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-rw-r--r--ruby_1_8_5/ext/tk/sample/tkextlib/treectrl/outlook-newgroup.rb448
1 files changed, 448 insertions, 0 deletions
diff --git a/ruby_1_8_5/ext/tk/sample/tkextlib/treectrl/outlook-newgroup.rb b/ruby_1_8_5/ext/tk/sample/tkextlib/treectrl/outlook-newgroup.rb
new file mode 100644
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+++ b/ruby_1_8_5/ext/tk/sample/tkextlib/treectrl/outlook-newgroup.rb
@@ -0,0 +1,448 @@
+#
+# Demo: Outlook Express newsgroup messages
+#
+def demoOutlookNewsgroup(t)
+ init_pics('outlook-*')
+
+ height = t.font.metrics(:linespace)
+ height = 18 if height < 18
+ t.configure(:itemheight=>height, :selectmode=>:browse, :showlines=>false,
+ :showroot=>false, :showrootbutton=>false, :showbuttons=>true)
+
+ if $Version_1_1_OrLater
+ t.column_create(:image=>@images['outlook-clip'], :tag=>'clip')
+ t.column_create(:image=>@images['outlook-arrow'], :tag=>'arrow')
+ t.column_create(:image=>@images['outlook-watch'], :tag=>'watch')
+ t.column_create(:text=>'Subject', :width=>250, :tag=>'subject')
+ t.column_create(:text=>'From', :width=>150, :tag=>'from')
+ t.column_create(:text=>'Sent', :width=>150, :tag=>'sent')
+ t.column_create(:text=>'Size', :width=>60, :justify=>:right, :tag=>'size')
+ else # TreeCtrl 1.0
+ t.column_configure(0, :image=>@images['outlook-clip'], :tag=>'clip')
+ t.column_configure(1, :image=>@images['outlook-arrow'], :tag=>'arrow')
+ t.column_configure(2, :image=>@images['outlook-watch'], :tag=>'watch')
+ t.column_configure(3, :text=>'Subject', :width=>250, :tag=>'subject')
+ t.column_configure(4, :text=>'From', :width=>150, :tag=>'from')
+ t.column_configure(5, :text=>'Sent', :width=>150, :tag=>'sent')
+ t.column_configure(6, :text=>'Size', :width=>60, :justify=>:right,
+ :tag=>'size')
+ end
+
+ # Would be nice if I could specify a column -tag too
+ t.treecolumn = 3
+
+ # State for a read message
+ t.state_define('read')
+
+ # State for a message with unread descendants
+ t.state_define('unread')
+
+ t.element_create('elemImg', :image,
+ :image=>[
+ @sel_images['outlook-read-2'],
+ ['selected', 'read', 'unread', '!open'],
+ @images['outlook-read-2'], ['read', 'unread', '!open'],
+ @sel_images['outlook-read'], ['selected', 'read'],
+ @images['outlook-read'], ['read'],
+ @sel_images['outlook-unread'], ['selected'],
+ @images['outlook-unread'], []
+ ])
+ t.element_create('elemTxt', :text, :lines=>1,
+ :fill=>[@SystemHighlightText, ['selected', 'focus']],
+ :font=>[
+ t.font.dup.weight(:bold), ['read', 'unread', '!open'],
+ t.font.dup.weight(:bold), ['!read']
+ ])
+ t.element_create('sel.e', :rect, :open=>:e, :showfocus=>true,
+ :fill=>[
+ @SystemHighlight, ['selected', 'focus'],
+ 'gray', ['selected', '!focus']
+ ])
+ t.element_create('sel.w', :rect, :open=>:w, :showfocus=>true,
+ :fill=>[
+ @SystemHighlight, ['selected', 'focus'],
+ 'gray', ['selected', '!focus']
+ ])
