On 1/28/06, Mark Stosberg <[EMAIL PROTECTED]> wrote:
> You may be interested in referencing the Rails APIs for this, since they
> already have methods for this.
>
> They are named:
>
> url_for
> link_to (ActionView::Helpers::UrlHelper)
> link_to_function (ActionView::Helpers::JavaScriptHelper)
> link_to_if (ActionView::Helpers::UrlHelper)
> link_to_image (ActionView::Helpers::UrlHelper)
> link_to_remote (ActionView::Helpers::JavaScriptHelper)
> link_to_unless (ActionView::Helpers::UrlHelper)
> link_to_unless_current
I think the only one that really applies is the url_for method. The
others are all HTML generating methods that happen to also create
URLs. Those methods are more apt for something like the
HTML::Prototype library (which already supports link_to_function and
link_to_remote).
> I haven't read through their docs enough myself to have an opinion yet
> about how much I like any of them, though.
The docs for 'url_for' are actually quite similar to what I have done,
although the parameters are slightly different. I followed a
structure that I was already used to which is the
Template::Plugin::URL interface, which just accepts a URL base as the
first parameter, and a hash of query params as the second parameter.
The URL base is optional and will default to the current URL (minus
the query params and path_info).
>From the query params we can pull out parameters for the path info
depending on the structure of the dispatch table. Here are a couple
of examples:
Lets say we have the following conditions:
current URL: /index.cgi/store/browse
module name: Example::Store
dispatch prefix: Example
root_uri: /eg (This is prepended to any relative URLs)
dispatch table:
':app/gander/:item' => { rm => 'view' },
':app/:rm/:item' => { },
'admin/:app/:rm' => { prefix => 'Example::Admin' },
':app/:rm' => { },
And here are some calls to 'url' with the results:
$self->url( { rm => 'view', item => 'sportscar' } )
--> /eg/index.cgi/store/gander/sportscar
$self->url( { rm => 'buy', item => 'sportscar' } )
--> /eg/index.cgi/store/buy/sportscar
$self->url( { rm => 'buy', item => 'sportscar' , options =>
['color:red', 'interior:leather'] } )
-->
/eg/index.cgi/store/buy/sportscar?options=color:red&options=interior:leather
$self->url( { app => 'Example::Admin::Products', rm => 'list' } )
--> /eg/index.cgi/admin/products/list
$self->url( { app => 'Example::Cart', rm => 'add', item =>
'sportscar', qty => 1 } )
--> /eg/index.cgi/cart/add/sportscar?qty=1
$self->url( { app => 'Example::Cart', rm => 'clear' } )
--> /eg/index.cgi/cart/clear
$self->url( 'http://expensivecars.com/index.cgi', { product => 'sportscar' } )
--> http://expensivecars.com/index.cgi?product=sportcar
$self->url( 'css/styles.css' )
--> /eg/css/style.css
$self->url( '/js/calendar.js' )
--> /js/calendar.js
Of course, I still have to write a test suite to make sure that all of
these actually work properly... Also, I just typed those out in this
email as examples of what I think should work so it is quite possible
that I made a mistake or two.
Cheers,
Cees
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