Commit d49e2080 authored by jplang's avatar jplang
Browse files

Adds support for free ticket filtering and custom queries on Gantt chart.

ProjectsController#gantt moved to IssuesController.

git-svn-id: https://svn.redmine.org/redmine/trunk@1797 e93f8b46-1217-0410-a6f0-8f06a7374b81
parent 6aca0b26
......@@ -20,7 +20,7 @@ class IssuesController < ApplicationController
before_filter :find_issue, :only => [:show, :edit, :reply, :destroy_attachment]
before_filter :find_issues, :only => [:bulk_edit, :move, :destroy]
before_filter :find_project, :only => [:new, :update_form, :preview]
before_filter :find_project, :only => [:new, :update_form, :preview, :gantt]
before_filter :authorize, :except => [:index, :changes, :preview, :update_form, :context_menu]
before_filter :find_optional_project, :only => [:index, :changes]
accept_key_auth :index, :changes
......@@ -322,6 +322,38 @@ class IssuesController < ApplicationController
redirect_to :action => 'show', :id => @issue
end
def gantt
@gantt = Redmine::Helpers::Gantt.new(params)
retrieve_query
if @query.valid?
events = []
# Issues that have start and due dates
events += Issue.find(:all,
:order => "start_date, due_date",
:include => [:tracker, :status, :assigned_to, :priority, :project],
:conditions => ["(#{@query.statement}) AND (((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)", @gantt.date_from, @gantt.date_to, @gantt.date_from, @gantt.date_to, @gantt.date_from, @gantt.date_to]
)
# Issues that don't have a due date but that are assigned to a version with a date
events += Issue.find(:all,
:order => "start_date, effective_date",
:include => [:tracker, :status, :assigned_to, :priority, :project, :fixed_version],
:conditions => ["(#{@query.statement}) AND (((start_date>=? and start_date<=?) or (effective_date>=? and effective_date<=?) or (start_date<? and effective_date>?)) and start_date is not null and due_date is null and effective_date is not null)", @gantt.date_from, @gantt.date_to, @gantt.date_from, @gantt.date_to, @gantt.date_from, @gantt.date_to]
)
# Related versions
version_ids = events.collect(&:fixed_version_id).compact.uniq
events += Version.find_all_by_id(version_ids, :include => :project,
:conditions => ["effective_date BETWEEN ? AND ?", @gantt.date_from, @gantt.date_to]) unless version_ids.empty?
@gantt.events = events
end
respond_to do |format|
format.html { render :template => "issues/gantt.rhtml", :layout => !request.xhr? }
format.png { send_data(@gantt.to_image, :disposition => 'inline', :type => 'image/png', :filename => "#{@project.identifier}-gantt.png") } if @gantt.respond_to?('to_image')
format.pdf { send_data(render(:template => "issues/gantt.rfpdf", :layout => false), :type => 'application/pdf', :filename => "#{@project.identifier}-gantt.pdf") }
end
end
def context_menu
@issues = Issue.find_all_by_id(params[:ids], :include => :project)
if (@issues.size == 1)
......
......@@ -272,69 +272,6 @@ class ProjectsController < ApplicationController
@calendar.events = events
render :layout => false if request.xhr?
end
def gantt
@trackers = @project.rolled_up_trackers
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
@with_subprojects = params[:with_subprojects].nil? ? Setting.display_subprojects_issues? : (params[:with_subprojects] == '1')
@events = []
@project.issues_with_subprojects(@with_subprojects) do
# Issues that have start and due dates
@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?
# Issues that don't have a due date but that are assigned to a version with a date
@events += Issue.find(:all,
:order => "start_date, effective_date",
:include => [:tracker, :status, :assigned_to, :priority, :project, :fixed_version],
:conditions => ["(((start_date>=? and start_date<=?) or (effective_date>=? and effective_date<=?) or (start_date<? and effective_date>?)) and start_date is not null and due_date is null and effective_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 += Version.find(:all, :include => :project,
:conditions => ["effective_date BETWEEN ? AND ?", @date_from, @date_to])
end
@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 => "projects/gantt.rhtml"
end
end
private
......
