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# Copyright (C) 2007, 2013-2014 Red Hat, Inc.
#
# This work is licensed under the GNU GPLv2 or later.
# See the COPYING file in the top-level directory.
import os
import sys
import textwrap
import traceback
from gi.repository import Gtk
from virtinst import log
from .baseclass import vmmGObject
def _launch_dialog(dialog, primary_text, secondary_text, title,
widget=None, modal=True):
def fix_text(t):
if not t:
return t
if len(t) > 512:
t = t[:512] + "..."
retlines = []
for line in t.splitlines():
if not line:
retlines.append("")
else:
retlines.extend(textwrap.wrap(line, 80))
return "\n".join(retlines)
primary_text = fix_text(primary_text)
secondary_text = fix_text(secondary_text)
dialog.set_property("text", primary_text)
dialog.format_secondary_text(secondary_text or None)
dialog.set_title(title)
if widget:
dialog.get_content_area().add(widget)
res = False
if modal:
res = dialog.run()
res = bool(res in [Gtk.ResponseType.YES, Gtk.ResponseType.OK])
dialog.destroy()
else:
def response_destroy(src, ignore):
src.destroy()
dialog.connect("response", response_destroy)
dialog.show()
return res
class vmmErrorDialog(vmmGObject):
# singleton instance for non-UI classes
@classmethod
def get_instance(cls):
if not cls._instance:
cls._instance = vmmErrorDialog(None)
return cls._instance
def __init__(self, parent):
vmmGObject.__init__(self)
self._parent = parent
self._simple = None
self._modal_default = False
def _cleanup(self):
pass # pragma: no cover
def set_modal_default(self, val):
self._modal_default = val
def get_parent(self):
return self._parent
def show_err(self, summary, details=None, title="",
modal=None, debug=True,
dialog_type=Gtk.MessageType.ERROR,
buttons=Gtk.ButtonsType.CLOSE,
text2=None):
if modal is None:
modal = self._modal_default
if details is None:
details = summary
if sys.exc_info()[0] is not None:
details += "\n\n" + "".join(traceback.format_exc()).strip()
else:
details = str(details)
if debug:
debugmsg = "error dialog message:\nsummary=%s" % summary
if details and details != summary:
det = details
if details.startswith(summary):
det = details[len(summary):].strip()
debugmsg += "\ndetails=%s" % det
log.debug(debugmsg)
# Make sure we have consistent details for error dialogs
if (dialog_type == Gtk.MessageType.ERROR and summary not in details):
details = summary + "\n\n" + details
dialog = _errorDialog(parent=self.get_parent(),
flags=0,
message_type=dialog_type,
buttons=buttons)
return dialog.show_dialog(primary_text=summary,
secondary_text=text2,
details=details, title=title,
modal=modal)
###################################
# Simple one shot message dialogs #
###################################
def _simple_dialog(self, dialog_type, buttons, text1,
text2, title, widget=None, modal=True):
dialog = Gtk.MessageDialog(self.get_parent(),
flags=Gtk.DialogFlags.DESTROY_WITH_PARENT,
message_type=dialog_type,
buttons=buttons)
if self._simple:
self._simple.destroy()
self._simple = dialog
self._simple.get_accessible().set_name("vmm dialog")
return _launch_dialog(self._simple,
text1, text2 or "", title or "",
widget=widget,
modal=modal)
def val_err(self, text1, text2=None, title=_("Input Error"), modal=True):
logtext = _("Validation Error: %s") % text1
if text2:
logtext += " %s" % text2
if isinstance(text1, Exception) or isinstance(text2, Exception):
log.exception(logtext)
else:
self._logtrace(logtext)
dtype = Gtk.MessageType.ERROR
buttons = Gtk.ButtonsType.OK
self._simple_dialog(dtype, buttons,
str(text1),
text2 and str(text2) or "",
str(title), None, modal)
return False
def show_info(self, text1, text2=None, title="", widget=None, modal=True,
buttons=Gtk.ButtonsType.OK):
dtype = Gtk.MessageType.INFO
self._simple_dialog(dtype, buttons, text1, text2, title, widget, modal)
return False
def yes_no(self, text1, text2=None, title=None):
dtype = Gtk.MessageType.WARNING
buttons = Gtk.ButtonsType.YES_NO
return self._simple_dialog(dtype, buttons, text1, text2, title)
def ok_cancel(self, text1, text2=None, title=None):
dtype = Gtk.MessageType.WARNING
buttons = Gtk.ButtonsType.OK_CANCEL
return self._simple_dialog(dtype, buttons, text1, text2, title)
def confirm_unapplied_changes(self):
"""
Helper function for confirming whether to apply unapplied changes
"""
return self.chkbox_helper(
self.config.get_confirm_unapplied,
self.config.set_confirm_unapplied,
text1=(_("There are unapplied changes. "
"Would you like to apply them now?")),
chktext=_("Don't warn me again."),
default=False)
##########################################
# One shot dialog with a checkbox prompt #
##########################################
def warn_chkbox(self, text1, text2=None, chktext=None, buttons=None):
dtype = Gtk.MessageType.WARNING
buttons = buttons or Gtk.ButtonsType.OK_CANCEL
chkbox = _errorDialog(parent=self.get_parent(),
flags=0,
message_type=dtype,
buttons=buttons)
return chkbox.show_dialog(primary_text=text1,
secondary_text=text2,
chktext=chktext)
def err_chkbox(self, text1, text2=None, chktext=None, buttons=None):
dtype = Gtk.MessageType.ERROR
buttons = buttons or Gtk.ButtonsType.OK
chkbox = _errorDialog(parent=self.get_parent(),
flags=0,
message_type=dtype,
buttons=buttons)
return chkbox.show_dialog(primary_text=text1,
secondary_text=text2,
chktext=chktext)
def chkbox_helper(self, getcb, setcb, text1, text2=None,
default=True,
chktext=_("Don't ask me again")):
"""
Helper to prompt user about proceeding with an operation
Returns True if the 'yes' or 'ok' button was selected, False otherwise
@default: What value to return if getcb tells us not to prompt
"""
do_prompt = getcb()
if not do_prompt:
return default
# pylint: disable=unpacking-non-sequence
res = self.warn_chkbox(text1=text1, text2=text2,
chktext=chktext,
buttons=Gtk.ButtonsType.YES_NO)
response, skip_prompt = res
setcb(not skip_prompt)
return response
def browse_local(self, dialog_name, start_folder=None,
_type=None, dialog_type=None,
choose_button=None, default_name=None,
confirm_overwrite=False):
"""
Helper function for launching a filechooser
@dialog_name: String to use in the title bar of the filechooser.
