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741
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Model subclass:#GraphColumn
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instanceVariableNames:'aspects functionYblock'
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classVariableNames:''
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poolDictionaries:''
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category:'Views-Graphs'
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!
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748
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!GraphColumn class methodsFor:'documentation'!
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documentation
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"
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a model, which keeps all the information to describe a graph column as used by
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the GraphColumnView. Each change of an attribute will raise a change notification
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and immediately take affect in the graphs
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[author:]
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Claus Atzkern
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[see also:]
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GraphColumnView
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GraphColumnView2D
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GraphColumnView3D
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"
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! !
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741
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!GraphColumn class methodsFor:'instance creation'!
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name:aName
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^ self new name:aName
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!
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new
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^ super basicNew initialize
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! !
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!GraphColumn class methodsFor:'menu definitions'!
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colorMenuSelector:aSelector
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"specification used to build the Menu
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"
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^ ColorMenu colorMenu:true value:aSelector.
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!
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middleButtonMenu
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"this window spec was automatically generated by the ST/X MenuEditor"
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"do not manually edit this - the builder may not be able to
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handle the specification if its corrupted."
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"
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MenuEditor new openOnClass:GraphColumn andSelector:#middleButtonMenu
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(Menu new fromLiteralArrayEncoding:(GraphColumn middleButtonMenu)) startUp
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"
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<resource: #menu>
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^
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#(#Menu
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#(
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#(#MenuItem
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#'label:' 'Style'
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#'argument:' #'lineStyle:'
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#'submenuChannel:' #'styleMenuSelector:'
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)
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#(#MenuItem
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#'label:' 'Size'
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#'argument:' #'lineWidth:'
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#'submenuChannel:' #'widthMenuSelector:'
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)
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#(#MenuItem
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#'label:' 'Color'
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#'argument:' #'foregroundColor:'
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#'submenuChannel:' #'colorMenuSelector:'
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)
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#(#MenuItem
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#'label:' 'Zoom Y'
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#'argument:' #'zoomY:'
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#'submenuChannel:' #'zoomMenuSelector:'
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)
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) nil
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nil
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)
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!
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styleMenuSelector:aSelector
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|menu width height item bitmap|
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menu := Menu new.
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width := 40.
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height := 10.
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#( #solid #dashed ) do:[:style|
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bitmap := Form width:width height:height depth:1.
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bitmap paint:(Color colorId:1).
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bitmap fillRectangleX:0 y:0 width:width height:height.
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bitmap paint:(Color colorId:0).
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bitmap fillRectangleX:0 y:0 width:width height:height.
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bitmap paint:(Color colorId:1).
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bitmap lineWidth:2.
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bitmap lineStyle:style.
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bitmap displayLineFromX:2 y:(height // 2) toX:width-2 y:(height // 2).
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item := MenuItem labeled:bitmap.
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item value:aSelector.
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item argument:style.
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menu addItem:item.
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].
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^ menu
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"
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(self styleMenuSelector:#lineStyle) startUp
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"
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!
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widthMenuSelector:aSelector
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|menu width item bitmap|
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menu := Menu new.
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width := 40.
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#( 1 2 3 4 5 6 ) do:[:height|
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bitmap := Form width:width height:height depth:1.
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bitmap paint:(Color colorId:1).
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bitmap fillRectangleX:0 y:0 width:width height:height.
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item := MenuItem labeled:bitmap.
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item value:aSelector.
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item argument:height.
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menu addItem:item.
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].
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item := MenuItem labeled:'other ..'.
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item value:[:arg :panel||n|
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n := Number fromString:(Dialog request:'size:') onError:nil.
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n notNil ifTrue:[
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panel receiver perform:aSelector with:n
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]
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].
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menu addItem:item.
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^ menu
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"
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(self widthMenuSelector:#lineWidth) startUp
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"
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!
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zoomMenuSelector:aSelector
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"specification used to build the Menu
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"
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|menu width item bitmap|
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menu := Menu new.
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width := 40.
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#( 25 50 75 nil 100 nil 150 200 nil ) do:[:zY|
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zY notNil ifTrue:[
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item := MenuItem labeled:(zY printString, ' %' ).