+ t.element_create('sel.we', :rect, :open=>:we, :showfocus=>true,
+ :fill=>[
+ @SystemHighlight, ['selected', 'focus'],
+ 'gray', ['selected', '!focus']
+ ])
+
+ # Image + text
+ s = t.style_create('s1')
+ t.style_elements(s, ['sel.e', 'elemImg', 'elemTxt'])
+ t.style_layout(s, 'elemImg', :expand=>:ns)
+ t.style_layout(s, 'elemTxt', :padx=>[2,6], :squeeze=>:x, :expand=>:ns)
+ t.style_layout(s, 'sel.e', :union=>['elemTxt'],
+ :iexpand=>:nes, :ipadx=>[2,0])
+
+ # Text
+ s = t.style_create('s2.we')
+ t.style_elements(s, ['sel.we', 'elemTxt'])
+ t.style_layout(s, 'elemTxt', :padx=>6, :squeeze=>:x, :expand=>:ns)
+ t.style_layout(s, 'sel.we', :detach=>true, :iexpand=>:es)
+
+ # Text
+ s = t.style_create('s2.w')
+ t.style_elements(s, ['sel.w', 'elemTxt'])
+ t.style_layout(s, 'elemTxt', :padx=>6, :squeeze=>:x, :expand=>:ns)
+ t.style_layout(s, 'sel.w', :detach=>true, :iexpand=>:es)
+
+ # Set default item style
+ if $Version_1_1_OrLater
+ t.defaultstyle = ['', '', '', 's1', 's2.we', 's2.we', 's2.w']
+ end
+
+ msgCnt = 100
+ thread = 0
+
+ @Message = Hash.new{|k, v| k[v] = Hash.new}
+ @Message[:count][0] = 0
+
+ items = [t.index(:root)]
+
+ (1...(msgCnt)).each{|i|
+ item_i = t.item_create
+ item_j = nil
+ j = nil
+ loop {
+ j = rand(i)
+ item_j = items[j]
+ break if j == 0
+ next if t.depth(item_j) == 5
+ next if @Message[:count][@Message[:thread][item_j]] == 15
+ break
+ }
+ t.item_lastchild(item_j, item_i)
+
+ @Message[:read][item_i] = (rand(2) == 0)
+ if j == 0
+ thread += 1
+ @Message[:thread][item_i] = thread
+ @Message[:seconds][item_i] = (Tk::Clock.seconds - rand(500000))
+ @Message[:seconds2][item_i] = @Message[:seconds][item_i]
+ @Message[:count][thread] = 1
+ else
+ @Message[:thread][item_i] = @Message[:thread][item_j]
+ @Message[:seconds][item_i] = (@Message[:seconds2][item_j] + rand(10000))
+ @Message[:seconds2][item_i] = @Message[:seconds][item_i]
+ @Message[:seconds2][item_j] = @Message[:seconds][item_i]
+ @Message[:count][@Message[:thread][item_j]] += 1
+ end
+ items << item_i
+ }
+
+ (1...(msgCnt)).each{|i|
+ item_i = items[i]
+ subject = "This is thread number #{@Message[:thread][item_i]}"
+ from = 'somebody@somewhere.net'
+ sent = Tk::Clock.format(@Message[:seconds][item_i], "%d/%m/%y %I:%M %p")
+ size = "#{1 + rand(10)}KB"
+
+ # This message has been read
+ t.item_state_set(item_i, 'read') if @Message[:read][item_i]
+
+ # This message has unread descendants
+ t.item_state_set(item_i, 'unread') if anyUnreadDescendants(t, item_i)
+
+ if t.item_numchildren(item_i) > 0
+ if $Version_1_1_OrLater
+ t.item_configure(item_i, :button=>true)
+ else # TreeCtrl 1.0
+ t.item_hasbutton(item_i, true)
+ end
+
+ # Collapse some messages
+ if $Version_1_1_OrLater
+ t.item_collapse(item_i) if rand(2) == 0
+ else # TreeCtrl 1.0
+ t.collapse(item_i) if rand(2) == 0
+ end
+ end
+
+ unless $Version_1_1_OrLater
+ t.item_style_set(item_i, 3, 's1', 4, 's2.we', 5, 's2.we', 6, 's2.w')
