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			975 lines
		
	
	
		
			40 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			975 lines
		
	
	
		
			40 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # Redmine - project management software
 | |
| # Copyright (C) 2006-2008  Jean-Philippe Lang
 | |
| #
 | |
| # This program is free software; you can redistribute it and/or
 | |
| # modify it under the terms of the GNU General Public License
 | |
| # as published by the Free Software Foundation; either version 2
 | |
| # of the License, or (at your option) any later version.
 | |
| # 
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| # This program is distributed in the hope that it will be useful,
 | |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| # GNU General Public License for more details.
 | |
| # 
 | |
| # You should have received a copy of the GNU General Public License
 | |
| # along with this program; if not, write to the Free Software
 | |
| # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 | |
| 
 | |
| module Redmine
 | |
|   module Helpers
 | |
|     # Simple class to handle gantt chart data
 | |
|     class Gantt
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|       include ERB::Util
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|       include Redmine::I18n
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| 
 | |
|       # :nodoc:
 | |
|       # 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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| 
 | |
|         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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| 
 | |
|       attr_reader :year_from, :month_from, :date_from, :date_to, :zoom, :months
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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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|         
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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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|         
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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] || @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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|         
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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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|       end
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| 
 | |
|       def common_params
 | |
|         { :controller => 'gantts', :action => 'show', :project_id => @project }
 | |
|       end
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|       
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|       def params
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|         common_params.merge({  :zoom => zoom, :year => year_from, :month => month_from, :months => months })
 | |
|       end
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|       
 | |
|       def params_previous
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|         common_params.merge({:year => (date_from << months).year, :month => (date_from << months).month, :zoom => zoom, :months => months })
 | |
|       end
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|       
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|       def params_next
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|         common_params.merge({:year => (date_from >> months).year, :month => (date_from >> months).month, :zoom => zoom, :months => months })
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|       end
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| 
 | |
|             ### Extracted from the HTML view/helpers
 | |
|       # 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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|         if @project
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|           return number_of_rows_on_project(@project)
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|         else
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|           Project.roots.inject(0) do |total, project|
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|             total += number_of_rows_on_project(project)
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|           end
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|         end
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|       end
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| 
 | |
|       # Returns the number of rows that will be used to list a project on
 | |
|       # the Gantt chart.  This will recurse for each subproject.
 | |
|       def number_of_rows_on_project(project)
 | |
|         # Remove the project requirement for Versions because it will
 | |
|         # restrict issues to only be on the current project.  This
 | |
|         # ends up missing issues which are assigned to shared versions.
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|         @query.project = nil if @query.project
 | |
| 
 | |
|         # One Root project
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|         count = 1
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|         # Issues without a Version
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|         count += project.issues.for_gantt.without_version.with_query(@query).count
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| 
 | |
|         # Versions
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|         count += project.versions.count
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| 
 | |
|         # Issues on the Versions
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|         project.versions.each do |version|
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|           count += version.fixed_issues.for_gantt.with_query(@query).count
 | |
|         end
 | |
| 
 | |
|         # Subprojects
 | |
|         project.children.each do |subproject|
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|           count += number_of_rows_on_project(subproject)
 | |
|         end
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| 
 | |
|         count
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|       end
 | |
| 
 | |
|       # Renders the subjects of the Gantt chart, the left side.
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|       def subjects(options={})
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|         options = {:indent => 4, :render => :subject, :format => :html}.merge(options)
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| 
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|         output = ''
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|         if @project
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|           output << render_project(@project, options)
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|         else
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|           Project.roots.each do |project|
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|             output << render_project(project, options)
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|           end
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|         end
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| 
 | |
|         output
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|       end
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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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|         options = {:indent => 4, :render => :line, :format => :html}.merge(options)
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|         output = ''
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| 
 | |
|         if @project
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|           output << render_project(@project, options)
 | |
|         else
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|           Project.roots.each do |project|
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|             output << render_project(project, options)
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|           end
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|         end
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|         
 | |
|         output
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|       end
 | |
| 
 | |
|       def render_project(project, options={})
 | |
|         options[:top] = 0 unless options.key? :top
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|         options[:indent_increment] = 20 unless options.key? :indent_increment
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|         options[:top_increment] = 20 unless options.key? :top_increment
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| 
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|         output = ''
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|         # Project Header
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|         project_header = if options[:render] == :subject
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|                            subject_for_project(project, options)
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|                          else
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|                            # :line
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|                            line_for_project(project, options)
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|                          end
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|         output << project_header if options[:format] == :html
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|         
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|         options[:top] += options[:top_increment]
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|         options[:indent] += options[:indent_increment]
 | |
|         
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|         # Second, Issues without a version
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|         issues = project.issues.for_gantt.without_version.with_query(@query)
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|         if issues
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|           issue_rendering = render_issues(issues, options)
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|           output << issue_rendering if options[:format] == :html
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|         end
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| 
 | |
|         # Third, Versions
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|         project.versions.sort.each do |version|
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|           version_rendering = render_version(version, options)
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|           output << version_rendering if options[:format] == :html
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|         end
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| 
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|         # Fourth, subprojects
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|         project.children.each do |project|
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|           subproject_rendering = render_project(project, options)
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|           output << subproject_rendering if options[:format] == :html
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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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|         
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|         output
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|       end
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| 
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|       def render_issues(issues, options={})
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|         output = ''
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|         issues.each do |i|
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|           issue_rendering = if options[:render] == :subject
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|                               subject_for_issue(i, options)
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|                             else
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|                               # :line
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|                               line_for_issue(i, options)
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|                             end
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|           output << issue_rendering if options[:format] == :html
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|           options[:top] += options[:top_increment]
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|         end
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|         output
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|       end
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| 
 | |
|       def render_version(version, options={})
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|         output = ''
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|         # Version header
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|         version_rendering = if options[:render] == :subject
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|                               subject_for_version(version, options)
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|                             else
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|                               # :line
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|                               line_for_version(version, options)
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|                             end
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| 
 | |
|         output << version_rendering if options[:format] == :html
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|         
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|         options[:top] += options[:top_increment]
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| 
 | |
|         # Remove the project requirement for Versions because it will
 | |
|         # restrict issues to only be on the current project.  This
 | |
|         # ends up missing issues which are assigned to shared versions.