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item value:aSelector.
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item argument:(zY / 100).
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] ifFalse:[
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item := MenuItem labeled:'-'.
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].
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menu addItem:item.
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].
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item := MenuItem labeled:'other ..'.
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item value:[:arg :panel||n|
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n := Number fromString:(Dialog request:'zoom %:') onError:nil.
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n notNil ifTrue:[
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panel receiver perform:aSelector with:(n / 100)
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]
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].
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menu addItem:item.
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^ menu
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"
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(self zoomMenuSelector:#zoomY) startUp
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"
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! !
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!GraphColumn methodsFor:'accessing'!
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name
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"get the name of the column
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"
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^ aspects at:#name ifAbsent:nil
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!
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name:aName
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"set the name of the column
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"
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self aspectAt:#name put:aName
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!
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relativeXaxis
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"returns the relative X-axis (y == 0) into the graph view; staring at top (0.0) to
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bottom (1.0). Thus a relative X axis of 0.5 means the graph is centered in the view.
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741
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"
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^ aspects at:#relativeXaxis ifAbsent:0.5
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!
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relativeXaxis:aNumberOrNil
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"sets the relative X-axis (y == 0) into the graph view; staring at top (0.0) to
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bottom (1.0). Thus a relative X axis of 0.5 means the graph is centered in the view.
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In case that the value is not a valid number, the relative X axis is set to 0.5.
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741
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"
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|x|
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aNumberOrNil notNil ifTrue:[
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x := aNumberOrNil isInteger ifTrue:[aNumberOrNil]
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ifFalse:[aNumberOrNil asFloat] "/ no fractions
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] ifFalse:[
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x := 0.5
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].
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self aspectAt:#relativeXaxis put:x
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!
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scaleY
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"returns the current y-scale of the column (~~ 0); this value should be set once
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dependant on the maximum and minimum Y value. To zoom the graph vertical use
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insteat #zoomY:.
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741
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"
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^ aspects at:#scaleY ifAbsent:1
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!
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scaleY:aNumberOrNil
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"set the current y-scale of the column (~~ 0); this value should be set once
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dependant on the maximum and minimum Y value. To zoom the graph vertical use
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insteat #zoomY:.
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In case that the value is not a valid number or less equal zero, the scale Y
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factor is set to its default value (1).
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741
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"
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|y|
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aNumberOrNil notNil ifTrue:[
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y := aNumberOrNil isInteger ifTrue:[aNumberOrNil]
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ifFalse:[aNumberOrNil asFloat]. "/ no fractions
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y > 0 ifFalse:[y := 1]
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] ifFalse:[
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y := 1
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].
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self aspectAt:#scaleY put:y
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!
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shown
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748
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"returns true if the column is shown otherwise false
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741
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"
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^ aspects at:#shown ifAbsent:true
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!
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shown:aState
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748
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"set the visibility state of the column
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741
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"
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self aspectAt:#shown put:aState
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!
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transY
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748
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"get the current y-transition of the column; the default is 0
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741
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"
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^ aspects at:#transY ifAbsent:0
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transY:anIntegerOrNil
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"set the current y-transition of the column to an integer or nil (== 0).
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"
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|y|
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anIntegerOrNil notNil ifTrue:[
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y := anIntegerOrNil isInteger ifTrue:[anIntegerOrNil]
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ifFalse:[anIntegerOrNil asFloat rounded] "/ catch fractions
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] ifFalse:[
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y := 0
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].
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self aspectAt:#transY put:y
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!
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zoomY
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748
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"returns the current y-zoom factor of the column excluding the scale Y factor
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741
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"
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^ aspects at:#zoomY ifAbsent:1
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!
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zoomY:aFactor
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748
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"set the current y-zoom factor of the column. The graph and its
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horizontal lines are vertical zoomed relative to its center defined
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by the relativeXaxis.
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In case that the value is not a valid number or less equal zero, the zoom Y
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factor is set to its default value (1).
