) ).
> >
> > Thus, the path to your image must be found on your classpath.
> >
> > Alternatively, you can prepend the string with "@" and use a relative
> > path, in which case the value will be converted to a URL relative to your
> > WTKX file, and Imageview.setImage(URL) will be called.
> >
> > Hope that helps,
> > -T
> >
> > On Mon, Aug 3, 2009 at 6:40 PM, Scott Lanham <lists@sael.com.au> wrote:
> >> Hello,
> >>
> >> I am up to the part of the tutorial:
> >> http://cwiki.apache.org/PIVOT/labels-
> >> image-views.html<http://cwiki.apache.org/PIVOT/labels-%0Aimage-views.htm
> >>l>and am doing something wrong but can't figure it out.
> >>
> >> Instead of just using the tutorial code as is I like to change things
> >> slightly
> >> so that I get a better feel for the toolkit. So I changed the location
> >> of the
> >> clock.png file but I get a "Null Image Alert" from the following code:
> >>
> >> <Window title="Labels" maximized="true"
> >>    xmlns:wtkx="http://incubator.apache.org/pivot/wtkx/1.1"
> >> xmlns="pivot.wtk">
> >>    <content>
> >>        <FlowPane styles="{padding:4, verticalAlignment:'center'}">
> >>            <ImageView image="/home/scott/devel/src/clock.png"
> >> cursor="crosshair"/>
> >>            <Label text="What time is it?"/>
> >>        </FlowPane>
> >>    </content>
> >> </Window>
> >>
> >> The file does exist in that location as I can take the path and paste it
> >> into a
> >> graphics editor. Any help appreciated.
> >>
> >> Cheers,
> >>
> >> Scott.


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