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"
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COPYRIGHT (c) 1994 by AEG Industry Automation
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COPYRIGHT (c) 1994 by Claus Gittinger
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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Object subclass:#HierarchyNode
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instanceVariableNames:'name id parent children contents disabled hide level
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childCollectionClass'
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classVariableNames:''
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poolDictionaries:''
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category:'Interface-Support'
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!
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!HierarchyNode class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 1994 by AEG Industry Automation
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COPYRIGHT (c) 1994 by Claus Gittinger
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All Rights Reserved
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This software is furnished under a license and may be used
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31 |
only in accordance with the terms of that license and with the
|
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32 |
inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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!
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documentation
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"
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class to build up tree like structures to represent
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file-trees, class tress etc.
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Especially suited for use with SelectionInHierarchy and
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SelectionInHierarchyView.
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See examples in SelectionInHierarchyView.
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[Author:]
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W. Olberding AEG Factory Automation
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[See also:]
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SelectionInHierarchy
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SelectionInHierarchyView
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"
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! !
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!HierarchyNode class methodsFor:'instance creation'!
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new
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^super new initialize
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!
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newAsTreeFromSmalltalkClass:aClass
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"create a tree of nodes with aClass and all its
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subclasses as contents."
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^ self
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newAsTreeFromSmalltalkClass:aClass
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level:(aClass allSuperclasses size).
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"Modified: 15.4.1997 / 16:34:23 / cg"
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!
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newAsTreeFromSmalltalkClass:aClass level:level
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"create a tree of nodes with aClass and all its
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subclasses as contents. Set the initial level as given."
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|newInst|
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newInst := super new initialize.
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newInst name:aClass name.
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newInst contents:aClass.
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newInst level:level.
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newInst childCollectionClass:OrderedCollection.
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(aClass subclasses asSortedCollection:[:a :b | a name < b name])
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do:[:aSubClass |
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newInst addChild:(self newAsTreeFromSmalltalkClass:aSubClass level:level+1).
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].
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^newInst
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"Created: 15.4.1997 / 16:33:52 / cg"
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"Modified: 1.7.1997 / 11:57:15 / cg"
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!
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newWithName:aString
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"create a new node with a name"
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|newInst|
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newInst := super new initialize.
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newInst name: aString.
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^newInst
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"Modified: 15.4.1997 / 16:32:06 / cg"
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!
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newWithName: aString andId: anId
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"create a new node with a name and id"
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|newInst|
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newInst := super new initialize.
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newInst name: aString.
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newInst id: anId.
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^newInst
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"Modified: 15.4.1997 / 16:32:22 / cg"
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! !
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!HierarchyNode methodsFor:'accessing'!
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childCollectionClass:aCollectionClass
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"set the class of the child-collection.
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Default is Set."
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childCollectionClass := aCollectionClass.
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children := aCollectionClass withAll:children.
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!
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children
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"Answer my immediate children."
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^ children
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"Modified: 10.10.94 / 16:13:34 / W.Olberding"!
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children:aCollectionWithElementsOfMyKind
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"set my children"
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aCollectionWithElementsOfMyKind do:[:child |
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child parent: self.
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child level: level + 1.
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].
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children := aCollectionWithElementsOfMyKind.
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"Modified: 10.10.1994 / 16:13:33 / W.Olberding"
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"Modified: 15.4.1997 / 16:48:38 / cg"
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!
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contents
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"Answer the contents of me (e.g. a set of items)"
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^contents
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"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
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contents: anObject
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"Set the contents of me to any object (e.g. a set of items)"
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^contents:= anObject
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"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
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disabled
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"return disabled"
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^ disabled
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"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
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disabled: aBool
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"set disabled"
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disabled := aBool.
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"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
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hide: aBoolean
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"Set hide to aBoolean"
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hide:= aBoolean
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"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
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hideToFalseForPath
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"set the hide-flag to false"
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hide:= false.
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parent isNil ifTrue: [^self].
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parent hideToFalseForPath
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"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
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id
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"return id"
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^ id
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"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
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id:something
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"set id"
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id := something.
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"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
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level
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"answer the level in hierarchy (0=root)"
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^level
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"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
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level: anInteger
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"set the level in hierarchy (0=root)"
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level := anInteger.
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"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
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name
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"return name"
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^ name
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"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
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name: aString
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"set the name that identifys me within my parent's context."
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name := aString.
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"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
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ordered:aBoolean
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"set/clear the children-are-ordered flag.
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If unordered (the default), children are kept in a set;
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if ordered, they are kept in an orderedCollection."
