databases can now be activated by user
++ refactoring Signed-off-by: fpdb-mme <jUrner@arcor.de>
This commit is contained in:
fpdb-mme
parent
604395b868
commit
2ae58f8947
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@ -3,9 +3,10 @@ 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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import gobject
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#*******************************************************************************************************
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class DatabaseManager(object):
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class DatabaseManager(gobject.GObject):
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DatabaseTypes = {}
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@classmethod
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@ -19,10 +20,16 @@ class DatabaseManager(object):
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)
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return klass(databases=databases, defaultDatabaseType=defaultDatabaseType)
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def to_fpdb(self):
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pass
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def __init__(self, databases=None, defaultDatabaseType=None):
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gobject.GObject.__init__(self)
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self._defaultDatabaseType = defaultDatabaseType
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self._databases = [] if databases is None else list(databases)
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self._activeDatabase = None
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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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@ -31,7 +38,7 @@ class DatabaseManager(object):
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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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if idDatabase == self.database_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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@ -43,6 +50,25 @@ class DatabaseManager(object):
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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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def activate_database(self, database):
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if self._activeDatabase is not None:
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self._activeDatabase.status = self._activeDatabase.StatusInactive
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#TODO: finalize database
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self.emit('database-deactivated', self.database_id(self._activeDatabase) )
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database.status = database.StatusActive
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#TODO: activate database
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self._activeDatabase = database
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self.emit('database-activated', self.database_id(database) )
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def active_database(self):
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return self._activeDatabase
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# register DatabaseManager signals
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gobject.type_register(DatabaseManager)
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gobject.signal_new('database-activated', DatabaseManager, gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, (int, ))
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gobject.signal_new('database-deactivated', DatabaseManager, gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, (int, ))
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class DatabaseTypeMeta(type):
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def __new__(klass, name, bases, kws):
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@ -56,7 +82,9 @@ 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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StatusActive = 'active'
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StatusInactive = 'inactive'
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StatusError = 'error' #TODO: not implemented
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class DatabaseTypePostgres(DatabaseTypeBase):
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Type = 'postgres'
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@ -70,6 +98,7 @@ 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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self.status = self.StatusInactive
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class DatabaseTypeMysql(DatabaseTypeBase):
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Type = 'mysql'
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@ -83,6 +112,7 @@ 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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self.status = self.StatusInactive
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class DatabaseTypeSqLite(DatabaseTypeBase):
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Type = 'sqlite'
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@ -93,6 +123,7 @@ class DatabaseTypeSqLite(DatabaseTypeBase):
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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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self.status = self.StatusInactive
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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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@ -375,8 +406,16 @@ 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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self.databaseManager = databaseManager
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self.databaseManager.connect('database-activated', self.on_database_activated)
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self.databaseManager.connect('database-deactivated', self.on_database_deactivated)
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self.databaseStatusNames = {
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DatabaseTypeBase.StatusActive: 'Active',
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DatabaseTypeBase.StatusInactive: 'Inactive',
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DatabaseTypeBase.StatusError: 'Error',
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}
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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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@ -389,6 +428,10 @@ class WidgetDatabaseManager(gtk.VBox):
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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.buttonDatabaseActivate = gtk.Button("Activate")
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self.buttonDatabaseActivate.set_tooltip_text('activates the database')
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self.buttonDatabaseActivate.connect('clicked', self.on_button_database_activate_clicked)
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self.buttonDatabaseActivate.set_sensitive(False)
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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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@ -402,31 +445,30 @@ class WidgetDatabaseManager(gtk.VBox):
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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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self.buttonDatabaseRemove.connect('clicked', self.on_button_database_remove_clicked)
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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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#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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treeDatabaseColumns = ( # name, displayName, dataType
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('name', 'Name', str),
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('status', 'Status', str),
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('type', 'Type', str),
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('_id', '', int),
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)
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store = gtk.ListStore(str, str, str, int)
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self.treeDatabaseColumns = {} # name --> index
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store = gtk.ListStore( *[i[2] for i in treeDatabaseColumns] )
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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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for i, (name, displayName, dataType) in enumerate(treeDatabaseColumns):
