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annotate Demo/tix/samples/Tree.py @ 79675:c0a2294de787 2.7

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Issue #16199: Backport 2to3 typo fix from 3.2.
author Chris Jerdonek <chris.jerdonek@gmail.com>
date Thu, 11 Oct 2012 16:15:46 -0700
parents c3a096bfbd6b
children c25e5b620a4c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # -*-mode: python; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
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2 #
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3 # $Id$
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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()