again, many many changes + still ugly code
Signed-off-by: fpdb-mme <jUrner@arcor.de>
This commit is contained in:
fpdb-mme
parent
2a878d0a83
commit
a3a72712ac
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@ -12,7 +12,7 @@ class DatabaseManager(object):
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def from_fpdb(klass, data, defaultDatabaseType=None):
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#TODO: parse whatever data is
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databases = (
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DatabaseTypePostgres(name='myDb'),
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DatabaseTypeSqLite(name='myDb'),
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DatabaseTypeSqLite(name='myDb2'),
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)
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@ -34,11 +34,10 @@ class DatabaseManager(object):
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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 create_database(self, databaseType, **kws):
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databaseKlass = self.DatabaseTypes[databaseType]
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database = databaseType(**kws)
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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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return database
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def remove_database(self, database):
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self._databases.remove(database)
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@ -54,9 +53,13 @@ class DatabaseTypeMeta(type):
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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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@ -64,9 +67,12 @@ class DatabaseTypePostgres(DatabaseTypeBase):
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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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@ -74,13 +80,25 @@ class DatabaseTypeMysql(DatabaseTypeBase):
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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=''):
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self.name = name
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self.file = file
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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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class MyFileChooserButton(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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@ -124,8 +142,9 @@ class MyFileChooserButton(gtk.HBox):
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# 1. user types in a new filename. easy one, create the file
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# 2. user selectes a file with the intention to overwrite it
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# 3. user selects a file with the intention to plug an existing database file in
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#IDEA: impl open_existing as plug in, never overwrite, cos we can not guess
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#PROBLEMS: how to validate an existing file is a database?
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#
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# if we create a new one, choice is create_new or overwrite
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# if we add a database we may have to sanity check user picked one
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def on_dialog_confirm_overwrite(self, dlg):
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print dlg.get_filename()
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@ -138,12 +157,14 @@ class MyFileChooserButton(gtk.HBox):
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gtk.FILE_CHOOSER_CONFIRMATION_SELECT_AGAIN
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#
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#TODO: rewrite to use idDatabase + create and remove databases through DatabaseManager
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#TODO: derrive from gtk.VBox?
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class WidgetDatabaseProperties(gtk.VBox):
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ModeEdit = 0x1
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ModeAdd = 0x2
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ModeNew = 0x4
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ModeNew = 0
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ModeEdit = 1
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ModeAdd = 2
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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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@ -179,10 +200,13 @@ class WidgetDatabaseProperties(gtk.VBox):
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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=None, flags=ModeEdit):
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def __init__(self, databaseManager, database, mode=ModeEdit):
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gtk.VBox.__init__(self)
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self.flags = flags
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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.fieldWidgets = (
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self.FieldWidget(
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text='Name:',
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@ -263,10 +287,18 @@ class WidgetDatabaseProperties(gtk.VBox):
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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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# fill out combo with database type. we store (displayName, databaseType) in our model for later lookup
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for dbType, dbDisplayName in sorted([(klass.Type, klass.Type) for klass in databaseManager.DatabaseTypes.values()]):
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listStore.append( (dbDisplayName, dbType) )
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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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@ -277,60 +309,37 @@ class WidgetDatabaseProperties(gtk.VBox):
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table.attach(fieldWidget.widget(), 1, 2, i, i+1)
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# init widget
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# if a database has been passed user is not allowed to change database type
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if database is None:
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self.comboType.set_button_sensitivity(gtk.SENSITIVITY_ON)
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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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self.comboType.set_button_sensitivity(gtk.SENSITIVITY_OFF)
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# set current database
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self.databaseManager = databaseManager
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self.database= None
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if database is None:
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databaseType = self.databaseManager.get_default_database_type()
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if databaseType is not None:
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database = databaseType()
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if database is not None:
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self.set_database(database)
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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 > -1:
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# change database if necessary
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currentDatabaseType = self.comboType.get_model()[i][1]
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if currentDatabaseType != self.database.Type:
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newDatabase = self.databaseManager.DatabaseTypes[currentDatabaseType]()
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self.set_database(newDatabase)
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def set_database(self, database):
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self.database = database
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# adjust database type combo if necessary
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i = self.comboType.get_active()
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if i == -1:
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currentDatabaseType = None
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else:
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currentDatabaseType = self.comboType.get_model()[i][1]
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if currentDatabaseType != self.database.Type:
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for i, row in enumerate(self.comboType.get_model()):
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if row[1] == self.database.Type:
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self.comboType.set_active(i)
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break
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else:
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raise ValueError('unknown database type')
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# adjust field widgets to database
