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# filebox.rb
#
# This demonstration script prompts the user to select a file.#
# widget demo prompts the user to select a file (called by 'widget')
#
# toplevel widget
if defined?($filebox_demo) && $filebox_demo
$filebox_demo.destroy
$filebox_demo = nil
end
# demo toplevel widget
$filebox_demo = TkToplevel.new {|w|
title("File Selection Dialogs")
iconname("filebox")
positionWindow(w)
}
base_frame = TkFrame.new($filebox_demo).pack(:fill=>:both, :expand=>true)
# label
TkLabel.new(base_frame,'font'=>$font,'wraplength'=>'4i','justify'=>'left',
'text'=>"Enter a file name in the entry box or click on the \"Browse\" buttons to select a file name using the file selection dialog.").pack('side'=>'top')
# frame
TkFrame.new(base_frame) {|frame|
TkButton.new(frame) {
text 'Dismiss'
command proc{
tmppath = $filebox_demo
$filebox_demo = nil
tmppath.destroy
}
}.pack('side'=>'left', 'expand'=>'yes')
TkButton.new(frame) {
text 'Show Code'
command proc{showCode 'filebox'}
}.pack('side'=>'left', 'expand'=>'yes')
}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
# frame
['open', 'save'].each{|type|
TkFrame.new(base_frame) {|f|
TkLabel.new(f, 'text'=>"Select a file to #{type}: ", 'anchor'=>'e')\
.pack('side'=>'left')
TkEntry.new(f, 'width'=>20) {|e|
pack('side'=>'left', 'expand'=>'yes', 'fill'=>'x')
TkButton.new(f, 'text'=>'Browse ...',
'command'=>proc{fileDialog base_frame,e,type})\
.pack('side'=>'left')
}
pack('fill'=>'x', 'padx'=>'1c', 'pady'=>3)
}
}
$tk_strictMotif = TkVarAccess.new('tk_strictMotif')
if ($tk_platform['platform'] == 'unix')
TkCheckButton.new(base_frame,
'text'=>'Use Motif Style Dialog',
'variable'=>$tk_strictMotif,
'onvalue'=>1, 'offvalue'=>0 ).pack('anchor'=>'c')
end
def fileDialog(w,ent,operation)
# Type names Extension(s) Mac File Type(s)
#
#--------------------------------------------------------
types = [
['Text files', ['.txt','.doc'] ],
['Text files', [], 'TEXT' ],
['Ruby Scripts', ['.rb'], 'TEXT' ],
['Tcl Scripts', ['.tcl'], 'TEXT' ],
['C Source Files', ['.c','.h'] ],
['All Source Files', ['.rb','.tcl','.c','.h'] ],
['Image Files', ['.gif'] ],
['Image Files', ['.jpeg','.jpg'] ],
['Image Files', [], ['GIFF','JPEG']],
['All files', '*' ]
]
if operation == 'open'
file = Tk.getOpenFile('filetypes'=>types, 'parent'=>w)
else
file = Tk.getSaveFile('filetypes'=>types, 'parent'=>w,
'initialfile'=>'Untitled',
'defaultextension'=>'.txt')
end
if file != ""
ent.delete 0, 'end'
ent.insert 0, file
# ent.xview 'end'
Tk.update_idletasks # need this for Tk::Tile::Entry
# (to find right position of 'xview').
ent.xview(ent.index('end'))
end
end
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