class QuoteGroupSelectionStep(BaseWizardStep):
gladefile = 'QuoteGroupSelectionStep'
def __init__(self, wizard, store):
self._next_step = None
BaseWizardStep.__init__(self, store, wizard)
self._setup_slaves()
def _setup_slaves(self):
self.search = SearchSlave(self._get_columns(),
restore_name=self.__class__.__name__,
search_spec=QuotationView,
store=self.store)
self.attach_slave('search_group_holder', self.search)
self.search.set_text_field_columns(['supplier_name', 'identifier_str'])
filter = self.search.get_primary_filter()
filter.set_label(_(u'Supplier:'))
self.search.focus_search_entry()
self.search.results.connect('selection-changed',
self._on_searchlist__selection_changed)
self.search.results.connect('row-activated',
self._on_searchlist__row_activated)
date_filter = DateSearchFilter(_('Date:'))
self.search.add_filter(date_filter, columns=['open_date', 'deadline'])
self.edit_button.set_sensitive(False)
self.remove_button.set_sensitive(False)
def _get_columns(self):
return [IdentifierColumn('identifier', title=_("Quote #"), sorted=True),
IdentifierColumn('group_identifier', title=_('Group #')),
Column('supplier_name', title=_('Supplier'), data_type=str,
width=300),
Column('open_date', title=_('Open date'),
data_type=datetime.date),
Column('deadline', title=_('Deadline'),
data_type=datetime.date)]
def _can_purchase(self, item):
return item.cost > currency(0) and item.quantity > Decimal(0)
def _can_order(self, quotation):
if quotation is None:
return False
for item in quotation.purchase.get_items():
if not self._can_purchase(item):
return False
return True
def _update_view(self):
selected = self.search.results.get_selected()
has_selected = selected is not None
self.edit_button.set_sensitive(has_selected)
self.remove_button.set_sensitive(has_selected)
self.wizard.refresh_next(self._can_order(selected))
def _run_quote_editor(self):
store = api.new_store()
selected = store.fetch(self.search.results.get_selected().purchase)
retval = run_dialog(QuoteFillingDialog, self.wizard, selected, store)
store.confirm(retval)
store.close()
self._update_view()
def _remove_quote(self):
q = self.search.results.get_selected().quotation
msg = _('Are you sure you want to remove "%s" ?') % q.get_description()
if not yesno(msg, gtk.RESPONSE_NO,
_("Remove quote"), _("Don't remove")):
return
store = api.new_store()
group = store.fetch(q.group)
quote = store.fetch(q)
group.remove_item(quote)
# there is no reason to keep the group if there's no more quotes
if group.get_items().count() == 0:
store.remove(group)
store.confirm(True)
store.close()
self.search.refresh()
#
# WizardStep hooks
#
def next_step(self):
self.search.save_columns()
selected = self.search.results.get_selected()
if selected is None:
return
return QuoteGroupItemsSelectionStep(self.wizard, self.store,
selected.group, self)
#
# Callbacks
#
def _on_searchlist__selection_changed(self, widget, item):
self._update_view()
def _on_searchlist__row_activated(self, widget, item):
self._run_quote_editor()
def on_edit_button__clicked(self, widget):
self._run_quote_editor()
def on_remove_button__clicked(self, widget):
self._remove_quote()
class ShellApp(GladeDelegate):
"""Base class for shell applications.
The main use is to interact with a shell window and reduce
duplication between other applications.
"""
domain = 'stoq'
#: This attribute is used when generating titles for applications.
#: It's also useful if we get a list of available applications with
#: the application names translated. This list is going to be used when
#: creating new user profiles.
app_title = None
#: name of the application, 'pos', 'payable', etc
app_name = None
#: If this application has a search like interface
search = None
#: This dictionary holds information about required permissions to access
#: certain actions. Keys should be the name of the action (for instance
#: SearchEmployess), and the value should be a tuple with the permission key
#: (domain object or action identifier) and the required permission. In this
#: case: ('Employee', perm.PERM_SEARCH). See <stoqlib.lib.permissions>
action_permissions = {}
#: The spec for store.find() to perform the search on
search_spec = None
#: Label left of the search entry
search_label = _('Search:')
#: the report class for printing the object list embedded on app.
report_table = None
def __init__(self, window, store=None):
if store is None:
store = api.get_default_store()
self.store = store
self.window = window
self._sensitive_group = dict()
self.help_ui = None
self.uimanager = self.window.uimanager
# FIXME: These two should probably post-__init__, but
# that breaks date_label in the calender app
self._create_search()
self.create_actions()
GladeDelegate.__init__(self,
gladefile=self.gladefile,
toplevel_name=self.toplevel_name)
self._attach_search()
self.create_ui()
def _create_search(self):
if self.search_spec is None:
return
self.columns = self.get_columns()
ApplicationSetupSearchEvent.emit(self)
self.search = SearchSlave(self.columns,
store=self.store,
restore_name=self.__class__.__name__,
search_spec=self.search_spec)
def _attach_search(self):
if self.search_spec is None:
return
self.search.enable_advanced_search()
self.attach_slave('search_holder', self.search)
search_filter = self.search.get_primary_filter()
search_filter.set_label(self.search_label)
self.create_filters()
self.search.restore_filter_settings('app-ui', self.app_name)
self.search.focus_search_entry()
# FIXME: Remove and use search directly instead of the result view
self.results = self.search.result_view
def _display_open_inventory_message(self):
msg = _(u'There is an inventory process open at the moment.\n'
'While that inventory is open, you will be unable to do '
'operations that modify your stock.')
self.inventory_bar = self.window.add_info_bar(Gtk.MessageType.WARNING,
msg)
#
# Overridables
#
def create_actions(self):
"""This is called before the BaseWindow constructor, so we
can create actions that can be autoconnected.
The widgets and actions loaded from builder files are not set
yet"""
def create_ui(self):
"""This is called when the UI such as GtkWidgets should be
created. Glade widgets are now created and can be accessed
in the instance.
"""
def activate(self, refresh=True):
"""This is when you switch to an application.
