Chris@1295: # encoding: utf-8
Chris@1295: #
Chris@1295: # Redmine - project management software
Chris@1295: # Copyright (C) 2006-2012  Jean-Philippe Lang
Chris@1295: #
Chris@1295: # This program is free software; you can redistribute it and/or
Chris@1295: # modify it under the terms of the GNU General Public License
Chris@1295: # as published by the Free Software Foundation; either version 2
Chris@1295: # of the License, or (at your option) any later version.
Chris@1295: #
Chris@1295: # This program is distributed in the hope that it will be useful,
Chris@1295: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@1295: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@1295: # GNU General Public License for more details.
Chris@1295: #
Chris@1295: # You should have received a copy of the GNU General Public License
Chris@1295: # along with this program; if not, write to the Free Software
Chris@1295: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
Chris@1295: 
Chris@1295: module RepositoriesHelper
Chris@1295:   def format_revision(revision)
Chris@1295:     if revision.respond_to? :format_identifier
Chris@1295:       revision.format_identifier
Chris@1295:     else
Chris@1295:       revision.to_s
Chris@1295:     end
Chris@1295:   end
Chris@1295: 
Chris@1295:   def truncate_at_line_break(text, length = 255)
Chris@1295:     if text
Chris@1295:       text.gsub(%r{^(.{#{length}}[^\n]*)\n.+$}m, '\\1...')
Chris@1295:     end
Chris@1295:   end
Chris@1295: 
Chris@1295:   def render_properties(properties)
Chris@1295:     unless properties.nil? || properties.empty?
Chris@1295:       content = ''
Chris@1295:       properties.keys.sort.each do |property|
Chris@1295:         content << content_tag('li', "<b>#{h property}</b>: <span>#{h properties[property]}</span>".html_safe)
Chris@1295:       end
Chris@1295:       content_tag('ul', content.html_safe, :class => 'properties')
Chris@1295:     end
Chris@1295:   end
Chris@1295: 
Chris@1295:   def render_changeset_changes
Chris@1295:     changes = @changeset.filechanges.find(:all, :limit => 1000, :order => 'path').collect do |change|
Chris@1295:       case change.action
Chris@1295:       when 'A'
Chris@1295:         # Detects moved/copied files
Chris@1295:         if !change.from_path.blank?
Chris@1295:           change.action =
Chris@1295:              @changeset.filechanges.detect {|c| c.action == 'D' && c.path == change.from_path} ? 'R' : 'C'
Chris@1295:         end
Chris@1295:         change
Chris@1295:       when 'D'
Chris@1295:         @changeset.filechanges.detect {|c| c.from_path == change.path} ? nil : change
Chris@1295:       else
Chris@1295:         change
Chris@1295:       end
Chris@1295:     end.compact
Chris@1295: 
Chris@1295:     tree = { }
Chris@1295:     changes.each do |change|
Chris@1295:       p = tree
Chris@1295:       dirs = change.path.to_s.split('/').select {|d| !d.blank?}
Chris@1295:       path = ''
Chris@1295:       dirs.each do |dir|
Chris@1295:         path += '/' + dir
Chris@1295:         p[:s] ||= {}
Chris@1295:         p = p[:s]
Chris@1295:         p[path] ||= {}
Chris@1295:         p = p[path]
Chris@1295:       end
Chris@1295:       p[:c] = change
Chris@1295:     end
Chris@1295:     render_changes_tree(tree[:s])
Chris@1295:   end
Chris@1295: 
Chris@1295:   def render_changes_tree(tree)
Chris@1295:     return '' if tree.nil?
