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gramps/src/ReportBase/_ReportDialog.py
Brian Matherly 5ad4dcee22 0001788: Book report crash 
svn: r10057
2008-02-19 04:24:56 +00:00

341 lines
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Python
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#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2001-2006 Donald N. Allingham
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# $Id$
#-------------------------------------------------------------------------
#
# Python modules
#
#-------------------------------------------------------------------------
import os
from gettext import gettext as _
import logging
log = logging.getLogger(".")
#-------------------------------------------------------------------------
#
# GTK+ modules
#
#-------------------------------------------------------------------------
import gtk
#-------------------------------------------------------------------------
#
# GRAMPS modules
#
#-------------------------------------------------------------------------
import Config
import Errors
from QuestionDialog import ErrorDialog, OptionDialog
from _Constants import (CATEGORY_TEXT, CATEGORY_DRAW, CATEGORY_BOOK,
CATEGORY_VIEW, CATEGORY_CODE, CATEGORY_WEB,
CATEGORY_GRAPHVIZ, standalone_categories)
from _BareReportDialog import BareReportDialog
from _FileEntry import FileEntry
#-------------------------------------------------------------------------
#
# ReportDialog class
#
#-------------------------------------------------------------------------
class ReportDialog(BareReportDialog):
"""
The ReportDialog base class. This is a base class for generating
customized dialogs to solicit options for a report. It cannot be
used as is, but it can be easily sub-classed to create a functional
dialog for a stand-alone report.
"""
def __init__(self, dbstate, uistate, person, option_class, name, trans_name,
track=[]):
"""Initialize a dialog to request that the user select options
for a basic *stand-alone* report."""
self.style_name = "default"
self.page_html_added = False
BareReportDialog.__init__(self, dbstate, uistate, person, option_class,
name, trans_name, track)
# Allow for post processing of the format frame, since the
# show_all task calls events that may reset values
def init_interface(self):
BareReportDialog.init_interface(self)
def get_title(self):
"""The window title for this dialog"""
name = self.report_name
category = standalone_categories[self.category]
return "%s - %s - GRAMPS" % (name,category)
def get_header(self, name):
"""The header line to put at the top of the contents of the
dialog box. By default this will just be the name of the
report for the selected person. """
return self.report_name
#------------------------------------------------------------------------
#
# Customization hooks for subclasses
#
#------------------------------------------------------------------------
def get_target_is_directory(self):
"""Is the user being asked to input the name of a file or a
directory in the 'Save As' File Entry widget. This item
currently only selects the Filename/Directory prompt, and
whether or not the browser accepts filenames. In the future it
may also control checking of the selected filename."""
return None
def get_default_basename(self):
"""What should the default name be?
"""
spath = self.options.handler.get_stylesheet_savefile()
return spath.split('.')[0]
#------------------------------------------------------------------------
#
# Functions related getting/setting the default directory for a dialog.
#
#------------------------------------------------------------------------
def get_default_directory(self):
"""Get the name of the directory to which the target dialog
box should default. This value can be set in the preferences
panel."""
return Config.get(Config.REPORT_DIRECTORY)
def set_default_directory(self, value):
"""Save the name of the current directory, so that any future
reports will default to the most recently used directory.
This also changes the directory name that will appear in the
preferences panel, but does not change the preference in disk.
This means that the last directory used will only be
remembered for this session of gramps unless the user saves
his/her preferences."""
Config.set(Config.REPORT_DIRECTORY,value)
#------------------------------------------------------------------------
#
# Functions related to setting up the dialog window.
#
#------------------------------------------------------------------------
def setup_target_frame(self):
"""Set up the target frame of the dialog. This function
relies on several target_xxx() customization functions to
determine whether the target is a directory or file, what the
title of any browser window should be, and what default
directory should be used."""
# Save Frame
label = gtk.Label("<b>%s</b>" % _('Document Options'))
label.set_use_markup(1)
label.set_alignment(0.0,0.5)
self.tbl.set_border_width(12)
self.tbl.attach(label, 0, 4, self.col, self.col+1, gtk.FILL)
self.col += 1
hid = self.get_stylesheet_savefile()
if hid[-4:]==".xml":
hid = hid[0:-4]
self.target_fileentry = FileEntry(hid,_("Save As"))
if self.get_target_is_directory():
self.target_fileentry.set_directory_entry(1)
self.doc_label = gtk.Label("%s:" % _("Directory"))
else:
self.doc_label = gtk.Label("%s:" % _("Filename"))
self.doc_label.set_alignment(0.0,0.5)
self.tbl.attach(self.doc_label, 1, 2, self.col, self.col+1,
xoptions=gtk.SHRINK|gtk.FILL,yoptions=gtk.SHRINK)
self.tbl.attach(self.target_fileentry, 2, 4, self.col, self.col+1,
xoptions=gtk.EXPAND|gtk.FILL,yoptions=gtk.SHRINK)
self.col += 1
spath = self.get_default_directory()
self.target_fileentry.set_filename(spath)
self.target_fileentry.gtk_entry().set_position(len(spath))
#------------------------------------------------------------------------
#
# Functions related to retrieving data from the dialog window
#
#------------------------------------------------------------------------
def parse_target_frame(self):
"""Parse the target frame of the dialog. If the target
filename is empty this routine returns a special value of None
to tell the calling routine to give up. This function also
saves the current directory so that any future reports will
default to the most recently used directory."""
