3 class ThreadViewMode < LineCursorMode
4 ## this holds all info we need to lay out a message
6 attr_accessor :top, :bot, :prev, :next, :depth, :width, :state, :color
9 DATE_FORMAT = "%B %e %Y %l:%M%P"
10 INDENT_SPACES = 2 # how many spaces to indent child messages
12 register_keymap do |k|
13 k.add :toggle_detailed_header, "Toggle detailed header", 'd'
14 k.add :show_header, "Show full message header", 'H'
15 k.add :toggle_expanded, "Expand/collapse item", :enter
16 k.add :expand_all_messages, "Expand/collapse all messages", 'E'
17 k.add :edit_message, "Edit message (drafts only)", 'e'
18 k.add :expand_all_quotes, "Expand/collapse all quotes in a message", 'o'
19 k.add :jump_to_next_open, "Jump to next open message", 'n'
20 k.add :jump_to_prev_open, "Jump to previous open message", 'p'
21 k.add :toggle_starred, "Star or unstar message", '*'
22 k.add :collapse_non_new_messages, "Collapse all but new messages", 'N'
23 k.add :reply, "Reply to a message", 'r'
24 k.add :forward, "Forward a message", 'f'
25 k.add :alias, "Edit alias/nickname for a person", 'a'
26 k.add :edit_as_new, "Edit message as new", 'D'
27 k.add :save_to_disk, "Save message/attachment to disk", 's'
28 k.add :search, "Search for messages from particular people", 'S'
31 ## there are a couple important instance variables we hold to lay
32 ## out the thread and to provide line-based functionality. @layout
33 ## is a map from Message and Chunk objects to Layout objects. (for
34 ## chunks, we only use the state field right now.) @message_lines is
35 ## a map from row #s to Message objects. @chunk_lines is a map from
36 ## row #s to Chunk objects. @person_lines is a map from row #s to
39 def initialize thread, hidden_labels=[]
42 @hidden_labels = hidden_labels
45 earliest, latest = nil, nil
48 @thread.each do |m, d, p|
51 @layout[m] = Layout.new
52 @layout[m].state = initial_state_for m
53 @layout[m].color = altcolor ? :alternate_patina_color : :message_patina_color
55 if latest_date.nil? || m.date > latest_date
61 @layout[latest].state = :open if @layout[latest].state == :closed
62 @layout[earliest].state = :detailed if earliest.has_label?(:unread) || @thread.size == 1
64 BufferManager.say("Loading message bodies...") { regen_text }
67 def draw_line ln, opts={}
69 super ln, :highlight => true
74 def lines; @text.length; end
75 def [] i; @text[i]; end
78 m = @message_lines[curpos] or return
79 BufferManager.spawn_unless_exists("Full header") do
80 TextMode.new m.raw_header
84 def toggle_detailed_header
85 m = @message_lines[curpos] or return
86 @layout[m].state = (@layout[m].state == :detailed ? :open : :detailed)
91 m = @message_lines[curpos] or return
92 mode = ReplyMode.new m
93 BufferManager.spawn "Reply to #{m.subj}", mode
97 m = @message_lines[curpos] or return
98 mode = ForwardMode.new m
99 BufferManager.spawn "Forward of #{m.subj}", mode
103 include CanAliasContacts
105 p = @person_lines[curpos] or return
111 p = @person_lines[curpos] or return
112 mode = PersonSearchResultsMode.new [p]
113 BufferManager.spawn "search for #{p.name}", mode
114 mode.load_threads :num => mode.buffer.content_height
118 m = @message_lines[curpos] or return
119 if m.has_label? :starred
120 m.remove_label :starred
124 ## TODO: don't recalculate EVERYTHING just to add a stupid little
125 ## star to the display
127 UpdateManager.relay :starred, m
131 chunk = @chunk_lines[curpos] or return
133 when Message, Message::Quote, Message::Signature
135 l.state = (l.state != :closed ? :closed : :open)
136 cursor_down if l.state == :closed
137 when Message::Attachment
138 view_attachment chunk
144 m = @message_lines[curpos] or return
145 mode = ComposeMode.new(:body => m.basic_body_lines, :to => m.to, :cc => m.cc, :subj => m.subj, :bcc => m.bcc)
146 BufferManager.spawn "edit as new", mode
151 chunk = @chunk_lines[curpos] or return
153 when Message::Attachment
154 fn = BufferManager.ask :filename, "Save attachment to file: ", chunk.filename
155 save_to_file(fn) { |f| f.print chunk } if fn
157 m = @message_lines[curpos]
158 fn = BufferManager.ask :filename, "Save message to file: "
