Redmine

  helper :issues

  helper IssuesHelper

  helper :projects

  helper ProjectsHelper

  def gantt

    @trackers = Tracker.find(:all, :order => 'position')

    retrieve_selected_tracker_ids(@trackers)

    if params[:year] and params[:year].to_i >0

      @year_from = params[:year].to_i

      if params[:month] and params[:month].to_i >=1 and params[:month].to_i <= 12

        @month_from = params[:month].to_i

      else

        @month_from = 1

      end

    else

      @month_from ||= Date.today.month

      @year_from ||= Date.today.year

    end

    zoom = (params[:zoom] || User.current.pref[:gantt_zoom]).to_i

    @zoom = (zoom > 0 && zoom < 5) ? zoom : 2

    months = (params[:months] || User.current.pref[:gantt_months]).to_i

    @months = (months > 0 && months < 25) ? months : 6

    # Save gantt paramters as user preference (zoom and months count)

    if (User.current.logged? && (@zoom != User.current.pref[:gantt_zoom] || @months != User.current.pref[:gantt_months]))

      User.current.pref[:gantt_zoom], User.current.pref[:gantt_months] = @zoom, @months

      User.current.preference.save

    end

    @date_from = Date.civil(@year_from, @month_from, 1)

    @date_to = (@date_from >> @months) - 1

    @events = []

    @events += Issue.find(:all,

                          :order => "start_date, due_date",

                          :include => [:tracker, :status, :assigned_to, :priority, :project],

                          :conditions => ["(((start_date>=? and start_date<=?) or (due_date>=? and due_date<=?) or (start_date<? and due_date>?)) and start_date is not null and due_date is not null and #{Issue.table_name}.tracker_id in (#{@selected_tracker_ids.join(',')}))", @date_from, @date_to, @date_from, @date_to, @date_from, @date_to]

                           ) unless @selected_tracker_ids.empty?

#    @events += @project.versions.find(:all, :conditions => ["effective_date BETWEEN ? AND ?", @date_from, @date_to])

    @events.sort! {|x,y| x.start_date <=> y.start_date }

    if params[:format]=='pdf'

      @options_for_rfpdf ||= {}

      @options_for_rfpdf[:file_name] = "#{@project.identifier}-gantt.pdf"

      render :template => "projects/gantt.rfpdf", :layout => false

    elsif params[:format]=='png' && respond_to?('gantt_image')

      image = gantt_image(@events, @date_from, @months, @zoom)

      image.format = 'PNG'

      send_data(image.to_blob, :disposition => 'inline', :type => 'image/png', :filename => "#{@project.identifier}-gantt.png")

    else

      render :template => "trackers/gantt.rhtml"

    end

  end

  def calendar

    @trackers = Tracker.find(:all, :order => 'position')

    retrieve_selected_tracker_ids(@trackers)

    if params[:year] and params[:year].to_i > 1900

      @year = params[:year].to_i

      if params[:month] and params[:month].to_i > 0 and params[:month].to_i < 13

        @month = params[:month].to_i

      end

    end

    @year ||= Date.today.year

    @month ||= Date.today.month

    @calendar = Redmine::Helpers::Calendar.new(Date.civil(@year, @month, 1), current_language, :month)

    events = []

    events += Issue.find(:all,

                         :include => [:tracker, :status, :assigned_to, :priority, :project],

                         :conditions => ["((start_date BETWEEN ? AND ?) OR (due_date BETWEEN ? AND ?)) AND #{Issue.table_name}.tracker_id IN (#{@selected_tracker_ids.join(',')})", @calendar.startdt, @calendar.enddt, @calendar.startdt, @calendar.enddt]

                           ) unless @selected_tracker_ids.empty?

#    events += @project.versions.find(:all, :conditions => ["effective_date BETWEEN ? AND ?", @calendar.startdt, @calendar.enddt])

    @calendar.events = events

    render :layout => false if request.xhr?

  end

private

 def retrieve_selected_tracker_ids(selectable_trackers)

    if ids = params[:tracker_ids]

