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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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84
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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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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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!
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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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84
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"
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118
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! !
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359
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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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aClass subclasses 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: 15.4.1997 / 16:34:52 / 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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253
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359
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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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84
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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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239 |
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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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n := self delimiterString , name.
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parent isNil ifTrue: [^ n].
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^ parent pathName , n.
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"Modified: 10.10.1994 / 16:13:33 / W.Olberding"
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"Modified: 15.4.1997 / 16:52:02 / cg"
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! !
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84
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!HierarchyNode methodsFor:'constants'!
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84
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253
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delimiter
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"Answer the delimiter character"
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^$/
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84
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253
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"Modified: 10.10.94 / 16:13:35 / W.Olberding"!
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delimiterString
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"Answer the delimiter character asString"
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^self delimiter asString
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84
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"Modified: 10.10.94 / 16:13:35 / W.Olberding"! !
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84
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!HierarchyNode methodsFor:'hierarchy operations'!
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addChild:anObjectOfMyKind
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"add anObjectOfMyKind to my children"
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anObjectOfMyKind parent: self.
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anObjectOfMyKind level: level +1.
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self children add:anObjectOfMyKind.
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359
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"Modified: 10.10.1994 / 16:13:34 / W.Olberding"
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"Modified: 15.4.1997 / 16:49:17 / cg"
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!
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84
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addChildren: aCollectionWithElementsOfMyKind
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"add aCollectionWithElementsOfMyKind to my children"
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359
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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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self children addAll:aCollectionWithElementsOfMyKind.
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359
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"Modified: 10.10.1994 / 16:13:34 / W.Olberding"
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306 |
"Modified: 15.4.1997 / 16:49:03 / cg"
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307 |
!
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84
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308 |
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allChildren
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"Answer my immediate children plus all my grandchildren
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-- in hierachical order and alphabeticaly sorted by name within one level."
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312 |
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| kids |
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kids := OrderedCollection new.
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self addAllChildrenTo: kids.
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^kids.
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317 |
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318 |
"Modified: 10.10.94 / 16:13:34 / W.Olberding"!
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319 |
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allParents
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"return all my parents (next first - root last)"
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322 |
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parent isNil ifTrue: [ ^OrderedCollection new: 0 ]
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324 |
ifFalse: [ ^parent, parent allParents ].
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325 |
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326 |
"Modified: 10.10.94 / 16:13:34 / W.Olberding"!
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327 |
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328 |
collapse
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329 |
"Hide my children in hierachical printouts."
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330 |
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hide := true
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332 |
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333 |
"Modified: 10.10.94 / 16:13:34 / W.Olberding"!
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334 |
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collapseAll
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359
|
336 |
"Hide my children and all my grandchildren in hierachical printouts."
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253
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359
|
338 |
hide := true.
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339 |
self children do: [:kid | kid collapseAll ].
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84
|
340 |
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359
|
341 |
"Modified: 10.10.1994 / 16:13:34 / W.Olberding"
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342 |
"Modified: 15.4.1997 / 16:49:34 / cg"
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343 |
!
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84
|
344 |
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345 |
expand
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346 |
"Show my immediate children in hierachical printouts."
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347 |
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348 |
hide := false.
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349 |
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350 |
"Modified: 10.10.94 / 16:13:34 / W.Olberding"!
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351 |
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253
|
352 |
expandAll
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359
|
353 |
"Show my children and all grand children in hierachical printouts."
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253
|
354 |
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359
|
355 |
hide := false.
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|
356 |
self children do: [:kid | kid expandAll ].
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253
|
357 |
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359
|
358 |
"Modified: 10.10.1994 / 16:13:34 / W.Olberding"
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359 |
"Modified: 15.4.1997 / 16:49:48 / cg"
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360 |
!
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253
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parent
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363 |
"return parent"
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84
|
364 |
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253
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365 |
^ parent
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366 |
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367 |
"Modified: 10.10.94 / 16:13:34 / W.Olberding"!
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368 |
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369 |
removeAllChildren
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370 |
"Remove all children of me from the tree, i.e. let them
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371 |
forget myself as parent."
