563 lines
24 KiB
Python
563 lines
24 KiB
Python
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import os
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import pygtk
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pygtk.require('2.0')
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import gtk
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#*******************************************************************************************************
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class DatabaseManager(object):
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DatabaseTypes = {}
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@classmethod
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def from_fpdb(klass, data, defaultDatabaseType=None):
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#TODO: parse whatever data is
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#TODO: sort out unsupported databases passed by user and log
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databases = (
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DatabaseTypeSqLite(name='myDb'),
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DatabaseTypeSqLite(name='myDb2'),
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)
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return klass(databases=databases, defaultDatabaseType=defaultDatabaseType)
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def __init__(self, databases=None, defaultDatabaseType=None):
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self._defaultDatabaseType = defaultDatabaseType
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self._databases = [] if databases is None else list(databases)
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def __iter__(self):
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return iter(self._databases)
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def set_default_database_type(self, databaseType):
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self._defaultDatabaseType = defaultDatabaseType
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def get_default_database_type(self):
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return self._defaultDatabaseType
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def database_from_id(self, idDatabase):
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for database in self._databases:
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if idDatabase == id(database):
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return database
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def database_id(self, database):
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return id(database)
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def add_database(self, database):
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if database in self._databases:
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raise ValueError('database already registered')
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self._databases.append(database)
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def remove_database(self, database):
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self._databases.remove(database)
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def init_database(self, database):
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pass
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class DatabaseTypeMeta(type):
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def __new__(klass, name, bases, kws):
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newKlass = type.__new__(klass, name, bases, kws)
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if newKlass.Type is not None:
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if newKlass.Type in DatabaseManager.DatabaseTypes:
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raise ValueError('data base type already registered for: %s' % newKlass.Type)
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DatabaseManager.DatabaseTypes[newKlass.Type] = newKlass
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return newKlass
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class DatabaseTypeBase(object):
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__metaclass__ = DatabaseTypeMeta
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Type = None
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Params = ()
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class DatabaseTypePostgres(DatabaseTypeBase):
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Type = 'postgres'
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@classmethod
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def display_name(klass):
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return 'Postgres'
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def __init__(self, name='', host='localhost', port=5432, user='postgres', password='', database='fpdb'):
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self.name = name
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self.host = host
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self.port = port
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self.user = user
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self.password = password
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self.database = database
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class DatabaseTypeMysql(DatabaseTypeBase):
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Type = 'mysql'
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@classmethod
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def display_name(klass):
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return 'MySql'
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def __init__(self, name='', host='localhost', port=3306, user='root', password='', database='fpdb'):
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self.name = name
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self.host = host
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self.port = port
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self.user = user
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self.password = password
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self.database = database
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class DatabaseTypeSqLite(DatabaseTypeBase):
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Type = 'sqlite'
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@classmethod
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def display_name(klass):
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return 'SqLite'
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def __init__(self, name='', host='', file='', database='fpdb'):
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self.name = name
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self.file = file
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self.database = database
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#TODO: how do we want to handle unsupported database types?
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# ..uncomment to remove unsupported database types
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#try: import psycopg2
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#except ImportError: del DatabaseManager.DatabaseTypes['postgres']
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#try: import MySQLdb
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#except ImportError: del DatabaseManager.DatabaseTypes['mysql']
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#try: import sqlite3
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#except ImportError: del DatabaseManager.DatabaseTypes['sqlite']
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#***************************************************************************************************************************
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#TODO: derrive from gtk.VBox?
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class WidgetDatabaseProperties(gtk.VBox):
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ModeNew = 0
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ModeEdit = 1
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ModeAdd = 2
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class SqLiteFileChooserButton(gtk.HBox):
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#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
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def __init__(self, widgetDatabaseProperties, parentWidget):
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gtk.HBox.__init__(self)
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self.set_homogeneous(False)
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self.parentWidget = parentWidget
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self.widgetDatabaseProperties = widgetDatabaseProperties
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self.entry = gtk.Entry()
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self.button = gtk.Button('...')