self.target_path = self.target_fileentry.get_full_path(0)
if not self.target_path:
return None
# First we check whether the selected path exists
if os.path.exists(self.target_path):
# selected path is an existing dir and we need a dir
if os.path.isdir(self.target_path) \
and self.get_target_is_directory():
# check whether the dir has rwx permissions
if not os.access(self.target_path,os.R_OK|os.W_OK|os.X_OK):
ErrorDialog(_('Permission problem'),
_("You do not have permission to write "
"under the directory %s\n\n"
"Please select another directory or correct "
"the permissions." % self.target_path)
)
return None
# selected path is an exsting file and we need a file
if os.path.isfile(self.target_path) \
and not self.get_target_is_directory():
a = OptionDialog(_('File already exists'),
_('You can choose to either overwrite the '
'file, or change the selected filename.'),
_('_Overwrite'),None,
_('_Change filename'),None)
if a.get_response() == gtk.RESPONSE_YES:
return None
# selected path does not exist yet
else:
# we will need to create the file/dir
# need to make sure we can create in the parent dir
parent_dir = os.path.dirname(os.path.normpath(self.target_path))
if not os.access(parent_dir,os.W_OK):
ErrorDialog(_('Permission problem'),
_("You do not have permission to create "
"%s\n\n"
"Please select another path or correct "
"the permissions." % self.target_path)
)
return None
self.set_default_directory(os.path.dirname(self.target_path) + os.sep)
self.options.handler.output = self.target_path
return 1
def on_ok_clicked(self, obj):
"""The user is satisfied with the dialog choices. Validate
the output file name before doing anything else. If there is
a file name, gather the options and create the report."""
# Is there a filename? This should also test file permissions, etc.
if not self.parse_target_frame():
self.window.run()
# Preparation
self.parse_style_frame()
self.parse_user_options()
# Save options
self.options.handler.save_options()
#------------------------------------------------------------------------
#
# Generic task function a standalone GUI report
#
#------------------------------------------------------------------------
def report(dbstate,uistate,person,report_class,options_class,
trans_name,name,category, require_active):
"""
report - task starts the report. The plugin system requires that the
task be in the format of task that takes a database and a person as
its arguments.
"""
if require_active and not person:
ErrorDialog(
_('Active person has not been set'),
_('You must select an active person for this report to work '
'properly.'))
return
if category == CATEGORY_TEXT:
from _TextReportDialog import TextReportDialog
dialog_class = TextReportDialog
elif category == CATEGORY_DRAW:
from _DrawReportDialog import DrawReportDialog
dialog_class = DrawReportDialog
elif category == CATEGORY_GRAPHVIZ:
from _GraphvizReportDialog import GraphvizReportDialog
dialog_class = GraphvizReportDialog
elif category == CATEGORY_WEB:
from _WebReportDialog import WebReportDialog
dialog_class = WebReportDialog
elif category in (CATEGORY_BOOK,CATEGORY_CODE,CATEGORY_VIEW):
try:
report_class(dbstate,uistate,person)
except Errors.WindowActiveError:
pass
return
else:
dialog_class = ReportDialog
dialog = dialog_class(dbstate,uistate,person,options_class,name,trans_name)
while True:
response = dialog.window.run()
if response == gtk.RESPONSE_OK:
dialog.close()
try:
MyReport = report_class(dialog.db,dialog.person,dialog.options)
MyReport.doc.init()
MyReport.begin_report()
MyReport.write_report()
MyReport.end_report()
except Errors.FilterError, msg:
(m1,m2) = msg.messages()
ErrorDialog(m1,m2)
except IOError, msg:
ErrorDialog(_("Report could not be created"),str(msg))
except Errors.ReportError, msg:
(m1,m2) = msg.messages()
ErrorDialog(m1,m2)
except Errors.DatabaseError,msg:
ErrorDialog(_("Report could not be created"),str(msg))
# The following except statement will catch all "NoneType" exceptions.
# This is useful for released code where the exception is most likely
# a corrupt database. But it is less useful for developing new reports
# where the execption is most likely a report bug.
# except AttributeError,msg:
# if str(msg).startswith("'NoneType' object has no attribute"):
# # "'NoneType' object has no attribute ..." usually means
# # database corruption
# RunDatabaseRepair(str(msg))
# else:
# raise
raise
except:
log.error("Failed to run report.", exc_info=True)
break
elif (response == gtk.RESPONSE_DELETE_EVENT or
response == gtk.RESPONSE_CANCEL):
dialog.close()
break
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