adding taggable images

git-svn-id: http://svn.barleysodas.com/barleysodas/trunk@103 0f7b21a7-9e3a-4941-bbeb-ce5c7c368fa7

app/controllers/galleries_controller.rb

@@ -0,0 +1,78 @@
+class GalleriesController < ApplicationController
+  append_before_filter :fetch_image, :only => [ :show, :destroy,
+    :download_original ]
+  
+  # GET /images
+  # GET /images.xml
+  def index
+    @content_title = 'Image Gallery'
+    cond_ary = []
+    cond_var = {
+      :people_id => params[:id]
+    }
+    @secondary_title = "Everybody's Images"
+    if params[:id]
+      cond_ary << 'images.people_id = :people_id'
+      @people = People.find(params[:id])
+      @secondary_title = "Images from #{@people.title}"
+    end
+    cond_ary << '1 = 1' if cond_ary.empty?
+    @pages, @images = paginate :images, :per_page => per_page,
+      :order => 'images.created_at DESC', :include => [ 'people' ],
+      :conditions => [ cond_ary.join(' AND '), cond_var ]
+    flash.now[:notice] = 'There are no images yet.' if @images.empty?
+    respond_to do |format|
+      format.html # index.rhtml
+      format.xml  { render :xml => @images.to_xml }
+    end
+  end
+  
+  # GET /galleries/1
+  # GET /galleries/1.xml
+  def show
+    respond_to do |format|
+      format.html # show.rhtml
+      format.xml  { render :xml => @image.to_xml }
+    end
+  end
+  
+  # GET /galleries/new
+  def new
+    @image = Image.new
+  end
+  
+  # POST /images
+  # POST /images.xml
+  def create
+    @image = Image.new(params[:image])
+    if @image.save
+      flash[:notice] = 'Great success!'
+      redirect_to gallery_url(@image)
+    else
+      render :action => :new
+    end
+  end
+  
+  # DELETE /galleries/1
+  # DELETE /galleries/1.xml
+  def destroy
+    @image.destroy
+    flash[:notice] = 'Destroyed the image.'
+    redirect_to galleries_url(:id => @image.people_id)
+  end
+  
+  ##
+  # Sends a copy of the original Image to the People.
+  #
+  def download_original
+    send_file("#{RAILS_ROOT}/public/images/" +
+      @image.filename_for_version(:original),
+      :disposition => 'inline', :type => @image.content_type)
+  end
+  
+  protected
+  
+  def fetch_image
+    @image = Image.find(params[:id])
+  end
+end

app/controllers/tag_images_controller.rb

@@ -0,0 +1,88 @@
+class TagImagesController < ApplicationController
+  # GET /tag_images
+  # GET /tag_images.xml
+  def index
+    redirect_to images_url
+  end
+  
+  # GET /tag_images/1
+  # GET /tag_images/1.xml
+  def show
+    @content_title = 'Tag your friends and beers!'
+    @image = Image.find(params[:id], :include => [ :tag_images ])
+    @tag_images = @image.tag_images
+    respond_to do |format|
+      format.html # show.rhtml
+      format.xml  { render :xml => @tag_images.to_xml }
+    end
+  end
+  
+  # POST /tag_images
+  # POST /tag_images.xml
+  def create
+    @tag_image = TagImage.new(params[:tag_image])
+    @image = @tag_image.image
+    if @tag_image.save
+      @tag_images = @image.tag_images
+      render :partial => 'tag_images'
+    else
+      render :partial => 'tag_image_errors', :status => 500
+    end
+  end
+  
+  # DELETE /tag_images/1
+  # DELETE /tag_images/1.xml
+  def destroy
+    @tag_image = TagImage.find params[:id], :include => [ :image ]
+    @image = @tag_image.image
+    @tag_image.destroy
+    @image.tag_images.reload
+    @tag_images = @image.tag_images
+    render :partial => 'tag_images'
+  end
+  
+  ##
+  # Searches for all known models that support image tagging. Sticks all of
+  # the matching results into a hash that is indexed by the type.
+  #
+  def taggable_search
+    @results = {}
+    cond_ary = [ 'title ILIKE :title' ]
+    cond_var = { :title => "%#{params[:name]}%" }
+    TagImage.types_for_select.flatten.each do |ctype|
+      klass = Class.class_eval(ctype)
+      @results[ctype] = klass.find :all, :order => 'title ASC',
+        :conditions => [ cond_ary.join(' AND '), cond_var ]
+    end
+    render :partial => 'taggable_results'
+  end
+  
+  ##
+  # Renders an Ajax browser of all tagged Image models for any +:taggable_type+
+  #
+  def tagged_images
+    images_per_page = 4
+    @page_count, @current_page, @tagged_type, @tagged_images = nil, nil, nil, nil
+    @tagged_type = params[:tagged_type]
+    if TagImage.types_for_select.flatten.include?(@tagged_type)
+      cond_ary = [
+        'tagged_type = :tt',
+        'tagged_id = :tid'
+      ]
+      cond_var = { :tt => @tagged_type, :tid => params[:id] }
+      conditions = [ cond_ary.join(' AND '), cond_var ]
+      @current_page = params[:page].to_i
+      @current_page = 1 if @current_page == 0
+      image_count = TagImage.count(conditions)
+      @page_count = (image_count.to_f / per_page.to_f + 0.5).to_i
+      @page_count = 1 if @page_count == 0 and image_count >= 0
+      @tagged_images = TagImage.find :all, :limit => images_per_page,
+        :conditions => conditions, :order => 'created_at ASC',
+        :offset => ((@current_page - 1) * images_per_page),
+        :include => [ 'image' ]
+      render :partial => 'tag_images/tagged_images'
+    else
+      render :nothing => true, :status => 500
+    end
+  end
+end