      @selected_tracker_ids = (ids.is_a? Array) ? ids.collect { |id| id.to_i.to_s } : ids.split('/').collect { |id| id.to_i.to_s }

    else

      @selected_tracker_ids = selectable_trackers.collect {|t| t.id.to_s }

    end

  end

<% zoom = 1

@zoom.times { zoom = zoom * 2 }

subject_width = 330

header_heigth = 18

headers_height = header_heigth

show_weeks = false

show_days = false

if @zoom >1

    show_weeks = true

    headers_height = 2*header_heigth

    if @zoom > 2

        show_days = true

        headers_height = 3*header_heigth

    end

end

g_width = (@date_to - @date_from + 1)*zoom

g_height = [(20 * @events.length + 6)+150, 206].max

t_height = g_height + headers_height

%>

<div class="contextual">

</div>

<h2><%= l(:label_gantt) %></h2>

<% form_tag(params.merge(:month => nil, :year => nil, :months => nil)) do %>

<table width="100%">

<tr>

<td align="left">

    <input type="text" name="months" size="2" value="<%= @months %>" />

    <%= l(:label_months_from) %>

    <%= select_month(@month_from, :prefix => "month", :discard_type => true) %>

    <%= select_year(@year_from, :prefix => "year", :discard_type => true) %>

    <%= hidden_field_tag 'zoom', @zoom %>

    <%= submit_tag l(:button_submit), :class => "button-small" %>    

</td>

<td align="right">

<%= if @zoom < 4

    link_to image_tag('zoom_in.png'), {:zoom => (@zoom+1), :year => @year_from, :month => @month_from, :months => @months, :tracker_ids => @selected_tracker_ids, :with_subprojects => params[:with_subprojects]}

  else

    image_tag 'zoom_in_g.png'

  end %>

<%= if @zoom > 1

    link_to image_tag('zoom_out.png'),{:zoom => (@zoom-1), :year => @year_from, :month => @month_from, :months => @months, :tracker_ids => @selected_tracker_ids, :with_subprojects => params[:with_subprojects]}

  else

    image_tag 'zoom_out_g.png'

  end %>

</td>

</tr>

</table>

<% end %>

<% cache(:year => @year_from, :month => @month_from, :months => @months, :zoom => @zoom, :tracker_ids => @selected_tracker_ids, :subprojects => params[:with_subprojects], :lang => current_language) do %>

<table width="100%" style="border:0; border-collapse: collapse;">

<tr>

<td style="width:<%= subject_width %>px;">

<div style="position:relative;height:<%= t_height + 24 %>px;width:<%= subject_width + 1 %>px;">

<div style="right:-2px;width:<%= subject_width %>px;height:<%= headers_height %>px;background: #eee;" class="gantt_hdr"></div>

<div style="right:-2px;width:<%= subject_width %>px;height:<%= t_height %>px;border-left: 1px solid #c0c0c0;overflow:hidden;" class="gantt_hdr"></div>

<%

#

# Tasks subjects

#

top = headers_height + 8

@events.each do |i| %>

    <div style="position: absolute;line-height:1.2em;height:16px;top:<%= top %>px;left:4px;overflow:hidden;"><small>    

    <% if i.is_a? Issue %>

      	<%= link_to_issue i %><%= " (#{i.project.name})" unless @project && @project == i.project %>:

      	<%=h i.subject %>

  	<% else %>

      	<%= link_to_version i, :class => "icon icon-package" %>

  	<% end %>  	

  	</small></div>

    <% top = top + 20

end %>

</div>

</td>

<td>

<div style="position:relative;height:<%= t_height + 24 %>px;overflow:auto;">

<div style="width:<%= g_width-1 %>px;height:<%= headers_height %>px;background: #eee;" class="gantt_hdr">&nbsp;</div>

<% 

#

# Months headers

#

month_f = @date_from

left = 0

height = (show_weeks ? header_heigth : header_heigth + g_height)

@months.times do 

	width = ((month_f >> 1) - month_f) * zoom - 1

	%>

	<div style="left:<%= left %>px;width:<%= width %>px;height:<%= height %>px;" class="gantt_hdr">

	<%= link_to "#{month_f.year}-#{month_f.month}", { :year => month_f.year, :month => month_f.month, :zoom => @zoom, :months => @months, :tracker_ids => @selected_tracker_ids, :with_subprojects => params[:with_subprojects] }, :title => "#{month_name(month_f.month)} #{month_f.year}"%>

	</div>

	<% 

	left = left + width + 1

	month_f = month_f >> 1

end %>

<% 

#

# Weeks headers

#

if show_weeks

	left = 0

	height = (show_days ? header_heigth-1 : header_heigth-1 + g_height)

	if @date_from.cwday == 1

	    # @date_from is monday

        week_f = @date_from

	else

	    # find next monday after @date_from

		week_f = @date_from + (7 - @date_from.cwday + 1)

		width = (7 - @date_from.cwday + 1) * zoom-1

		%>

		<div style="left:<%= left %>px;top:19px;width:<%= width %>px;height:<%= height %>px;" class="gantt_hdr">&nbsp;</div>

