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John Kopanas

2006-Nov-22 14:28 UTC

Sweetest Way To Created Alternate Colored Rows

There are many ways to create altnerate colors rows in a table but I
was wondering if their is a nice Rails or Ruby way of doing it?  Any
suggestions? :-)

Your Friend,

John

-- 
John Kopanas
john-Iau1QiYlxLpBDgjK7y7TUQ@public.gmane.org

http://www.kopanas.com
http://www.cusec.net
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David Smalley

2006-Nov-22 14:33 UTC

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Re: Sweetest Way To Created Alternate Colored Rows

cycle()

http://api.rubyonrails.org/classes/ActionView/Helpers/TextHelper.html#M000518


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John Kopanas

2006-Nov-22 14:38 UTC

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Re: Sweetest Way To Created Alternate Colored Rows

This is the way I did it:

	<% counter = 0 %>
	<% @companies.each do |company| -%>
		<li class="<%= ((counter % 2) == 0) ? ''light'' :
''dark'' %>">
			<% counter += 1 %>


I am sure their is a better way though.  I hope :-)

On 11/22/06, John Kopanas
<kopanas-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:> There are many ways to create altnerate colors rows in a table but I
> was wondering if their is a nice Rails or Ruby way of doing it?  Any
> suggestions? :-)
>
> Your Friend,
>
> John
>
> --
> John Kopanas
> john-Iau1QiYlxLpBDgjK7y7TUQ@public.gmane.org
>
> http://www.kopanas.com
> http://www.cusec.net
> http://www.soen.info
>

-- 
John Kopanas
john-Iau1QiYlxLpBDgjK7y7TUQ@public.gmane.org

http://www.kopanas.com
http://www.cusec.net
http://www.soen.info

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Peter De Berdt

2006-Nov-22 14:49 UTC

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Re: Sweetest Way To Created Alternate Colored Rows

On 22 Nov 2006, at 15:28, John Kopanas wrote:> There are many ways to create altnerate colors rows in a table but I
> was wondering if their is a nice Rails or Ruby way of doing it?  Any
> suggestions? :-)http://rubyonrails.org/api/classes/ActionView/Helpers/ 
TextHelper.html#M000518
cycle(first_value, *values)
Returns a Cycle object whose to_s value cycles through items of an  
array every time it is called. This can be used to alternate classes  
for table rows:
   <%- for item in @items do -%>
     <tr class="<%= cycle("even", "odd")
%>">
       ... use item ...
     </tr>
   <%- end -%>
You can use named cycles to prevent clashes in nested loops. You‘ll  
have to reset the inner cycle, manually:
   <%- for item in @items do -%>
     <tr class="<%= cycle("even", "odd", :name
=> "row_class")
       <td>
         <%- for value in item.values do -%>
           <span style="color:''<%= cycle("red",
"green", "blue"
                                         :name => "colors")
%>''">
             item
           </span>
         <%- end -%>
         <%- reset_cycle("colors") -%>
       </td>
    </tr>
  <%- end -%>
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Ed Hickey

2006-Nov-22 14:56 UTC

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Re: Sweetest Way To Created Alternate Colored Rows

look into the ''cycle'' method.  you can cycle through a couple
different
colors or CSS styles.  for example, in your partial or in your output loop
for the table:

<% css_class = cycle(''report_detail_row'',
''report_detail_row_alt'') -%>

and then put that in your table/div output
ed

On 11/22/06, John Kopanas
<kopanas-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:>
>
> There are many ways to create altnerate colors rows in a table but I
> was wondering if their is a nice Rails or Ruby way of doing it?  Any
> suggestions? :-)
>
> Your Friend,
>
> John
>
> --
> John Kopanas
> john-Iau1QiYlxLpBDgjK7y7TUQ@public.gmane.org
>
> http://www.kopanas.com
> http://www.cusec.net
> http://www.soen.info
>
> >
>

-- 
Ed Hickey
Developer
Litmus Media
816-533-0409
ehickey-A4HEbNdjHgMmlAP/+Wk3EA@public.gmane.org
A Member of Think Partnership, Inc
www.ThinkPartnership.com
Amex ticker symbol: THK


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Alan C Francis

2006-Nov-22 15:05 UTC

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Re: Sweetest Way To Created Alternate Colored Rows

John Kopanas wrote:> This is the way I did it:
> 
> 	<% counter = 0 %>
> 	<% @companies.each do |company| -%>
> 		<li class="<%= ((counter % 2) == 0) ?
''light'' : ''dark'' %>">
> 			<% counter += 1 %>
> 
> 
> I am sure their is a better way though.  I hope :-)

http://rubyonrails.org/api/classes/ActionView/Helpers/TextHelper.html#M000518

<% @companies.each do |company| -%>
    <li class="<%= cycle("light", "dark")
%>">

Alan

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jake

2006-Nov-22 15:30 UTC

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Re: Sweetest Way To Created Alternate Colored Rows

or you could write:
<% @companies.each do |company| -%>
		<li class="<%=
cycle([''light'',''dark'']) %>">


