learning/Downloaded/fileselector.py

#! /usr/local/bin/python

from Tkinter import *
import os
import string 
import sys

def normalize_pathname(path):
    """Given PATHNAME, return an absolute pathname relative to cwd, reducing
    out all current-dir (unix: '.') and parent-dir (unix: '..') references."""

    outwards, inwards = 0, []
    for nm in string.splitfields(path, os.sep):
        if nm != os.curdir:
            if nm == os.pardir:
                # Translate parent-dir entries to outward notches:
                if inwards:
                    # Pop a containing inwards:
                    del inwards[-1]
                else:
                    # Register leading outward notches:
                    outwards = outwards + 1
            else:
                inwards.append(nm)
    inwards = string.joinfields(inwards, os.sep)

    if (not inwards) or (inwards[0] != os.sep):
        # Relative path - join with current working directory, (ascending
        # outwards to account for leading parent-dir components):
        cwd = os.getcwd()
        if outwards:
            cwd = string.splitfields(cwd, os.sep)
            cwd = string.joinfields(cwd[:len(cwd) - outwards], os.sep)
        if inwards:
            return os.path.join(cwd, inwards)                           # ==>
        else:
            return cwd                                                  # ==>
    else:
        return inwards                                                  # ==>

def newdialog(master, text):
        """Given a text, presents a dialog w/ a title containing that text, an entry,
        an OK and cancel button.  The OK button is the default.  

        Returns the text in the entry widget, or None if canceled."""
        
        OKBUTTON = 0
        CANCELBUTTON = 1
        w = Toplevel( master)# class = text)
        w.title( text )
        w.iconname( text )
        top = Frame( w, relief = GROOVE, bd = 1)
        bot = Frame( w, relief = GROOVE, bd = 1)
        msg = Message( top, width = '3i', text = text, font = '-Adobe-Times-Medium-R-Normal-*-180-*')
        msg.pack( fill = X, padx = '2m', pady = '2m')
        top.pack( expand = 1, side = TOP, fill = BOTH)
        entry = Entry( top, relief = GROOVE)
        entry.pack( pady = '2m', anchor = CENTER)

        ok = Button( bot, relief = RIDGE, borderwidth = 3, text = 'OK', command = ('set', 'button', OKBUTTON))
        ok.pack ( side = LEFT, expand = 1, padx = 0, pady = 0, ipady = 0, fill = X)
        cancel = Button(bot, text = 'Cancel', relief = GROOVE, command = ('set', 'button', CANCELBUTTON))
        cancel.pack (side = LEFT, expand = 1, padx = 0, pady = 0, ipady = 0, fill = X)
        bot.pack(side = BOTTOM, fill = BOTH)

        default =0
        w.bind('<Return>',
               lambda e, b=ok, i=OKBUTTON:
               (b.flash(),
                b.setvar('button', i)))
        oldFocus = w.tk.call('focus') # XXX
        w.grab_set()
        w.focus()
        entry.focus()
        dirname = None
        w.waitvar('button')
        retu = w.getint(w.getvar('button'))
        if retu == OKBUTTON:
                dirname = entry.get()
                try:
                        os.mkdir(dirname, 755 )
                except os.error:
                        pass
        w.destroy()
        w.tk.call('focus', oldFocus) # XXX
        return dirname

def fileselector(new, master, title, text = None, origdir = None):
        """Given a title, and a text, and optionally a starting directory (defaults to
        current directory), presents a MODAL file selection dialog box which allows navigation
        up and down the file structure.   Allows the creation of new subdirectories and the
        naming of a file which does not currently exist.  Does not create such files.

        Returns the full, normalized pathname to the selected file, or None if the dialog
        is canceled"""

        NEWBUTTON = 0
        OPENBUTTON = 1
        CANCELBUTTON = 2
        UPBUTTON = 3
        ORIGBUTTON = 4
        NEWDIRBUTTON = 5

        if origdir == None:
                origdir = os.curdir
        origdir = normalize_pathname(origdir)

