# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
-#
+#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
-#
+#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
attr_accessor :query
attr_accessor :project
attr_accessor :view
-
+
def initialize(options={})
options = options.dup
-
+
if options[:year] && options[:year].to_i >0
@year_from = options[:year].to_i
if options[:month] && options[:month].to_i >=1 && options[:month].to_i <= 12
@month_from ||= Date.today.month
@year_from ||= Date.today.year
end
-
+
zoom = (options[:zoom] || User.current.pref[:gantt_zoom]).to_i
- @zoom = (zoom > 0 && zoom < 5) ? zoom : 2
+ @zoom = (zoom > 0 && zoom < 5) ? zoom : 2
months = (options[:months] || User.current.pref[:gantt_months]).to_i
@months = (months > 0 && months < 25) ? months : 6
-
+
# Save gantt parameters as user preference (zoom and months count)
if (User.current.logged? && (@zoom != User.current.pref[:gantt_zoom] || @months != User.current.pref[:gantt_months]))
User.current.pref[:gantt_zoom], User.current.pref[:gantt_months] = @zoom, @months
User.current.preference.save
end
-
+
@date_from = Date.civil(@year_from, @month_from, 1)
@date_to = (@date_from >> @months) - 1
-
+
@subjects = ''
@lines = ''
@number_of_rows = nil
-
+
@issue_ancestors = []
-
+
@truncated = false
if options.has_key?(:max_rows)
@max_rows = options[:max_rows]
def common_params
{ :controller => 'gantts', :action => 'show', :project_id => @project }
end
-
+
def params
common_params.merge({ :zoom => zoom, :year => year_from, :month => month_from, :months => months })
end
-
+
def params_previous
common_params.merge({:year => (date_from << months).year, :month => (date_from << months).month, :zoom => zoom, :months => months })
end
-
+
def params_next
common_params.merge({:year => (date_from >> months).year, :month => (date_from >> months).month, :zoom => zoom, :months => months })
end
# Returns the number of rows that will be rendered on the Gantt chart
def number_of_rows
return @number_of_rows if @number_of_rows
-
+
rows = projects.inject(0) {|total, p| total += number_of_rows_on_project(p)}
rows > @max_rows ? @max_rows : rows
end
-
+
# 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)
return 0 unless projects.include?(project)
-
+
count = 1
count += project_issues(project).size
count += project_versions(project).size
count
end
-
+
# Renders the subjects of the Gantt chart, the left side.
def subjects(options={})
render(options.merge(:only => :subjects)) unless @subjects_rendered
render(options.merge(:only => :lines)) unless @lines_rendered
@lines
end
-
+
# Returns issues that will be rendered
def issues
@issues ||= @query.issues(
:include => [:assigned_to, :tracker, :priority, :category, :fixed_version],
- :order => "#{Project.table_name}.lft ASC, #{Issue.table_name}.id ASC",
+ :order => "#{Project.table_name}.lft ASC, #{Issue.table_name}.id ASC",
:limit => @max_rows
)
end
-
+
# Return all the project nodes that will be displayed
def projects
return @projects if @projects
-
+
ids = issues.collect(&:project).uniq.collect(&:id)
if ids.any?
# All issues projects and their visible ancestors
@projects = []
end
end
-
+
# Returns the issues that belong to +project+
def project_issues(project)
@issues_by_project ||= issues.group_by(&:project)
@issues_by_project[project] || []
end
-
+
# Returns the distinct versions of the issues that belong to +project+
def project_versions(project)
project_issues(project).collect(&:fixed_version).compact.uniq
end
-
+
# Returns the issues that belong to +project+ and are assigned to +version+
def version_issues(project, version)
project_issues(project).select {|issue| issue.fixed_version == version}
end
-
+
def render(options={})
options = {:top => 0, :top_increment => 20, :indent_increment => 20, :render => :subject, :format => :html}.merge(options)
indent = options[:indent] || 4
-
+
@subjects = '' unless options[:only] == :lines
@lines = '' unless options[:only] == :subjects
@number_of_rows = 0
-
+
Project.project_tree(projects) do |project, level|
options[:indent] = indent + level * options[:indent_increment]
render_project(project, options)
break if abort?
end
-
+
@subjects_rendered = true unless options[:only] == :lines
@lines_rendered = true unless options[:only] == :subjects
-
+
render_end(options)
end
def render_project(project, options={})
subject_for_project(project, options) unless options[:only] == :lines
line_for_project(project, options) unless options[:only] == :subjects
-
+
options[:top] += options[:top_increment]
options[:indent] += options[:indent_increment]
@number_of_rows += 1
return if abort?
-
+
issues = project_issues(project).select {|i| i.fixed_version.nil?}
sort_issues!(issues)
if issues
render_issues(issues, options)
return if abort?
end
-
+
versions = project_versions(project)
versions.each do |version|
render_version(project, version, options)
def render_issues(issues, options={})
@issue_ancestors = []
-
+
issues.each do |i|
subject_for_issue(i, options) unless options[:only] == :lines
line_for_issue(i, options) unless options[:only] == :subjects
-
+
options[:top] += options[:top_increment]
@number_of_rows += 1
break if abort?
end
-
+
options[:indent] -= (options[:indent_increment] * @issue_ancestors.size)
end
# Version header
subject_for_version(version, options) unless options[:only] == :lines
line_for_version(version, options) unless options[:only] == :subjects
-
+
options[:top] += options[:top_increment]
@number_of_rows += 1
return if abort?