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372 |
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359
|
373 |
| kids |
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84
|
374 |
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359
|
375 |
kids := self allChildren.
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|
376 |
kids do: [:kid | kid parent: nil ].
|
|
435
|
377 |
children := childCollectionClass new.
|
|
359
|
378 |
|
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379 |
"Modified: 10.10.1994 / 16:13:34 / W.Olberding"
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|
380 |
"Modified: 15.4.1997 / 16:50:01 / cg"
|
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381 |
!
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84
|
382 |
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383 |
removeChild: anObjectOfMyKind
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|
359
|
384 |
"remove anObjectOfMyKind from my children"
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84
|
385 |
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386 |
anObjectOfMyKind parent: nil.
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387 |
children rehash.
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359
|
388 |
children remove: anObjectOfMyKind.
|
|
84
|
389 |
|
|
359
|
390 |
"Modified: 10.10.1994 / 16:13:34 / W.Olberding"
|
|
|
391 |
"Modified: 15.4.1997 / 16:50:23 / cg"
|
|
84
|
392 |
!
|
|
|
393 |
|
|
|
394 |
removeYourself
|
|
|
395 |
"remove me and all my children"
|
|
|
396 |
|
|
|
397 |
parent isNil ifTrue: [^nil].
|
|
|
398 |
parent removeChild: self.
|
|
|
399 |
|
|
359
|
400 |
"Modified: 10.10.1994 / 16:13:34 / W.Olberding"
|
|
|
401 |
"Modified: 15.4.1997 / 16:52:33 / cg"
|
|
|
402 |
!
|
|
84
|
403 |
|
|
|
404 |
withAllChildren
|
|
|
405 |
"Answer me, my immediate children and all my grandchildren
|
|
|
406 |
-- in hierachical order and alphabeticaly sorted by name within one level."
|
|
|
407 |
|
|
|
408 |
| kids |
|
|
|
409 |
kids := OrderedCollection with: self .
|
|
|
410 |
self addAllChildrenTo: kids.
|
|
|
411 |
^kids.
|
|
|
412 |
|
|
|
413 |
"Modified: 10.10.94 / 16:13:34 / W.Olberding"!
|
|
|
414 |
|
|
253
|
415 |
withAllShownChildren
|
|
|
416 |
"Answer me, my immediate children and all my grandchildren which are
|
|
|
417 |
currently not hidden.
|
|
|
418 |
-- in hierachical order and alphabeticaly sorted by name within one level."
|
|
84
|
419 |
|
|
|
420 |
| kids |
|
|
253
|
421 |
kids := OrderedCollection with: self .
|
|
|
422 |
self addAllShownChildrenTo: kids.
|
|
|
423 |
^kids.
|
|
84
|
424 |
|
|
|
425 |
"Modified: 10.10.94 / 16:13:34 / W.Olberding"! !
|
|
|
426 |
|
|
|
427 |
!HierarchyNode methodsFor:'initialize-release'!
|
|
|
428 |
|
|
|
429 |
initialize
|
|
359
|
430 |
"init some defaults"
|
|
84
|
431 |
|
|
|
432 |
" name
|
|
359
|
433 |
id
|
|
|
434 |
parent --"
|
|
|
435 |
|
|
435
|
436 |
childCollectionClass := Set.
|
|
359
|
437 |
children := Set new.
|
|
|
438 |
|
|
84
|
439 |
" contents := Set new."
|
|
|
440 |
|
|
359
|
441 |
disabled := false.
|
|
|
442 |
hide := false.
|
|
|
443 |
level := 0. "=root"
|
|
|
444 |
|
|
|
445 |
"Modified: 10.10.1994 / 16:13:35 / W.Olberding"
|
|
|
446 |
"Modified: 15.4.1997 / 16:50:44 / cg"
|
|
|
447 |
! !
|
|
84
|
448 |
|
|
253
|
449 |
!HierarchyNode methodsFor:'private'!