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aBoolean ifTrue:[
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children := children asOrderedCollection
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] ifFalse:[
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children := children asSet
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].
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!
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parent:something
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"set parent"
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parent := something.
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"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
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pathName
|
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"return a full path name to me"
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|n|
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|
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n := self delimiterString , name.
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|
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parent isNil ifTrue: [^ n].
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^ parent pathName , n.
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264 |
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|
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"Modified: 10.10.1994 / 16:13:33 / W.Olberding"
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|
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"Modified: 15.4.1997 / 16:52:02 / cg"
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! !
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!HierarchyNode methodsFor:'constants'!
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delimiter
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"Answer the delimiter character"
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|
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^$/
|
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|
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|
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|
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"Modified: 10.10.94 / 16:13:35 / W.Olberding"!
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delimiterString
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|
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"Answer the delimiter character asString"
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|
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|
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|
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^self delimiter asString
|
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|
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"Modified: 10.10.94 / 16:13:35 / W.Olberding"! !
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|
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|
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!HierarchyNode methodsFor:'copy'!
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|
286 |
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|
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copyWithParent:aParent
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|
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|node chd|
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|
289 |
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|
290 |
node := self copy.
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|
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node parent:aParent.
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|
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node level:((aParent level) + 1).
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|
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node children:(children collect:[:aChild| aChild copyWithParent:self]).
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|
294 |
^ node
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|
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! !
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|
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|
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!HierarchyNode methodsFor:'hierarchy operations'!
|
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|
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|
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addChild:anObjectOfMyKind
|
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|
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"add anObjectOfMyKind to my children"
|
|
301 |
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|
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anObjectOfMyKind parent: self.
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|
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anObjectOfMyKind level: level +1.
|
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|
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self children add:anObjectOfMyKind.
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|
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|
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|
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"Modified: 10.10.1994 / 16:13:34 / W.Olberding"
|
|
307 |
"Modified: 15.4.1997 / 16:49:17 / cg"
|
|
308 |
!
|
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|
309 |
|
439
|
310 |
addChildAndSubChildren:aHierarchyNode after:aChild
|
|
311 |
"add aHierarchyNode to my children after an existing child or at end"
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|
312 |
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|
313 |
|node index|
|
|
314 |
|
|
315 |
node := aHierarchyNode copyWithParent:self.
|
|
316 |
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|
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(index := self indexOfChild:aChild) == 0 ifTrue:[
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|
318 |
self children add:node
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|
319 |
] ifFalse:[
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|
320 |
self children add:node afterIndex:index
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|
321 |
].
|
|
322 |
!
|
|
323 |
|
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|
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addChildren: aCollectionWithElementsOfMyKind
|
|
325 |
"add aCollectionWithElementsOfMyKind to my children"
|
|
326 |
|
359
|
327 |
aCollectionWithElementsOfMyKind do:[:child |
|
|
328 |
child parent: self.
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|
329 |
child level: level +1.
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|
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].
|
359
|
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self children addAll:aCollectionWithElementsOfMyKind.
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|
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|
359
|
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"Modified: 10.10.1994 / 16:13:34 / W.Olberding"
|
|
334 |
"Modified: 15.4.1997 / 16:49:03 / cg"
|
|
335 |
!
|
84
|
336 |
|
|
337 |
allChildren
|
|
338 |
"Answer my immediate children plus all my grandchildren
|
|
339 |
-- in hierachical order and alphabeticaly sorted by name within one level."
|
|
340 |
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|
341 |
| kids |
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|
342 |
kids := OrderedCollection new.
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|
343 |
self addAllChildrenTo: kids.
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|
344 |
^kids.
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|
345 |
|
|
346 |
"Modified: 10.10.94 / 16:13:34 / W.Olberding"!
|
|
347 |
|
253
|
348 |
allParents
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|
349 |
"return all my parents (next first - root last)"
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|
350 |
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|
351 |
parent isNil ifTrue: [ ^OrderedCollection new: 0 ]
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|
352 |
ifFalse: [ ^parent, parent allParents ].
|
|
353 |
|
|
354 |
"Modified: 10.10.94 / 16:13:34 / W.Olberding"!
|
|
355 |
|
|
356 |
collapse
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|
357 |
"Hide my children in hierachical printouts."
|
|
358 |
|
|
359 |
hide := true
|
|
360 |
|
|
361 |
"Modified: 10.10.94 / 16:13:34 / W.Olberding"!
|
|
362 |
|
|
363 |
collapseAll
|
359
|
364 |
"Hide my children and all my grandchildren in hierachical printouts."
|
253
|
365 |
|
359
|
366 |
hide := true.
