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	Contributed by Jun NAITOH. git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10890 e93f8b46-1217-0410-a6f0-8f06a7374b81
		
			
				
	
	
		
			884 lines
		
	
	
		
			34 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			884 lines
		
	
	
		
			34 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # Redmine - project management software
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| # Copyright (C) 2006-2012  Jean-Philippe Lang
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| #
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| # This program is free software; you can redistribute it and/or
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| # modify it under the terms of the GNU General Public License
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| # as published by the Free Software Foundation; either version 2
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| # of the License, or (at your option) any later version.
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| #
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| # This program is distributed in the hope that it will be useful,
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| # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| # GNU General Public License for more details.
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| #
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| # You should have received a copy of the GNU General Public License
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| # along with this program; if not, write to the Free Software
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| # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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| 
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| module Redmine
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|   module Helpers
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|     # Simple class to handle gantt chart data
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|     class Gantt
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|       include ERB::Util
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|       include Redmine::I18n
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|       include Redmine::Utils::DateCalculation
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| 
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|       # :nodoc:
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|       # Some utility methods for the PDF export
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|       class PDF
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|         MaxCharactorsForSubject = 45
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|         TotalWidth = 280
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|         LeftPaneWidth = 100
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| 
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|         def self.right_pane_width
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|           TotalWidth - LeftPaneWidth
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|         end
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|       end
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| 
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|       attr_reader :year_from, :month_from, :date_from, :date_to, :zoom, :months, :truncated, :max_rows
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|       attr_accessor :query
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|       attr_accessor :project
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|       attr_accessor :view
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| 
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|       def initialize(options={})
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|         options = options.dup
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|         if options[:year] && options[:year].to_i >0
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|           @year_from = options[:year].to_i
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|           if options[:month] && options[:month].to_i >=1 && options[:month].to_i <= 12
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|             @month_from = options[:month].to_i
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|           else
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|             @month_from = 1
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|           end
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|         else
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|           @month_from ||= Date.today.month
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|           @year_from ||= Date.today.year
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|         end
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|         zoom = (options[:zoom] || User.current.pref[:gantt_zoom]).to_i
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|         @zoom = (zoom > 0 && zoom < 5) ? zoom : 2
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|         months = (options[:months] || User.current.pref[:gantt_months]).to_i
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|         @months = (months > 0 && months < 25) ? months : 6
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|         # Save gantt parameters as user preference (zoom and months count)
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|         if (User.current.logged? && (@zoom != User.current.pref[:gantt_zoom] ||
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|               @months != User.current.pref[:gantt_months]))
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|           User.current.pref[:gantt_zoom], User.current.pref[:gantt_months] = @zoom, @months
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|           User.current.preference.save
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|         end
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|         @date_from = Date.civil(@year_from, @month_from, 1)
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|         @date_to = (@date_from >> @months) - 1
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|         @subjects = ''
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|         @lines = ''
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|         @number_of_rows = nil
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|         @issue_ancestors = []
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|         @truncated = false
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|         if options.has_key?(:max_rows)
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|           @max_rows = options[:max_rows]
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|         else
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|           @max_rows = Setting.gantt_items_limit.blank? ? nil : Setting.gantt_items_limit.to_i
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|         end
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|       end
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| 
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|       def common_params
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|         { :controller => 'gantts', :action => 'show', :project_id => @project }
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|       end
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| 
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|       def params
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|         common_params.merge({:zoom => zoom, :year => year_from,
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|                              :month => month_from, :months => months})
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|       end
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| 
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|       def params_previous
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|         common_params.merge({:year => (date_from << months).year,
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|                              :month => (date_from << months).month,
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|                              :zoom => zoom, :months => months})
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|       end
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| 
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|       def params_next
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|         common_params.merge({:year => (date_from >> months).year,
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|                              :month => (date_from >> months).month,
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|                              :zoom => zoom, :months => months})
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|       end
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| 
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|       # Returns the number of rows that will be rendered on the Gantt chart
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|       def number_of_rows
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|         return @number_of_rows if @number_of_rows
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|         rows = projects.inject(0) {|total, p| total += number_of_rows_on_project(p)}
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|         rows > @max_rows ? @max_rows : rows
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|       end
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| 
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|       # Returns the number of rows that will be used to list a project on
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|       # the Gantt chart.  This will recurse for each subproject.
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|       def number_of_rows_on_project(project)
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|         return 0 unless projects.include?(project)
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|         count = 1
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|         count += project_issues(project).size
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|         count += project_versions(project).size
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|         count
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|       end
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| 
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|       # Renders the subjects of the Gantt chart, the left side.
