Re: How to dynamically bind css class to tr (worepetition)

On 1-Aug-06, at 1:20 PM, David LeBer wrote:

>
> On 1-Aug-06, at 12:27 PM, Tony Hoffman wrote:
>
>> I've been looking over the lists and documentation but I can't  
>> find an answer to what I think is a simple question.
>>
>> I am in the process of converting a website from simple html to  
>> css. The chief problem I am having is setting the background color  
>> in WORepetition table rows. Previously, I created a  
>> WOGenericContainer inside the WORepetition and bound the element  
>> "TR" to the attribute "bgcolor" where the binding was set to a  
>> method that returned a string (background color) based on the  
>> value of an object. This worked swimmingly.
>>
>> Now, however, I would like to have the WOGenericContainer set the  
>> background color based on my css stylesheet. I don't know if I  
>> should (or how to) have the elementName / attribute / binding  
>> settings work to insert a class tag on a table row, or if I should  
>> reconfigure the Java code to somehow return a background string by  
>> referring to my stylesheet.
>>
>> Does anyone have any advice on setting the background color of a  
>> WORepetition based on an external CSS stylesheet?
>
> You are on the right track Tony, though there are multiple ways of  
> achieving this.
>
> Here is one:
>
> If you WORepetition wraps a tr then make the tr dynamic (turn it  
> into a WOGenericContainer) then give it an "id" attribute and bind  
> that to a method that returns the name of the css selector for the  
> coloured background or null (if the method returns null, the "id"  
> will not be included in when the WOGenericContainer is rendered).

Argh! The "id" should be "class" if you need to have multiple rows  
coloured.

>
> ie:
>
> .html:
>
> <table><webobject name="GenericContainer1"><td>Cell</td><td>Cell</ 
> td><td>Cell</td></webobject></table>
>
> .wod:
>
> GenericContainer1: WOGenericContainer {
> 	elementName = "tr";
> 	id = rowColourId;
> }
>
> .java:
>
> public String rowColourId() {
> 	String result = null;
> 	if (colourRowCondition()) { // whatever condition should trigger a  
> coloured row background.
> 		result = "rowColour"
> 	}
> 	return result;
> }
>
> .css:
>
> #rowColour {
> 	background-color: #eee;
> }



--
;david

--
David LeBer
Codeferous Software
'co-def-er-ous' adj. Literally 'code-bearing'
site:   http://www.codeferous.com
blog: http://david.codeferous.com
--
Toronto Area Cocoa / WebObjects developers group:
http://www.tacow.org

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