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col = gtk.TreeViewColumn(displayName, gtk.CellRendererText(), text=i)
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self.treeDatabases.append_column(col)
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if column.startswith('_'):
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if name.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.treeDatabaseColumns[name] = i
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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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@ -438,11 +480,12 @@ class WidgetDatabaseManager(gtk.VBox):
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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.buttonDatabaseActivate, 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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#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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@ -452,8 +495,47 @@ class WidgetDatabaseManager(gtk.VBox):
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self.show_all()
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# init widget
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model = self.treeDatabases.get_model()
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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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it = model.append()
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model.set_value(it, self.treeDatabaseColumns['name'], database.name)
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model.set_value(it, self.treeDatabaseColumns['status'], self.databaseStatusNames[database.status] )
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model.set_value(it, self.treeDatabaseColumns['type'], database.display_name() )
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model.set_value(it, self.treeDatabaseColumns['_id'], self.databaseManager.database_id(database))
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def on_database_activated(self, databaseManager, idDatabase):
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database = self.databaseManager.database_from_id(idDatabase)
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model = self.treeDatabases.get_model()
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for row in iter(model):
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if row[self.treeDatabaseColumns['_id']] == idDatabase:
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row[self.treeDatabaseColumns['status']] = self.databaseStatusNames[database.StatusActive]
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break
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else:
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raise ValueError('database not found')
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def on_database_deactivated(self, databaseManager, idDatabase):
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database = self.databaseManager.database_from_id(idDatabase)
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model = self.treeDatabases.get_model()
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for row in iter(model):
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if row[self.treeDatabaseColumns['_id']] == idDatabase:
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row[self.treeDatabaseColumns['status']] = self.databaseStatusNames[database.StatusInactive]
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break
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else:
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raise ValueError('database not found')
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def on_button_database_activate_clicked(self, button):
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selection = self.treeDatabases.get_selection()
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if selection is None:
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return
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model, it = selection.get_selected()
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idDatabase = model.get_value(it, self.treeDatabaseColumns['_id'])
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database = self.databaseManager.database_from_id(idDatabase)
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self.databaseManager.activate_database(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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@ -476,6 +558,7 @@ class WidgetDatabaseManager(gtk.VBox):
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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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@ -493,7 +576,13 @@ class WidgetDatabaseManager(gtk.VBox):
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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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model = self.treeDatabases.get_model()
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it = model.append()
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print database.name
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model.set_value(it, self.treeDatabaseColumns['name'], database.name)
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model.set_value(it, self.treeDatabaseColumns['status'], self.databaseStatusNames[database.status] )
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model.set_value(it, self.treeDatabaseColumns['type'], database.display_name() )
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model.set_value(it, self.treeDatabaseColumns['_id'], 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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@ -501,12 +590,12 @@ class WidgetDatabaseManager(gtk.VBox):
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if selection is None:
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return
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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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model, it = selection.get_selected()
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idDatabase = model.get_value(it, self.treeDatabaseColumns['_id'])
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database = self.databaseManager.database_from_id(idDatabase)
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dlg = DialogDatabaseProperties(
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self.databaseManager,
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database=database,
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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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@ -517,17 +606,29 @@ class WidgetDatabaseManager(gtk.VBox):
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database = dlg.get_database()
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selection = self.treeDatabases.get_selection()
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if selection is not None:
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model, iter = selection.get_selected()
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model.set_value(iter, 0, database.name)
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model, it = selection.get_selected()
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model.set_value(it, self.treeDatabaseColumns['name'], database.name)
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dlg.destroy()
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def on_button_database_remove_clicked(self, button):
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selection = self.treeDatabases.get_selection()
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if selection is None:
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return
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model, it = selection.get_selected()
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#TODO: finalize database
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model.remove(it)
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def on_tree_databases_selection_changed(self, treeSelection):
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hasSelection = bool(treeSelection.count_selected_rows())
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# enable/disable selection dependend widgets
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self.buttonDatabaseActivate.set_sensitive(hasSelection)
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self.buttonDatabaseEdit.set_sensitive(hasSelection)
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self.buttonDatabaseRemove.set_sensitive(hasSelection)
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self.buttonDatabaseDelete.set_sensitive(hasSelection)
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#self.buttonDatabaseDelete.set_sensitive(hasSelection)
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class DialogDatabaseManager(gtk.Dialog):
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