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self.button.connect('clicked', self.on_button_clicked)
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# layout widgets
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self.pack_start(self.entry, True, True)
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self.pack_start(self.button, False, False)
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def get_filename(self):
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return self.entry.get_text()
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def set_filename(self, name):
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self.entry.set_text(name)
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def on_button_clicked(self, button):
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if self.widgetDatabaseProperties.mode == WidgetDatabaseProperties.ModeAdd:
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action = gtk.FILE_CHOOSER_ACTION_OPEN
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elif self.widgetDatabaseProperties.mode == WidgetDatabaseProperties.ModeNew:
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action = gtk.FILE_CHOOSER_ACTION_SAVE
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else:
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raise ValueError('unsupported dialog mode')
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dlg = gtk.FileChooserDialog(
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title='Choose an exiting database file or type in name of a new one',
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parent=self.parentWidget,
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action=action,
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buttons=(
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gtk.STOCK_CANCEL, gtk.RESPONSE_REJECT,
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gtk.STOCK_OK, gtk.RESPONSE_OK,
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),
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backend=None
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)
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dlg.set_default_response(gtk.RESPONSE_OK)
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dlg.set_do_overwrite_confirmation(True)
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if dlg.run() == gtk.RESPONSE_OK:
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fileName = dlg.get_filename()
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self.set_filename(fileName)
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dlg.destroy()
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class FieldWidget(object):
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def __init__(self, text='', attrDatabase='', widget=None, attrGet=None, attrSet=None, defaultValue=None, canEdit=False, tooltip=''):
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"""
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@param canEdit: True if the user can edit the attr in edit mode, False otherwise
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"""
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self._label = gtk.Label(text)
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self._attrDatabase = attrDatabase
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self._widget = widget
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self._defaultValue = defaultValue
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self._attrGetter=None,
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self._attrGet = attrGet
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self._attrSet = attrSet
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self._canEdit = canEdit
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self._label.set_tooltip_text(tooltip)
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self._widget.set_tooltip_text(tooltip)
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def widget(self):
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return self._widget
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def label(self):
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return self._label
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def is_sensitive(self, database):
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return hasattr(database, self._attrDatabase)
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def can_edit(self):
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return self._canEdit
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def set_sensitive(self, flag):
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self._label.set_sensitive(flag)
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self._widget.set_sensitive(flag)
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def value_from_database(self, database):
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getattr(self._widget, self._attrSet)( getattr(database, self._attrDatabase) )
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def value_to_database(self, database):
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setattr(database, self._attrDatabase, getattr(self._widget, self._attrGet)() )
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def reset_value(self):
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getattr(self._widget, self._attrSet)(self._defaultValue)
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def __init__(self, databaseManager, database, mode=ModeEdit, parentWidget=None):
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gtk.VBox.__init__(self)
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self.databaseManager = databaseManager
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self.database = database
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self.mode = mode
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self.parentWidget = parentWidget
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self.fieldWidgets = (
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self.FieldWidget(
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text='Name:',
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attrDatabase='name',
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widget=gtk.Entry(),
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defaultValue='',
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attrGet='get_text',
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attrSet='set_text',
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canEdit=True,
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tooltip='Any name you like to name the database '
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),
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self.FieldWidget(
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text='Db:',
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attrDatabase='database',
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widget=gtk.Entry(),
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defaultValue='',
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attrGet='get_text',
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attrSet='set_text',
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canEdit=False,
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tooltip='Name of the database to create'
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),
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self.FieldWidget(
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text='File:',
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attrDatabase='file',
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widget=self.SqLiteFileChooserButton(self, self.parentWidget),
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defaultValue='',
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attrGet='get_filename',
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attrSet='set_filename',
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canEdit=False,
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tooltip='Fully qualified path of the file to hold the database '
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),
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self.FieldWidget(
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text='Host:',
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attrDatabase='host',
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widget=gtk.Entry(),
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defaultValue='',
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attrGet='get_text',
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attrSet='set_text',
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canEdit=False,
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tooltip='Host the database is located at'
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),
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self.FieldWidget(
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text='Port:',
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attrDatabase='port',
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widget=gtk.SpinButton(adjustment=gtk.Adjustment(value=0, lower=0, upper=999999, step_incr=1, page_incr=10) ),