+ end
+ t.item_text(item_i, 3, subject, 4, from, 5, sent, 6, size)
+ }
+
+ # Do something when the selection changes
+ t.notify_bind(t, 'Selection',
+ proc{|w|
+ if w.selection_count == 1
+ # One item is selected
+ if @Message[:afterId][:id]
+ Tk.after_cancel(@Message[:afterId][:id])
+ end
+ @Message[:afterId][:item] = w.selection_get[0]
+ @Message[:afterId][:id] = Tk.after(500, proc{
+ messageReadDelayed(w)
+ })
+ end
+ }, '%T')
+end
+
+def messageReadDelayed(t)
+ @Message[:afterId].delete(:id)
+ i = @Message[:afterId][:item]
+ return unless t.selection_includes(i)
+
+ # This message is not read
+ unless @Message[:read][i]
+ # Read the message
+ t.item_state_set(i, 'read')
+ @Message[:read][i] = true
+
+ # Check ancestors (except root)
+ t.item_ancestors(i)[0..-2].each{|i2|
+ # This ancestor has no more unread descendants
+ t.item_state_set(i2, '!unread') unless anyUnreadDescendants(t, i2)
+ }
+ end
+end
+
+# Alternate implementation which does not rely on run-time states
+def demoOutlookNewsgroup2(t)
+ init_pics('outlook-*')
+
+ height = t.font.metrics(:linespace)
+ height = 18 if height < 18
+ t.configure(:itemheight=>height, :selectmode=>:browse, :showlines=>false,
+ :showroot=>false, :showrootbutton=>false, :showbuttons=>true)
+
+ if $Version_1_1_OrLater
+ t.column_create(:image=>@images['outlook-clip'], :tag=>'clip')
+ t.column_create(:image=>@images['outlook-arrow'], :tag=>'arrow')
+ t.column_create(:image=>@images['outlook-watch'], :tag=>'watch')
+ t.column_create(:text=>'Subject', :width=>250, :tag=>'subject')
+ t.column_create(:text=>'From', :width=>150, :tag=>'from')
+ t.column_create(:text=>'Sent', :width=>150, :tag=>'sent')
+ t.column_create(:text=>'Size', :width=>60, :justify=>:right, :tag=>'size')
+ else # TreeCtrl 1.0
+ t.column_configure(0, :image=>@images['outlook-clip'], :tag=>'clip')
+ t.column_configure(1, :image=>@images['outlook-arrow'], :tag=>'arrow')
+ t.column_configure(2, :image=>@images['outlook-watch'], :tag=>'watch')
+ t.column_configure(3, :text=>'Subject', :width=>250, :tag=>'subject')
+ t.column_configure(4, :text=>'From', :width=>150, :tag=>'from')
+ t.column_configure(5, :text=>'Sent', :width=>150, :tag=>'sent')
+ t.column_configure(6, :text=>'Size', :width=>60, :justify=>:right,
+ :tag=>'size')
+ end
+
+ t.treecolumn = 3
+
+ t.element_create('image.unread', :image, :image=>@images['outlook-unread'])
+ t.element_create('image.read', :image, :image=>@images['outlook-read'])
+ t.element_create('image.read2', :image, :image=>@images['outlook-read-2'])
+ t.element_create('text.read', :text, :lines=>1,
+ :fill=>[@SystemHighlightText, ['selected', 'focus']])
+ t.element_create('text.unread', :text, :lines=>1,
+ :fill=>[@SystemHighlightText, ['selected', 'focus']],
+ :font=>t.font.dup.weight(:bold))
+ t.element_create('sel.e', :rect, :open=>:e, :showfocus=>true,
+ :fill=>[
+ @SystemHighlight, ['selected', 'focus'],
