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# This file is a part of Redmine People (redmine_people) plugin,
# humanr resources management plugin for Redmine
#
# Copyright (C) 2011-2023 RedmineUP
# http://www.redmineup.com/
#
# redmine_people 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 3 of the License, or
# (at your option) any later version.
#
# redmine_people 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 redmine_people. If not, see <http://www.gnu.org/licenses/>.
module RedminePeople
module Charts
class BaseGanttChart < Components::BaseComponent
DEFAULT_OPTIONS = {
column_width: 30, # px
subject_width: 330, # px
line_height: 32, # height: 16px + padding-top: 8px + padding-bottom: 8px
header_height: 18, # px
headers_height: 36, # 2 * header_height px
default_height: 206 # px
}.freeze
attr_reader :date_from, :date_to
def initialize(date_from, date_to, options = {})
@date_from = date_from
@date_to = date_to
@options = DEFAULT_OPTIONS.merge(options)
@today = User.current.today
@calendar = Redmine::Helpers::Calendar.new(@today)
@calendar.custom_events = PeopleHoliday.between(@date_from, @date_to).to_a
end
DEFAULT_OPTIONS.keys.each do |key|
define_method(key) { @options[key] }
end
def params_previous
raise NotImplementedError
end
def params_next
raise NotImplementedError
end
def content_height
raise NotImplementedError
end
def height
@height ||= content_height + headers_height
end
def width
((@date_to - @date_from + 1) * column_width).to_i
end
def subjects_column_styles
style = 'padding: 0;'
style << "width: #{subject_width}px;"
style
end
def subjects_container_styles
style = 'position: relative;'
style << "height: #{height + 24}px;"
style << "width: #{subject_width + 1}px;"
style
end
def subjects_header_styles
style = 'right: -2px;'
style << 'background: #eee;'
style << "height: #{headers_height}px;"
style << "width: #{subject_width}px;"
style
end
def subjects_column_borders_styles
style = 'right: -2px;'
style << 'border-left: 1px solid #c0c0c0;'
style << 'overflow: hidden;'
style << "height: #{height}px;"
style << "width: #{subject_width}px;"
style
end
def subjects_content_styles
style = 'position: relative;'
style << 'right: -2px;'
style << "top: #{headers_height + 1}px;"
style
end
def gantt_area_styles
style = 'position: relative; overflow-x: auto; overflow-y: hidden;'
style << "height: #{height + 24}px;"
style
end
def lines_header_styles
style = 'background: #eee;'
style << "height: #{headers_height}px;"
style << "width: #{width - 1}px;"
style
end
def lines_container_styles
style = 'position:absolute;'
style << "top: #{headers_height + 1}px;"
style << "width: #{width - 1}px;"
style
end
def render_subjects
raise NotImplementedError
end
def render_lines
raise NotImplementedError
end
def render_week_header(left, height, width, from, to)
style = "left: #{left}px;"
style += "height: #{height}px;"
style += "width: #{width}px;"
content_tag(:div, style: style, class: 'gantt_hdr') do
content_tag(:small) do
dates_range_label(from, to) if width >= column_width * 3 - 1
end
end
end
def render_weeks_headers
output = ''.html_safe
left = 0
height = header_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) * column_width - 1
from = @date_from
to = from.next_day(7 - from.cwday)
output << render_week_header(left, height, width, from, to)
left = left + width + 1
end
while week_f <= @date_to
width = ((week_f + 6 <= @date_to) ?
7 * column_width - 1 :
(@date_to - week_f + 1) * column_width - 1).to_i
last_day_of_week = week_f.next_day(6)
last_day = last_day_of_week > @date_to ? @date_to : last_day_of_week
output << render_week_header(left, height, width, week_f, last_day)
left = left + width + 1
week_f = week_f + 7
end
output
end
def render_day_numbers_headers
left = 0
top = header_height + 1
height = content_height + header_height - 1
wday = @date_from.cwday
day_num = @date_from
output = ''.html_safe
(@date_to - @date_from + 1).to_i.times do
width = column_width - 1
style = "left:#{left}px;"
style << "top:#{top}px;"
style << "width:#{width}px;"
style << "height:#{height}px;"
style << 'font-size:0.8em;'
if @calendar.holiday?(day_num) && !@calendar.weekend?(day_num)
style << 'background-color: rgb(255, 232, 232); color: rgb(154, 93, 93);'
end
css_class = 'gantt_hdr'
css_class << ' nwday' if non_working_week_days.include?(wday)
output << content_tag(:div, style: style, class: css_class) { day_num.day.to_s }
left = left + width + 1
day_num += 1
wday += 1
wday = 1 if wday > 7
end
output
end
def render_today_line
if @today.between?(@date_from, @date_to)
today_left = (((@today - @date_from + 1) * column_width).floor - 1).to_i
style = 'position: absolute;'
style += "height: #{content_height}px;"
style += "top: #{headers_height + 1}px;"
style += "left: #{today_left}px;"
style += "width:10px;"
style += "border-left: 1px dashed red;"
content_tag(:div, ' '.html_safe, style: style, id: 'today_line')
end
end
end
end
end