You should setup widget sensitivity here and refresh lists etc
:param refresh: if we should refresh the search
"""
def setup_focus(self):
"""Define this method on child when it's needed.
This is for calling grab_focus(), it's called after the window
is shown. focus chains should be created in create_ui()"""
def get_title(self):
# This method must be redefined in child when it's needed
branch = api.get_current_branch(self.store)
return _('[%s] - %s') % (branch.get_description(), self.app_title)
def can_change_application(self):
"""Define if we can change the current application or not.
:returns: True if we can change the application, False otherwise.
"""
return True
def can_close_application(self):
"""Define if we can close the current application or not.
:returns: True if we can close the application, False otherwise.
"""
return True
def set_open_inventory(self):
""" Subclasses should overide this if they call
:obj:`.check_open_inventory`.
This method will be called it there is an open inventory, so the
application can disable some funcionalities
"""
raise NotImplementedError
def new_activate(self):
"""Called when the New toolbar item is activated"""
raise NotImplementedError
def search_activate(self):
"""Called when the Search toolbar item is activated"""
raise NotImplementedError
def print_activate(self):
"""Called when the Print toolbar item is activated"""
if self.search_spec is None:
raise NotImplementedError
if self.results.get_selection_mode() == Gtk.SelectionMode.MULTIPLE:
results = self.results.get_selected_rows() or list(
self.search.get_last_results())
else:
# There are not multiple selection.
# We should print the entire list.
results = list(self.search.get_last_results())
self.print_report(self.report_table, self.results, results)
def export_spreadsheet_activate(self):
"""Called when the Export menu item is activated"""
if self.search_spec is None:
raise NotImplementedError
model = self.results.get_model()
if isinstance(model, LazyObjectModel):
model.load_items_from_results(0, model._count)
sse = SpreadSheetExporter()
sse.export(object_list=self.results,
name=self.app_name,
filename_prefix=self.app_name)
def create_filters(self):
"""Implement this to provide filters for the search container"""
def search_completed(self, results, states):
"""Implement this if you want to know when a search has
been completed.
:param results: the search results
:param states: search states used to construct the search query search
"""
#
# Public API
#
def add_ui_actions(self,
ui_string,
actions,
name='Actions',
action_type='normal',
filename=None):
return self.window.add_ui_actions(ui_string=ui_string,
actions=actions,
name=name,
action_type=action_type,
filename=filename,
instance=self)
def add_tool_menu_actions(self, actions):
return self.window.add_tool_menu_actions(actions=actions)
def add_columns(self, columns):
"""Add some columns to the default ones.
Note that this method must be called during the setup of this search,
which right now is only possible for those who capture the
`<stoqlib.gui.events.ApplicationSetupSearchEvent>`
"""
self.columns.extend(columns)
def set_help_section(self, label, section):
self.window.set_help_section(label=label, section=section)
def get_statusbar_message_area(self):
return self.window.statusbar.message_area
def print_report(self, report_class, *args, **kwargs):
filters = self.search.get_search_filters()
if filters:
kwargs['filters'] = filters
print_report(report_class, *args, **kwargs)
def set_sensitive(self, widgets, value):
"""Set the *widgets* sensitivity based on *value*
If a sensitive group was registered for any widget,
it's validation function will be tested and, if ``False``
is returned, it will be set insensitive, ignoring *value*
:param widgets: a list of widgets
:param value: either `True` or `False`
"""
# FIXME: Maybe this should ne done on kiwi?
for widget in widgets:
sensitive = value
for validator in self._sensitive_group.get(widget, []):
if not validator[0](*validator[1]):
sensitive = False
break
widget.set_sensitive(sensitive)
def register_sensitive_group(self, widgets, validation_func, *args):
"""Register widgets on a sensitive group.
Everytime :obj:`.set_sensitive()` is called, if there is any
validation function for a given widget on sensitive group,
then that will be used to decide if it gets sensitive or
insensitive.
:param widgets: a list of widgets
:param validation_func: a function for validation. It should
return either ``True`` or ``False``.
:param args: args that will be passed to *validation_func*
"""
assert callable(validation_func)
for widget in widgets:
validators = self._sensitive_group.setdefault(widget, set())
validators.add((validation_func, args))
def run_dialog(self, dialog_class, *args, **kwargs):
""" Encapsuled method for running dialogs. """
return run_dialog(dialog_class, self, *args, **kwargs)
@cached_function()
def has_open_inventory(self):
return Inventory.has_open(self.store,
api.get_current_branch(self.store))
def check_open_inventory(self):
"""Checks if there is an open inventory.
In the case there is one, will call set_open_inventory (subclasses
should implement it).
Returns True if there is an open inventory. False otherwise
"""
inventory_bar = getattr(self, 'inventory_bar', None)
if self.has_open_inventory():
if inventory_bar:
inventory_bar.show()
else:
self._display_open_inventory_message()
self.set_open_inventory()
return True
elif inventory_bar:
inventory_bar.hide()
return False
# FIXME: Most of these should be removed and access the search API
# directly, eg, self.search.clear() etc
def add_filter(self,
search_filter,
position=SearchFilterPosition.BOTTOM,
columns=None,
callback=None):
"""
See :class:`SearchSlave.add_filter`
"""
self.search.add_filter(search_filter, position, columns, callback)
def set_text_field_columns(self, columns):
"""
See :class:`SearchSlave.set_text_field_columns`
"""
self.search.set_text_field_columns(columns)
def create_branch_filter(self, label=None, column=None):
branch_filter = self.search.create_branch_filter(label, column)
