Chris@0: # Redmine - project management software
Chris@0: # Copyright (C) 2006-2008 Jean-Philippe Lang
Chris@0: #
Chris@0: # This program is free software; you can redistribute it and/or
Chris@0: # modify it under the terms of the GNU General Public License
Chris@0: # as published by the Free Software Foundation; either version 2
Chris@0: # of the License, or (at your option) any later version.
Chris@0: #
Chris@0: # This program is distributed in the hope that it will be useful,
Chris@0: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@0: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Chris@0: # GNU General Public License for more details.
Chris@0: #
Chris@0: # You should have received a copy of the GNU General Public License
Chris@0: # along with this program; if not, write to the Free Software
Chris@0: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Chris@0:
Chris@0: module Redmine
Chris@0: module Helpers
Chris@0: # Simple class to handle gantt chart data
Chris@0: class Gantt
chris@22: include ERB::Util
chris@22: include Redmine::I18n
chris@22:
chris@22: # :nodoc:
chris@22: # Some utility methods for the PDF export
chris@22: class PDF
chris@22: MaxCharactorsForSubject = 45
chris@22: TotalWidth = 280
chris@22: LeftPaneWidth = 100
chris@22:
chris@22: def self.right_pane_width
chris@22: TotalWidth - LeftPaneWidth
chris@22: end
chris@22: end
chris@22:
chris@22: attr_reader :year_from, :month_from, :date_from, :date_to, :zoom, :months
chris@22: attr_accessor :query
chris@22: attr_accessor :project
chris@22: attr_accessor :view
chris@22:
Chris@0: def initialize(options={})
Chris@0: options = options.dup
Chris@0:
Chris@0: if options[:year] && options[:year].to_i >0
Chris@0: @year_from = options[:year].to_i
Chris@0: if options[:month] && options[:month].to_i >=1 && options[:month].to_i <= 12
Chris@0: @month_from = options[:month].to_i
Chris@0: else
Chris@0: @month_from = 1
Chris@0: end
Chris@0: else
Chris@0: @month_from ||= Date.today.month
Chris@0: @year_from ||= Date.today.year
Chris@0: end
Chris@0:
Chris@0: zoom = (options[:zoom] || User.current.pref[:gantt_zoom]).to_i
Chris@0: @zoom = (zoom > 0 && zoom < 5) ? zoom : 2
Chris@0: months = (options[:months] || User.current.pref[:gantt_months]).to_i
Chris@0: @months = (months > 0 && months < 25) ? months : 6
Chris@0:
Chris@0: # Save gantt parameters as user preference (zoom and months count)
Chris@0: if (User.current.logged? && (@zoom != User.current.pref[:gantt_zoom] || @months != User.current.pref[:gantt_months]))
Chris@0: User.current.pref[:gantt_zoom], User.current.pref[:gantt_months] = @zoom, @months
Chris@0: User.current.preference.save
Chris@0: end
Chris@0:
Chris@0: @date_from = Date.civil(@year_from, @month_from, 1)
Chris@0: @date_to = (@date_from >> @months) - 1
Chris@0: end
chris@22:
chris@22: def common_params
chris@22: { :controller => 'gantts', :action => 'show', :project_id => @project }
Chris@0: end
Chris@0:
Chris@0: def params
chris@22: common_params.merge({ :zoom => zoom, :year => year_from, :month => month_from, :months => months })
Chris@0: end
Chris@0:
Chris@0: def params_previous
chris@22: common_params.merge({:year => (date_from << months).year, :month => (date_from << months).month, :zoom => zoom, :months => months })
Chris@0: end
Chris@0:
Chris@0: def params_next
chris@22: common_params.merge({:year => (date_from >> months).year, :month => (date_from >> months).month, :zoom => zoom, :months => months })
Chris@0: end
chris@22:
chris@22: ### Extracted from the HTML view/helpers
chris@22: # Returns the number of rows that will be rendered on the Gantt chart
chris@22: def number_of_rows
chris@22: if @project
chris@22: return number_of_rows_on_project(@project)
chris@22: else
chris@22: Project.roots.inject(0) do |total, project|
chris@22: total += number_of_rows_on_project(project)
chris@22: end
chris@22: end
chris@22: end
chris@22:
chris@22: # Returns the number of rows that will be used to list a project on
chris@22: # the Gantt chart. This will recurse for each subproject.
chris@22: def number_of_rows_on_project(project)
chris@22: # Remove the project requirement for Versions because it will
chris@22: # restrict issues to only be on the current project. This
chris@22: # ends up missing issues which are assigned to shared versions.
chris@22: @query.project = nil if @query.project
chris@22:
chris@22: # One Root project
chris@22: count = 1
chris@22: # Issues without a Version
chris@22: count += project.issues.for_gantt.without_version.with_query(@query).count
chris@22:
chris@22: # Versions
chris@22: count += project.versions.count
chris@22:
chris@22: # Issues on the Versions
chris@22: project.versions.each do |version|
chris@22: count += version.fixed_issues.for_gantt.with_query(@query).count
chris@22: end
chris@22:
chris@22: # Subprojects
chris@22: project.children.each do |subproject|
chris@22: count += number_of_rows_on_project(subproject)
chris@22: end
chris@22:
chris@22: count
chris@22: end
chris@22:
chris@22: # Renders the subjects of the Gantt chart, the left side.