app/helpers/application_helper.rb

@@ -91,4 +91,48 @@ module ApplicationHelper
       res
     end
   end
+  
+  ##
+  # Captures a block output and renders it in a partial as <tt>body</tt>
+  #
+  def block_to_partial(partial_name, options = {}, &block)
+    options.merge!(:body => capture(&block))
+    concat(render(:partial => partial_name, :locals => options), block.binding)
+  end
+  
+  ##
+  # Helper to build a prototype dialog.
+  #
+  def lightbox(options = {}, &block)
+    options = {
+      :title => 'DialogTitle',
+      :window_id => 'DialogId',
+      :modal => false
+    }.merge(options)
+    block_to_partial('shared/lightbox', options, &block)
+  end
+  
+  ##
+  # Pagination link image browser thingey for the tagged image lightbox.
+  #
+  def image_browser_navigation_link(image_name, page_number, total_pages,
+                                    tagged_class, tagged_id)
+    if page_number == 0 or
+       (page_number == 1 and total_pages == 1) or
+       (page_number > total_pages)
+      image_tag(image_name)
+    else
+      link_to_remote image_tag(image_name), :update => 'browser_box',
+        :url => { :controller => 'tag_images', :action => 'tagged_images',
+        :id => :tagged_id, :tagged_class => tagged_class }
+    end
+  end
+  
+  ##
+  # Link to open the dialog box for the tagged image browser.
+  #
+  def tagged_image_browser_link
+    link_to_function 'Tagged Images',
+      "lightboxes['tagged_image_browser'].open()"
+  end
 end

app/helpers/galleries_helper.rb

@@ -0,0 +1,5 @@
+module GalleriesHelper
+  def new_image_link
+    link_to 'Upload Image', new_gallery_url
+  end
+end

app/helpers/tag_images_helper.rb

@@ -0,0 +1,2 @@
+module TagImagesHelper
+end

app/models/beer.rb

@@ -6,6 +6,7 @@ class Beer < ActiveRecord::Base
   has_one_tuxwiki_page :owner_class => 'Beer'
   belongs_to :style
   validates_presence_of :style_id
+  has_many_tagged_images
   
   ##
   # Returns a list of attributes for the Page partial.

app/models/image.rb

@@ -0,0 +1,96 @@
+require 'mini_magick'
+
+class Image < ActiveRecord::Base
+  attr_accessor :file
+  belongs_to :people
+  validates_presence_of :people_id
+  before_validation_on_create :set_people_id
+  before_create :validate_image_sanity
+  after_create :setup_directories
+  before_destroy :destroy_directories
+  has_many :tag_images, :dependent => :destroy
+  has_many :tagged_items, :through => :tag_images
+  
+  ##
+  # Builds the filename for this model for a particular version of the file.
+  #
+  def filename_for_version(ver = :screen)
+    if respond_to?(ver)
+      "community/#{id}/#{self.send(ver)}"
+    else
+      "/images/image-missing.png"
+    end
+  end
+  
+  protected
+  
+  ##
+  # Determines the base directory for all files in this model.
+  #
+  def base_directory
+    "#{RAILS_ROOT}/public/images/community/#{id}"
+  end
+  
+  ##
+  # Sets the People marker for ownership on creation.
+  #
+  def set_people_id
+    self[:people_id] = ApplicationController.current_people_id rescue nil
+    self[:people_id] ||= People.penguincoder.id rescue nil
+  end
+  
+  ##
+  # Checks to make sure that the file exists and is an image.
+  #
+  def validate_image_sanity
+    if @file.nil? or @file.to_s.empty?
+      errors.add(:file, 'is not a file')
+      return false
+    end
+    errors.add(:file, 'is too big (3MB max)') if @file.size > 3 * 1048576
+    begin
+      @magick_image = MiniMagick::Image.from_blob(@file.read,
+        File.extname(@file.original_filename))
+    rescue
+      logger.debug("Caught an exception saving an image:")
+      logger.debug("* #{$!}")
+      errors.add(:file, 'is not an image')
+    end
+    return false if self.errors.size > 0
+    self.content_type = @file.content_type.chomp
+    true
+  end
+  
+  ##
+  # Makes the directories and writes the different versions for the uploaded
+  # files if applicable.
+  #
+  def setup_directories
+    Dir.mkdir(base_directory) unless File.exist?(base_directory)
+    self.original = File.basename(@file.original_filename).gsub(/[^\w._-]/, '')
+    @magick_image.write("#{base_directory}/#{self.original}")
+    @magick_image.thumbnail("600x600>")
+    self.screen = "screen_#{self.original}"
+    @magick_image.write("#{base_directory}/#{self.screen}")
+    if @magick_image.output =~ / (\d+)x(\d+) /
+      self.screen_width = $1
+      self.screen_height = $2
+    end
+    @magick_image.thumbnail("50x50>")
+    self.thumbnail = "thumbnail_#{self.original}"
+    @magick_image.write("#{base_directory}/#{self.thumbnail}")
+    self.save
+  end
+  
+  ##
+  # Removes the directories and files associated with this model on destroy.
+  #
+  def destroy_directories
+    return unless File.exists?(base_directory)
+    Dir.foreach(base_directory) do |file|
+      next if file =~ /^\.\.?$/
+      File.delete(base_directory + '/' + file)
+    end
+    Dir.delete(base_directory)
+  end
+end

