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Posted to users@tapestry.apache.org by Lu Mudong <mu...@hotmail.com> on 2010/11/29 01:08:45 UTC
How to extend a parent template
Hello, list,
I am pretty new to tapestry. I am trying to figure out how to extend a parent template, all the googling and tutorials didn't help.
All the examples I found extend a parent template like below:
<t:extend xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"> ......</t:extend>
Let's say I have a parent template named base.tml, I want the child template homepage.tml to extend base.tml, how is the child template homepage.tml supposed to know what its parent template is?
thanks,
Ron
Re: How to extend a parent template
Posted by Geoff Callender <ge...@gmail.com>.
The link http://jumpstart.doublenegative.com.au/jumpstart/examples/layoutwithmenu/page1
has been replaced by:
http://jumpstart.doublenegative.com.au/jumpstart/previews/withlayout/helloworld
and for more about components try:
http://jumpstart.doublenegative.com.au/jumpstart/examples/component/crud/persons
On 29/11/2010, at 11:49 AM, Paul Stanton wrote:
> Hi Ron,
>
> In tapestry you need to think of a 'template' as a 'component'. Components don't 'extend' each other, however they can be included within one another.
>
> Components can be made flexible enough so that they can defer sections to their containing component via parameters or the body (<t:body />) component.
>
> These might help you understand the concept.
>
> http://tapestry.apache.org/layout-component.html
> http://jumpstart.doublenegative.com.au/jumpstart/examples/layoutwithmenu/page1
>
> p.
>
> On 29/11/2010 11:08 AM, Lu Mudong wrote:
>> Hello, list,
>> I am pretty new to tapestry. I am trying to figure out how to extend a parent template, all the googling and tutorials didn't help.
>> All the examples I found extend a parent template like below:
>> <t:extend xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"> ......</t:extend>
>> Let's say I have a parent template named base.tml, I want the child template homepage.tml to extend base.tml, how is the child template homepage.tml supposed to know what its parent template is?
>> thanks,
>> Ron
>>
>>
>>
>
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Re: How to extend a parent template
Posted by Paul Stanton <pa...@mapshed.com.au>.
Hi Ron,
In tapestry you need to think of a 'template' as a 'component'.
Components don't 'extend' each other, however they can be included
within one another.
Components can be made flexible enough so that they can defer sections
to their containing component via parameters or the body (<t:body />)
component.
These might help you understand the concept.
http://tapestry.apache.org/layout-component.html
http://jumpstart.doublenegative.com.au/jumpstart/examples/layoutwithmenu/page1
p.
On 29/11/2010 11:08 AM, Lu Mudong wrote:
> Hello, list,
> I am pretty new to tapestry. I am trying to figure out how to extend a parent template, all the googling and tutorials didn't help.
> All the examples I found extend a parent template like below:
> <t:extend xmlns:t="http://tapestry.apache.org/schema/tapestry_5_1_0.xsd"> ......</t:extend>
> Let's say I have a parent template named base.tml, I want the child template homepage.tml to extend base.tml, how is the child template homepage.tml supposed to know what its parent template is?
> thanks,
> Ron
>
>
>
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RE: How to extend a parent template
Posted by Lu Mudong <mu...@hotmail.com>.
Thanks, guys, now I understand. I think I need to dig more on this. At least at the moment, Django's approach seems more flexible to me
Ron
> Date: Sun, 28 Nov 2010 21:47:04 -0800
> Subject: Re: How to extend a parent template
> From: joshcanfield@gmail.com
> To: users@tapestry.apache.org
>
> http://tapestry.apache.org/tapestry5.1/guide/templates.html
>
> Look at the template inheritance section.
>
> In general you should choose composition over inheritance, but if you want
> to have a base class for your pages there is a way to inherit and extend a
> templates.
>
> What you might want to investigate is the layout pattern. You create a
> component that renders the main layout and then individual pages add the
> content. There is an example in the maven archetype.
> On 28 Nov 2010 16:09, "Lu Mudong" <mu...@hotmail.com> wrote:
Re: How to extend a parent template
Posted by Josh Canfield <jo...@gmail.com>.
http://tapestry.apache.org/tapestry5.1/guide/templates.html
Look at the template inheritance section.
In general you should choose composition over inheritance, but if you want
to have a base class for your pages there is a way to inherit and extend a
templates.
What you might want to investigate is the layout pattern. You create a
component that renders the main layout and then individual pages add the
content. There is an example in the maven archetype.
On 28 Nov 2010 16:09, "Lu Mudong" <mu...@hotmail.com> wrote: