| author | Claus Gittinger <cg@exept.de> |
| Sat, 11 Nov 1995 17:30:31 +0100 | |
| changeset 86 | 4d7dbb5f1719 |
| parent 84 | 4478ea2d40c2 |
| child 118 | 2821a094ba30 |
| permissions | -rw-r--r-- |
| 84 | 1 |
" |
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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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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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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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version |
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86
4d7dbb5f1719
uff - version methods changed to return stings
Claus Gittinger <cg@exept.de>
parents:
84
diff
changeset
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^ '$Header: /cvs/stx/stx/libwidg2/HierarchyNode.st,v 1.2 1995-11-11 16:29:00 cg Exp $' |
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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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" |
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! |
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!HierarchyNode class methodsFor:'instance creation'! |
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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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|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: aClass allSuperclasses size. |
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aClass subclasses do: [ :aSubClass | |
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newInst addChild: (self newAsTreeFromSmalltalkClass: aSubClass). |
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]. |
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^newInst |
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! |
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newWithName: aString |
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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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! |
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new |
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^super new initialize |
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! |
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newWithName: aString andId: anId |
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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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! ! |
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!HierarchyNode methodsFor:'accessing'! |
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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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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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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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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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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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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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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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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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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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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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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: 10.10.94 / 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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pathName |
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"return a full path name to me" |
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parent isNil ifTrue: [^ (self delimiterString), name]. |
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^parent pathName, (self delimiterString), name. |
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"Modified: 10.10.94 / 16:13:33 / W.Olberding"! ! |
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!HierarchyNode methodsFor:'queries'! |
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hasChildren |
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^children size > 0. |
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"Modified: 10.10.94 / 16:13:33 / W.Olberding"! |
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isExpandable |
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"Answer true if I have hidden children" |
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self hasChildren ifTrue: [ ^hide == true ]. |
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^false. |
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"Modified: 10.10.94 / 16:13:33 / W.Olberding"! |
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isCollapsable |
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"Answer true if I have shown children" |
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self hasChildren ifTrue: [ ^hide == false ]. |
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^false. |
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"Modified: 10.10.94 / 16:13:33 / W.Olberding"! |
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childrenHidden |
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"Answer true if my children shall be hidden |
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in hierachical printouts etc." |
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^hide. |
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"Modified: 10.10.94 / 16:13:33 / W.Olberding"! |
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childrenShown |
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"Answer true if my children shall be shown |
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in hierachical printouts etc." |
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^hide not. |
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"Modified: 10.10.94 / 16:13:33 / W.Olberding"! ! |
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!HierarchyNode methodsFor:'hierarchy operations'! |
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withAllShownChildren |
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"Answer me, my immediate children and all my grandchildren which are |
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currently not hidden. |
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-- in hierachical order and alphabeticaly sorted by name within one level." |
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| kids | |
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kids := OrderedCollection with: self . |
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self addAllShownChildrenTo: kids. |
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^kids. |
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"Modified: 10.10.94 / 16:13:34 / W.Olberding"! |
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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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| kids | |
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kids := OrderedCollection new. |
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self addAllChildrenTo: kids. |
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^kids. |
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"Modified: 10.10.94 / 16:13:34 / W.Olberding"! |
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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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children add: anObjectOfMyKind. |
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"Modified: 10.10.94 / 16:13:34 / W.Olberding"! |
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expand |
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"Show my immediate children in hierachical printouts." |
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hide := false. |
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"Modified: 10.10.94 / 16:13:34 / W.Olberding"! |
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collapse |
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"Hide my children in hierachical printouts." |
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hide := true |
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"Modified: 10.10.94 / 16:13:34 / W.Olberding"! |
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removeChild: anObjectOfMyKind |
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"remove anObjectOfMyKind from my children" |
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anObjectOfMyKind parent: nil. |
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children rehash. |
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children remove: anObjectOfMyKind. |
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"Modified: 10.10.94 / 16:13:34 / W.Olberding" |
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! |
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removeYourself |
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"remove me and all my children" |
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parent isNil ifTrue: [^nil]. |
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parent removeChild: self. |
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"Modified: 10.10.94 / 16:13:34 / W.Olberding"! |
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withAllChildren |
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"Answer me, my immediate children and all my grandchildren |
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-- in hierachical order and alphabeticaly sorted by name within one level." |
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| kids | |
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kids := OrderedCollection with: self . |
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self addAllChildrenTo: kids. |
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^kids. |
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"Modified: 10.10.94 / 16:13:34 / W.Olberding"! |
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parent |
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"return parent" |
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^ parent |
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"Modified: 10.10.94 / 16:13:34 / W.Olberding"! |
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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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addChildren: aCollectionWithElementsOfMyKind |
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"add aCollectionWithElementsOfMyKind to 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 addAll: aCollectionWithElementsOfMyKind. |
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"Modified: 10.10.94 / 16:13:34 / W.Olberding"! |
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allParents |
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"return all my parents (next first - root last)" |
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parent isNil ifTrue: [ ^OrderedCollection new: 0 ] |
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ifFalse: [ ^parent, parent allParents ]. |
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"Modified: 10.10.94 / 16:13:34 / W.Olberding"! |
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expandAll |
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"Show my children and all grand children in hierachical printouts." |
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hide := false. |
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children do: [ :kid | kid expandAll ]. |
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"Modified: 10.10.94 / 16:13:34 / W.Olberding"! |
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collapseAll |
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"Hide my children and all my grandchildren in hierachical printouts." |
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hide := true. |
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children do: [ :kid | kid collapseAll ]. |
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"Modified: 10.10.94 / 16:13:34 / W.Olberding"! |
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removeAllChildren |
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"Remove all children of me from the tree, i.e. let them |
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forget myself as parent." |
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| kids | |
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kids := self allChildren. |
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kids do: [:kid | kid parent: nil ]. |
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children := Set new. |
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"Modified: 10.10.94 / 16:13:34 / W.Olberding"! ! |
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!HierarchyNode methodsFor:'private'! |
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addAllShownChildrenTo: aCollection |
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"Add all my children in hierachical and alphabetical order |
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if they are not hidden." |
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|myChildren| |
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hide ifTrue: [^self]. |
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myChildren := children asSortedCollection: |
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[:x :y | x name < y name ]. |
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myChildren do: [:aChild | |
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aCollection addLast: aChild. |
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aChild addAllShownChildrenTo: aCollection. |
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]. |
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"Modified: 10.10.94 / 16:13:35 / W.Olberding"! |
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addAllChildrenTo: aCollection |
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"Add all my children in hierachical and alphabetical order." |
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|myChildren| |
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myChildren := children asSortedCollection: |
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[:x :y | x name < y name ]. |
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myChildren do: [:aChild | |
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aCollection addLast: aChild. |
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aChild addAllChildrenTo: aCollection. |
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]. |
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"Modified: 10.10.94 / 16:13:35 / W.Olberding"! ! |
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!HierarchyNode methodsFor:'initialize-release'! |
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initialize |
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"init some defaults" |
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" name |
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id |
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parent --" |
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children := Set new. |
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" contents := Set new." |
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disabled := false. |
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hide := false. |
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level := 0. "=root" |
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"Modified: 10.10.94 / 16:13:35 / W.Olberding"! ! |
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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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"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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"Modified: 10.10.94 / 16:13:35 / W.Olberding"! ! |
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