app/models/people.rb

@@ -7,6 +7,8 @@ class People < ActiveRecord::Base
   attr_protected :role_id
   has_many :created_pages, :class_name => 'Page', :foreign_key => 'created_by'
   has_many :updated_pages, :class_name => 'Page', :foreign_key => 'updated_by'
+  has_many :images, :dependent => :destroy
+  has_many_tagged_images
   validates_uniqueness_of :title
   
   make_authenticatable

app/models/tag_image.rb

@@ -0,0 +1,10 @@
+class TagImage < ActiveRecord::Base
+  belongs_to :image
+  belongs_to :tagged, :polymorphic => true
+  validates_presence_of :image_id, :tagged_id, :tagged_type
+  validates_uniqueness_of :tagged_id, :scope => :tagged_type
+  
+  def self.types_for_select
+    [ 'Beer', 'People', 'Brewery' ].collect { |x| [x] }
+  end
+end

app/views/beers/show.rhtml

@@ -1,7 +1,10 @@
+<%= render :partial => 'shared/tagged_image_browser', :locals => { :obj => @beer } %>
+
 <%= render :partial => 'pages/page' %>
 
 <% content_for :sidebar do -%>
   <%= new_beer_link -%><br />
   <%= edit_beer_link(@beer) -%><br />
   <%= link_to 'Destroy', beer_path(@beer.page.title_for_url), :confirm => 'Are you sure?', :method => :delete %><br />
+  <% unless @beer.tagged_images.empty? -%><%= tagged_image_browser_link -%><br /><% end -%>
 <% end -%>

app/views/breweries/show.rhtml

@@ -4,4 +4,5 @@
   <%= new_brewery_link -%><br />
   <%= edit_brewery_link(@brewery) -%><br />
   <%= link_to 'Destroy', brewery_path(@brewery.page.title_for_url), :confirm => 'Are you sure?', :method => :delete %><br />
+  <%= tagged_image_browser_link -%><br />
 <% end -%>

app/views/galleries/_image.rhtml

@@ -0,0 +1,6 @@
+<br />
+<% version ||= :screen -%>
+<div class="people_image" id="image_<%= image.id -%>">
+  <%= link_to_unless_current(image_tag(image.filename_for_version(version), :alt => image.original), gallery_url(image)) %>
+  <p class="author">Uploaded by <%= link_to(image.people.title, galleries_url(:id => image.people_id)) -%></p>
+</div>

app/views/galleries/_image_form.rhtml

@@ -0,0 +1,9 @@
+<fieldset>
+  <h2>Upload an image</h2>
+  <p>
+    <label>
+      File:
+      <%= file_field 'image', 'file' %>
+    </label>
+  </p>
+</fieldset>

app/views/galleries/edit.rhtml

@@ -0,0 +1,12 @@
+<h1>Editing images</h1>
+
+<%= error_messages_for :images %>
+
+<% form_for(:images, :url => images_path(@images), :html => { :method => :put }) do |f| %>
+  <p>
+    <%= submit_tag "Update" %>
+  </p>
+<% end %>
+
+<%= link_to 'Show', images_path(@images) %> |
+<%= link_to 'Back', images_path %>

app/views/galleries/index.rhtml

@@ -0,0 +1,7 @@
+<%= render :partial => 'image', :collection => @images, :locals => { :version => :thumbnail } %>
+
+<%= render :partial => 'shared/pagination_links' %>
+
+<% content_for :sidebar do -%>
+  <%= new_image_link -%><br />
+<% end -%>

