removed DatabaseManager.py as it's unused

This commit is contained in:
steffen123 2010-07-07 04:16:44 +02:00
parent 7042f11954
commit d27d6a310c

View File

@ -1,827 +0,0 @@
#!/usr/bin/python2
# -*- coding: utf-8 -*-
#Copyright 2008-2010 J. Urner
#This program is free software: you can redistribute it and/or modify
#it under the terms of the GNU Affero General Public License as published by
#the Free Software Foundation, version 3 of the License.
#
#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 Affero General Public License
#along with this program. If not, see <http://www.gnu.org/licenses/>.
#In the "official" distribution you can find the license in agpl-3.0.txt.
"""Database manager
@todo: (gtk) how to validate user input in gtk.Dialog? as soon as the user clicks ok the dialog is dead. we use a while loop as workaround. not nice
@todo: (fpdb) we need the application name 'fpdb' from somewhere to put it in dialog titles
@todo: (fpdb) config object should be initialized globally and accessible from all modules via Configuration.py
@todo: (all dialogs) save/restore size and pos
@todo: (WidgetDatabaseManager) give database status meaningful colors
@todo: (WidgetDatabaseManager) implement database purging
@todo: (WidgetDatabaseManager) implement database export
@todo: (WidgetDatabaseManager) what to do on database doubleclick?
@todo: (WidgetDatabaseManager) context menu for database tree
@todo: (WidgetDatabaseManager) initializing/validating databases may take a while. how to give feedback?
"""
import os
import pygtk
pygtk.require('2.0')
import gtk
import gobject
#*******************************************************************************************************
class DatabaseManager(gobject.GObject):
DatabaseTypes = {}
@classmethod
def from_fpdb(klass, data, defaultDatabaseType=None):
#NOTE: if no databases are present in config fpdb fails with
# Traceback (most recent call last):
# File "/home/me2/Scr/Repos/fpdb-mme/pyfpdb/DatabaseManager.py", line 783, in <module>
# databaseManager = DatabaseManager.from_fpdb('', defaultDatabaseType=DatabaseTypeSqLite)
# File "/home/me2/Scr/Repos/fpdb-mme/pyfpdb/DatabaseManager.py", line 36, in from_fpdb
# config = Configuration.Config(file=options.config, dbname=options.dbname)
# File "/home/me2/Scr/Repos/fpdb-mme/pyfpdb/Configuration.py", line 436, in __init__
# db = self.get_db_parameters()
# File "/home/me2/Scr/Repos/fpdb-mme/pyfpdb/Configuration.py", line 583, in get_db_parameters
# name = self.db_selected
# AttributeError: Config instance has no attribute 'db_selected'
import sys
import Options
import Configuration
#NOTE: fpdb should perform this globally
(options, argv) = Options.fpdb_options()
config = Configuration.Config(file=options.config, dbname=options.dbname)
#TODO: handle no database present
defaultDatabaseName = config.get_db_parameters().get('db-databaseName', None)
#TODO: fpdb stores databases in no particular order. this has to be fixed somehow
databases = []
for name, fpdbDatabase in config.supported_databases.items():
databaseKlass = klass.DatabaseTypes.get(fpdbDatabase.db_server, None)
#NOTE: Config does not seem to validate user input, so anything may end up here
if databaseKlass is None:
raise ValueError('Unknown databasetype: %s' % fpdbDatabase.db_server)
database = databaseKlass()
if database.Type == 'sqlite':
database.name = fpdbDatabase.db_name
database.file = fpdbDatabase.db_server
else:
database.name = fpdbDatabase.db_name
database.host = fpdbDatabase.db_server
#NOTE: fpdbDatabase.db_ip is no is a string
database.port = int(fpdbDatabase.db_ip)
database.user = fpdbDatabase.db_user
database.password = fpdbDatabase.db_pass
databases.append(database)
return klass(databases=databases, defaultDatabaseType=defaultDatabaseType)
def to_fpdb(self):
pass
def __init__(self, databases=None, defaultDatabaseType=None):
gobject.GObject.__init__(self)
self._defaultDatabaseType = defaultDatabaseType
self._databases = [] if databases is None else list(databases)
self._activeDatabase = None
def __iter__(self):
