Wiki: allows single section edit (#2222).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@7829 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/wiki_controller.rb

@@ -100,6 +100,13 @@ class WikiController < ApplicationController
 
     # To prevent StaleObjectError exception when reverting to a previous version
     @content.version = @page.content.version
+    
+    @text = @content.text
+    if params[:section].present?
+      @section = params[:section].to_i
+      @text, @section_hash = Redmine::WikiFormatting.formatter.new(@text).get_section(@section)
+      render_404 if @text.blank?
+    end
   end
 
   verify :method => :put, :only => :update, :render => {:nothing => true, :status => :method_not_allowed }
@@ -120,7 +127,17 @@ class WikiController < ApplicationController
       redirect_to :action => 'show', :project_id => @project, :id => @page.title
       return
     end
-    @content.attributes = params[:content]
+    
+    @content.comments = params[:content][:comments]
+    @text = params[:content][:text]
+    if params[:section].present?
+      @section = params[:section].to_i
+      @section_hash = params[:section_hash]
+      @content.text = Redmine::WikiFormatting.formatter.new(@content.text).update_section(params[:section].to_i, @text, @section_hash)
+    else
+      @content.version = params[:content][:version]
+      @content.text = @text
+    end
     @content.author = User.current
     # if page is new @page.save will also save content, but not if page isn't a new record
     if (@page.new_record? ? @page.save : @content.save)
@@ -132,7 +149,7 @@ class WikiController < ApplicationController
       render :action => 'edit'
     end
 
-  rescue ActiveRecord::StaleObjectError
+  rescue ActiveRecord::StaleObjectError, Redmine::WikiFormatting::StaleSectionError
     # Optimistic locking exception
     flash.now[:error] = l(:notice_locking_conflict)
     render :action => 'edit'

app/helpers/application_helper.rb

@@ -486,11 +486,11 @@ module ApplicationHelper
     project = options[:project] || @project || (obj && obj.respond_to?(:project) ? obj.project : nil)
     only_path = options.delete(:only_path) == false ? false : true
 
-    text = Redmine::WikiFormatting.to_html(Setting.text_formatting, text, :object => obj, :attribute => attr) { |macro, args| exec_macro(macro, obj, args) }
+    text = Redmine::WikiFormatting.to_html(Setting.text_formatting, text, :object => obj, :attribute => attr)
 
     @parsed_headings = []
     text = parse_non_pre_blocks(text) do |text|
-      [:parse_inline_attachments, :parse_wiki_links, :parse_redmine_links, :parse_headings].each do |method_name|
+      [:parse_sections, :parse_inline_attachments, :parse_wiki_links, :parse_redmine_links, :parse_macros, :parse_headings].each do |method_name|
         send method_name, text, project, obj, attr, only_path, options
       end
     end
@@ -728,7 +728,23 @@ module ApplicationHelper
     end
   end
 
-  HEADING_RE = /<h(1|2|3|4)( [^>]+)?>(.+?)<\/h(1|2|3|4)>/i unless const_defined?(:HEADING_RE)
+  HEADING_RE = /(<h(1|2|3|4)( [^>]+)?>(.+?)<\/h(1|2|3|4)>)/i unless const_defined?(:HEADING_RE)
+
+  def parse_sections(text, project, obj, attr, only_path, options)
+    return unless options[:edit_section_links]
+    section = 0
+    text.gsub!(HEADING_RE) do
+      section += 1
+      if section > 1
+        content_tag('div',
+          link_to(image_tag('edit.png'), options[:edit_section_links].merge(:section => section)),
+          :class => 'contextual',
+          :title => l(:button_edit_section)) + $1
+      else
+        $1
+      end
+    end
+  end
 
   # Headings and TOC
   # Adds ids and links to headings unless options[:headings] is set to false
@@ -736,7 +752,7 @@ module ApplicationHelper
     return if options[:headings] == false
 
     text.gsub!(HEADING_RE) do
-      level, attrs, content = $1.to_i, $2, $3
+      level, attrs, content = $2.to_i, $3, $4
       item = strip_tags(content).strip
       anchor = sanitize_anchor_name(item)
       # used for single-file wiki export
@@ -746,6 +762,33 @@ module ApplicationHelper
     end
   end
 
+  MACROS_RE = /
+                (!)?                        # escaping
+                (
+                \{\{                        # opening tag
+                ([\w]+)                     # macro name
+                (\(([^\}]*)\))?             # optional arguments
+                \}\}                        # closing tag
+                )
+              /x unless const_defined?(:MACROS_RE)
+
+  # Macros substitution
+  def parse_macros(text, project, obj, attr, only_path, options)
+    text.gsub!(MACROS_RE) do
+      esc, all, macro = $1, $2, $3.downcase
+      args = ($5 || '').split(',').each(&:strip)
+      if esc.nil?
+        begin
+          exec_macro(macro, obj, args)
+        rescue => e
+          "<div class=\"flash error\">Error executing the <strong>#{macro}</strong> macro (#{e})</div>"
+        end || all
+      else
+        all
+      end
+    end
+  end
+
   TOC_RE = /<p>\{\{([<>]?)toc\}\}<\/p>/i unless const_defined?(:TOC_RE)
 
   # Renders the TOC with given headings

app/views/wiki/_content.html.erb

@@ -1,3 +1,4 @@
-<div class="wiki">
-  <%= textilizable content, :text, :attachments => content.page.attachments %>
+<div class="wiki wiki-page">
+  <%= textilizable content, :text, :attachments => content.page.attachments,
+        :edit_section_links => (content.is_a?(WikiContent) && @editable && User.current.allowed_to?(:edit_wiki_pages, @page.project) && {:controller => 'wiki', :action => 'edit', :project_id => @page.project, :id => @page.title}) %>
 </div>

app/views/wiki/edit.html.erb

@@ -4,9 +4,13 @@
 
 <% form_for :content, @content, :url => {:action => 'update', :id => @page.title}, :html => {:method => :put, :multipart => true, :id => 'wiki_form'} do |f| %>
 <%= f.hidden_field :version %>
+<% if @section %>
+<%= hidden_field_tag 'section', @section %>
+<%= hidden_field_tag 'section_hash', @section_hash %>
+<% end %>
 <%= error_messages_for 'content' %>
 
-<p><%= f.text_area :text, :cols => 100, :rows => 25, :class => 'wiki-edit', :accesskey => accesskey(:edit) %></p>
+<p><%= text_area_tag 'content[text]', @text, :cols => 100, :rows => 25, :class => 'wiki-edit', :accesskey => accesskey(:edit) %></p>
 <p><label><%= l(:field_comments) %></label><br /><%= f.text_field :comments, :size => 120 %></p>
 <p><label><%=l(:label_attachment_plural)%></label><br /><%= render :partial => 'attachments/form' %></p>