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defaultValue=0,
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attrGet='get_value',
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attrSet='set_value',
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canEdit=False,
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tooltip='Port to use to connect to the host'
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),
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self.FieldWidget(
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text='User:',
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attrDatabase='user',
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widget=gtk.Entry(),
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defaultValue='',
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attrGet='get_text',
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attrSet='set_text',
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canEdit=False,
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tooltip='User name used to login to the host'
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),
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self.FieldWidget(
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text='Pwd:',
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attrDatabase='password',
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widget=gtk.Entry(),
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defaultValue='',
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attrGet='get_text',
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attrSet='set_text',
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canEdit=False,
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tooltip='Password used to login to the host'
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),
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)
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# setup database type combo
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self.comboType = gtk.ComboBox()
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listStore= gtk.ListStore(str, str)
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self.comboType.set_model(listStore)
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cell = gtk.CellRendererText()
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self.comboType.pack_start(cell, True)
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self.comboType.add_attribute(cell, 'text', 0)
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self.comboType.connect('changed', self.on_combo_type_changed)
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# fill database type combo with available database klasses. we store (databaseDisplayName, databaseType) in our model for later lookup
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iCurrentDatabase = 0
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databaseTypes = [(klass.display_name(), klass.Type) for klass in databaseManager.DatabaseTypes.values()]
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databaseTypes.sort()
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for i, (databaseDisplayName, databaseType) in enumerate(databaseTypes):
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listStore.append( (databaseDisplayName, databaseType) )
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if databaseType == self.database.Type:
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iCurrentDatabase = i
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if self.mode == self.ModeEdit or len(databaseTypes) < 2:
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self.comboType.set_button_sensitivity(gtk.SENSITIVITY_OFF)
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# init and layout field widgets
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self.pack_start(self.comboType, False, False, 2)
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table = gtk.Table(rows=len(self.fieldWidgets) +1, columns=2, homogeneous=False)
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self.pack_start(table, False, False, 2)
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for i,fieldWidget in enumerate(self.fieldWidgets):
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table.attach(fieldWidget.label(), 0, 1, i, i+1, xoptions=gtk.FILL)
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table.attach(fieldWidget.widget(), 1, 2, i, i+1)
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# init widget
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self.comboType.set_active(iCurrentDatabase)
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self._adjust_widgets(self.database)
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def _adjust_widgets(self, database):
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for fieldWidget in self.fieldWidgets:
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isSensitive = fieldWidget.is_sensitive(database)
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if isSensitive:
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fieldWidget.value_from_database(database)
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else:
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fieldWidget.reset_value()
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if self.mode == self.ModeEdit:
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isSensitive = isSensitive and fieldWidget.can_edit()
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fieldWidget.set_sensitive(isSensitive)
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def on_combo_type_changed(self, combo):
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i = self.comboType.get_active()
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if i < 0:
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return
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# check if we need to init a new database
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currentDatabaseType = self.comboType.get_model()[i][1]
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if currentDatabaseType == self.database.Type:
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return
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# create new empty database
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#NOTE: we dont register it in DatabaseManager
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self.database = self.databaseManager.DatabaseTypes[currentDatabaseType]()
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self._adjust_widgets(self.database)
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def get_database(self):
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for fieldWidget in self.fieldWidgets:
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if fieldWidget.is_sensitive(self.database):
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fieldWidget.value_to_database(self.database)
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return self.database
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class DialogDatabaseProperties(gtk.Dialog):
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def __init__(self, databaseManager, database, parent=None, mode=WidgetDatabaseProperties.ModeEdit, title=''):
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gtk.Dialog.__init__(self,
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title=title,
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parent=parent,
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flags=gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT,
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buttons=(
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gtk.STOCK_CANCEL, gtk.RESPONSE_REJECT,
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gtk.STOCK_OK, gtk.RESPONSE_ACCEPT,
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)
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)
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self.connect('response', self.on_dialog_response)
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# setup widget
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self.widgetDatabaseProperties = WidgetDatabaseProperties(databaseManager,database, mode=mode, parentWidget=self)
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self.vbox.pack_start(self.widgetDatabaseProperties, True, True)
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self.show_all()
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def get_widget_database_properties(self):
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return self.widgetDatabaseProperties
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def on_dialog_response(self, dlg, responseId):
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if responseId == gtk.RESPONSE_REJECT:
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pass
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elif responseId == gtk.RESPONSE_ACCEPT:
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pass
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#TODO: derrive from gtk.VBox?