app/views/galleries/new.rhtml

@@ -0,0 +1,20 @@
+<%= error_messages_for :image %>
+
+<% form_for(:images, :url => galleries_path, :html => { :multipart => true, :onsubmit => "$('spinner').style.display = 'inline';" }) do |f| %>
+  <fieldset>
+    <h2>Upload an image</h2>
+    <p>
+      <label>
+        File:
+        <%= file_field 'image', 'file' %>
+      </label>
+    </p>
+  </fieldset>
+  <p>
+    <%= submit_tag "Create" %> <%= image_tag '/images/spinner.gif', :id => 'spinner', :style => 'display:none' %>
+  </p>
+<% end %>
+
+<% content_for :sidebar do -%>
+  <%= new_image_link -%><br />
+<% end -%>

app/views/galleries/show.rhtml

@@ -0,0 +1,9 @@
+<%= render :partial => 'image', :locals => { :image => @image } %>
+<br />
+
+<% content_for :sidebar do -%>
+  <%= link_to "#{@image.people.title}'s images (#{@image.people.images.size})", galleries_path(:id => @image.people_id) -%><br />
+  <%= link_to "Download original", :action => 'download_original', :id => @image.id -%><br />
+  <%= link_to 'Destroy', gallery_path(@image), :confirm => 'Are you sure?', :method => :delete %><br />
+  <%= link_to 'Tag Image', :controller => :tag_images, :action => :show, :id => @image.id -%><br />
+<% end -%>

app/views/layouts/application.rhtml

@@ -5,6 +5,7 @@
   <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
   <%= stylesheet_link_tag 'application', :media => 'all' %>
   <%= javascript_include_tag :defaults %>
+  <%= javascript_include_tag 'control.modal.js' %>
   <script type="text/javascript">
   <%= yield :script %>
   </script>
@@ -53,4 +54,5 @@
 </div>
 
 </div>
+
 </body>

app/views/shared/_lightbox.rhtml

@@ -0,0 +1,30 @@
+<div id="<%= window_id -%>_dialog">
+  <div class="dialogBox">
+    <div class="dialogHeader"><%= title -%></div>
+    <br />
+    <div class="dialogContent"><%= body -%></div>
+  </div>
+</div>
+<%= link_to(title, "##{window_id}_dialog", { :class => "#{modal ? '' : 'non'}modal_controls", :onclick => "return false;", :id => "#{window_id}_id_key", :style => 'display: none;' }) %>
+<% content_for :script do -%>
+  addLoadEvent(function(){
+    if(!window.lightboxes)
+      lightboxes = {};
+    if(!window.after_opens)
+      after_opens = {};
+    if(!window.before_closes)
+      before_closes = {}
+    var link = $("<%= window_id -%>_id_key");
+    var key = '<%= window_id -%>';
+    var ao = after_opens[key];
+    var bc = before_closes[key];
+    if(ao == undefined)
+      ao = function(){};
+    if(bc == undefined)
+      bc = function(){};
+    lightboxes[key] = new Control.Modal(link, {
+      afterOpen: ao, beforeClose: bc,
+      overlayCloseOnClick: <%= modal ? 'false' : 'true' -%>
+    });
+  });
+<% end -%>

app/views/shared/_tagged_image_browser.rhtml

@@ -0,0 +1,46 @@
+<% content_for :stylesheet do -%>
+#browser_box {
+}
+
+#browser_box img {
+  vertical-align: middle;
+}
+
+#browser_controls {
+  padding: 3px 10px 3px 10px;
+  text-align: center;
+}
+<% end -%>
+
+<% content_for :script do -%>
+if(!window.after_opens)
+  after_opens = {};
+if(!window.before_closes)
+  before_closes = {}
+
+after_opens['tagged_image_browser'] = function(){
+  $('browser_box').hide();
+  new Ajax.Updater('browser_box',
+    '<%= url_for(:controller => :tag_images, :action => :tagged_images, :id => ((obj ||= nil).nil? ? nil : obj.id), :tagged_type => obj.class) -%>',
+    {
+      onFailure: function() {
+        lightboxes['tagged_image_browser'].close();
+      },
+      onSuccess: function() {
+        $('browser_spinner').hide();
+        new Effect.Appear('browser_box', { duration: 1.5 });
+      }
+    }
+  );
+}
+
+before_closes['tagged_image_browser'] = function(){
+  $('browser_box').hide();
+  $('browser_spinner').show();
+}
+<% end -%>
+
+<% lightbox :title => 'Tagged Images', :window_id => 'tagged_image_browser' do -%>
+  <div id="browser_spinner"><div class="centered"><%= image_tag('spinner.gif') -%></div></div>
+  <div id="browser_box"></div>
+<% end -%>

