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"{ NameSpace: NewInspector }"
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SelectionInListView subclass:#InspectorListView
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instanceVariableNames:'actionHolder listHolder includesSelf'
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classVariableNames:''
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poolDictionaries:''
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category:'Inspector'
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!
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!InspectorListView class methodsFor:'documentation'!
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examples
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"
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|top slv a|
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a := OrderedCollection new.
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a add:1.
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top := StandardSystemView new
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label:'select';
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extent:200@200.
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slv := ScrollableView for:self in:top.
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slv origin:0.0@0.0 corner:1.0@1.0.
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slv := slv scrolledView.
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slv inspect:top.
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slv action:[:el|Transcript showCR:(el printString)].
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top open
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"
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! !
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!InspectorListView methodsFor:'accessing actions'!
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action:aOneArgAction
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"set the single click action block.
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If non-nil, that one is evaluated on single click, passing the
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selected instance as argument
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"
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actionHolder := aOneArgAction
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! !
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!InspectorListView methodsFor:'accessing attributes'!
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includesSelf
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^ includesSelf
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!
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includesSelf:aBool
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includesSelf := aBool
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!
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inspectedObject
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^ listHolder inspectedObject
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!
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isEmpty
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"returns true if view is empty
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"
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^ listHolder size == 0
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listHolder
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^ listHolder
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!
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notEmpty
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"returns true if view is empty
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"
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^ listHolder size ~~ 0
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! !
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!InspectorListView methodsFor:'accessing contents'!
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updateFromList:aListHolder
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"set the lists contents from a list
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"
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listHolder := aListHolder.
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listHolder includesSelf:includesSelf.
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super list:(listHolder instanceNames).
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self setSelection:(listHolder selection).
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!
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updateFromView:aInspectorListView
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"update contents from other view
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"
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self updateFromList:(aInspectorListView listHolder)
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!
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updateList
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"set the lists contents dependant on the object
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"
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self updateList:(listHolder inspectedObject) selection:selection.
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! !
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!InspectorListView methodsFor:'actions'!
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accept:aText notifying:aView
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"on error #Error is returned otherwise the inspected object instance
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"
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|res|
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res := listHolder accept:aText notifying:aView.
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res ~~ #Error ifTrue:[
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super list:(listHolder instanceNames).
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self setSelection:(listHolder selection)
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].
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^ res
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!
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doIt:aCode notifying:aView
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"on success the value returned from parser is returned otherwise #Error
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"
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|res|
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res := listHolder doIt:aCode notifying:aView.
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res ~~ #Error ifTrue:[
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super list:(listHolder instanceNames).
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self setSelection:(listHolder selection)
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].
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^ res
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!
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inspect:anObject
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"inspect an object
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"
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^ self inspect:anObject selection:nil
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!
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inspect:anObject selection:aNumber
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"inspect an object and set the selection
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"
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aNumber notNil ifTrue:[
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selection := aNumber
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] ifFalse:[
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(listHolder inspectedObject) ~~ anObject ifTrue:[
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selection := nil
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]
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].
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self updateList:anObject selection:selection
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! !
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!InspectorListView methodsFor:'drawing'!
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drawVisibleLineSelected:visLineNr with:fg and:bg
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"redraw a single line as selected."
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|nr|
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(nr := self visibleLineToListLine:visLineNr) notNil ifTrue:[
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^ self drawVisibleLine:visLineNr with:fg and:bg.
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].
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^ super drawVisibleLine:visLineNr with:fg and:bg
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!
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redrawArrowVisibleLine:visLineNr
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"draw a right arrow for visible line"
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|nr|
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nr := self visibleLineToListLine:visLineNr.
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(listHolder instanceTypeAt:nr) == #directory ifTrue:[
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self drawRightArrowInVisibleLine:visLineNr
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]
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!
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redrawFromVisibleLine:startVisLineNr to:endVisLineNr
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"redefined to look for directory in every line
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"
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super redrawFromVisibleLine:startVisLineNr to:endVisLineNr.
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startVisLineNr to:endVisLineNr do:[:visLineNr|
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self redrawArrowVisibleLine:visLineNr
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]
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!
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redrawVisibleLine:visLineNr
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"if the line is one for a directory, draw a right arrow
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"
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super redrawVisibleLine:visLineNr.
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self redrawArrowVisibleLine:visLineNr.
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!
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visibleLineNeedsSpecialCare:visLineNr
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|nr|
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(listHolder instanceTypeAt:nr) == #directory ifTrue:[
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^ true
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].
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^ super visibleLineNeedsSpecialCare:visLineNr
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!
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widthForScrollBetween:firstLine and:lastLine
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"return the width in pixels for a scroll between firstLine and lastLine
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- return full width here since there might be directory marks
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"
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^ (width - margin - margin)
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! !
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!InspectorListView methodsFor:'event handling'!
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sizeChanged:how
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"redraw marks"
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super sizeChanged:how.
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shown ifTrue:[self invalidate]
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! !
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!InspectorListView methodsFor:'initialization'!
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initialize
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"initialization
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"
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super initialize.
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ignoreReselect := false.
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includesSelf := false.
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actionHolder := [:el|].
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listHolder := InspectorList for:nil.
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actionBlock := [:dummy|
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self setSelection:selection.
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actionHolder value:(self selectedInstanceVar)
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].
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! !
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!InspectorListView methodsFor:'private'!
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updateList:inspObject selection:aSelection
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"set the lists contents dependant on the object
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"
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listHolder := InspectorList for:inspObject.
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listHolder includesSelf:includesSelf.
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super list:(listHolder instanceNames).
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aSelection notNil ifTrue:[
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self setSelection:aSelection
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] ifFalse:[
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includesSelf ifTrue:[
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self setSelection:1
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]
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]
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! !
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!InspectorListView methodsFor:'selections'!
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selectedInstanceName
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"returns the name assigned to the selected instance or nil
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"
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^ listHolder instanceNameAt:selection
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!
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selectedInstanceType
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"returns the type of the selected instance or nil
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known types are: #directory #normal or:#self
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"
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^ listHolder instanceTypeAt:selection
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!
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selectedInstanceVar
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"returns the value assigned to the selected instance or nil
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"
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^ listHolder instanceVarAt:selection
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!
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setSelection:aNumberOrNil
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"select line, aNumber or deselect if argument is nil
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"
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|type|
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aNumberOrNil notNil ifTrue:[
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type := listHolder instanceTypeAt:aNumberOrNil.
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listHolder selection:aNumberOrNil.
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type == #grow ifTrue:[
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super list:(listHolder instanceNames)
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]
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].
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super setSelection:aNumberOrNil
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! !
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!InspectorListView class methodsFor:'documentation'!
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version
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^ '$Header$'
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! !
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