......@@ -45,154 +45,4 @@ module ProjectsHelper
]
tabs.select {|tab| User.current.allowed_to?(tab[:action], @project)}
end
# Generates a gantt image
# Only defined if RMagick is avalaible
def gantt_image(events, date_from, months, zoom)
date_to = (date_from >> months)-1
show_weeks = zoom > 1
show_days = zoom > 2
subject_width = 320
header_heigth = 18
# width of one day in pixels
zoom = zoom*2
g_width = (date_to - date_from + 1)*zoom
g_height = 20 * events.length + 20
headers_heigth = (show_weeks ? 2*header_heigth : header_heigth)
height = g_height + headers_heigth
imgl = Magick::ImageList.new
imgl.new_image(subject_width+g_width+1, height)
gc = Magick::Draw.new
# Subjects
top = headers_heigth + 20
gc.fill('black')
gc.stroke('transparent')
gc.stroke_width(1)
events.each do |i|
gc.text(4, top + 2, (i.is_a?(Issue) ? i.subject : i.name))
top = top + 20
end
# Months headers
month_f = date_from
left = subject_width
months.times do
width = ((month_f >> 1) - month_f) * zoom
gc.fill('white')
gc.stroke('grey')
gc.stroke_width(1)
gc.rectangle(left, 0, left + width, height)
gc.fill('black')
gc.stroke('transparent')
gc.stroke_width(1)
gc.text(left.round + 8, 14, "#{month_f.year}-#{month_f.month}")
left = left + width
month_f = month_f >> 1
end
# Weeks headers
if show_weeks
left = subject_width
height = header_heigth
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
gc.fill('white')
gc.stroke('grey')
gc.stroke_width(1)
gc.rectangle(left, header_heigth, left + width, 2*header_heigth + g_height-1)
left = left + width
end
while week_f <= date_to
width = (week_f + 6 <= date_to) ? 7 * zoom : (date_to - week_f + 1) * zoom
gc.fill('white')
gc.stroke('grey')
gc.stroke_width(1)
gc.rectangle(left.round, header_heigth, left.round + width, 2*header_heigth + g_height-1)
gc.fill('black')
gc.stroke('transparent')
gc.stroke_width(1)
gc.text(left.round + 2, header_heigth + 14, week_f.cweek.to_s)
left = left + width
week_f = week_f+7
end
end
# Days details (week-end in grey)
if show_days
left = subject_width
height = g_height + header_heigth - 1
wday = date_from.cwday
(date_to - date_from + 1).to_i.times do
width = zoom
gc.fill(wday == 6 || wday == 7 ? '#eee' : 'white')
gc.stroke('grey')
gc.stroke_width(1)
gc.rectangle(left, 2*header_heigth, left + width, 2*header_heigth + g_height-1)
left = left + width
wday = wday + 1
wday = 1 if wday > 7
end
end
# border
gc.fill('transparent')
gc.stroke('grey')
gc.stroke_width(1)
gc.rectangle(0, 0, subject_width+g_width, headers_heigth)
gc.stroke('black')
gc.rectangle(0, 0, subject_width+g_width, g_height+ headers_heigth-1)
# content
top = headers_heigth + 20
gc.stroke('transparent')
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 = subject_width + ((i_start_date - date_from)*zoom).floor
i_width = ((i_end_date - i_start_date + 1)*zoom).floor # total width of the issue
d_width = ((i_done_date - i_start_date)*zoom).floor # done width
l_width = i_late_date ? ((i_late_date - i_start_date+1)*zoom).floor : 0 # delay width
gc.fill('grey')
gc.rectangle(i_left, top, i_left + i_width, top - 6)
gc.fill('red')
gc.rectangle(i_left, top, i_left + l_width, top - 6) if l_width > 0
gc.fill('blue')
gc.rectangle(i_left, top, i_left + d_width, top - 6) if d_width > 0
gc.fill('black')
gc.text(i_left + i_width + 5,top + 1, "#{i.status.name} #{i.done_ratio}%")
else
i_left = subject_width + ((i.start_date - date_from)*zoom).floor
gc.fill('green')
gc.rectangle(i_left, top, i_left + 6, top - 6)
gc.fill('black')
gc.text(i_left + 11, top + 1, i.name)
end
top = top + 20
end
# today red line
if Date.today >= date_from and Date.today <= date_to
gc.stroke('red')
x = (Date.today-date_from+1)*zoom + subject_width
gc.line(x, headers_heigth, x, headers_heigth + g_height-1)
end
gc.draw(imgl)
imgl
end if Object.const_defined?(:Magick)
end
......@@ -3,12 +3,22 @@
<% if @project %>
<%= link_to l(:field_summary), :controller => 'reports', :action => 'issue_report', :id => @project %><br />
<%= link_to l(:label_change_log), :controller => 'projects', :action => 'changelog', :id => @project %>
<% planning_links = []
planning_links << link_to_if_authorized(l(:label_calendar), :controller => 'projects', :action => 'calendar', :id => @project)
planning_links << link_to_if_authorized(l(:label_gantt), :action => 'gantt', :project_id => @project)
planning_links.compact!