# If there is only one item in the combo, lets hide it.
if len(branch_filter.combo) == 1:
branch_filter.hide()
return branch_filter
def refresh(self, rollback=True):
"""
See :class:`stoqlib.gui.search.searchslave.SearchSlave.refresh`
"""
# Since the store here is actually a transaction and the items
# on it can be changed from another station, do a rollback so
# the items get reloaded, avoiding cache problems
# Note that this gets mocked on tests to not do the rollback
if rollback:
self.store.rollback(close=False)
self.search.refresh()
def clear(self):
"""
See :class:`stoqlib.gui.search.searchslave.SearchSlave.clear`
"""
self.search.clear()
def select_result(self, result):
"""Select the object in the result list
If the object is not in the list (filtered out, for instance), no error
is thrown and nothing is selected
"""
try:
self.results.select(result)
except ValueError:
pass
#
# Callbacks
#
def on_search__search_completed(self, search, results, states):
self.search_completed(results, states)
has_results = len(results)
for widget in [self.window.Print, self.window.ExportSpreadSheet]:
widget.set_sensitive(has_results)
self.search.save_filter_settings('app-ui', self.app_name)
class QuoteGroupSelectionStep(BaseWizardStep):
gladefile = 'QuoteGroupSelectionStep'
def __init__(self, wizard, store):
self._next_step = None
BaseWizardStep.__init__(self, store, wizard)
self._setup_slaves()
def _setup_slaves(self):
self.search = SearchSlave(self._get_columns(),
restore_name=self.__class__.__name__,
search_spec=QuotationView,
store=self.store)
self.attach_slave('search_group_holder', self.search)
self.search.set_text_field_columns(['supplier_name', 'identifier_str'])
filter = self.search.get_primary_filter()
filter.set_label(_(u'Supplier:'))
self.search.focus_search_entry()
self.search.results.connect('selection-changed',
self._on_searchlist__selection_changed)
self.search.results.connect('row-activated',
self._on_searchlist__row_activated)
date_filter = DateSearchFilter(_('Date:'))
self.search.add_filter(date_filter, columns=['open_date', 'deadline'])
self.edit_button.set_sensitive(False)
self.remove_button.set_sensitive(False)
def _get_columns(self):
return [IdentifierColumn('identifier', title=_("Quote #"), sorted=True),
IdentifierColumn('group_identifier', title=_('Group #')),
Column('supplier_name', title=_('Supplier'), data_type=str,
width=300),
Column('open_date', title=_('Open date'),
data_type=datetime.date),
Column('deadline', title=_('Deadline'),
data_type=datetime.date)]
def _can_purchase(self, item):
return item.cost > currency(0) and item.quantity > Decimal(0)
def _can_order(self, quotation):
if quotation is None:
return False
for item in quotation.purchase.get_items():
if not self._can_purchase(item):
return False
return True
def _update_view(self):
selected = self.search.results.get_selected()
has_selected = selected is not None
self.edit_button.set_sensitive(has_selected)
self.remove_button.set_sensitive(has_selected)
self.wizard.refresh_next(self._can_order(selected))
def _run_quote_editor(self):
store = api.new_store()
selected = store.fetch(self.search.results.get_selected().purchase)
retval = run_dialog(QuoteFillingDialog, self.wizard, selected, store)
store.confirm(retval)
store.close()
self._update_view()
def _remove_quote(self):
q = self.search.results.get_selected().quotation
msg = _('Are you sure you want to remove "%s" ?') % q.get_description()
if not yesno(msg, Gtk.ResponseType.NO,
_("Remove quote"), _("Don't remove")):
return
store = api.new_store()
group = store.fetch(q.group)
quote = store.fetch(q)
group.remove_item(quote)
# there is no reason to keep the group if there's no more quotes
if group.get_items().count() == 0:
store.remove(group)
store.confirm(True)
store.close()
self.search.refresh()
#
# WizardStep hooks
#
def next_step(self):
self.search.save_columns()
selected = self.search.results.get_selected()
if selected is None:
return
return QuoteGroupItemsSelectionStep(self.wizard, self.store,
selected.group, self)
#
# Callbacks
#
def _on_searchlist__selection_changed(self, widget, item):
self._update_view()
def _on_searchlist__row_activated(self, widget, item):
self._run_quote_editor()
def on_edit_button__clicked(self, widget):
self._run_quote_editor()
def on_remove_button__clicked(self, widget):
self._remove_quote()
class ShellApp(GladeDelegate):
"""Base class for shell applications.
The main use is to interact with a shell window and reduce
duplication between other applications.
"""
#: This attribute is used when generating titles for applications.
#: It's also useful if we get a list of available applications with
#: the application names translated. This list is going to be used when
#: creating new user profiles.
app_title = None
#: name of the application, 'pos', 'payable', etc
app_name = None
#: If this application has a search like interface
search = None
#: This dictionary holds information about required permissions to access
#: certain actions. Keys should be the name of the action (for instance
#: SearchEmployess), and the value should be a tuple with the permission key
#: (domain object or action identifier) and the required permission. In this
#: case: ('Employee', perm.PERM_SEARCH). See <stoqlib.lib.permissions>
action_permissions = {}
#: The spec for store.find() to perform the search on
search_spec = None
#: Label left of the search entry
search_label = _('Search:')
#: the report class for printing the object list embedded on app.
report_table = None
def __init__(self, window, store=None):
if store is None:
store = api.get_default_store()
self.store = store
self.window = window
self._sensitive_group = dict()
self.help_ui = None
self.uimanager = self.window.uimanager
# FIXME: These two should probably post-__init__, but
# that breaks date_label in the calender app
self._create_search()
self.create_actions()
GladeDelegate.__init__(self,
gladefile=self.gladefile,
toplevel_name=self.toplevel_name)
self._attach_search()
self.create_ui()
def _create_search(self):
if self.search_spec is None:
return
self.columns = self.get_columns()
ApplicationSetupSearchEvent.emit(self)
self.search = SearchSlave(self.columns,
store=self.store,
restore_name=self.__class__.__name__,
search_spec=self.search_spec)
def _attach_search(self):
if self.search_spec is None:
return
self.search.enable_advanced_search()
self.attach_slave('search_holder', self.search)
search_filter = self.search.get_primary_filter()
search_filter.set_label(self.search_label)
self.create_filters()
self.search.restore_filter_settings('app-ui', self.app_name)
self.search.focus_search_entry()
# FIXME: Remove and use search directly instead of the result view
self.results = self.search.result_view
def _display_open_inventory_message(self):
msg = _(u'There is an inventory process open at the moment.\n'
'While that inventory is open, you will be unable to do '
'operations that modify your stock.')
self.inventory_bar = self.window.add_info_bar(gtk.MESSAGE_WARNING, msg)
#
# Overridables
#
def create_actions(self):
"""This is called before the BaseWindow constructor, so we
can create actions that can be autoconnected.
