New setting added to specify how many objects should be displayed on most paginated lists.

Default is: 25, 50, 100 (users can choose one of these values).
If one value only is entered in this setting (eg. 25), the 'per page' links are not displayed (prior behaviour).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1026 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/admin_controller.rb

@@ -35,7 +35,7 @@ class AdminController < ApplicationController
     
     @project_count = Project.count(:conditions => conditions)
     @project_pages = Paginator.new self, @project_count,
-								25,
+								per_page_option,
 								params['page']								
     @projects = Project.find :all, :order => sort_clause,
                         :conditions => conditions,

app/controllers/application.rb

@@ -158,6 +158,21 @@ class ApplicationController < ActionController::Base
     attachments
   end
 
+  # Returns the number of objects that should be displayed
+  # on the paginated list
+  def per_page_option
+    per_page = nil
+    if params[:per_page] && Setting.per_page_options_array.include?(params[:per_page].to_s.to_i)
+      per_page = params[:per_page].to_s.to_i
+      session[:per_page] = per_page
+    elsif session[:per_page]
+      per_page = session[:per_page]
+    else
+      per_page = Setting.per_page_options_array.first || 25
+    end
+    per_page
+  end
+
   # qvalues http header parser
   # code taken from webrick
   def parse_qvalues(value)

app/controllers/boards_controller.rb

@@ -40,7 +40,7 @@ class BoardsController < ApplicationController
     sort_update	
       
     @topic_count = @board.topics.count
-    @topic_pages = Paginator.new self, @topic_count, 25, params['page']
+    @topic_pages = Paginator.new self, @topic_count, per_page_option, params['page']
     @topics =  @board.topics.find :all, :order => "#{Message.table_name}.sticky DESC, #{sort_clause}",
                                   :include => [:author, {:last_reply => :author}],
                                   :limit  =>  @topic_pages.items_per_page,

app/controllers/issues_controller.rb

@@ -45,7 +45,7 @@ class IssuesController < ApplicationController
     sort_update
     retrieve_query
     if @query.valid?
-      limit = %w(pdf csv).include?(params[:format]) ? Setting.issues_export_limit.to_i : 25
+      limit = %w(pdf csv).include?(params[:format]) ? Setting.issues_export_limit.to_i : per_page_option
       @issue_count = Issue.count(:include => [:status, :project], :conditions => @query.statement)
       @issue_pages = Paginator.new self, @issue_count, limit, params['page']
       @issues = Issue.find :all, :order => sort_clause,

app/controllers/repositories_controller.rb

@@ -75,7 +75,7 @@ class RepositoriesController < ApplicationController
   def revisions
     @changeset_count = @repository.changesets.count
     @changeset_pages = Paginator.new self, @changeset_count,
-								      25,
+								      per_page_option,
 								      params['page']								
     @changesets = @repository.changesets.find(:all,
 						:limit  =>  @changeset_pages.items_per_page,

app/controllers/users_controller.rb

@@ -39,7 +39,7 @@ class UsersController < ApplicationController
     
     @user_count = User.count(:conditions => conditions)
     @user_pages = Paginator.new self, @user_count,
-								15,
+								per_page_option,
 								params['page']								
     @users =  User.find :all,:order => sort_clause,
                         :conditions => conditions,

app/controllers/wiki_controller.rb

@@ -97,7 +97,7 @@ class WikiController < ApplicationController
     @page = @wiki.find_page(params[:page])
     
     @version_count = @page.content.versions.count
-    @version_pages = Paginator.new self, @version_count, 25, params['p']
+    @version_pages = Paginator.new self, @version_count, per_page_option, params['p']
     # don't load text    
     @versions = @page.content.versions.find :all, 
                                             :select => "id, author_id, comments, updated_on, version",