187 lines
7.4 KiB
Ruby
187 lines
7.4 KiB
Ruby
#
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# menus widget demo (called by 'widget')
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#
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# toplevel widget
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if defined?($menu_demo) && $menu_demo
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$menu_demo.destroy
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$menu_demo = nil
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end
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# demo toplevel widget
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$menu_demo = TkToplevel.new {|w|
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title("File Selection Dialogs")
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iconname("menu")
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positionWindow(w)
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}
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# menu frame
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$menu_frame = TkFrame.new($menu_demo, 'relief'=>'raised', 'bd'=>2)
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$menu_frame.pack('side'=>'top', 'fill'=>'x')
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# label
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TkLabel.new($menu_demo,'font'=>$font,'wraplength'=>'4i','justify'=>'left') {
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if $tk_platform['platform'] == 'macintosh'
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text("This window contains a menubar with cascaded menus. You can invoke entries with an accelerator by typing Command+x, where \"x\" is the character next to the command key symbol. The rightmost menu can be torn off into a palette by dragging outside of its bounds and releasing the mouse.")
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else
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text("This window contains a menubar with cascaded menus. You can post a menu from the keyboard by typing Alt+x, where \"x\" is the character underlined on the menu. You can then traverse among the menus using the arrow keys. When a menu is posted, you can invoke the current entry by typing space, or you can invoke any entry by typing its underlined character. If a menu entry has an accelerator, you can invoke the entry without posting the menu just by typing the accelerator. The rightmost menu can be torn off into a palette by selecting the first item in the menu.")
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end
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}.pack('side'=>'top')
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# frame
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TkFrame.new($menu_demo) {|frame|
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TkButton.new(frame) {
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text 'Dismiss'
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command proc{
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tmppath = $menu_demo
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$menu_demo = nil
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tmppath.destroy
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}
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}.pack('side'=>'left', 'expand'=>'yes')
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TkButton.new(frame) {
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text 'Show Code'
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command proc{showCode 'menu'}
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}.pack('side'=>'left', 'expand'=>'yes')
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}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
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# menu
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TkMenubutton.new($menu_frame, 'text'=>'File', 'underline'=>0) {|m|
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pack('side'=>'left')
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TkMenu.new(m, 'tearoff'=>false) {|file_menu|
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m.configure('menu'=>file_menu)
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add('command', 'label'=>'Open...', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Open..." entry'})
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add('command', 'label'=>'New', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "New" entry'})
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add('command', 'label'=>'Save', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Save" entry'})
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add('command', 'label'=>'Save As...', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Save As..." entry'})
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add('separator')
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add('command', 'label'=>'Print Setup...', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Print Setup..." entry'})
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add('command', 'label'=>'Print...', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Print..." entry'})
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add('separator')
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add('command', 'label'=>'Dismiss Menus Demo', 'command'=>proc{$menu_demo.destroy})
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}
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}
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if $tk_platform['platform'] == 'macintosh'
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modifier = 'Command'
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elsif $tk_platform['platform'] == 'windows'
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modifier = 'Control'
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else
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modifier = 'Meta'
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end
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TkMenubutton.new($menu_frame, 'text'=>'Basic', 'underline'=>0) {|m|
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pack('side'=>'left')
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TkMenu.new(m, 'tearoff'=>false) {|basic_menu|
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m.configure('menu'=>basic_menu)
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add('command', 'label'=>'Long entry that does nothing')
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['A','B','C','D','E','F','G'].each{|c|
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add('command', 'label'=>"Print letter \"#{c}\"",
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'underline'=>14, 'accelerator'=>"Meta+#{c}",
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'command'=>proc{print c,"\n"}, 'accelerator'=>"#{modifier}+#{c}")
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$menu_demo.bind("#{modifier}-#{c.downcase}", proc{print c,"\n"})
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}
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}
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}
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TkMenubutton.new($menu_frame, 'text'=>'Cascades', 'underline'=>0) {|m|
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pack('side'=>'left')
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TkMenu.new(m, 'tearoff'=>false) {|cascade_menu|
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m.configure('menu'=>cascade_menu)
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add('command', 'label'=>'Print hello',
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'command'=>proc{print "Hello\n"},