chris@22: def subjects(options={})
chris@22: options = {:indent => 4, :render => :subject, :format => :html}.merge(options)
chris@22:
chris@22: output = ''
chris@22: if @project
chris@22: output << render_project(@project, options)
chris@22: else
chris@22: Project.roots.each do |project|
chris@22: output << render_project(project, options)
chris@22: end
chris@22: end
chris@22:
chris@22: output
chris@22: end
chris@22:
chris@22: # Renders the lines of the Gantt chart, the right side
chris@22: def lines(options={})
chris@22: options = {:indent => 4, :render => :line, :format => :html}.merge(options)
chris@22: output = ''
chris@22:
chris@22: if @project
chris@22: output << render_project(@project, options)
chris@22: else
chris@22: Project.roots.each do |project|
chris@22: output << render_project(project, options)
chris@22: end
chris@22: end
chris@22:
chris@22: output
chris@22: end
chris@22:
chris@22: def render_project(project, options={})
chris@22: options[:top] = 0 unless options.key? :top
chris@22: options[:indent_increment] = 20 unless options.key? :indent_increment
chris@22: options[:top_increment] = 20 unless options.key? :top_increment
chris@22:
chris@22: output = ''
chris@22: # Project Header
chris@22: project_header = if options[:render] == :subject
chris@22: subject_for_project(project, options)
chris@22: else
chris@22: # :line
chris@22: line_for_project(project, options)
chris@22: end
chris@22: output << project_header if options[:format] == :html
chris@22:
chris@22: options[:top] += options[:top_increment]
chris@22: options[:indent] += options[:indent_increment]
chris@22:
chris@22: # Second, Issues without a version
chris@22: issues = project.issues.for_gantt.without_version.with_query(@query)
chris@22: if issues
chris@22: issue_rendering = render_issues(issues, options)
chris@22: output << issue_rendering if options[:format] == :html
chris@22: end
chris@22:
chris@22: # Third, Versions
chris@22: project.versions.sort.each do |version|
chris@22: version_rendering = render_version(version, options)
chris@22: output << version_rendering if options[:format] == :html
chris@22: end
chris@22:
chris@22: # Fourth, subprojects
chris@22: project.children.each do |project|
chris@22: subproject_rendering = render_project(project, options)
chris@22: output << subproject_rendering if options[:format] == :html
chris@22: end
chris@22:
chris@22: # Remove indent to hit the next sibling
chris@22: options[:indent] -= options[:indent_increment]
chris@22:
chris@22: output
chris@22: end
chris@22:
chris@22: def render_issues(issues, options={})
chris@22: output = ''
chris@22: issues.each do |i|
chris@22: issue_rendering = if options[:render] == :subject
chris@22: subject_for_issue(i, options)
chris@22: else
chris@22: # :line
chris@22: line_for_issue(i, options)
chris@22: end
chris@22: output << issue_rendering if options[:format] == :html
chris@22: options[:top] += options[:top_increment]
chris@22: end
chris@22: output
chris@22: end
chris@22:
chris@22: def render_version(version, options={})
chris@22: output = ''
chris@22: # Version header
chris@22: version_rendering = if options[:render] == :subject
chris@22: subject_for_version(version, options)
chris@22: else
chris@22: # :line
chris@22: line_for_version(version, options)
chris@22: end
chris@22:
chris@22: output << version_rendering if options[:format] == :html
chris@22:
chris@22: options[:top] += options[:top_increment]
chris@22:
chris@22: # Remove the project requirement for Versions because it will
chris@22: # restrict issues to only be on the current project. This
chris@22: # ends up missing issues which are assigned to shared versions.
