4 class ThreadViewMode < LineCursorMode
5 ## this holds all info we need to lay out a message
7 attr_accessor :top, :bot, :prev, :next, :depth, :width, :state, :color, :star_color, :orig_new
14 DATE_FORMAT = "%B %e %Y %l:%M%P"
15 INDENT_SPACES = 2 # how many spaces to indent child messages
17 HookManager.register "detailed-headers", <<EOS
18 Add or remove headers from the detailed header display of a message.
20 message: The message whose headers are to be formatted.
21 headers: A hash of header (name, value) pairs, initialized to the default
24 None. The variable 'headers' should be modified in place.
27 register_keymap do |k|
28 k.add :toggle_detailed_header, "Toggle detailed header", 'h'
29 k.add :show_header, "Show full message header", 'H'
30 k.add :activate_chunk, "Expand/collapse or activate item", :enter
31 k.add :expand_all_messages, "Expand/collapse all messages", 'E'
32 k.add :edit_draft, "Edit draft", 'e'
33 k.add :edit_labels, "Edit or add labels for a thread", 'l'
34 k.add :expand_all_quotes, "Expand/collapse all quotes in a message", 'o'
35 k.add :jump_to_next_open, "Jump to next open message", 'n'
36 k.add :jump_to_prev_open, "Jump to previous open message", 'p'
37 k.add :toggle_starred, "Star or unstar message", '*'
38 k.add :toggle_new, "Toggle new/read status of message", 'N'
39 # k.add :collapse_non_new_messages, "Collapse all but unread messages", 'N'
40 k.add :reply, "Reply to a message", 'r'
41 k.add :forward, "Forward a message or attachment", 'f'
42 k.add :alias, "Edit alias/nickname for a person", 'i'
43 k.add :edit_as_new, "Edit message as new", 'D'
44 k.add :save_to_disk, "Save message/attachment to disk", 's'
45 k.add :search, "Search for messages from particular people", 'S'
46 k.add :compose, "Compose message to person", 'm'
47 k.add :subscribe_to_list, "Subscribe to/unsubscribe from mailing list", "("
48 k.add :unsubscribe_from_list, "Subscribe to/unsubscribe from mailing list", ")"
49 k.add :pipe_message, "Pipe message or attachment to a shell command", '|'
51 ## dispatch-and-kill commands
52 k.add_multi "(A)rchive/(d)elete/mark as (s)pam/do (n)othing:", ',' do |kk|
53 kk.add :archive_and_kill, "Archive this thread and view next", 'a'
54 kk.add :delete_and_kill, "Delete this thread and view next", 'd'
55 kk.add :spam_and_kill, "Mark this thread as spam and view next", 's'
56 kk.add :skip_and_kill, "Skip this thread and view next", 'n'
60 ## there are a couple important instance variables we hold to format
61 ## the thread and to provide line-based functionality. @layout is a
62 ## map from Messages to MessageLayouts, and @chunk_layout from
63 ## Chunks to ChunkLayouts. @message_lines is a map from row #s to
64 ## Message objects. @chunk_lines is a map from row #s to Chunk
65 ## objects. @person_lines is a map from row #s to Person objects.
67 def initialize thread, hidden_labels=[], index_mode=nil
70 @hidden_labels = hidden_labels
72 ## used for dispatch-and-kill
73 @index_mode = index_mode
76 @layout = SavingHash.new { MessageLayout.new }
77 @chunk_layout = SavingHash.new { ChunkLayout.new }
78 earliest, latest = nil, nil
82 @thread.each do |m, d, p|
85 @layout[m].state = initial_state_for m
86 @layout[m].color = altcolor ? :alternate_patina_color : :message_patina_color
87 @layout[m].star_color = altcolor ? :alternate_starred_patina_color : :starred_patina_color
88 @layout[m].orig_new = m.has_label? :read
90 if latest_date.nil? || m.date > latest_date
96 @layout[latest].state = :open if @layout[latest].state == :closed
97 @layout[earliest].state = :detailed if earliest.has_label?(:unread) || @thread.size == 1
99 @thread.remove_label :unread
103 def draw_line ln, opts={}
105 super ln, :highlight => true
110 def lines; @text.length; end
111 def [] i; @text[i]; end
114 m = @message_lines[curpos] or return
115 BufferManager.spawn_unless_exists("Full header for #{m.id}") do
116 TextMode.new m.raw_header
120 def toggle_detailed_header
121 m = @message_lines[curpos] or return
122 @layout[m].state = (@layout[m].state == :detailed ? :open : :detailed)
127 m = @message_lines[curpos] or return
128 mode = ReplyMode.new m
129 BufferManager.spawn "Reply to #{m.subj}", mode
132 def subscribe_to_list
133 m = @message_lines[curpos] or return
134 if m.list_subscribe && m.list_subscribe =~ /<mailto:(.*?)\?(subject=(.*?))>/
135 ComposeMode.spawn_nicely :from => AccountManager.account_for(m.recipient_email), :to => [PersonManager.person_for($1)], :subj => $3