app/views/tag_images/_tag_image_errors.rhtml

@@ -0,0 +1 @@
+<%= error_messages_for 'tag_image' %>

app/views/tag_images/_tag_images.rhtml

@@ -0,0 +1,8 @@
+<p>
+  <strong>Tagged items:</strong>
+  <% if @tag_images.empty? -%>
+    None.
+  <% else -%>
+    <%= @tag_images.collect { |t| "<span onmouseover=\"show_tag_at(#{t.x}, #{t.y})\" onmouseout=\"hide_tag_box()\">#{t.tagged.title} (<em>#{t.tagged_type}</em> | #{link_to_remote('Remove', :url => tag_image_path(t), :update => 'tag_images', :method => :delete)})</span>" }.join(', ') -%>
+  <% end -%>
+</p>

app/views/tag_images/_taggable_results.rhtml

@@ -0,0 +1,10 @@
+<% @results.keys.each do |ctype| -%>
+<% next if @results[ctype].empty? -%>
+<h3><%= ctype.pluralize -%></h3>
+<p>
+  <%= @results[ctype].collect { |r| link_to_function(r.title, "set_taggable_item(#{r.id}, '#{r.title}', '#{ctype}');") }.join(', ') %>
+</p>
+<% end -%>
+<% unless @results.detect { |key, val| !val.empty? } -%>
+  <small>No results found...</small>
+<% end -%>

app/views/tag_images/_tagged_images.rhtml

@@ -0,0 +1,11 @@
+<div class="centered">
+<% @tagged_images.each do |tag_image| -%>
+  <%= link_to(image_tag(tag_image.image.filename_for_version(:thumbnail)), gallery_path(tag_image.image), :popup => true) %>
+<% end -%>
+</div>
+
+<br />
+
+<div id="browser_controls" class="centered">
+  <%= image_browser_navigation_link('go-first.png', 1, @page_count, @tagged_type, params[:id]) -%> <%= image_browser_navigation_link('go-previous.png', @current_page - 1, @page_count, @tagged_type, params[:id]) -%> <%= @current_page -%> / <%= @page_count -%> <%= image_browser_navigation_link('go-next.png', @current_page + 1, @page_count, @tagged_type, params[:id]) -%> <%= image_browser_navigation_link('go-last.png', @page_count, @page_count, @tagged_type, params[:id]) -%>
+</div>

app/views/tag_images/show.rhtml

@@ -0,0 +1,110 @@
+<% content_for :stylesheet do -%>
+#image_block {
+  z-index: 0;
+  border: 1px solid black;
+  padding: 0px;
+  width: <%= @image.screen_width -%>px;
+  height: <%= @image.screen_height -%>px;
+  background-image: url('/images/<%= @image.filename_for_version -%>');
+  background-repeat: no-repeat;
+}
+#image_block_container {
+  margin: 10px <%= (605 - @image.screen_width) / 2 -%>px 20px <%= (605 - @image.screen_width) / 2 -%>px;
+}
+#image_tag_box {
+  position: relative;
+  z-index: 2;
+  width: 100px;
+  height: 100px;
+  border: 5px solid #db3333;
+  left: 0;
+  top: 0;
+  display: none;
+}
+<% end -%>
+
+<% content_for :script do -%>
+function show_tag_at(xcoord, ycoord)
+{
+  $('image_tag_box').style.top = (ycoord - 50) + 'px';
+  $('image_tag_box').style.left = (xcoord - 50) + 'px';
+  $('image_tag_box').style.display = 'block';
+}
+
+function hide_tag_box()
+{
+  $('image_tag_box').style.display = 'none';
+}
+
+function set_coordinates(event)
+{
+  xcoord = (event.offsetX ? event.offsetX : (event.pageX - $('image_block').offsetLeft));
+  ycoord = (event.offsetY ? event.offsetY : (event.pageY - $('image_block').offsetTop));
+  show_tag_at(xcoord, ycoord);
+  lightboxes['taggedContentDialog'].open();
+}
+
+function set_taggable_item(id, title, type)
+{
+  $('tag_image_tagged_id').value = id;
+  $('tag_image_title').innerHTML = title;
+  $('tag_image_tagged_type').value = type;
+}
+
+if(!window.after_opens)
+  after_opens = {};
+if(!window.before_closes)
+  before_closes = {};
+after_opens['taggedContentDialog'] = function(){
+  $('tag_image_x').value = xcoord;
+  $('tag_image_y').value = ycoord;
+  $('tag_image_image_id').value = <%= params[:id] -%>;
+  $('search').focus();
+}
+before_closes['taggedContentDialog'] = function(){
+  hide_tag_box();
+}
+<% end -%>
+
+<div id="image_block_container" class="centered">
+  <div id="image_block" onclick='set_coordinates(event);'>
+    <div id="image_tag_box" style="display: none;"></div>
+  </div>
+  <br />
+  <div id="tag_images">
+    <%= render :partial => 'tag_images' %>
+  </div>
+</div>
+
+<% lightbox :title => 'Search for a taggable item', :window_id => 'taggedContentDialog' do -%>
+  <div id="tag_image_errors" class="errorExplanation"></div>
+  <form id="tag_image_fields">
+    <%= hidden_field 'tag_image', 'x' %>
+    <%= hidden_field 'tag_image', 'y' %>
+    <%= hidden_field 'tag_image', 'image_id' %>
+    <%= hidden_field 'tag_image', 'tagged_id' %>
+    <%= hidden_field 'tag_image', 'tagged_type' %>
+  </form>
+  
+  <div class="centered">
+    <%= link_to_function(image_tag('edit-clear.png'), "$('search').value = '';") -%> <%= text_field_tag 'search', '', :size => 30 -%><br />
+    Selected: <span id="tag_image_title">None</span>
+  </div>
+  
+  <div id="taggable_results" class="dialogSearchResults"></div>
+  
+  <%= observe_field 'search',
+        :url => { :action => 'taggable_search' },
+        :frequency => 2,
+        :update => 'taggable_results',
+        :with => "'name='+escape(value)" %>
+  
+  <div class="dialogControls">
+    <%= link_to_remote('Save', { :url => tag_images_path, :with => "Form.serialize($('tag_image_fields'))", :success => 'Control.Modal.close()', :update => { :success => 'tag_images', :failure => 'tag_image_errors' } }, { :method => :post }) -%>
+    <%= link_to_function 'Cancel', "Control.Modal.close()" -%>
+  </div>
+<% end -%>
+
+<% content_for :sidebar do -%>
+  <%= link_to 'Image Details', gallery_path(@image) -%><br />
+<% end -%>

