Improved Redmine links:

* issue and changeset links generated only if the object exists
* issue subject and status appear in the link title
* strike issue link if issue is closed
* red wiki page link if page doesn't exist
* new icon for external links

Wiki page cache had to be disabled.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@714 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/application_helper.rb

@@ -157,7 +157,16 @@ module ApplicationHelper
         page = title || $2
         title = $1 if page.blank?
       end
-      link_to((title || page), format_wiki_link.call(link_project, Wiki.titleize(page)), :class => 'wiki-page')
+      
+      if link_project && link_project.wiki
+        # check if page exists
+        wiki_page = link_project.wiki.find_page(page)
+        link_to((title || page), format_wiki_link.call(link_project, Wiki.titleize(page)),
+                                 :class => ('wiki-page' + (wiki_page ? '' : ' new')))
+      else
+        # project or wiki doesn't exist
+        title || page
+      end
     end
 
     # turn issue and revision ids into links
@@ -168,9 +177,16 @@ module ApplicationHelper
       leading, otype, oid = $1, $2, $3
       link = nil
       if otype == 'r'
-        link = link_to("r#{oid}", {:controller => 'repositories', :action => 'revision', :id => project.id, :rev => oid}, :class => 'changeset') if project
+        if project && (changeset = project.changesets.find_by_revision(oid))
+          link = link_to("r#{oid}", {:controller => 'repositories', :action => 'revision', :id => project.id, :rev => oid}, :class => 'changeset',
+                                    :title => truncate(changeset.comments, 100))
+        end
       else
-        link = link_to("##{oid}", {:controller => 'issues', :action => 'show', :id => oid}, :class => 'issue')
+        if issue = Issue.find_by_id(oid.to_i, :include => [:project, :status], :conditions => Project.visible_by(User.current))        
+          link = link_to("##{oid}", {:controller => 'issues', :action => 'show', :id => oid}, :class => 'issue',
+                                    :title => "#{truncate(issue.subject, 100)} (#{issue.status.name})")
+          link = content_tag('del', link) if issue.closed?
+        end
       end
       leading + (link || "#{otype}#{oid}")
     end

app/models/project.rb

@@ -33,6 +33,7 @@ class Project < ActiveRecord::Base
   has_many :issue_categories, :dependent => :delete_all, :order => "#{IssueCategory.table_name}.name"
   has_many :boards, :order => "position ASC"
   has_one :repository, :dependent => :destroy
+  has_many :changesets, :through => :repository
   has_one :wiki, :dependent => :destroy
   has_and_belongs_to_many :custom_fields, :class_name => 'IssueCustomField', :join_table => "#{table_name_prefix}custom_fields_projects#{table_name_suffix}", :association_foreign_key => 'custom_field_id'
   acts_as_tree :order => "name", :counter_cache => true

app/views/projects/_form.rhtml

@@ -45,7 +45,7 @@
 <%= hidden_field_tag "wiki_enabled", 0 %>
 <div id="wiki">
 <% fields_for :wiki, @project.wiki, { :builder => TabularFormBuilder, :lang => current_language} do |wiki| %>
-<p><%= wiki.text_field :start_page, :size => 60, :required => true %><br /><em><%= l(:text_unallowed_characters) %>: , . / ? ; |</em></p>
+<p><%= wiki.text_field :start_page, :size => 60, :required => true %><br /><em><%= l(:text_unallowed_characters) %>: , . / ? ; : |</em></p>
 <% # content_tag("div", "", :id => "wiki_start_page_auto_complete", :class => "auto_complete") +
    # auto_complete_field("wiki_start_page", { :url => { :controller => 'wiki', :action => 'auto_complete_for_wiki_page', :id => @project } })
 %>

app/views/wiki/_content.rhtml

@@ -1,5 +1,3 @@
 <div class="wiki">
-  <% cache "wiki/show/#{content.page.id}/#{content.version}" do %>
   <%= textilizable content.text, :attachments => content.page.attachments %>
-  <% end %>
 </div>

public/stylesheets/application.css

@@ -615,7 +615,7 @@ div.wiki table, div.wiki td, div.wiki th {
 div.wiki a {
     background-position: 0% 60%;
     background-repeat: no-repeat;
-    padding-left: 14px;
+    padding-left: 12px;
     background-image: url(../images/external.png);
 }
 
@@ -624,6 +624,10 @@ div.wiki a.wiki-page, div.wiki a.issue, div.wiki a.changeset, div.wiki a.email {
     background-image: none;
 }
 
+div.wiki a.new {
+    color: #b73535;
+}
+
 div.wiki code {
     font-size: 1.2em;
 }

test/unit/helpers/application_helper_test.rb

@@ -19,7 +19,8 @@ require File.dirname(__FILE__) + '/../../test_helper'
 
 class ApplicationHelperTest < HelperTestCase
   include ApplicationHelper
-  fixtures :projects
+  include ActionView::Helpers::TextHelper
+  fixtures :projects, :repositories, :changesets, :trackers, :issue_statuses, :issues
 
   def setup
     super
@@ -53,12 +54,14 @@ class ApplicationHelperTest < HelperTestCase
   end
   
   def test_redmine_links
-    issue_link = link_to('#52', {:controller => 'issues', :action => 'show', :id => 52}, :class => 'issue')
-    changeset_link = link_to('r19', {:controller => 'repositories', :action => 'revision', :id => 1, :rev => 19}, :class => 'changeset')
+    issue_link = link_to('#3', {:controller => 'issues', :action => 'show', :id => 3}, 
+                               :class => 'issue', :title => 'Error 281 when updating a recipe (New)')
+    changeset_link = link_to('r1', {:controller => 'repositories', :action => 'revision', :id => 1, :rev => 1},
+                                   :class => 'changeset', :title => 'My very first commit')
     
     to_test = {
-      '#52, #52 and #52.' => "#{issue_link}, #{issue_link} and #{issue_link}.",
-      'r19' => changeset_link
+      '#3, #3 and #3.' => "#{issue_link}, #{issue_link} and #{issue_link}.",
+      'r1' => changeset_link
     }
     @project = Project.find(1)
     to_test.each { |text, result| assert_equal "<p>#{result}</p>", textilizable(text) }