The widgets and actions loaded from builder files are not set
yet"""
def create_ui(self):
"""This is called when the UI such as GtkWidgets should be
created. Glade widgets are now created and can be accessed
in the instance.
"""
def activate(self, refresh=True):
"""This is when you switch to an application.
You should setup widget sensitivity here and refresh lists etc
:param refresh: if we should refresh the search
"""
def setup_focus(self):
"""Define this method on child when it's needed.
This is for calling grab_focus(), it's called after the window
is shown. focus chains should be created in create_ui()"""
def get_title(self):
# This method must be redefined in child when it's needed
branch = api.get_current_branch(self.store)
return _('[%s] - %s') % (branch.get_description(), self.app_title)
def can_change_application(self):
"""Define if we can change the current application or not.
:returns: True if we can change the application, False otherwise.
"""
return True
def can_close_application(self):
"""Define if we can close the current application or not.
:returns: True if we can close the application, False otherwise.
"""
return True
def set_open_inventory(self):
""" Subclasses should overide this if they call
:obj:`.check_open_inventory`.
This method will be called it there is an open inventory, so the
application can disable some funcionalities
"""
raise NotImplementedError
def new_activate(self):
"""Called when the New toolbar item is activated"""
raise NotImplementedError
def search_activate(self):
"""Called when the Search toolbar item is activated"""
raise NotImplementedError
def print_activate(self):
"""Called when the Print toolbar item is activated"""
if self.search_spec is None:
raise NotImplementedError
if self.results.get_selection_mode() == gtk.SELECTION_MULTIPLE:
results = self.results.get_selected_rows()
else:
result = self.results.get_selected()
results = [result] if result else None
# There are no itens selected. We should print the entire list
if not results:
results = list(self.search.get_last_results())
self.print_report(self.report_table, self.results, results)
def export_spreadsheet_activate(self):
"""Called when the Export menu item is activated"""
if self.search_spec is None:
raise NotImplementedError
model = self.results.get_model()
if isinstance(model, LazyObjectModel):
model.load_items_from_results(0, model._count)
sse = SpreadSheetExporter()
sse.export(object_list=self.results,
name=self.app_name,
filename_prefix=self.app_name)
def create_filters(self):
"""Implement this to provide filters for the search container"""
def search_completed(self, results, states):
"""Implement this if you want to know when a search has
been completed.
:param results: the search results
:param states: search states used to construct the search query search
"""
#
# Public API
#
def add_ui_actions(self, ui_string, actions, name='Actions',
action_type='normal', filename=None):
return self.window.add_ui_actions(ui_string=ui_string,
actions=actions,
name=name,
action_type=action_type,
filename=filename,
instance=self)
def add_tool_menu_actions(self, actions):
return self.window.add_tool_menu_actions(actions=actions)
def add_columns(self, columns):
"""Add some columns to the default ones.
Note that this method must be called during the setup of this search,
which right now is only possible for those who capture the
`<stoqlib.gui.events.ApplicationSetupSearchEvent>`
"""
self.columns.extend(columns)
def set_help_section(self, label, section):
self.window.set_help_section(label=label,
section=section)
def get_statusbar_message_area(self):
return self.window.statusbar.message_area
def print_report(self, report_class, *args, **kwargs):
filters = self.search.get_search_filters()
if filters:
kwargs['filters'] = filters
print_report(report_class, *args, **kwargs)
def set_sensitive(self, widgets, value):
"""Set the *widgets* sensitivity based on *value*
If a sensitive group was registered for any widget,
it's validation function will be tested and, if ``False``
is returned, it will be set insensitive, ignoring *value*
:param widgets: a list of widgets
:param value: either `True` or `False`
"""
# FIXME: Maybe this should ne done on kiwi?
for widget in widgets:
sensitive = value
for validator in self._sensitive_group.get(widget, []):
if not validator[0](*validator[1]):
sensitive = False
break
widget.set_sensitive(sensitive)
def register_sensitive_group(self, widgets, validation_func, *args):
"""Register widgets on a sensitive group.
Everytime :obj:`.set_sensitive()` is called, if there is any
validation function for a given widget on sensitive group,
then that will be used to decide if it gets sensitive or
insensitive.
:param widgets: a list of widgets
:param validation_func: a function for validation. It should
return either ``True`` or ``False``.
:param args: args that will be passed to *validation_func*
"""
assert callable(validation_func)
for widget in widgets:
validators = self._sensitive_group.setdefault(widget, set())
validators.add((validation_func, args))
def run_dialog(self, dialog_class, *args, **kwargs):
""" Encapsuled method for running dialogs. """
return run_dialog(dialog_class, self, *args, **kwargs)
@cached_function()
def has_open_inventory(self):
return Inventory.has_open(self.store,
api.get_current_branch(self.store))
def check_open_inventory(self):
"""Checks if there is an open inventory.
In the case there is one, will call set_open_inventory (subclasses
should implement it).
Returns True if there is an open inventory. False otherwise
"""
inventory_bar = getattr(self, 'inventory_bar', None)
if self.has_open_inventory():
if inventory_bar:
inventory_bar.show()
else:
self._display_open_inventory_message()
self.set_open_inventory()
return True
elif inventory_bar:
inventory_bar.hide()
return False
# FIXME: Most of these should be removed and access the search API
# directly, eg, self.search.clear() etc
def add_filter(self, search_filter, position=SearchFilterPosition.BOTTOM,
columns=None, callback=None):
"""
See :class:`SearchSlave.add_filter`
"""
self.search.add_filter(search_filter, position, columns, callback)
def set_text_field_columns(self, columns):
"""
See :class:`SearchSlave.set_text_field_columns`
"""
self.search.set_text_field_columns(columns)
def refresh(self, rollback=True):
"""
See :class:`stoqlib.gui.search.searchslave.SearchSlave.refresh`
"""
# Since the store here is actually a transaction and the items
# on it can be changed from another station, do a rollback so
# the items get reloaded, avoiding cache problems
# Note that this gets mocked on tests to not do the rollback
if rollback:
self.store.rollback(close=False)
self.search.refresh()
def clear(self):
"""
See :class:`stoqlib.gui.search.searchslave.SearchSlave.clear`
"""
self.search.clear()
def select_result(self, result):
"""Select the object in the result list
If the object is not in the list (filtered out, for instance), no error
is thrown and nothing is selected
"""
try:
self.results.select(result)
except ValueError:
pass
#
# Callbacks
#
def on_search__search_completed(self, search, results, states):
self.search_completed(results, states)
has_results = len(results)
for widget in [self.window.Print,
self.window.ExportSpreadSheet]:
widget.set_sensitive(has_results)
self.search.save_filter_settings('app-ui', self.app_name)
class ShellApp(GladeDelegate):
"""Base class for shell applications.
