box.py

   1 import sys, os
   2
   3 import rox
   4 from rox import saving, g
   5
   6 import formats
   7
   8 use_combo_box=hasattr(g, 'ComboBox')
   9
  10 class ArchiveBox(saving.SaveBox, saving.Saveable):
  11         "A savebox with an operation selector."
  12         def __init__(self):
  13                 self.data = None
  14                 self.operation = None
  15                 self.ops = None
  16                 saving.SaveBox.__init__(self, self, '', 'text/plain')
  17
  18         def save_cancelled(self):
  19                 assert formats.current_command
  20                 formats.current_command.kill()
  21
  22         def set_save_in_progress(self, busy):
  23                 if self.operation:
  24                         self.operation.set_sensitive(not busy)
  25                 saving.SaveBox.set_save_in_progress(self, busy)
  26
  27         def build_main_area(self):
  28                 self.vbox.add(self.save_area)
  29
  30                 if use_combo_box:
  31                         self.operation = g.combo_box_new_text()
  32                 else:
  33                         self.operation = g.OptionMenu()
  34                 self.vbox.pack_start(self.operation, False, True, 0)
  35                 self.operation.show()
  36                 self.operation.set_border_width(5)
  37                 self.updating = 0
  38
  39                 self.delete_choice = g.CheckButton(_('Delete file afterwards?'))
  40                 self.vbox.pack_start(self.delete_choice, True, True, 0)
  41
  42                 if not use_combo_box:
  43                         self.ops_menu = g.Menu()
  44                         self.operation.set_menu(self.ops_menu)
  45                 else:
  46                         self.ops_menu = None
  47
  48         def set_data(self, data):
  49                 assert not self.data
  50
  51                 self.data = data
  52                 self.save_mode = data.mode
  53                 ops = [op for op in formats.operations if op.can_handle(data)]
  54
  55                 name = data.default_name
  56                 self.save_area.entry.set_text(name)
  57                 start = name.rfind('/') + 1
  58                 #self.save_area.entry.select_region(start, -1)
  59                 g.Editable.select_region(self.save_area.entry, start, -1)
  60
  61                 # Add all supported ops to the menu.
  62                 self.ops = []
  63                 if use_combo_box:
  64                         for op in ops:
  65                                 self.operation.append_text(str(op))
  66                                 self.ops.append(op)
  67                         try:
  68                                 self.operation.set_active(self.ops.index(data.default))
  69                         except ValueError:
  70                                 print >>sys.stderr, "Warning: %s not in ops list!" % data.default
  71
  72                 else:
  73                         last = None
  74                         for op in ops:
  75                                 if last and last != op.__class__:
  76                                         item = g.MenuItem()
  77                                         item.show()
  78                                         self.ops_menu.append(item)
  79                                         self.ops.append(None)
  80                                 last = op.__class__
  81                                 item = g.MenuItem(str(op))
  82                                 item.show()
  83                                 self.ops_menu.append(item)
  84                                 self.ops.append(op)
  85
  86                         # Select the default
  87                         try:
  88                                 self.operation.set_history(self.ops.index(data.default))
  89                         except ValueError:
  90                                 print >>sys.stderr, "Warning: %s not in ops list!" % data.default
  91
  92                 self.operation.connect('changed', self.op_changed)
  93                 self.save_area.entry.connect('changed', self.name_changed)
  94
  95                 self.save_area.set_type(data.default.type)
  96
  97                 if isinstance(data, formats.FileData) and data.path != '-':
  98                         self.delete_choice.show()
  99
 100         def name_changed(self, entry):
 101                 if self.updating:
 102                         return
 103                 self.updating = 1
 104
 105                 name = entry.get_text()
 106                 i = 0
 107                 for op in self.ops:
 108                         if op and name.endswith('.' + op.extension):
 109                                 self.operation.set_history(i)
 110                                 break
 111                         i += 1
 112
 113                 self.updating = 0
 114
 115         def get_selected_op(self):
 116                 if use_combo_box:
 117                         return self.ops[self.operation.get_active()]
 118                 else:
 119                         return self.ops[self.operation.get_history()]
 120
 121         def op_changed(self, operation):
 122                 op = self.get_selected_op()
 123                 assert op
 124                 self.set_type(op.type)
 125
 126                 if self.updating:
 127                         return
 128                 self.updating = 1
 129
 130                 name = self.save_area.entry.get_text()
 131                 for op2 in self.ops:
 132                         if op2 and name.endswith('.' + op2.extension):
 133                                 name = name[:-len(op2.extension)-1]
 134                                 break
 135                 if op.add_extension:
 136                         name += '.' + op.extension
 137                 self.save_area.entry.set_text(name)
 138                 start = name.rfind('/') + 1
 139                 #self.save_area.entry.select_region(start, -1)
 140                 g.Editable.select_region(self.save_area.entry, start, -1)
 141
 142                 self.updating = 0
 143
 144         def save_to_file(self, path):
 145                 op = self.get_selected_op()
 146                 if hasattr(op, 'save_to_file'):
 147                         op.save_to_file(self.data, path)
 148                 else:
 149                         saving.Saveable.save_to_file(self, path)
 150
 151                 #If the delete_choice is set, try to remove the file
 152                 if self.delete_choice.get_active():
 153                         try:
 154                                 os.remove(sys.argv[1])
 155                         except:
 156                                 rox.report_exception()
 157
 158         def can_save_to_selection(self):
 159                 if self.ops:
 160                         op = self.get_selected_op()
 161
 162                         if op.type == 'inode/directory':
 163                                 return False
 164                 return saving.Saveable.can_save_to_selection(self)
 165
 166         def save_to_stream(self, stream):
 167                 op = self.get_selected_op()
 168                 op.save_to_stream(self.data, stream)