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Posted to users@tapestry.apache.org by egarcia-sms <eg...@swissms.ch> on 2012/05/18 17:10:42 UTC
Rendering another component inside a component
Hi.
I've implemented a component in Tapestry 5, and I need my component to use
<t:actionlink> for some of its rendering, but of course, just using
writer.element("t:actionlink", ...) doesn't work.
What is the preferred approach to render a few components inside another
custom one?
Thanks in advance!
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Re: Rendering another component inside a component
Posted by egarcia-sms <eg...@swissms.ch>.
I'm doing a tree rendering, so I don't think I can use a tml file only, as
the documentation suggested using a component for that. Problem is, when
generating my links manually I don't know the path I'm in, and I cannot use
a relative path.
I'll try your suggestions, thanks a lot!
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Re: Rendering another component inside a component
Posted by Lance Java <la...@googlemail.com>.
One of Tapestry's principles is static structure and dynamic behaviour so
components can't be created at runtime. The MarkupWriter is for writing
HTML, not TML.
Can you do what you want in a tml file instead?
If not, you can do it programatically like this:
Component.tml
-------------
<t:block t:id="block">
<t:eventlink event="foo">doFoo</t:eventlink>
</t:block>
Component.java
--------------
@InjectComponent
private Block block;
public RenderCommand beginRender() {
return new RenderCommand() {
public void render(MarkupWriter writer, RenderQueue queue) {
queue.push(new RenderCommand(){
public void render(MarkupWriter writer, RenderQueue queue) {
// do stuff after the block
}
});
queue.push(typeCoercer.coerce(block, RenderCommand.class);
queue.push(new RenderCommand(){
public void render(MarkupWriter writer, RenderQueue queue) {
// do stuff before the block
}
});
}
};
}
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