159 save_to_file(fn) { |f| f.print m.raw_full_message } if fn
164 m = @message_lines[curpos] or return
166 mode = ResumeMode.new m
167 BufferManager.spawn "Edit message", mode
170 BufferManager.flash "Not a draft message!"
174 def jump_to_first_open
175 m = @message_lines[0] or return
176 if @layout[m].state != :closed
183 def jump_to_next_open
184 m = @message_lines[curpos] or return
185 while nextm = @layout[m].next
186 break if @layout[nextm].state != :closed
189 jump_to_message nextm if nextm
192 def jump_to_prev_open
193 m = @message_lines[curpos] or return
194 ## jump to the top of the current message if we're in the body;
195 ## otherwise, to the previous message
199 while(prevm = @layout[m].prev)
200 break if @layout[prevm].state != :closed
203 jump_to_message prevm if prevm
209 def jump_to_message m
211 left = l.depth * INDENT_SPACES
212 right = left + l.width
214 ## jump to the top line unless both top and bottom fit in the current view
215 jump_to_line l.top unless l.top >= topline && l.top <= botline && l.bot >= topline && l.bot <= botline
217 ## jump to the left columns unless both left and right fit in the current view
218 jump_to_col left unless left >= leftcol && left <= rightcol && right >= leftcol && right <= rightcol
220 ## either way, move the cursor to the first line
224 def expand_all_messages
225 @global_message_state ||= :closed
226 @global_message_state = (@global_message_state == :closed ? :open : :closed)
227 @layout.each { |m, l| l.state = @global_message_state if m.is_a? Message }
231 def collapse_non_new_messages
232 @layout.each { |m, l| l.state = m.has_label?(:unread) ? :open : :closed }
236 def expand_all_quotes
237 if(m = @message_lines[curpos])
238 quotes = m.chunks.select { |c| c.is_a?(Message::Quote) || c.is_a?(Message::Signature) }
239 numopen = quotes.inject(0) { |s, c| s + (@layout[c].state == :open ? 1 : 0) }
240 newstate = numopen > quotes.length / 2 ? :closed : :open
241 quotes.each { |c| @layout[c].state = newstate }
246 ## kinda slow for large threads. TODO: fasterify
248 BufferManager.say "Marking messages as read..." do
249 @thread.each do |m, d, p|
250 if m && m.has_label?(:unread)
251 m.remove_label :unread
252 UpdateManager.relay :read, m
256 @layout = @text = nil
261 def initial_state_for m
262 if m.has_label?(:starred) || m.has_label?(:unread)
271 buffer.mark_dirty if buffer
274 ## here we generate the actual content lines. we accumulate
275 ## everything into @text, and we set @chunk_lines and
276 ## @message_lines, and we update @layout.
284 @thread.each do |m, depth, parent|
285 unless m.is_a? Message # handle nil and :fake_root
286 @text += chunk_to_lines m, nil, @text.length, depth, parent
290 ## we're occasionally called on @threads that have had messages
291 ## added to them since initialization. luckily we regen_text on
292 ## the entire thread every time the user does anything besides
293 ## scrolling (basically), so we can just slap this on here.