 | |
|         @query.project = nil if @query.project
 | |
|         
 | |
|         issues = version.fixed_issues.for_gantt.with_query(@query)
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|         if issues
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|           # Indent issues
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|           options[:indent] += options[:indent_increment]
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|           output << render_issues(issues, options)
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|           options[:indent] -= options[:indent_increment]
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|         end
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| 
 | |
|         output
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|       end
 | |
| 
 | |
|       def subject_for_project(project, options)
 | |
|         case options[:format]
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|         when :html
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|           output = ''
 | |
| 
 | |
|           output << "<div class='project-name' style='position: absolute;line-height:1.2em;height:16px;top:#{options[:top]}px;left:#{options[:indent]}px;overflow:hidden;'><small>    "
 | |
|           if project.is_a? Project
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|             output << "<span class='icon icon-projects #{project.overdue? ? 'project-overdue' : ''}'>"
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|             output << view.link_to_project(project)
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|             output << '</span>'
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|           else
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|             ActiveRecord::Base.logger.debug "Gantt#subject_for_project was not given a project"
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|             ''
 | |
|           end
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|           output << "</small></div>"
 | |
| 
 | |
|           output
 | |
|         when :image
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|           
 | |
|           options[:image].fill('black')
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|           options[:image].stroke('transparent')
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|           options[:image].stroke_width(1)
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|           options[:image].text(options[:indent], options[:top] + 2, project.name)
 | |
|         when :pdf
 | |
|           options[:pdf].SetY(options[:top])
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|           options[:pdf].SetX(15)
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|           
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|           char_limit = PDF::MaxCharactorsForSubject - options[:indent]
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|           options[:pdf].Cell(options[:subject_width]-15, 5, (" " * options[:indent]) +"#{project.name}".sub(/^(.{#{char_limit}}[^\s]*\s).*$/, '\1 (...)'), "LR")
 | |
|         
 | |
|           options[:pdf].SetY(options[:top])
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|           options[:pdf].SetX(options[:subject_width])
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|           options[:pdf].Cell(options[:g_width], 5, "", "LR")
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|         end
 | |
|       end
 | |
| 
 | |
|       def line_for_project(project, options)
 | |
|         # Skip versions that don't have a start_date or due date
 | |
|         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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| 
 | |
|           
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|           case options[:format]
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|           when :html
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|             output = ''
 | |
|             i_left = ((project.start_date - self.date_from)*options[:zoom]).floor
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| 
 | |
|             start_date = project.start_date
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|             start_date ||= self.date_from
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|             start_left = ((start_date - self.date_from)*options[:zoom]).floor
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| 
 | |
|             i_end_date = ((project.due_date <= self.date_to) ? project.due_date : self.date_to )
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|             i_done_date = start_date + ((project.due_date - start_date+1)* project.completed_percent(:include_subprojects => true)/100).floor
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|             i_done_date = (i_done_date <= self.date_from ? self.date_from : i_done_date )
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|             i_done_date = (i_done_date >= self.date_to ? self.date_to : i_done_date )
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|             
 | |
|             i_late_date = [i_end_date, Date.today].min if start_date < Date.today
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|             i_end = ((i_end_date - self.date_from) * options[:zoom]).floor
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| 
 | |
|             i_width = (i_end - i_left + 1).floor - 2                  # total width of the issue (- 2 for left and right borders)
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|             d_width = ((i_done_date - start_date)*options[:zoom]).floor - 2                     # done width
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|             l_width = i_late_date ? ((i_late_date - start_date+1)*options[:zoom]).floor - 2 : 0 # delay width
 | |
| 
 | |
|             # Bar graphic
 | |
| 
 | |
|             # Make sure that negative i_left and i_width don't
 | |
|             # overflow the subject
 | |
|             if i_end > 0 && i_left <= options[:g_width]
 | |