|
|
367 |
self children do: [:kid | kid collapseAll ].
|
84
|
368 |
|
359
|
369 |
"Modified: 10.10.1994 / 16:13:34 / W.Olberding"
|
|
370 |
"Modified: 15.4.1997 / 16:49:34 / cg"
|
|
371 |
!
|
84
|
372 |
|
|
373 |
expand
|
|
374 |
"Show my immediate children in hierachical printouts."
|
|
375 |
|
|
376 |
hide := false.
|
|
377 |
|
|
378 |
"Modified: 10.10.94 / 16:13:34 / W.Olberding"!
|
|
379 |
|
253
|
380 |
expandAll
|
359
|
381 |
"Show my children and all grand children in hierachical printouts."
|
253
|
382 |
|
359
|
383 |
hide := false.
|
|
384 |
self children do: [:kid | kid expandAll ].
|
253
|
385 |
|
359
|
386 |
"Modified: 10.10.1994 / 16:13:34 / W.Olberding"
|
|
387 |
"Modified: 15.4.1997 / 16:49:48 / cg"
|
|
388 |
!
|
253
|
389 |
|
|
390 |
parent
|
|
391 |
"return parent"
|
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|
392 |
|
253
|
393 |
^ parent
|
|
394 |
|
|
395 |
"Modified: 10.10.94 / 16:13:34 / W.Olberding"!
|
|
396 |
|
|
397 |
removeAllChildren
|
|
398 |
"Remove all children of me from the tree, i.e. let them
|
|
399 |
forget myself as parent."
|
|
400 |
|
359
|
401 |
| kids |
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|
402 |
|
359
|
403 |
kids := self allChildren.
|
|
404 |
kids do: [:kid | kid parent: nil ].
|
435
|
405 |
children := childCollectionClass new.
|
359
|
406 |
|
|
407 |
"Modified: 10.10.1994 / 16:13:34 / W.Olberding"
|
|
408 |
"Modified: 15.4.1997 / 16:50:01 / cg"
|
|
409 |
!
|
84
|
410 |
|
|
411 |
removeChild: anObjectOfMyKind
|
359
|
412 |
"remove anObjectOfMyKind from my children"
|
84
|
413 |
|
|
414 |
anObjectOfMyKind parent: nil.
|
359
|
415 |
children remove: anObjectOfMyKind.
|
84
|
416 |
|
359
|
417 |
"Modified: 10.10.1994 / 16:13:34 / W.Olberding"
|
|
418 |
"Modified: 15.4.1997 / 16:50:23 / cg"
|
84
|
419 |
!
|
|
420 |
|
|
421 |
removeYourself
|
|
422 |
"remove me and all my children"
|
|
423 |
|
|
424 |
parent isNil ifTrue: [^nil].
|
|
425 |
parent removeChild: self.
|
|
426 |
|
359
|
427 |
"Modified: 10.10.1994 / 16:13:34 / W.Olberding"
|
|
428 |
"Modified: 15.4.1997 / 16:52:33 / cg"
|
|
429 |
!
|
84
|
430 |
|
|
431 |
withAllChildren
|
|
432 |
"Answer me, my immediate children and all my grandchildren
|
|
433 |
-- in hierachical order and alphabeticaly sorted by name within one level."
|
|
434 |
|
|
435 |
| kids |
|
|
436 |
kids := OrderedCollection with: self .
|
|
437 |
self addAllChildrenTo: kids.
|
|
438 |
^kids.
|
|
439 |
|
|
440 |
"Modified: 10.10.94 / 16:13:34 / W.Olberding"!
|
|
441 |
|
253
|
442 |
withAllShownChildren
|
|
443 |
"Answer me, my immediate children and all my grandchildren which are
|
|
444 |
currently not hidden.
|
|
445 |
-- in hierachical order and alphabeticaly sorted by name within one level."
|
84
|
446 |
|
|
447 |
| kids |
|
253
|
448 |
kids := OrderedCollection with: self .
|
|
449 |
self addAllShownChildrenTo: kids.
|
|
450 |
^kids.
|
84
|
451 |
|
|
452 |
"Modified: 10.10.94 / 16:13:34 / W.Olberding"! !
|
|
453 |
|
|
454 |
!HierarchyNode methodsFor:'initialize-release'!
|
|
455 |
|
|
456 |
initialize
|
359
|
457 |
"init some defaults"
|
84
|
458 |
|
|
459 |
" name
|
359
|
460 |
id
|
|
461 |
parent --"
|
|
462 |
|
435
|
463 |
childCollectionClass := Set.
|
359
|
464 |
children := Set new.