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# ..is there a way to derrive from gtk.Widget or similar? this would make parentWidget kw obsolete
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class WidgetDatabaseManager(gtk.VBox):
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def __init__(self, databaseManager, parentWidget=None):
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gtk.VBox.__init__(self)
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self.databaseManager = databaseManager
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self.parentWidget = parentWidget
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#TODO: dono how to make word wrap work as expected
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self.labelInfo = gtk.Label('database management')
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self.labelInfo.set_line_wrap(True)
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self.labelInfo.set_selectable(True)
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self.labelInfo.set_single_line_mode(False)
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self.labelInfo.set_alignment(0, 0)
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# database management buttons
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#TODO: bit messy the distinction New/Add/Edit. we'd have to pass three flags to DialogDatabaseProperties
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# to handle this. maybe drop Edit (is just a Remove + Add), to keep things simple
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self.buttonDatabaseNew = gtk.Button("New..")
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self.buttonDatabaseNew.set_tooltip_text('creates a new database')
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self.buttonDatabaseNew.connect('clicked', self.on_button_database_new_clicked)
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self.buttonDatabaseAdd = gtk.Button("Add..")
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self.buttonDatabaseAdd.set_tooltip_text('adds an existing database')
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self.buttonDatabaseAdd.connect('clicked', self.on_button_database_add_clicked)
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self.buttonDatabaseEdit = gtk.Button("Edit..")
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self.buttonDatabaseEdit.set_tooltip_text('edit database settings')
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self.buttonDatabaseEdit.connect('clicked', self.on_button_database_edit_clicked)
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self.buttonDatabaseEdit.set_sensitive(False)
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self.buttonDatabaseRemove = gtk.Button("Remove")
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self.buttonDatabaseRemove.set_tooltip_text('removes the database from the list')
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self.buttonDatabaseRemove.set_sensitive(False)
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#TODO: i dont think we should do any real database management here. maybe drop it
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self.buttonDatabaseDelete = gtk.Button("Delete")
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self.buttonDatabaseDelete.set_tooltip_text('removes the database from the list and deletes it')
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self.buttonDatabaseDelete.set_sensitive(False)
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# init database tree
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self.treeDatabases = gtk.TreeView()
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self.treeDatabaseColumns = ( #NOTE: column names starting with '_' will be hidden
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'Name',
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'Status',
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'Type',
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'_id',
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)
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store = gtk.ListStore(str, str, str, int)
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self.treeDatabases.set_model(store)
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columns = ('Name', 'Status', 'Type', '_id')
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for i, column in enumerate(columns):
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col = gtk.TreeViewColumn(column, gtk.CellRendererText(), text=i)
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self.treeDatabases.append_column(col)
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if column.startswith('_'):
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col.set_visible(False)
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self.treeDatabaseColumns = dict([(name, i) for (i, name) in enumerate(self.treeDatabaseColumns)])
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self.treeDatabases.get_selection().connect('changed', self.on_tree_databases_selection_changed)
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# layout widgets
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vbox = gtk.VBox(self)
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vbox.pack_start(self.labelInfo, False, False, 2)
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vbox.pack_start(gtk.HSeparator(), False, False, 2)
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hbox = gtk.HBox()
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self.add(hbox)
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hbox.set_homogeneous(False)
