Action speaks louder than words...
Eelco :)
On 7/23/06, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
> class MyImage extends WebComponent {
> private int width;
> private int height;
> private string url;
> private string text;
>
> public myimage(string id, string url, string text, int width, int height)
> {
> super(id);
> this.url=url;
> ...
> }
>
> void oncomponenttag(tag tag) {
> checkcomponenttag(tag, "img");
> tag.put("src",url);
> tag.put("alt", text);
> tag.put("width", width);
> tag.put("height", "height");
> }
> }
>
> ....
>
> add(new MyImage("img1", "foo.gif", "bar", 200, 330);
> add(new MyImage("img2", "foo2.gif", "bar2", 232, 523);
>
> -Igor
>
>
>
> On 7/23/06, Eelco Hillenius < [EMAIL PROTECTED]> wrote:
> >
> >
> > Among the remaining problems, is the fact that references to image files
> > inside the css don't work
>
> Probably all the same problem of not having them pre-registered.
> Please could you try using the version in svn (WICKET_1_2 branch), or
> download the intermediate version at
> http://sourceforge.net/project/showfiles.php?group_id=119783&package_id=173489&release_id=428730
> ?
>
> There are many components, like the Tree, DatePicker, YUI Slider and
> Calendar etc that work with relative images like that. So far -
> besides that pre-registering - that didn't give any problems.
>
>
> > BTW, I have struggled with another problem about loading images
> dynamically
> > at run time while having to pass not only the file name but the width,
> > height and alt attributes. After days of experiments, I ended with this
> > solution :
> >
> > WebMarkupContainer wmc = new WebMarkupContainer("image0");
> > wmc.add(new AttributeModifier("src", new
> > Model("images/vd-contrebasse.png")));
> > wmc.add(new AttributeModifier("width", new Model("132")));
> > wmc.add(new AttributeModifier("height", new Model("101")));
> > wmc.add(new AttributeModifier("alt", new Model("Mains sur une
> > contrebasse")));
> > add(wmc);
> >
> > Although it works, it looks a bit like brute force ! (This approach also
> > work for linking to a css file, and I suppose it could work for setting
> any
> > attribute of any element, but it looks ugly ! Is there a better way to
> > achieve this ?
>
> Well, first off, programming will always take a few lines here and
> there. The whole trick with Wicket and it's philosophy of reusable
> components is that you hide the ugly parts in components and expose a
> nice API on them.
>
> Instead of those static models (new Model("value")), use dynamic
> models that e.g. work on properties of your component (new
> PropertyModel(this, "alt")).
>
> Furthermore, instead of using attribute modifiers, you could e.g.
> override onComponentTag body, and do your attribute modification there
> like: openTag.getAttributes().put(key, value) or in 2.0 (alpha
> currently) you can even do it int the constructor:
> getMarkupAttributes().put(key, value);
>
> Eelco
>
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