|
|
465 |
|
84
|
466 |
" contents := Set new."
|
|
467 |
|
359
|
468 |
disabled := false.
|
|
469 |
hide := false.
|
|
470 |
level := 0. "=root"
|
|
471 |
|
|
472 |
"Modified: 10.10.1994 / 16:13:35 / W.Olberding"
|
|
473 |
"Modified: 15.4.1997 / 16:50:44 / cg"
|
|
474 |
! !
|
84
|
475 |
|
253
|
476 |
!HierarchyNode methodsFor:'private'!
|
|
477 |
|
359
|
478 |
addAllChildrenTo:aCollection
|
|
479 |
"Add all my children in hierachical and alphabetical order
|
|
480 |
to aCollection."
|
|
481 |
|
|
482 |
|myChildren|
|
84
|
483 |
|
435
|
484 |
"/ myChildren := children asSortedCollection:[:x :y | x name < y name ].
|
|
485 |
myChildren := self children.
|
359
|
486 |
myChildren do:[:aChild |
|
|
487 |
aCollection addLast: aChild.
|
|
488 |
aChild addAllChildrenTo:aCollection.
|
|
489 |
].
|
84
|
490 |
|
359
|
491 |
"Modified: 10.10.1994 / 16:13:35 / W.Olberding"
|
|
492 |
"Modified: 15.4.1997 / 16:47:53 / cg"
|
|
493 |
!
|
84
|
494 |
|
253
|
495 |
addAllShownChildrenTo: aCollection
|
359
|
496 |
"Add all my children in hierachical and alphabetical order
|
|
497 |
if they are not hidden."
|
|
498 |
|
|
499 |
|myChildren|
|
84
|
500 |
|
359
|
501 |
hide ifTrue: [^self].
|
435
|
502 |
"/ myChildren := self children asSortedCollection:[:x :y | x name < y name ].
|
|
503 |
myChildren := self children.
|
359
|
504 |
myChildren do: [:aChild |
|
|
505 |
aCollection addLast: aChild.
|
|
506 |
aChild addAllShownChildrenTo: aCollection.
|
|
507 |
].
|
84
|
508 |
|
359
|
509 |
"Modified: 10.10.1994 / 16:13:35 / W.Olberding"
|
|
510 |
"Modified: 15.4.1997 / 16:53:08 / cg"
|
439
|
511 |
!
|
|
512 |
|
|
513 |
indexOfChild:aChild
|
|
514 |
|seq|
|
|
515 |
|
|
516 |
aChild notNil ifTrue:[
|
|
517 |
seq := self children.
|
|
518 |
seq isSequenceable ifTrue:[
|
|
519 |
^ seq findFirst:[:aChild| aChild == aChild ]
|
|
520 |
]
|
|
521 |
].
|
|
522 |
^ 0
|
359
|
523 |
! !
|
84
|
524 |
|
253
|
525 |
!HierarchyNode methodsFor:'queries'!
|
84
|
526 |
|
253
|
527 |
childrenHidden
|
|
528 |
"Answer true if my children shall be hidden
|
|
529 |
in hierachical printouts etc."
|
|
530 |
|
|
531 |
^hide.
|
|
532 |
|
|
533 |
"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
|
|
534 |
|
|
535 |
childrenShown
|
|
536 |
"Answer true if my children shall be shown
|
|
537 |
in hierachical printouts etc."
|
|
538 |
|
|
539 |
^hide not.
|
|
540 |
|
|
541 |
"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
|
|
542 |
|
|
543 |
hasChildren
|
|
544 |
|
|
545 |
^children size > 0.
|
|
546 |
|
|
547 |
"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
|
|
548 |
|
|
549 |
isCollapsable
|
|
550 |
"Answer true if I have shown children"
|
|
551 |
|
|
552 |
self hasChildren ifTrue: [ ^hide == false ].
|
|
553 |
^false.
|
|
554 |
|
|
555 |
"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
|
|
556 |
|
|
557 |
isExpandable
|
|
558 |
"Answer true if I have hidden children"
|
|
559 |
|
|
560 |
self hasChildren ifTrue: [ ^hide == true ].
|
|
561 |
^false.
|
|
562 |
|
|
563 |
"Modified: 10.10.94 / 16:13:33 / W.Olberding"! !
|
|
564 |
|
359
|
565 |
!HierarchyNode class methodsFor:'documentation'!
|
253
|
566 |
|
|
567 |
version
|
439
|
568 |
^ '$Header: /cvs/stx/stx/libwidg2/HierarchyNode.st,v 1.8 1997-07-01 13:21:03 ca Exp $'
|
253
|
569 |
! !
|