def _quick_drag_menu ( self, object ):
""" Displays the quick drag menu for a specified drag object.
"""
# Get all the features it could be dropped on:
feature_lists = []
if isinstance( object, IFeatureTool ):
msg = 'Apply to'
for dc in self.dock_control.dock_controls:
if (dc.visible and
(object.feature_can_drop_on( dc.object ) or
object.feature_can_drop_on_dock_control( dc ))):
from feature_tool import FeatureTool
feature_lists.append( [ FeatureTool( dock_control = dc ) ] )
else:
msg = 'Send to'
for dc in self.dock_control.dock_controls:
if dc.visible:
allowed = [ f for f in dc.features
if (f.feature_name != '') and
f.can_drop( object ) ]
if len( allowed ) > 0:
feature_lists.append( allowed )
# If there are any compatible features:
if len( feature_lists ) > 0:
# Create the pop-up menu:
features = []
actions = []
for list in feature_lists:
if len( list ) > 1:
sub_actions = []
for feature in list:
sub_actions.append( Action(
name = '%s Feature' % feature.feature_name,
action = "self._drop_on(%d)" % len( features ) )
)
features.append( feature )
actions.append( Menu(
name = '%s the %s' % ( msg, feature.dock_control.name ),
*sub_actions )
)
else:
actions.append( Action(
name = '%s %s' % ( msg, list[ 0 ].dock_control.name ),
action = "self._drop_on(%d)" % len( features ) )
)
features.append( list[0] )
# Display the pop-up menu:
self._object = object
self._features = features
self.popup_menu( Menu( name = 'popup', *actions ) )
self._object = self._features = None
def add_feature ( feature_class ):
""" Adds a new DockWindowFeature class to the list of available features.
"""
global features
result = (feature_class not in features)
if result:
features.append( feature_class )
# Mark the feature class as having been installed:
if feature_class.state == 0:
feature_class.state = 1
return result