+ 'gray', ['selected', '!focus']
+ ])
+ t.element_create('sel.w', :rect, :open=>:w, :showfocus=>true,
+ :fill=>[
+ @SystemHighlight, ['selected', 'focus'],
+ 'gray', ['selected', '!focus']
+ ])
+ t.element_create('sel.we', :rect, :open=>:we, :showfocus=>true,
+ :fill=>[
+ @SystemHighlight, ['selected', 'focus'],
+ 'gray', ['selected', '!focus']
+ ])
+
+ # Image + text
+ s = t.style_create('unread')
+ t.style_elements(s, ['sel.e', 'image.unread', 'text.unread'])
+ t.style_layout(s, 'image.unread', :expand=>:ns)
+ t.style_layout(s, 'text.unread', :padx=>[2,6], :squeeze=>:x, :expand=>:ns)
+ t.style_layout(s, 'sel.e', :union=>['text.unread'],
+ :iexpand=>:nes, :ipadx=>[2,0])
+
+ # Image + text
+ s = t.style_create('read')
+ t.style_elements(s, ['sel.e', 'image.read', 'text.read'])
+ t.style_layout(s, 'image.read', :expand=>:ns)
+ t.style_layout(s, 'text.read', :padx=>[2,6], :squeeze=>:x, :expand=>:ns)
+ t.style_layout(s, 'sel.e', :union=>['text.read'],
+ :iexpand=>:nes, :ipadx=>[2,0])
+
+ # Image + text
+ s = t.style_create('read2')
+ t.style_elements(s, ['sel.e', 'image.read2', 'text.unread'])
+ t.style_layout(s, 'image.read2', :expand=>:ns)
+ t.style_layout(s, 'text.unread', :padx=>[2,6], :squeeze=>:x, :expand=>:ns)
+ t.style_layout(s, 'sel.e', :union=>['text.unread'],
+ :iexpand=>:nes, :ipadx=>[2,0])
+
+ # Text
+ s = t.style_create('unread.we')
+ t.style_elements(s, ['sel.we', 'text.unread'])
+ t.style_layout(s, 'text.unread', :padx=>6, :squeeze=>:x, :expand=>:ns)
+ t.style_layout(s, 'sel.we', :detach=>true, :iexpand=>:es)
+
+ # Text
+ s = t.style_create('read.we')
+ t.style_elements(s, ['sel.we', 'text.read'])
+ t.style_layout(s, 'text.read', :padx=>6, :squeeze=>:x, :expand=>:ns)
+ t.style_layout(s, 'sel.we', :detach=>true, :iexpand=>:es)
+
+ # Text
+ s = t.style_create('unread.w')
+ t.style_elements(s, ['sel.w', 'text.unread'])
+ t.style_layout(s, 'text.unread', :padx=>6, :squeeze=>:x, :expand=>:ns)
+ t.style_layout(s, 'sel.w', :detach=>true, :iexpand=>:es)
+
+ # Text
+ s = t.style_create('read.w')
+ t.style_elements(s, ['sel.w', 'text.read'])
+ t.style_layout(s, 'text.read', :padx=>6, :squeeze=>:x, :expand=>:ns)
+ t.style_layout(s, 'sel.w', :detach=>true, :iexpand=>:es)
+
+ msgCnt = 100
+ thread = 0
+
+ @Message = Hash.new{|k, v| k[v] = Hash.new}
+ @Message[:count][0] = 0
+
+ (1...(msgCnt)).each{|i|
+ t.item_create
+ j = nil
+ loop {
+ j = rand(i)
+ break if j == 0
+ next if t.depth(j) == 5
+ next if @Message[:count][@Message[:thread][j]] == 15
+ break
+ }
+ t.item_lastchild(j, i)
+
+ @Message[:read][i] = (rand(2) == 0)
+ if j == 0
+ thread += 1
+ @Message[:thread][i] = thread
+ @Message[:seconds][i] = (Tk::Clock.seconds - rand(500000))
+ @Message[:seconds2][i] = @Message[:seconds][i]
+ @Message[:count][thread] = 1
+ else
+ @Message[:thread][i] = @Message[:thread][j]
+ @Message[:seconds][i] = (@Message[:seconds2][j] + rand(10000))
+ @Message[:seconds2][i] = @Message[:seconds][i]
