Checkout of Instiki Trunk 1/21/2007.

app/helpers/wiki_helper.rb

@@ -0,0 +1,89 @@
+module WikiHelper
+
+  def navigation_menu_for_revision
+    menu = []
+    menu << forward
+    menu << back_for_revision if @revision_number > 1
+    menu << current_revision
+    menu << see_or_hide_changes_for_revision if @revision_number > 1
+    menu << rollback
+    menu
+  end
+
+  def navigation_menu_for_page
+    menu = []
+    menu << edit_page
+    menu << edit_web if @page.name == "HomePage"
+    if @page.revisions.length > 1
+      menu << back_for_page
+      menu << see_or_hide_changes_for_page
+    end
+    menu
+  end
+
+  def edit_page
+    link_text = (@page.name == "HomePage" ? 'Edit Page' : 'Edit')
+    link_to(link_text, {:web => @web.address, :action => 'edit', :id => @page.name}, 
+        {:class => 'navlink', :accesskey => 'E', :name => 'edit'})
+  end
+
+  def edit_web
+    link_to('Edit Web', {:web => @web.address, :action => 'edit_web'}, 
+        {:class => 'navlink', :accesskey => 'W', :name => 'edit_web'})
+  end
+            
+  def forward
+    if @revision_number < @page.revisions.length - 1
+      link_to('Forward in time', 
+          {:web => @web.address, :action => 'revision', :id => @page.name, :rev => @revision_number + 1},
+          {:class => 'navlink', :accesskey => 'F', :name => 'to_next_revision'}) + 
+          " <small>(#{@revision.page.revisions.length - @revision_number} more)</small> "
+    else
+        link_to('Forward in time', {:web => @web.address, :action => 'show', :id => @page.name},
+            {:class => 'navlink', :accesskey => 'F', :name => 'to_next_revision'}) +
+            " <small> (to current)</small>"
+    end
+  end
+    
+  def back_for_revision
+    link_to('Back in time',
+        {:web => @web.address, :action => 'revision', :id => @page.name, :rev => @revision_number - 1},
+        {:class => 'navlink', :name => 'to_previous_revision'}) + 
+        " <small>(#{@revision_number - 1} more)</small>"
+  end
+
+  def back_for_page
+    link_to('Back in time', 
+        {:web => @web.address, :action => 'revision', :id => @page.name, 
+        :rev => @page.revisions.length - 1},
+        {:class => 'navlink', :accesskey => 'B', :name => 'to_previous_revision'}) +
+        " <small>(#{@page.revisions.length - 1} #{@page.revisions.length - 1 == 1 ? 'revision' : 'revisions'})</small>"
+  end
+  
+  def current_revision
+    link_to('See current', {:web => @web.address, :action => 'show', :id => @page.name},
+        {:class => 'navlink', :name => 'to_current_revision'})
+  end
+  
+  def see_or_hide_changes_for_revision
+    link_to(@show_diff ? 'Hide changes' : 'See changes', 
+        {:web => @web.address, :action => 'revision', :id => @page.name, :rev => @revision_number, 
+         :mode => (@show_diff ? nil : 'diff') },
+        {:class => 'navlink', :accesskey => 'C', :name => 'see_changes'})
+  end
+
+  def see_or_hide_changes_for_page
+    link_to(@show_diff ? 'Hide changes' : 'See changes', 
+        {:web => @web.address, :action => 'show', :id => @page.name, :mode => (@show_diff ? nil : 'diff') },
+        {:class => 'navlink', :accesskey => 'C', :name => 'see_changes'})
+  end
+  
+  def rollback
+    link_to('Rollback', 
+        {:web => @web.address, :action => 'rollback', :id => @page.name, :rev => @revision_number},
+        {:class => 'navlink', :name => 'rollback'})
+  end
+
+  
+
+end