config/environment.rb

@@ -9,3 +9,4 @@ end
 
 require 'redcloth'
 require 'has_one_page'
+require 'has_many_tagged_images'

config/routes.rb

@@ -1,6 +1,8 @@
 ActionController::Routing::Routes.draw do |map|
+  map.resources :tag_images
+
   map.resources :beers, :breweries, :pages, :discussions, :peoples, :roles,
-    :sessions, :styles, :galleries
+    :sessions, :styles, :galleries, :tag_images
 
   map.connect ':controller/:action/:id.:format'
   map.connect ':controller/:action/:id'

db/migrate/011_create_images.rb

@@ -0,0 +1,26 @@
+class CreateImages < ActiveRecord::Migration
+  def self.up
+    create_table :images do |t|
+      t.column :people_id, :integer
+      t.column :created_at, :datetime
+      t.column :original, :string
+      t.column :thumbnail, :string
+      t.column :screen, :string
+      t.column :screen_width, :integer
+      t.column :screen_height, :integer
+      t.column :content_type, :string
+    end
+    add_index :images, :people_id
+    create_table :images_pages, :id => false do |t|
+      t.column :image_id, :integer
+      t.column :page_id, :integer
+    end
+    add_index :images_pages, :image_id
+    add_index :images_pages, :page_id
+  end
+
+  def self.down
+    drop_table :images
+    drop_table :images_pages
+  end
+end

db/migrate/012_create_tag_images.rb

@@ -0,0 +1,19 @@
+class CreateTagImages < ActiveRecord::Migration
+  def self.up
+    create_table :tag_images do |t|
+      t.column :image_id, :integer
+      t.column :tagged_id, :integer
+      t.column :tagged_type, :string, :limit => 32
+      t.column :primary, :boolean
+      t.column :x, :integer
+      t.column :y, :integer
+    end
+    add_index :tag_images, :image_id
+    add_index :tag_images, :tagged_id
+    add_index :tag_images, :tagged_type
+  end
+
+  def self.down
+    drop_table :tag_images
+  end
+end

generate_permissions

@@ -5,7 +5,7 @@ base_actions = ApplicationController.action_methods
 # rather than defining them here.
 controllers = [ PagesController, DiscussionsController, StylesController,
   PeoplesController, BeersController, BreweriesController, RolesController,
-  GalleriesController ]
+  GalleriesController, TagImagesController ]
 controllers.each do |c|  
   actions = c.action_methods - base_actions
   cname = c.controller_name
@@ -28,6 +28,11 @@ Permission.find(:all,
   next if [ 'new', 'create', 'edit', 'update', 'destroy' ].include?(p.action)
   r.permissions << p
 end
+Permission.find(:all,
+  :conditions => [ 'controller = ?', 'tag_images' ]).each do |p|
+  next if [ 'show', 'create', 'destroy', 'taggable_search' ].include?(p.action)
+  r.permissions << p
+end
 