295 ## to pick nits, the niceness that i do in the constructor with
296 ## 'latest' etc. (for automatically opening just the latest
297 ## message if everything's been read) will not be valid, but
298 ## that's just a nicety and hopefully this won't happen too
301 unless @layout.member? m
302 l = @layout[m] = Layout.new
303 l.state = initial_state_for m
304 l.color = prevm && prevm.color == :message_patina_color ? :alternate_patina_color : :message_patina_color
309 text = chunk_to_lines m, l.state, @text.length, depth, parent, @layout[m].color
312 l.bot = @text.length + text.length # updated below
316 # l.state we preserve
317 l.width = 0 # updated below
318 @layout[l.prev].next = m if l.prev
320 (0 ... text.length).each do |i|
321 @chunk_lines[@text.length + i] = m
322 @message_lines[@text.length + i] = m
323 lw = text[i].flatten.select { |x| x.is_a? String }.map { |x| x.length }.sum
328 if @layout[m].state != :closed
330 cl = (@layout[c] ||= Layout.new)
332 text = chunk_to_lines c, cl.state, @text.length, depth
333 (0 ... text.length).each do |i|
334 @chunk_lines[@text.length + i] = c
335 @message_lines[@text.length + i] = m
336 lw = text[i].flatten.select { |x| x.is_a? String }.map { |x| x.length }.sum - (depth * INDENT_SPACES)
337 l.width = lw if lw > l.width
341 @layout[m].bot = @text.length
346 def message_patina_lines m, state, start, parent, prefix, color
347 prefix_widget = [color, prefix]
352 when :open, :detailed
356 if m.has_label?(:starred)
357 [:starred_patina_color, "* "]
364 @person_lines[start] = m.from
365 [[prefix_widget, widget, imp_widget,
367 "#{m.from ? m.from.mediumname : '?'} to #{m.recipients.map { |l| l.shortname }.join(', ')} #{m.date.to_nice_s} (#{m.date.to_nice_distance_s})"]]]
370 @person_lines[start] = m.from
371 [[prefix_widget, widget, imp_widget,
373 "#{m.from ? m.from.mediumname : '?'}, #{m.date.to_nice_s} (#{m.date.to_nice_distance_s}) #{m.snippet}"]]]
376 @person_lines[start] = m.from
377 from = [[prefix_widget, widget, imp_widget, [color, "From: #{m.from ? format_person(m.from) : '?'}"]]]
381 m.to.each_with_index { |p, i| @person_lines[start + rest.length + from.length + i] = p }
382 rest += format_person_list " To: ", m.to
385 m.cc.each_with_index { |p, i| @person_lines[start + rest.length + from.length + i] = p }
386 rest += format_person_list " Cc: ", m.cc
389 m.bcc.each_with_index { |p, i| @person_lines[start + rest.length + from.length + i] = p }
390 rest += format_person_list " Bcc: ", m.bcc
394 " Date: #{m.date.strftime DATE_FORMAT} (#{m.date.to_nice_distance_s})",
395 " Subject: #{m.subj}",
396 (parent ? " In reply to: #{parent.from.mediumname}'s message of #{parent.date.strftime DATE_FORMAT}" : nil),
397 m.labels.empty? ? nil : " Labels: #{m.labels.join(', ')}",
400 from + rest.map { |l| [[color, prefix + " " + l]] }
404 def format_person_list prefix, people
405 ptext = people.map { |p| format_person p }
406 pad = " " * prefix.length
407 [prefix + ptext.first + (ptext.length > 1 ? "," : "")] +
408 ptext[1 .. -1].map_with_index do |e, i|
409 pad + e + (i == ptext.length - 1 ? "" : ",")
414 p.longname + (ContactManager.is_contact?(p) ? " (#{ContactManager.alias_for p})" : "")
417 def chunk_to_lines chunk, state, start, depth, parent=nil, color=nil
418 prefix = " " * INDENT_SPACES * depth
421 [[[:missing_message_color, "#{prefix}<one or more unreceived messages>"]]]
423 [[[:missing_message_color, "#{prefix}<an unreceived message>"]]]
425 message_patina_lines(chunk, state, start, parent, prefix, color) +
426 (chunk.is_draft? ? [[[:draft_notification_color, prefix + " >>> This message is a draft. To edit, hit 'e'. <<<"]]] : [])
427 when Message::Attachment
428 [[[:mime_color, "#{prefix}+ MIME attachment #{chunk.content_type}#{chunk.desc ? ' (' + chunk.desc + ')': ''}"]]]
431 if t.last =~ /^\s*$/ && t.length > 1
432 t.pop while t[-2] =~ /^\s*$/ # pop until only one file empty line
434 t.map { |line| [[:none, "#{prefix}#{line}"]] }
438 [[[:quote_patina_color, "#{prefix}+ (#{chunk.lines.length} quoted lines)"]]]
441 [[[:quote_patina_color, "#{prefix}- (#{chunk.lines.length} quoted lines)"]]] +
442 t.map { |line| [[:quote_color, "#{prefix}#{line}"]] }
444 when Message::Signature
447 [[[:sig_patina_color, "#{prefix}+ (#{chunk.lines.length}-line signature)"]]]
450 [[[:sig_patina_color, "#{prefix}- (#{chunk.lines.length}-line signature)"]]] +
451 t.map { |line| [[:sig_color, "#{prefix}#{line}"]] }
454 raise "unknown chunk type #{chunk.class.name}"
458 def view_attachment a
459 BufferManager.flash "viewing #{a.content_type} attachment..."
461 BufferManager.erase_flash
462 BufferManager.completely_redraw_screen