The main use is to interact with a shell window and reduce
duplication between other applications.
"""
#: This attribute is used when generating titles for applications.
#: It's also useful if we get a list of available applications with
#: the application names translated. This list is going to be used when
#: creating new user profiles.
app_title = None
#: name of the application, 'pos', 'payable', etc
app_name = None
#: If this application has a search like interface
search = None
#: This dictionary holds information about required permissions to access
#: certain actions. Keys should be the name of the action (for instance
#: SearchEmployess), and the value should be a tuple with the permission key
#: (domain object or action identifier) and the required permission. In this
#: case: ('Employee', perm.PERM_SEARCH). See <stoqlib.lib.permissions>
action_permissions = {}
#: The table we will query on to perform the search
search_table = None
#: Label left of the search entry
search_label = _('Search:')
#: the report class for printing the object list embedded on app.
report_table = None
def __init__(self, window, store=None):
if store is None:
store = api.get_default_store()
self.store = store
self.window = window
self._loading_filters = False
self._sensitive_group = dict()
self.help_ui = None
self.uimanager = self.window.uimanager
self._pre_init()
GladeDelegate.__init__(self,
gladefile=self.gladefile,
toplevel_name=self.toplevel_name)
self._post_init()
def _pre_init(self):
# FIXME: Perhaps we should add a proper API to add a search to
# an application, however it's a bit complicated since the
# search creation is done in two steps due to how kiwi auto
# signal connection works
if self.search_table is not None:
self._create_search()
self._app_settings = api.user_settings.get('app-ui', {})
# Create actions, this must be done before the constructor
# is called, eg when signals are autoconnected
self.create_actions()
def _post_init(self):
self.create_ui()
if self.search_table is not None:
self.attach_slave('search_holder', self.search)
self.create_filters()
self._restore_filter_settings()
self.search.focus_search_entry()
def _create_search(self):
# This does the first part of the search creation,
# this need to be done here so that self.results is set when we
# call GladeDelegate.__init__()
self.executer = QueryExecuter(self.store)
# FIXME: Remove this limit, but we need to migrate all existing
# searches to use lazy lists first. That in turn require
# us to rewrite the queries in such a way that count(*)
# will work properly.
self.executer.set_limit(sysparam(self.store).MAX_SEARCH_RESULTS)
self.executer.set_table(self.search_table)
self.search = SearchSlave(self.get_columns(),
restore_name=self.__class__.__name__)
self.search.enable_advanced_search()
self.search.set_query_executer(self.executer)
self.search.connect("search-completed",
self._on_search__search_completed)
self.results = self.search.result_view
search_filter = self.search.get_primary_filter()
search_filter.set_label(self.search_label)
def _display_open_inventory_message(self):
msg = _(u'There is an inventory process open at the moment.\n'
'While that inventory is open, you will be unable to do '
'operations that modify your stock.')
self.inventory_bar = self.window.add_info_bar(gtk.MESSAGE_WARNING, msg)
def _save_filter_settings(self):
if self._loading_filters:
return
filter_states = self.search.get_filter_states()
settings = self._app_settings.setdefault(self.app_name, {})
settings['filter-states'] = filter_states
def _restore_filter_settings(self):
self._loading_filters = True
settings = self._app_settings.setdefault(self.app_name, {})
filter_states = settings.get('filter-states')
if filter_states is not None:
# Disable auto search to avoid an extra query when restoring the
# state
self.search.set_auto_search(False)
self.search.set_filter_states(filter_states)
self.search.set_auto_search(True)
self._loading_filters = False
#
# Overridables
#
def create_actions(self):
"""This is called before the BaseWindow constructor, so we
can create actions that can be autoconnected.
The widgets and actions loaded from builder files are not set
yet"""
def create_ui(self):
"""This is called when the UI such as GtkWidgets should be
created. Glade widgets are now created and can be accessed
in the instance.
"""
def activate(self, params):
"""This is when you switch to an application.
You should setup widget sensitivity here and refresh lists etc
:params params: an dictionary with optional parameters.
"""
def setup_focus(self):
"""Define this method on child when it's needed.
This is for calling grab_focus(), it's called after the window
is shown. focus chains should be created in create_ui()"""
def get_title(self):
# This method must be redefined in child when it's needed
branch = api.get_current_branch(self.store)
return _('[%s] - %s') % (branch.get_description(), self.app_title)
def can_change_application(self):
"""Define if we can change the current application or not.
:returns: True if we can change the application, False otherwise.
"""
return True
def can_close_application(self):
"""Define if we can close the current application or not.
:returns: True if we can close the application, False otherwise.
"""
return True
def set_open_inventory(self):
""" Subclasses should overide this if they call
:obj:`.check_open_inventory`.
This method will be called it there is an open inventory, so the
application can disable some funcionalities
"""
raise NotImplementedError
def new_activate(self):
"""Called when the New toolbar item is activated"""
raise NotImplementedError
def search_activate(self):
"""Called when the Search toolbar item is activated"""
raise NotImplementedError
def print_activate(self):
"""Called when the Print toolbar item is activated"""
if self.search_table is None:
raise NotImplementedError
if self.results.get_selection_mode() == gtk.SELECTION_MULTIPLE:
results = self.results.get_selected_rows()
else:
result = self.results.get_selected()
results = [result] if result else None
# There are no itens selected. We should print the entire list
if not results:
results = list(self.search.get_last_results())
self.print_report(self.report_table, self.results, results)
def export_spreadsheet_activate(self):
"""Called when the Export menu item is activated"""
if self.search_table is None:
raise NotImplementedError
sse = SpreadSheetExporter()
sse.export(object_list=self.results,
name=self.app_name,
filename_prefix=self.app.name)
def create_filters(self):
"""Implement this to provide filters for the search container"""
def search_completed(self, results, states):
"""Implement this if you want to know when a search has
been completed.