 r2 = Role.admin_role
 Permission.find(:all).each do |p|

lib/has_many_tagged_images.rb

@@ -0,0 +1,25 @@
+module ActiveRecord # :nodoc:
+  class Base # :nodoc:
+    class << self
+      ##
+      # This method will add a has_one :page association and a few useful
+      # callbacks to the requested model. It expects to have a
+      # :owner_class parameter given so that it knows what the owner class
+      # name should be. The associated model will automatically be deleted
+      # when this model is deleted.
+      #
+      # The Page will automatically have the title updated from the owner's
+      # title field and be saved after a successful save. When a Page errors
+      # on validation, the errors are automatically copied into the owner so
+      # that the user doesn't even have to know what is going on.
+      #
+      def has_many_tagged_images(options = {})
+        class_eval do
+          has_many :tagged_images, :source_type => self.base_class.to_s,
+            :source => :tagged, :through => :tag_images
+          has_many :tag_images, :dependent => :destroy, :as => :tagged
+        end
+      end
+    end
+  end
+end

public/javascripts/application.js

@@ -1,3 +1,15 @@
+function addLoadEvent(func) {
+  var oldonload = window.onload;
+  if (typeof window.onload != 'function') {
+    window.onload = func;
+  } else {
+    window.onload = function() {
+      oldonload();
+      func();
+    }
+  }
+}
+
 function set_all_checkboxes(form_name, field_name, check_value)
 {
   if(!document.forms[form_name])

public/stylesheets/application.css

@@ -6,6 +6,7 @@
 @import 'layout.css';
 @import 'content.css';
 @import 'syntax.css';
+@import 'lightboxes.css';
 
 @media print { #sidebar { display: none; }
                #content { float: none; width: 90%; }
@@ -22,10 +23,10 @@ textarea { font: normal 12px "bitstream vera sans", verdana, sans-serif; }
 
 abbr  { border: none; }
 cite  { font-style: normal; }
-a img { border: none; padding: 0; margin: 0; }
+a img { border: none; padding: 0; margin: 0; vertical-align: middle; text-decoration: none; }
 
-a:link,  a:visited { color: #000; }
-a:hover, a:active  { color: #fff; background: #000; }
+a:link,  a:visited { color: #000; text-decoration: none; }
+a:hover, a:active  { text-decoration: underline; }
 
 /* http://longren.org/2006/09/27/wrapping-text-inside-pre-tags */
 pre {
@@ -35,3 +36,5 @@ pre {
   white-space: -o-pre-wrap;
   word-wrap: break-word;
 }
+
+.centered { text-align: center; }

public/stylesheets/content.css

@@ -263,15 +263,17 @@
 }
 
 #content .people_image .author {
-  margin: 0 0 0.5em 0.5em;
-  width: 60px; height: 60px;
-  float: right;
+  margin: 0 2.5em 0.5em 0.5em;
 }
 
 #content .people_image .meta {
   text-align: center;
 }
 
+.people_image img {
+  margin: 10px;
+}
+
 /*--------------------------------------------------------------
  Sidebar
  --------------------------------------------------------------*/
@@ -280,6 +282,12 @@
   font-size: 11px;
 }
 
+#sidebar a:hover, #sidebar a:active {
+  color: #fff;
+  background-color: #000;
+  text-decoration: none;
+}
+
 #sidebar h3 {
   font: bold 14px "lucidamac bold", "lucida grande", verdana, arial, helvetica, sans-serif;
   margin: 0 0 0.5em;
@@ -351,30 +359,6 @@
   color: #fff;
 }
 
-/* Flickr sidebar-node */
-#sidebar #flickr {
-  margin: 0 0 2em;
-  clear: both;
-}
-
-#sidebar #flickr div {
-}
-
-#sidebar #flickr img { 
-  margin: 0 0 5px;
-  padding: 5px;
-  border: 1px solid #ddd;
-  display: block;
-}
-        
-#sidebar #flickr img:hover {
-  background: #ffc;
-}
-        
-#sidebar #flickr a { 
-  border: none;
-}
-
 /*--------------------------------------------------------------
  Footer
  --------------------------------------------------------------*/
@@ -393,6 +377,7 @@
 #footer a:active {
   color: #fff;
   background: #000;
+  text-decoration: none;
 }
 
 #footer hr {

public/stylesheets/lightboxes.css

@@ -0,0 +1,69 @@
+.dialogBox {
+  background-color: #eee;
+  border: 1px solid #444;
+  -moz-border-radius: 5px;
+  padding: 4px;
+  height: auto;
+  min-height: 75px;
+  max-height: 450px;
+  width: auto;
+  min-width: 275px;
+  max-width: 550px;
+  text-align: left;
+}
+
+.dialogHeader {
+  background: #999;
+  padding: 2px 5px 2px 5px;
+  text-align: center;
+  -moz-border-radius: 5px;
+  border: 1px solid #444;
+  color: #FFF;
+  font-weight: bold;
+  font-size: 1.2em;
+}
+
+.dialogControls {
+  height: auto;
+  text-align: center;
+  width: auto;
+  font-size: 1.1em;
+  margin: 10px;
+}
+.dialogControls a {
+  background-color: #CCC;
+  border: 1px solid black;
+  padding: 0.25em 1.0em 0.25em 1.0em;
+  text-decoration: none;
+  -moz-border-radius: 3px;
+}
+.dialogControls a:hover, .dialogControls a.over {
+  text-decoration: none;
+  border: 1px solid black;
+  background-color: #999;
+  color: white;
+}
+
+.dialogContent {
+  padding: 0px 10px 0px 10px;
+  overflow: auto;
+}
+
+.dialogSearchResults {
+  padding: 0.25em;
+  margin-bottom: 5px;
+  font-size: 1.1em;
+  min-height: 50px;
+  max-height: 300px;
+  overflow: auto;
+}
+.dialogSearchResults li {
+  margin-top: 3px;
+  margin-bottom: 3px;
+}
+
+#modal_overlay {
+  /* konqueror doesn't like these styles. omit for now.
+  background-color: #727272;
+  */
+}

