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Presenty User Interface Framework
http://www.squeaksource.com/Presenty MIT license
Presenty User Interface Framework MIT license - - PowerPoint PPT Presentation
Presenty User Interface Framework MIT license - - PowerPoint PPT Presentation
Presenty User Interface Framework MIT license http://www.squeaksource.com/Presenty Presenty Platform-independent user interface application Desktop contact manager Filter contacts by typed name Select contact from groups Select contact
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Desktop contact manager
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Filter contacts by typed name
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Select contact from groups
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Select contact from last calls
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Contact selection show details data
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Presenty approach
- Multiple separated tasks a user can perform
- Each task is a sequence of user requests
- Contact groups selection task:
1) select group from groups list 2) select contact from selected group contents 3) look at selected contact details
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Implementation
- Continuation-based tasks as elements of user
interaction at application level
- User requests as building blocks for tasks:
- Primitive user requests to invoke base interface
components
- Compound requests for calling other tasks
- Extendable DSL (pure Smalltalk) facilitating
task implementation
- Modified Model-View-Presenter pattern
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SelectContactFromGroupsTask
body | selected group | group := user select: ContactsGroup from: ContactManager groups. selected := user select: Contact from: group contents. user goTo: (DetailedContactPresenter on: selected )
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Select contact from groups
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SelectContactBySearchTask
body | selected | selected := user execute: ( PtySearchItemTask forItems: ContactManager contacts ofClass: Contact). guide restoreActiveArea. user goTo: (DetailedContactPresenter on: selected )
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SelectContactFromLastCallsTask
body | selected | selected := user select: 'LastContact' from: ContactManager lastCalls. user goTo: (DetailedContactPresenter on: selected )
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ShowContactsForDesktopTask
body guide viewport createNewViewArea. guide forkTask: SelectContactFromLastCallsTask new. guide forkTask: SelectContactFromGroupsTask new. guide forkTask: SelectContactBySearchTask new. user goTo: [guide showViewArea]
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Select contact from last calls
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Select contact from last calls
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Select contact from groups
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Select contact from groups
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Filter contacts by typed name
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guide translator
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Filter contacts by typed name
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Filter contacts by typed name
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ShowContactsForPhoneTask
body | taskClass | guide viewport createNewViewArea. taskClass := user select: 'ContactManagerTask' from: {SelectContactFromLastCallsTask. SelectContactFromGroupsTask. SelectContactBySearchTask}. guide addBackButton. user execute: taskClass new
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Task Configuration
- Presenter can have different views in different
contexts
- For different parent presenters
- For different tasks
- For different styles of presenter
- For different styles of parent presenter
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Task Configuration
- Guide can store default settings for tasks
– guide create: PtyShowListTask
- Task settings can vary in different contexts
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How tasks configured
- PtyItemsListTask has itemPresenterFactory
which can be saved in settings
- PtyExplicitPresenterFactory specifyed concrete
presenter class to present list items
- PtyPresenterPreviewFactory use
#preferredPreviewPresenter message for getting presenter from list item
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What should be done
- Configurable task activation
- Simple object editor task
– user edit: object
- Better designer
- Serializing prototypes and settings to style
classes
- Searching for prototypes and settings in
multiple task contexts
- Documentation
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Questions?
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The end
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Modal warning example
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Tasks from blocks
DetailedContactPresenter>>runCall guide executeTask: [ guide doInModal: [ guide user warn: 'You dial to ', model printString]. guide user stopCurrentTask. ] asTask
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Presenty UI framework
- Modified Model-View-Presenter pattern
- Continuation-based tasks as elements of user
interaction at application level
- User requests as building blocks for tasks:
- Primitive user requests to invoke base interface
components
- Compound requests for calling other tasks
- Extendable DSL (pure Smalltalk) facilitating
task implementation
- Prototyping for visual components and tasks
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