--jake


Ed Hickey wrote:> look into the ''cycle'' method.  you can cycle through a
couple different
> colors or CSS styles.  for example, in your partial or in your output 
> loop
> for the table:
> 
> <% css_class = cycle(''report_detail_row'',
''report_detail_row_alt'') -%>
> 
> and then put that in your table/div output
> ed
> 
> On 11/22/06, John Kopanas
<kopanas-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>> --
>> John Kopanas
>> john-Iau1QiYlxLpBDgjK7y7TUQ@public.gmane.org
>>
>> http://www.kopanas.com
>> http://www.cusec.net
>> http://www.soen.info
>>
>> >
>>
> 
> 
> --
> Ed Hickey
> Developer
> Litmus Media
> 816-533-0409
> ehickey-A4HEbNdjHgMmlAP/+Wk3EA@public.gmane.org
> A Member of Think Partnership, Inc
> www.ThinkPartnership.com
> Amex ticker symbol: THK

-- 
Posted via http://www.ruby-forum.com/.

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jake

2006-Nov-22 15:32 UTC

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Re: Sweetest Way To Created Alternate Colored Rows

sorry, i think you need to just give it the list of strings and not an
Array.  So the following would be correct:
<li class="<%=
cycle(''light'',''dark'') %>">

--jake

jake wrote:> or you could write:
> <% @companies.each do |company| -%>
> 		<li class="<%=
cycle([''light'',''dark'']) %>">
> 
> 
> --jake
> 
> 
> Ed Hickey wrote:
>> look into the ''cycle'' method.  you can cycle through
a couple different
>> colors or CSS styles.  for example, in your partial or in your output 
>> loop
> 
>> for the table:
>> 
>> <% css_class = cycle(''report_detail_row'',
''report_detail_row_alt'') -%>
>> 
>> and then put that in your table/div output
>> ed
>> 
>> On 11/22/06, John Kopanas
<kopanas-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>>> --
>>> John Kopanas
>>> john-Iau1QiYlxLpBDgjK7y7TUQ@public.gmane.org
>>>
>>> http://www.kopanas.com
>>> http://www.cusec.net
>>> http://www.soen.info
>>>
-- 
Posted via http://www.ruby-forum.com/.

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Alex Wayne

2006-Nov-22 16:12 UTC

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Re: Sweetest Way To Created Alternate Colored Rows

jake wrote:> <li class="<%=
cycle(''light'',''dark'') %>">
Holy crap, that is awesome.

I love stumbling onto these happy little nuggets that show how I have 
been doing things the hard way for a long time.

-- 
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John Oxley

2006-Nov-28 09:06 UTC

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Re: Sweetest Way To Created Alternate Colored Rows

<% counter = 0 -%>
<% @companies.each do |company| -%>
   <li class="Line<%= counter -%>">
   <% counter = 1 - counter -%>

On Wed, Nov 22, 2006 at 09:38:29AM -0500, John Kopanas
wrote:> 
> This is the way I did it:
> 
> 	<% counter = 0 %>
> 	<% @companies.each do |company| -%>
> 		<li class="<%= ((counter % 2) == 0) ?
''light'' : ''dark'' %>">
> 			<% counter += 1 %>
> 
> 
> I am sure their is a better way though.  I hope :-)
> 
> On 11/22/06, John Kopanas
<kopanas-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > There are many ways to create altnerate colors rows in a table but I
> > was wondering if their is a nice Rails or Ruby way of doing it?  Any
> > suggestions? :-)
> >
> > Your Friend,
> >
> > John
> >
> > --
> > John Kopanas
> > john-Iau1QiYlxLpBDgjK7y7TUQ@public.gmane.org
> >
> > http://www.kopanas.com
> > http://www.cusec.net
> > http://www.soen.info
> >
> 
> 
> -- 
> John Kopanas
> john-Iau1QiYlxLpBDgjK7y7TUQ@public.gmane.org
> 
> http://www.kopanas.com
> http://www.cusec.net
> http://www.soen.info
> 
> > 
> 
-- 
John Oxley
Systems Administrator
Yo!Africa
E-Mail:  john at yoafrica.com
Tel:     +263 4 858404
"The original point and click interface, was a Smith and Wesson."

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Jorge Bernal ''Koke''

2006-Nov-28 09:25 UTC

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Re: Sweetest Way To Created Alternate Colored Rows

I usually do this with JS, since that way I don''t have to add extra
classes
to each row.

addEvent(window, "load", zebratables_init);

function zebratables_init() {
    var even = false;
    if (!document.getElementsByTagName) return;
    tbls = document.getElementsByTagName("table");
    for (ti=0;ti<tbls.length;ti++) {
        thisTbl = tbls[ti];
        if ((('' ''+thisTbl.className+''
'').indexOf("zebra") != -1) &&
(thisTbl.id)) {
		    for (j=1;j<thisTbl.rows.length;j++) {
			thisTbl.rows[j].className 		             even ? ''tr_even'' :
''tr_odd'';
		        // flip from odd to even, or vice-versa
		        even =  ! even;
			}
        }
    }
}