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|       def subjects(options={})
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|         render(options.merge(:only => :subjects)) unless @subjects_rendered
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|         @subjects
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|       end
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| 
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|       # Renders the lines of the Gantt chart, the right side
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|       def lines(options={})
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|         render(options.merge(:only => :lines)) unless @lines_rendered
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|         @lines
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|       end
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| 
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|       # Returns issues that will be rendered
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|       def issues
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|         @issues ||= @query.issues(
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|           :include => [:assigned_to, :tracker, :priority, :category, :fixed_version],
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|           :order => "#{Project.table_name}.lft ASC, #{Issue.table_name}.id ASC",
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|           :limit => @max_rows
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|         )
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|       end
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| 
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|       # Return all the project nodes that will be displayed
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|       def projects
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|         return @projects if @projects
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|         ids = issues.collect(&:project).uniq.collect(&:id)
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|         if ids.any?
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|           # All issues projects and their visible ancestors
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|           @projects = Project.visible.all(
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|             :joins => "LEFT JOIN #{Project.table_name} child ON #{Project.table_name}.lft <= child.lft AND #{Project.table_name}.rgt >= child.rgt",
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|             :conditions => ["child.id IN (?)", ids],
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|             :order => "#{Project.table_name}.lft ASC"
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|           ).uniq
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|         else
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|           @projects = []
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|         end
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|       end
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| 
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|       # Returns the issues that belong to +project+
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|       def project_issues(project)
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|         @issues_by_project ||= issues.group_by(&:project)
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|         @issues_by_project[project] || []
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|       end
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| 
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|       # Returns the distinct versions of the issues that belong to +project+
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|       def project_versions(project)
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|         project_issues(project).collect(&:fixed_version).compact.uniq
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|       end
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| 
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|       # Returns the issues that belong to +project+ and are assigned to +version+
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|       def version_issues(project, version)
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|         project_issues(project).select {|issue| issue.fixed_version == version}
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|       end
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| 
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|       def render(options={})
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|         options = {:top => 0, :top_increment => 20,
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|                    :indent_increment => 20, :render => :subject,
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|                    :format => :html}.merge(options)
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|         indent = options[:indent] || 4
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|         @subjects = '' unless options[:only] == :lines
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|         @lines = '' unless options[:only] == :subjects
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|         @number_of_rows = 0
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|         Project.project_tree(projects) do |project, level|
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|           options[:indent] = indent + level * options[:indent_increment]
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|           render_project(project, options)
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|           break if abort?
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|         end
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|         @subjects_rendered = true unless options[:only] == :lines
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|         @lines_rendered = true unless options[:only] == :subjects
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|         render_end(options)
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|       end
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| 
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|       def render_project(project, options={})
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|         subject_for_project(project, options) unless options[:only] == :lines
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|         line_for_project(project, options) unless options[:only] == :subjects
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|         options[:top] += options[:top_increment]
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|         options[:indent] += options[:indent_increment]
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|         @number_of_rows += 1
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|         return if abort?
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|         issues = project_issues(project).select {|i| i.fixed_version.nil?}
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|         sort_issues!(issues)
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|         if issues
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|           render_issues(issues, options)
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|           return if abort?
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|         end
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|         versions = project_versions(project)
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|         versions.each do |version|
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|           render_version(project, version, options)
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|         end
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|         # Remove indent to hit the next sibling
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|         options[:indent] -= options[:indent_increment]
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|       end
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| 
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|       def render_issues(issues, options={})
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|         @issue_ancestors = []
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|         issues.each do |i|
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|           subject_for_issue(i, options) unless options[:only] == :lines
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|           line_for_issue(i, options) unless options[:only] == :subjects
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|           options[:top] += options[:top_increment]
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|           @number_of_rows += 1
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|           break if abort?
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|         end
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|         options[:indent] -= (options[:indent_increment] * @issue_ancestors.size)
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|       end
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| 
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|       def render_version(project, version, options={})
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|         # Version header
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|         subject_for_version(version, options) unless options[:only] == :lines
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|         line_for_version(version, options) unless options[:only] == :subjects
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|         options[:top] += options[:top_increment]
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|         @number_of_rows += 1
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|         return if abort?