        # 1. Create the top-level window and divide it into top
        # and bottom parts.
        
        w = Toplevel(master) #, class = 'Dialog')
        w.title(title)
        w.iconname('Dialog')
        
        if text:
                top = Frame( w, relief = GROOVE, bd = 1)
                msg = Message( top, width = '2.5i', text = text, font = '-Adobe-Times-Medium-R-Normal-*-180-*')
                msg.pack( expand = 1, fill = X, padx = '2m', pady = '2m')
                top.pack( side = TOP, fill = BOTH)

        middle = Frame( w, relief = GROOVE, bd = 1)
        middle.pack( fill = BOTH, expand = 1)
        left = Frame( middle, bd = 1)
        left.pack( side = LEFT, fill = BOTH, expand = 1)
        right = Frame( middle, bd = 1)
        right.pack( side = RIGHT, fill = BOTH, expand = 1)
        label = Label( left, text = normalize_pathname(os.curdir))
        label.pack( fill = X, anchor = W)

        f = Frame( left, relief = SUNKEN, borderwidth = 1)
        filelist = Listbox( f, highlightcolor = 'grey', selectmode = BROWSE, selectborderwidth = 0,
                            width = 25, relief = FLAT, height = 10, borderwidth = 0)

        objectscroll = Scrollbar(left, highlightcolor = 'grey', orient = VERTICAL, width = 12, borderwidth = 1)
        filelist['yscrollcommand'] = objectscroll.set
        objectscroll['command'] = filelist.yview
        filelist.pack( expand = 1, fill = BOTH)
        f.pack({'side':'left','expand':1,'fill':'both', 'pady':2})
        objectscroll.pack({'side':'right','fill':'both'})
        
        up = Button(right, text = 'Up', relief = GROOVE, command = ('set','button',UPBUTTON))
        up.pack(expand = 1, padx = 0, pady = 0, ipady = 0, fill = X)
        orig = Button(right, text = 'Original Directory', relief = GROOVE, command = ('set','button',ORIGBUTTON))
        orig.pack(expand = 1, padx = 0, pady = 0, ipady = 0, fill = X)
        if new:
                newdir = Button(right, text = 'New Directory...', relief = GROOVE,
                                command = ('set','button',NEWDIRBUTTON))
                newdir.pack(expand = 1, padx = 0, pady = 0, ipady = 0, fill = X)
                new = Button(right, text = 'New File...', relief = GROOVE,
                             command = ('set', 'button', NEWBUTTON))
                new.pack (expand = 1, padx = 0, pady = 0, ipady = 0, fill = X)
        open = Button(right, text = 'Open', borderwidth = 3, relief = RIDGE,
                      command = ('set', 'button', OPENBUTTON))
        open.pack (expand = 1, padx = 0, pady = 0, ipady = 0, fill = X)
        cancel = Button(right, text = 'Cancel', relief = GROOVE, command = ('set', 'button', CANCELBUTTON))
        cancel.pack ( expand = 1, padx = 0, pady = 0, ipady = 0, fill = X)
        # 4. Set up a binding for <Return>, if there's a default,
        # set a grab, and claim the focus too.

        default =1
        w.bind('<Return>',
               lambda e, b=open, i=OPENBUTTON:
               (b.flash(),
                b.setvar('button', i)))
        filelist.bind('<Double-1>',
               lambda e, b=open, i=OPENBUTTON:
               (b.flash(),
                b.setvar('button', i)))
        filelist.bind('<Escape>',
               lambda e, b=cancel, i = CANCELBUTTON:
               (b.flash(),
                b.setvar('button', i)))
        filelist.bind('<Left>',
               lambda e, b=up, i = UPBUTTON:
               (b.flash(),
                b.setvar('button', i)))
        filelist.bind('<Right>',
               lambda e, b=open, i = OPENBUTTON:
               (b.flash(),
                b.setvar('button', i)))
        oldFocus = w.tk.call('focus') # XXX
        w.grab_set()
        filelist.focus()

        # 5. Wait for the user to respond, then restore the focus
        # and return the index of the selected button.

        filename = None
        retu = None
        while (filename == None and retu != CANCELBUTTON):
                filelist.delete(0,'end')
                try:
                        l = os.listdir(os.curdir)
                        l.sort()
                        for file in l:
                                if file != os.curdir and file != os.pardir:
                                        if (os.path.isdir(file)):
                                                filelist.insert('end',file+os.sep)
                                        else:
                                                filelist.insert('end',file)
                except os.error:
                        pass
                dname =  normalize_pathname(os.curdir)
                if len(dname) > 25:
                        dname = dname[:10]+'...'+dname[-15:]
                label['text'] = dname

