1 files changed, 430 insertions, 0 deletions
diff --git a/ruby_1_8_6/ext/tk/sample/tkextlib/treectrl/explorer.rb b/ruby_1_8_6/ext/tk/sample/tkextlib/treectrl/explorer.rb
new file mode 100644
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+++ b/ruby_1_8_6/ext/tk/sample/tkextlib/treectrl/explorer.rb
@@ -0,0 +1,430 @@
+
+def demoExplorerAux(t, dir_proc, file_proc)
+  base_dir = File.dirname(File.dirname(@ScriptDir))
+
+  clicks = Tk::Clock.clicks
+  globDirs = Dir.glob(File.join(base_dir, '*')).find_all{|file|
+    FileTest.directory?(file)
+  }
+  clickGlobDirs = Tk::Clock.clicks - clicks
+
+  clicks = Tk::Clock.clicks
+  list = globDirs.sort
+  clickSortDirs = Tk::Clock.clicks - clicks
+
+  clicks = Tk::Clock.clicks
+  list.each{|file| dir_proc.call(file)}
+  clickAddDirs = Tk::Clock.clicks - clicks
+
+  clicks = Tk::Clock.clicks
+  globFiles = Dir.glob(File.join(base_dir, '*')).find_all{|file|
+    FileTest.file?(file)
+  }
+  clickGlobFiles = Tk::Clock.clicks - clicks
+
+  clicks = Tk::Clock.clicks
+  list = globFiles.sort
+  clickSortFiles = Tk::Clock.clicks - clicks
+
+  clicks = Tk::Clock.clicks
+  list.each{|file| file_proc.call(file)}
+  clickAddFiles = Tk::Clock.clicks - clicks
+
+  gd = '%.2g' % (clickGlobDirs / 1000000.0)
+  sd = '%.2g' % (clickSortDirs / 1000000.0)
+  ad = '%.2g' % (clickAddDirs  / 1000000.0)
+  gf = '%.2g' % (clickGlobFiles / 1000000.0)
+  sf = '%.2g' % (clickSortFiles / 1000000.0)
+  af = '%.2g' % (clickAddFiles  / 1000000.0)
+
+  puts "dirs(#{globDirs.length}) glob/sort/add #{gd}/#{sd}/#{ad}    files(#{globFiles.length}) glob/sort/add #{gf}/#{sf}/#{af}"
+
+  @Priv[:DirCnt, t] = globDirs.length
+end
+
+#
+# Demo: explorer files
+#
+def demoExplorerDetails(t)
+  height = t.font.metrics(:linespace)
+  height = 18 if height < 18
+
+  t.configure(:showroot=>false, :showbuttons=>false, :showlines=>false, 
+              :itemheight=>height, :selectmode=>:extended, 
+              :xscrollincrement=>20, :scrollmargin=>16, 
+              :xscrolldelay=>[500, 50], :yscrolldelay=>[500, 50])
+
+  init_pics('small-*')
+
+  if $HasColumnCreate
+    t.column_create(:text=>'Name', :tag=>'name', 
+                    :width=>200, :arrow=>:up, :arrowpad=>6)
+    t.column_create(:text=>'Size', :tag=>'size', :justify=>:right, 
+                    :width=>60, :arrowside=>:left, :arrowgravity=>:right)
+    t.column_create(:text=>'Type', :tag=>'type', :width=>120)
+    t.column_create(:text=>'Modified', :tag=>'modified', :width=>130)
+  else
+    t.column_configure(0, :text=>'Name', :tag=>'name', 
+                       :width=>200, :arrow=>:up, :arrowpad=>6)
+    t.column_configure(1, :text=>'Size', :tag=>'size', :justify=>:right, 
+                       :width=>60, :arrowside=>:left, :arrowgravity=>:right)
+    t.column_configure(2, :text=>'Type', :tag=>'type', :width=>120)
+    t.column_configure(3, :text=>'Modified', :tag=>'modified', :width=>130)
+  end
+
+  t.element_create('e1', :image, 
+                   :image=>[
+                     @sel_images['small-folder'], ['selected'], 
+                     @images['small-folder'], []
+                   ])
+  t.element_create('e2', :text, :lines=>1, 
+                   :fill=>[@SystemHighlightText, ['selected', 'focus']])
+  t.element_create('txtType', :text, :lines=>1)
+  t.element_create('txtSize', :text, :lines=>1, 
+                   :datatype=>:integer, :format=>'%dKB')
+  t.element_create('txtDate', :text, :lines=>1, 
+                   :datatype=>:time, :format=>'%d/%m/%y %I:%M %p')
+  t.element_create('e4', :rect, :showfocus=>true,