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|         issues = version_issues(project, version)
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|         if issues
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|           sort_issues!(issues)
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|           # Indent issues
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|           options[:indent] += options[:indent_increment]
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|           render_issues(issues, options)
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|           options[:indent] -= options[:indent_increment]
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|         end
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|       end
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| 
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|       def render_end(options={})
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|         case options[:format]
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|         when :pdf
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|           options[:pdf].Line(15, options[:top], PDF::TotalWidth, options[:top])
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|         end
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|       end
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| 
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|       def subject_for_project(project, options)
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|         case options[:format]
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|         when :html
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|           html_class = ""
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|           html_class << 'icon icon-projects '
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|           html_class << (project.overdue? ? 'project-overdue' : '')
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|           s = view.link_to_project(project).html_safe
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|           subject = view.content_tag(:span, s,
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|                                      :class => html_class).html_safe
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|           html_subject(options, subject, :css => "project-name")
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|         when :image
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|           image_subject(options, project.name)
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|         when :pdf
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|           pdf_new_page?(options)
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|           pdf_subject(options, project.name)
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|         end
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|       end
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| 
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|       def line_for_project(project, options)
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|         # Skip versions that don't have a start_date or due date
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|         if project.is_a?(Project) && project.start_date && project.due_date
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|           options[:zoom] ||= 1
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|           options[:g_width] ||= (self.date_to - self.date_from + 1) * options[:zoom]
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|           coords = coordinates(project.start_date, project.due_date, nil, options[:zoom])
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|           label = h(project)
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|           case options[:format]
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|           when :html
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|             html_task(options, coords, :css => "project task", :label => label, :markers => true)
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|           when :image
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|             image_task(options, coords, :label => label, :markers => true, :height => 3)
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|           when :pdf
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|             pdf_task(options, coords, :label => label, :markers => true, :height => 0.8)
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|           end
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|         else
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|           ActiveRecord::Base.logger.debug "Gantt#line_for_project was not given a project with a start_date"
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|           ''
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|         end
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|       end
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| 
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|       def subject_for_version(version, options)
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|         case options[:format]
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|         when :html
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|           html_class = ""
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|           html_class << 'icon icon-package '
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|           html_class << (version.behind_schedule? ? 'version-behind-schedule' : '') << " "
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|           html_class << (version.overdue? ? 'version-overdue' : '')
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|           s = view.link_to_version(version).html_safe
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|           subject = view.content_tag(:span, s,
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|                                      :class => html_class).html_safe
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|           html_subject(options, subject, :css => "version-name")
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|         when :image
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|           image_subject(options, version.to_s_with_project)
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|         when :pdf
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|           pdf_new_page?(options)
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|           pdf_subject(options, version.to_s_with_project)
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|         end
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|       end
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| 
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|       def line_for_version(version, options)
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|         # Skip versions that don't have a start_date
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|         if version.is_a?(Version) && version.start_date && version.due_date
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|           options[:zoom] ||= 1
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|           options[:g_width] ||= (self.date_to - self.date_from + 1) * options[:zoom]
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|           coords = coordinates(version.start_date,
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|                                version.due_date, version.completed_pourcent,
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|                                options[:zoom])
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|           label = "#{h version} #{h version.completed_pourcent.to_i.to_s}%"
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|           label = h("#{version.project} -") + label unless @project && @project == version.project
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|           case options[:format]
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|           when :html
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|             html_task(options, coords, :css => "version task", :label => label, :markers => true)
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|           when :image
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|             image_task(options, coords, :label => label, :markers => true, :height => 3)
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|           when :pdf
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|             pdf_task(options, coords, :label => label, :markers => true, :height => 0.8)
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|           end
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|         else
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|           ActiveRecord::Base.logger.debug "Gantt#line_for_version was not given a version with a start_date"
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|           ''
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|         end
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|       end
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| 
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|       def subject_for_issue(issue, options)
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|         while @issue_ancestors.any? && !issue.is_descendant_of?(@issue_ancestors.last)
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|           @issue_ancestors.pop
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|           options[:indent] -= options[:indent_increment]
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|         end
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|         output = case options[:format]
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|         when :html
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|           css_classes = ''
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|           css_classes << ' issue-overdue' if issue.overdue?
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|           css_classes << ' issue-behind-schedule' if issue.behind_schedule?
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|           css_classes << ' icon icon-issue' unless Setting.gravatar_enabled? && issue.assigned_to
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|           s = "".html_safe
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|           if issue.assigned_to.present?
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|             assigned_string = l(:field_assigned_to) + ": " + issue.assigned_to.name
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|             s << view.avatar(issue.assigned_to,
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|                              :class => 'gravatar icon-gravatar',
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|                              :size => 10,
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|                              :title => assigned_string).to_s.html_safe
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|           end
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|           s << view.link_to_issue(issue).html_safe
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|           subject = view.content_tag(:span, s, :class => css_classes).html_safe
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|           html_subject(options, subject, :css => "issue-subject",
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|                        :title => issue.subject) + "\n"
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|         when :image
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|           image_subject(options, issue.subject)
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|         when :pdf
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|           pdf_new_page?(options)
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|           pdf_subject(options, issue.subject)
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|         end
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|         unless issue.leaf?
