Added page-preview feature to wiki module.

app/controllers/pages_controller.rb

@@ -18,10 +18,8 @@ class PagesController < ApplicationController
     end
   end
 
-  # GET /pages/new
-  # GET /pages/new.xml
   def new
-    @page = Page.new(:title => params[:title])
+    @page = Page.new(:title => params[:title].capitalize.gsub("-", " "))
 
     respond_to do |format|
       format.html # new.html.erb
@@ -29,47 +27,46 @@ class PagesController < ApplicationController
     end
   end
 
-  # GET /pages/1/edit
   def edit
     @page = Page.find(params[:id])
   end
 
-  # POST /pages
-  # POST /pages.xml
   def create
     @page = current_user.pages.build(params[:page])
 
-    respond_to do |format|
+    if params[:preview]
+      render :action => 'new'
+    else
       if @page.save
         flash[:notice] = 'Seite wurde angelegt.'
-        format.html { redirect_to(wiki_page_path(@page.permalink)) }
+        redirect_to(wiki_page_path(@page.permalink))
-        format.xml  { render :xml => @page, :status => :created, :location => @page }
       else
-        format.html { render :action => "new" }
+        render :action => "new"
-        format.xml  { render :xml => @page.errors, :status => :unprocessable_entity }
       end
     end
   end
 
-  # PUT /pages/1
-  # PUT /pages/1.xml
   def update
     @page = Page.find(params[:id])
+    @page.attributes = params[:page].merge({:user => current_user})
 
-    if @page.update_attributes(params[:page].merge({:user => current_user}))
+    if params[:preview]
+      @page.attributes = params[:page]
+      render :action => 'edit'
+    else
+      if @page.save
         flash[:notice] = 'Seite wurde aktualisiert.'
         redirect_to wiki_page_path(@page.permalink)
       else
         render :action => "edit"
       end
+    end
 
   rescue ActiveRecord::StaleObjectError
     flash[:error] = "Achtung, die Seite wurde gerade von jemand anderes bearbeitet. Bitte versuche es erneut."
     redirect_to wiki_page_path(@page.permalink)
   end
 
-  # DELETE /pages/1
-  # DELETE /pages/1.xml
   def destroy
     @page = Page.find(params[:id])
     @page.destroy

app/views/pages/_body.html.haml

@@ -0,0 +1 @@
+= wikified_body @page.body

app/views/pages/_form.html.haml

@@ -1,3 +1,7 @@
+- if params[:preview]
+  %h2 Vorschau
+  #preview= render :partial => 'body'
+
 #wiki-syntax-help{:style => "float:right"}
   %p
     %b Schnelle Formatierungshilfe
@@ -25,6 +29,8 @@
     %br/
     = f.text_area :body, :size => "60x30"
   %p
+    = f.submit "Vorschau", :name => 'preview'
+    |
     = f.submit "Speichern"
     |
     = link_to "Abbrechen", :back

app/views/pages/show.html.haml

@@ -11,7 +11,7 @@
           = "(#{User.find(version.updated_by).nick})"
 
 
-= wikified_body @page.body
+= render :partial => 'body'
 
 %hr.clear/
 %p

public/stylesheets/main.css

@@ -440,3 +440,7 @@ ul.autocomplete .informal {
 
 a.new_wiki_link {
   color: grey; }
+
+#preview {
+  border: 1px dotted grey;
+  padding: 0 1em; }

public/stylesheets/print.css

@@ -441,6 +441,10 @@ ul.autocomplete .informal {
 a.new_wiki_link {
   color: grey; }
 
+#preview {
+  border: 1px dotted grey;
+  padding: 0 1em; }
+
 #logininfo, #header, #footer {
   display: none; }
 

public/stylesheets/sass/main.sass

@@ -488,3 +488,6 @@ ul.autocomplete
 // *** wiki
 a.new_wiki_link
   color: grey
+#preview
+  border: 1px dotted grey
+  padding: 0 1em