:param results: the search results
:param states: search states used to construct the search query search
"""
#
# Public API
#
def add_ui_actions(self,
ui_string,
actions,
name='Actions',
action_type='normal',
filename=None):
return self.window.add_ui_actions(ui_string=ui_string,
actions=actions,
name=name,
action_type=action_type,
filename=filename,
instance=self)
def add_tool_menu_actions(self, actions):
return self.window.add_tool_menu_actions(actions=actions)
def set_help_section(self, label, section):
self.window.set_help_section(label=label, section=section)
def get_statusbar_message_area(self):
return self.window.statusbar.message_area
def print_report(self, report_class, *args, **kwargs):
filters = self.search.get_search_filters()
if filters:
kwargs['filters'] = filters
print_report(report_class, *args, **kwargs)
def set_sensitive(self, widgets, value):
"""Set the *widgets* sensitivity based on *value*
If a sensitive group was registered for any widget,
it's validation function will be tested and, if ``False``
is returned, it will be set insensitive, ignoring *value*
:param widgets: a list of widgets
:param value: either `True` or `False`
"""
# FIXME: Maybe this should ne done on kiwi?
for widget in widgets:
sensitive = value
for validator in self._sensitive_group.get(widget, []):
if not validator[0](*validator[1]):
sensitive = False
break
widget.set_sensitive(sensitive)
def register_sensitive_group(self, widgets, validation_func, *args):
"""Register widgets on a sensitive group.
Everytime :obj:`.set_sensitive()` is called, if there is any
validation function for a given widget on sensitive group,
then that will be used to decide if it gets sensitive or
insensitive.
:param widgets: a list of widgets
:param validation_func: a function for validation. It should
return either ``True`` or ``False``.
:param args: args that will be passed to *validation_func*
"""
assert callable(validation_func)
for widget in widgets:
validators = self._sensitive_group.setdefault(widget, set())
validators.add((validation_func, args))
def run_dialog(self, dialog_class, *args, **kwargs):
""" Encapsuled method for running dialogs. """
return run_dialog(dialog_class, self, *args, **kwargs)
@cached_function()
def has_open_inventory(self):
return Inventory.has_open(self.store,
api.get_current_branch(self.store))
def check_open_inventory(self):
"""Checks if there is an open inventory.
In the case there is one, will call set_open_inventory (subclasses
should implement it).
Returns True if there is an open inventory. False otherwise
"""
inventory_bar = getattr(self, 'inventory_bar', None)
if self.has_open_inventory():
if inventory_bar:
inventory_bar.show()
else:
self._display_open_inventory_message()
self.set_open_inventory()
return True
elif inventory_bar:
inventory_bar.hide()
return False
# FIXME: Most of these should be removed and access the search API
# directly, eg, self.search.clear() etc
def add_filter(self,
search_filter,
position=SearchFilterPosition.BOTTOM,
columns=None,
callback=None):
"""
See :class:`SearchSlave.add_filter`
"""
self.search.add_filter(search_filter, position, columns, callback)
def set_text_field_columns(self, columns):
"""
See :class:`SearchSlave.set_text_field_columns`
"""
self.search.set_text_field_columns(columns)
def refresh(self):
"""
See :class:`stoqlib.gui.search.searchslave.SearchSlave.refresh`
"""
self.search.refresh()
def clear(self):
"""
See :class:`stoqlib.gui.search.searchslave.SearchSlave.clear`
"""
self.search.clear()
def select_result(self, result):
"""Select the object in the result list
If the object is not in the list (filtered out, for instance), no error
is thrown and nothing is selected
"""
try:
self.results.select(result)
except ValueError:
pass
#
# Callbacks
#
def _on_search__search_completed(self, search, results, states):
self.search_completed(results, states)
has_results = len(results)
for widget in [self.window.Print, self.window.ExportSpreadSheet]:
widget.set_sensitive(has_results)
self._save_filter_settings()
class TransactionPage(object):
# shows either a list of:
# - transactions
# - payments
def __init__(self, model, app, parent):
self.model = model
self.app = app
self.parent_window = parent
self._block = False
self._create_search()
self._add_date_filter()
self._setup_search()
self.refresh()
def get_toplevel(self):
return self.parent_window
def _create_search(self):
self.search = SearchSlave(self._get_columns(self.model.kind),
store=self.app.store)
self.search.connect('result-item-activated',
self._on_search__item_activated)
self.search.enable_advanced_search()
self.search.set_result_view(FinancialSearchResults)
self.result_view = self.search.result_view
self.result_view.page = self
self.result_view.set_cell_data_func(self._on_result_view__cell_data_func)
tree_view = self.search.result_view.get_treeview()
tree_view.set_rules_hint(True)
tree_view.set_grid_lines(Gtk.TreeViewGridLines.BOTH)
def _add_date_filter(self):
self.date_filter = DateSearchFilter(_('Date:'))
self.date_filter.clear_options()
self.date_filter.add_option(Any, 0)
year = datetime.datetime.today().year
month_names = get_month_names()
for i, month in enumerate(month_names):
name = month_names[i]
option = type(name + 'Option', (MonthOption, ),
{'name': _(name),
'month': i + 1,
'year': year})
self.date_filter.add_option(option, i + 1)
self.date_filter.add_custom_options()
self.date_filter.select(Any)
self.search.add_filter(self.date_filter)
def _append_date_query(self, field):
date = self.date_filter.get_state()
queries = []
if isinstance(date, DateQueryState) and date.date is not None:
queries.append(Date(field) == date.date)
elif isinstance(date, DateIntervalQueryState):
queries.append(Date(field) >= date.start)
queries.append(Date(field) <= date.end)
return queries
def _payment_query(self, store):
executer = self.search.get_query_executer()
search_spec = executer.search_spec
queries = self._append_date_query(search_spec.due_date)
if queries:
return store.find(search_spec, And(*queries))
return store.find(search_spec)
def _transaction_query(self, store):
queries = [Or(self.model.id == AccountTransaction.account_id,
