chris@22: # redMine - project management software
chris@22: # Copyright (C) 2006  Jean-Philippe Lang
chris@22: #
chris@22: # This program is free software; you can redistribute it and/or
chris@22: # modify it under the terms of the GNU General Public License
chris@22: # as published by the Free Software Foundation; either version 2
chris@22: # of the License, or (at your option) any later version.
chris@22: # 
chris@22: # This program is distributed in the hope that it will be useful,
chris@22: # but WITHOUT ANY WARRANTY; without even the implied warranty of
chris@22: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
chris@22: # GNU General Public License for more details.
chris@22: # 
chris@22: # You should have received a copy of the GNU General Public License
chris@22: # along with this program; if not, write to the Free Software
chris@22: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
chris@22: 
chris@22: module GanttHelper
chris@37: 
chris@37:   def gantt_zoom_link(gantt, in_or_out)
chris@37:     case in_or_out
chris@37:     when :in
chris@37:       if gantt.zoom < 4
chris@37:         link_to_remote(l(:text_zoom_in),
chris@37:                        {:url => gantt.params.merge(:zoom => (gantt.zoom+1)), :method => :get, :update => 'content'},
chris@37:                        {:href => url_for(gantt.params.merge(:zoom => (gantt.zoom+1))),
chris@37:                         :class => 'icon icon-zoom-in'})
chris@37:       else
chris@37:         content_tag('span', l(:text_zoom_in), :class => 'icon icon-zoom-in')
chris@37:       end
chris@37:       
chris@37:     when :out
chris@37:       if gantt.zoom > 1
chris@37:         link_to_remote(l(:text_zoom_out),
chris@37:                        {:url => gantt.params.merge(:zoom => (gantt.zoom-1)), :method => :get, :update => 'content'},
chris@37:                        {:href => url_for(gantt.params.merge(:zoom => (gantt.zoom-1))),
chris@37:                         :class => 'icon icon-zoom-out'})
chris@37:       else
chris@37:         content_tag('span', l(:text_zoom_out), :class => 'icon icon-zoom-out')
chris@37:       end
chris@37:     end
chris@37:   end
chris@37:   
chris@22:   def number_of_issues_on_versions(gantt)
chris@22:     versions = gantt.events.collect {|event| (event.is_a? Version) ? event : nil}.compact
chris@22: 
chris@22:     versions.sum {|v| v.fixed_issues.for_gantt.with_query(@query).count}
chris@22:   end
chris@22: end