return iter(self._databases)
def set_default_database_type(self, databaseType):
self._defaultDatabaseType = defaultDatabaseType
def get_default_database_type(self):
return self._defaultDatabaseType
def database_from_id(self, idDatabase):
for database in self._databases:
if idDatabase == self.database_id(database):
return database
def database_id(self, database):
return id(database)
def add_database(self, database):
if database in self._databases:
raise ValueError('database already registered')
self._databases.append(database)
def remove_database(self, database):
self._databases.remove(database)
def activate_database(self, database):
if self._activeDatabase is not None:
self._activeDatabase.status = self._activeDatabase.StatusInactive
#TODO: finalize database
self.emit('database-deactivated', self.database_id(self._activeDatabase) )
database.status = database.StatusActive
#TODO: activate database
self._activeDatabase = database
self.emit('database-activated', self.database_id(database) )
def active_database(self):
return self._activeDatabase
# register DatabaseManager signals
gobject.type_register(DatabaseManager)
gobject.signal_new('database-activated', DatabaseManager, gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, (int, ))
gobject.signal_new('database-deactivated', DatabaseManager, gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, (int, ))
gobject.signal_new('database-error', DatabaseManager, gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, (int, ))
class DatabaseTypeMeta(type):
def __new__(klass, name, bases, kws):
newKlass = type.__new__(klass, name, bases, kws)
if newKlass.Type is not None:
if newKlass.Type in DatabaseManager.DatabaseTypes:
raise ValueError('data base type already registered for: %s' % newKlass.Type)
DatabaseManager.DatabaseTypes[newKlass.Type] = newKlass
return newKlass
class DatabaseTypeBase(object):
__metaclass__ = DatabaseTypeMeta
Type = None
StatusActive = 'active'
StatusInactive = 'inactive'
StatusError = 'error' #TODO: not implemented
#TODO: not happy with returning error string. just being too lazy to impl dozens of error codes for later translation
def init_new_database(self):
"""initializes a new empty database
@return: (str) error if something goes wrong, None otherwise
"""
raise NotImplementedError()
def validate_database(self):
"""checks if the database is valid
@return: (str) error if something goes wrong, None otherwise
"""
raise NotImplementedError()
class DatabaseTypePostgres(DatabaseTypeBase):
Type = 'postgresql'
@classmethod
def display_name(klass):
return 'Postgres'
def __init__(self, name='', host='localhost', port=5432, user='postgres', password='', database='fpdb'):
self.name = name
self.host = host
self.port = port
self.user = user
self.password = password
self.database = database
self.status = self.StatusInactive
#TODO: implement
def init_new_database(self):
pass
#TODO: implement
def validate_database(self):
pass
class DatabaseTypeMysql(DatabaseTypeBase):
Type = 'mysql'
@classmethod
def display_name(klass):
return 'MySql'
def __init__(self, name='', host='localhost', port=3306, user='root', password='', database='fpdb'):
self.name = name
self.host = host
self.port = port
self.user = user
self.password = password
self.database = database
self.status = self.StatusInactive
#TODO: implement
def init_new_database(self):
pass
#TODO: implement
def validate_database(self):
pass
class DatabaseTypeSqLite(DatabaseTypeBase):
Type = 'sqlite'
@classmethod
def display_name(klass):
return 'SqLite'
def __init__(self, name='', host='', file='', database='fpdb'):
self.name = name
self.file = file
self.status = self.StatusInactive
def init_new_database(self):
# make shure all attrs are specified
if not self.file:
return 'no database file specified'
# create file if necessary (this will truncate file if it exists)
try:
open(self.file, 'w').close()
except IOError:
return 'can not write file'
#TODO: init tables (...)
def validate_database(self):
pass
#TODO: check if tables (...) exist
#TODO: how do we want to handle unsupported database types?
