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path: root/redmine/app/views/projects/gantt.rfpdf
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<%
pdf=IfpdfHelper::IFPDF.new
pdf.AliasNbPages
pdf.footer_date = format_date(Date.today)
pdf.AddPage("L")
pdf.SetFont('Arial','B',12)
pdf.SetX(15)
pdf.Cell(70, 20, @project.name)
pdf.Ln
pdf.SetFont('Arial','B',9)

subject_width = 70
header_heigth = 5

headers_heigth = header_heigth
show_weeks = false
show_days = false

if @months < 7
    show_weeks = true
    headers_heigth = 2*header_heigth
    if @months < 3
        show_days = true
        headers_heigth = 3*header_heigth
    end
end

g_width = 210
zoom = (g_width) / (@date_to - @date_from + 1)
g_height = 120
t_height = g_height + headers_heigth

y_start = pdf.GetY


#
# Months headers
#
month_f = @date_from
left = subject_width
height = header_heigth
@months.times do 
	width = ((month_f >> 1) - month_f) * zoom 
	pdf.SetY(y_start)
	pdf.SetX(left)
	pdf.Cell(width, height, "#{month_f.year}-#{month_f.month}", "LTR", 0, "C")
	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-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
		pdf.SetY(y_start + header_heigth)
		pdf.SetX(left)
		pdf.Cell(width, height, week_f.cweek.to_s, "LTR", 0, "C")
		left = left + width
		week_f = week_f+7
	end
end

#
# Days headers
#
if show_days
	left = subject_width
	height = header_heigth
	wday = @date_from.cwday
	pdf.SetFont('Arial','B',7)
	(@date_to - @date_from + 1).to_i.times do 
		width = zoom
		pdf.SetY(y_start + 2 * header_heigth)
		pdf.SetX(left)
		pdf.Cell(width, height, day_name(wday)[0,1], "LTR", 0, "C")
		left = left + width
		wday = wday + 1
		wday = 1 if wday > 7
	end
end

pdf.SetY(y_start)
pdf.SetX(15)
pdf.Cell(subject_width+g_width-15, headers_heigth, "", 1)


#
# Tasks
#
top = headers_heigth + y_start
pdf.SetFont('Arial','B',7)
@issues.each do |i|
	pdf.SetY(top)
	pdf.SetX(15)
	pdf.Cell(subject_width-15, 5, "#{i.tracker.name} #{i.id}: #{i.subject}".sub(/^(.{30}[^\s]*\s).*$/, '\1 (...)'), "LR")

	pdf.SetY(top)
	pdf.SetX(subject_width)
	pdf.Cell(g_width, 5, "", "LR")
	
	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) 
	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
	l_width ||= 0

	pdf.SetY(top+1.5)
	pdf.SetX(subject_width + i_left)
	pdf.SetFillColor(200,200,200)
	pdf.Cell(i_width, 2, "", 0, 0, "", 1)

	if l_width > 0
		pdf.SetY(top+1.5)
		pdf.SetX(subject_width + i_left)
		pdf.SetFillColor(255,100,100)
		pdf.Cell(l_width, 2, "", 0, 0, "", 1)
	end 
	if d_width > 0
		pdf.SetY(top+1.5)
		pdf.SetX(subject_width + i_left)
		pdf.SetFillColor(100,100,255)
		pdf.Cell(d_width, 2, "", 0, 0, "", 1)
	end
	
	pdf.SetY(top+1.5)
	pdf.SetX(subject_width + i_left + i_width)
	pdf.Cell(30, 2, "#{i.status.name} #{i.done_ratio}%")
	
	top = top + 5
	pdf.SetDrawColor(200, 200, 200)
	pdf.Line(15, top, subject_width+g_width, top)
	if pdf.GetY() > 180
		pdf.AddPage("L")
		top = 20
		pdf.Line(15, top, subject_width+g_width, top)
	end
	pdf.SetDrawColor(0, 0, 0)
end

pdf.Line(15, top, subject_width+g_width, top)

%>
<%= pdf.Output %>