Widgets requirements

User should be able:

1. Add and delete widgets from a page
2. Resize widget if it allows that
3. Reorder widgets on a page
4. Save state of a page for personal use, for one of his role (if he has rights) or system wide
5. Save state of a page for this particular instance or for a class
6. Duplicate widgets on a page
7. Edit configuration of existing widgets
8. Select icon/picture for widgets

Widgets:

1. Should be defined according to a domain. On a page you can work within some particular domain: only widgets from that domain should be available.
2. Should be pluggable by external wicket modules
3. Should support settings of several layers: personal, role and system wide + settings just for this instance or for a class
4. Widgets configuration should be compatible with gridster definitions: max/min for width/height, resizable
5. Some widgets might allow multiple presence on a page. In this case every widget will have separate configuration. "Multiplicity" should be defined on a widget.
6. Should be able to "discover" other widgets on a page.

Nice to have:

1. Ability to specify widget just my annotations
2. Ability to specify "outer" component for a widget: by default widget will be places in some default window with some buttons, but it will be cool to have ability to override that.