# ..uncomment to remove unsupported database types
#try: import psycopg2
#except ImportError: del DatabaseManager.DatabaseTypes['postgres']
#try: import MySQLdb
#except ImportError: del DatabaseManager.DatabaseTypes['mysql']
#try: import sqlite3
#except ImportError: del DatabaseManager.DatabaseTypes['sqlite']
#***************************************************************************************************************************
#TODO: there is no title (on linux), wtf?
def DialogError(parent=None, msg=''):
dlg = gtk.MessageDialog(
parent=parent,
flags=gtk.DIALOG_MODAL|gtk.DIALOG_DESTROY_WITH_PARENT,
type=gtk.MESSAGE_ERROR,
buttons=gtk.BUTTONS_OK,
message_format=msg,
)
dlg.run()
dlg.destroy()
return None
#TODO: derrive from gtk.VBox?
class WidgetDatabaseProperties(gtk.VBox):
ModeNew = 0
ModeEdit = 1
ModeAdd = 2
class SqLiteFileChooserButton(gtk.HBox):
#NOTE: for some weird reason it is impossible to let the user choose a non exiting filename with gtk.FileChooserButton, so impl our own on the fly
def __init__(self, widgetDatabaseProperties, parentWidget):
gtk.HBox.__init__(self)
self.set_homogeneous(False)
self.parentWidget = parentWidget
self.widgetDatabaseProperties = widgetDatabaseProperties
self.entry = gtk.Entry()
self.button = gtk.Button('...')
self.button.connect('clicked', self.on_button_clicked)
# layout widgets
self.pack_start(self.entry, True, True)
self.pack_start(self.button, False, False)
def get_filename(self):
return self.entry.get_text()
def set_filename(self, name):
self.entry.set_text(name)
def on_button_clicked(self, button):
if self.widgetDatabaseProperties.mode == WidgetDatabaseProperties.ModeAdd:
action = gtk.FILE_CHOOSER_ACTION_OPEN
elif self.widgetDatabaseProperties.mode == WidgetDatabaseProperties.ModeNew:
action = gtk.FILE_CHOOSER_ACTION_SAVE
else:
raise ValueError('unsupported dialog mode')
dlg = gtk.FileChooserDialog(
title='Choose an exiting database file or type in name of a new one',
parent=self.parentWidget,
action=action,
buttons=(
gtk.STOCK_CANCEL, gtk.RESPONSE_REJECT,
gtk.STOCK_OK, gtk.RESPONSE_OK,
),
backend=None
)
dlg.set_default_response(gtk.RESPONSE_OK)
dlg.set_do_overwrite_confirmation(True)
if dlg.run() == gtk.RESPONSE_OK:
fileName = dlg.get_filename()
self.set_filename(fileName)
dlg.destroy()
#TODO: bit ugly this thingy. try to find a better way to map database attrs to gtk widgets
class FieldWidget(object):
def __init__(self, text='', attrDatabase='', widget=None, attrGet=None, attrSet=None, defaultValue=None, canEdit=False, tooltip=''):
"""
@param canEdit: True if the user can edit the attr in edit mode, False otherwise
"""
self._label = gtk.Label(text)
self._attrDatabase = attrDatabase
self._widget = widget
self._defaultValue = defaultValue
self._attrGetter=None,
self._attrGet = attrGet
self._attrSet = attrSet
self._canEdit = canEdit
self._label.set_tooltip_text(tooltip)
self._widget.set_tooltip_text(tooltip)
def widget(self):
return self._widget
def label(self):
return self._label
def is_sensitive(self, database):
return hasattr(database, self._attrDatabase)
def can_edit(self):
return self._canEdit
def set_sensitive(self, flag):
self._label.set_sensitive(flag)
self._widget.set_sensitive(flag)
def value_from_database(self, database):
getattr(self._widget, self._attrSet)( getattr(database, self._attrDatabase) )
def value_to_database(self, database):
setattr(database, self._attrDatabase, getattr(self._widget, self._attrGet)() )
def reset_value(self):
getattr(self._widget, self._attrSet)(self._defaultValue)
def __init__(self, databaseManager, database, mode=ModeEdit, parentWidget=None):
gtk.VBox.__init__(self)
self.databaseManager = databaseManager
self.database = database
self.mode = mode
self.parentWidget = parentWidget
self.fieldWidgets = (
self.FieldWidget(
text='Name:',
attrDatabase='name',
widget=gtk.Entry(),
defaultValue='',
attrGet='get_text',
attrSet='set_text',
canEdit=True,
tooltip='Any name you like to name the database '
),
self.FieldWidget(
text='File:',
attrDatabase='file',
widget=self.SqLiteFileChooserButton(self, self.parentWidget),
defaultValue='',
attrGet='get_filename',
attrSet='set_filename',
canEdit=False,
tooltip='Fully qualified path of the file to hold the database '
