"

jv:vdb - Visual / VM Debugger

Copyright (C) 2015-now Jan Vrany

This software is licensed under 'Creative Commons Attribution-NonCommercial 4.0 International License'

You may find a full license text in LICENSE.txt or at http://creativecommons.org/licenses/by-nc/4.0/

"

"{ Package: 'jv:vdb' }"

"{ NameSpace: Smalltalk }"

VDBAbstractTreeApplication subclass:#VDBVariableObjectListApplication

	instanceVariableNames:'frameHolder variableObjectListHolder selectedVariableObjectHolder'

	classVariableNames:''

	poolDictionaries:''

	category:'VDB-UI-Others'

!

!VDBVariableObjectListApplication class methodsFor:'documentation'!

copyright

"

jv:vdb - Visual / VM Debugger

Copyright (C) 2015-now Jan Vrany

This software is licensed under 'Creative Commons Attribution-NonCommercial 4.0 International License'

You may find a full license text in LICENSE.txt or at http://creativecommons.org/licenses/by-nc/4.0/

"

! !

!VDBVariableObjectListApplication class methodsFor:'accessing'!

windowTitle

    ^ 'Variables'

    "Created: / 11-07-2017 / 16:37:21 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!VDBVariableObjectListApplication 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>

    ^#(

      (DataSetColumnSpec

         label: 'Value'

         labelAlignment: left

         labelButtonType: Button

         width: 1.0

         height: heightOfFirstRow

         menuFromApplication: false

         printSelector: value

         backgroundSelector: backgroundColor

         showRowSeparator: false

         showColSeparator: false

       )

      )

! !

!VDBVariableObjectListApplication 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

        #variableObjectListHolder

        #selectedVariableHolder

      ).

    "Modified: / 03-02-2018 / 09:52:45 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!VDBVariableObjectListApplication 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

! !

!VDBVariableObjectListApplication methodsFor:'accessing'!

variableObjectList: aSequencableCollection

    self variableObjectListHolder value: aSequencableCollection

    "Created: / 03-02-2018 / 08:07:48 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!VDBVariableObjectListApplication methodsFor:'aspects'!

backgroundColorFor: aVDBVariableOjectPresenter

    ^ aVDBVariableOjectPresenter varobj hasChanged

        ifTrue:[ Color yellow lighter lighter ]

        ifFalse:[ nil ]

    "Created: / 01-02-2018 / 09:08:42 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

selectedVariableObjectHolder

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

    selectedVariableObjectHolder isNil ifTrue:[

        selectedVariableObjectHolder := ValueHolder new.

        selectedVariableObjectHolder addDependent:self.

    ].

    ^ selectedVariableObjectHolder

!

selectedVariableObjectHolder:something 

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

    | oldValue  newValue |

    selectedVariableObjectHolder notNil ifTrue:[

        oldValue := selectedVariableObjectHolder value.

        selectedVariableObjectHolder removeDependent:self.

    ].

    selectedVariableObjectHolder := something.

    selectedVariableObjectHolder notNil ifTrue:[

        selectedVariableObjectHolder addDependent:self.

    ].

    newValue := selectedVariableObjectHolder value.

    oldValue ~~ newValue ifTrue:[

        self 

            update:#value

            with:newValue

            from:selectedVariableObjectHolder.

    ].

!

variableObjectListHolder

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

    variableObjectListHolder isNil ifTrue:[

        variableObjectListHolder := ValueHolder with: #().

        variableObjectListHolder addDependent:self.

    ].

    ^ variableObjectListHolder

    "Modified: / 03-02-2018 / 07:33:13 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

variableObjectListHolder:something

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

    |oldValue newValue|

    variableObjectListHolder notNil ifTrue:[

        oldValue := variableObjectListHolder value.

        variableObjectListHolder removeDependent:self.

    ].

    variableObjectListHolder := something.

    variableObjectListHolder notNil ifTrue:[

        variableObjectListHolder addDependent:self.

    ].

    newValue := variableObjectListHolder value.

    oldValue ~~ newValue ifTrue:[

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

    ].

! !

!VDBVariableObjectListApplication methodsFor:'change & update'!

update:aspect with:param from:sender

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

    sender == variableObjectListHolder ifTrue:[ 

         self enqueueDelayedUpdateInternalList.

         ^ self.

    ].

    super update:aspect with:param from:sender

    "Modified: / 03-02-2018 / 09:47:53 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

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

delayedInvalidateInternalList

    "/ Updating children may take a while as it needs to issue

    "/ several commands to the GDB and wait for results. To avoid

    "/ flickering, we first force an update of all values

    "/ in background and then force an invalidate.

    "/ 

    "/ Note, that update of each individual variable is pushed back 

    "/ to event queue, allowing the UI to react for user events that 

    "/ may have come meanwhile.

    | children changed |

    children := internalListHolder root children.

    changed := false.

    children do:[:each | 

        self enqueueDelayedAction: [ 

            "/ Update the child, but only if the list of currently displayed

            "/ children remains the same. Keep in mind that user may have

            "/ have switched to another frame before we're finished with the update.

            internalListHolder root children == children ifTrue: [ changed := each varobj hasChanged or:[changed] ] 

        ].

    ].

    self enqueueDelayedAction:[ 

        (internalListHolder root children == children and:[changed]) ifTrue:[ super delayedInvalidateInternalList ].

    ]

    "Created: / 06-02-2018 / 12:52:58 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 21-03-2018 / 09:42:12 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

delayedUpdateInternalList

    | root |

    debugger isNil ifTrue:[

        self internalListHolder root children:#().

        ^ self.

    ].

    root := self internalListHolder root.

    root children:(self variableObjectListHolder value

                collect:[:v | 

                    (VDBVariableObjectPresenter new) setVarobj: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>"

    "Modified: / 03-02-2018 / 07:31:34 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

delayedUpdateSelection

    | internalSelection |

    internalSelection := self internalSelectionHolder value.

    internalSelection notNil ifTrue:[

        self selectedVariableObjectHolder value: internalSelection varobj

    ] ifFalse:[ 

        self selectedVariableObjectHolder value: nil

    ].

    "Modified: / 28-01-2018 / 22:50:33 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!VDBVariableObjectListApplication 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

! !

!VDBVariableObjectListApplication methodsFor:'event handling'!

onStoppedEvent: aGDBStoppedEvent

    self enqueueDelayedInvalidateInternalList

    "Created: / 01-02-2018 / 23:14:05 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!VDBVariableObjectListApplication methodsFor:'initialization & release'!

subscribe   

    "Register for debugger events. To be overrided by subclasses"

    debugger announcer

        when: GDBStoppedEvent               send: #onStoppedEvent: to: self

    "Created: / 01-02-2018 / 23:07:19 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!VDBVariableObjectListApplication class methodsFor:'documentation'!

version_HG

    ^ '$Changeset: <not expanded> $'

! !