gantt.rhtml

sunday walker, 2008-02-11 14:16

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<% zoom = 1
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@zoom.times { zoom = zoom * 2 }
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subject_width = 330
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header_heigth = 18
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headers_height = header_heigth
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show_weeks = false
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show_days = false
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if @zoom >1
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    show_weeks = true
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    headers_height = 2*header_heigth
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    if @zoom > 2
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        show_days = true
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        headers_height = 3*header_heigth
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    end
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end
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g_width = (@date_to - @date_from + 1)*zoom
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g_height = [(20 * @events.length + 6)+150, 206].max
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t_height = g_height + headers_height
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%>
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<div class="contextual">
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</div>
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<h2><%= l(:label_gantt) %></h2>
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<% form_tag(params.merge(:month => nil, :year => nil, :months => nil)) do %>
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<table width="100%">
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<tr>
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<td align="left">
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    <input type="text" name="months" size="2" value="<%= @months %>" />
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    <%= l(:label_months_from) %>
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    <%= select_month(@month_from, :prefix => "month", :discard_type => true) %>
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    <%= select_year(@year_from, :prefix => "year", :discard_type => true) %>
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    <%= hidden_field_tag 'zoom', @zoom %>
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    <%= submit_tag l(:button_submit), :class => "button-small" %>    
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</td>
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<td align="right">
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<%= if @zoom < 4
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    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]}
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  else
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    image_tag 'zoom_in_g.png'
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  end %>
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<%= if @zoom > 1
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    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]}
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  else
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    image_tag 'zoom_out_g.png'
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  end %>
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</td>
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</tr>
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</table>
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<% end %>
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<% cache(:year => @year_from, :month => @month_from, :months => @months, :zoom => @zoom, :tracker_ids => @selected_tracker_ids, :subprojects => params[:with_subprojects], :lang => current_language) do %>
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<table width="100%" style="border:0; border-collapse: collapse;">
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<tr>
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<td style="width:<%= subject_width %>px;">
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<div style="position:relative;height:<%= t_height + 24 %>px;width:<%= subject_width + 1 %>px;">
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<div style="right:-2px;width:<%= subject_width %>px;height:<%= headers_height %>px;background: #eee;" class="gantt_hdr"></div>
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<div style="right:-2px;width:<%= subject_width %>px;height:<%= t_height %>px;border-left: 1px solid #c0c0c0;overflow:hidden;" class="gantt_hdr"></div>
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<%
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#
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# Tasks subjects
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#
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top = headers_height + 8
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@events.each do |i| %>
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    <div style="position: absolute;line-height:1.2em;height:16px;top:<%= top %>px;left:4px;overflow:hidden;"><small>    
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    <% if i.is_a? Issue %>
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              <%= h("#{i.project.name} -") unless @project && @project == i.project %>
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              <%= link_to_issue i %>:        <%=h i.subject %>
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          <% else %>
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              <%= link_to_version i, :class => "icon icon-package" %>
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          <% end %>          
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          </small></div>
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    <% top = top + 20
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end %>
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</div>
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</td>
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<td>
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<div style="position:relative;height:<%= t_height + 24 %>px;overflow:auto;">
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<div style="width:<%= g_width-1 %>px;height:<%= headers_height %>px;background: #eee;" class="gantt_hdr">&nbsp;</div>
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<% 
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#
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# Months headers
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#
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month_f = @date_from
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left = 0
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height = (show_weeks ? header_heigth : header_heigth + g_height)
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@months.times do 
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        width = ((month_f >> 1) - month_f) * zoom - 1
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        %>
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        <div style="left:<%= left %>px;width:<%= width %>px;height:<%= height %>px;" class="gantt_hdr">
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        <%= 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}"%>
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        </div>
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        <% 
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        left = left + width + 1
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        month_f = month_f >> 1
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end %>
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<% 
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#
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# Weeks headers
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#
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if show_weeks
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        left = 0
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        height = (show_days ? header_heigth-1 : header_heigth-1 + g_height)
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        if @date_from.cwday == 1
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            # @date_from is monday
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        week_f = @date_from
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        else
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            # find next monday after @date_from
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                week_f = @date_from + (7 - @date_from.cwday + 1)
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                width = (7 - @date_from.cwday + 1) * zoom-1
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                %>
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                <div style="left:<%= left %>px;top:19px;width:<%= width %>px;height:<%= height %>px;" class="gantt_hdr">&nbsp;</div>
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                <% 
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                left = left + width+1
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        end %>
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        <%
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        while week_f <= @date_to
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                width = (week_f + 6 <= @date_to) ? 7 * zoom -1 : (@date_to - week_f + 1) * zoom-1