2006/11/28, John Oxley
<john-JA4dDRuU84dWk0Htik3J/w@public.gmane.org>:>
> <% counter = 0 -%>
> <% @companies.each do |company| -%>
>    <li class="Line<%= counter -%>">
>    <% counter = 1 - counter -%>
>
> On Wed, Nov 22, 2006 at 09:38:29AM -0500, John Kopanas wrote:
> >
> > This is the way I did it:
> >
> >       <% counter = 0 %>
> >       <% @companies.each do |company| -%>
> >               <li class="<%= ((counter % 2) == 0) ?
''light'' : ''dark'' %>">
> >                       <% counter += 1 %>
> >
> >
> > I am sure their is a better way though.  I hope :-)
> >
> > On 11/22/06, John Kopanas
<kopanas-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > > There are many ways to create altnerate colors rows in a table
but I
> > > was wondering if their is a nice Rails or Ruby way of doing it? 
Any
> > > suggestions? :-)
> > >
> > > Your Friend,
> > >
> > > John
> > >
> > > --
> > > John Kopanas
> > > john-Iau1QiYlxLpBDgjK7y7TUQ@public.gmane.org
> > >
> > > http://www.kopanas.com
> > > http://www.cusec.net
> > > http://www.soen.info
> > >
> >
> >
> > --
> > John Kopanas
> > john-Iau1QiYlxLpBDgjK7y7TUQ@public.gmane.org
> >
> > http://www.kopanas.com
> > http://www.cusec.net
> > http://www.soen.info
> >
> > >
> >
>
> --
> John Oxley
> Systems Administrator
> Yo!Africa
> E-Mail:  john at yoafrica.com
> Tel:     +263 4 858404
> "The original point and click interface, was a Smith and Wesson."
>
> >
>
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Phlip

2006-Nov-28 22:21 UTC

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Re: Sweetest Way To Created Alternate Colored Rows

John Oxley wrote:
> <% counter = 0 -%>
> <% @companies.each do |company| -%>
Untested warning:

<% @companies.each_with_index do |company, idx| -%>
   <li class="Line<%= idx % 2 -%>">
...

-- 
  Phlip
  http://www.greencheese.us/ZeekLand <-- NOT a blog!!!

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Deirdre Saoirse Moen

2006-Nov-28 22:28 UTC

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Re: Sweetest Way To Created Alternate Colored Rows

I don''t like cycle because I want NO class in the non-even rows. Why
make it harder for the browser to render your table?

<% @registrations.each_with_index do |registration, i| %>
  <% row_class = i%2 == 1 ? '''' : ''
class="even"'' %>
  <tr<%= row_class %>>
    [...]
  </tr>
<% end %>

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Rimantas Liubertas

2006-Nov-29 16:10 UTC

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Re: Sweetest Way To Created Alternate Colored Rows

> I don''t like cycle because I want NO class in the non-even rows.
Why
> make it harder for the browser to render your table?
>
> <% @registrations.each_with_index do |registration, i| %>
>   <% row_class = i%2 == 1 ? '''' : ''
class="even"'' %>
>   <tr<%= row_class %>>
>     [...]
>   </tr>
> <% end %>
Now let''s try the same with cycle:

 <% @registrations.each  do |registration| %>
  <tr <%= cycle('''',
''class="even"'') -%>>
     [...]
   </tr>
<% end %>


Regards,
Rimantas
--
http://rimantas.com/

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Brian Hogan

2006-Nov-29 18:16 UTC

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Re: Sweetest Way To Created Alternate Colored Rows

I also do this with Javascript instead.

On 11/29/06, Rimantas Liubertas
<rimantas-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:>
>
> > I don''t like cycle because I want NO class in the non-even
rows. Why
> > make it harder for the browser to render your table?
> >
> > <% @registrations.each_with_index do |registration, i| %>
> >   <% row_class = i%2 == 1 ? '''' : ''
class="even"'' %>
> >   <tr<%= row_class %>>
> >     [...]
> >   </tr>
> > <% end %>
>
> Now let''s try the same with cycle:
>
> <% @registrations.each  do |registration| %>
>   <tr <%= cycle('''',
''class="even"'') -%>>
>      [...]
>    </tr>
> <% end %>
>
>
> Regards,
> Rimantas
> --
> http://rimantas.com/
>
> >
>

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Rails - Nov 2006 - Sweetest Way To Created Alternate Colored Rows

Sweetest Way To Created Alternate Colored Rows

Re: Sweetest Way To Created Alternate Colored Rows

Re: Sweetest Way To Created Alternate Colored Rows

Re: Sweetest Way To Created Alternate Colored Rows

Re: Sweetest Way To Created Alternate Colored Rows

Re: Sweetest Way To Created Alternate Colored Rows

Re: Sweetest Way To Created Alternate Colored Rows

Re: Sweetest Way To Created Alternate Colored Rows

Re: Sweetest Way To Created Alternate Colored Rows

Re: Sweetest Way To Created Alternate Colored Rows

Re: Sweetest Way To Created Alternate Colored Rows

Re: Sweetest Way To Created Alternate Colored Rows

Re: Sweetest Way To Created Alternate Colored Rows

Re: Sweetest Way To Created Alternate Colored Rows

Re: Sweetest Way To Created Alternate Colored Rows