|               output << "<div style='top:#{ options[:top] }px;left:#{ start_left }px;width:#{ i_width }px;' class='task project_todo'> </div>"
 | |
|             end
 | |
|             
 | |
|             if l_width > 0 && i_left <= options[:g_width]
 | |
|               output << "<div style='top:#{ options[:top] }px;left:#{ start_left }px;width:#{ l_width }px;' class='task project_late'> </div>"
 | |
|             end
 | |
|             if d_width > 0 && i_left <= options[:g_width]
 | |
|               output<< "<div style='top:#{ options[:top] }px;left:#{ start_left }px;width:#{ d_width }px;' class='task project_done'> </div>"
 | |
|             end
 | |
| 
 | |
|             
 | |
|             # Starting diamond
 | |
|             if start_left <= options[:g_width] && start_left > 0
 | |
|               output << "<div style='top:#{ options[:top] }px;left:#{ start_left }px;width:15px;' class='task project-line starting'> </div>"
 | |
|               output << "<div style='top:#{ options[:top] }px;left:#{ start_left + 12 }px;' class='task label'>"
 | |
|               output << "</div>"
 | |
|             end
 | |
| 
 | |
|             # Ending diamond
 | |
|             # Don't show items too far ahead
 | |
|             if i_end <= options[:g_width] && i_end > 0
 | |
|               output << "<div style='top:#{ options[:top] }px;left:#{ i_end }px;width:15px;' class='task project-line ending'> </div>"
 | |
|             end
 | |
| 
 | |
|             # DIsplay the Project name and %
 | |
|             if i_end <= options[:g_width]
 | |
|               # Display the status even if it's floated off to the left
 | |
|               status_px = i_end + 12 # 12px for the diamond
 | |
|               status_px = 0 if status_px <= 0
 | |
| 
 | |
|               output << "<div style='top:#{ options[:top] }px;left:#{ status_px }px;' class='task label project-name'>"
 | |
|               output << "<strong>#{h project } #{h project.completed_percent(:include_subprojects => true).to_i.to_s}%</strong>"
 | |
|               output << "</div>"
 | |
|             end
 | |
| 
 | |
|             output
 | |
|           when :image
 | |
|             options[:image].stroke('transparent')
 | |
|             i_left = options[:subject_width] + ((project.due_date - self.date_from)*options[:zoom]).floor
 | |
| 
 | |
|             # Make sure negative i_left doesn't overflow the subject
 | |
|             if i_left > options[:subject_width]
 | |
|               options[:image].fill('blue')
 | |
|               options[:image].rectangle(i_left, options[:top], i_left + 6, options[:top] - 6)        
 | |
|               options[:image].fill('black')
 | |
|               options[:image].text(i_left + 11, options[:top] + 1, project.name)
 | |
|             end
 | |
|           when :pdf
 | |
|             options[:pdf].SetY(options[:top]+1.5)
 | |
|             i_left = ((project.due_date - @date_from)*options[:zoom])
 | |
| 
 | |
|             # Make sure negative i_left doesn't overflow the subject
 | |
|             if i_left > 0
 | |
|               options[:pdf].SetX(options[:subject_width] + i_left)
 | |
|               options[:pdf].SetFillColor(50,50,200)
 | |
|               options[:pdf].Cell(2, 2, "", 0, 0, "", 1) 
 | |
|         
 | |
|               options[:pdf].SetY(options[:top]+1.5)
 | |
|               options[:pdf].SetX(options[:subject_width] + i_left + 3)
 | |
|               options[:pdf].Cell(30, 2, "#{project.name}")
 | |
|             end
 | |
|           end
 | |
|         else
 | |
|           ActiveRecord::Base.logger.debug "Gantt#line_for_project was not given a project with a start_date"
 | |
|           ''
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       def subject_for_version(version, options)
 | |
|         case options[:format]
 | |
|         when :html
 | |
|           output = ''
 | |
|           output << "<div class='version-name' style='position: absolute;line-height:1.2em;height:16px;top:#{options[:top]}px;left:#{options[:indent]}px;overflow:hidden;'><small>    "
 | |
|           if version.is_a? Version
 | |
|             output << "<span class='icon icon-package #{version.behind_schedule? ? 'version-behind-schedule' : ''} #{version.overdue? ? 'version-overdue' : ''}'>"
 | |
|             output << view.link_to_version(version)
 | |
|             output << '</span>'
 | |
|           else
 | |
|             ActiveRecord::Base.logger.debug "Gantt#subject_for_version was not given a version"
 | |
|             ''
 | |
|           end
 | |
|           output << "</small></div>"
 | |
| 
 | |
|           output
 | |
|         when :image
 | |
|           options[:image].fill('black')
 | |
|           options[:image].stroke('transparent')
 | |
|           options[:image].stroke_width(1)
 | |
|           options[:image].text(options[:indent], options[:top] + 2, version.to_s_with_project)
 | |
|         when :pdf
 | |
|           options[:pdf].SetY(options[:top])
 | |
|           options[:pdf].SetX(15)
 | |
|           
 | |
|           char_limit = PDF::MaxCharactorsForSubject - options[:indent]
 | |
|           options[:pdf].Cell(options[:subject_width]-15, 5, (" " * options[:indent]) +"#{version.to_s_with_project}".sub(/^(.{#{char_limit}}[^\s]*\s).*$/, '\1 (...)'), "LR")
 | |
|         
 | |
|           options[:pdf].SetY(options[:top])
 | |
|           options[:pdf].SetX(options[:subject_width])
 | |
|           options[:pdf].Cell(options[:g_width], 5, "", "LR")
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       def line_for_version(version, options)
 | |
|         # Skip versions that don't have a start_date
 | |
|         if version.is_a?(Version) && version.start_date && version.due_date
 | |
|           options[:zoom] ||= 1
 | |
|           options[:g_width] ||= (self.date_to - self.date_from + 1) * options[:zoom]
 | |
| 
 | |
|           case options[:format]
 | |
|           when :html
 | |
|             output = ''
 | |
|             i_left = ((version.start_date - self.date_from)*options[:zoom]).floor
 | |
|             # TODO: or version.fixed_issues.collect(&:start_date).min
 | |
|             start_date = version.fixed_issues.minimum('start_date') if version.fixed_issues.present?
