Re: Idiomatic way to reference shared images?
On Thu, Oct 22, 2009 at 09:15:35AM +0200, Ceki Gulcu wrote: > Hi John, > > Thank you for your answer. I was already aware of the idiomatic way for > referencing packaged resources. It is a nice way for bundling images > which are used within a package. My question was about images shared > among multiple packages. Not sure what you mean. The Image/ResourceReference solution works fine across packages and even across modules, e.g. your images could be part of a shared library and used by a component in your application. > Of course the interesting part is that the "help.gif" file is located as > a resource of my web-app and *not* part of WEB-INF/lib or > WEB-INF/classes. Ah, I see, you want to put it there. Is there a technical reason for this or is it just a preference? Seems to me to be a lot less flexible than simply letting your images live on the classpath, since you lose the ability to later package the images in a shared JAR. jk - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Idiomatic way to reference shared images?
Hi John,
Thank you for your answer. I was already aware of the idiomatic way for
referencing packaged resources. It is a nice way for bundling images which are
used within a package. My question was about images shared among multiple packages.
Igor VaynBerg suggested adding a ContextImage which is what I was looking for.
Another person (alankila) suggested images defined by ContextRelativeResource.
Here is sample code:
public class MyPage extends WebPage {
public Contact() {
ContextImage ci = new ContextImage("helpImage", "images/help.gif");
add(ci);
}
}
Associated markup:
Of course the interesting part is that the "help.gif" file is located as a
resource of my web-app and *not* part of WEB-INF/lib or WEB-INF/classes.
HTH,
John Krasnay wrote:
On Wed, Oct 21, 2009 at 07:57:12PM +0200, Ceki Gulcu wrote:
Hello,
I am trying to defined shared images in a Wicket application.
In my prokect, the image file "help.gif" is located under the
src/main/java/com/foo/ folder of my project. I have created an empty
class called Images.
package com.foo;
public class Images {
}
In the init() method of my web-application, I add help.gif as a shared resource:
public class MyApplication extends WebApplication {
@Override
protected void init() {
...
PackageResource pr = PackageResource.get(Images.class, "help.gif");
sharedResources.add("help.gif", pr);
}
}
I normally don't need to do anything in my app's init() method for images.
In markup, I attempt to access the images as
You would use when the image is in the same package as the
markup. In this case, you would just put in and Wicket
will re-write the src attribute to the right value. This works well if you like
to preview your markup in a browser.
Since your images are (I think) in a different package, you should get rid of
the tag.
(Actually, I think using a relative path to the right package in src might
work with , but I never do it that way. See below.)
Unfortunately, this does not seem to work. However, the following
markup works just fine but it's too cumbersome to write.
Reading page 229 of the Wicket in Action book, I would have thought
that the "/resources/help.gif" reference would have worked. Quoting
from the book:
The resource is then available through a stable URL (/resources/discounts),
independent of components. (page 229)
What is the idiomatic way in Wicket to reference shared images?
Here's my idiom. First, in the same package as my images, I create a class that
extends ResourceReference:
public class MyImage extends ResourceReference {
public MyImage(String name) {
super(MyImage.class, name);
}
}
Then, I attach an Image component to the tag:
add(new Image("smiley", new MyImage("smiley.gif")));
No code needed in Application.init(), and no tags required.
jk
--
Ceki Gülcü
Logback: The reliable, generic, fast and flexible logging framework for Java.
http://logback.qos.ch
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Re: Idiomatic way to reference shared images?
On Wed, Oct 21, 2009 at 07:57:12PM +0200, Ceki Gulcu wrote:
> Hello,
>
> I am trying to defined shared images in a Wicket application.
>
> In my prokect, the image file "help.gif" is located under the
> src/main/java/com/foo/ folder of my project. I have created an empty
> class called Images.
>
> package com.foo;
> public class Images {
> }
>
> In the init() method of my web-application, I add help.gif as a shared
> resource:
>
> public class MyApplication extends WebApplication {
>
>
> @Override
> protected void init() {
> ...
> PackageResource pr = PackageResource.get(Images.class, "help.gif");
> sharedResources.add("help.gif", pr);
> }
> }
>
I normally don't need to do anything in my app's init() method for images.
> In markup, I attempt to access the images as
>
>
>
>
>
You would use when the image is in the same package as the
markup. In this case, you would just put in and Wicket
will re-write the src attribute to the right value. This works well if you like
to preview your markup in a browser.
Since your images are (I think) in a different package, you should get rid of
the tag.
(Actually, I think using a relative path to the right package in src might
work with , but I never do it that way. See below.)
> Unfortunately, this does not seem to work. However, the following
> markup works just fine but it's too cumbersome to write.
>
>
>
>
>
> Reading page 229 of the Wicket in Action book, I would have thought
> that the "/resources/help.gif" reference would have worked. Quoting
> from the book:
>
> The resource is then available through a stable URL (/resources/discounts),
> independent of components. (page 229)
>
> What is the idiomatic way in Wicket to reference shared images?
>
Here's my idiom. First, in the same package as my images, I create a class that
extends ResourceReference:
public class MyImage extends ResourceReference {
public MyImage(String name) {
super(MyImage.class, name);
}
}
Then, I attach an Image component to the tag:
add(new Image("smiley", new MyImage("smiley.gif")));
No code needed in Application.init(), and no tags required.
jk
> Many thanks in advance for your response,
>
> --
> Ceki Gülcü
> Logback: The reliable, generic, fast and flexible logging framework for Java.
> http://logback.qos.ch
>
> -
> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> For additional commands, e-mail: users-h...@wicket.apache.org
>
-
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Idiomatic way to reference shared images?
Hello,
I am trying to defined shared images in a Wicket application.
In my prokect, the image file "help.gif" is located under the
src/main/java/com/foo/ folder of my project. I have created an empty
class called Images.
package com.foo;
public class Images {
}
In the init() method of my web-application, I add help.gif as a shared resource:
public class MyApplication extends WebApplication {
@Override
protected void init() {
...
PackageResource pr = PackageResource.get(Images.class, "help.gif");
sharedResources.add("help.gif", pr);
}
}
In markup, I attempt to access the images as
Unfortunately, this does not seem to work. However, the following
markup works just fine but it's too cumbersome to write.
Reading page 229 of the Wicket in Action book, I would have thought
that the "/resources/help.gif" reference would have worked. Quoting
from the book:
The resource is then available through a stable URL (/resources/discounts),
independent of components. (page 229)
What is the idiomatic way in Wicket to reference shared images?
Many thanks in advance for your response,
--
Ceki Gülcü
Logback: The reliable, generic, fast and flexible logging framework for Java.
http://logback.qos.ch
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