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|           @issue_ancestors << issue
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|           options[:indent] += options[:indent_increment]
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|         end
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|         output
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|       end
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| 
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|       def line_for_issue(issue, options)
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|         # Skip issues that don't have a due_before (due_date or version's due_date)
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|         if issue.is_a?(Issue) && issue.due_before
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|           coords = coordinates(issue.start_date, issue.due_before, issue.done_ratio, options[:zoom])
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|           label = "#{issue.status.name} #{issue.done_ratio}%"
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|           case options[:format]
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|           when :html
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|             html_task(options, coords,
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|                       :css => "task " + (issue.leaf? ? 'leaf' : 'parent'),
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|                       :label => label, :issue => issue,
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|                       :markers => !issue.leaf?)
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|           when :image
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|             image_task(options, coords, :label => label)
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|           when :pdf
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|             pdf_task(options, coords, :label => label)
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|         end
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|         else
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|           ActiveRecord::Base.logger.debug "GanttHelper#line_for_issue was not given an issue with a due_before"
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|           ''
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|         end
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|       end
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| 
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|       # Generates a gantt image
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|       # Only defined if RMagick is avalaible
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|       def to_image(format='PNG')
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|         date_to = (@date_from >> @months) - 1
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|         show_weeks = @zoom > 1
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|         show_days = @zoom > 2
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|         subject_width = 400
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|         header_height = 18
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|         # width of one day in pixels
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|         zoom = @zoom * 2
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|         g_width = (@date_to - @date_from + 1) * zoom
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|         g_height = 20 * number_of_rows + 30
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|         headers_height = (show_weeks ? 2 * header_height : header_height)
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|         height = g_height + headers_height
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|         imgl = Magick::ImageList.new
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|         imgl.new_image(subject_width + g_width + 1, height)
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|         gc = Magick::Draw.new
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|         gc.font = Redmine::Configuration['rmagick_font_path'] || ""
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|         # Subjects
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|         gc.stroke('transparent')
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|         subjects(:image => gc, :top => (headers_height + 20), :indent => 4, :format => :image)
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|         # Months headers
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|         month_f = @date_from
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|         left = subject_width
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|         @months.times do
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|           width = ((month_f >> 1) - month_f) * zoom
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|           gc.fill('white')
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|           gc.stroke('grey')
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|           gc.stroke_width(1)
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|           gc.rectangle(left, 0, left + width, height)
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|           gc.fill('black')
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|           gc.stroke('transparent')