-
+
issues = version_issues(project, version)
if issues
sort_issues!(issues)
options[:indent] -= options[:indent_increment]
end
end
-
+
def render_end(options={})
case options[:format]
- when :pdf
+ when :pdf
options[:pdf].Line(15, options[:top], PDF::TotalWidth, options[:top])
end
end
if project.is_a?(Project) && project.start_date && project.due_date
options[:zoom] ||= 1
options[:g_width] ||= (self.date_to - self.date_from + 1) * options[:zoom]
-
+
coords = coordinates(project.start_date, project.due_date, nil, options[:zoom])
label = h(project)
-
+
case options[:format]
when :html
html_task(options, coords, :css => "project task", :label => label, :markers => true)
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]
-
+
coords = coordinates(version.start_date, version.due_date, version.completed_pourcent, options[:zoom])
label = "#{h version } #{h version.completed_pourcent.to_i.to_s}%"
label = h("#{version.project} -") + label unless @project && @project == version.project
@issue_ancestors.pop
options[:indent] -= options[:indent_increment]
end
-
+
output = case options[:format]
when :html
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
-
+
subject = "<span class='#{css_classes}'>"
if issue.assigned_to.present?
assigned_string = l(:field_assigned_to) + ": " + issue.assigned_to.name
@issue_ancestors << issue
options[:indent] += options[:indent_increment]
end
-
+
output
end
if issue.is_a?(Issue) && issue.due_before
coords = coordinates(issue.start_date, issue.due_before, issue.done_ratio, options[:zoom])
label = "#{ issue.status.name } #{ issue.done_ratio }%"
-
+
case options[:format]
when :html
html_task(options, coords, :css => "task " + (issue.leaf? ? 'leaf' : 'parent'), :label => label, :issue => issue, :markers => !issue.leaf?)
# Generates a gantt image
# Only defined if RMagick is avalaible
def to_image(format='PNG')
- date_to = (@date_from >> @months)-1
+ 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
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
gc.stroke('transparent')
subjects(:image => gc, :top => (headers_heigth + 20), :indent => 4, :format => :image)
-
+
# Months headers
month_f = @date_from
left = subject_width
- @months.times do
+ @months.times do
width = ((month_f >> 1) - month_f) * zoom
gc.fill('white')
gc.stroke('grey')
left = left + width
month_f = month_f >> 1
end
-
+
# Weeks headers
if show_weeks
left = subject_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
+ (date_to - @date_from + 1).to_i.times do
width = zoom
gc.fill(wday == 6 || wday == 7 ? '#eee' : 'white')
gc.stroke('#ddd')
wday = 1 if wday > 7
end
end
-
+
# border
gc.fill('transparent')
gc.stroke('grey')
gc.rectangle(0, 0, subject_width+g_width, headers_heigth)
gc.stroke('black')
gc.rectangle(0, 0, subject_width+g_width, g_height+ headers_heigth-1)
-
+
# content
top = headers_heigth + 20
gc.stroke('transparent')
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.line(x, headers_heigth, x, headers_heigth + g_height-1)
+ end
+
gc.draw(imgl)
imgl.format = format
imgl.to_blob
pdf.RDMCell(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
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
+ 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
-
+ end
+
# Weeks headers
if show_weeks
left = subject_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
+ (self.date_to - self.date_from + 1).to_i.times do
width = zoom
pdf.SetY(y_start + 2 * header_heigth)
pdf.SetX(left)
wday = 1 if wday > 7
end
end
-
+
pdf.SetY(y_start)
pdf.SetX(15)
pdf.RDMCell(subject_width+g_width-15, headers_heigth, "", 1)
-
+
# Tasks
top = headers_heigth + y_start
options = {
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
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
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
end
end
end
-
+
# Transforms dates into pixels witdh
coords.keys.each do |key|
coords[key] = (coords[key] * zoom).floor
def sort_issues!(issues)
issues.sort! { |a, b| gantt_issue_compare(a, b, issues) }
end
-
+
# TODO: top level issues should be sorted by start date
def gantt_issue_compare(x, y, issues)
if x.root_id == y.root_id
x.root_id <=> y.root_id
end
end
-
+
def current_limit
if @max_rows
@max_rows - @number_of_rows
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].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]
output << "<div style='top:#{ params[:top] }px;left:#{ coords[:bar_start] }px;width:#{ coords[:bar_end] - coords[:bar_start] - 2}px;' class='#{options[:css]} task_todo'> </div>"
-
+
if coords[:bar_late_end]
output << "<div style='top:#{ params[:top] }px;left:#{ coords[:bar_start] }px;width:#{ coords[:bar_late_end] - coords[:bar_start] - 2}px;' class='#{options[:css]} task_late'> </div>"
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].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)
+ 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)
+ params[:pdf].RDMCell(2, 2, "", 0, 0, "", 1)
end
end
# Renders the label on the right
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)
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