self.model.id == AccountTransaction.source_account_id)]
queries.extend(self._append_date_query(AccountTransaction.date))
return store.find(AccountTransactionView, And(*queries))
def show(self):
self.search.show()
def _setup_search(self):
if self.model.kind == 'account':
self.search.set_search_spec(AccountTransactionView)
self.search.set_text_field_columns(['description'])
self.search.set_query(self._transaction_query)
elif self.model.kind == 'payable':
self.search.set_text_field_columns(['description', 'supplier_name'])
self.search.set_search_spec(OutPaymentView)
self.search.set_query(self._payment_query)
elif self.model.kind == 'receivable':
self.search.set_text_field_columns(['description', 'drawee'])
self.search.set_search_spec(InPaymentView)
self.search.set_query(self._payment_query)
else:
raise TypeError("unknown model kind: %r" % (self.model.kind, ))
def refresh(self):
self.search.refresh()
def _get_columns(self, kind):
if kind in ['payable', 'receivable']:
return self._get_payment_columns()
else:
return self._get_account_columns()
def _on_result_view__cell_data_func(self, column, renderer, account_view, text):
if not isinstance(renderer, Gtk.CellRendererText):
return text
if self.model.kind != 'account':
return text
trans = account_view.transaction
is_imbalance = self.app._imbalance_account_id in [
trans.dest_account_id,
trans.source_account_id]
renderer.set_property('weight-set', is_imbalance)
if is_imbalance:
renderer.set_property('weight', Pango.Weight.BOLD)
return text
def _get_account_columns(self):
def format_withdrawal(value):
if value < 0:
return currency(abs(value)).format(symbol=True, precision=2)
def format_deposit(value):
if value > 0:
return currency(value).format(symbol=True, precision=2)
if self.model.account_type == Account.TYPE_INCOME:
color_func = lambda x: False
else:
color_func = lambda x: x < 0
return [Column('date', title=_("Date"), data_type=datetime.date, sorted=True),
Column('code', title=_("Code"), data_type=str),
Column('description', title=_("Description"),
data_type=str, expand=True),
Column('account', title=_("Account"), data_type=str),
Column('value',
title=self.model.account.get_type_label(out=False),
data_type=currency,
format_func=format_deposit),
Column('value',
title=self.model.account.get_type_label(out=True),
data_type=currency,
format_func=format_withdrawal),
ColoredColumn('total', title=_("Total"), data_type=currency,
color='red',
data_func=color_func)]
def _get_payment_columns(self):
return [SearchColumn('due_date', title=_("Due date"), data_type=datetime.date, sorted=True),
IdentifierColumn('identifier', title=_("Payment #")),
SearchColumn('description', title=_("Description"),
data_type=str, expand=True),
SearchColumn('value', title=_("Value"),
data_type=currency)]
def append_transactions(self, transactions):
for transaction in transactions:
description = transaction.get_account_description(self.model)
value = transaction.get_value(self.model)
# If a transaction has the source equals to the destination account.
# Show the same transaction, but with reversed value.
if transaction.source_account_id == transaction.dest_account_id:
self._add_transaction(transaction, description, -value)
self._add_transaction(transaction, description, value)
self.update_totals()
def _add_transaction(self, transaction, description, value):
item = Settable(transaction=transaction)
self._update_transaction(item, transaction, description, value)
self.search.result_view.append(item)
return item
def _update_transaction(self, item, transaction, description, value):
item.account = description
item.date = transaction.date
item.description = transaction.description
item.value = value
item.code = transaction.code
def update_totals(self):
total = decimal.Decimal('0')
for item in self.search.result_view:
total += item.value
item.total = total
def _edit_transaction_dialog(self, item):
store = api.new_store()
if isinstance(item.transaction, AccountTransactionView):
account_transaction = store.fetch(item.transaction.transaction)
else:
account_transaction = store.fetch(item.transaction)
model = getattr(self.model, 'account', self.model)
transaction = run_dialog(AccountTransactionEditor, self.app,
store, account_transaction, model)
store.confirm(transaction)
if transaction:
self.app.refresh_pages()
self.update_totals()
self.app.accounts.refresh_accounts(self.app.store)
store.close()
def on_dialog__opened(self, dialog):
dialog.connect('account-added', self.on_dialog__account_added)
def on_dialog__account_added(self, dialog):
self.app.accounts.refresh_accounts(self.app.store)
def add_transaction_dialog(self):
store = api.new_store()
model = getattr(self.model, 'account', self.model)
model = store.fetch(model)
transaction = run_dialog(AccountTransactionEditor, self.app,
store, None, model)
store.confirm(transaction)
if transaction:
self.app.refresh_pages()
self.update_totals()
self.app.accounts.refresh_accounts(self.app.store)
store.close()
def _on_search__item_activated(self, objectlist, item):
if self.model.kind == 'account':
self._edit_transaction_dialog(item)
class TransactionPage(object):
# shows either a list of:
# - transactions
# - payments
def __init__(self, model, app, parent):
self.model = model
self.app = app
self.parent_window = parent
self._block = False
self._create_search()
self._add_date_filter()
self._setup_search()
self.refresh()
def get_toplevel(self):
return self.parent_window
def _create_search(self):
self.search = SearchSlave(self._get_columns(self.model.kind),
store=self.app.store)
self.search.connect('result-item-activated',
self._on_search__item_activated)
self.search.enable_advanced_search()
self.search.set_result_view(FinancialSearchResults)
self.result_view = self.search.result_view
self.result_view.page = self
self.result_view.set_cell_data_func(self._on_result_view__cell_data_func)
tree_view = self.search.result_view.get_treeview()
tree_view.set_rules_hint(True)
tree_view.set_grid_lines(gtk.TREE_VIEW_GRID_LINES_BOTH)
def _add_date_filter(self):
self.date_filter = DateSearchFilter(_('Date:'))
self.date_filter.clear_options()
self.date_filter.add_option(Any, 0)