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|           gc.stroke_width(1)
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|           gc.text(left.round + 8, 14, "#{month_f.year}-#{month_f.month}")
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|           left = left + width
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|           month_f = month_f >> 1
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|         end
 | |
|         # Weeks headers
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|         if show_weeks
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|           left = subject_width
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|           height = header_height
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|           if @date_from.cwday == 1
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|             # date_from is monday
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|             week_f = date_from
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|           else
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|             # find next monday after date_from
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|             week_f = @date_from + (7 - @date_from.cwday + 1)
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|             width = (7 - @date_from.cwday + 1) * zoom
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|             gc.fill('white')
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|             gc.stroke('grey')
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|             gc.stroke_width(1)
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|             gc.rectangle(left, header_height, left + width, 2 * header_height + g_height - 1)
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|             left = left + width
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|           end
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|           while week_f <= date_to
 | |
|             width = (week_f + 6 <= date_to) ? 7 * zoom : (date_to - week_f + 1) * zoom
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|             gc.fill('white')
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|             gc.stroke('grey')
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|             gc.stroke_width(1)
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|             gc.rectangle(left.round, header_height, left.round + width, 2 * header_height + g_height - 1)
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|             gc.fill('black')
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|             gc.stroke('transparent')
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|             gc.stroke_width(1)
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|             gc.text(left.round + 2, header_height + 14, week_f.cweek.to_s)
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|             left = left + width
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|             week_f = week_f + 7
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|           end
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|         end
 | |
|         # Days details (week-end in grey)
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|         if show_days
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|           left = subject_width
 | |
|           height = g_height + header_height - 1
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|           wday = @date_from.cwday
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|           (date_to - @date_from + 1).to_i.times do
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|             width =  zoom
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|             gc.fill(non_working_week_days.include?(wday) ? '#eee' : 'white')
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|             gc.stroke('#ddd')
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|             gc.stroke_width(1)
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|             gc.rectangle(left, 2 * header_height, left + width, 2 * header_height + g_height - 1)
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|             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_height)
 | |
|         gc.stroke('black')
 | |
|         gc.rectangle(0, 0, subject_width + g_width, g_height + headers_height - 1)
 | |
|         # content
 | |
|         top = headers_height + 20
 | |
|         gc.stroke('transparent')
 | |
|         lines(:image => gc, :top => top, :zoom => zoom,
 | |
|               :subject_width => subject_width, :format => :image)
 | |
|         # 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_height, x, headers_height + g_height - 1)
 | |
|         end
 | |
|         gc.draw(imgl)
 | |
|         imgl.format = format
 | |
|         imgl.to_blob
 | |
|       end if Object.const_defined?(:Magick)
 | |
| 
 | |
|       def to_pdf
 | |
|         pdf = ::Redmine::Export::PDF::ITCPDF.new(current_language)
 | |
|         pdf.SetTitle("#{l(:label_gantt)} #{project}")
 | |
|         pdf.alias_nb_pages
 | |
|         pdf.footer_date = format_date(Date.today)
 | |
|         pdf.AddPage("L")
 | |
|         pdf.SetFontStyle('B', 12)
 | |
|         pdf.SetX(15)
 | |
|         pdf.RDMCell(PDF::LeftPaneWidth, 20, project.to_s)
 | |
|         pdf.Ln
 | |
|         pdf.SetFontStyle('B', 9)
 | |
|         subject_width = PDF::LeftPaneWidth
 | |
|         header_height = 5
 | |
|         headers_height = header_height
 | |
|         show_weeks = false