@start_folder: Folder the filechooser is viewing at startup
@_type: File extension to filter by (e.g. "iso", "png")
@dialog_type: Maps to FileChooserDialog 'action'
"""
if dialog_type is None:
dialog_type = Gtk.FileChooserAction.OPEN
if choose_button is None:
choose_button = Gtk.STOCK_OPEN
buttons = (Gtk.STOCK_CANCEL,
Gtk.ResponseType.CANCEL,
choose_button,
Gtk.ResponseType.ACCEPT)
fcdialog = Gtk.FileChooserDialog(title=dialog_name,
parent=self.get_parent(),
action=dialog_type,
buttons=buttons)
fcdialog.set_default_response(Gtk.ResponseType.ACCEPT)
if default_name:
fcdialog.set_current_name(default_name)
fcdialog.set_do_overwrite_confirmation(confirm_overwrite)
# Set file match pattern (ex. *.png)
if _type is not None:
pattern = _type
name = None
if isinstance(_type, tuple):
pattern = _type[0]
name = _type[1]
f = Gtk.FileFilter()
f.add_pattern("*." + pattern)
if name:
f.set_name(name)
fcdialog.set_filter(f)
if start_folder is not None:
if os.access(start_folder, os.R_OK):
fcdialog.set_current_folder(start_folder)
# Run the dialog and parse the response
ret = None
if fcdialog.run() == Gtk.ResponseType.ACCEPT:
ret = fcdialog.get_filename()
fcdialog.destroy()
return ret
class _errorDialog (Gtk.MessageDialog):
"""
Custom error dialog with optional check boxes or details drop down
"""
def __init__(self, *args, **kwargs):
Gtk.MessageDialog.__init__(self, *args, **kwargs)
self.set_title("")
for child in self.get_message_area().get_children():
if hasattr(child, "set_max_width_chars"):
child.set_max_width_chars(40)
self.get_accessible().set_name("vmm dialog")
self.chk_vbox = None
self.init_chkbox()
self.buffer = None
self.buf_expander = None
self.init_details()
def init_chkbox(self):
# Init check items
self.chk_vbox = Gtk.VBox(False, False)
self.chk_vbox.set_spacing(0)
self.chk_vbox.show_all()
self.vbox.pack_start( # pylint: disable=no-member
self.chk_vbox, False, False, 0)
def init_details(self):
# Init details buffer
self.buffer = Gtk.TextBuffer()
self.buf_expander = Gtk.Expander.new(_("Details"))
sw = Gtk.ScrolledWindow()
sw.set_shadow_type(Gtk.ShadowType.IN)
sw.set_size_request(400, 240)
sw.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
details = Gtk.TextView.new_with_buffer(self.buffer)
details.set_editable(False)
details.set_overwrite(False)
details.set_cursor_visible(False)
details.set_wrap_mode(Gtk.WrapMode.WORD)
details.set_border_width(6)
sw.add(details)
self.buf_expander.add(sw)
self.vbox.pack_start( # pylint: disable=no-member
self.buf_expander, False, False, 0)
self.buf_expander.show_all()
def show_dialog(self, primary_text, secondary_text="",
title="", details="", chktext="",
modal=True):
chkbox = None
res = None
# Hide starting widgets
self.hide()
self.buf_expander.hide()
for c in self.chk_vbox.get_children():
self.chk_vbox.remove(c) # pragma: no cover
if details:
self.buffer.set_text(details)
title = title or ""
self.buf_expander.show()
if chktext:
chkbox = Gtk.CheckButton(chktext)
self.chk_vbox.add(chkbox)
chkbox.show()
res = _launch_dialog(self,
primary_text, secondary_text or "",
title,
modal=modal)
if chktext:
res = [res, chkbox.get_active()]
return res
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