chris@22: @query.project = nil if @query.project
chris@22:
chris@22: issues = version.fixed_issues.for_gantt.with_query(@query)
chris@22: if issues
chris@22: # Indent issues
chris@22: options[:indent] += options[:indent_increment]
chris@22: output << render_issues(issues, options)
chris@22: options[:indent] -= options[:indent_increment]
chris@22: end
chris@22:
chris@22: output
chris@22: end
chris@22:
chris@22: def subject_for_project(project, options)
chris@22: case options[:format]
chris@22: when :html
chris@22: output = ''
chris@22:
chris@22: output << " "
chris@22: if project.is_a? Project
chris@22: output << ""
chris@22: output << view.link_to_project(project)
chris@22: output << ''
chris@22: else
chris@22: ActiveRecord::Base.logger.debug "Gantt#subject_for_project was not given a project"
chris@22: ''
chris@22: end
chris@22: output << "
"
chris@22:
chris@22: output
chris@22: when :image
chris@22:
chris@22: options[:image].fill('black')
chris@22: options[:image].stroke('transparent')
chris@22: options[:image].stroke_width(1)
chris@22: options[:image].text(options[:indent], options[:top] + 2, project.name)
chris@22: when :pdf
chris@22: options[:pdf].SetY(options[:top])
chris@22: options[:pdf].SetX(15)
chris@22:
chris@22: char_limit = PDF::MaxCharactorsForSubject - options[:indent]
chris@22: options[:pdf].Cell(options[:subject_width]-15, 5, (" " * options[:indent]) +"#{project.name}".sub(/^(.{#{char_limit}}[^\s]*\s).*$/, '\1 (...)'), "LR")
chris@22:
chris@22: options[:pdf].SetY(options[:top])
chris@22: options[:pdf].SetX(options[:subject_width])
chris@22: options[:pdf].Cell(options[:g_width], 5, "", "LR")
chris@22: end
chris@22: end
chris@22:
chris@22: def line_for_project(project, options)
chris@37: # Skip versions that don't have a start_date or due date
chris@37: if project.is_a?(Project) && project.start_date && project.due_date
chris@22: options[:zoom] ||= 1
chris@22: options[:g_width] ||= (self.date_to - self.date_from + 1) * options[:zoom]
chris@22:
chris@22:
chris@22: case options[:format]
chris@22: when :html
chris@22: output = ''
chris@22: i_left = ((project.start_date - self.date_from)*options[:zoom]).floor
chris@22:
chris@22: start_date = project.start_date
chris@22: start_date ||= self.date_from
chris@22: start_left = ((start_date - self.date_from)*options[:zoom]).floor
chris@22:
chris@22: i_end_date = ((project.due_date <= self.date_to) ? project.due_date : self.date_to )
chris@22: i_done_date = start_date + ((project.due_date - start_date+1)* project.completed_percent(:include_subprojects => true)/100).floor
chris@22: i_done_date = (i_done_date <= self.date_from ? self.date_from : i_done_date )
chris@22: i_done_date = (i_done_date >= self.date_to ? self.date_to : i_done_date )
chris@22:
chris@22: i_late_date = [i_end_date, Date.today].min if start_date < Date.today
chris@22: i_end = ((i_end_date - self.date_from) * options[:zoom]).floor
chris@22:
chris@22: i_width = (i_end - i_left + 1).floor - 2 # total width of the issue (- 2 for left and right borders)
chris@22: d_width = ((i_done_date - start_date)*options[:zoom]).floor - 2 # done width
chris@22: l_width = i_late_date ? ((i_late_date - start_date+1)*options[:zoom]).floor - 2 : 0 # delay width
chris@22:
chris@22: # Bar graphic
chris@22:
chris@22: # Make sure that negative i_left and i_width don't
chris@22: # overflow the subject
chris@22: if i_end > 0 && i_left <= options[:g_width]
chris@22: output << "
"
chris@22: end
chris@22:
chris@22: if l_width > 0 && i_left <= options[:g_width]
chris@22: output << "
"
chris@22: end
chris@22: if d_width > 0 && i_left <= options[:g_width]
chris@22: output<< "
"
chris@22: end
chris@22:
chris@22:
chris@22: # Starting diamond
chris@22: if start_left <= options[:g_width] && start_left > 0
chris@22: output << "
"
chris@22: output << ""
chris@22: output << "
"
chris@22: end
chris@22:
chris@22: # Ending diamond
chris@22: # Don't show items too far ahead
chris@22: if i_end <= options[:g_width] && i_end > 0
chris@22: output << "
"
chris@22: end
chris@22:
chris@22: # DIsplay the Project name and %
chris@22: if i_end <= options[:g_width]
chris@22: # Display the status even if it's floated off to the left
chris@22: status_px = i_end + 12 # 12px for the diamond
chris@22: status_px = 0 if status_px <= 0
chris@22:
chris@22: output << ""
chris@22: output << "#{h project } #{h project.completed_percent(:include_subprojects => true).to_i.to_s}%"
chris@22: output << "
"
chris@22: end
chris@22:
chris@22: output
chris@22: when :image
chris@22: options[:image].stroke('transparent')
chris@22: i_left = options[:subject_width] + ((project.due_date - self.date_from)*options[:zoom]).floor
chris@22:
chris@22: # Make sure negative i_left doesn't overflow the subject
chris@22: if i_left > options[:subject_width]
chris@22: options[:image].fill('blue')
chris@22: options[:image].rectangle(i_left, options[:top], i_left + 6, options[:top] - 6)