 | |
|         show_days = false
 | |
|         if self.months < 7
 | |
|           show_weeks = true
 | |
|           headers_height = 2 * header_height
 | |
|           if self.months < 3
 | |
|             show_days = true
 | |
|             headers_height = 3 * header_height
 | |
|           end
 | |
|         end
 | |
|         g_width = PDF.right_pane_width
 | |
|         zoom = (g_width) / (self.date_to - self.date_from + 1)
 | |
|         g_height = 120
 | |
|         t_height = g_height + headers_height
 | |
|         y_start = pdf.GetY
 | |
|         # Months headers
 | |
|         month_f = self.date_from
 | |
|         left = subject_width
 | |
|         height = header_height
 | |
|         self.months.times do
 | |
|           width = ((month_f >> 1) - month_f) * zoom
 | |
|           pdf.SetY(y_start)
 | |
|           pdf.SetX(left)
 | |
|           pdf.RDMCell(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_height
 | |
|           if self.date_from.cwday == 1
 | |
|             # self.date_from is monday
 | |
|             week_f = self.date_from
 | |
|           else
 | |
|             # find next monday after self.date_from
 | |
|             week_f = self.date_from + (7 - self.date_from.cwday + 1)
 | |
|             width = (7 - self.date_from.cwday + 1) * zoom-1
 | |
|             pdf.SetY(y_start + header_height)
 | |
|             pdf.SetX(left)
 | |
|             pdf.RDMCell(width + 1, height, "", "LTR")
 | |
|             left = left + width + 1
 | |
|           end
 | |
|           while week_f <= self.date_to
 | |
|             width = (week_f + 6 <= self.date_to) ? 7 * zoom : (self.date_to - week_f + 1) * zoom
 | |
|             pdf.SetY(y_start + header_height)
 | |
|             pdf.SetX(left)
 | |
|             pdf.RDMCell(width, height, (width >= 5 ? 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_height
 | |
|           wday = self.date_from.cwday
 | |
|           pdf.SetFontStyle('B', 7)
 | |
|           (self.date_to - self.date_from + 1).to_i.times do
 | |
|             width = zoom
 | |
|             pdf.SetY(y_start + 2 * header_height)
 | |
|             pdf.SetX(left)
 | |
|             pdf.RDMCell(width, height, day_name(wday).first, "LTR", 0, "C")
 | |
|             left = left + width
 | |
|             wday = wday + 1
 | |
|             wday = 1 if wday > 7
 | |
|           end
 | |
|         end
 | |
|         pdf.SetY(y_start)
 | |
|         pdf.SetX(15)
 | |
|         pdf.RDMCell(subject_width + g_width - 15, headers_height, "", 1)
 | |
|         # Tasks
 | |
|         top = headers_height + y_start
 | |
|         options = {
 | |
|           :top => top,
 | |
|           :zoom => zoom,
 | |
|           :subject_width => subject_width,
 | |
|           :g_width => g_width,
 | |
|           :indent => 0,
 | |
|           :indent_increment => 5,
 | |
|           :top_increment => 5,
 | |
|           :format => :pdf,
 | |
|           :pdf => pdf
 | |
|         }
 | |
|         render(options)
 | |
|         pdf.Output
 | |
|       end
 | |
| 
 | |
|       private
 | |
| 
 | |
|       def coordinates(start_date, end_date, progress, zoom=nil)
 | |
|         zoom ||= @zoom
 | |
|         coords = {}
 | |
|         if start_date && end_date && start_date < self.date_to && end_date > self.date_from
 | |
|           if start_date > self.date_from
 | |
|             coords[:start] = start_date - self.date_from
 | |
|             coords[:bar_start] = start_date - self.date_from
 | |
|           else
 | |
|             coords[:bar_start] = 0
 | |
|           end
 | |
|           if end_date < self.date_to
 | |
|             coords[:end] = end_date - self.date_from
 | |
|             coords[:bar_end] = end_date - self.date_from + 1
 | |
|           else
 | |
|             coords[:bar_end] = self.date_to - self.date_from + 1
 | |
|           end
 | |
|           if progress
 | |
|             progress_date = start_date + (end_date - start_date + 1) * (progress / 100.0)
 | |
|             if progress_date > self.date_from && progress_date > start_date
 | |
|               if progress_date < self.date_to
 | |
|                 coords[:bar_progress_end] = progress_date - self.date_from
 | |
|               else
 | |
|                 coords[:bar_progress_end] = self.date_to - self.date_from + 1
 | |
|               end
 | |
|             end
 | |
|             if progress_date < Date.today
 | |
|               late_date = [Date.today, end_date].min
 | |
|               if late_date > self.date_from && late_date > start_date
 | |
|                 if late_date < self.date_to
 | |
|                   coords[:bar_late_end] = late_date - self.date_from + 1
 | |
|                 else
 | |
|                   coords[:bar_late_end] = self.date_to - self.date_from + 1
 | |
|                 end
 | |
|               end
 | |
|             end
 | |
|           end
 | |
|         end
 | |
|         # Transforms dates into pixels witdh
 | |
|         coords.keys.each do |key|
 | |
|           coords[key] = (coords[key] * zoom).floor
 | |
|         end
 | |
|         coords
 | |
|       end
 | |
| 
 | |
|       # Sorts a collection of issues by start_date, due_date, id for gantt rendering
 | |
|       def sort_issues!(issues)
 | |
|         issues.sort! { |a, b| gantt_issue_compare(a, b) }
 | |
|       end
 | |
| 
 | |
|       # TODO: top level issues should be sorted by start date
 | |
|       def gantt_issue_compare(x, y)
 | |
|         if x.root_id == y.root_id
 | |
|           x.lft <=> y.lft
 | |
|         else
 | |
|           x.root_id <=> y.root_id
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       def current_limit