Chris@1295:     output = ''
Chris@1295:     output << '<ul>'
Chris@1295:     tree.keys.sort.each do |file|
Chris@1295:       style = 'change'
Chris@1295:       text = File.basename(h(file))
Chris@1295:       if s = tree[file][:s]
Chris@1295:         style << ' folder'
Chris@1295:         path_param = to_path_param(@repository.relative_path(file))
Chris@1295:         text = link_to(h(text), :controller => 'repositories',
Chris@1295:                              :action => 'show',
Chris@1295:                              :id => @project,
Chris@1295:                              :repository_id => @repository.identifier_param,
Chris@1295:                              :path => path_param,
Chris@1295:                              :rev => @changeset.identifier)
Chris@1295:         output << "<li class='#{style}'>#{text}"
Chris@1295:         output << render_changes_tree(s)
Chris@1295:         output << "</li>"
Chris@1295:       elsif c = tree[file][:c]
Chris@1295:         style << " change-#{c.action}"
Chris@1295:         path_param = to_path_param(@repository.relative_path(c.path))
Chris@1295:         text = link_to(h(text), :controller => 'repositories',
Chris@1295:                              :action => 'entry',
Chris@1295:                              :id => @project,
Chris@1295:                              :repository_id => @repository.identifier_param,
Chris@1295:                              :path => path_param,
Chris@1295:                              :rev => @changeset.identifier) unless c.action == 'D'
Chris@1295:         text << " - #{h(c.revision)}" unless c.revision.blank?
Chris@1295:         text << ' ('.html_safe + link_to(l(:label_diff), :controller => 'repositories',
Chris@1295:                                        :action => 'diff',
Chris@1295:                                        :id => @project,
Chris@1295:                                        :repository_id => @repository.identifier_param,
Chris@1295:                                        :path => path_param,
Chris@1295:                                        :rev => @changeset.identifier) + ') '.html_safe if c.action == 'M'
Chris@1295:         text << ' '.html_safe + content_tag('span', h(c.from_path), :class => 'copied-from') unless c.from_path.blank?
Chris@1295:         output << "<li class='#{style}'>#{text}</li>"
Chris@1295:       end
Chris@1295:     end
Chris@1295:     output << '</ul>'
Chris@1295:     output.html_safe
Chris@1295:   end
Chris@1295: 
Chris@1295:   def repository_field_tags(form, repository)
Chris@1295:     method = repository.class.name.demodulize.underscore + "_field_tags"
Chris@1295:     if repository.is_a?(Repository) &&
Chris@1295:         respond_to?(method) && method != 'repository_field_tags'
Chris@1295:       send(method, form, repository)
Chris@1295:     end
Chris@1295:   end
Chris@1295: 
Chris@1295:   def scm_select_tag(repository)
Chris@1295:     scm_options = [["--- #{l(:actionview_instancetag_blank_option)} ---", '']]
Chris@1295:     Redmine::Scm::Base.all.each do |scm|
Chris@1295:     if Setting.enabled_scm.include?(scm) ||
Chris@1295:           (repository && repository.class.name.demodulize == scm)
Chris@1295:         scm_options << ["Repository::#{scm}".constantize.scm_name, scm]
Chris@1295:       end
Chris@1295:     end
Chris@1295:     select_tag('repository_scm',
Chris@1295:                options_for_select(scm_options, repository.class.name.demodulize),
Chris@1295:                :disabled => (repository && !repository.new_record?),
Chris@1295:                :data => {:remote => true, :method => 'get'})
Chris@1295:   end
Chris@1295: 
Chris@1295:   def with_leading_slash(path)
Chris@1295:     path.to_s.starts_with?('/') ? path : "/#{path}"
Chris@1295:   end
Chris@1295: 
Chris@1295:   def without_leading_slash(path)
Chris@1295:     path.gsub(%r{^/+}, '')
Chris@1295:   end
Chris@1295: 
Chris@1295:   def subversion_field_tags(form, repository)
Chris@1295:       content_tag('p', form.text_field(:url, :size => 60, :required => true,