chris@22: options[:image].fill('black')
chris@22: options[:image].text(i_left + 11, options[:top] + 1, project.name)
chris@22: end
chris@22: when :pdf
chris@22: options[:pdf].SetY(options[:top]+1.5)
chris@22: i_left = ((project.due_date - @date_from)*options[:zoom])
chris@22:
chris@22: # Make sure negative i_left doesn't overflow the subject
chris@22: if i_left > 0
chris@22: options[:pdf].SetX(options[:subject_width] + i_left)
chris@22: options[:pdf].SetFillColor(50,50,200)
chris@22: options[:pdf].Cell(2, 2, "", 0, 0, "", 1)
chris@22:
chris@22: options[:pdf].SetY(options[:top]+1.5)
chris@22: options[:pdf].SetX(options[:subject_width] + i_left + 3)
chris@22: options[:pdf].Cell(30, 2, "#{project.name}")
chris@22: end
chris@22: end
chris@22: else
chris@22: ActiveRecord::Base.logger.debug "Gantt#line_for_project was not given a project with a start_date"
chris@22: ''
chris@22: end
chris@22: end
chris@22:
chris@22: def subject_for_version(version, options)
chris@22: case options[:format]
chris@22: when :html
chris@22: output = ''
chris@22: output << " "
chris@22: if version.is_a? Version
chris@22: output << ""
chris@22: output << view.link_to_version(version)
chris@22: output << ''
chris@22: else
chris@22: ActiveRecord::Base.logger.debug "Gantt#subject_for_version was not given a version"
chris@22: ''
chris@22: end
chris@22: output << "
"
chris@22:
chris@22: output
chris@22: when :image
chris@22: options[:image].fill('black')
chris@22: options[:image].stroke('transparent')
chris@22: options[:image].stroke_width(1)
chris@22: options[:image].text(options[:indent], options[:top] + 2, version.to_s_with_project)
chris@22: when :pdf
chris@22: options[:pdf].SetY(options[:top])
chris@22: options[:pdf].SetX(15)
chris@22:
chris@22: char_limit = PDF::MaxCharactorsForSubject - options[:indent]
chris@22: options[:pdf].Cell(options[:subject_width]-15, 5, (" " * options[:indent]) +"#{version.to_s_with_project}".sub(/^(.{#{char_limit}}[^\s]*\s).*$/, '\1 (...)'), "LR")
chris@22:
chris@22: options[:pdf].SetY(options[:top])
chris@22: options[:pdf].SetX(options[:subject_width])
chris@22: options[:pdf].Cell(options[:g_width], 5, "", "LR")
chris@22: end
chris@22: end
chris@22:
chris@22: def line_for_version(version, options)
chris@22: # Skip versions that don't have a start_date
chris@37: if version.is_a?(Version) && version.start_date && version.due_date
chris@22: options[:zoom] ||= 1
chris@22: options[:g_width] ||= (self.date_to - self.date_from + 1) * options[:zoom]
chris@22:
chris@22: case options[:format]
chris@22: when :html
chris@22: output = ''
chris@22: i_left = ((version.start_date - self.date_from)*options[:zoom]).floor
chris@22: # TODO: or version.fixed_issues.collect(&:start_date).min
chris@22: start_date = version.fixed_issues.minimum('start_date') if version.fixed_issues.present?
chris@22: start_date ||= self.date_from
chris@22: start_left = ((start_date - self.date_from)*options[:zoom]).floor
chris@22:
chris@22: i_end_date = ((version.due_date <= self.date_to) ? version.due_date : self.date_to )
chris@22: i_done_date = start_date + ((version.due_date - start_date+1)* version.completed_pourcent/100).floor
chris@22: i_done_date = (i_done_date <= self.date_from ? self.date_from : i_done_date )
chris@22: i_done_date = (i_done_date >= self.date_to ? self.date_to : i_done_date )
chris@22:
chris@22: i_late_date = [i_end_date, Date.today].min if start_date < Date.today
chris@22:
chris@22: i_width = (i_left - start_left + 1).floor - 2 # total width of the issue (- 2 for left and right borders)
chris@22: d_width = ((i_done_date - start_date)*options[:zoom]).floor - 2 # done width
chris@22: l_width = i_late_date ? ((i_late_date - start_date+1)*options[:zoom]).floor - 2 : 0 # delay width
chris@22:
chris@22: i_end = ((i_end_date - self.date_from) * options[:zoom]).floor # Ending pixel
chris@22:
chris@22: # Bar graphic
chris@22:
chris@22: # Make sure that negative i_left and i_width don't
chris@22: # overflow the subject
chris@22: if i_width > 0 && i_left <= options[:g_width]
chris@22: output << "
"
chris@22: end
chris@22: if l_width > 0 && i_left <= options[:g_width]
chris@22: output << "
"
chris@22: end
chris@22: if d_width > 0 && i_left <= options[:g_width]
chris@22: output<< "
"
chris@22: end
chris@22:
chris@22:
chris@22: # Starting diamond
chris@22: if start_left <= options[:g_width] && start_left > 0
chris@22: output << "
"
chris@22: output << ""
chris@22: output << "
"
chris@22: end
chris@22:
chris@22: # Ending diamond
chris@22: # Don't show items too far ahead
chris@22: if i_left <= options[:g_width] && i_end > 0
chris@22: output << "
"
chris@22: end
chris@22:
chris@22: # Display the Version name and %
chris@22: if i_end <= options[:g_width]
chris@22: # Display the status even if it's floated off to the left
chris@22: status_px = i_end + 12 # 12px for the diamond
chris@22: status_px = 0 if status_px <= 0
chris@22:
chris@22: output << ""