unless planning_links.empty? %>
<h3><%= l(:label_planning) %></h3>
<p><%= planning_links.join(' | ') %></p>
<% end %>
<% end %>
<% unless sidebar_queries.empty? -%>
<h3><%= l(:label_query_plural) %></h3>
<% sidebar_queries.each do |query| -%>
<%= link_to query.name, :controller => 'issues', :action => 'index', :project_id => @project, :query_id => query %><br />
<%= link_to query.name, :query_id => query %><br />
<% end -%>
<% end -%>
......@@ -17,17 +17,17 @@ headers_heigth = header_heigth
show_weeks = false
show_days = false
if @months < 7
if @gantt.months < 7
show_weeks = true
headers_heigth = 2*header_heigth
if @months < 3
if @gantt.months < 3
show_days = true
headers_heigth = 3*header_heigth
end
end
g_width = 210
zoom = (g_width) / (@date_to - @date_from + 1)
zoom = (g_width) / (@gantt.date_to - @gantt.date_from + 1)
g_height = 120
t_height = g_height + headers_heigth
......@@ -37,10 +37,10 @@ y_start = pdf.GetY
#
# Months headers
#
month_f = @date_from
month_f = @gantt.date_from
left = subject_width
height = header_heigth
@months.times do
@gantt.months.times do
width = ((month_f >> 1) - month_f) * zoom
pdf.SetY(y_start)
pdf.SetX(left)
......@@ -55,20 +55,20 @@ end
if show_weeks
left = subject_width
height = header_heigth
if @date_from.cwday == 1
# @date_from is monday
week_f = @date_from
if @gantt.date_from.cwday == 1
# @gantt.date_from is monday
week_f = @gantt.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
# find next monday after @gantt.date_from
week_f = @gantt.date_from + (7 - @gantt.date_from.cwday + 1)
width = (7 - @gantt.date_from.cwday + 1) * zoom-1
pdf.SetY(y_start + header_heigth)
pdf.SetX(left)
pdf.Cell(width + 1, height, "", "LTR")
left = left + width+1
end
while week_f <= @date_to
width = (week_f + 6 <= @date_to) ? 7 * zoom : (@date_to - week_f + 1) * zoom
while week_f <= @gantt.date_to
width = (week_f + 6 <= @gantt.date_to) ? 7 * zoom : (@gantt.date_to - week_f + 1) * zoom
pdf.SetY(y_start + header_heigth)
pdf.SetX(left)
pdf.Cell(width, height, (width >= 5 ? week_f.cweek.to_s : ""), "LTR", 0, "C")
......@@ -83,9 +83,9 @@ end
if show_days
left = subject_width
height = header_heigth
wday = @date_from.cwday
wday = @gantt.date_from.cwday
pdf.SetFontStyle('B',7)
(@date_to - @date_from + 1).to_i.times do
(@gantt.date_to - @gantt.date_from + 1).to_i.times do
width = zoom
pdf.SetY(y_start + 2 * header_heigth)
pdf.SetX(left)
......@@ -106,7 +106,7 @@ pdf.Cell(subject_width+g_width-15, headers_heigth, "", 1)
#
top = headers_heigth + y_start
pdf.SetFontStyle('B',7)
@events.each do |i|
@gantt.events.each do |i|
pdf.SetY(top)
pdf.SetX(15)
......@@ -123,16 +123,16 @@ pdf.SetFontStyle('B',7)
pdf.SetY(top+1.5)
if i.is_a? Issue
i_start_date = (i.start_date >= @date_from ? i.start_date : @date_from )
i_end_date = (i.due_before <= @date_to ? i.due_before : @date_to )
i_start_date = (i.start_date >= @gantt.date_from ? i.start_date : @gantt.date_from )
i_end_date = (i.due_before <= @gantt.date_to ? i.due_before : @gantt.date_to )
i_done_date = i.start_date + ((i.due_before - 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_done_date = (i_done_date <= @gantt.date_from ? @gantt.date_from : i_done_date )
i_done_date = (i_done_date >= @gantt.date_to ? @gantt.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)
i_left = ((i_start_date - @gantt.date_from)*zoom)
i_width = ((i_end_date - i_start_date + 1)*zoom)
d_width = ((i_done_date - i_start_date)*zoom)
l_width = ((i_late_date - i_start_date+1)*zoom) if i_late_date
......@@ -159,7 +159,7 @@ pdf.SetFontStyle('B',7)
pdf.SetX(subject_width + i_left + i_width)
pdf.Cell(30, 2, "#{i.status.name} #{i.done_ratio}%")
else
i_left = ((i.start_date - @date_from)*zoom)
i_left = ((i.start_date - @gantt.date_from)*zoom)
pdf.SetX(subject_width + i_left)
pdf.SetFillColor(50,200,50)
......