 | |
|             start_date ||= self.date_from
 | |
|             start_left = ((start_date - self.date_from)*options[:zoom]).floor
 | |
| 
 | |
|             i_end_date = ((version.due_date <= self.date_to) ? version.due_date : self.date_to )
 | |
|             i_done_date = start_date + ((version.due_date - start_date+1)* version.completed_pourcent/100).floor
 | |
|             i_done_date = (i_done_date <= self.date_from ? self.date_from : i_done_date )
 | |
|             i_done_date = (i_done_date >= self.date_to ? self.date_to : i_done_date )
 | |
|             
 | |
|             i_late_date = [i_end_date, Date.today].min if start_date < Date.today
 | |
| 
 | |
|             i_width = (i_left - start_left + 1).floor - 2                  # total width of the issue (- 2 for left and right borders)
 | |
|             d_width = ((i_done_date - start_date)*options[:zoom]).floor - 2                     # done width
 | |
|             l_width = i_late_date ? ((i_late_date - start_date+1)*options[:zoom]).floor - 2 : 0 # delay width
 | |
| 
 | |
|             i_end = ((i_end_date - self.date_from) * options[:zoom]).floor # Ending pixel
 | |
| 
 | |
|             # Bar graphic
 | |
| 
 | |
|             # Make sure that negative i_left and i_width don't
 | |
|             # overflow the subject
 | |
|             if i_width > 0 && i_left <= options[:g_width]
 | |
|               output << "<div style='top:#{ options[:top] }px;left:#{ start_left }px;width:#{ i_width }px;' class='task milestone_todo'> </div>"
 | |
|             end
 | |
|             if l_width > 0 && i_left <= options[:g_width]
 | |
|               output << "<div style='top:#{ options[:top] }px;left:#{ start_left }px;width:#{ l_width }px;' class='task milestone_late'> </div>"
 | |
|             end
 | |
|             if d_width > 0 && i_left <= options[:g_width]
 | |
|               output<< "<div style='top:#{ options[:top] }px;left:#{ start_left }px;width:#{ d_width }px;' class='task milestone_done'> </div>"
 | |
|             end
 | |
| 
 | |
|             
 | |
|             # Starting diamond
 | |
|             if start_left <= options[:g_width] && start_left > 0
 | |
|               output << "<div style='top:#{ options[:top] }px;left:#{ start_left }px;width:15px;' class='task milestone starting'> </div>"
 | |
|               output << "<div style='top:#{ options[:top] }px;left:#{ start_left + 12 }px;background:#fff;' class='task'>"
 | |
|               output << "</div>"
 | |
|             end
 | |
| 
 | |
|             # Ending diamond
 | |
|             # Don't show items too far ahead
 | |
|             if i_left <= options[:g_width] && i_end > 0
 | |
|               output << "<div style='top:#{ options[:top] }px;left:#{ i_end }px;width:15px;' class='task milestone ending'> </div>"
 | |
|             end
 | |
| 
 | |
|             # Display the Version name and %
 | |
|             if i_end <= options[:g_width]
 | |
|               # Display the status even if it's floated off to the left
 | |
|               status_px = i_end + 12 # 12px for the diamond
 | |
|               status_px = 0 if status_px <= 0
 | |
|               
 | |
|               output << "<div style='top:#{ options[:top] }px;left:#{ status_px }px;' class='task label version-name'>"
 | |
|               output << h("#{version.project} -") unless @project && @project == version.project
 | |
|               output << "<strong>#{h version } #{h version.completed_pourcent.to_i.to_s}%</strong>"
 | |
|               output << "</div>"
 | |
|             end
 | |
| 
 | |
|             output
 | |
|           when :image
 | |
|             options[:image].stroke('transparent')
 | |
|             i_left = options[:subject_width] + ((version.start_date - @date_from)*options[:zoom]).floor
 | |
| 
 | |
|             # Make sure negative i_left doesn't overflow the subject
 | |
|             if i_left > options[:subject_width]
 | |
|               options[:image].fill('green')
 | |
|               options[:image].rectangle(i_left, options[:top], i_left + 6, options[:top] - 6)        
 | |
|               options[:image].fill('black')
 | |
|               options[:image].text(i_left + 11, options[:top] + 1, version.name)
 | |
|             end
 | |
|           when :pdf
 | |
|             options[:pdf].SetY(options[:top]+1.5)
 | |
|             i_left = ((version.start_date - @date_from)*options[:zoom]) 
 | |
| 
 | |
|             # Make sure negative i_left doesn't overflow the subject
 | |
|             if i_left > 0
 | |
|               options[:pdf].SetX(options[:subject_width] + i_left)
 | |
|               options[:pdf].SetFillColor(50,200,50)
 | |
|               options[:pdf].Cell(2, 2, "", 0, 0, "", 1) 
 | |
|         
 | |
|               options[:pdf].SetY(options[:top]+1.5)
 | |
|               options[:pdf].SetX(options[:subject_width] + i_left + 3)
 | |
|               options[:pdf].Cell(30, 2, "#{version.name}")
 | |
|             end
 | |
|           end
 | |
|         else
 | |
|           ActiveRecord::Base.logger.debug "Gantt#line_for_version was not given a version with a start_date"
 | |
|           ''
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       def subject_for_issue(issue, options)
 | |
|         case options[:format]
 | |
|         when :html
 | |
|           output = ''
 | |
|           output << "<div class='tooltip'>"
 | |
|           output << "<div class='issue-subject' style='position: absolute;line-height:1.2em;height:16px;top:#{options[:top]}px;left:#{options[:indent]}px;overflow:hidden;'><small>    "
 | |
|           if issue.is_a? Issue
 | |
|             css_classes = []
 | |
|             css_classes << 'issue-overdue' if issue.overdue?