chris@22: output << h("#{version.project} -") unless @project && @project == version.project
chris@22: output << "#{h version } #{h version.completed_pourcent.to_i.to_s}%"
chris@22: output << "
"
chris@22: end
chris@22:
chris@22: output
chris@22: when :image
chris@22: options[:image].stroke('transparent')
chris@22: i_left = options[:subject_width] + ((version.start_date - @date_from)*options[:zoom]).floor
chris@22:
chris@22: # Make sure negative i_left doesn't overflow the subject
chris@22: if i_left > options[:subject_width]
chris@22: options[:image].fill('green')
chris@22: options[:image].rectangle(i_left, options[:top], i_left + 6, options[:top] - 6)
chris@22: options[:image].fill('black')
chris@22: options[:image].text(i_left + 11, options[:top] + 1, version.name)
chris@22: end
chris@22: when :pdf
chris@22: options[:pdf].SetY(options[:top]+1.5)
chris@22: i_left = ((version.start_date - @date_from)*options[:zoom])
chris@22:
chris@22: # Make sure negative i_left doesn't overflow the subject
chris@22: if i_left > 0
chris@22: options[:pdf].SetX(options[:subject_width] + i_left)
chris@22: options[:pdf].SetFillColor(50,200,50)
chris@22: options[:pdf].Cell(2, 2, "", 0, 0, "", 1)
chris@22:
chris@22: options[:pdf].SetY(options[:top]+1.5)
chris@22: options[:pdf].SetX(options[:subject_width] + i_left + 3)
chris@22: options[:pdf].Cell(30, 2, "#{version.name}")
chris@22: end
chris@22: end
chris@22: else
chris@22: ActiveRecord::Base.logger.debug "Gantt#line_for_version was not given a version with a start_date"
chris@22: ''
chris@22: end
chris@22: end
chris@22:
chris@22: def subject_for_issue(issue, options)
chris@22: case options[:format]
chris@22: when :html
chris@22: output = ''
chris@22: output << ""
chris@22: output
chris@22: when :image
chris@22: options[:image].fill('black')
chris@22: options[:image].stroke('transparent')
chris@22: options[:image].stroke_width(1)
chris@22: options[:image].text(options[:indent], options[:top] + 2, issue.subject)
chris@22: when :pdf
chris@22: options[:pdf].SetY(options[:top])
chris@22: options[:pdf].SetX(15)
chris@22:
chris@22: char_limit = PDF::MaxCharactorsForSubject - options[:indent]
chris@22: options[:pdf].Cell(options[:subject_width]-15, 5, (" " * options[:indent]) +"#{issue.tracker} #{issue.id}: #{issue.subject}".sub(/^(.{#{char_limit}}[^\s]*\s).*$/, '\1 (...)'), "LR")
chris@22:
chris@22: options[:pdf].SetY(options[:top])
chris@22: options[:pdf].SetX(options[:subject_width])
chris@22: options[:pdf].Cell(options[:g_width], 5, "", "LR")
chris@22: end
chris@22: end
chris@22:
chris@22: def line_for_issue(issue, options)
chris@22: # Skip issues that don't have a due_before (due_date or version's due_date)
chris@22: if issue.is_a?(Issue) && issue.due_before
chris@22: case options[:format]
chris@22: when :html
chris@22: output = ''
chris@22: # Handle nil start_dates, rare but can happen.
chris@22: i_start_date = if issue.start_date && issue.start_date >= self.date_from
chris@22: issue.start_date
chris@22: else
chris@22: self.date_from
chris@22: end
chris@22:
chris@22: i_end_date = ((issue.due_before && issue.due_before <= self.date_to) ? issue.due_before : self.date_to )
chris@22: i_done_date = i_start_date + ((issue.due_before - i_start_date+1)*issue.done_ratio/100).floor
chris@22: i_done_date = (i_done_date <= self.date_from ? self.date_from : i_done_date )
chris@22: i_done_date = (i_done_date >= self.date_to ? self.date_to : i_done_date )
chris@22:
chris@22: i_late_date = [i_end_date, Date.today].min if i_start_date < Date.today
chris@22:
chris@22: i_left = ((i_start_date - self.date_from)*options[:zoom]).floor
chris@22: i_width = ((i_end_date - i_start_date + 1)*options[:zoom]).floor - 2 # total width of the issue (- 2 for left and right borders)
chris@22: d_width = ((i_done_date - i_start_date)*options[:zoom]).floor - 2 # done width
chris@22: l_width = i_late_date ? ((i_late_date - i_start_date+1)*options[:zoom]).floor - 2 : 0 # delay width
chris@22: css = "task " + (issue.leaf? ? 'leaf' : 'parent')
chris@22:
chris@22: # Make sure that negative i_left and i_width don't
chris@22: # overflow the subject
chris@22: if i_width > 0
chris@22: output << "
"
chris@22: end
chris@22: if l_width > 0
chris@22: output << "
"
chris@22: end
chris@22: if d_width > 0
chris@22: output<< "
"
chris@22: end
chris@22:
chris@22: # Display the status even if it's floated off to the left
chris@22: status_px = i_left + i_width + 5
chris@22: status_px = 5 if status_px <= 0
chris@22:
chris@22: output << ""
chris@22: output << issue.status.name
chris@22: output << ' '
chris@22: output << (issue.done_ratio).to_i.to_s
chris@22: output << "%"
chris@22: output << "
"
chris@22:
chris@22: output << ""
chris@22: output << ''
chris@22: output << view.render_issue_tooltip(issue)
chris@22: output << "
"
chris@22: output
chris@22:
chris@22: when :image
chris@22: # Handle nil start_dates, rare but can happen.
