| 1 | # -*-mode: python; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
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| 2 | #
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| 3 | # $Id: Tree.py 36560 2004-07-18 06:16:08Z tim_one $
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| 4 | #
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| 5 | # Tix Demostration Program
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| 6 | #
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| 7 | # This sample program is structured in such a way so that it can be
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| 8 | # executed from the Tix demo program "tixwidgets.py": it must have a
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| 9 | # procedure called "RunSample". It should also have the "if" statment
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| 10 | # at the end of this file so that it can be run as a standalone
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| 11 | # program.
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| 12 |
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| 13 | # This file demonstrates how to use the TixTree widget to display
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| 14 | # dynamic hierachical data (the files in the Unix file system)
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| 15 | #
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| 16 |
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| 17 | import Tix, os
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| 18 |
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| 19 | def RunSample(w):
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| 20 | top = Tix.Frame(w, relief=Tix.RAISED, bd=1)
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| 21 | tree = Tix.Tree(top, options='separator "/"')
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| 22 | tree.pack(expand=1, fill=Tix.BOTH, padx=10, pady=10, side=Tix.LEFT)
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| 23 | tree['opencmd'] = lambda dir=None, w=tree: opendir(w, dir)
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| 24 |
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| 25 | # The / directory is added in the "open" mode. The user can open it
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| 26 | # and then browse its subdirectories ...
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| 27 | adddir(tree, "/")
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| 28 |
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| 29 | box = Tix.ButtonBox(w, orientation=Tix.HORIZONTAL)
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| 30 | box.add('ok', text='Ok', underline=0, command=w.destroy, width=6)
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| 31 | box.add('cancel', text='Cancel', underline=0, command=w.destroy, width=6)
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| 32 | box.pack(side=Tix.BOTTOM, fill=Tix.X)
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| 33 | top.pack(side=Tix.TOP, fill=Tix.BOTH, expand=1)
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| 34 |
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| 35 | def adddir(tree, dir):
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| 36 | if dir == '/':
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| 37 | text = '/'
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| 38 | else:
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| 39 | text = os.path.basename(dir)
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| 40 | tree.hlist.add(dir, itemtype=Tix.IMAGETEXT, text=text,
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| 41 | image=tree.tk.call('tix', 'getimage', 'folder'))
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| 42 | try:
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| 43 | os.listdir(dir)
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| 44 | tree.setmode(dir, 'open')
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| 45 | except os.error:
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| 46 | # No read permission ?
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| 47 | pass
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| 48 |
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| 49 | # This function is called whenever the user presses the (+) indicator or
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| 50 | # double clicks on a directory whose mode is "open". It loads the files
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| 51 | # inside that directory into the Tree widget.
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| 52 | #
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| 53 | # Note we didn't specify the closecmd option for the Tree widget, so it
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| 54 | # performs the default action when the user presses the (-) indicator or
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| 55 | # double clicks on a directory whose mode is "close": hide all of its child
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| 56 | # entries
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| 57 | def opendir(tree, dir):
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| 58 | entries = tree.hlist.info_children(dir)
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| 59 | if entries:
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| 60 | # We have already loaded this directory. Let's just
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| 61 | # show all the child entries
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| 62 | #
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| 63 | # Note: since we load the directory only once, it will not be
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| 64 | # refreshed if the you add or remove files from this
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| 65 | # directory.
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| 66 | #
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| 67 | for entry in entries:
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| 68 | tree.hlist.show_entry(entry)
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| 69 | files = os.listdir(dir)
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| 70 | for file in files:
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| 71 | if os.path.isdir(dir + '/' + file):
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| 72 | adddir(tree, dir + '/' + file)
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| 73 | else:
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| 74 | tree.hlist.add(dir + '/' + file, itemtype=Tix.IMAGETEXT, text=file,
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| 75 | image=tree.tk.call('tix', 'getimage', 'file'))
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| 76 |
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| 77 | if __name__ == '__main__':
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| 78 | root = Tix.Tk()
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| 79 | RunSample(root)
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| 80 | root.mainloop()
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