 | |
|         if @max_rows
 | |
|           @max_rows - @number_of_rows
 | |
|         else
 | |
|           nil
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       def abort?
 | |
|         if @max_rows && @number_of_rows >= @max_rows
 | |
|           @truncated = true
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       def pdf_new_page?(options)
 | |
|         if options[:top] > 180
 | |
|           options[:pdf].Line(15, options[:top], PDF::TotalWidth, options[:top])
 | |
|           options[:pdf].AddPage("L")
 | |
|           options[:top] = 15
 | |
|           options[:pdf].Line(15, options[:top] - 0.1, PDF::TotalWidth, options[:top] - 0.1)
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       def html_subject(params, subject, options={})
 | |
|         style = "position: absolute;top:#{params[:top]}px;left:#{params[:indent]}px;"
 | |
|         style << "width:#{params[:subject_width] - params[:indent]}px;" if params[:subject_width]
 | |
|         output = view.content_tag('div', subject,
 | |
|                                   :class => options[:css], :style => style,
 | |
|                                   :title => options[:title])
 | |
|         @subjects << output
 | |
|         output
 | |
|       end
 | |
| 
 | |
|       def pdf_subject(params, subject, options={})
 | |
|         params[:pdf].SetY(params[:top])
 | |
|         params[:pdf].SetX(15)
 | |
|         char_limit = PDF::MaxCharactorsForSubject - params[:indent]
 | |
|         params[:pdf].RDMCell(params[:subject_width] - 15, 5,
 | |
|                              (" " * params[:indent]) +
 | |
|                                subject.to_s.sub(/^(.{#{char_limit}}[^\s]*\s).*$/, '\1 (...)'),
 | |
|                               "LR")
 | |
|         params[:pdf].SetY(params[:top])
 | |
|         params[:pdf].SetX(params[:subject_width])
 | |
|         params[:pdf].RDMCell(params[:g_width], 5, "", "LR")
 | |
|       end
 | |
| 
 | |
|       def image_subject(params, subject, options={})
 | |
|         params[:image].fill('black')
 | |
|         params[:image].stroke('transparent')
 | |
|         params[:image].stroke_width(1)
 | |
|         params[:image].text(params[:indent], params[:top] + 2, subject)
 | |
|       end
 | |
| 
 | |
|       def html_task(params, coords, options={})
 | |
|         output = ''
 | |
|         # Renders the task bar, with progress and late
 | |
|         if coords[:bar_start] && coords[:bar_end]
 | |
|           width = coords[:bar_end] - coords[:bar_start] - 2
 | |
|           style = ""
 | |
|           style << "top:#{params[:top]}px;"
 | |
|           style << "left:#{coords[:bar_start]}px;"
 | |
|           style << "width:#{width}px;"
 | |
|           output << view.content_tag(:div, ' '.html_safe,
 | |
|                                      :style => style,
 | |
|                                      :class => "#{options[:css]} task_todo")
 | |
|           if coords[:bar_late_end]
 | |
|             width = coords[:bar_late_end] - coords[:bar_start] - 2
 | |
|             style = ""
 | |
|             style << "top:#{params[:top]}px;"
 | |
|             style << "left:#{coords[:bar_start]}px;"
 | |
|             style << "width:#{width}px;"
 | |
|             output << view.content_tag(:div, ' '.html_safe,
 | |
|                                        :style => style,
 | |
|                                        :class => "#{options[:css]} task_late")
 | |
|           end
 | |
|           if coords[:bar_progress_end]
 | |
|             width = coords[:bar_progress_end] - coords[:bar_start] - 2
 | |
|             style = ""
 | |
|             style << "top:#{params[:top]}px;"
 | |
|             style << "left:#{coords[:bar_start]}px;"
 | |
|             style << "width:#{width}px;"
 | |
|             output << view.content_tag(:div, ' '.html_safe,
 | |
|                                        :style => style,
 | |
|                                        :class => "#{options[:css]} task_done")
 | |
|           end
 | |
|         end
 | |
|         # Renders the markers
 | |
|         if options[:markers]
 | |
|           if coords[:start]
 | |
|             style = ""
 | |
|             style << "top:#{params[:top]}px;"
 | |
|             style << "left:#{coords[:start]}px;"
 | |
|             style << "width:15px;"
 | |
|             output << view.content_tag(:div, ' '.html_safe,
 | |
|                                        :style => style,
 | |
|                                        :class => "#{options[:css]} marker starting")
 | |
|           end
 | |
|           if coords[:end]
 | |
|             style = ""
 | |
|             style << "top:#{params[:top]}px;"
 | |
|             style << "left:#{coords[:end] + params[:zoom]}px;"
 | |
|             style << "width:15px;"
 | |
|             output << view.content_tag(:div, ' '.html_safe,
 | |
|                                        :style => style,
 | |
|                                        :class => "#{options[:css]} marker ending")
 | |
|           end
 | |
|         end
 | |
|         # Renders the label on the right
 | |
|         if options[:label]
 | |
|           style = ""
 | |
|           style << "top:#{params[:top]}px;"
 | |
|           style << "left:#{(coords[:bar_end] || 0) + 8}px;"
 | |
|           style << "width:15px;"
 | |
|           output << view.content_tag(:div, options[:label],
 | |
|                                      :style => style,
 | |
|                                      :class => "#{options[:css]} label")
 | |
|         end
 | |
|         # Renders the tooltip
 | |