chris@22: i_start_date = if issue.start_date && issue.start_date >= @date_from
chris@22: issue.start_date
chris@22: else
chris@22: @date_from
chris@22: end
chris@22:
chris@22: i_end_date = (issue.due_before <= date_to ? issue.due_before : date_to )
chris@22: i_done_date = i_start_date + ((issue.due_before - i_start_date+1)*issue.done_ratio/100).floor
chris@22: i_done_date = (i_done_date <= @date_from ? @date_from : i_done_date )
chris@22: i_done_date = (i_done_date >= date_to ? date_to : i_done_date )
chris@22: i_late_date = [i_end_date, Date.today].min if i_start_date < Date.today
chris@22:
chris@22: i_left = options[:subject_width] + ((i_start_date - @date_from)*options[:zoom]).floor
chris@22: i_width = ((i_end_date - i_start_date + 1)*options[:zoom]).floor # total width of the issue
chris@22: d_width = ((i_done_date - i_start_date)*options[:zoom]).floor # done width
chris@22: l_width = i_late_date ? ((i_late_date - i_start_date+1)*options[:zoom]).floor : 0 # delay width
chris@22:
chris@22:
chris@22: # Make sure that negative i_left and i_width don't
chris@22: # overflow the subject
chris@22: if i_width > 0
chris@22: options[:image].fill('grey')
chris@22: options[:image].rectangle(i_left, options[:top], i_left + i_width, options[:top] - 6)
chris@22: options[:image].fill('red')
chris@22: options[:image].rectangle(i_left, options[:top], i_left + l_width, options[:top] - 6) if l_width > 0
chris@22: options[:image].fill('blue')
chris@22: options[:image].rectangle(i_left, options[:top], i_left + d_width, options[:top] - 6) if d_width > 0
chris@22: end
chris@22:
chris@22: # Show the status and % done next to the subject if it overflows
chris@22: options[:image].fill('black')
chris@22: if i_width > 0
chris@22: options[:image].text(i_left + i_width + 5,options[:top] + 1, "#{issue.status.name} #{issue.done_ratio}%")
chris@22: else
chris@22: options[:image].text(options[:subject_width] + 5,options[:top] + 1, "#{issue.status.name} #{issue.done_ratio}%")
chris@22: end
chris@22:
chris@22: when :pdf
chris@22: options[:pdf].SetY(options[:top]+1.5)
chris@22: # Handle nil start_dates, rare but can happen.
chris@22: i_start_date = if issue.start_date && issue.start_date >= @date_from
chris@22: issue.start_date
chris@22: else
chris@22: @date_from
chris@22: end
chris@22:
chris@22: i_end_date = (issue.due_before <= @date_to ? issue.due_before : @date_to )
chris@22:
chris@22: i_done_date = i_start_date + ((issue.due_before - i_start_date+1)*issue.done_ratio/100).floor
chris@22: i_done_date = (i_done_date <= @date_from ? @date_from : i_done_date )
chris@22: i_done_date = (i_done_date >= @date_to ? @date_to : i_done_date )
chris@22:
chris@22: i_late_date = [i_end_date, Date.today].min if i_start_date < Date.today
chris@22:
chris@22: i_left = ((i_start_date - @date_from)*options[:zoom])
chris@22: i_width = ((i_end_date - i_start_date + 1)*options[:zoom])
chris@22: d_width = ((i_done_date - i_start_date)*options[:zoom])
chris@22: l_width = ((i_late_date - i_start_date+1)*options[:zoom]) if i_late_date
chris@22: l_width ||= 0
chris@22:
chris@22: # Make sure that negative i_left and i_width don't
chris@22: # overflow the subject
chris@22: if i_width > 0
chris@22: options[:pdf].SetX(options[:subject_width] + i_left)
chris@22: options[:pdf].SetFillColor(200,200,200)
chris@22: options[:pdf].Cell(i_width, 2, "", 0, 0, "", 1)
chris@22: end
chris@22:
chris@22: if l_width > 0
chris@22: options[:pdf].SetY(options[:top]+1.5)
chris@22: options[:pdf].SetX(options[:subject_width] + i_left)
chris@22: options[:pdf].SetFillColor(255,100,100)
chris@22: options[:pdf].Cell(l_width, 2, "", 0, 0, "", 1)
chris@22: end
chris@22: if d_width > 0
chris@22: options[:pdf].SetY(options[:top]+1.5)
chris@22: options[:pdf].SetX(options[:subject_width] + i_left)
chris@22: options[:pdf].SetFillColor(100,100,255)
chris@22: options[:pdf].Cell(d_width, 2, "", 0, 0, "", 1)
chris@22: end
chris@22:
chris@22: options[:pdf].SetY(options[:top]+1.5)
chris@22:
chris@22: # Make sure that negative i_left and i_width don't
chris@22: # overflow the subject
chris@22: if (i_left + i_width) >= 0
chris@22: options[:pdf].SetX(options[:subject_width] + i_left + i_width)
chris@22: else
chris@22: options[:pdf].SetX(options[:subject_width])
chris@22: end