 | |
|             css_classes << 'issue-behind-schedule' if issue.behind_schedule?
 | |
|             css_classes << 'icon icon-issue' unless Setting.gravatar_enabled? && issue.assigned_to
 | |
| 
 | |
|             if issue.assigned_to.present?
 | |
|               assigned_string = l(:field_assigned_to) + ": " + issue.assigned_to.name
 | |
|               output << view.avatar(issue.assigned_to, :class => 'gravatar icon-gravatar', :size => 10, :title => assigned_string)
 | |
|             end
 | |
|             output << "<span class='#{css_classes.join(' ')}'>"
 | |
|             output << view.link_to_issue(issue)
 | |
|             output << '</span>'
 | |
|           else
 | |
|             ActiveRecord::Base.logger.debug "Gantt#subject_for_issue was not given an issue"
 | |
|             ''
 | |
|           end
 | |
|           output << "</small></div>"
 | |
| 
 | |
|           # Tooltip
 | |
|           if issue.is_a? Issue
 | |
|             output << "<span class='tip' style='position: absolute;top:#{ options[:top].to_i + 16 }px;left:#{ options[:indent].to_i + 20 }px;'>"
 | |
|             output << view.render_issue_tooltip(issue)
 | |
|             output << "</span>"
 | |
|           end
 | |
| 
 | |
|           output << "</div>"
 | |
|           output
 | |
|         when :image
 | |
|           options[:image].fill('black')
 | |
|           options[:image].stroke('transparent')
 | |
|           options[:image].stroke_width(1)
 | |
|           options[:image].text(options[:indent], options[:top] + 2, issue.subject)
 | |
|         when :pdf
 | |
|           options[:pdf].SetY(options[:top])
 | |
|           options[:pdf].SetX(15)
 | |
|           
 | |
|           char_limit = PDF::MaxCharactorsForSubject - options[:indent]
 | |
|           options[:pdf].Cell(options[:subject_width]-15, 5, (" " * options[:indent]) +"#{issue.tracker} #{issue.id}: #{issue.subject}".sub(/^(.{#{char_limit}}[^\s]*\s).*$/, '\1 (...)'), "LR")
 | |
|         
 | |
|           options[:pdf].SetY(options[:top])
 | |
|           options[:pdf].SetX(options[:subject_width])
 | |
|           options[:pdf].Cell(options[:g_width], 5, "", "LR")
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       def line_for_issue(issue, options)
 | |
|         # Skip issues that don't have a due_before (due_date or version's due_date)
 | |
|         if issue.is_a?(Issue) && issue.due_before
 | |
|           case options[:format]
 | |
|           when :html
 | |
|             output = ''
 | |
|             # Handle nil start_dates, rare but can happen.