+                   :fill=>[
+                     @SystemHighlight, ['selected', 'focus'], 
+                     'gray', ['selected', '!focus']
+                   ])
+
+  # image + text
+  s = t.style_create('styName', :orient=>:horizontal)
+  t.style_elements(s, ['e4', 'e1', 'e2'])
+  t.style_layout(s, 'e1', :expand=>:ns)
+  t.style_layout(s, 'e2', :padx=>[2,0], :squeeze=>:x, :expand=>:ns)
+  t.style_layout(s, 'e4', :union=>['e2'], :iexpand=>:ns, :ipadx=>2)
+
+  # column 1: text
+  s = t.style_create('stySize')
+  t.style_elements(s, ['txtSize'])
+  t.style_layout(s, 'txtSize', :padx=>6, :squeeze=>:x, :expand=>:ns)
+
+  # column 2: text
+  s = t.style_create('styType')
+  t.style_elements(s, ['txtType'])
+  t.style_layout(s, 'txtType', :padx=>6, :squeeze=>:x, :expand=>:ns)
+
+  # column 3: text
+  s = t.style_create('styDate')
+  t.style_elements(s, ['txtDate'])
+  t.style_layout(s, 'txtDate', :padx=>6, :squeeze=>:x, :expand=>:ns)
+
+  @Priv[:edit, t] = ['e2']
+  @Priv[:sensitive, t] = [ ['name', 'styName', 'e1', 'e2'] ]
+  @Priv[:dragimage, t] = [ ['name', 'styName', 'e1', 'e2'] ]
+
+  t.notify_bind(t, 'Edit-accept', 
+                proc{|w, i, tt| w.item_text(i, 0, tt)}, '%T %I %t')
+
+  dir_proc = proc{|file|
+    item = t.item_create
+    t.item_style_set(item, 0, 'styName', 2, 'styType', 3, 'styDate')
+    t.item_complex(item, 
+                   [['e2', {:text=>File.basename(file)}]], 
+                   [], 
+                   [['txtType', {:text=>'Folder'}]], 
+                   [['txtDate', {:data=>File.mtime(file).tv_sec}]])
+    t.item_lastchild(:root, item)
+  }
+
+  file_proc = proc{|file|
+    item = t.item_create
+    t.item_style_set(item, 0, 'styName', 1, 'stySize', 
+                           2, 'styType', 3, 'styDate')
+
+    ext = File.extname(file)
+    case ext
+    when '.dll'
+      img = 'small-dll'
+    when '.exe'
+      img = 'small-exe'
+    when '.txt'
+      img = 'small-txt'
+    else
+      img = 'small-file'
+    end
+
+    type = ext.upcase
+    type = type[1..-1] << ' ' unless type.empty?
+    type << 'File'
+
+    t.item_complex(item, 
+                   [ 
+                     ['e1', {:image=>[@sel_images[img], ['selected'], 
+                                      @images[img], []]}],
+                     ['e2', {:text=>File.basename(file)}]
+                   ], 
+                   [ ['txtSize', {:data=>File.size(file)/1024 + 1}] ], 
+                   [ ['txtType', {:text=>type}] ], 
+                   [ ['txtDate', {:data=>File.mtime(file).tv_sec}] ]
+                   )
+    t.item_lastchild(:root, item)
+  }
+
+  demoExplorerAux(t, dir_proc, file_proc)
+
+  @SortColumn = 0
+  t.notify_bind(t, 'Header-invoke', 
+                proc{|w, c| explorerHeaderInvoke(t, w, c)}, '%T %C')
+
+  t.bindtags = [ t, 'TreeCtrlFileList', Tk::TreeCtrl, t.winfo_toplevel, :all ]
+end
+
+def explorerHeaderInvoke(t, w, c)
+  if (c == @SortColumn)
+    if t.column_cget(@SortColumn, :arrow) == 'down'
+      order = :increasing
+      arrow = :up
+    else
+      order = :decreasing
+      arrow = :down
+    end
+  else
+    if t.column_cget(@SortColumn, :arrow) == 'down'
+      order = :decreasing
+      arrow = :down
+    else
+      order = :increasing
+      arrow = :up
+    end
+    t.column_configure(@SortColumn, :arrow=>:none)
+    @SortColumn = c
+  end
+
+  t.column_configure(c, :arrow=>arrow)
+  dirCount = TkComm.number(@Priv[:DirCnt, t])
+  lastDir = dirCount - 1
+  case t.column_cget(c, :tag)
+  when 'name'
+    if dirCount > 0