Chris@1295:                        :disabled => !repository.safe_attribute?('url')) +
Chris@1295:                        '<br />'.html_safe +
Chris@1295:                        '(file:///, http://, https://, svn://, svn+[tunnelscheme]://)') +
Chris@1295:       content_tag('p', form.text_field(:login, :size => 30)) +
Chris@1295:       content_tag('p', form.password_field(
Chris@1295:                             :password, :size => 30, :name => 'ignore',
Chris@1295:                             :value => ((repository.new_record? || repository.password.blank?) ? '' : ('x'*15)),
Chris@1295:                             :onfocus => "this.value=''; this.name='repository[password]';",
Chris@1295:                             :onchange => "this.name='repository[password]';"))
Chris@1295:   end
Chris@1295: 
Chris@1295:   def darcs_field_tags(form, repository)
Chris@1295:     content_tag('p', form.text_field(
Chris@1295:                      :url, :label => l(:field_path_to_repository),
Chris@1295:                      :size => 60, :required => true,
Chris@1295:                      :disabled => !repository.safe_attribute?('url'))) +
Chris@1295:     content_tag('p', form.select(
Chris@1295:                      :log_encoding, [nil] + Setting::ENCODINGS,
Chris@1295:                      :label => l(:field_commit_logs_encoding), :required => true))
Chris@1295:   end
Chris@1295: 
Chris@1295:   def mercurial_field_tags(form, repository)
Chris@1295:     content_tag('p', form.text_field(
Chris@1295:                        :url, :label => l(:field_path_to_repository),
Chris@1295:                        :size => 60, :required => true,
Chris@1295:                        :disabled => !repository.safe_attribute?('url')
Chris@1295:                          ) +
Chris@1295:                      '<br />'.html_safe + l(:text_mercurial_repository_note)) +
Chris@1295:     content_tag('p', form.select(
Chris@1295:                         :path_encoding, [nil] + Setting::ENCODINGS,
Chris@1295:                         :label => l(:field_scm_path_encoding)
Chris@1295:                         ) +
Chris@1295:                      '<br />'.html_safe + l(:text_scm_path_encoding_note))
Chris@1295:   end
Chris@1295: 
Chris@1295:   def git_field_tags(form, repository)
Chris@1295:     content_tag('p', form.text_field(
Chris@1295:                        :url, :label => l(:field_path_to_repository),
Chris@1295:                        :size => 60, :required => true,
Chris@1295:                        :disabled => !repository.safe_attribute?('url')
Chris@1295:                          ) +
Chris@1295:                       '<br />'.html_safe +
Chris@1295:                       l(:text_git_repository_note)) +
Chris@1295:     content_tag('p', form.select(
Chris@1295:                         :path_encoding, [nil] + Setting::ENCODINGS,
Chris@1295:                         :label => l(:field_scm_path_encoding)
Chris@1295:                         ) +
Chris@1295:                      '<br />'.html_safe + l(:text_scm_path_encoding_note)) +
Chris@1295:     content_tag('p', form.check_box(
Chris@1295:                         :extra_report_last_commit,
Chris@1295:                         :label => l(:label_git_report_last_commit)
Chris@1295:                          ))
Chris@1295:   end
Chris@1295: 
Chris@1295:   def cvs_field_tags(form, repository)
Chris@1295:     content_tag('p', form.text_field(
Chris@1295:                      :root_url,
Chris@1295:                      :label => l(:field_cvsroot),
Chris@1295:                      :size => 60, :required => true,
Chris@1295:                      :disabled => !repository.safe_attribute?('root_url'))) +
Chris@1295:     content_tag('p', form.text_field(
Chris@1295:                      :url,
Chris@1295:                      :label => l(:field_cvs_module),
Chris@1295:                      :size => 30, :required => true,
Chris@1295:                      :disabled => !repository.safe_attribute?('url'))) +
Chris@1295:     content_tag('p', form.select(