 | |
|             i_start_date =  if issue.start_date && issue.start_date >= self.date_from
 | |
|                               issue.start_date
 | |
|                             else
 | |
|                               self.date_from
 | |
|                             end
 | |
| 
 | |
|             i_end_date = ((issue.due_before && issue.due_before <= self.date_to) ? issue.due_before : self.date_to )
 | |
|             i_done_date = i_start_date + ((issue.due_before - i_start_date+1)*issue.done_ratio/100).floor
 | |
|             i_done_date = (i_done_date <= self.date_from ? self.date_from : i_done_date )
 | |
|             i_done_date = (i_done_date >= self.date_to ? self.date_to : i_done_date )
 | |
|             
 | |
|             i_late_date = [i_end_date, Date.today].min if i_start_date < Date.today
 | |
|             
 | |
|             i_left = ((i_start_date - self.date_from)*options[:zoom]).floor 	
 | |
|             i_width = ((i_end_date - i_start_date + 1)*options[:zoom]).floor - 2                  # total width of the issue (- 2 for left and right borders)
 | |
|             d_width = ((i_done_date - i_start_date)*options[:zoom]).floor - 2                     # done width
 | |
|             l_width = i_late_date ? ((i_late_date - i_start_date+1)*options[:zoom]).floor - 2 : 0 # delay width
 | |
|             css = "task " + (issue.leaf? ? 'leaf' : 'parent')
 | |
|             
 | |
|             # Make sure that negative i_left and i_width don't
 | |
|             # overflow the subject
 | |
|             if i_width > 0
 | |
|               output << "<div style='top:#{ options[:top] }px;left:#{ i_left }px;width:#{ i_width }px;' class='#{css} task_todo'> </div>"
 | |
|             end
 | |
|             if l_width > 0
 | |
|               output << "<div style='top:#{ options[:top] }px;left:#{ i_left }px;width:#{ l_width }px;' class='#{css} task_late'> </div>"
 | |
|             end
 | |
|             if d_width > 0
 | |
|               output<< "<div style='top:#{ options[:top] }px;left:#{ i_left }px;width:#{ d_width }px;' class='#{css} task_done'> </div>"
 | |
|             end
 | |
| 
 | |
|             # Display the status even if it's floated off to the left
 | |
|             status_px = i_left + i_width + 5
 | |
|             status_px = 5 if status_px <= 0
 | |
|             
 | |
|             output << "<div style='top:#{ options[:top] }px;left:#{ status_px }px;' class='#{css} label issue-name'>"
 | |
|             output << issue.status.name
 | |
|             output << ' '
 | |
|             output << (issue.done_ratio).to_i.to_s
 | |
|             output << "%"
 | |
|             output << "</div>"
 | |
| 
 | |
|             output << "<div class='tooltip' style='position: absolute;top:#{ options[:top] }px;left:#{ i_left }px;width:#{ i_width }px;height:12px;'>"
 | |
|             output << '<span class="tip">'
 | |
|             output << view.render_issue_tooltip(issue)
 | |
|             output << "</span></div>"
 | |
|             output
 | |
|           
 | |
|           when :image
 | |
|             # Handle nil start_dates, rare but can happen.
 | |
|             i_start_date =  if issue.start_date && issue.start_date >= @date_from
 | |
|                               issue.start_date
 | |
|                             else
 | |
|                               @date_from
 | |
|                             end
 | |
| 
 | |
|             i_end_date = (issue.due_before <= date_to ? issue.due_before : date_to )        
 | |
|             i_done_date = i_start_date + ((issue.due_before - i_start_date+1)*issue.done_ratio/100).floor
 | |
|             i_done_date = (i_done_date <= @date_from ? @date_from : i_done_date )
 | |
|             i_done_date = (i_done_date >= date_to ? date_to : i_done_date )        
 | |
|             i_late_date = [i_end_date, Date.today].min if i_start_date < Date.today
 | |
|             
 | |
|             i_left = options[:subject_width] + ((i_start_date - @date_from)*options[:zoom]).floor 	
 | |
|             i_width = ((i_end_date - i_start_date + 1)*options[:zoom]).floor                  # total width of the issue
 | |
|             d_width = ((i_done_date - i_start_date)*options[:zoom]).floor                     # done width
 | |
|             l_width = i_late_date ? ((i_late_date - i_start_date+1)*options[:zoom]).floor : 0 # delay width
 | |
| 
 | |
|             
 | |
|             # Make sure that negative i_left and i_width don't
 | |
|             # overflow the subject
 | |
|             if i_width > 0
 | |
|               options[:image].fill('grey')
 | |
|               options[:image].rectangle(i_left, options[:top], i_left + i_width, options[:top] - 6)
 | |
|               options[:image].fill('red')
 | |
|               options[:image].rectangle(i_left, options[:top], i_left + l_width, options[:top] - 6) if l_width > 0
 | |
|               options[:image].fill('blue')
 | |
|               options[:image].rectangle(i_left, options[:top], i_left + d_width, options[:top] - 6) if d_width > 0
 | |
|             end
 | |
| 
 | |
|             # Show the status and % done next to the subject if it overflows
 | |
|             options[:image].fill('black')
 | |
|             if i_width > 0
 | |
|               options[:image].text(i_left + i_width + 5,options[:top] + 1, "#{issue.status.name} #{issue.done_ratio}%")
 | |
|             else
 | |
|               options[:image].text(options[:subject_width] + 5,options[:top] + 1, "#{issue.status.name} #{issue.done_ratio}%")            
 | |
|             end
 | |
| 
 | |
|           when :pdf
 | |
|             options[:pdf].SetY(options[:top]+1.5)
 | |
|             # Handle nil start_dates, rare but can happen.