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for fieldWidget in self.fieldWidgets:
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isSensitive = fieldWidget.is_sensitive(self.database)
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if isSensitive:
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fieldWidget.value_from_database(self.database)
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else:
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fieldWidget.reset_value()
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if self.flags & self.ModeEdit:
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isSensitive = isSensitive and fieldWidget.can_edit()
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fieldWidget.set_sensitive(isSensitive)
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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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@ -339,16 +348,7 @@ class WidgetDatabaseProperties(gtk.VBox):
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class DialogDatabaseProperties(gtk.Dialog):
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def __init__(self, databaseManager, database=None,parent=None, flags=WidgetDatabaseProperties.ModeEdit):
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if flags & WidgetDatabaseProperties.ModeEdit:
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title = '[Edit database] - database properties'
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elif flags & WidgetDatabaseProperties.ModeAdd:
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title = '[Add database] - database properties'
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elif flags & WidgetDatabaseProperties.ModeNew:
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title = '[New database] - database properties'
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else:
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title = 'database properties'
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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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@ -361,13 +361,12 @@ class DialogDatabaseProperties(gtk.Dialog):
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self.connect('response', self.on_dialog_response)
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# setup widget
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self.flags = flags
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self.widgetDatabaseProperties = WidgetDatabaseProperties(databaseManager,database=database, flags=self.flags)
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self.widgetDatabaseProperties = WidgetDatabaseProperties(databaseManager,database, mode=mode)
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self.vbox.pack_start(self.widgetDatabaseProperties, True, True)
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self.widgetDatabaseProperties.show_all()
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self.show_all()
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def get_database(self):
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return self.widgetDatabaseProperties.get_database()
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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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@ -375,21 +374,15 @@ class DialogDatabaseProperties(gtk.Dialog):
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elif responseId == gtk.RESPONSE_ACCEPT:
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pass
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#TODO: just boilerplate code
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class DialogDatabase(gtk.Dialog):
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def __init__(self, databaseManager, parent=None):
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gtk.Dialog.__init__(self,
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title="My dialog",
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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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#self.set_size_request(260, 250)
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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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@ -440,16 +433,14 @@ class DialogDatabase(gtk.Dialog):
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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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self.vbox.pack_start(self.labelInfo, False, False, 2)
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self.vbox.pack_start(gtk.HSeparator(), False, False, 2)
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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.vbox.add(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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@ -470,25 +461,45 @@ class DialogDatabase(gtk.Dialog):
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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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dlg = DialogDatabaseProperties(self.databaseManager, parent=self, flags=WidgetDatabaseProperties.ModeNew)
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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_database()
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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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dlg = DialogDatabaseProperties(self.databaseManager, parent=self, flags=WidgetDatabaseProperties.ModeAdd)
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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:
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pass
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if dlg.run() == gtk.RESPONSE_ACCEPT:
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database = dlg.get_database()
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print self.treeDatabases.get_model().append( (database.name, 'foo', database.Type, self.databaseManager.database_id(database)) )
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database = dlg.get_widget_database_properties().get_database()
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#TODO: sanity checks
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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_edit_clicked(self, button):
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@ -499,8 +510,13 @@ class DialogDatabase(gtk.Dialog):
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model, iter = selection.get_selected()
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idDatabase = model.get_value(iter, self.treeDatabaseColumns['_id'])
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database = self.databaseManager.database_from_id(idDatabase)
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dlg = DialogDatabaseProperties(self.databaseManager, database=database, parent=self, flags=WidgetDatabaseProperties.ModeEdit)
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dlg = DialogDatabaseProperties(
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self.databaseManager,
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database=database,
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parent=self.parentWidget,
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mode=WidgetDatabaseProperties.ModeEdit,
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title='[Edit 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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@ -519,9 +535,22 @@ class DialogDatabase(gtk.Dialog):
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self.buttonDatabaseRemove.set_sensitive(hasSelection)
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self.buttonDatabaseDelete.set_sensitive(hasSelection)
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class DialogDatabaseManager(gtk.Dialog):
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def __init__(self, databaseManager, parent=None):
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gtk.Dialog.__init__(self,
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title="My dialog",
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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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#self.set_size_request(260, 250)
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self.widgetDatabaseManager = WidgetDatabaseManager(databaseManager, parentWidget=self)
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self.vbox.pack_start(self.widgetDatabaseManager, True, True)
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self.show_all()
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#**************************************************************************************************
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if __name__ == '__main__':
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databaseManager = DatabaseManager.from_fpdb('', defaultDatabaseType=DatabaseTypeSqLite)
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@ -531,7 +560,7 @@ if __name__ == '__main__':
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#database=DatabaseTypePostgres(),
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# database=None,
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# )
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d = DialogDatabase(databaseManager)
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d = DialogDatabaseManager(databaseManager)
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d.connect("destroy", gtk.main_quit)
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d.run()
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#gtk.main()
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