137 BufferManager.flash "Can't find List-Subscribe header for this message."
141 def unsubscribe_from_list
142 m = @message_lines[curpos] or return
143 if m.list_unsubscribe && m.list_unsubscribe =~ /<mailto:(.*?)\?(subject=(.*?))>/
144 ComposeMode.spawn_nicely :from => AccountManager.account_for(m.recipient_email), :to => [PersonManager.person_for($1)], :subj => $3
146 BufferManager.flash "Can't find List-Unsubscribe header for this message."
151 if(chunk = @chunk_lines[curpos]) && chunk.is_a?(Chunk::Attachment)
152 ForwardMode.spawn_nicely :attachments => [chunk]
153 elsif(m = @message_lines[curpos])
154 ForwardMode.spawn_nicely :message => m
158 include CanAliasContacts
160 p = @person_lines[curpos] or return
166 p = @person_lines[curpos] or return
167 mode = PersonSearchResultsMode.new [p]
168 BufferManager.spawn "Search for #{p.name}", mode
169 mode.load_threads :num => mode.buffer.content_height
173 p = @person_lines[curpos]
175 ComposeMode.spawn_nicely :to => [p]
177 ComposeMode.spawn_nicely
182 reserved_labels = @thread.labels.select { |l| LabelManager::RESERVED_LABELS.include? l }
183 new_labels = BufferManager.ask_for_labels :label, "Labels for thread: ", @thread.labels
185 return unless new_labels
186 @thread.labels = (reserved_labels + new_labels).uniq
187 new_labels.each { |l| LabelManager << l }
189 UpdateManager.relay self, :labeled, @thread.first
193 m = @message_lines[curpos] or return
194 toggle_label m, :starred
198 m = @message_lines[curpos] or return
199 toggle_label m, :unread
202 def toggle_label m, label
203 if m.has_label? label
208 ## TODO: don't recalculate EVERYTHING just to add a stupid little
209 ## star to the display
211 UpdateManager.relay self, :single_message_labeled, m
214 ## called when someone presses enter when the cursor is highlighting
215 ## a chunk. for expandable chunks (including messages) we toggle
216 ## open/closed state; for viewable chunks (like attachments) we
219 chunk = @chunk_lines[curpos] or return
221 if chunk.is_a?(Message)
223 elsif chunk.expandable?
227 layout.state = (layout.state != :closed ? :closed : :open)
228 #cursor_down if layout.state == :closed # too annoying
230 elsif chunk.viewable?
236 m = @message_lines[curpos] or return
237 mode = ComposeMode.new(:body => m.quotable_body_lines, :to => m.to, :cc => m.cc, :subj => m.subj, :bcc => m.bcc)
238 BufferManager.spawn "edit as new", mode
243 chunk = @chunk_lines[curpos] or return
245 when Chunk::Attachment
246 fn = BufferManager.ask_for_filename :filename, "Save attachment to file: ", chunk.filename
247 save_to_file(fn) { |f| f.print chunk.raw_content } if fn
249 m = @message_lines[curpos]
250 fn = BufferManager.ask_for_filename :filename, "Save message to file: "