year = datetime.datetime.today().year
month_names = get_month_names()
for i, month in enumerate(month_names):
name = month_names[i]
option = type(name + 'Option', (MonthOption, ),
{'name': _(name),
'month': i + 1,
'year': year})
self.date_filter.add_option(option, i + 1)
self.date_filter.add_custom_options()
self.date_filter.select(Any)
self.search.add_filter(self.date_filter)
def _append_date_query(self, field):
date = self.date_filter.get_state()
queries = []
if isinstance(date, DateQueryState) and date.date is not None:
queries.append(Date(field) == date.date)
elif isinstance(date, DateIntervalQueryState):
queries.append(Date(field) >= date.start)
queries.append(Date(field) <= date.end)
return queries
def _payment_query(self, store):
executer = self.search.get_query_executer()
search_spec = executer.search_spec
queries = self._append_date_query(search_spec.due_date)
if queries:
return store.find(search_spec, And(*queries))
return store.find(search_spec)
def _transaction_query(self, store):
queries = [Or(self.model.id == AccountTransaction.account_id,
self.model.id == AccountTransaction.source_account_id)]
queries.extend(self._append_date_query(AccountTransaction.date))
return store.find(AccountTransactionView, And(*queries))
def show(self):
self.search.show()
def _setup_search(self):
if self.model.kind == 'account':
self.search.set_search_spec(AccountTransactionView)
self.search.set_text_field_columns(['description'])
self.search.set_query(self._transaction_query)
elif self.model.kind == 'payable':
self.search.set_text_field_columns(['description', 'supplier_name'])
self.search.set_search_spec(OutPaymentView)
self.search.set_query(self._payment_query)
elif self.model.kind == 'receivable':
self.search.set_text_field_columns(['description', 'drawee'])
self.search.set_search_spec(InPaymentView)
self.search.set_query(self._payment_query)
else:
raise TypeError("unknown model kind: %r" % (self.model.kind, ))
def refresh(self):
self.search.refresh()
def _get_columns(self, kind):
if kind in ['payable', 'receivable']:
return self._get_payment_columns()
else:
return self._get_account_columns()
def _on_result_view__cell_data_func(self, column, renderer, account_view, text):
if not isinstance(renderer, gtk.CellRendererText):
return text
if self.model.kind != 'account':
return text
trans = account_view.transaction
is_imbalance = self.app._imbalance_account_id in [
trans.dest_account_id,
trans.source_account_id]
renderer.set_property('weight-set', is_imbalance)
if is_imbalance:
renderer.set_property('weight', pango.WEIGHT_BOLD)
return text
def _get_account_columns(self):
def format_withdrawal(value):
if value < 0:
return currency(abs(value)).format(symbol=True, precision=2)
def format_deposit(value):
if value > 0:
return currency(value).format(symbol=True, precision=2)
if self.model.account_type == Account.TYPE_INCOME:
color_func = lambda x: False
else:
color_func = lambda x: x < 0
return [Column('date', title=_("Date"), data_type=datetime.date, sorted=True),
Column('code', title=_("Code"), data_type=unicode),
Column('description', title=_("Description"),
data_type=unicode, expand=True),
Column('account', title=_("Account"), data_type=unicode),
Column('value',
title=self.model.account.get_type_label(out=False),
data_type=currency,
format_func=format_deposit),
Column('value',
title=self.model.account.get_type_label(out=True),
data_type=currency,
format_func=format_withdrawal),
ColoredColumn('total', title=_("Total"), data_type=currency,
color='red',
data_func=color_func)]
def _get_payment_columns(self):
return [SearchColumn('due_date', title=_("Due date"), data_type=datetime.date, sorted=True),
IdentifierColumn('identifier', title=_("Payment #")),
SearchColumn('description', title=_("Description"), data_type=unicode, expand=True),
SearchColumn('value', title=_("Value"),
data_type=currency)]
def append_transactions(self, transactions):
for transaction in transactions:
description = transaction.get_account_description(self.model)
value = transaction.get_value(self.model)
# If a transaction has the source equals to the destination account.
# Show the same transaction, but with reversed value.
if transaction.source_account_id == transaction.dest_account_id:
self._add_transaction(transaction, description, -value)
self._add_transaction(transaction, description, value)
self.update_totals()
def _add_transaction(self, transaction, description, value):
item = Settable(transaction=transaction)
self._update_transaction(item, transaction, description, value)
self.search.result_view.append(item)
return item
def _update_transaction(self, item, transaction, description, value):
item.account = description
item.date = transaction.date
item.description = transaction.description
item.value = value
item.code = transaction.code
def update_totals(self):
total = decimal.Decimal('0')
for item in self.search.result_view:
total += item.value
item.total = total
def _edit_transaction_dialog(self, item):
store = api.new_store()
if isinstance(item.transaction, AccountTransactionView):
account_transaction = store.fetch(item.transaction.transaction)
else:
account_transaction = store.fetch(item.transaction)
model = getattr(self.model, 'account', self.model)
transaction = run_dialog(AccountTransactionEditor, self.app,
store, account_transaction, model)
store.confirm(transaction)
if transaction:
self.app.refresh_pages()
self.update_totals()
self.app.accounts.refresh_accounts(self.app.store)
store.close()
def on_dialog__opened(self, dialog):
dialog.connect('account-added', self.on_dialog__account_added)
def on_dialog__account_added(self, dialog):
self.app.accounts.refresh_accounts(self.app.store)
def add_transaction_dialog(self):
store = api.new_store()
model = getattr(self.model, 'account', self.model)
model = store.fetch(model)
transaction = run_dialog(AccountTransactionEditor, self.app,
store, None, model)
store.confirm(transaction)
if transaction:
self.app.refresh_pages()
self.update_totals()
self.app.accounts.refresh_accounts(self.app.store)
store.close()
def _on_search__item_activated(self, objectlist, item):
if self.model.kind == 'account':
self._edit_transaction_dialog(item)
