Class-only inheritance
Hi,
Is it possible to have class inheritance without markup inheritance?
I would like a wicket-aware base class (with an associated markup
file) with derived classes supplying data (e.g.. BaseClass with an
'abstract protected String getName()') and no markup files (or XML
files). I know how to do that if the derived classes have markup and
the base class markup has wicket:child, but cannot not figure out if
it can be done without the child markup.
So:
BaseClass.java (with abstract protected String getName(), and
add(new Label(name, getName()));)
BaseClass.html (with a span wicket:id=name/span)
BaseClass.xml
and the derived classes which extend BaseClass:
DerivedClass1.java (with protected String getName() { return
Class1;})
DerivedClass2.java (with protected String getName() { return
Class2;})
Currently, Wicket is trying to apply markup inheritance, but since
I don't have the markup for the derived classes I get:
org.apache.wicket.markup.MarkupNotFoundException: Markup of type 'html'
for component 'com.x.DerivedClass1' not found. Enable debug messages
for org.apache.wicket.util.resource to get a list of all filenames tried:
and
Caused by: org.apache.wicket.WicketRuntimeException: Expected to find
wicket:child/ in base markup
As a work around I can create a data supplier interface, implement
the equivalent of the two derived classes and pass those in to my
BaseClass, but the derived classes are simpler.
Thanks,
DC
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Re: Class-only inheritance
if your DerivedClass1.java does not have markup and your
BaseClass.html does not have a wicket:child tag then DerivedClass1
will use BaseClass' markup. so it should already work as you want,
just remove wicket:child tag.
-igor
On Wed, Jan 26, 2011 at 9:13 AM, DCarr listobser...@gmail.com wrote:
Hi,
Is it possible to have class inheritance without markup inheritance?
I would like a wicket-aware base class (with an associated markup file)
with derived classes supplying data (e.g.. BaseClass with an 'abstract
protected String getName()') and no markup files (or XML files). I know how
to do that if the derived classes have markup and the base class markup has
wicket:child, but cannot not figure out if it can be done without the
child markup.
So:
BaseClass.java (with abstract protected String getName(), and add(new
Label(name, getName()));)
BaseClass.html (with a span wicket:id=name/span)
BaseClass.xml
and the derived classes which extend BaseClass:
DerivedClass1.java (with protected String getName() { return
Class1;})
DerivedClass2.java (with protected String getName() { return
Class2;})
Currently, Wicket is trying to apply markup inheritance, but since I
don't have the markup for the derived classes I get:
org.apache.wicket.markup.MarkupNotFoundException: Markup of type 'html' for
component 'com.x.DerivedClass1' not found. Enable debug messages for
org.apache.wicket.util.resource to get a list of all filenames tried:
and
Caused by: org.apache.wicket.WicketRuntimeException: Expected to find
wicket:child/ in base markup
As a work around I can create a data supplier interface, implement the
equivalent of the two derived classes and pass those in to my BaseClass, but
the derived classes are simpler.
Thanks,
DC
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
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-
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Re: Class-only inheritance
Hm - I'm doing something wrong, then. The BaseClass.html does not have a
wicket:child in it, and I do get that second error message:
Caused by: org.apache.wicket.WicketRuntimeException: Expected to find
wicket:child/ in base markup
This is wicket 1.4.6.
If I turn on debug, I do get this just before the MarkupNotFoundException
exception:
-DEBUG::26 Jan 2011 08:46:58.964::org.apache.wicket.markup.MergedMarkup:
Merge markup: derived markup: DerivedClass1.html; base markup:
BaseClass.html
but never get the list of all filenames tried.
I'll try a simple test case and see if I can spot anything.
Thanks for the speedy reply,
DC.
Igor Vaynberg-2 wrote:
if your DerivedClass1.java does not have markup and your
BaseClass.html does not have a wicket:child tag then DerivedClass1
will use BaseClass' markup. so it should already work as you want,
just remove wicket:child tag.
