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 %>
+  <%= textilizable content.text, :attachments => content.page.attachments %>
 </div>