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'accelerator'=>"#{modifier}+H", 'underline'=>6)
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$menu_demo.bind("#{modifier}-h", proc{print "Hello\n"})
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add('command', 'label'=>'Print goodbye',
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'command'=>proc{print "Goodbye\n"},
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'accelerator'=>"#{modifier}+G", 'underline'=>6)
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$menu_demo.bind("#{modifier}-g", proc{print "Goodbye\n"})
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TkMenu.new(m, 'tearoff'=>false) {|cascade_check|
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cascade_menu.add('cascade', 'label'=>'Check buttons',
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'menu'=>cascade_check, 'underline'=>0)
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oil = TkVariable.new(0)
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add('check', 'label'=>'Oil checked', 'variable'=>oil)
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trans = TkVariable.new(0)
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add('check', 'label'=>'Transmission checked', 'variable'=>trans)
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brakes = TkVariable.new(0)
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add('check', 'label'=>'Brakes checked', 'variable'=>brakes)
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lights = TkVariable.new(0)
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add('check', 'label'=>'Lights checked', 'variable'=>lights)
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add('separator')
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add('command', 'label'=>'Show current values',
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'command'=>proc{showVars($menu_demo,
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['oil', oil],
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['trans', trans],
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['brakes', brakes],
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['lights', lights])} )
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invoke 1
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invoke 3
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}
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TkMenu.new(m, 'tearoff'=>false) {|cascade_radio|
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cascade_menu.add('cascade', 'label'=>'Radio buttons',
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'menu'=>cascade_radio, 'underline'=>0)
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pointSize = TkVariable.new
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add('radio', 'label'=>'10 point', 'variable'=>pointSize, 'value'=>10)
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add('radio', 'label'=>'14 point', 'variable'=>pointSize, 'value'=>14)
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add('radio', 'label'=>'18 point', 'variable'=>pointSize, 'value'=>18)
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add('radio', 'label'=>'24 point', 'variable'=>pointSize, 'value'=>24)
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add('radio', 'label'=>'32 point', 'variable'=>pointSize, 'value'=>32)
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add('separator')
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style = TkVariable.new
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add('radio', 'label'=>'Roman', 'variable'=>style, 'value'=>'roman')
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add('radio', 'label'=>'Bold', 'variable'=>style, 'value'=>'bold')
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add('radio', 'label'=>'Italic', 'variable'=>style, 'value'=>'italic')
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add('separator')
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add('command', 'label'=>'Show current values',
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'command'=>proc{showVars($menu_demo,
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['pointSize', pointSize],
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['style', style])} )
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invoke 1
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invoke 7
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}
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}
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}
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TkMenubutton.new($menu_frame, 'text'=>'Icons', 'underline'=>0) {|m|
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pack('side'=>'left')
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TkMenu.new(m, 'tearoff'=>false) {|icon_menu|
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m.configure('menu'=>icon_menu)
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add('command',
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'bitmap'=>'@'+[$demo_dir,'..',
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'images','pattern.xbm'].join(File::Separator),
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'command'=>proc{TkDialog.new('title'=>'Bitmap Menu Entry',
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'text'=>'The menu entry you invoked displays a bitmap rather than a text string. Other than this, it is just like any other menu entry.',
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'bitmap'=>'', 'default'=>0,
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'buttons'=>'Dismiss')} )
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['info', 'questhead', 'error'].each{|icon|
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add('command', 'bitmap'=>icon,
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'command'=>proc{print "You invoked the #{icon} bitmap\n"})
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}
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}
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}
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TkMenubutton.new($menu_frame, 'text'=>'More', 'underline'=>0) {|m|
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pack('side'=>'left')
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TkMenu.new(m, 'tearoff'=>false) {|more_menu|
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m.configure('menu'=>more_menu)
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[ 'An entry','Another entry','Does nothing','Does almost nothing',
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'Make life meaningful' ].each{|i|
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add('command', 'label'=>i,
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'command'=>proc{print "You invoked \"#{i}\"\n"})
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}
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}
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}
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TkMenubutton.new($menu_frame, 'text'=>'Colors', 'underline'=>0) {|m|
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pack('side'=>'left')
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TkMenu.new(m) {|colors_menu|
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m.configure('menu'=>colors_menu)
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['red', 'orange', 'yellow', 'green', 'blue'].each{|c|
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add('command', 'label'=>c, 'background'=>c,
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'command'=>proc{print "You invoked \"#{c}\"\n"})
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}
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}
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}
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