Weblog of A Command Line Junkie: Category Ruby on Rails

erb syntax highlighting with TextMate

admin — Mon, 25 Feb 2008 18:47:00 -0800

I finally am past fixing deprecation errors on older rails sites
and have started generating some new apps with rails 2.0.2
I realized that TextMate had not quite caught on, yet, to the new .erb
file extension and had to edit the property list to add syntax highlighting for
the newly created .erb files.
this is fairly simple
Just go to your Text Mate . app folder and ctrl-click to show package contents
go inside of Contents and then SharedSupport -> Bundles
then, ctrl-click to show package contents for Ruby on Rails.tmbundle
Inside of the folder Syntaxes is a file called HTML (Rails).plist
open it with your text editor or with the property list editor
right below filetypes->array->string->rhtml
just add this line

     <string>erb</string>

///the first few lines of the file should look like this
<dict>
	<key>fileTypes</key>
	<array>
		<string>rhtml</string>
		<string>erb</string>
	</array>

or if you are a commandlinejunkie like me
just type

open /Applications/TextMate.app/Contents/SharedSupport/Bundles/Ruby\ on\ Rails.tmbundle/Syntaxes/HTML\ \(Rails\).plist

and then add a new sibling under the rhtml string for erb as well..
Then restart textmate and your erb files should look just like the rhtml files

Previous/Next Links with calendar_helper plugin

admin — Sat, 09 Feb 2008 19:35:00 -0800

You may have to hack this a little to get it to do exactly what you want ..
The following will go forward to future years but not will go back beyond the current year.
It is not the prettiest thing, but this is what I was required to do and am just offering up the code as a help.

##  put this in your controller

  def setvars
    # You could store this in a Time/Date object instead of two separate integers
    session[:year] ||= Time.now.year
    session[:month] ||= Time.now.month
    $user = User
  end

  def nnext

    session[:month] += 1
    render(:layout => false)

end

  def nprev
    session[:month] -= 1
    render(:layout => false)

 end

#  I put the following in application.rb to use globally

$year = Time.now.year
$month = Time.now.month


## this can go in your view ..

<div id="mini-calendar">


<%= calendar(:year => $year, :month => $month, :table_class => "calendar_helper") do |d|
	"<a href='/calendars/#{d.year}/#{d.mon}/#{d.mday}'>#{d.mday}</a>"
	end 
   %>

	</div>
<%= link_to_remote("Next"), :update => 'mini-calendar', :url => { :controller => "your_controller", :action => :nprev}) %>
<%= link_to_remote("Previous"), :update => 'mini-calendar', :url => { :controller => "your_controller", :action => :nnext}) %>

## you will then have to create two new views name nnext and nprev

#  nnext

<% case -%>
<% when session[:month] === 0 %>
<%= calendar(:year => $year, :month => session[:month]+1, :table_class => "calendar_helper") do |d|
	"<a href='/calendars/#{d.year}/#{d.mon}/#{d.mday}'>#{d.mday}</a>"
	end 
%>

<% when session[:month] >= 13 %>

<%= calendar(:year => $year+1, :month => session[:month]-12, :table_class => "calendar_helper") do |d|
	"<a href='/calendars/#{d.year}/#{d.mon}/#{d.mday}'>#{d.mday}</a>"
	end 
%>


<% else -%>

<%= calendar(:year => $year, :month => session[:month], :table_class => "calendar_helper") do |d|
	"<a href='/calendars/#{d.year}/#{d.mon}/#{d.mday}'>#{d.mday}</a>"
	end 
%>
<% end -%>



#nprev


<% case -%>
<% when session[:month] === 0 %>
<%= calendar(:year => $year, :month => session[:month]+1, :table_class => "calendar_helper") do |d|
	"<a href='/calendars/#{d.year}/#{d.mon}/#{d.mday}'>#{d.mday}</a>"
	end 
%>

<% when session[:month] >= 13 %>
<%= calendar(:year => $year+1, :month => session[:month]-12, :table_class => "calendar_helper") do |d|
	"<a href='/calendars/#{d.year}/#{d.mon}/#{d.mday}'>#{d.mday}</a>"
	end 
%>
<% else -%>


<%= calendar(:year => $year, :month => session[:month], :table_class => "calendar_helper") do |d|
	"<a href='/calendars/#{d.year}/#{d.mon}/#{d.mday}'>#{d.mday}</a>"
	end 
%>

<% end -%>

I would love to know how to do this without putting the logic inside the view like this.
As always, if anyone can suggest a better way.. I am game.
Please leave a comment.