+      t.item_sort(:root, order, {:last=>"root child #{lastDir}"}, 
+                  {:column=>c, :dictionary=>true})
+    end
+    if dirCount < t.numitems - 1
+      t.item_sort(:root, order, {:first=>"root child #{dirCount}"}, 
+                  {:column=>c, :dictionary=>true})
+    end
+
+  when 'size'
+    if dirCount < t.numitems - 1
+      t.item_sort(:root, order, {:first=>"root child #{dirCount}"}, 
+                  {:column=>c, :integer=>true}, 
+                  {:column=>'name', :dictionary=>true})
+    end
+
+  when 'type'
+    if dirCount < t.numitems - 1
+      t.item_sort(:root, order, {:first=>"root child #{dirCount}"}, 
+                  {:column=>c, :dictionary=>true}, 
+                  {:column=>'name', :dictionary=>true})
+    end
+
+  when 'modified'
+    if dirCount > 0
+      t.item_sort(:root, order, {:last=>"root child #{lastDir}"}, 
+                  {:column=>c, :integer=>true}, 
+                  {:column=>'name', :dictionary=>true})
+    end
+    if dirCount < t.numitems - 1
+      t.item_sort(:root, order, {:first=>"root child #{dirCount}"}, 
+                  {:column=>c, :integer=>true}, 
+                  {:column=>'name', :dictionary=>true})
+    end
+
+  end
+end
+
+def demoExplorerLargeIcons(t)
+  # Item height is 32 for icon, 4 padding, 3 lines of text
+  itemHeight = 32 + 4 + t.font.metrics(:linespace) * 3
+
+  t.configure(:showroot=>false, :showbuttons=>false, :showlines=>false, 
+              :selectmode=>:extended, :wrap=>:window, :orient=>:horizontal, 
+              :itemheight=>itemHeight, :showheader=>false, :scrollmargin=>16, 
+              :xscrolldelay=>[500, 50], :yscrolldelay=>[500, 50])
+
+  init_pics('big-*')
+
+  if $HasColumnCreate
+    t.column_create(:width=>75)
+  else
+    t.column_configure(0, :width=>75)
+  end
+
+  t.element_create('elemImg', :image, 
+                   :image=>[
+                     @sel_images['big-folder'], ['selected'], 
+                     @images['big-folder'], []
+                   ])
+  t.element_create('elemTxt', :text, :justify=>:center, 
+                   :lines=>1, :width=>71, :wrap=>:word, 
+                   :fill=>[@SystemHighlightText, ['selected', 'focus']])
+  t.element_create('elemSel', :rect, :showfocus=>true, 
+                   :fill=>[
+                     @SystemHighlight, ['selected', 'focus'], 
+                     'gray', ['selected']
+                   ])
+
+  # image + text
+  s = t.style_create('STYLE', :orient=>:vertical)
+  t.style_elements(s, ['elemSel', 'elemImg', 'elemTxt'])
+  t.style_layout(s, 'elemImg', :expand=>:we)
+  t.style_layout(s, 'elemTxt', 
+                 :pady=>[4,0], :padx=>2, :squeeze=>:x, :expand=>:we)
+  t.style_layout(s, 'elemSel', :union=>['elemTxt'])
+
+  @Priv[:edit, t] = ['elemTxt']
+  @Priv[:sensitive, t] = [ [0, 'STYLE', 'elemImg', 'elemTxt'] ]
+  @Priv[:dragimage, t] = [ [0, 'STYLE', 'elemImg', 'elemTxt'] ]
+
+  t.notify_bind(t, 'Edit-accept', 
+                proc{|w, i, tt| w.item_text(i, 0, tt)}, '%T %I %t')
+
+  dir_proc = proc{|file|
+    item = t.item_create
+    t.item_style_set(item, 0, 'STYLE')
+    t.item_text(item, 0, File.basename(file))
+    t.item_lastchild(:root, item)
+  }
+
+  file_proc = proc{|file|
+    item = t.item_create
+    t.item_style_set(item, 0, 'STYLE')
+
+    ext = File.extname(file)
+    case ext
+    when '.dll'
+      img = 'big-dll'
+    when '.exe'
+      img = 'big-exe'
+    when '.txt'
+      img = 'big-txt'
+    else
+      img = 'big-file'
+    end
+
+    type = ext.upcase
+    type = type[1..-1] << ' ' unless type.empty?