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                %>
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                <div style="left:<%= left %>px;top:19px;width:<%= width %>px;height:<%= height %>px;" class="gantt_hdr">
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                <small><%= week_f.cweek if width >= 16 %></small>
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                </div>
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                <% 
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                left = left + width+1
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                week_f = week_f+7
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        end
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end %>
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<% 
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#
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# Days headers
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#
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if show_days
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        left = 0
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        height = g_height + header_heigth - 1
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        wday = @date_from.cwday
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        (@date_to - @date_from + 1).to_i.times do 
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        width =  zoom - 1
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        %>
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        <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">
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        <%= day_name(wday).first %>
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        </div>
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        <% 
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        left = left + width+1
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        wday = wday + 1
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        wday = 1 if wday > 7
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        end
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end %>
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<%
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#
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# Tasks
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#
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top = headers_height + 10
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@events.each do |i| 
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  if i.is_a? Issue 
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        i_start_date = (i.total('start_date') >= @date_from ? i.total('start_date') : @date_from )
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        i_end_date = (i.total('due_date') <= @date_to ? i.total('due_date') : @date_to )
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        i_done_date = i.total('start_date') + i.total('actual_days')
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        i_done_date = (i_done_date <= @date_from ? @date_from : i_done_date )
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        i_done_date = (i_done_date >= @date_to ? @date_to : i_done_date )
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        i_late_date = [i_end_date, Date.today].min if i_start_date < Date.today
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        i_left = ((i_start_date - @date_from)*zoom).floor         
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        i_width = ((i_end_date - i_start_date + 1)*zoom).floor - 2                  # total width of the issue (- 2 for left and right borders)
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        d_width = ((i_done_date - i_start_date)*zoom).floor - 2                     # done width
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        l_width = i_late_date ? ((i_late_date - i_start_date+1)*zoom).floor - 2 : 0 # delay width
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        %>
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        <div style="top:<%= top %>px;left:<%= i_left %>px;width:<%= i_width %>px;" class="task task_todo">&nbsp;</div>
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        <% if l_width > 0 %>
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            <div style="top:<%= top %>px;left:<%= i_left %>px;width:<%= l_width %>px;" class="task task_late">&nbsp;</div>
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        <% end %>
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        <% if d_width > 0 %>
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            <div style="top:<%= top %>px;left:<%= i_left %>px;width:<%= d_width %>px;" class="task task_done">&nbsp;</div>
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        <% end %>
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        <div style="top:<%= top %>px;left:<%= i_left + i_width + 5 %>px;background:#fff;" class="task">
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        <%= i.total('status').name %>
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        <%= (i.total('done_ratio')).to_i %>%
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        </div>
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        <% # === tooltip === %>
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        <div class="tooltip" style="position: absolute;top:<%= top %>px;left:<%= i_left %>px;width:<%= i_width %>px;height:12px;">
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        <span class="tip">
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    <%= render_issue_tooltip i %>
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        </span></div>
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<% else 
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    i_left = ((i.total('start_date') - @date_from)*zoom).floor
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    %>
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    <div style="top:<%= top %>px;left:<%= i_left %>px;width:15px;" class="task milestone">&nbsp;</div>
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        <div style="top:<%= top %>px;left:<%= i_left + 12 %>px;background:#fff;" class="task">
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        <strong><%= i.name %></strong>
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        </div>
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<% end %>
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        <% top = top + 20
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end %>
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<% end # cache 
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%>
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<%
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#
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# Today red line (excluded from cache)
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#
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if Date.today >= @date_from and Date.today <= @date_to %>
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    <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>
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<% end %>
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</div>
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</td>
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</tr>
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</table>
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<table width="100%">
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<tr>
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<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>
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<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>
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</tr>
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</table>
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<div class="contextual"><%= l(:label_export_to) %>
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<%= 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' %>
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<%= 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') %>
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</div>
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<% content_for :sidebar do %>
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    <h3><%= l(:label_gantt) %></h3>
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    <% form_tag(params.merge(:tracker_ids => nil, :with_subprojects => nil)) do %>
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    <% @trackers.each do |tracker| %>
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      <label><%= check_box_tag "tracker_ids[]", tracker.id, (@selected_tracker_ids.include? tracker.id.to_s) %> <%= tracker.name %></label><br />
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    <% end %>
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    <% if @project.active_children.any? %>
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    <br /><label><%= check_box_tag "with_subprojects", 1, params[:with_subprojects] %> <%=l(:label_subproject_plural)%></label>
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    <% end %>
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    <p><%= submit_tag l(:button_apply), :class => 'button-small' %></p>
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    <% end %>
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<% end %>
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<% set_html_title l(:label_gantt) -%>