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# redMine - project management software
# Copyright (C) 2006 Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
module ProjectsHelper
def link_to_version(version, options = {})
return '' unless version && version.is_a?(Version)
link_to version.name, {:controller => 'projects',
:action => 'roadmap',
:id => version.project_id,
:completed => (version.completed? ? 1 : nil),
:anchor => version.name
}, options
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)
def new_issue_selector
trackers = Tracker.find(:all, :order => 'position')
# can't use form tag inside helper
content_tag('form',
select_tag('tracker_id', '<option></option>' + options_from_collection_for_select(trackers, 'id', 'name'), :onchange => "if (this.value != '') {this.form.submit()}"),
:action => url_for(:controller => 'projects', :action => 'add_issue', :id => @project), :method => 'get')
end
end
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