Possibly outdated

This page is possibly outdates and is pending review.


Navigator is a tree view of your project (models).

As semantics of models vary, it may be needed to explicitly specify what kind of relations are between elements, what are elements named, or what kind of icon should accompany it.

To do this, simply subclass DCNavigatorAdapter and define your mappings. If you do not specify some mapping (or do not create your adapter at all), the default one will be used instead DCDefaultNavigatorAdapter.


The mapping itself is an array of mappings

model class -> block/symbol/object


DCFsmVertex -> #outgoing

If the right value is block or symbol, it will be applied on actual model. So #outgoing is equivalent to [ :vertex | vertex outgoing ]. If it is some other object (string, collection, …), it will be returned as specified.


Children mapping defines what elements should be displayed as children in the navigator.

    ^ {
        DCFsm -> #states. "show all states of the diagram as children"
        DCFsmVertex -> #outgoing. "show all outgoing transitions"
        DCFsmTransition -> #() "transition has no children"



Rename it to displaySuffixMapping?

Display mapping customizes the suffix of the displayed string, by default the class name is displayed (so element named "Example" of class "DCDiagram" will show Example (DCDiagram)).


    ^ {
        DCFsm -> 'Diagram'.
        DCFsmInitialState -> 'Initial State'.
        DCFsmState -> [ :o | o isNormal
            ifTrue: [ 'State' ]
            ifFalse: [ 'Final State' ]
        DCFsmTransition -> 'Transition'


Icon mapping defines the icon displayed for the item. Icon is a 16x16 Form instance. If you want to ease creation of icons, you can use http://smalltalkhub.com/#!/~peteruhnak/IconFactory


    ^ {
        DCFsm -> DCIcons current dcFsmDiagramIcon.
        DCFsmInitialState -> DCIcons current dcFsmInitialStateIcon.
        DCFsmTransition -> DCIcons current dcFsmTransitionIcon.



This is not yet implemented.

In the future action mapping should define the action that occures when double clicking on an element. Currently this is hardcoded to have no action for elements and open diagram for diagram.


This is not yet implemented.

This will control menu displayed on right mouse click, currently there are only basic options available like Rename, Inspect, and Delete.

Using same mapping for hierarchy of classes

When looking for mapping for an object, it's class hierarchy is used starting from the most generic one and stopping on the first match.

So for hierarchy


 |- DCFsmVertex
     |- DCFsmInitialState
     |- DCFsmState

you can specify the mapping for any class in the hierarchy.

Note: if you use class too far up in the hierarchy, like DCNamedElement you will also need a way to tell that your particular mapping is only for your specific model, e.g. any subclass of DCNamedElement, but only if the object is part of FSM plugin.

To do so, override method hasMappingFor:


DCFsmNavigatorAdapter>>hasMappingFor: anObject
    ^ anObject className beginsWith: 'DCFsm' "define whatever rule you want as long as it returns boolean"