chris@22: options[:pdf].Cell(30, 2, "#{issue.status} #{issue.done_ratio}%")
chris@22: end
chris@22: else
chris@22: ActiveRecord::Base.logger.debug "GanttHelper#line_for_issue was not given an issue with a due_before"
chris@22: ''
chris@22: end
chris@22: end
chris@22:
Chris@0: # Generates a gantt image
Chris@0: # Only defined if RMagick is avalaible
chris@22: def to_image(format='PNG')
Chris@0: date_to = (@date_from >> @months)-1
Chris@0: show_weeks = @zoom > 1
Chris@0: show_days = @zoom > 2
Chris@0:
Chris@1: subject_width = 400
Chris@0: header_heigth = 18
Chris@0: # width of one day in pixels
Chris@0: zoom = @zoom*2
Chris@0: g_width = (@date_to - @date_from + 1)*zoom
chris@22: g_height = 20 * number_of_rows + 30
Chris@0: headers_heigth = (show_weeks ? 2*header_heigth : header_heigth)
Chris@0: height = g_height + headers_heigth
Chris@0:
Chris@0: imgl = Magick::ImageList.new
Chris@0: imgl.new_image(subject_width+g_width+1, height)
Chris@0: gc = Magick::Draw.new
Chris@0:
Chris@0: # Subjects
chris@22: subjects(:image => gc, :top => (headers_heigth + 20), :indent => 4, :format => :image)
Chris@0:
Chris@0: # Months headers
Chris@0: month_f = @date_from
Chris@0: left = subject_width
Chris@0: @months.times do
Chris@0: width = ((month_f >> 1) - month_f) * zoom
Chris@0: gc.fill('white')
Chris@0: gc.stroke('grey')
Chris@0: gc.stroke_width(1)
Chris@0: gc.rectangle(left, 0, left + width, height)
Chris@0: gc.fill('black')
Chris@0: gc.stroke('transparent')
Chris@0: gc.stroke_width(1)
Chris@0: gc.text(left.round + 8, 14, "#{month_f.year}-#{month_f.month}")
Chris@0: left = left + width
Chris@0: month_f = month_f >> 1
Chris@0: end
Chris@0:
Chris@0: # Weeks headers
Chris@0: if show_weeks
Chris@0: left = subject_width
Chris@0: height = header_heigth
Chris@0: if @date_from.cwday == 1
Chris@0: # date_from is monday
Chris@0: week_f = date_from
Chris@0: else
Chris@0: # find next monday after date_from
Chris@0: week_f = @date_from + (7 - @date_from.cwday + 1)
Chris@0: width = (7 - @date_from.cwday + 1) * zoom
Chris@0: gc.fill('white')
Chris@0: gc.stroke('grey')
Chris@0: gc.stroke_width(1)
Chris@0: gc.rectangle(left, header_heigth, left + width, 2*header_heigth + g_height-1)
Chris@0: left = left + width
Chris@0: end
Chris@0: while week_f <= date_to
Chris@0: width = (week_f + 6 <= date_to) ? 7 * zoom : (date_to - week_f + 1) * zoom
Chris@0: gc.fill('white')
Chris@0: gc.stroke('grey')
Chris@0: gc.stroke_width(1)
Chris@0: gc.rectangle(left.round, header_heigth, left.round + width, 2*header_heigth + g_height-1)
Chris@0: gc.fill('black')
Chris@0: gc.stroke('transparent')
Chris@0: gc.stroke_width(1)
Chris@0: gc.text(left.round + 2, header_heigth + 14, week_f.cweek.to_s)
Chris@0: left = left + width
Chris@0: week_f = week_f+7
Chris@0: end
Chris@0: end
Chris@0:
Chris@0: # Days details (week-end in grey)
Chris@0: if show_days
Chris@0: left = subject_width
Chris@0: height = g_height + header_heigth - 1
Chris@0: wday = @date_from.cwday
Chris@0: (date_to - @date_from + 1).to_i.times do
Chris@0: width = zoom
Chris@0: gc.fill(wday == 6 || wday == 7 ? '#eee' : 'white')
Chris@0: gc.stroke('grey')
Chris@0: gc.stroke_width(1)
Chris@0: gc.rectangle(left, 2*header_heigth, left + width, 2*header_heigth + g_height-1)
Chris@0: left = left + width
Chris@0: wday = wday + 1
Chris@0: wday = 1 if wday > 7
Chris@0: end
Chris@0: end
Chris@0:
Chris@0: # border
Chris@0: gc.fill('transparent')
Chris@0: gc.stroke('grey')
Chris@0: gc.stroke_width(1)
Chris@0: gc.rectangle(0, 0, subject_width+g_width, headers_heigth)
Chris@0: gc.stroke('black')
Chris@0: gc.rectangle(0, 0, subject_width+g_width, g_height+ headers_heigth-1)
Chris@0:
Chris@0: # content
Chris@0: top = headers_heigth + 20
chris@22:
chris@22: lines(:image => gc, :top => top, :zoom => zoom, :subject_width => subject_width, :format => :image)
Chris@0:
Chris@0: # today red line
Chris@0: if Date.today >= @date_from and Date.today <= date_to
Chris@0: gc.stroke('red')
Chris@0: x = (Date.today-@date_from+1)*zoom + subject_width
Chris@0: gc.line(x, headers_heigth, x, headers_heigth + g_height-1)
Chris@0: end
Chris@0:
Chris@0: gc.draw(imgl)
Chris@0: imgl.format = format
Chris@0: imgl.to_blob
Chris@0: end if Object.const_defined?(:Magick)
chris@22:
chris@22: def to_pdf
chris@22: pdf = ::Redmine::Export::PDF::IFPDF.new(current_language)