 | |
|             i_start_date =  if issue.start_date && issue.start_date >= @date_from
 | |
|                           issue.start_date
 | |
|                         else
 | |
|                           @date_from
 | |
|                         end
 | |
| 
 | |
|             i_end_date = (issue.due_before <= @date_to ? issue.due_before : @date_to )
 | |
|             
 | |
|             i_done_date = i_start_date + ((issue.due_before - i_start_date+1)*issue.done_ratio/100).floor
 | |
|             i_done_date = (i_done_date <= @date_from ? @date_from : i_done_date )
 | |
|             i_done_date = (i_done_date >= @date_to ? @date_to : i_done_date )
 | |
|             
 | |
|             i_late_date = [i_end_date, Date.today].min if i_start_date < Date.today
 | |
|             
 | |
|             i_left = ((i_start_date - @date_from)*options[:zoom]) 
 | |
|             i_width = ((i_end_date - i_start_date + 1)*options[:zoom])
 | |
|             d_width = ((i_done_date - i_start_date)*options[:zoom])
 | |
|             l_width = ((i_late_date - i_start_date+1)*options[:zoom]) if i_late_date
 | |
|             l_width ||= 0
 | |
| 
 | |
|             # Make sure that negative i_left and i_width don't
 | |
|             # overflow the subject
 | |
|             if i_width > 0
 | |
|               options[:pdf].SetX(options[:subject_width] + i_left)
 | |
|               options[:pdf].SetFillColor(200,200,200)
 | |
|               options[:pdf].Cell(i_width, 2, "", 0, 0, "", 1)
 | |
|             end
 | |
|           
 | |
|             if l_width > 0
 | |
|               options[:pdf].SetY(options[:top]+1.5)
 | |
|               options[:pdf].SetX(options[:subject_width] + i_left)
 | |
|               options[:pdf].SetFillColor(255,100,100)
 | |
|               options[:pdf].Cell(l_width, 2, "", 0, 0, "", 1)
 | |
|             end 
 | |
|             if d_width > 0
 | |
|               options[:pdf].SetY(options[:top]+1.5)
 | |
|               options[:pdf].SetX(options[:subject_width] + i_left)
 | |
|               options[:pdf].SetFillColor(100,100,255)
 | |
|               options[:pdf].Cell(d_width, 2, "", 0, 0, "", 1)
 | |
|             end
 | |
| 
 | |
|             options[:pdf].SetY(options[:top]+1.5)
 | |
| 
 | |
|             # Make sure that negative i_left and i_width don't
 | |
|             # overflow the subject
 | |
|             if (i_left + i_width) >= 0
 | |
|               options[:pdf].SetX(options[:subject_width] + i_left + i_width)
 | |
|             else
 | |
|               options[:pdf].SetX(options[:subject_width])
 | |
|             end
 | |
|             options[:pdf].Cell(30, 2, "#{issue.status} #{issue.done_ratio}%")
 | |
|           end
 | |
|         else
 | |
|           ActiveRecord::Base.logger.debug "GanttHelper#line_for_issue was not given an issue with a due_before"
 | |
|           ''
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       # Generates a gantt image
 | |
|       # Only defined if RMagick is avalaible
 | |
|       def to_image(format='PNG')
 | |
|         date_to = (@date_from >> @months)-1    
 | |
|         show_weeks = @zoom > 1
 | |
|         show_days = @zoom > 2
 | |
|         
 | |
|         subject_width = 400
 | |
|         header_heigth = 18
 | |
|         # width of one day in pixels
 | |
|         zoom = @zoom*2
 | |
|         g_width = (@date_to - @date_from + 1)*zoom
 | |
|         g_height = 20 * number_of_rows + 30
 | |
|         headers_heigth = (show_weeks ? 2*header_heigth : header_heigth)
 | |
|         height = g_height + headers_heigth
 | |
|             
 | |
|         imgl = Magick::ImageList.new
 | |
|         imgl.new_image(subject_width+g_width+1, height)
 | |
|         gc = Magick::Draw.new
 | |
|         
 | |
|         # Subjects
 | |
|         subjects(:image => gc, :top => (headers_heigth + 20), :indent => 4, :format => :image)
 | |
|     
 | |
|         # Months headers
 | |
|         month_f = @date_from
 | |
|         left = subject_width
 | |
|         @months.times do 
 | |
|           width = ((month_f >> 1) - month_f) * zoom
 | |
|           gc.fill('white')
 | |
|           gc.stroke('grey')
 | |
|           gc.stroke_width(1)
 | |
|           gc.rectangle(left, 0, left + width, height)
 | |
|           gc.fill('black')
 | |
|           gc.stroke('transparent')
 | |
|           gc.stroke_width(1)
 | |
|           gc.text(left.round + 8, 14, "#{month_f.year}-#{month_f.month}")
 | |
|           left = left + width
 | |
|           month_f = month_f >> 1
 | |
|         end
 | |
|         
 | |
|         # Weeks headers
 | |
|         if show_weeks
 | |
|         	left = subject_width
 | |
|         	height = header_heigth
 | |
|         	if @date_from.cwday == 1
 | |
|         	    # date_from is monday
 | |
|                 week_f = date_from
 | |
|         	else
 | |
|         	    # find next monday after date_from
 | |
|         		week_f = @date_from + (7 - @date_from.cwday + 1)
 | |
|         		width = (7 - @date_from.cwday + 1) * zoom
 | |
|                 gc.fill('white')
 | |
|                 gc.stroke('grey')
 | |
|                 gc.stroke_width(1)
 | |
|                 gc.rectangle(left, header_heigth, left + width, 2*header_heigth + g_height-1)
 | |
|         		left = left + width
 | |
|         	end
 | |
|         	while week_f <= date_to
 | |
|         		width = (week_f + 6 <= date_to) ? 7 * zoom : (date_to - week_f + 1) * zoom
 | |
|                 gc.fill('white')
 | |
|                 gc.stroke('grey')
 | |
|                 gc.stroke_width(1)
