"{ Package: 'jv:vdb' }"

"{ NameSpace: Smalltalk }"

VDBAbstractTreeApplication subclass:#VDBFrameApplication

	instanceVariableNames:'frameHolder selectedVariableHolder'

	classVariableNames:''

	poolDictionaries:''

	category:'VDB-UI-Others'

!

!VDBFrameApplication class methodsFor:'interface specs'!

columnsSpec

    "This resource specification was automatically generated

     by the DataSetBuilder of ST/X."

    "Do not manually edit this!! If it is corrupted,

     the DataSetBuilder may not be able to read the specification."

    "

     DataSetBuilder new openOnClass:VDBFrameApplication andSelector:#columnsSpec

    "

    <resource: #tableColumns>

    ^#(

         label: 'Value'

         labelAlignment: left

         labelButtonType: Button

         height: heightOfFirstRow

         menuFromApplication: false

         printSelector: value

         showRowSeparator: false

         showColSeparator: false

       )

      )

! !

!VDBFrameApplication class methodsFor:'plugIn spec'!

aspectSelectors

    "This resource specification was automatically generated

     by the UIPainter of ST/X."

    "Do not manually edit this. If it is corrupted,

     the UIPainter may not be able to read the specification."

    "Return a description of exported aspects;

     these can be connected to aspects of an embedding application

     (if this app is embedded in a subCanvas)."

    ^ #(

        #debuggerHolder

        #frameHolder

        #selectedVariableHolder

      ).

    "Modified: / 27-02-2015 / 16:04:37 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!VDBFrameApplication class methodsFor:'startup-web applications'!

initialPageSpec

    "this is only required for web-applications"

    ^ self shouldImplement

!

pageSpecs

    "this is only required for web-applications"

    ^ self shouldImplement

! !

!VDBFrameApplication methodsFor:'aspects'!

frameHolder

    "return/create the 'frameHolder' value holder (automatically generated)"

    frameHolder isNil ifTrue:[

        frameHolder := ValueHolder new.

        frameHolder addDependent:self.

    ].

    ^ frameHolder

!

frameHolder:something

    "set the 'frameHolder' value holder (automatically generated)"

    |oldValue newValue|

    frameHolder notNil ifTrue:[

        oldValue := frameHolder value.

        frameHolder removeDependent:self.

    ].

    frameHolder := something.

    frameHolder notNil ifTrue:[

        frameHolder addDependent:self.

    ].

    newValue := frameHolder value.

    oldValue ~~ newValue ifTrue:[

        self update:#value with:newValue from:frameHolder.

    ].

!

selectedVariableHolder

    "return/create the 'selectedVariableHolder' value holder (automatically generated)"

    selectedVariableHolder isNil ifTrue:[

        selectedVariableHolder := ValueHolder new.

        selectedVariableHolder addDependent:self.

    ].

    ^ selectedVariableHolder

!

selectedVariableHolder:something

    "set the 'selectedVariableHolder' value holder (automatically generated)"

    |oldValue newValue|

    selectedVariableHolder notNil ifTrue:[

        oldValue := selectedVariableHolder value.

        selectedVariableHolder removeDependent:self.

    ].

    selectedVariableHolder := something.

    selectedVariableHolder notNil ifTrue:[

        selectedVariableHolder addDependent:self.

    ].

    newValue := selectedVariableHolder value.

    oldValue ~~ newValue ifTrue:[

        self update:#value with:newValue from:selectedVariableHolder.

    ].

! !

!VDBFrameApplication methodsFor:'change & update'!

update:aspect with:param from:sender

    "Invoked when an object that I depend upon sends a change notification."

    sender == frameHolder ifTrue:[

         self enqueueDelayedUpdateInternalList.

         ^ self.

    ].

    super update:aspect with:param from:sender

    "Modified: / 27-02-2015 / 15:45:44 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!VDBFrameApplication methodsFor:'change & update-delayed'!

delayedUpdateInternalList

    | frame root |

     debugger isNil ifTrue:[

        self internalListHolder root children:#().

        ^ self.

    ].   

    frame := frameHolder value.

    frame isNil ifTrue:[ 

        self internalListHolder root children:#().

        ^ self.

    ].

    root := self internalListHolder root.

    root children:

        (frame variables collect:[:v | VDBVariablePresenter new setVariable: v; parent: root; yourself]).

    root expand.

    internalListView notNil ifTrue:[

        internalListView invalidate.

    ]

    "Created: / 27-02-2015 / 15:47:18 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

delayedUpdateSelection

    | internalSelection |

    internalSelection := self internalSelectionHolder value.

    internalSelection notNil ifTrue:[

        self selectedVariableHolder value: internalSelection variable

    ] ifFalse:[ 

        self selectedVariableHolder value: nil

    ].

    "Modified: / 27-02-2015 / 16:05:43 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!VDBFrameApplication methodsFor:'drag & drop'!

dropObjects:aCollectionOfDropObjects

    "drop manager wants to drop.

     This is ony sent, if #canDrop: returned true.

     Must be redefined in order for drop to work."

    ^ self shouldImplement

! !