-igor
On Wed, Jan 26, 2011 at 9:13 AM, DCarr listobser...@gmail.com wrote:
Hi,
Is it possible to have class inheritance without markup inheritance?
I would like a wicket-aware base class (with an associated markup
file)
with derived classes supplying data (e.g.. BaseClass with an 'abstract
protected String getName()') and no markup files (or XML files). I know
how
to do that if the derived classes have markup and the base class markup
has
wicket:child, but cannot not figure out if it can be done without the
child markup.
So:
BaseClass.java (with abstract protected String getName(), and
add(new
Label(name, getName()));)
BaseClass.html (with a )
BaseClass.xml
and the derived classes which extend BaseClass:
DerivedClass1.java (with protected String getName() { return
Class1;})
DerivedClass2.java (with protected String getName() { return
Class2;})
Currently, Wicket is trying to apply markup inheritance, but since I
don't have the markup for the derived classes I get:
org.apache.wicket.markup.MarkupNotFoundException: Markup of type 'html'
for
component 'com.x.DerivedClass1' not found. Enable debug messages for
org.apache.wicket.util.resource to get a list of all filenames tried:
and
Caused by: org.apache.wicket.WicketRuntimeException: Expected to find
wicket:child/ in base markup
As a work around I can create a data supplier interface, implement the
equivalent of the two derived classes and pass those in to my BaseClass,
but
the derived classes are simpler.
Thanks,
DC
-
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For additional commands, e-mail: users-h...@wicket.apache.org
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Re: Class-only inheritance
May have been due to some stale built files or a misconfiguration someplace.
Restarted from scratch in a new project and now works as desired.
Thanks,
DC
DCarr wrote:
Hm - I'm doing something wrong, then. The BaseClass.html does not have a
wicket:child in it, and I do get that second error message:
Caused by: org.apache.wicket.WicketRuntimeException: Expected to find
wicket:child/ in base markup
This is wicket 1.4.6.
If I turn on debug, I do get this just before the MarkupNotFoundException
exception:
-DEBUG::26 Jan 2011 08:46:58.964::org.apache.wicket.markup.MergedMarkup:
Merge markup: derived markup: DerivedClass1.html; base markup:
BaseClass.html
but never get the list of all filenames tried.
I'll try a simple test case and see if I can spot anything.
Thanks for the speedy reply,
DC.
Igor Vaynberg-2 wrote:
if your DerivedClass1.java does not have markup and your
BaseClass.html does not have a wicket:child tag then DerivedClass1
will use BaseClass' markup. so it should already work as you want,
just remove wicket:child tag.
-igor
On Wed, Jan 26, 2011 at 9:13 AM, DCarr listobser...@gmail.com wrote:
Hi,
Is it possible to have class inheritance without markup inheritance?
I would like a wicket-aware base class (with an associated markup
file)
with derived classes supplying data (e.g.. BaseClass with an 'abstract
protected String getName()') and no markup files (or XML files). I know
how
to do that if the derived classes have markup and the base class markup
has
wicket:child, but cannot not figure out if it can be done without the
child markup.
So:
BaseClass.java (with abstract protected String getName(), and
add(new
Label(name, getName()));)
BaseClass.html (with a )
BaseClass.xml
and the derived classes which extend BaseClass:
DerivedClass1.java (with protected String getName() { return
Class1;})
DerivedClass2.java (with protected String getName() { return
Class2;})
Currently, Wicket is trying to apply markup inheritance, but since I
don't have the markup for the derived classes I get:
org.apache.wicket.markup.MarkupNotFoundException: Markup of type 'html'
for
component 'com.x.DerivedClass1' not found. Enable debug messages for
org.apache.wicket.util.resource to get a list of all filenames tried:
and
Caused by: org.apache.wicket.WicketRuntimeException: Expected to find
wicket:child/ in base markup
As a work around I can create a data supplier interface, implement
the
equivalent of the two derived classes and pass those in to my BaseClass,
but
the derived classes are simpler.
Thanks,
DC
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
-
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