+    type << 'File'
+
+    t.item_complex(item, 
+                   [ 
+                     ['elemImg', {:image=>[@sel_images[img], ['selected'], 
+                                           @images[img], []]}],
+                     ['elemTxt', {:text=>File.basename(file)}]
+                   ])
+    t.item_lastchild(:root, item)
+  }
+
+  demoExplorerAux(t, dir_proc, file_proc)
+
+  t.activate(t.index('root firstchild'))
+
+  t.notify_bind(t, 'ActiveItem', 
+                proc{|w, a, c|
+                  w.item_element_configure(a, 0, 'elemTxt', :lines=>'')
+                  w.item_element_configure(c, 0, 'elemTxt', :lines=>3)
+                }, '%T %p %c')
+
+  t.bindtags = [ t, 'TreeCtrlFileList', Tk::TreeCtrl, t.winfo_toplevel, :all ]
+end
+
+# Tree is horizontal, wrapping occurs at right edge of window, each item
+# is as wide as the smallest needed multiple of 110 pixels
+def demoExplorerSmallIcons(t)
+  demoExplorerList(t)
+  t.configure(:orient=>:horizontal, :xscrollincrement=>0)
+  t.column_configure(0, :width=>'', :stepwidth=>110, :widthhack=>false)
+end
+
+# Tree is vertical, wrapping occurs at bottom of window, each range has the
+# same width (as wide as the longest item), xscrollincrement is by range
+def demoExplorerList(t)
+  height = t.font.metrics(:linespace) + 2
+  height = 18 if height < 18
+
+  t.configure(:showroot=>false, :showbuttons=>false, :showlines=>false, 
+              :itemheight=>height, :selectmode=>:extended, :wrap=>:window, 
+              :showheader=>false, :scrollmargin=>16, 
+              :xscrolldelay=>[500, 50], :yscrolldelay=>[500, 50])
+
+  init_pics('small-*')
+
+  if $HasColumnCreate
+    t.column_create(:widthhack=>true)
+  else
+    t.column_configure(0, :widthhack=>true)
+  end
+
+  t.element_create('elemImg', :image, 
+                   :image=>[
+                     @sel_images['small-folder'], ['selected'], 
+                     @images['small-folder'], []
+                   ])
+  t.element_create('elemTxt', :text, :lines=>1, 
+                   :fill=>[@SystemHighlightText, ['selected', 'focus']])
+  t.element_create('elemSel', :rect, :showfocus=>true, 
+                   :fill=>[
+                     @SystemHighlight, ['selected', 'focus'], 
+                     'gray', ['selected', '!focus']
+                   ])
+
+  # image + text
+  s = t.style_create('STYLE')
+  t.style_elements(s, ['elemSel', 'elemImg', 'elemTxt'])
+  t.style_layout(s, 'elemImg', :expand=>:ns)
+  t.style_layout(s, 'elemTxt', :squeeze=>:x, :expand=>:ns, :padx=>[2,0])
+  t.style_layout(s, 'elemSel', :union=>['elemTxt'], :iexpand=>:ns, :ipadx=>2)
+
+  @Priv[:edit, t] = ['elemTxt']
+  @Priv[:sensitive, t] = [ [0, 'STYLE', 'elemImg', 'elemTxt'] ]
+  @Priv[:dragimage, t] = [ [0, 'STYLE', 'elemImg', 'elemTxt'] ]
+
+  t.notify_bind(t, 'Edit-accept', 
+                proc{|w, i, tt| w.item_text(i, 0, tt)}, '%T %I %t')
+
+  dir_proc = proc{|file|
+    item = t.item_create
+    t.item_style_set(item, 0, 'STYLE')
+    t.item_text(item, 0, File.basename(file))
+    t.item_lastchild(:root, item)
+  }
+
+  file_proc = proc{|file|
+    item = t.item_create
+    t.item_style_set(item, 0, 'STYLE')
+
+    ext = File.extname(file)
+    case ext
+    when '.dll'
+      img = 'small-dll'
+    when '.exe'
+      img = 'small-exe'
+    when '.txt'
+      img = 'small-txt'
+    else
+      img = 'small-file'
+    end
+
+    type = ext.upcase
+    type = type[1..-1] << ' ' unless type.empty?
+    type << 'File'
+
+    t.item_complex(item, 
+                   [ 
+                     ['elemImg', {:image=>[@sel_images[img], ['selected'], 
+                                           @images[img], []]}],
+                     ['elemTxt', {:text=>File.basename(file)}]
+                   ])
+    t.item_lastchild(:root, item)
+  }
+
+  demoExplorerAux(t, dir_proc, file_proc)
+
+  t.activate(t.item_firstchild(:root))
+
+  t.bindtags = [ t, 'TreeCtrlFileList', Tk::TreeCtrl, t.winfo_toplevel, :all ]
+end