Redmine

    content = if value.is_a?(Array)

                values = value.collect {|v| column_value(column, item, v)}.compact

                safe_join(values, ', ')

              else

                column_value(column, item, value)

              end

    call_hook(:helper_queries_column_content,

              {:content => content, :column => column, :item => item})

    content

    content = case column.name

              when :id

                link_to value, issue_path(item)

              when :subject

                link_to value, issue_path(item)

              when :parent

                value ? (value.visible? ? link_to_issue(value, :subject => false) : "##{value.id}") : ''

              when :description

                item.description? ? content_tag('div', textilizable(item, :description), :class => "wiki") : ''

              when :last_notes

                item.last_notes.present? ? content_tag('div', textilizable(item, :last_notes), :class => "wiki") : ''

              when :done_ratio

                progress_bar(value)

              when :relations

                content_tag(

                  'span',

                  value.to_s(item) {|other| link_to_issue(other, :subject => false, :tracker => false)}.html_safe,

                  :class => value.css_classes_for(item))

              when :hours, :estimated_hours, :total_estimated_hours

                format_hours(value)

              when :spent_hours

                link_to_if(value > 0, format_hours(value), project_time_entries_path(item.project, :issue_id => "#{item.id}"))

              when :total_spent_hours

                link_to_if(value > 0, format_hours(value), project_time_entries_path(item.project, :issue_id => "~#{item.id}"))

              when :attachments

                value.to_a.map {|a| format_object(a)}.join(" ").html_safe

              else

                format_object(value)

              end

    call_hook(:helper_queries_column_value,

              {:content => content, :column => column, :item => item, :value => value})

    content