<% form_tag(params.merge(:month => nil, :year => nil, :months => nil), :id => 'query_form') do %>
<% if @query.new_record? %>
<h2><%=l(:label_gantt)%></h2>
<fieldset id="filters"><legend><%= l(:label_filter_plural) %></legend>
<%= render :partial => 'queries/filters', :locals => {:query => @query} %>
</fieldset>
<% else %>
<h2><%=h @query.name %></h2>
<div id="query_form"></div>
<% html_title @query.name %>
<% end %>
<fieldset id="date-range"><legend><%= l(:label_date_range) %></legend>
<%= text_field_tag 'months', @gantt.months, :size => 2 %>
<%= l(:label_months_from) %>
<%= select_month(@gantt.month_from, :prefix => "month", :discard_type => true) %>
<%= select_year(@gantt.year_from, :prefix => "year", :discard_type => true) %>
<%= hidden_field_tag 'zoom', @gantt.zoom %>
</fieldset>
<p style="float:right; margin:0px;">
<%= if @gantt.zoom < 4
link_to_remote image_tag('zoom_in.png'), {:url => @gantt.params.merge(:zoom => (@gantt.zoom+1)), :update => 'content'}, {:href => url_for(@gantt.params.merge(:zoom => (@gantt.zoom+1)))}
else
image_tag 'zoom_in_g.png'
end %>
<%= if @gantt.zoom > 1
link_to_remote image_tag('zoom_out.png'), {:url => @gantt.params.merge(:zoom => (@gantt.zoom-1)), :update => 'content'}, {:href => url_for(@gantt.params.merge(:zoom => (@gantt.zoom-1)))}
else
image_tag 'zoom_out_g.png'
end %>
</p>
<p class="buttons">
<%= link_to_remote l(:button_apply),
{ :url => { :set_filter => (@query.new_record? ? 1 : nil) },
:update => "content",
:with => "Form.serialize('query_form')"
}, :class => 'icon icon-checked' %>
<%= link_to_remote l(:button_clear),
{ :url => { :set_filter => (@query.new_record? ? 1 : nil) },
:update => "content",
}, :class => 'icon icon-reload' if @query.new_record? %>
</p>
<% end %>
<%= error_messages_for 'query' %>
<% if @query.valid? %>
<% zoom = 1
@zoom.times { zoom = zoom * 2 }
@gantt.zoom.times { zoom = zoom * 2 }
subject_width = 330
header_heigth = 18
......@@ -8,56 +57,23 @@ headers_height = header_heigth
show_weeks = false
show_days = false
if @zoom >1
if @gantt.zoom >1
show_weeks = true
headers_height = 2*header_heigth
if @zoom > 2
if @gantt.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
g_width = (@gantt.date_to - @gantt.date_from + 1)*zoom
g_height = [(20 * @gantt.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 %>
<table width="100%" style="border:0; border-collapse: collapse;">
<tr>
<td style="width:<%= subject_width %>px;">
<td style="width:<%= subject_width %>px; padding:0px;">
<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>
......@@ -67,7 +83,7 @@ t_height = g_height + headers_height
# Tasks subjects
#
top = headers_height + 8
@events.each do |i| %>
@gantt.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 %>
<%= h("#{i.project} -") unless @project && @project == i.project %>
......@@ -91,14 +107,14 @@ end %>
#
# Months headers
#
month_f = @date_from
month_f = @gantt.date_from
left = 0
height = (show_weeks ? header_heigth : header_heigth + g_height)
@months.times do
@gantt.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}"%>
<%= link_to "#{month_f.year}-#{month_f.month}", @gantt.params.merge(:year => month_f.year, :month => month_f.month), :title => "#{month_name(month_f.month)} #{month_f.year}"%>
</div>
<%
left = left + width + 1
......@@ -112,21 +128,21 @@ end %>
if show_weeks
left = 0
height = (show_days ? header_heigth-1 : header_heigth-1 + g_height)
if @date_from.cwday == 1
if @gantt.date_from.cwday == 1
# @date_from is monday
week_f = @date_from
week_f = @gantt.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
week_f = @gantt.date_from + (7 - @gantt.date_from.cwday + 1)
width = (7 - @gantt.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
while week_f <= @gantt.date_to
width = (week_f + 6 <= @gantt.date_to) ? 7 * zoom -1 : (@gantt.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>
......@@ -144,8 +160,8 @@ end %>
if show_days
left = 0
height = g_height + header_heigth - 1
wday = @date_from.cwday
(@date_to - @date_from + 1).to_i.times do
wday = @gantt.date_from.cwday
(@gantt.date_to - @gantt.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">
......@@ -163,18 +179,18 @@ end %>