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
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
47 @thread.each do |m, d, p|
50 @layout[m] = Layout.new
51 @layout[m].state = initial_state_for m
52 if latest_date.nil? || m.date > latest_date
58 @layout[latest].state = :open if @layout[latest].state == :closed
59 @layout[earliest].state = :detailed if earliest.has_label?(:unread) || @thread.size == 1
61 BufferManager.say("Loading message bodies...") { regen_text }
64 def draw_line ln, opts={}
66 super ln, :highlight => true
71 def lines; @text.length; end
72 def [] i; @text[i]; end
75 m = @message_lines[curpos] or return
76 BufferManager.spawn_unless_exists("Full header") do
77 TextMode.new m.raw_header
81 def toggle_detailed_header
82 m = @message_lines[curpos] or return
83 @layout[m].state = (@layout[m].state == :detailed ? :open : :detailed)
88 m = @message_lines[curpos] or return
89 mode = ReplyMode.new m
90 BufferManager.spawn "Reply to #{m.subj}", mode
94 m = @message_lines[curpos] or return
95 mode = ForwardMode.new m
96 BufferManager.spawn "Forward of #{m.subj}", mode
100 include CanAliasContacts
102 p = @person_lines[curpos] or return
108 p = @person_lines[curpos] or return
109 mode = PersonSearchResultsMode.new [p]
110 BufferManager.spawn "search for #{p.name}", mode
111 mode.load_threads :num => mode.buffer.content_height
115 m = @message_lines[curpos] or return
116 if m.has_label? :starred
117 m.remove_label :starred
121 ## TODO: don't recalculate EVERYTHING just to add a stupid little
122 ## star to the display
124 UpdateManager.relay :starred, m
128 chunk = @chunk_lines[curpos] or return
130 when Message, Message::Quote, Message::Signature
132 l.state = (l.state != :closed ? :closed : :open)
133 cursor_down if l.state == :closed
134 when Message::Attachment
135 view_attachment chunk
141 m = @message_lines[curpos] or return
142 mode = ComposeMode.new(:body => m.basic_body_lines, :to => m.to, :cc => m.cc, :subj => m.subj, :bcc => m.bcc)
143 BufferManager.spawn "edit as new", mode
148 chunk = @chunk_lines[curpos] or return
150 when Message::Attachment
151 fn = BufferManager.ask :filename, "Save attachment to file: ", chunk.filename
152 save_to_file(fn) { |f| f.print chunk } if fn
154 m = @message_lines[curpos]
155 fn = BufferManager.ask :filename, "Save message to file: "
156 save_to_file(fn) { |f| f.print m.raw_full_message } if fn
161 m = @message_lines[curpos] or return
163 mode = ResumeMode.new m
164 BufferManager.spawn "Edit message", mode
167 BufferManager.flash "Not a draft message!"
171 def jump_to_first_open
172 m = @message_lines[0] or return
173 if @layout[m].state != :closed
180 def jump_to_next_open
181 m = @message_lines[curpos] or return
182 while nextm = @layout[m].next
183 break if @layout[nextm].state != :closed
186 jump_to_message nextm if nextm
189 def jump_to_prev_open
190 m = @message_lines[curpos] or return
191 ## jump to the top of the current message if we're in the body;
192 ## otherwise, to the previous message
196 while(prevm = @layout[m].prev)
197 break if @layout[prevm].state != :closed
200 jump_to_message prevm if prevm
206 def jump_to_message m
208 left = l.depth * INDENT_SPACES
209 right = left + l.width
211 ## jump to the top line unless both top and bottom fit in the current view
212 jump_to_line l.top unless l.top >= topline && l.top <= botline && l.bot >= topline && l.bot <= botline
214 ## jump to the left columns unless both left and right fit in the current view
215 jump_to_col left unless left >= leftcol && left <= rightcol && right >= leftcol && right <= rightcol
217 ## either way, move the cursor to the first line
221 def expand_all_messages
222 @global_message_state ||= :closed
223 @global_message_state = (@global_message_state == :closed ? :open : :closed)
224 @layout.each { |m, l| l.state = @global_message_state if m.is_a? Message }
228 def collapse_non_new_messages
229 @layout.each { |m, l| l.state = m.has_label?(:unread) ? :open : :closed }
233 def expand_all_quotes
234 if(m = @message_lines[curpos])
235 quotes = m.chunks.select { |c| c.is_a?(Message::Quote) || c.is_a?(Message::Signature) }
236 numopen = quotes.inject(0) { |s, c| s + (@layout[c].state == :open ? 1 : 0) }
237 newstate = numopen > quotes.length / 2 ? :closed : :open
238 quotes.each { |c| @layout[c].state = newstate }
243 ## kinda slow for large threads. TODO: fasterify
245 BufferManager.say "Marking messages as read..." do
246 @thread.each do |m, d, p|
247 if m && m.has_label?(:unread)
248 m.remove_label :unread
249 UpdateManager.relay :read, m
253 @layout = @text = nil
258 def initial_state_for m
259 if m.has_label?(:starred) || m.has_label?(:unread)
268 buffer.mark_dirty if buffer
271 ## here we generate the actual content lines. we accumulate
272 ## everything into @text, and we set @chunk_lines and
273 ## @message_lines, and we update @layout.
281 @thread.each do |m, depth, parent|
282 unless m.is_a? Message # handle nil and :fake_root
283 @text += chunk_to_lines m, nil, @text.length, depth, parent
287 ## we're occasionally called on @threads that have had messages
288 ## added to them since initialization. luckily we regen_text on
289 ## the entire thread every time the user does anything besides
290 ## scrolling (basically), so we can just slap this on here.