252 save_to_file(fn) do |f|
253 m.each_raw_message_line { |l| f.print l }
259 m = @message_lines[curpos] or return
261 mode = ResumeMode.new m
262 BufferManager.spawn "Edit message", mode
263 BufferManager.kill_buffer self.buffer
266 BufferManager.flash "Not a draft message!"
270 def jump_to_first_open
271 m = @message_lines[0] or return
272 if @layout[m].state != :closed
279 def jump_to_next_open
280 return continue_search_in_buffer if in_search? # hack: allow 'n' to apply to both operations
281 m = @message_lines[curpos] or return
282 while nextm = @layout[m].next
283 break if @layout[nextm].state != :closed
286 jump_to_message nextm if nextm
289 def jump_to_prev_open
290 m = @message_lines[curpos] or return
291 ## jump to the top of the current message if we're in the body;
292 ## otherwise, to the previous message
296 while(prevm = @layout[m].prev)
297 break if @layout[prevm].state != :closed
300 jump_to_message prevm if prevm
306 def jump_to_message m
308 left = l.depth * INDENT_SPACES
309 right = left + l.width
311 ## jump to the top line unless both top and bottom fit in the current view
312 jump_to_line l.top unless l.top >= topline && l.top <= botline && l.bot >= topline && l.bot <= botline
314 ## jump to the left columns unless both left and right fit in the current view
315 jump_to_col left unless left >= leftcol && left <= rightcol && right >= leftcol && right <= rightcol
317 ## either way, move the cursor to the first line
321 def expand_all_messages
322 @global_message_state ||= :closed
323 @global_message_state = (@global_message_state == :closed ? :open : :closed)
324 @layout.each { |m, l| l.state = @global_message_state }
328 def collapse_non_new_messages
329 @layout.each { |m, l| l.state = l.orig_new ? :open : :closed }
333 def expand_all_quotes
334 if(m = @message_lines[curpos])
335 quotes = m.chunks.select { |c| (c.is_a?(Chunk::Quote) || c.is_a?(Chunk::Signature)) && c.lines.length > 1 }
336 numopen = quotes.inject(0) { |s, c| s + (@chunk_layout[c].state == :open ? 1 : 0) }
337 newstate = numopen > quotes.length / 2 ? :closed : :open
338 quotes.each { |c| @chunk_layout[c].state = newstate }
344 @layout = @chunk_layout = @text = nil # for good luck
349 @thread.remove_label :inbox
350 UpdateManager.relay self, :archived, @thread.first
356 @thread.apply_label :spam
357 UpdateManager.relay self, :spammed, @thread.first
363 @thread.apply_label :deleted
364 UpdateManager.relay self, :deleted, @thread.first
369 dispatch_and_kill { }
372 def dispatch_and_kill
377 @index_mode.launch_next_thread_after(@thread) do
378 @thread.save Index if yield
379 BufferManager.kill_buffer_safely buffer
382 @thread.save Index if yield
383 BufferManager.kill_buffer_safely buffer
386 private :dispatch_and_kill
389 chunk = @chunk_lines[curpos]
390 chunk = nil unless chunk.is_a?(Chunk::Attachment)
391 message = @message_lines[curpos] unless chunk
393 return unless chunk || message
395 command = BufferManager.ask(:shell, "pipe command: ")
396 return if command.nil? || command.empty?
398 output = pipe_to_process(command) do |stream|
400 stream.print chunk.raw_content
402 message.each_raw_message_line { |l| stream.print l }
407 BufferManager.spawn "Output of '#{command}'", TextMode.new(output)
409 BufferManager.flash "'#{command}' done!"
415 def initial_state_for m
416 if m.has_label?(:starred) || m.has_label?(:unread)
425 buffer.mark_dirty if buffer
428 ## here we generate the actual content lines. we accumulate
429 ## everything into @text, and we set @chunk_lines and
430 ## @message_lines, and we update @layout.
438 @thread.each do |m, depth, parent|
439 unless m.is_a? Message # handle nil and :fake_root
440 @text += chunk_to_lines m, nil, @text.length, depth, parent
445 ## is this still necessary?