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741
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"
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|y|
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aFactor notNil ifTrue:[
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y := aFactor isInteger ifTrue:[aFactor]
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ifFalse:[aFactor asFloat]. "/ no fractions
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y > 0 ifFalse:[y := 1]
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] ifFalse:[
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y := 1
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].
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self aspectAt:#zoomY put:y
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! !
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!GraphColumn methodsFor:'accessing Y function'!
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functionYblock
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"get the two arguments block which is used to access Y values from
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start into an array. The block should return the collection of y
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values; see method: #from:into:
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"
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^ functionYblock
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!
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functionYblock:something
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"set the two arguments block which is used to access Y values from
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start into an array. The block should return the collection of y
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values; see method: #from:into:
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"
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functionYblock := something.
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self changed.
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! !
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!GraphColumn methodsFor:'accessing Y values'!
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yValueAt:anIndex
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748
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"returns the Y value at an index
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741
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"
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^ (self yValuesStartAt:anIndex into:(Array new:1)) at:1
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!
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yValuesStartAt:start into:anArray
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748
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"returns the Y values from start upto an array size. The collection of Y
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values should be returned.
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You can use the argument anArray, to store the Y values or a new array.
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The functionYblock is obligated to return the array used
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741
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"
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^ functionYblock value:start value:anArray
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! !
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!GraphColumn methodsFor:'accessing graph'!
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foregroundColor
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748
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"returns the color of the graph; if the color is nil the default foreground color
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of the graph is used which derives from the style sheet.
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741
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"
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^ aspects at:#foregroundColor ifAbsent:nil
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!
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foregroundColor:aColor
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748
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"set the color of the graph; if the color is nil the default foreground color
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of the graph is used which derives from the style sheet.
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741
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"
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self aspectAt:#foregroundColor put:aColor
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!
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lineStyle
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748
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"returns the style in which the graph is drawn; if no style is defined, the
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default style is used (#solid).
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Supported styles are #solid or #dashed
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741
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"
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^ aspects at:#lineStyle ifAbsent:#solid
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!
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379 |
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lineStyle:aStyle
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748
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381 |
"set the style in which the graph is drawn; if no style is defined or
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in case of a non valid style, the default style is used (#solid).
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383 |
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Supported styles are #solid or #dashed
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741
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385 |
"
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748
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|style|
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387 |
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style := aStyle == #dashed ifFalse:[#solid] ifTrue:[#dashed].
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389 |
self aspectAt:#lineStyle put:style
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741
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390 |
!
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391 |
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392 |
lineWidth
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748
|
393 |
"returns the width of the graph line
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741
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394 |
"
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395 |
^ aspects at:#lineWidth ifAbsent:1
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396 |
!
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397 |
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|
398 |
lineWidth:anInteger
|
|
748
|
399 |
"set the width of the graph line; if the width is not defined or
|
|
|
400 |
not a valid number, the default value is set (1).
|
|
741
|
401 |
"
|
|
|
402 |
self aspectAt:#lineWidth put:(anInteger ? 1)
|
|
|
403 |
! !
|
|
|
404 |
|
|
|
405 |
!GraphColumn methodsFor:'accessing hLines'!
|
|
|
406 |
|
|
|
407 |
hLineFgColor
|
|
748
|
408 |
"returns the color of the horizontal lines; if the color is nil the default foreground
|
|
|
409 |
color of the graph is used which derives from the style sheet.
|
|
741
|
410 |
"
|
|
|
411 |
^ aspects at:#hLineFgColor ifAbsent:nil
|
|
|
412 |
!
|
|
|
413 |
|
|
|
414 |
hLineFgColor:aColor
|
|
748
|
415 |
"set the color of the horizontal lines; if the color is nil the default foreground
|
|
|
416 |
color of the graph is used which derives from the style sheet.
|
|
741
|
417 |
"
|
|
|
418 |
self aspectAt:#hLineFgColor put:aColor
|
|
|
419 |
!
|
|
|
420 |
|
|
|
421 |
hLineList
|
|
748
|
422 |
"returns the list of horizontal lines or nil
|
|
741
|
423 |
"
|
|
|
424 |
^ aspects at:#hLineList ifAbsent:nil
|
|
|
425 |
!