292 ## to pick nits, the niceness that i do in the constructor with
293 ## 'latest' etc. (for automatically opening just the latest
294 ## message if everything's been read) will not be valid, but
295 ## that's just a nicety and hopefully this won't happen too
298 l = (@layout[m] ||= Layout.new)
299 l.state ||= initial_state_for m
302 text = chunk_to_lines m, l.state, @text.length, depth, parent
305 l.bot = @text.length + text.length # updated below
309 # l.state we preserve
310 l.width = 0 # updated below
311 @layout[l.prev].next = m if l.prev
313 (0 ... text.length).each do |i|
314 @chunk_lines[@text.length + i] = m
315 @message_lines[@text.length + i] = m
316 lw = text[i].flatten.select { |x| x.is_a? String }.map { |x| x.length }.sum
321 if @layout[m].state != :closed
323 cl = (@layout[c] ||= Layout.new)
325 text = chunk_to_lines c, cl.state, @text.length, depth
326 (0 ... text.length).each do |i|
327 @chunk_lines[@text.length + i] = c
328 @message_lines[@text.length + i] = m
329 lw = text[i].flatten.select { |x| x.is_a? String }.map { |x| x.length }.sum - (depth * INDENT_SPACES)
330 l.width = lw if lw > l.width
334 @layout[m].bot = @text.length
339 def message_patina_lines m, state, start, parent, prefix
340 prefix_widget = [:message_patina_color, prefix]
344 [:message_patina_color, "+ "]
345 when :open, :detailed
346 [:message_patina_color, "- "]
349 if m.has_label?(:starred)
350 [:starred_patina_color, "* "]
352 [:message_patina_color, " "]
357 @person_lines[start] = m.from
358 [[prefix_widget, widget, imp_widget,
359 [:message_patina_color,
360 "#{m.from ? m.from.mediumname : '?'} to #{m.recipients.map { |l| l.shortname }.join(', ')} #{m.date.to_nice_s} (#{m.date.to_nice_distance_s})"]]]
363 @person_lines[start] = m.from
364 [[prefix_widget, widget, imp_widget,
365 [:message_patina_color,
366 "#{m.from ? m.from.mediumname : '?'}, #{m.date.to_nice_s} (#{m.date.to_nice_distance_s}) #{m.snippet}"]]]
369 @person_lines[start] = m.from
370 from = [[prefix_widget, widget, imp_widget, [:message_patina_color, "From: #{m.from ? format_person(m.from) : '?'}"]]]
374 m.to.each_with_index { |p, i| @person_lines[start + rest.length + from.length + i] = p }
375 rest += format_person_list " To: ", m.to
378 m.cc.each_with_index { |p, i| @person_lines[start + rest.length + from.length + i] = p }
379 rest += format_person_list " Cc: ", m.cc
382 m.bcc.each_with_index { |p, i| @person_lines[start + rest.length + from.length + i] = p }
383 rest += format_person_list " Bcc: ", m.bcc
387 " Date: #{m.date.strftime DATE_FORMAT} (#{m.date.to_nice_distance_s})",
388 " Subject: #{m.subj}",
389 (parent ? " In reply to: #{parent.from.mediumname}'s message of #{parent.date.strftime DATE_FORMAT}" : nil),
390 m.labels.empty? ? nil : " Labels: #{m.labels.join(', ')}",
393 from + rest.map { |l| [[:message_patina_color, prefix + " " + l]] }
397 def format_person_list prefix, people
398 ptext = people.map { |p| format_person p }
399 pad = " " * prefix.length
400 [prefix + ptext.first + (ptext.length > 1 ? "," : "")] +
401 ptext[1 .. -1].map_with_index do |e, i|
402 pad + e + (i == ptext.length - 1 ? "" : ",")
407 p.longname + (ContactManager.is_contact?(p) ? " (#{ContactManager.alias_for p})" : "")
410 def chunk_to_lines chunk, state, start, depth, parent=nil
411 prefix = " " * INDENT_SPACES * depth
414 [[[:message_patina_color, "#{prefix}<one or more unreceived messages>"]]]
416 [[[:message_patina_color, "#{prefix}<an unreceived message>"]]]
418 message_patina_lines(chunk, state, start, parent, prefix) +
419 (chunk.is_draft? ? [[[:draft_notification_color, prefix + " >>> This message is a draft. To edit, hit 'e'. <<<"]]] : [])
420 when Message::Attachment
421 [[[:mime_color, "#{prefix}+ MIME attachment #{chunk.content_type}#{chunk.desc ? ' (' + chunk.desc + ')': ''}"]]]
424 if t.last =~ /^\s*$/ && t.length > 1
425 t.pop while t[-2] =~ /^\s*$/ # pop until only one file empty line
427 t.map { |line| [[:none, "#{prefix}#{line}"]] }
431 [[[:quote_patina_color, "#{prefix}+ (#{chunk.lines.length} quoted lines)"]]]
434 [[[:quote_patina_color, "#{prefix}- (#{chunk.lines.length} quoted lines)"]]] +
435 t.map { |line| [[:quote_color, "#{prefix}#{line}"]] }
437 when Message::Signature
440 [[[:sig_patina_color, "#{prefix}+ (#{chunk.lines.length}-line signature)"]]]
443 [[[:sig_patina_color, "#{prefix}- (#{chunk.lines.length}-line signature)"]]] +
444 t.map { |line| [[:sig_color, "#{prefix}#{line}"]] }
447 raise "unknown chunk type #{chunk.class.name}"
451 def view_attachment a
452 BufferManager.flash "viewing #{a.content_type} attachment..."
454 BufferManager.erase_flash
455 BufferManager.completely_redraw_screen