|
|
|
450 |
|
|
359
|
451 |
addAllChildrenTo:aCollection
|
|
|
452 |
"Add all my children in hierachical and alphabetical order
|
|
|
453 |
to aCollection."
|
|
|
454 |
|
|
|
455 |
|myChildren|
|
|
84
|
456 |
|
|
435
|
457 |
"/ myChildren := children asSortedCollection:[:x :y | x name < y name ].
|
|
|
458 |
myChildren := self children.
|
|
359
|
459 |
myChildren do:[:aChild |
|
|
|
460 |
aCollection addLast: aChild.
|
|
|
461 |
aChild addAllChildrenTo:aCollection.
|
|
|
462 |
].
|
|
84
|
463 |
|
|
359
|
464 |
"Modified: 10.10.1994 / 16:13:35 / W.Olberding"
|
|
|
465 |
"Modified: 15.4.1997 / 16:47:53 / cg"
|
|
|
466 |
!
|
|
84
|
467 |
|
|
253
|
468 |
addAllShownChildrenTo: aCollection
|
|
359
|
469 |
"Add all my children in hierachical and alphabetical order
|
|
|
470 |
if they are not hidden."
|
|
|
471 |
|
|
|
472 |
|myChildren|
|
|
84
|
473 |
|
|
359
|
474 |
hide ifTrue: [^self].
|
|
435
|
475 |
"/ myChildren := self children asSortedCollection:[:x :y | x name < y name ].
|
|
|
476 |
myChildren := self children.
|
|
359
|
477 |
myChildren do: [:aChild |
|
|
|
478 |
aCollection addLast: aChild.
|
|
|
479 |
aChild addAllShownChildrenTo: aCollection.
|
|
|
480 |
].
|
|
84
|
481 |
|
|
359
|
482 |
"Modified: 10.10.1994 / 16:13:35 / W.Olberding"
|
|
|
483 |
"Modified: 15.4.1997 / 16:53:08 / cg"
|
|
|
484 |
! !
|
|
84
|
485 |
|
|
253
|
486 |
!HierarchyNode methodsFor:'queries'!
|
|
84
|
487 |
|
|
253
|
488 |
childrenHidden
|
|
|
489 |
"Answer true if my children shall be hidden
|
|
|
490 |
in hierachical printouts etc."
|
|
|
491 |
|
|
|
492 |
^hide.
|
|
|
493 |
|
|
|
494 |
"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
|
|
|
495 |
|
|
|
496 |
childrenShown
|
|
|
497 |
"Answer true if my children shall be shown
|
|
|
498 |
in hierachical printouts etc."
|
|
|
499 |
|
|
|
500 |
^hide not.
|
|
|
501 |
|
|
|
502 |
"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
|
|
|
503 |
|
|
|
504 |
hasChildren
|
|
|
505 |
|
|
|
506 |
^children size > 0.
|
|
|
507 |
|
|
|
508 |
"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
|
|
|
509 |
|
|
|
510 |
isCollapsable
|
|
|
511 |
"Answer true if I have shown children"
|
|
|
512 |
|
|
|
513 |
self hasChildren ifTrue: [ ^hide == false ].
|
|
|
514 |
^false.
|
|
|
515 |
|
|
|
516 |
"Modified: 10.10.94 / 16:13:33 / W.Olberding"!
|
|
|
517 |
|
|
|
518 |
isExpandable
|
|
|
519 |
"Answer true if I have hidden children"
|
|
|
520 |
|
|
|
521 |
self hasChildren ifTrue: [ ^hide == true ].
|
|
|
522 |
^false.
|
|
|
523 |
|
|
|
524 |
"Modified: 10.10.94 / 16:13:33 / W.Olberding"! !
|
|
|
525 |
|
|
359
|
526 |
!HierarchyNode class methodsFor:'documentation'!
|
|
253
|
527 |
|
|
|
528 |
version
|
|
435
|
529 |
^ '$Header: /cvs/stx/stx/libwidg2/HierarchyNode.st,v 1.6 1997-06-30 11:00:13 ca Exp $'
|
|
253
|
530 |
! !
|