                filelist.select_set(0,0)
                w.waitvar('button')
                retu = w.getint(w.getvar('button'))
                if retu == NEWBUTTON:   # New File
                        filename = newdialog(master, 'Create file named:')
                elif retu == UPBUTTON:
                        try:
                                os.chdir(os.pardir)
                        except:
                                pass
                elif retu == ORIGBUTTON:
                        os.chdir(origdir)
                elif retu == NEWDIRBUTTON:
                        dir = newdialog(master, 'Create directory named:')
                        if dir:
                                try:
                                        os.chdir(dir)
                                except os.error:
                                        pass
                elif retu == OPENBUTTON:
                        selection = filelist.curselection()
                        if selection and len(selection) == 1:
                                f = filelist.get(selection[0])
                                try:
                                        if (os.path.isdir(f)):
                                                os.chdir(filelist.get(selection[0]))
                                        elif new == 0:
                                                filename = f
                                except os.error:
                                        pass

        if retu == CANCELBUTTON:
                os.chdir(origdir)

        w.destroy()
        w.tk.call('focus', oldFocus) # XXX
        if filename:
                return normalize_pathname(filename)
        else:
                return None

def newfileselector(master, title, text = None, origdir = None):
        return fileselector(1, master, title, text, origdir)

def oldfileselector(master, title, text = None, origdir = None):
        return fileselector(0, master, title, text, origdir)


def go():
        i = newfileselector(mainWidget, 'Subject Set Selector')
        if i:
                print i

def test():
        import sys
        global mainWidget
        mainWidget = Frame()
        Pack.config( mainWidget )
        start = Button( mainWidget, text= 'Press Here To Start', command = go )
        start.pack( fill = BOTH )
        endit = Button( mainWidget, text = 'Exit', command = sys.exit )
        endit.pack( fill = BOTH )
        mainWidget.mainloop()
        