|         if options[:issue] && coords[:bar_start] && coords[:bar_end]
 | |
|           s = view.content_tag(:span,
 | |
|                                view.render_issue_tooltip(options[:issue]).html_safe,
 | |
|                                :class => "tip")
 | |
|           style = ""
 | |
|           style << "position: absolute;"
 | |
|           style << "top:#{params[:top]}px;"
 | |
|           style << "left:#{coords[:bar_start]}px;"
 | |
|           style << "width:#{coords[:bar_end] - coords[:bar_start]}px;"
 | |
|           style << "height:12px;"
 | |
|           output << view.content_tag(:div, s.html_safe,
 | |
|                                      :style => style,
 | |
|                                      :class => "tooltip")
 | |
|         end
 | |
|         @lines << output
 | |
|         output
 | |
|       end
 | |
| 
 | |
|       def pdf_task(params, coords, options={})
 | |
|         height = options[:height] || 2
 | |
|         # Renders the task bar, with progress and late
 | |
|         if coords[:bar_start] && coords[:bar_end]
 | |
|           params[:pdf].SetY(params[:top] + 1.5)
 | |
|           params[:pdf].SetX(params[:subject_width] + coords[:bar_start])
 | |
|           params[:pdf].SetFillColor(200, 200, 200)
 | |
|           params[:pdf].RDMCell(coords[:bar_end] - coords[:bar_start], height, "", 0, 0, "", 1)
 | |
|           if coords[:bar_late_end]
 | |
|             params[:pdf].SetY(params[:top] + 1.5)
 | |
|             params[:pdf].SetX(params[:subject_width] + coords[:bar_start])
 | |
|             params[:pdf].SetFillColor(255, 100, 100)
 | |
|             params[:pdf].RDMCell(coords[:bar_late_end] - coords[:bar_start], height, "", 0, 0, "", 1)
 | |
|           end
 | |
|           if coords[:bar_progress_end]
 | |
|             params[:pdf].SetY(params[:top] + 1.5)
 | |
|             params[:pdf].SetX(params[:subject_width] + coords[:bar_start])
 | |
|             params[:pdf].SetFillColor(90, 200, 90)
 | |
|             params[:pdf].RDMCell(coords[:bar_progress_end] - coords[:bar_start], height, "", 0, 0, "", 1)
 | |
|           end
 | |
|         end
 | |
|         # Renders the markers
 | |
|         if options[:markers]
 | |
|           if coords[:start]
 | |
|             params[:pdf].SetY(params[:top] + 1)
 | |
|             params[:pdf].SetX(params[:subject_width] + coords[:start] - 1)
 | |
|             params[:pdf].SetFillColor(50, 50, 200)
 | |
|             params[:pdf].RDMCell(2, 2, "", 0, 0, "", 1)
 | |
|           end
 | |
|           if coords[:end]
 | |
|             params[:pdf].SetY(params[:top] + 1)
 | |
|             params[:pdf].SetX(params[:subject_width] + coords[:end] - 1)
 | |
|             params[:pdf].SetFillColor(50, 50, 200)
 | |
|             params[:pdf].RDMCell(2, 2, "", 0, 0, "", 1)
 | |
|           end
 | |
|         end
 | |
|         # Renders the label on the right
 | |
|         if options[:label]
 | |
|           params[:pdf].SetX(params[:subject_width] + (coords[:bar_end] || 0) + 5)
 | |
|           params[:pdf].RDMCell(30, 2, options[:label])
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       def image_task(params, coords, options={})
 | |
|         height = options[:height] || 6
 | |
|         # Renders the task bar, with progress and late
 | |
|         if coords[:bar_start] && coords[:bar_end]
 | |
|           params[:image].fill('#aaa')
 | |
|           params[:image].rectangle(params[:subject_width] + coords[:bar_start],
 | |
|                                    params[:top],
 | |
|                                    params[:subject_width] + coords[:bar_end],
 | |
|                                    params[:top] - height)
 | |
|           if coords[:bar_late_end]
 | |
|             params[:image].fill('#f66')
 | |
|             params[:image].rectangle(params[:subject_width] + coords[:bar_start],
 | |
|                                      params[:top],
 | |
|                                      params[:subject_width] + coords[:bar_late_end],
 | |
|                                      params[:top] - height)
 | |
|           end
 | |
|           if coords[:bar_progress_end]
 | |
|             params[:image].fill('#00c600')
 | |
|             params[:image].rectangle(params[:subject_width] + coords[:bar_start],
 | |
|                                      params[:top],
 | |
|                                      params[:subject_width] + coords[:bar_progress_end],
 | |
|                                      params[:top] - height)
 | |
|           end
 | |
|         end
 | |
|         # Renders the markers
 | |
|         if options[:markers]
 | |
|           if coords[:start]
 | |
|             x = params[:subject_width] + coords[:start]
 | |
|             y = params[:top] - height / 2
 | |
|             params[:image].fill('blue')
 | |
|             params[:image].polygon(x - 4, y, x, y - 4, x + 4, y, x, y + 4)
 | |
|           end
 | |
|           if coords[:end]
 | |
|             x = params[:subject_width] + coords[:end] + params[:zoom]
 | |
|             y = params[:top] - height / 2
 | |
|             params[:image].fill('blue')
 | |
|             params[:image].polygon(x - 4, y, x, y - 4, x + 4, y, x, y + 4)
 | |
|           end
 | |
|         end
 | |
|         # Renders the label on the right
 | |
|         if options[:label]
 | |
|           params[:image].fill('black')
 | |
|           params[:image].text(params[:subject_width] + (coords[:bar_end] || 0) + 5,
 | |
|                               params[:top] + 1,
 | |
|                               options[:label])
 | |
|         end
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| end
 |