Chris@1295:                      :log_encoding, [nil] + Setting::ENCODINGS,
Chris@1295:                      :label => l(:field_commit_logs_encoding), :required => true)) +
Chris@1295:     content_tag('p', form.select(
Chris@1295:                         :path_encoding, [nil] + Setting::ENCODINGS,
Chris@1295:                         :label => l(:field_scm_path_encoding)
Chris@1295:                         ) +
Chris@1295:                      '<br />'.html_safe + l(:text_scm_path_encoding_note))
Chris@1295:   end
Chris@1295: 
Chris@1295:   def bazaar_field_tags(form, repository)
Chris@1295:     content_tag('p', form.text_field(
Chris@1295:                      :url, :label => l(:field_path_to_repository),
Chris@1295:                      :size => 60, :required => true,
Chris@1295:                      :disabled => !repository.safe_attribute?('url'))) +
Chris@1295:     content_tag('p', form.select(
Chris@1295:                      :log_encoding, [nil] + Setting::ENCODINGS,
Chris@1295:                      :label => l(:field_commit_logs_encoding), :required => true))
Chris@1295:   end
Chris@1295: 
Chris@1295:   def filesystem_field_tags(form, repository)
Chris@1295:     content_tag('p', form.text_field(
Chris@1295:                      :url, :label => l(:field_root_directory),
Chris@1295:                      :size => 60, :required => true,
Chris@1295:                      :disabled => !repository.safe_attribute?('url'))) +
Chris@1295:     content_tag('p', form.select(
Chris@1295:                         :path_encoding, [nil] + Setting::ENCODINGS,
Chris@1295:                         :label => l(:field_scm_path_encoding)
Chris@1295:                         ) +
Chris@1295:                      '<br />'.html_safe + l(:text_scm_path_encoding_note))
Chris@1295:   end
Chris@1295: 
Chris@1295:   def index_commits(commits, heads)
Chris@1295:     return nil if commits.nil? or commits.first.parents.nil?
Chris@1295:     refs_map = {}
Chris@1295:     heads.each do |head|
Chris@1295:       refs_map[head.scmid] ||= []
Chris@1295:       refs_map[head.scmid] << head
Chris@1295:     end
Chris@1295:     commits_by_scmid = {}
Chris@1295:     commits.reverse.each_with_index do |commit, commit_index|
Chris@1295:       commits_by_scmid[commit.scmid] = {
Chris@1295:         :parent_scmids => commit.parents.collect { |parent| parent.scmid },
Chris@1295:         :rdmid => commit_index,
Chris@1295:         :refs  => refs_map.include?(commit.scmid) ? refs_map[commit.scmid].join(" ") : nil,
Chris@1295:         :scmid => commit.scmid,
Chris@1295:         :href  => block_given? ? yield(commit.scmid) : commit.scmid
Chris@1295:       }
Chris@1295:     end
Chris@1295:     heads.sort! { |head1, head2| head1.to_s <=> head2.to_s }
Chris@1295:     space = nil  
Chris@1295:     heads.each do |head|
Chris@1295:       if commits_by_scmid.include? head.scmid
Chris@1295:         space = index_head((space || -1) + 1, head, commits_by_scmid)
Chris@1295:       end
Chris@1295:     end
Chris@1295:     # when no head matched anything use first commit
Chris@1295:     space ||= index_head(0, commits.first, commits_by_scmid)
Chris@1295:     return commits_by_scmid, space
Chris@1295:   end
Chris@1295: 
Chris@1295:   def index_head(space, commit, commits_by_scmid)
Chris@1295:     stack = [[space, commits_by_scmid[commit.scmid]]]
Chris@1295:     max_space = space
Chris@1295:     until stack.empty?
Chris@1295:       space, commit = stack.pop
Chris@1295:       commit[:space] = space if commit[:space].nil?
Chris@1295:       space -= 1
Chris@1295:       commit[:parent_scmids].each_with_index do |parent_scmid, parent_index|
Chris@1295:         parent_commit = commits_by_scmid[parent_scmid]
Chris@1295:         if parent_commit and parent_commit[:space].nil?
Chris@1295:           stack.unshift [space += 1, parent_commit]
Chris@1295:         end
Chris@1295:       end
Chris@1295:       max_space = space if max_space < space
Chris@1295:     end
Chris@1295:     max_space
Chris@1295:   end
Chris@1295: end