),
self.FieldWidget(
text='Host:',
attrDatabase='host',
widget=gtk.Entry(),
defaultValue='',
attrGet='get_text',
attrSet='set_text',
canEdit=False,
tooltip='Host the database is located at'
),
self.FieldWidget(
text='Port:',
attrDatabase='port',
widget=gtk.SpinButton(adjustment=gtk.Adjustment(value=0, lower=0, upper=999999, step_incr=1, page_incr=10) ),
defaultValue=0,
attrGet='get_value',
attrSet='set_value',
canEdit=False,
tooltip='Port to use to connect to the host'
),
self.FieldWidget(
text='User:',
attrDatabase='user',
widget=gtk.Entry(),
defaultValue='',
attrGet='get_text',
attrSet='set_text',
canEdit=False,
tooltip='User name used to login to the host'
),
self.FieldWidget(
text='Pwd:',
attrDatabase='password',
widget=gtk.Entry(),
defaultValue='',
attrGet='get_text',
attrSet='set_text',
canEdit=False,
tooltip='Password used to login to the host'
),
self.FieldWidget(
text='Db:',
attrDatabase='database',
widget=gtk.Entry(),
defaultValue='',
attrGet='get_text',
attrSet='set_text',
canEdit=False,
tooltip='Name of the database'
),
)
# setup database type combo
self.comboType = gtk.ComboBox()
listStore= gtk.ListStore(str, str)
self.comboType.set_model(listStore)
cell = gtk.CellRendererText()
self.comboType.pack_start(cell, True)
self.comboType.add_attribute(cell, 'text', 0)
self.comboType.connect('changed', self.on_combo_type_changed)
# fill database type combo with available database klasses. we store (databaseDisplayName, databaseType) in our model for later lookup
iCurrentDatabase = 0
databaseTypes = [(klass.display_name(), klass.Type) for klass in databaseManager.DatabaseTypes.values()]
databaseTypes.sort()
for i, (databaseDisplayName, databaseType) in enumerate(databaseTypes):
listStore.append( (databaseDisplayName, databaseType) )
if databaseType == self.database.Type:
iCurrentDatabase = i
if self.mode == self.ModeEdit or len(databaseTypes) < 2:
self.comboType.set_button_sensitivity(gtk.SENSITIVITY_OFF)
# init and layout field widgets
self.pack_start(self.comboType, False, False, 2)
table = gtk.Table(rows=len(self.fieldWidgets) +1, columns=2, homogeneous=False)
self.pack_start(table, False, False, 2)
for i,fieldWidget in enumerate(self.fieldWidgets):
table.attach(fieldWidget.label(), 0, 1, i, i+1, xoptions=gtk.FILL)
table.attach(fieldWidget.widget(), 1, 2, i, i+1)
# init widget
self.comboType.set_active(iCurrentDatabase)
self._adjust_widgets(self.database)
def _adjust_widgets(self, database):
for fieldWidget in self.fieldWidgets:
isSensitive = fieldWidget.is_sensitive(database)
if isSensitive:
fieldWidget.value_from_database(database)
else:
fieldWidget.reset_value()
if self.mode == self.ModeEdit:
isSensitive = isSensitive and fieldWidget.can_edit()
fieldWidget.set_sensitive(isSensitive)
def on_combo_type_changed(self, combo):
i = self.comboType.get_active()
if i < 0:
return
# check if we need to init a new database
currentDatabaseType = self.comboType.get_model()[i][1]
if currentDatabaseType == self.database.Type:
return
# create new empty database
#NOTE: we dont register it in DatabaseManager
self.database = self.databaseManager.DatabaseTypes[currentDatabaseType]()
self._adjust_widgets(self.database)
def get_database(self):
for fieldWidget in self.fieldWidgets:
if fieldWidget.is_sensitive(self.database):
fieldWidget.value_to_database(self.database)
return self.database
class DialogDatabaseProperties(gtk.Dialog):
def __init__(self, databaseManager, database, parent=None, mode=WidgetDatabaseProperties.ModeEdit, title=''):
gtk.Dialog.__init__(self,
title=title,
parent=parent,
flags=gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT,
buttons=(
gtk.STOCK_CANCEL, gtk.RESPONSE_REJECT,
gtk.STOCK_OK, gtk.RESPONSE_ACCEPT,
)
)
self.connect('response', self.on_dialog_response)
# setup widget
self.widgetDatabaseProperties = WidgetDatabaseProperties(databaseManager,database, mode=mode, parentWidget=self)
self.vbox.pack_start(self.widgetDatabaseProperties, True, True)
self.show_all()
def get_widget_database_properties(self):
return self.widgetDatabaseProperties
def on_dialog_response(self, dlg, responseId):
if responseId == gtk.RESPONSE_REJECT:
pass
elif responseId == gtk.RESPONSE_ACCEPT:
pass
#TODO: derrive from gtk.VBox?