		<% 

		left = left + width+1

	end %>

	<%

	while week_f <= @date_to

		width = (week_f + 6 <= @date_to) ? 7 * zoom -1 : (@date_to - week_f + 1) * zoom-1

		%>

		<div style="left:<%= left %>px;top:19px;width:<%= width %>px;height:<%= height %>px;" class="gantt_hdr">

		<small><%= week_f.cweek if width >= 16 %></small>

		</div>

		<% 

		left = left + width+1

		week_f = week_f+7

	end

end %>

<% 

#

# Days headers

#

if show_days

	left = 0

	height = g_height + header_heigth - 1

	wday = @date_from.cwday

	(@date_to - @date_from + 1).to_i.times do 

	width =  zoom - 1

	%>

	<div style="left:<%= left %>px;top:37px;width:<%= width %>px;height:<%= height %>px;font-size:0.7em;<%= "background:#f1f1f1;" if wday > 5 %>" class="gantt_hdr">

	<%= day_name(wday).first %>

	</div>

	<% 

	left = left + width+1

	wday = wday + 1

	wday = 1 if wday > 7

	end

end %>

<%

#

# Tasks

#

top = headers_height + 10

@events.each do |i| 

  if i.is_a? Issue 

	i_start_date = (i.start_date >= @date_from ? i.start_date : @date_from )

	i_end_date = (i.due_date <= @date_to ? i.due_date : @date_to )

	i_done_date = i.start_date + ((i.due_date - i.start_date+1)*i.done_ratio/100).floor

	i_done_date = (i_done_date <= @date_from ? @date_from : i_done_date )

	i_done_date = (i_done_date >= @date_to ? @date_to : i_done_date )

	i_late_date = [i_end_date, Date.today].min if i_start_date < Date.today

	i_left = ((i_start_date - @date_from)*zoom).floor 	

	i_width = ((i_end_date - i_start_date + 1)*zoom).floor - 2                  # total width of the issue (- 2 for left and right borders)

	d_width = ((i_done_date - i_start_date)*zoom).floor - 2                     # done width

	l_width = i_late_date ? ((i_late_date - i_start_date+1)*zoom).floor - 2 : 0 # delay width

	%>

	<div style="top:<%= top %>px;left:<%= i_left %>px;width:<%= i_width %>px;" class="task task_todo">&nbsp;</div>

	<% if l_width > 0 %>

	    <div style="top:<%= top %>px;left:<%= i_left %>px;width:<%= l_width %>px;" class="task task_late">&nbsp;</div>

	<% end %>

	<% if d_width > 0 %>

	    <div style="top:<%= top %>px;left:<%= i_left %>px;width:<%= d_width %>px;" class="task task_done">&nbsp;</div>

	<% end %>

	<div style="top:<%= top %>px;left:<%= i_left + i_width + 5 %>px;background:#fff;" class="task">

	<%= i.status.name %>

	<%= (i.done_ratio).to_i %>%

	</div>

	<% # === tooltip === %>

	<div class="tooltip" style="position: absolute;top:<%= top %>px;left:<%= i_left %>px;width:<%= i_width %>px;height:12px;">

	<span class="tip">

    <%= render_issue_tooltip i %>

	</span></div>

<% else 

    i_left = ((i.start_date - @date_from)*zoom).floor

    %>

    <div style="top:<%= top %>px;left:<%= i_left %>px;width:15px;" class="task milestone">&nbsp;</div>

	<div style="top:<%= top %>px;left:<%= i_left + 12 %>px;background:#fff;" class="task">

	<strong><%= i.name %></strong>

	</div>

<% end %>

	<% top = top + 20

end %>

<% end # cache 

%>

<%

#

# Today red line (excluded from cache)

#

if Date.today >= @date_from and Date.today <= @date_to %>

    <div style="position: absolute;height:<%= g_height %>px;top:<%= headers_height + 1 %>px;left:<%= ((Date.today-@date_from+1)*zoom).floor()-1 %>px;width:10px;border-left: 1px dashed red;">&nbsp;</div>

<% end %>

</div>

</td>

</tr>

</table>

<table width="100%">

<tr>

<td align="left"><%= link_to ('&#171; ' + l(:label_previous)), :year => (@date_from << @months).year, :month => (@date_from << @months).month, :zoom => @zoom, :months => @months, :tracker_ids => @selected_tracker_ids, :with_subprojects => params[:with_subprojects] %></td>