446 next unless @layout[m].state # skip discarded drafts
449 text = chunk_to_lines m, l.state, @text.length, depth, parent, l.color, l.star_color
452 l.bot = @text.length + text.length # updated below
456 # l.state we preserve
457 l.width = 0 # updated below
458 @layout[l.prev].next = m if l.prev
460 (0 ... text.length).each do |i|
461 @chunk_lines[@text.length + i] = m
462 @message_lines[@text.length + i] = m
463 lw = text[i].flatten.select { |x| x.is_a? String }.map { |x| x.length }.sum
468 if l.state != :closed
470 cl = @chunk_layout[c]
472 ## set the default state for chunks
474 if c.expandable? && c.respond_to?(:initial_state)
480 text = chunk_to_lines c, cl.state, @text.length, depth
481 (0 ... text.length).each do |i|
482 @chunk_lines[@text.length + i] = c
483 @message_lines[@text.length + i] = m
484 lw = text[i].flatten.select { |x| x.is_a? String }.map { |x| x.length }.sum - (depth * INDENT_SPACES)
485 l.width = lw if lw > l.width
489 @layout[m].bot = @text.length
494 def message_patina_lines m, state, start, parent, prefix, color, star_color
495 prefix_widget = [color, prefix]
497 open_widget = [color, (state == :closed ? "+ " : "- ")]
498 new_widget = [color, (m.has_label?(:unread) ? "N" : " ")]
500 if m.has_label?(:starred)
508 @person_lines[start] = m.from
509 [[prefix_widget, open_widget, new_widget, starred_widget,
511 "#{m.from ? m.from.mediumname : '?'} to #{m.recipients.map { |l| l.shortname }.join(', ')} #{m.date.to_nice_s} (#{m.date.to_nice_distance_s})"]]]
514 @person_lines[start] = m.from
515 [[prefix_widget, open_widget, new_widget, starred_widget,
517 "#{m.from ? m.from.mediumname : '?'}, #{m.date.to_nice_s} (#{m.date.to_nice_distance_s}) #{m.snippet}"]]]
520 @person_lines[start] = m.from
521 from_line = [[prefix_widget, open_widget, new_widget, starred_widget,
522 [color, "From: #{m.from ? format_person(m.from) : '?'}"]]]
526 m.to.each_with_index { |p, i| @person_lines[start + addressee_lines.length + from_line.length + i] = p }
527 addressee_lines += format_person_list " To: ", m.to
530 m.cc.each_with_index { |p, i| @person_lines[start + addressee_lines.length + from_line.length + i] = p }
531 addressee_lines += format_person_list " Cc: ", m.cc
534 m.bcc.each_with_index { |p, i| @person_lines[start + addressee_lines.length + from_line.length + i] = p }
535 addressee_lines += format_person_list " Bcc: ", m.bcc
538 headers = OrderedHash.new
539 headers["Date"] = "#{m.date.strftime DATE_FORMAT} (#{m.date.to_nice_distance_s})"
540 headers["Subject"] = m.subj
542 show_labels = @thread.labels - LabelManager::HIDDEN_RESERVED_LABELS
543 unless show_labels.empty?
544 headers["Labels"] = show_labels.map { |x| x.to_s }.sort.join(', ')
547 headers["In reply to"] = "#{parent.from.mediumname}'s message of #{parent.date.strftime DATE_FORMAT}"
550 HookManager.run "detailed-headers", :message => m, :headers => headers
552 from_line + (addressee_lines + headers.map { |k, v| " #{k}: #{v}" }).map { |l| [[color, prefix + " " + l]] }
556 def format_person_list prefix, people
557 ptext = people.map { |p| format_person p }
558 pad = " " * prefix.length
559 [prefix + ptext.first + (ptext.length > 1 ? "," : "")] +
560 ptext[1 .. -1].map_with_index do |e, i|
561 pad + e + (i == ptext.length - 1 ? "" : ",")
566 p.longname + (ContactManager.is_aliased_contact?(p) ? " (#{ContactManager.alias_for p})" : "")
569 ## todo: check arguments on this overly complex function
570 def chunk_to_lines chunk, state, start, depth, parent=nil, color=nil, star_color=nil
571 prefix = " " * INDENT_SPACES * depth
574 [[[:missing_message_color, "#{prefix}<one or more unreceived messages>"]]]
576 [[[:missing_message_color, "#{prefix}<an unreceived message>"]]]
578 message_patina_lines(chunk, state, start, parent, prefix, color, star_color) +
579 (chunk.is_draft? ? [[[:draft_notification_color, prefix + " >>> This message is a draft. To edit, hit 'e'. <<<"]]] : [])
582 raise "Bad chunk: #{chunk.inspect}" unless chunk.respond_to?(:inlineable?) ## debugging
584 chunk.lines.map { |line| [[chunk.color, "#{prefix}#{line}"]] }
585 elsif chunk.expandable?
588 [[[chunk.patina_color, "#{prefix}+ #{chunk.patina_text}"]]]
590 [[[chunk.patina_color, "#{prefix}- #{chunk.patina_text}"]]] + chunk.lines.map { |line| [[chunk.color, "#{prefix}#{line}"]] }
593 [[[chunk.patina_color, "#{prefix}x #{chunk.patina_text}"]]]
599 BufferManager.flash "viewing #{chunk.content_type} attachment..."
600 success = chunk.view!
601 BufferManager.erase_flash
602 BufferManager.completely_redraw_screen
604 BufferManager.spawn "Attachment: #{chunk.filename}", TextMode.new(chunk.to_s)
605 BufferManager.flash "Couldn't execute view command, viewing as text."