|
|
|
426 |
|
|
|
427 |
hLineList:aCollection
|
|
748
|
428 |
"set the list of horizontal lines to be drawn
|
|
741
|
429 |
"
|
|
|
430 |
|col|
|
|
|
431 |
|
|
|
432 |
col := (aCollection size ~~ 0) ifTrue:[aCollection] ifFalse:[nil].
|
|
|
433 |
|
|
|
434 |
self aspectAt:#hLineList put:col
|
|
|
435 |
!
|
|
|
436 |
|
|
|
437 |
hLineStyle
|
|
748
|
438 |
"returns the style in which the horizontal lines are drawn; if no style is
|
|
|
439 |
defined, the default style is used (#solid).
|
|
|
440 |
|
|
|
441 |
Supported styles are #solid or #dashed
|
|
741
|
442 |
"
|
|
|
443 |
^ aspects at:#hLineStyle ifAbsent:#solid
|
|
|
444 |
!
|
|
|
445 |
|
|
|
446 |
hLineStyle:aStyle
|
|
748
|
447 |
"set the style in which the horizontal lines are drawn; if no style is defined
|
|
|
448 |
or in case of a non valid style, the default style is used (#solid).
|
|
|
449 |
|
|
|
450 |
Supported styles are #solid or #dashed.
|
|
741
|
451 |
"
|
|
748
|
452 |
|style|
|
|
|
453 |
|
|
|
454 |
style := aStyle == #dashed ifFalse:[#solid] ifTrue:[#dashed].
|
|
|
455 |
self aspectAt:#hLineStyle put:style
|
|
741
|
456 |
!
|
|
|
457 |
|
|
|
458 |
hLineWidth
|
|
748
|
459 |
"returns the width of the horizontal lines
|
|
741
|
460 |
"
|
|
|
461 |
^ aspects at:#hLineWidth ifAbsent:1
|
|
|
462 |
|
|
|
463 |
!
|
|
|
464 |
|
|
|
465 |
hLineWidth:anInteger
|
|
748
|
466 |
"set the width of the horizontal lines; if the width is not defined or
|
|
|
467 |
not a valid number, the default value is set (1).
|
|
741
|
468 |
"
|
|
|
469 |
self aspectAt:#hLineWidth put:(anInteger ? 1)
|
|
|
470 |
|
|
|
471 |
|
|
|
472 |
! !
|
|
|
473 |
|
|
|
474 |
!GraphColumn methodsFor:'accessing menu'!
|
|
|
475 |
|
|
|
476 |
middleButtonMenu
|
|
748
|
477 |
"returns the default middle button menu of a column
|
|
|
478 |
"
|
|
741
|
479 |
|menu|
|
|
|
480 |
|
|
|
481 |
menu := Menu new fromLiteralArrayEncoding:(self class middleButtonMenu).
|
|
|
482 |
menu receiver:self.
|
|
|
483 |
^ menu
|
|
|
484 |
|
|
|
485 |
|
|
|
486 |
! !
|
|
|
487 |
|
|
|
488 |
!GraphColumn methodsFor:'aspects'!
|
|
|
489 |
|
|
|
490 |
aspect
|
|
|
491 |
"returns current aspects
|
|
|
492 |
"
|
|
|
493 |
^ aspects
|
|
|
494 |
!
|
|
|
495 |
|
|
|
496 |
aspectAt:aKey put:aValue
|
|
748
|
497 |
"set an aspect; if the aspect changed its value, a notification will
|
|
|
498 |
be raised. The arguments to the change notifications is the key of
|
|
|
499 |
the aspect (selector) and the old value of the aspect.
|
|
|
500 |
"
|
|
741
|
501 |
|oldValue|
|
|
|
502 |
|
|
|
503 |
oldValue := aspects at:aKey ifAbsent:nil.
|
|
|
504 |
|
|
|
505 |
oldValue ~= aValue ifTrue:[
|
|
|
506 |
aValue isNil ifTrue:[aspects removeKey:aKey]
|
|
|
507 |
ifFalse:[aspects at:aKey put:aValue].
