def edit_line(self, line):
dialog = OptionsDialog(line)
try:
response = dialog.run()
if response == gtk.RESPONSE_ACCEPT:
ul = UndoList("Edit Line")
dialog.check_out(undolist=ul)
#uwrap.emit_last(self.backend, 'redraw', undolist=ul)
self.project.journal.append(ul)
return dialog.owner
else:
raise error.UserCancel
finally:
dialog.destroy()
def plot_postscript(app, project, plot):
#
# request filename
#
filename = PostscriptTerminal.build_filename('ps', project, plot)
chooser = gtk.FileChooserDialog(
title="PostScript Export",
action=gtk.FILE_CHOOSER_ACTION_SAVE,
buttons=(gtk.STOCK_CANCEL,
gtk.RESPONSE_CANCEL,
gtk.STOCK_SAVE,
gtk.RESPONSE_OK))
chooser.set_default_response(gtk.RESPONSE_OK)
chooser.set_select_multiple(False)
chooser.set_current_folder(os.path.abspath(os.path.dirname(filename)))
chooser.set_current_name(os.path.basename(filename))
filter = gtk.FileFilter()
filter.set_name("All files")
filter.add_pattern("*")
chooser.add_filter(filter)
filter = gtk.FileFilter()
filter.set_name("Postscript (.ps; .eps)")
filter.add_pattern("*.ps")
filter.add_pattern("*.eps")
chooser.add_filter(filter)
chooser.set_filter(filter) # default filter
response = chooser.run()
try:
if response == gtk.RESPONSE_OK:
filename = chooser.get_filename()
else:
raise error.UserCancel
finally:
chooser.destroy()
#
# request export options
#
dialog = OptionsDialog(PostscriptTerminal(),
title="Options Postscript Export",
parent=app.window)
#dialog.set_size_request(320,520)
# determine requested postscript mode (ps or eps) from extension
path, ext = os.path.splitext(filename)
ext = ext.lower()
if ext == '.eps':
dialog.owner.mode = 'eps'
elif ext == '.ps':
dialog.owner.mode = 'landscape'
try:
result = dialog.run()
if result == gtk.RESPONSE_ACCEPT:
dialog.check_out()
else:
return
terminal = dialog.owner
finally:
dialog.destroy()
#
# now check if mode and filename extension match
#
def fix_filename(filename, mode):
msg = "The postscript mode you selected (%s) does not match the given filename extension (%s). Do you want to adjust the filename to match the mode? " % (mode, os.path.splitext(filename)[1])
dialog = gtk.MessageDialog(type = gtk.MESSAGE_QUESTION, message_format = msg)
dialog.add_button("Keep Filename", gtk.RESPONSE_NO)
btn_default = dialog.add_button(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL)
dialog.add_button("Adjust Filename", gtk.RESPONSE_YES)
btn_default.grab_focus()
response = dialog.run()
dialog.destroy()
if response == gtk.RESPONSE_YES:
# yes = yes, adjust filename
if mode == '.eps': new_ext = '.eps'
else: new_ext = '.ps'
path, ext = os.path.splitext(filename)
return path + new_ext
elif response == gtk.RESPONSE_NO:
# no = no, keep filename
return filename
else:
# everything else -> abort action
raise error.UserCancel
if (terminal.mode == 'eps' and ext != '.eps') or \
(terminal.mode != 'eps' and ext != '.ps'):
filename = fix_filename(filename, terminal.mode)
#
# construct backend for output
#
backend = globals.BackendRegistry['gnuplot'](
project=project,
plot=plot,
filename=filename,
terminal=terminal)
try:
backend.draw()
finally:
backend.disconnect()
