[Seaside] html & css basics and tutorial
r00tuk at gmail.com
Wed Nov 26 11:04:37 UTC 2008
That is helpful and the class is WAHtmlCanvas.
2008/11/26 Steve Aldred <aldreds at velocitynet.com.au>
> r00t uk wrote:
>> Thanks for the response and I completely agree with you that it is not
>> Seaside's place to teach HTML. What I am looking for is the Smalltalk
>> expressions used to create the HTML, i.e. the "receiver, message selector
>> and arguments". For example, to display a url in HTML you would type:
>> <a href="http://www.w3schools.com/">Visit W3Schools!</a>
>> but in Smalltalk you would type the following in a "rendering" method:
>> html anchor url: 'www.3schools.com <http://www.3schools.com>'; with:
>> 'Visit W3Schools!'.
>> Now, without using CSS, you are able to change font, font-size, style etc.
>> of the link above, but how is it done using Smalltalk expressions?
>> How, or where can I find information that will give me valid "receiver,
>> message selector and arguments"? I assume that the "receiver" will always
>> be "html".
>> I hope that clarifies my question(s)? If it is a matter of just working
>> your way through class libraries and comments (which ones?) then that
>> is what I will do. Just feels like there must be an easier way for
>> finding the information.
> Sorry but I'm still not sure what you are asking. Do you mean what methods
> do you send to generate the various HTML tags? If so look for the
> implementor of #anchor (I think its WACanvas but haven't an image in front
> of me). That will give you all of the messages for components/tags. The
> implementor will site the tag brush class.
> To find what you can send to a tag it is pretty much examine the tag brush
> class and its hierarchy. As always in Smalltalk the code is the most up to
> date documentation. Luckily it doesn't take long to learn the common methods
> you need.
> As for CSS, there mostly won't be methods for controlling style on a
> component/tag. The code is for the structure and behaviour, CSS is for the
> look/style. You can implement a #style method on your components to define
> the CSS. If the tag or tag path is not sufficient, set id and class on your
> components. Just make sure if you use ids they are unique, we only tend to
> use those for singletons on a page. In our development we tend to have few
> style methods, mostly its defined on a Look&Feel class we use as a container
> for everything else.
> Steve A
> seaside mailing list
> seaside at lists.squeakfoundation.org
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