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Object subclass:#Menu
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instanceVariableNames:'items'
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classVariableNames:''
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poolDictionaries:''
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category:'Views-Support'
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!
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!Menu class methodsFor:'documentation'!
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documentation
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"
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not yet finished Menu class - this will eventually replace
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most of the MenuView and PopUpMenu stuff.
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(and hopefully be ST-80 compatible ...)
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For now, only a subset of the full protocol is implemented.
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[author:]
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Claus Gittinger
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[see also:]
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MenuItem
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PopUpMenu
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"
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! !
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!Menu methodsFor:'accessing'!
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labels
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"return a collection of labels from my items"
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^ items collect:[:anItem | anItem label]
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"Created: 25.2.1997 / 19:47:53 / cg"
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!
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menuItems:aCollectionOfMenuItems groups:groups values:values
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items := aCollectionOfMenuItems.
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values notNil ifTrue:[
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items with:values do:[:anItem :aValue |
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anItem value:aValue
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]
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]
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"Modified: 25.2.1997 / 19:36:28 / cg"
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!
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valueAt:index
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"return a collection of values from my items"
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^ (items at:index) value
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"Created: 25.2.1997 / 19:49:41 / cg"
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!
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values
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"return a collection of values from my items"
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^ items collect:[:anItem | anItem value]
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"Created: 25.2.1997 / 19:49:29 / cg"
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! !
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!Menu methodsFor:'converting'!
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fromLiteralArrayEncoding:aLiteralEncodedArray
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"read my contents from a aLiteralEncodedArray"
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|items groups values|
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items := (aLiteralEncodedArray at:2) collect:[:item | item decodeAsLiteralArray].
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groups := aLiteralEncodedArray at:3.
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values := aLiteralEncodedArray at:4.
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self menuItems:items groups:groups values:values.
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"extract from PD folder.st:
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#(#Menu #(
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#(#MenuItem
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#rawLabel: 'left'
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#value: #left )
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#(#MenuItem
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#rawLabel: 'center'
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#value: #center )
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#(#MenuItem
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#rawLabel: 'right'
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#value: #right )
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)
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#(3 )
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nil
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) decodeAsLiteralArray
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"
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452
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"
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#(#Menu #(
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#(#MenuItem
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#label: 'Straighten Up' )
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#(#MenuItem
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#label: 'Inspect' )
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#(#MenuItem
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#label: 'Coredump' )
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)
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#(3 )
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#(#straightenUp #inspect #halt )
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) decodeAsLiteralArray startUp
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"
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"
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#(#Menu #(
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#(#MenuItem
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#label: 'Straighten Up' )
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#(#MenuItem
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#label: 'Inspect' )
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#(#MenuItem
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#label: 'Coredump' )
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)
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#(3 )
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#(1 2 3 )
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) decodeAsLiteralArray startUp
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"
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451
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452
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"Modified: 25.2.1997 / 20:00:18 / cg"
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451
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! !
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!Menu methodsFor:'startup'!
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startUp
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"display the menu as a popUp; return the value associated with the
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selected item, 0 if none was selected"
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452
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|m val index|
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451
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"/ for now, use PopUpMenu ....
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m := PopUpMenu labels:self labels.
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index := m startUp.
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index ~~ 0 ifTrue:[
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val := self valueAt:index.
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val notNil ifTrue:[
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^ val
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]
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451
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].
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^ 0
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"
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|m|
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m := #(#Menu #(
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#(#MenuItem
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#rawLabel: 'left'
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#value: #left )
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#(#MenuItem
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#rawLabel: 'center'
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#value: #center )
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#(#MenuItem
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#rawLabel: 'right'
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#value: #right ) )
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#(3 )
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nil
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) decodeAsLiteralArray.
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m startUp
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"
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452
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"Modified: 25.2.1997 / 19:59:35 / cg"
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451
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! !
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!Menu class methodsFor:'documentation'!
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version
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452
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^ '$Header: /cvs/stx/stx/libview2/Menu.st,v 1.2 1997-02-25 19:21:47 cg Exp $'
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451
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! !
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