+ @Message[:seconds2][j] = @Message[:seconds][i]
+ @Message[:count][@Message[:thread][j]] += 1
+ end
+ }
+
+ (1...(msgCnt)).each{|i|
+ subject = "This is thread number #{@Message[:thread][i]}"
+ from = 'somebody@somewhere.net'
+ sent = Tk::Clock.format(@Message[:seconds][i], "%d/%m/%y %I:%M %p")
+ size = "#{1 + rand(10)}KB"
+ if @Message[:read][i]
+ style = 'read'
+ style2 = 'read2'
+ else
+ style = 'unread'
+ style2 = 'unread2'
+ end
+ t.item_style_set(i, 3, style, 4, "#{style2}.we", 5, "#{style2}.we",
+ 6, "#{style2}.w")
+ t.item_text(i, 3, subject, 4, from, 5, sent, 6, size)
+ if t.item_numchildren(i) > 0
+ t.item_configure(item_i, :button=>true)
+ end
+ }
+
+ # Do something when the selection changes
+ t.notify_bind(t, 'Selection',
+ proc{|w|
+ if w.selection_count == 1
+ i = t.selection_get[0]
+ unless @Message[:read][i]
+ if t.item_isopen(i) || !anyUnreadDescendants(t, i)
+ # unread -> read
+ t.item_style_map(i, 'subject', 'read',
+ ['text.unread', 'text.read'])
+ t.item_style_map(i, 'from', 'read.we',
+ ['text.unread', 'text.read'])
+ t.item_style_map(i, 'sent', 'read.we',
+ ['text.unread', 'text.read'])
+ t.item_style_map(i, 'size', 'read.w',
+ ['text.unread', 'text.read'])
+ else
+ # unread -> read2
+ t.item_style_map(i, 'subject', 'read2',
+ ['text.unread', 'text.unread'])
+ end
+
+ @Message[:read][i] = true
+ @display_styles_in_item.call(i)
+ end
+ end
+ }, '%T')
+
+ t.notify_bind(t, 'Expand-after',
+ proc{|w, i|
+ if @Messge[:read][i] && anyUnreadDescendants(t, i)
+ # read2 -> read
+ t.item_style_map(i, 'subject', 'read',
+ ['text.unread', 'text.read'])
+ # unread -> read
+ t.item_style_map(i, 'from', 'read.we',
+ ['text.unread', 'text.read'])
+ t.item_style_map(i, 'sent', 'read.we',
+ ['text.unread', 'text.read'])
+ t.item_style_map(i, 'size', 'read.w',
+ ['text.unread', 'text.read'])
+ end
+ }, '%T %I')
+
+ t.notify_bind(t, 'Collapse-after',
+ proc{|w, i|
+ if @Messge[:read][i] && anyUnreadDescendants(t, i)
+ # read -> read2
+ t.item_style_map(i, 'subject', 'read2',
+ ['text.read', 'text.unread'])
+ # read -> unread
+ t.item_style_map(i, 'from', 'unread.we',
+ ['text.read', 'text.unread'])
+ t.item_style_map(i, 'sent', 'unread.we',
+ ['text.read', 'text.unread'])
+ t.item_style_map(i, 'size', 'unread.w',
+ ['text.read', 'text.unread'])
+ end
+ }, '%T %I')
+
+ (1...(msgCnt)).each{|i|
+ if rand(2) == 0
+ if t.item_numchildren(i) > 0
+ if $Version_1_1_OrLater
+ t.item_collapse(i)
+ else # TreeCtrl 1.0
+ t.collapse(i)
+ end
+ end
+ end
+ }
+end
+
+def anyUnreadDescendants(t, i)
+ itemList = []
+ item = t.item_firstchild(i)
+ itemList.push(item) if item != ''
+
+ while item = itemList.pop
+ return true unless @Message[:read][item]
+
+ item2 = t.item_nextsibling(item)
+ itemList.push(item2) if item2 != ''
+ item2 = t.item_firstchild(item)
+ itemList.push(item2) if item2 != ''
+ end
+ false
+end
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