A to Z pagination in rails with classic_pagination

admin — Sat, 09 Feb 2008 19:28:00 -0800

##//  first off add this to your controller and make sure 
##//  you have the classic_pagination plugin installed if you are using rails 2.0.x
##//  this is assuming you are wanting to list your users 
##//  and you have fields named name_last and name_first
  def index
    
    conditions = create_conditions do | c |
      
      # Users
      c.and ["( name_last LIKE ?  )",  params[:q] + '%'] 
      end
      
    @pages, @users = paginate :users, :per_page => 15, :conditions => conditions, :order => "name_last, name_first"

  end


#  add this to your view
#  I did this at the top of my list
#  To paginate your A-Z results by 15 users per page
#  you will need to add your pagination links at the bottom of your list

<div class="pagination-links"><a href="users?q=A">A</a>&nbsp;&nbsp;<a href="users?q=B">B</a>&nbsp;&nbsp;<a href="users?q=C">C</a>&nbsp;&nbsp;<a href="users?q=D">D</a>&nbsp;&nbsp;<a href="users?q=E">E</a>&nbsp;&nbsp;<a href="users?q=F">F</a>&nbsp;&nbsp;<a href="users?q=G">G</a>&nbsp;&nbsp;<a href="users?q=H">H</a>&nbsp;&nbsp;<a href="users?q=I">I</a>&nbsp;&nbsp;<a href="users?q=J">J</a>&nbsp;&nbsp;<a href="users?q=K">K</a>&nbsp;&nbsp;<a href="users?q=L">L</a>&nbsp;&nbsp;<a href="users?q=M">M</a>&nbsp;&nbsp;<a href="users?q=N">N</a>&nbsp;&nbsp;<a href="users?q=O">O</a>&nbsp;&nbsp;<a href="users?q=P">P</a>&nbsp;&nbsp;<a href="users?q=Q">Q</a>&nbsp;&nbsp;<a href="users?q=R">R</a>&nbsp;&nbsp;<a href="users?q=S">S</a>&nbsp;&nbsp;<a href="users?q=T">T</a>&nbsp;&nbsp;<a href="users?q=U">U</a>&nbsp;&nbsp;<a href="users?q=V">V</a>&nbsp;&nbsp;<a href="users?q=W">W</a>&nbsp;&nbsp;<a href="users?q=X">X</a>&nbsp;&nbsp;<a href="users?q=Y">Y</a>&nbsp;&nbsp;<a href="users?q=Z">Z</a></div>





<div class="pagination-links"><%= pagination_links(@pages, :params => { :q => params[:q], :always_show_anchors => false}) %></div>

That's how I did it ...
If anyone else can tell me a better way to do this please add a comment.
there's not much on google about this.

Using newcocoa gem to build apps on os x

admin — Tue, 01 Jan 2008 10:30:00 -0800

You will need to build RubyCocoa from source
and install the newcocoa gem with the following command
sudo gem install newcocoa
and of course have some familiarity with interface builder
this requires installing the developer tools
Here's a screencast of me building a basic hello world app in 4 minutes

Thanks Matz

admin — Thu, 27 Dec 2007 06:58:00 -0800

and thank you PragDave for the idea of sandboxing 1.9 to play with.

Read Dave's Post

and some more light reading....

Changes in Ruby 1.9

Thanks everyone for all of your hard work...