chris@22: pdf.SetTitle("#{l(:label_gantt)} #{project}")
chris@22: pdf.AliasNbPages
chris@22: pdf.footer_date = format_date(Date.today)
chris@22: pdf.AddPage("L")
chris@22: pdf.SetFontStyle('B',12)
chris@22: pdf.SetX(15)
chris@22: pdf.Cell(PDF::LeftPaneWidth, 20, project.to_s)
chris@22: pdf.Ln
chris@22: pdf.SetFontStyle('B',9)
chris@22:
chris@22: subject_width = PDF::LeftPaneWidth
chris@22: header_heigth = 5
chris@22:
chris@22: headers_heigth = header_heigth
chris@22: show_weeks = false
chris@22: show_days = false
chris@22:
chris@22: if self.months < 7
chris@22: show_weeks = true
chris@22: headers_heigth = 2*header_heigth
chris@22: if self.months < 3
chris@22: show_days = true
chris@22: headers_heigth = 3*header_heigth
chris@22: end
chris@22: end
chris@22:
chris@22: g_width = PDF.right_pane_width
chris@22: zoom = (g_width) / (self.date_to - self.date_from + 1)
chris@22: g_height = 120
chris@22: t_height = g_height + headers_heigth
chris@22:
chris@22: y_start = pdf.GetY
chris@22:
chris@22: # Months headers
chris@22: month_f = self.date_from
chris@22: left = subject_width
chris@22: height = header_heigth
chris@22: self.months.times do
chris@22: width = ((month_f >> 1) - month_f) * zoom
chris@22: pdf.SetY(y_start)
chris@22: pdf.SetX(left)
chris@22: pdf.Cell(width, height, "#{month_f.year}-#{month_f.month}", "LTR", 0, "C")
chris@22: left = left + width
chris@22: month_f = month_f >> 1
chris@22: end
chris@22:
chris@22: # Weeks headers
chris@22: if show_weeks
chris@22: left = subject_width
chris@22: height = header_heigth
chris@22: if self.date_from.cwday == 1
chris@22: # self.date_from is monday
chris@22: week_f = self.date_from
chris@22: else
chris@22: # find next monday after self.date_from
chris@22: week_f = self.date_from + (7 - self.date_from.cwday + 1)
chris@22: width = (7 - self.date_from.cwday + 1) * zoom-1
chris@22: pdf.SetY(y_start + header_heigth)
chris@22: pdf.SetX(left)
chris@22: pdf.Cell(width + 1, height, "", "LTR")
chris@22: left = left + width+1
chris@22: end
chris@22: while week_f <= self.date_to
chris@22: width = (week_f + 6 <= self.date_to) ? 7 * zoom : (self.date_to - week_f + 1) * zoom
chris@22: pdf.SetY(y_start + header_heigth)
chris@22: pdf.SetX(left)
chris@22: pdf.Cell(width, height, (width >= 5 ? week_f.cweek.to_s : ""), "LTR", 0, "C")
chris@22: left = left + width
chris@22: week_f = week_f+7
chris@22: end
chris@22: end
chris@22:
chris@22: # Days headers
chris@22: if show_days
chris@22: left = subject_width
chris@22: height = header_heigth
chris@22: wday = self.date_from.cwday
chris@22: pdf.SetFontStyle('B',7)
chris@22: (self.date_to - self.date_from + 1).to_i.times do
chris@22: width = zoom
chris@22: pdf.SetY(y_start + 2 * header_heigth)
chris@22: pdf.SetX(left)
chris@22: pdf.Cell(width, height, day_name(wday).first, "LTR", 0, "C")
chris@22: left = left + width
chris@22: wday = wday + 1
chris@22: wday = 1 if wday > 7
chris@22: end
chris@22: end
chris@22:
chris@22: pdf.SetY(y_start)
chris@22: pdf.SetX(15)
chris@22: pdf.Cell(subject_width+g_width-15, headers_heigth, "", 1)
chris@22:
chris@22: # Tasks
chris@22: top = headers_heigth + y_start
chris@22: pdf_subjects_and_lines(pdf, {
chris@22: :top => top,
chris@22: :zoom => zoom,
chris@22: :subject_width => subject_width,
chris@22: :g_width => g_width
chris@22: })
chris@22:
chris@22:
chris@22: pdf.Line(15, top, subject_width+g_width, top)
chris@22: pdf.Output
chris@22:
chris@22:
chris@22: end
Chris@0:
Chris@0: private
chris@22:
chris@22: # Renders both the subjects and lines of the Gantt chart for the
chris@22: # PDF format
chris@22: def pdf_subjects_and_lines(pdf, options = {})
chris@22: subject_options = {:indent => 0, :indent_increment => 5, :top_increment => 3, :render => :subject, :format => :pdf, :pdf => pdf}.merge(options)
chris@22: line_options = {:indent => 0, :indent_increment => 5, :top_increment => 3, :render => :line, :format => :pdf, :pdf => pdf}.merge(options)
chris@22:
chris@22: if @project
chris@22: render_project(@project, subject_options)
chris@22: render_project(@project, line_options)
Chris@0: else
chris@22: Project.roots.each do |project|
chris@22: render_project(project, subject_options)
chris@22: render_project(project, line_options)
Chris@0: end
Chris@0: end
Chris@0: end
chris@22:
Chris@0: end
Chris@0: end
Chris@0: end