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SimpleView subclass:#UpDownButton
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instanceVariableNames:'upButton downButton'
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classVariableNames:''
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poolDictionaries:''
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category:'Views-Interactors'
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!
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!UpDownButton class methodsFor:'documentation'!
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documentation
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"
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an up/down button - simply two buttons in one view.
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[author:]
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Claus Gittinger
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[see also:]
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ArrowButton
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ComboUpDownView
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"
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!
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examples
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"
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[exBegin]
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|top ud|
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top := StandardSystemView new.
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top extent:(300 @ 200).
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ud := UpDownButton in:top.
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ud origin:(10 @ 10).
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ud upAction:[Transcript showCR:'up'].
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ud downAction:[Transcript showCR:'down'].
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top open.
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[exEnd]
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"
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! !
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!UpDownButton class methodsFor:'defaults'!
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downButtonForm
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"return the down-buttons image"
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<resource: #style (#upDownButtonDownForm #upDownButtonDownFormFile)>
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|fileName form|
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form := StyleSheet at:'upDownButtonDownForm' default:nil.
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form isNil ifTrue:[
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fileName := StyleSheet at:'upDownButtonDownFormFile' default:'ComboDnB_win.xbm'.
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form := Image fromFile:fileName.
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].
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form isNil ifTrue:[
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form := Form width:16 height:7
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fromArray:#[
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2r00000000 2r00000000
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2r00111111 2r11111100
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2r00011111 2r11111000
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2r00001111 2r11110000
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2r00000111 2r11100000
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2r00000011 2r11000000
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2r00000001 2r10000000
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]
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on:Display.
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].
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form notNil ifTrue:[
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^ form on:Display
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].
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^ nil
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"Created: 1.4.1997 / 11:53:39 / cg"
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"Modified: 1.4.1997 / 11:54:17 / cg"
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!
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upButtonForm
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"return the up-buttons image"
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<resource: #style (#upDownButtonUpForm #upDownButtonUpFormFile)>
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|fileName form|
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form := StyleSheet at:'upDownButtonUpForm' default:nil.
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form isNil ifTrue:[
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fileName := StyleSheet at:'upDownButtonUpFormFile' default:'ComboUpB_win.xbm'.
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form := Image fromFile:fileName.
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].
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form isNil ifTrue:[
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form := Form width:16 height:7
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fromArray:#[
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2r00000001 2r10000000
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2r00000011 2r11000000
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2r00000111 2r11100000
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2r00001111 2r11110000
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2r00011111 2r11111000
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2r00111111 2r11111100
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2r00000000 2r00000000
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]
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on:Display.
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].
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form notNil ifTrue:[
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^ form on:Display
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].
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^ nil
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"Modified: 29.3.1997 / 11:36:55 / cg"
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"Created: 1.4.1997 / 11:54:13 / cg"
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! !
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!UpDownButton methodsFor:'accessing-behavior'!
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downAction:aBlock
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downButton action:aBlock
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"Created: 1.4.1997 / 11:56:33 / cg"
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!
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upAction:aBlock
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upButton action:aBlock
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"Created: 1.4.1997 / 11:56:28 / cg"
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! !
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!UpDownButton methodsFor:'accessing-components'!
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downButton
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^ downButton
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"Created: 1.4.1997 / 11:56:05 / cg"
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!
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upButton
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^ upButton
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"Created: 1.4.1997 / 11:55:52 / cg"
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"Modified: 1.4.1997 / 11:56:02 / cg"
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! !
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!UpDownButton methodsFor:'initialization'!
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initialize
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super initialize.
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self initializeButtons
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"Created: 1.4.1997 / 11:58:07 / cg"
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!
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initializeButtons
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upButton := ArrowButton upIn:self.
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upButton label:(self class upButtonForm).
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upButton origin:0@0.
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upButton action:[self countUp].
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upButton autoRepeat:true.
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downButton := ArrowButton downIn:self.
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downButton label:(self class downButtonForm).
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downButton origin:(0 @ upButton preferredExtent y).
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downButton action:[self countDown].
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downButton autoRepeat:true.
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self preferredExtent:(upButton preferredExtent x
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@
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(upButton preferredExtent y
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+
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downButton preferredExtent y)).
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"Created: 1.4.1997 / 11:58:11 / cg"
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"Modified: 1.4.1997 / 11:58:43 / cg"
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! !
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!UpDownButton class methodsFor:'documentation'!
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version
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^ '$Header: /cvs/stx/stx/libwidg2/UpDownButton.st,v 1.1 1997-04-01 10:03:05 cg Exp $'
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! !
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