9 Commits

Author	SHA1	Message	Date
Jeff Pittman	0a4e96fda9	Changed ListAdapter to work with lists, removing complexity for having data as strings and a separate datastore. Removed DataStore and concept, and replaced with a new adapter, DictAdapter, that works straight with dicts. Updated examples and tests for changes.	2012-08-13 13:42:40 -05:00
Jeff Pittman	107814ed3d	Restored list_cascade_setter.py. Fixed comments about custom list adapter vs. using a setter-type binding.	2012-08-06 15:58:49 -05:00
Jeff Pittman	f791156f26	Started moving to use of setter() in creating bindings between list adapters, with an example of a custom list adapter left in list_cascade.py.	2012-08-06 13:35:27 -05:00
Jeff Pittman	c7b1851f73	Selection had no memory of previously selected items, because the data used in ... the examples were just strings primarily. To further development with a more realistic environment, a DataStore class was created, with simple set and get property methods, operating on a key into a dict of records. The simple scheme for the records is that they must all contain an is_selected boolean for storing the state of selection. The fruit dataset was modified accordingly, into two datastores: categories and fruits. A new simple dataset was also created for integer data used in several examples. For view instances to be associated with data records in a datastore, an index property was added to SelectableItem. This index into the data list is used in selection operations to keep selection of data items in sync with item view instances. When creating item view instances in ListView there is now a lookup call to the datastore to check for selection of the associated data item record. The data item record tested so far carries an is_selected boolean, but the code was written to allow for an is_selected() function.	2012-08-05 12:41:06 -05:00
Jeff Pittman	0d29acae75	Added two new classes, ObjectAdapter and ObserverView, which work together in a fashion similar to the way ListAdapter and ListView work. ObjectAdapter can be used to hold the selection of a ListAdapter. ObserverView is a view associated with this relationship, as showin the the list_cascade_oo.py example. The detail view on the right is an ObserverView, showing the view associated with the ObjectAdapter instance observing the fruit selection.	2012-08-03 17:50:22 -05:00
Jeff Pittman	ea7ce02a89	Removed the experiment with ButtonBehavior. Worked over bindings and events widely. Realized the place to put the call to check_for_empty_selection(), as things are now, is at the bottom of listview.hard_populate(). Cleaned up all of the examples for the changes.	2012-08-02 20:53:41 -05:00
Jeff Pittman	cd0f045b75	Fixed call to DetailView().	2012-08-01 08:59:07 -05:00
Jeff Pittman	8ea1783045	Split DetailView and the fruit data out into their own .py files and added/cleaned up imports.	2012-08-01 07:29:11 -05:00
Jeff Pittman	91f66e2f1a	Moved list examples to a lists directory, because there are quite a few, and because some code is shared between them.	2012-08-01 07:09:46 -05:00