# ..is there a way to derrive from gtk.Widget or similar? this would make parentWidget kw obsolete
class WidgetDatabaseManager(gtk.VBox):
"""
"""
def __init__(self, databaseManager, parentWidget=None):
gtk.VBox.__init__(self)
self.parentWidget = parentWidget
self.databaseManager = databaseManager
self.databaseManager.connect('database-activated', self.on_database_manager_database_activated)
self.databaseManager.connect('database-deactivated', self.on_database_manager_database_deactivated)
self.databaseStatusNames = {
DatabaseTypeBase.StatusActive: 'Active',
DatabaseTypeBase.StatusInactive: 'Inactive',
DatabaseTypeBase.StatusError: 'Error',
}
#TODO: dono how to make word wrap work as expected
self.labelInfo = gtk.Label('database management')
self.labelInfo.set_line_wrap(True)
self.labelInfo.set_selectable(True)
self.labelInfo.set_single_line_mode(False)
self.labelInfo.set_alignment(0, 0)
# database management buttons
#TODO: bit messy the distinction New/Add/Edit. we'd have to pass three flags to DialogDatabaseProperties
# to handle this. maybe drop Edit (is just a Remove + Add), to keep things simple
self.buttonDatabaseActivate = gtk.Button("Activate")
self.buttonDatabaseActivate.set_tooltip_text('activates the database')
self.buttonDatabaseActivate.connect('clicked', self.on_button_database_activate_clicked)
self.buttonDatabaseActivate.set_sensitive(False)
self.buttonDatabaseNew = gtk.Button("New..")
self.buttonDatabaseNew.set_tooltip_text('creates a new database')
self.buttonDatabaseNew.connect('clicked', self.on_button_database_new_clicked)
self.buttonDatabaseAdd = gtk.Button("Add..")
self.buttonDatabaseAdd.set_tooltip_text('adds an existing database')
self.buttonDatabaseAdd.connect('clicked', self.on_button_database_add_clicked)
self.buttonDatabaseEdit = gtk.Button("Edit..")