|
|
|
508 |
|
|
|
509 |
self changed:aKey with:oldValue
|
|
|
510 |
]
|
|
|
511 |
!
|
|
|
512 |
|
|
|
513 |
aspects:aDictionaryOrNil
|
|
|
514 |
"change aspects; raise a change notification when changed. If the argument is
|
|
|
515 |
nil, the default aspects are set
|
|
|
516 |
"
|
|
|
517 |
|oldAspects|
|
|
|
518 |
|
|
|
519 |
aDictionaryOrNil == aspects ifFalse:[
|
|
|
520 |
oldAspects := aspects.
|
|
|
521 |
self setAspects:aDictionaryOrNil.
|
|
|
522 |
self changed:#aspects with:oldAspects.
|
|
|
523 |
]
|
|
|
524 |
!
|
|
|
525 |
|
|
|
526 |
setAspects:aDictionaryOrNil
|
|
|
527 |
"change aspects; raise no notification. If the argument is
|
|
|
528 |
nil, the default aspects are set
|
|
|
529 |
"
|
|
|
530 |
aDictionaryOrNil isNil ifTrue:[
|
|
|
531 |
aspects := IdentityDictionary new.
|
|
|
532 |
|
|
|
533 |
aspects at:#hLineWidth put:1.
|
|
|
534 |
aspects at:#lineWidth put:1.
|
|
|
535 |
aspects at:#scaleY put:1.
|
|
|
536 |
aspects at:#zoomY put:1.
|
|
|
537 |
aspects at:#transY put:0.
|
|
|
538 |
aspects at:#relativeXaxis put:0.5.
|
|
|
539 |
] ifFalse:[
|
|
|
540 |
aspects := aDictionaryOrNil
|
|
|
541 |
]
|
|
|
542 |
! !
|
|
|
543 |
|
|
|
544 |
!GraphColumn methodsFor:'initialization'!
|
|
|
545 |
|
|
|
546 |
initialize
|
|
|
547 |
"setup default values
|
|
|
548 |
"
|
|
|
549 |
super initialize.
|
|
|
550 |
self setAspects:nil.
|
|
|
551 |
! !
|
|
|
552 |
|
|
|
553 |
!GraphColumn methodsFor:'printing'!
|
|
|
554 |
|
|
|
555 |
printString
|
|
|
556 |
"returns my printable string
|
|
|
557 |
"
|
|
|
558 |
|name|
|
|
|
559 |
|
|
|
560 |
^ (name := self name) notNil ifTrue:[name printString] ifFalse:['']
|
|
|
561 |
! !
|
|
|
562 |
|
|
|
563 |
!GraphColumn methodsFor:'queries'!
|
|
|
564 |
|
|
|
565 |
centerGraphMaxY:maxY minY:minY
|
|
748
|
566 |
"set the transition Y for the graph dependant on the current scaleY, the maximum
|
|
|
567 |
and minimum Y value; the graph is centered to its relative X-Axis.
|
|
741
|
568 |
"
|
|
|
569 |
self transY:(((maxY + minY) / 2) * self scaleY)
|
|
|
570 |
!
|
|
|
571 |
|
|
|
572 |
scaleToHeight:aHeight maxY:maxY minY:minY
|
|
748
|
573 |
"set the scale Y value dependant on the maximum and minimum Y value to fit into
|
|
741
|
574 |
a height >= 1
|
|
|
575 |
"
|
|
|
576 |
|dltY|
|
|
|
577 |
|
|
|
578 |
(dltY := (maxY - minY) abs) = 0 ifTrue:[dltY := 1].
|
|
|
579 |
self scaleY:((aHeight max:1) / dltY)
|
|
|
580 |
! !
|
|
|
581 |
|
|
|
582 |
!GraphColumn class methodsFor:'documentation'!
|
|
|
583 |
|
|
|
584 |
version
|
|
748
|
585 |
^ '$Header: /cvs/stx/stx/libwidg2/GraphColumn.st,v 1.2 1998-02-09 09:49:55 ca Exp $'
|
|
741
|
586 |
! !
|