1  # Touchy is Copyright (c) 2009  Chris Radek <chris@timeguy.com>
 2  #
 3  # Touchy is free software: you can redistribute it and/or modify
 4  # it under the terms of the GNU General Public License as published by
 5  # the Free Software Foundation, either version 2 of the License, or
 6  # (at your option) any later version.
 7  #
 8  # Touchy is distributed in the hope that it will be useful,
 9  # but WITHOUT ANY WARRANTY; without even the implied warranty of
10  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11  # GNU General Public License for more details.
12  
13  import os
14  
15  class filechooser:
16      def __init__(self, gtk, emc, labels, eventboxes, listing):
17          self.labels = labels
18          self.eventboxes = eventboxes
19          self.numlabels = len(labels)
20          self.listing = listing
21          self.gtk = gtk
22          self.emc = emc
23          self.emccommand = emc.command()
24          self.fileoffset = 0
25          self.dir = os.path.join(os.getenv('HOME'), 'linuxcnc', 'nc_files')
26          self.reload(0)
27  
28      def populate(self):
29          files = self.files[self.fileoffset:]
30          for i in range(self.numlabels):
31              l = self.labels[i]
32              e = self.eventboxes[i]
33              if i < len(files):
34                  l.set_text(files[i])
35              else:
36                  l.set_text('')
37              if self.selected == self.fileoffset + i:
38                  e.modify_bg(self.gtk.STATE_NORMAL, self.gtk.gdk.color_parse('#fff'))
39              else:
40                  e.modify_bg(self.gtk.STATE_NORMAL, self.gtk.gdk.color_parse('#ccc'))
41  
42      def select(self, eventbox, event):
43          n = int(eventbox.get_name()[20:])
44          fn = self.labels[n].get_text()
45          if len(fn) == 0: return(fn)
46          self.selected = self.fileoffset + n
47          self.emccommand.mode(self.emc.MODE_MDI)
48          fn = os.path.join(self.dir, fn)
49          self.emccommand.program_open(fn)
50          self.listing.readfile(fn)
51          self.populate()
52          return(fn)
53  
54      def select_and_show(self,fn):
55          self.reload(0)
56          numfiles = len(self.files)
57          fn = os.path.basename(fn)
58          self.fileoffset = 0
59          found = False
60          while True:
61              for k in range(self.numlabels):
62                  n = k + self.fileoffset
63                  if n >= numfiles: return # notfound
64                  if self.files[n] == fn:
65                      found = True
66                      break # from for
67              if found: break # from while
68              self.fileoffset += self.numlabels
69  
70          self.selected = n
71          fn = os.path.join(self.dir, fn)
72          self.listing.readfile(fn)
73          self.populate()
74  
75      def up(self, b):
76          self.fileoffset -= self.numlabels
77          if self.fileoffset < 0:
78              self.fileoffset = 0
79          self.populate()
80  
81      def down(self, b):
82          self.fileoffset += self.numlabels
83          self.populate()
84  
85      def reload(self, b):
86          self.files = os.listdir(self.dir)
87          self.files = [i for i in self.files if i.endswith('.ngc') and
88                        os.path.isfile(os.path.join(self.dir, i))]
89          self.files.sort()
90          self.selected = -1
91          self.populate()