self.buttonDatabaseEdit.set_tooltip_text('edit database settings')
self.buttonDatabaseEdit.connect('clicked', self.on_button_database_edit_clicked)
self.buttonDatabaseEdit.set_sensitive(False)
self.buttonDatabaseRemove = gtk.Button("Remove")
self.buttonDatabaseRemove.set_tooltip_text('removes the database from the list')
self.buttonDatabaseRemove.set_sensitive(False)
self.buttonDatabaseRemove.connect('clicked', self.on_button_database_remove_clicked)
#TODO: i dont think we should do any real database management here. maybe drop it
#self.buttonDatabaseDelete = gtk.Button("Delete")
#self.buttonDatabaseDelete.set_tooltip_text('removes the database from the list and deletes it')
#self.buttonDatabaseDelete.set_sensitive(False)
# init database tree
self.treeDatabases = gtk.TreeView()
treeDatabaseColumns = ( # name, displayName, dataType
('name', 'Name', str),
('status', 'Status', str),
('type', 'Type', str),
('_id', '', int),
)
self.treeDatabaseColumns = {} # name --> index
store = gtk.ListStore( *[i[2] for i in treeDatabaseColumns] )
self.treeDatabases.set_model(store)
for i, (name, displayName, dataType) in enumerate(treeDatabaseColumns):
col = gtk.TreeViewColumn(displayName, gtk.CellRendererText(), text=i)
self.treeDatabases.append_column(col)
if name.startswith('_'):
col.set_visible(False)
self.treeDatabaseColumns[name] = i
self.treeDatabases.get_selection().connect('changed', self.on_tree_databases_selection_changed)
# layout widgets
vbox = gtk.VBox(self)
vbox.pack_start(self.labelInfo, False, False, 2)
vbox.pack_start(gtk.HSeparator(), False, False, 2)
hbox = gtk.HBox()
self.add(hbox)
hbox.set_homogeneous(False)
vbox = gtk.VBox()
hbox.pack_start(vbox, False, False, 2)
vbox.pack_start(self.buttonDatabaseActivate, False, False, 2)
vbox.pack_start(self.buttonDatabaseNew, False, False, 2)
vbox.pack_start(self.buttonDatabaseAdd, False, False, 2)
vbox.pack_start(self.buttonDatabaseEdit, False, False, 2)
vbox.pack_start(self.buttonDatabaseRemove, False, False, 2)
#vbox.pack_start(self.buttonDatabaseDelete, False, False, 2)
box = gtk.VBox()
vbox.pack_start(box, True, True, 0)
hbox.pack_start(gtk.VSeparator(), False, False, 2)
hbox.pack_end(self.treeDatabases, True, True, 2)
self.show_all()
# init widget
model = self.treeDatabases.get_model()
for database in self.databaseManager:
it = model.append()
model.set_value(it, self.treeDatabaseColumns['name'], database.name)
model.set_value(it, self.treeDatabaseColumns['status'], self.databaseStatusNames[database.status] )
model.set_value(it, self.treeDatabaseColumns['type'], database.display_name() )
model.set_value(it, self.treeDatabaseColumns['_id'], self.databaseManager.database_id(database))
def on_database_manager_database_activated(self, databaseManager, idDatabase):
database = self.databaseManager.database_from_id(idDatabase)
model = self.treeDatabases.get_model()
for row in iter(model):
if row[self.treeDatabaseColumns['_id']] == idDatabase:
row[self.treeDatabaseColumns['status']] = self.databaseStatusNames[database.StatusActive]
break
else:
raise ValueError('database not found')
def on_database_manager_database_deactivated(self, databaseManager, idDatabase):
database = self.databaseManager.database_from_id(idDatabase)
model = self.treeDatabases.get_model()
for row in iter(model):
if row[self.treeDatabaseColumns['_id']] == idDatabase:
row[self.treeDatabaseColumns['status']] = self.databaseStatusNames[database.StatusInactive]
break
else:
raise ValueError('database not found')
def on_button_database_activate_clicked(self, button):
selection = self.treeDatabases.get_selection()
if selection is None:
return
model, it = selection.get_selected()
idDatabase = model.get_value(it, self.treeDatabaseColumns['_id'])
database = self.databaseManager.database_from_id(idDatabase)
self.databaseManager.activate_database(database)
#TODO: for some reason i have to click OK/Cancel twice to close the dialog
def on_button_database_new_clicked(self, button):
databaseKlass = self.databaseManager.get_default_database_type()
if databaseKlass is None:
raise ValueError('no default database type set')
database = databaseKlass()
while True:
dlg = DialogDatabaseProperties(
self.databaseManager,
database,
parent=self.parentWidget,
mode=WidgetDatabaseProperties.ModeNew,
title='New database'
)
response = dlg.run()
if response == gtk.RESPONSE_ACCEPT:
database = dlg.get_widget_database_properties().get_database()
#TODO: initing may or may not take a while. how to handle?