Installing R Magick on OSX

admin — Mon, 17 Dec 2007 20:16:00 -0800

Just copy and paste the following lines into your terminal.....
I have had luck doing it this way.

mkdir src
cd src
curl -O http://download.savannah.gnu.org/releases/freetype/freetype-2.1.10.tar.gz
tar xzvf freetype-2.1.10.tar.gz
cd freetype-2.1.10
./configure --prefix=/usr/local
make
sudo make install
cd ..

curl -O http://superb-west.dl.sourceforge.net/sourceforge/libpng/libpng-1.2.10.tar.bz2
bzip2 -dc libpng-1.2.10.tar.bz2 | tar xv
cd libpng-1.2.10
./configure --prefix=/usr/local
make
sudo make install
cd ..

curl -O ftp://ftp.uu.net/graphics/jpeg/jpegsrc.v6b.tar.gz
tar xzvf jpegsrc.v6b.tar.gz
cd jpeg-6b
ln -s `which glibtool` ./libtool
export MACOSX_DEPLOYMENT_TARGET=10.4
./configure --enable-shared --prefix=/usr/local
make
sudo make install
cd ..

curl -O ftp://ftp.remotesensing.org/libtiff/tiff-3.8.2.tar.gz
tar xzvf tiff-3.8.2.tar.gz
cd tiff-3.8.2
./configure --prefix=/usr/local
make
sudo make install
cd ..

curl -O http://jaist.dl.sourceforge.net/sourceforge/wvware/libwmf-0.2.8.4.tar.gz
tar xzvf libwmf-0.2.8.4.tar.gz
cd libwmf-0.2.8.4
make clean
./configure
make
sudo make install
cd ..

curl -O http://www.littlecms.com/lcms-1.15.tar.gz
tar xzvf lcms-1.15.tar.gz
cd lcms-1.15
make clean
./configure
make
sudo make install
cd ..

curl -O ftp://ftp.imagemagick.org/pub/ImageMagick/ImageMagick-6.3.2-9.tar.gz
tar xzvf ImageMagick-6.3.2-9.tar.gz
cd ImageMagick-6.2.9
export CPPFLAGS=-I/usr/local/include
export LDFLAGS=-L/usr/local/lib
./configure --prefix=/usr/local --disable-static --with-modules --without-perl --without-magick-plus-plus --with-quantum-depth=8 --with-gs-font-dir=/usr/local/share/ghostscript/fonts
make
sudo make install
cd ..

curl -O http://rubyforge.rubyuser.de/rmagick/RMagick-1.15.8.tar.gz
tar xvzf RMagick-1.15.8.tar.gz
cd RMagick-1.14.0
make clean
./configure
make
sudo make install
cd ..

just make sure /usr/local is at the beginning of your .bash_login
and you have removed thoroughly any previous attempts at this.
This was posted on 12/17/2007 some of the versions will need to be updated.
I used this to install about three days ago on an ibook g4.

Nginx Conf on OSX

admin — Mon, 10 Dec 2007 17:45:00 -0800

I am Using this configuration to run Nginx on my Mac Book with three mongrels running on ports 5001-5004



worker_processes  2;

error_log  logs/error.log notice;

pid        logs/nginx.pid;





events {

    worker_connections  1024;

}




http {

    include       conf/mime.types;

    default_type  application/octet-stream;



    tcp_nopush     on;



    keepalive_timeout  65;

    tcp_nodelay        on;


    upstream mongrel {

        server 127.0.0.1:5001;

        server 127.0.0.1:5002;

        server 127.0.0.1:5003;

    }


    gzip on;

    gzip_min_length  1100;

    gzip_buffers     4 8k;

    gzip_types       text/plain;


    server {

        listen       80;


        root /Path/to/Rails/App/public;


        access_log  off;

        rewrite_log on;


                location ~ ^/$ {

		          if (-f /index.html){

		            rewrite (.*) /index.html last;

		          }

		           proxy_pass  http://mongrel;

		        }


		        location / {

		          if (!-f $request_filename.html) {

		            proxy_pass  http://mongrel;

		          }

		          rewrite (.*) $1.html last;

		        }


		        location ~ .html {

		           root /Path/to/Rails/App/public;

		        }



		           location ~* ^.+\.(jpg|jpeg|gif|png|ico|css|zip|tgz|gz|rar|bz2|doc|xls|exe|

pdf|ppt|txt|tar|mid|midi|wav|bmp|rtf|js|mov)$ {

		          root /Path/to/Rails/App/public;

		        }



		        location / {

		            proxy_pass  http://mongrel;

		            proxy_redirect     off;

		            proxy_set_header   Host             $host;

		            proxy_set_header   X-Real-IP        $remote_addr;

		            proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;

		        }



		    }

		}