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Existing Features
* can import data from .json or .csv format files
* can import data from del.icio.us
* can create and modify data programmatically
* can bind data to dojo.widget.Chart
* can bind data to dojo.widget.SortableTable
* can bind one data set to multiple widgets
* notifications: widgets are notified when data changes
* notification available per-item or per-resultSet
* can create ad-hoc attributes
* attributes can be loosely-typed
* attributes can have meta-data like type and display name
* half-implemented support for sorting
* half-implemented support for export to .json
* API for getting data in simple arrays
* API for getting ResultSets with iterators (precursor to support for something like the openrico.org live grid)
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To-Do List
* be able to import data from an html <table></table>
* think about being able to import data from some type of XML
* think about integration with dojo.undo.Manager
* think more about how to represent the notion of different data types
* think about what problems we'll run into when we have a MySQL data provider
* in TableBindingHack, improve support for data types in the SortableTable binding
* deal with ids (including MySQL multi-field keys)
* add support for item-references: employeeItem.set('department', departmentItem);
* deal with Attributes as instances of Items, not just subclasses of Items
* unit tests for compare/sort code
* unit tests for everything
* implement item.toString('json') and item.toString('xml')
* implement dataProvider.newItem({name: 'foo', age: 26})
* deal better with transactions
* add support for deleting items
* don't send out multiple notifications to the same observer
* deal with item versions
* prototype a Yahoo data provider -- http://developer.yahoo.net/common/json.html
* prototype a data provider that enforces strong typing
* prototype a data provider that prevents ad-hoc attributes
* prototype a data provider that enforces single-kind item
* prototype a data provider that allows for login/authentication
* have loosely typed result sets play nicely with widgets that expect strong typing
* prototype an example of spreadsheet-style formulas or derivation rules
* experiment with some sort of fetch() that returns only a subset of a data provider's items