if __name__ == '__main__':
        test()
Revision:	591
Committed:	Tue Nov 3 22:45:12 2015 UTC (10 years, 4 months ago) by nino.borges
Content type:	text/x-python
File size:	8633 byte(s)
Log Message:	Moved dir out of main dir.
#	User	Rev	Content
1	ninoborges	8	#! /usr/local/bin/python
2
3			from Tkinter import *
4			import os
5			import string
6			import sys
7
8			def normalize_pathname(path):
9			"""Given PATHNAME, return an absolute pathname relative to cwd, reducing
10			out all current-dir (unix: '.') and parent-dir (unix: '..') references."""
11
12			outwards, inwards = 0, []
13			for nm in string.splitfields(path, os.sep):
14			if nm != os.curdir:
15			if nm == os.pardir:
16			# Translate parent-dir entries to outward notches:
17			if inwards:
18			# Pop a containing inwards:
19			del inwards[-1]
20			else:
21			# Register leading outward notches:
22			outwards = outwards + 1
23			else:
24			inwards.append(nm)
25			inwards = string.joinfields(inwards, os.sep)
26
27			if (not inwards) or (inwards[0] != os.sep):
28			# Relative path - join with current working directory, (ascending
29			# outwards to account for leading parent-dir components):
30			cwd = os.getcwd()
31			if outwards:
32			cwd = string.splitfields(cwd, os.sep)
33			cwd = string.joinfields(cwd[:len(cwd) - outwards], os.sep)
34			if inwards:
35			return os.path.join(cwd, inwards) # ==>
36			else:
37			return cwd # ==>
38			else:
39			return inwards # ==>
40
41			def newdialog(master, text):
42			"""Given a text, presents a dialog w/ a title containing that text, an entry,
43			an OK and cancel button. The OK button is the default.
44
45			Returns the text in the entry widget, or None if canceled."""
46
47			OKBUTTON = 0
48			CANCELBUTTON = 1
49			w = Toplevel( master)# class = text)
50			w.title( text )
51			w.iconname( text )
52			top = Frame( w, relief = GROOVE, bd = 1)
53			bot = Frame( w, relief = GROOVE, bd = 1)
54			msg = Message( top, width = '3i', text = text, font = '-Adobe-Times-Medium-R-Normal--180-')
55			msg.pack( fill = X, padx = '2m', pady = '2m')
56			top.pack( expand = 1, side = TOP, fill = BOTH)
57			entry = Entry( top, relief = GROOVE)
58			entry.pack( pady = '2m', anchor = CENTER)
59
60			ok = Button( bot, relief = RIDGE, borderwidth = 3, text = 'OK', command = ('set', 'button', OKBUTTON))
61			ok.pack ( side = LEFT, expand = 1, padx = 0, pady = 0, ipady = 0, fill = X)
62			cancel = Button(bot, text = 'Cancel', relief = GROOVE, command = ('set', 'button', CANCELBUTTON))
63			cancel.pack (side = LEFT, expand = 1, padx = 0, pady = 0, ipady = 0, fill = X)
64			bot.pack(side = BOTTOM, fill = BOTH)
65
66			default =0
67			w.bind('<Return>',
68			lambda e, b=ok, i=OKBUTTON:
69			(b.flash(),
70			b.setvar('button', i)))
71			oldFocus = w.tk.call('focus') # XXX
72			w.grab_set()
73			w.focus()
74			entry.focus()
75			dirname = None
76			w.waitvar('button')
77			retu = w.getint(w.getvar('button'))
78			if retu == OKBUTTON:
79			dirname = entry.get()
80			try:
81			os.mkdir(dirname, 755 )
82			except os.error:
83			pass
84			w.destroy()
85			w.tk.call('focus', oldFocus) # XXX
86			return dirname
87
88			def fileselector(new, master, title, text = None, origdir = None):
89			"""Given a title, and a text, and optionally a starting directory (defaults to
90			current directory), presents a MODAL file selection dialog box which allows navigation
91			up and down the file structure. Allows the creation of new subdirectories and the
92			naming of a file which does not currently exist. Does not create such files.
93
94			Returns the full, normalized pathname to the selected file, or None if the dialog
95			is canceled"""
96
97			NEWBUTTON = 0
98			OPENBUTTON = 1
99			CANCELBUTTON = 2
100			UPBUTTON = 3
101			ORIGBUTTON = 4
102			NEWDIRBUTTON = 5
103
104			if origdir == None:
105			origdir = os.curdir
106			origdir = normalize_pathname(origdir)
107
108			# 1. Create the top-level window and divide it into top
109			# and bottom parts.
110
111			w = Toplevel(master) #, class = 'Dialog')
112			w.title(title)
113			w.iconname('Dialog')
114
115			if text:
116			top = Frame( w, relief = GROOVE, bd = 1)
117			msg = Message( top, width = '2.5i', text = text, font = '-Adobe-Times-Medium-R-Normal--180-')
118			msg.pack( expand = 1, fill = X, padx = '2m', pady = '2m')
119			top.pack( side = TOP, fill = BOTH)
120
121			middle = Frame( w, relief = GROOVE, bd = 1)
122			middle.pack( fill = BOTH, expand = 1)
123			left = Frame( middle, bd = 1)
124			left.pack( side = LEFT, fill = BOTH, expand = 1)
125			right = Frame( middle, bd = 1)
126			right.pack( side = RIGHT, fill = BOTH, expand = 1)
127			label = Label( left, text = normalize_pathname(os.curdir))
128			label.pack( fill = X, anchor = W)
129
130			f = Frame( left, relief = SUNKEN, borderwidth = 1)
131			filelist = Listbox( f, highlightcolor = 'grey', selectmode = BROWSE, selectborderwidth = 0,