<td align="right"><%= link_to (l(:label_next) + ' &#187;'), :year => (@date_from >> @months).year, :month => (@date_from >> @months).month, :zoom => @zoom, :months => @months, :tracker_ids => @selected_tracker_ids, :with_subprojects => params[:with_subprojects] %></td>

</tr>

</table>

<div class="contextual"><%= l(:label_export_to) %>

<%= link_to 'PDF', {:zoom => @zoom, :year => @year_from, :month => @month_from, :months => @months, :tracker_ids => @selected_tracker_ids, :with_subprojects => params[:with_subprojects], :format => 'pdf'}, :class => 'icon icon-pdf' %>

<%= link_to 'PNG', {:zoom => @zoom, :year => @year_from, :month => @month_from, :months => @months, :tracker_ids => @selected_tracker_ids, :with_subprojects => params[:with_subprojects], :format => 'png'}, :class => 'icon icon-image' if respond_to?('gantt_image') %>

</div>

<% content_for :sidebar do %>

    <h3><%= l(:label_gantt) %></h3>

    <% form_tag(params.merge(:tracker_ids => nil, :with_subprojects => nil)) do %>

    <% @trackers.each do |tracker| %>

      <label><%= check_box_tag "tracker_ids[]", tracker.id, (@selected_tracker_ids.include? tracker.id.to_s) %> <%= tracker.name %></label><br />

    <% end %>

    <p><%= submit_tag l(:button_apply), :class => 'button-small' %></p>

    <% end %>

<% end %>

<% cache(:year => @year, :month => @month, :tracker_ids => @selected_tracker_ids, :subprojects => params[:with_subprojects], :lang => current_language) do %>

<h2><%= l(:label_calendar) %>: <%= "#{month_name(@month).downcase} #{@year}" %></h2>

<table width="100%">

<tr><td align="left">

    <%= link_to_remote ('&#171; ' + (@month==1 ? "#{month_name(12)} #{@year-1}" : "#{month_name(@month-1)}")), 

                        {:update => "content", :url => { :year => (@month==1 ? @year-1 : @year), :month =>(@month==1 ? 12 : @month-1), :tracker_ids => @selected_tracker_ids, :with_subprojects => params[:with_subprojects] }},

                        {:href => url_for(:action => 'calendar', :year => (@month==1 ? @year-1 : @year), :month =>(@month==1 ? 12 : @month-1), :tracker_ids => @selected_tracker_ids, :with_subprojects => params[:with_subprojects])}

                        %>

</td><td align="right">

    <%= link_to_remote ((@month==12 ? "#{month_name(1)} #{@year+1}" : "#{month_name(@month+1)}") + ' &#187;'), 

                        {:update => "content", :url => { :year => (@month==12 ? @year+1 : @year), :month =>(@month==12 ? 1 : @month+1), :tracker_ids => @selected_tracker_ids, :with_subprojects => params[:with_subprojects] }},

                        {:href => url_for(:action => 'calendar', :year => (@month==12 ? @year+1 : @year), :month =>(@month==12 ? 1 : @month+1), :tracker_ids => @selected_tracker_ids, :with_subprojects => params[:with_subprojects])}

                        %>

</td></tr>

</table>

<%= render :partial => 'common/calendar', :locals => {:calendar => @calendar} %>

<%= image_tag 'arrow_from.png' %>&nbsp;&nbsp;<%= l(:text_tip_task_begin_day) %><br />

<%= image_tag 'arrow_to.png' %>&nbsp;&nbsp;<%= l(:text_tip_task_end_day) %><br />

<%= image_tag 'arrow_bw.png' %>&nbsp;&nbsp;<%= l(:text_tip_task_begin_end_day) %><br />

<% end %>

<% content_for :sidebar do %>

    <h3><%= l(:label_calendar) %></h3>

    <% form_tag() do %>

    <p><%= select_month(@month, :prefix => "month", :discard_type => true) %>

    <%= select_year(@year, :prefix => "year", :discard_type => true) %></p>

    <% @trackers.each do |tracker| %>

      <label><%= check_box_tag "tracker_ids[]", tracker.id, (@selected_tracker_ids.include? tracker.id.to_s) %> <%= tracker.name %></label><br />

    <% end %>

    <p><%= submit_tag l(:button_apply), :class => 'button-small' %></p>

    <% end %>

<% end %>