 | |
|                 gc.rectangle(left.round, header_heigth, left.round + width, 2*header_heigth + g_height-1)
 | |
|                 gc.fill('black')
 | |
|                 gc.stroke('transparent')
 | |
|                 gc.stroke_width(1)
 | |
|                 gc.text(left.round + 2, header_heigth + 14, week_f.cweek.to_s)
 | |
|         		left = left + width
 | |
|         		week_f = week_f+7
 | |
|         	end
 | |
|         end
 | |
|         
 | |
|         # Days details (week-end in grey)
 | |
|         if show_days
 | |
|         	left = subject_width
 | |
|         	height = g_height + header_heigth - 1
 | |
|         	wday = @date_from.cwday
 | |
|         	(date_to - @date_from + 1).to_i.times do 
 | |
|               width =  zoom
 | |
|               gc.fill(wday == 6 || wday == 7 ? '#eee' : 'white')
 | |
|               gc.stroke('grey')
 | |
|               gc.stroke_width(1)
 | |
|               gc.rectangle(left, 2*header_heigth, left + width, 2*header_heigth + g_height-1)
 | |
|               left = left + width
 | |
|               wday = wday + 1
 | |
|               wday = 1 if wday > 7
 | |
|         	end
 | |
|         end
 | |
|     
 | |
|         # border
 | |
|         gc.fill('transparent')
 | |
|         gc.stroke('grey')
 | |
|         gc.stroke_width(1)
 | |
|         gc.rectangle(0, 0, subject_width+g_width, headers_heigth)
 | |
|         gc.stroke('black')
 | |
|         gc.rectangle(0, 0, subject_width+g_width, g_height+ headers_heigth-1)
 | |
|             
 | |
|         # content
 | |
|         top = headers_heigth + 20
 | |
|         
 | |
|         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_heigth, x, headers_heigth + 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::IFPDF.new(current_language)
 | |
|         pdf.SetTitle("#{l(:label_gantt)} #{project}")
 | |
|         pdf.AliasNbPages
 | |
|         pdf.footer_date = format_date(Date.today)
 | |
|         pdf.AddPage("L")
 | |
|         pdf.SetFontStyle('B',12)
 | |
|         pdf.SetX(15)
 | |
|         pdf.Cell(PDF::LeftPaneWidth, 20, project.to_s)
 | |
|         pdf.Ln
 | |
|         pdf.SetFontStyle('B',9)
 | |
|         
 | |
|         subject_width = PDF::LeftPaneWidth
 | |
|         header_heigth = 5
 | |
|         
 | |
|         headers_heigth = header_heigth
 | |
|         show_weeks = false
 | |
|         show_days = false
 | |
|         
 | |
|         if self.months < 7
 | |
|           show_weeks = true
 | |
|           headers_heigth = 2*header_heigth
 | |
|           if self.months < 3
 | |
|             show_days = true
 | |
|             headers_heigth = 3*header_heigth
 | |
|           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_heigth
 | |
|         
 | |
|         y_start = pdf.GetY
 | |
|         
 | |
|         # Months headers
 | |
|         month_f = self.date_from
 | |
|         left = subject_width
 | |
|         height = header_heigth
 | |
|         self.months.times do 
 | |
|           width = ((month_f >> 1) - month_f) * zoom 
 | |
|           pdf.SetY(y_start)
 | |
|           pdf.SetX(left)
 | |
|           pdf.Cell(width, height, "#{month_f.year}-#{month_f.month}", "LTR", 0, "C")
 | |
|           left = left + width
 | |
|           month_f = month_f >> 1
 | |
|         end  
 | |
|         
 | |
|         # Weeks headers
 | |
|         if show_weeks
 | |
|           left = subject_width
 | |
|           height = header_heigth
 | |
|           if 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_heigth)
 | |
|             pdf.SetX(left)
 | |
|             pdf.Cell(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_heigth)
 | |
|             pdf.SetX(left)
 | |
|             pdf.Cell(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_heigth
 | |
|           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_heigth)
 | |
|             pdf.SetX(left)
 | |
|             pdf.Cell(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.Cell(subject_width+g_width-15, headers_heigth, "", 1)
 | |
|         
 | |
|         # Tasks
 | |
|         top = headers_heigth + y_start
 | |
|         pdf_subjects_and_lines(pdf, {
 | |
|                                  :top => top,
 | |
|                                  :zoom => zoom,
 | |
|                                  :subject_width => subject_width,
 | |
|                                  :g_width => g_width
 | |
|                                })
 | |
| 
 | |
|         
 | |
|         pdf.Line(15, top, subject_width+g_width, top)
 | |
|         pdf.Output
 | |
| 
 | |
|         
 | |
|       end
 | |
|       
 | |
|       private
 | |
| 
 | |
|       # Renders both the subjects and lines of the Gantt chart for the
 | |
|       # PDF format
 | |
|       def pdf_subjects_and_lines(pdf, options = {})
 | |
|         subject_options = {:indent => 0, :indent_increment => 5, :top_increment => 3, :render => :subject, :format => :pdf, :pdf => pdf}.merge(options)
 | |
|         line_options = {:indent => 0, :indent_increment => 5, :top_increment => 3, :render => :line, :format => :pdf, :pdf => pdf}.merge(options)
 | |
| 
 | |
|         if @project
 | |
|           render_project(@project, subject_options)
 | |
|           render_project(@project, line_options)
 | |
|         else
 | |
|           Project.roots.each do |project|
 | |
|             render_project(project, subject_options)
 | |
|             render_project(project, line_options)
 | |
|           end
 | |
|         end
 | |
|       end
 | |
| 
 | |
|     end
 | |
|   end
 | |
| end
 |