132			width = 25, relief = FLAT, height = 10, borderwidth = 0)
133
134			objectscroll = Scrollbar(left, highlightcolor = 'grey', orient = VERTICAL, width = 12, borderwidth = 1)
135			filelist['yscrollcommand'] = objectscroll.set
136			objectscroll['command'] = filelist.yview
137			filelist.pack( expand = 1, fill = BOTH)
138			f.pack({'side':'left','expand':1,'fill':'both', 'pady':2})
139			objectscroll.pack({'side':'right','fill':'both'})
140
141			up = Button(right, text = 'Up', relief = GROOVE, command = ('set','button',UPBUTTON))
142			up.pack(expand = 1, padx = 0, pady = 0, ipady = 0, fill = X)
143			orig = Button(right, text = 'Original Directory', relief = GROOVE, command = ('set','button',ORIGBUTTON))
144			orig.pack(expand = 1, padx = 0, pady = 0, ipady = 0, fill = X)
145			if new:
146			newdir = Button(right, text = 'New Directory...', relief = GROOVE,
147			command = ('set','button',NEWDIRBUTTON))
148			newdir.pack(expand = 1, padx = 0, pady = 0, ipady = 0, fill = X)
149			new = Button(right, text = 'New File...', relief = GROOVE,
150			command = ('set', 'button', NEWBUTTON))
151			new.pack (expand = 1, padx = 0, pady = 0, ipady = 0, fill = X)
152			open = Button(right, text = 'Open', borderwidth = 3, relief = RIDGE,
153			command = ('set', 'button', OPENBUTTON))
154			open.pack (expand = 1, padx = 0, pady = 0, ipady = 0, fill = X)
155			cancel = Button(right, text = 'Cancel', relief = GROOVE, command = ('set', 'button', CANCELBUTTON))
156			cancel.pack ( expand = 1, padx = 0, pady = 0, ipady = 0, fill = X)
157			# 4. Set up a binding for <Return>, if there's a default,
158			# set a grab, and claim the focus too.
159
160			default =1
161			w.bind('<Return>',
162			lambda e, b=open, i=OPENBUTTON:
163			(b.flash(),
164			b.setvar('button', i)))
165			filelist.bind('<Double-1>',
166			lambda e, b=open, i=OPENBUTTON:
167			(b.flash(),
168			b.setvar('button', i)))
169			filelist.bind('<Escape>',
170			lambda e, b=cancel, i = CANCELBUTTON:
171			(b.flash(),
172			b.setvar('button', i)))
173			filelist.bind('<Left>',
174			lambda e, b=up, i = UPBUTTON:
175			(b.flash(),
176			b.setvar('button', i)))
177			filelist.bind('<Right>',
178			lambda e, b=open, i = OPENBUTTON:
179			(b.flash(),
180			b.setvar('button', i)))
181			oldFocus = w.tk.call('focus') # XXX
182			w.grab_set()
183			filelist.focus()
184
185			# 5. Wait for the user to respond, then restore the focus
186			# and return the index of the selected button.
187
188			filename = None
189			retu = None
190			while (filename == None and retu != CANCELBUTTON):
191			filelist.delete(0,'end')
192			try:
193			l = os.listdir(os.curdir)
194			l.sort()
195			for file in l:
196			if file != os.curdir and file != os.pardir:
197			if (os.path.isdir(file)):
198			filelist.insert('end',file+os.sep)
199			else:
200			filelist.insert('end',file)
201			except os.error:
202			pass
203			dname = normalize_pathname(os.curdir)
204			if len(dname) > 25:
205			dname = dname[:10]+'...'+dname[-15:]
206			label['text'] = dname
207
208			filelist.select_set(0,0)
209			w.waitvar('button')
210			retu = w.getint(w.getvar('button'))
211			if retu == NEWBUTTON: # New File
212			filename = newdialog(master, 'Create file named:')
213			elif retu == UPBUTTON:
214			try:
215			os.chdir(os.pardir)
216			except:
217			pass
218			elif retu == ORIGBUTTON:
219			os.chdir(origdir)
220			elif retu == NEWDIRBUTTON:
221			dir = newdialog(master, 'Create directory named:')
222			if dir:
223			try:
224			os.chdir(dir)
225			except os.error:
226			pass
227			elif retu == OPENBUTTON:
228			selection = filelist.curselection()
229			if selection and len(selection) == 1:
230			f = filelist.get(selection[0])
231			try:
232			if (os.path.isdir(f)):
233			os.chdir(filelist.get(selection[0]))
234			elif new == 0:
235			filename = f
236			except os.error:
237			pass
238
239			if retu == CANCELBUTTON:
240			os.chdir(origdir)
241
242			w.destroy()
243			w.tk.call('focus', oldFocus) # XXX
244			if filename:
245			return normalize_pathname(filename)
246			else:
247			return None
248
249			def newfileselector(master, title, text = None, origdir = None):
250			return fileselector(1, master, title, text, origdir)
251
252			def oldfileselector(master, title, text = None, origdir = None):
253			return fileselector(0, master, title, text, origdir)
254
255
256			def go():
257			i = newfileselector(mainWidget, 'Subject Set Selector')
258			if i:
259			print i
260
261			def test():
262			import sys
263			global mainWidget
264			mainWidget = Frame()
265			Pack.config( mainWidget )
266			start = Button( mainWidget, text= 'Press Here To Start', command = go )
267			start.pack( fill = BOTH )
268			endit = Button( mainWidget, text = 'Exit', command = sys.exit )
269			endit.pack( fill = BOTH )
270			mainWidget.mainloop()
271
272			if __name__ == '__main__':
273			test()