Chris@1296: # encoding: utf-8
Chris@1296: #
Chris@1296: # Redmine - project management software
Chris@1296: # Copyright (C) 2006-2012  Jean-Philippe Lang
Chris@1296: #
Chris@1296: # This program is free software; you can redistribute it and/or
Chris@1296: # modify it under the terms of the GNU General Public License
Chris@1296: # as published by the Free Software Foundation; either version 2
Chris@1296: # of the License, or (at your option) any later version.
Chris@1296: #
Chris@1296: # This program is distributed in the hope that it will be useful,
Chris@1296: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@1296: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@1296: # GNU General Public License for more details.
Chris@1296: #
Chris@1296: # You should have received a copy of the GNU General Public License
Chris@1296: # along with this program; if not, write to the Free Software
Chris@1296: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
Chris@1296: 
Chris@1296: module GanttHelper
Chris@1296: 
Chris@1296:   def gantt_zoom_link(gantt, in_or_out)
Chris@1296:     case in_or_out
Chris@1296:     when :in
Chris@1296:       if gantt.zoom < 4
Chris@1296:         link_to_content_update l(:text_zoom_in),
Chris@1296:           params.merge(gantt.params.merge(:zoom => (gantt.zoom+1))),
Chris@1296:           :class => 'icon icon-zoom-in'
Chris@1296:       else
Chris@1296:         content_tag('span', l(:text_zoom_in), :class => 'icon icon-zoom-in').html_safe
Chris@1296:       end
Chris@1296: 
Chris@1296:     when :out
Chris@1296:       if gantt.zoom > 1
Chris@1296:         link_to_content_update l(:text_zoom_out),
Chris@1296:           params.merge(gantt.params.merge(:zoom => (gantt.zoom-1))),
Chris@1296:           :class => 'icon icon-zoom-out'
Chris@1296:       else
Chris@1296:         content_tag('span', l(:text_zoom_out), :class => 'icon icon-zoom-out').html_safe
Chris@1296:       end
Chris@1296:     end
Chris@1296:   end
Chris@1296: end