test/fixtures/images.yml

@@ -0,0 +1,5 @@
+# Read about fixtures at http://ar.rubyonrails.org/classes/Fixtures.html
+one:
+  id: 1
+two:
+  id: 2

test/fixtures/tag_images.yml

@@ -0,0 +1,5 @@
+# Read about fixtures at http://ar.rubyonrails.org/classes/Fixtures.html
+one:
+  id: 1
+two:
+  id: 2

test/functional/galleries_controller_test.rb

@@ -0,0 +1,57 @@
+require File.dirname(__FILE__) + '/../test_helper'
+require 'images_controller'
+
+# Re-raise errors caught by the controller.
+class GalleriesController; def rescue_action(e) raise e end; end
+
+class GalleriesControllerTest < Test::Unit::TestCase
+  fixtures :images
+
+  def setup
+    @controller = GalleriesController.new
+    @request    = ActionController::TestRequest.new
+    @response   = ActionController::TestResponse.new
+  end
+
+  def test_should_get_index
+    get :index
+    assert_response :success
+    assert assigns(:images)
+  end
+
+  def test_should_get_new
+    get :new
+    assert_response :success
+  end
+  
+  def test_should_create_images
+    old_count = Images.count
+    post :create, :images => { }
+    assert_equal old_count+1, Images.count
+    
+    assert_redirected_to images_path(assigns(:images))
+  end
+
+  def test_should_show_images
+    get :show, :id => 1
+    assert_response :success
+  end
+
+  def test_should_get_edit
+    get :edit, :id => 1
+    assert_response :success
+  end
+  
+  def test_should_update_images
+    put :update, :id => 1, :images => { }
+    assert_redirected_to images_path(assigns(:images))
+  end
+  
+  def test_should_destroy_images
+    old_count = Images.count
+    delete :destroy, :id => 1
+    assert_equal old_count-1, Images.count
+    
+    assert_redirected_to images_path
+  end
+end

test/functional/tag_images_controller_test.rb

@@ -0,0 +1,57 @@
+require File.dirname(__FILE__) + '/../test_helper'
+require 'tag_images_controller'
+
+# Re-raise errors caught by the controller.
+class TagImagesController; def rescue_action(e) raise e end; end
+
+class TagImagesControllerTest < Test::Unit::TestCase
+  fixtures :tag_images
+
+  def setup
+    @controller = TagImagesController.new
+    @request    = ActionController::TestRequest.new
+    @response   = ActionController::TestResponse.new
+  end
+
+  def test_should_get_index
+    get :index
+    assert_response :success
+    assert assigns(:tag_images)
+  end
+
+  def test_should_get_new
+    get :new
+    assert_response :success
+  end
+  
+  def test_should_create_tag_image
+    old_count = TagImage.count
+    post :create, :tag_image => { }
+    assert_equal old_count+1, TagImage.count
+    
+    assert_redirected_to tag_image_path(assigns(:tag_image))
+  end
+
+  def test_should_show_tag_image
+    get :show, :id => 1
+    assert_response :success
+  end
+
+  def test_should_get_edit
+    get :edit, :id => 1
+    assert_response :success
+  end
+  
+  def test_should_update_tag_image
+    put :update, :id => 1, :tag_image => { }
+    assert_redirected_to tag_image_path(assigns(:tag_image))
+  end
+  
+  def test_should_destroy_tag_image
+    old_count = TagImage.count
+    delete :destroy, :id => 1
+    assert_equal old_count-1, TagImage.count
+    
+    assert_redirected_to tag_images_path
+  end
+end

test/unit/image_test.rb

@@ -0,0 +1,10 @@
+require File.dirname(__FILE__) + '/../test_helper'
+
+class ImageTest < Test::Unit::TestCase
+  fixtures :images
+
+  # Replace this with your real tests.
+  def test_truth
+    assert true
+  end
+end

test/unit/tag_image_test.rb

@@ -0,0 +1,10 @@
+require File.dirname(__FILE__) + '/../test_helper'
+
+class TagImageTest < Test::Unit::TestCase
+  fixtures :tag_images
+
+  # Replace this with your real tests.
+  def test_truth
+    assert true
+  end
+end