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vbox = gtk.VBox()
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hbox.pack_start(vbox, False, False, 2)
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vbox.pack_start(self.buttonDatabaseNew, False, False, 2)
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vbox.pack_start(self.buttonDatabaseAdd, False, False, 2)
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vbox.pack_start(self.buttonDatabaseEdit, False, False, 2)
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vbox.pack_start(self.buttonDatabaseRemove, False, False, 2)
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vbox.pack_start(self.buttonDatabaseDelete, False, False, 2)
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box = gtk.VBox()
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vbox.pack_start(box, True, True, 0)
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hbox.pack_start(gtk.VSeparator(), False, False, 2)
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hbox.pack_end(self.treeDatabases, True, True, 2)
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self.show_all()
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# init widget
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for database in self.databaseManager:
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self.treeDatabases.get_model().append( (database.name, 'foo', database.Type, self.databaseManager.database_id(database)) )
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#TODO: for some reason i have to click OK/Cancel twice to close the dialog
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def on_button_database_new_clicked(self, button):
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databaseType = self.databaseManager.get_default_database_type()
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if databaseType is None:
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raise ValueError('no defult database type set')
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dlg = DialogDatabaseProperties(
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self.databaseManager,
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databaseType(),
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parent=self.parentWidget,
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mode=WidgetDatabaseProperties.ModeNew,
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title='[New database] - database properties'
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)
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if dlg.run() == gtk.RESPONSE_REJECT:
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pass
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if dlg.run() == gtk.RESPONSE_ACCEPT:
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database = dlg.get_widget_database_properties().get_database()
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#TODO: sanity checks + init databse if necessary
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self.databaseManager.add_database(database)
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self.treeDatabases.get_model().append( (database.name, 'foo', database.Type, self.databaseManager.database_id(database)) )
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dlg.destroy()
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def on_button_database_add_clicked(self, button):
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databaseType = self.databaseManager.get_default_database_type()
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if databaseType is None:
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raise ValueError('no defult database type set')
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dlg = DialogDatabaseProperties(
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self.databaseManager,
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databaseType(),
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parent=self.parentWidget,
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mode=WidgetDatabaseProperties.ModeAdd,
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title='[Add database] - database properties'
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)
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if dlg.run() == gtk.RESPONSE_REJECT:
|
|
pass
|
|
if dlg.run() == gtk.RESPONSE_ACCEPT:
|
|
database = dlg.get_widget_database_properties().get_database()
|
|
#TODO: sanity checks
|
|
self.databaseManager.add_database(database)
|
|
self.treeDatabases.get_model().append( (database.name, 'foo', database.Type, 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, iter = selection.get_selected()
|
|
idDatabase = model.get_value(iter, self.treeDatabaseColumns['_id'])
|
|
database = self.databaseManager.database_from_id(idDatabase)
|
|
dlg = DialogDatabaseProperties(
|
|
self.databaseManager,
|
|
database=database,
|
|
parent=self.parentWidget,
|
|
mode=WidgetDatabaseProperties.ModeEdit,
|
|
title='[Edit database] - database properties'
|
|
)
|
|
if dlg.run() == gtk.RESPONSE_REJECT:
|
|
pass
|
|
if dlg.run() == gtk.RESPONSE_ACCEPT:
|
|
database = dlg.get_database()
|
|
selection = self.treeDatabases.get_selection()
|
|
if selection is not None:
|
|
model, iter = selection.get_selected()
|
|
model.set_value(iter, 0, database.name)
|
|
dlg.destroy()
|
|
|
|
def on_tree_databases_selection_changed(self, treeSelection):
|
|
hasSelection = bool(treeSelection.count_selected_rows())
|
|
|
|
# enable/disable selection dependend widgets
|
|
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="My dialog",
|
|
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()
|
|
|
|
|