error = database.init_new_database()
if error:
DialogError(parent=dlg, msg=error)
dlg.destroy()
continue
else:
database = None
dlg.destroy()
break
if database is None:
return
self.databaseManager.add_database(database)
model = self.treeDatabases.get_model()
it = model.append()
model.set_value(it, self.treeDatabaseColumns['name'], database.name)
model.set_value(it, self.treeDatabaseColumns['status'], self.databaseStatusNames[database.status] )
model.set_value(it, self.treeDatabaseColumns['type'], database.display_name() )
model.set_value(it, self.treeDatabaseColumns['_id'], self.databaseManager.database_id(database))
def on_button_database_add_clicked(self, button):
databaseKlass = self.databaseManager.get_default_database_type()
if databaseKlass is None:
raise ValueError('no defult database type set')
database = databaseKlass()
while True:
dlg = DialogDatabaseProperties(
self.databaseManager,
database,
parent=self.parentWidget,
mode=WidgetDatabaseProperties.ModeAdd,
title='Add database'
)
response = dlg.run()
if response == gtk.RESPONSE_ACCEPT:
database = dlg.get_widget_database_properties().get_database()
#TODO: validating may or may not take a while. how to handle?
error = database.validate_database()
if error:
DialogError(parent=self.parentWidget, msg=error)
dlg.destroy()
continue
else:
database = None
dlg.destroy()
break
if database is None:
return
self.databaseManager.add_database(database)
model = self.treeDatabases.get_model()
it = model.append()
model.set_value(it, self.treeDatabaseColumns['name'], database.name)
model.set_value(it, self.treeDatabaseColumns['status'], self.databaseStatusNames[database.status] )
model.set_value(it, self.treeDatabaseColumns['type'], database.display_name() )
model.set_value(it, self.treeDatabaseColumns['_id'], self.databaseManager.database_id(database))
dlg.destroy()
def on_button_database_edit_clicked(self, button):
selection = self.treeDatabases.get_selection()
if selection is None:
return
model, it = selection.get_selected()
idDatabase = model.get_value(it, self.treeDatabaseColumns['_id'])
database = self.databaseManager.database_from_id(idDatabase)
dlg = DialogDatabaseProperties(
self.databaseManager,
database,
parent=self.parentWidget,
mode=WidgetDatabaseProperties.ModeEdit,
title='Edit database'
)
response = dlg.run()
if response == gtk.RESPONSE_REJECT:
pass
elif response == gtk.RESPONSE_ACCEPT:
database = dlg.get_database()
selection = self.treeDatabases.get_selection()
if selection is not None:
model, it = selection.get_selected()
model.set_value(it, self.treeDatabaseColumns['name'], database.name)
dlg.destroy()
def on_button_database_remove_clicked(self, button):
selection = self.treeDatabases.get_selection()
if selection is None:
return
model, it = selection.get_selected()
#TODO: finalize database
model.remove(it)
def on_tree_databases_selection_changed(self, treeSelection):
hasSelection = bool(treeSelection.count_selected_rows())
# enable/disable selection dependend widgets
self.buttonDatabaseActivate.set_sensitive(hasSelection)
self.buttonDatabaseEdit.set_sensitive(hasSelection)
self.buttonDatabaseRemove.set_sensitive(hasSelection)
#self.buttonDatabaseDelete.set_sensitive(hasSelection)
class DialogDatabaseManager(gtk.Dialog):
def __init__(self, databaseManager, parent=None):
gtk.Dialog.__init__(self,
title="Databases",
parent=parent,
flags=gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT,
buttons=(
gtk.STOCK_CANCEL, gtk.RESPONSE_REJECT,
gtk.STOCK_OK, gtk.RESPONSE_ACCEPT,
))
#self.set_size_request(260, 250)
self.widgetDatabaseManager = WidgetDatabaseManager(databaseManager, parentWidget=self)
self.vbox.pack_start(self.widgetDatabaseManager, True, True)
self.show_all()
#**************************************************************************************************
if __name__ == '__main__':
databaseManager = DatabaseManager.from_fpdb('', defaultDatabaseType=DatabaseTypeSqLite)
#d = DialogDatabaseProperties(
# DatabaseManager(defaultDatabaseType=DatabaseTypeSqLite),
#database=DatabaseTypePostgres(),
# database=None,
# )
d = DialogDatabaseManager(databaseManager)
d.connect("destroy", gtk.main_quit)
d.run()
#gtk.main()