| author | Claus Gittinger <cg@exept.de> |
| Tue, 21 Oct 1997 20:33:10 +0200 | |
| changeset 566 | 11ca5c6ba3d8 |
| parent 452 | 9ea2102124af |
| child 1192 | 6c182c8683ec |
| 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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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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||
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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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||
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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 |
|
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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||
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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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^ self basicNew 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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705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
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|newInst clsName| |
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705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
78 |
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705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
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aClass isNil ifTrue:[ |
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705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
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"/ nil subclasses requested |
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705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
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clsName := 'nil' |
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705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
82 |
] ifFalse:[ |
|
705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
83 |
"/ regular tree requested |
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705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
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clsName := aClass name |
|
705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
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]. |
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newInst := super new initialize. |
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447
705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
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newInst name:clsName. |
| 359 | 89 |
newInst contents:aClass. |
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newInst level:level. |
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| 438 | 91 |
newInst childCollectionClass:OrderedCollection. |
|
447
705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
92 |
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705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
93 |
aClass isNil ifTrue:[ |
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705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
94 |
((Smalltalk allClasses select:[:cls | cls superclass isNil]) |
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705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
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asSortedCollection:[:a :b | a name < b name]) |
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705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
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do:[:aSubClass | |
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705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
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newInst addChild:(self newAsTreeFromSmalltalkClass:aSubClass level:level+1). |
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705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
98 |
] |
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705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
99 |
] ifFalse:[ |
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705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
100 |
(aClass subclasses asSortedCollection:[:a :b | a name < b name]) |
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705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
101 |
do:[:aSubClass | |
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705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
102 |
newInst addChild:(self newAsTreeFromSmalltalkClass:aSubClass level:level+1). |
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705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
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] |
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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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447
705b618eb324
changed #newAsTreeFromSmalltalk to handle nil-superclass tree
Claus Gittinger <cg@exept.de>
parents:
442
diff
changeset
|
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"Modified: 3.7.1997 / 12:25:03 / 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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||
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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 | 284 |
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| 253 | 285 |
!HierarchyNode methodsFor:'constants'! |
| 84 | 286 |
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delimiter |
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"Answer the delimiter character" |
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^$/ |
| 84 | 291 |
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"Modified: 10.10.94 / 16:13:35 / W.Olberding"! |
| 84 | 293 |
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delimiterString |
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"Answer the delimiter character asString" |
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^self delimiter asString |
| 84 | 298 |
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| 253 | 299 |
"Modified: 10.10.94 / 16:13:35 / W.Olberding"! ! |
| 84 | 300 |
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| 439 | 301 |
!HierarchyNode methodsFor:'copy'! |
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copyWithParent:aParent |
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|node| |
| 439 | 305 |
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node := self copy. |
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node parent:aParent. |
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node level:((aParent level) + 1). |
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node children:(children collect:[:aChild| aChild copyWithParent:self]). |
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^ node |
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! ! |
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||
| 84 | 313 |
!HierarchyNode methodsFor:'hierarchy operations'! |
314 |
||
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addChild:anObjectOfMyKind |
| 253 | 316 |
"add anObjectOfMyKind to my children" |
317 |
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anObjectOfMyKind parent: self. |
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anObjectOfMyKind level: level +1. |
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self children add:anObjectOfMyKind. |
| 253 | 321 |
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| 359 | 322 |
"Modified: 10.10.1994 / 16:13:34 / W.Olberding" |
323 |
"Modified: 15.4.1997 / 16:49:17 / cg" |
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! |
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| 84 | 325 |
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| 253 | 326 |
addChildren: aCollectionWithElementsOfMyKind |
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"add aCollectionWithElementsOfMyKind to my children" |
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||
| 359 | 329 |
aCollectionWithElementsOfMyKind do:[:child | |
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child parent: self. |
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child level: level +1. |
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| 253 | 332 |
]. |
| 359 | 333 |
self children addAll:aCollectionWithElementsOfMyKind. |
| 84 | 334 |
|
| 359 | 335 |
"Modified: 10.10.1994 / 16:13:34 / W.Olberding" |
336 |
"Modified: 15.4.1997 / 16:49:03 / cg" |
|
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! |
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| 84 | 338 |
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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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||
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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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||
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"Modified: 10.10.94 / 16:13:34 / W.Olberding"! |
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||
| 253 | 350 |
allParents |
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"return all my parents (next first - root last)" |
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||
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parent isNil ifTrue: [ ^OrderedCollection new: 0 ] |
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ifFalse: [ ^parent, parent allParents ]. |
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||
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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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362 |
||
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"Modified: 10.10.94 / 16:13:34 / W.Olberding"! |
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364 |
||
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collapseAll |
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| 359 | 366 |
"Hide my children and all my grandchildren in hierachical printouts." |
| 253 | 367 |
|
| 359 | 368 |
hide := true. |
369 |
self children do: [:kid | kid collapseAll ]. |
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| 84 | 370 |
|
| 359 | 371 |
"Modified: 10.10.1994 / 16:13:34 / W.Olberding" |
372 |
"Modified: 15.4.1997 / 16:49:34 / cg" |
|
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! |
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| 84 | 374 |
|
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expand |
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"Show my immediate children in hierachical printouts." |
|
377 |
||
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hide := false. |
|
379 |
||
380 |
"Modified: 10.10.94 / 16:13:34 / W.Olberding"! |
|
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||
| 253 | 382 |
expandAll |
| 359 | 383 |
"Show my children and all grand children in hierachical printouts." |
| 253 | 384 |
|
| 359 | 385 |
hide := false. |
386 |
self children do: [:kid | kid expandAll ]. |
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| 253 | 387 |
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| 359 | 388 |
"Modified: 10.10.1994 / 16:13:34 / W.Olberding" |
389 |
"Modified: 15.4.1997 / 16:49:48 / cg" |
|
390 |
! |
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| 253 | 391 |
|
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parent |
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"return parent" |
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| 84 | 394 |
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| 253 | 395 |
^ parent |
396 |
||
397 |
"Modified: 10.10.94 / 16:13:34 / W.Olberding"! |
|
398 |
||
399 |
removeAllChildren |
|
400 |
"Remove all children of me from the tree, i.e. let them |
|
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forget myself as parent." |
|
402 |
||
| 359 | 403 |
| kids | |
| 84 | 404 |
|
| 359 | 405 |
kids := self allChildren. |
406 |
kids do: [:kid | kid parent: nil ]. |
|
| 435 | 407 |
children := childCollectionClass new. |
| 359 | 408 |
|
409 |
"Modified: 10.10.1994 / 16:13:34 / W.Olberding" |
|
410 |
"Modified: 15.4.1997 / 16:50:01 / cg" |
|
411 |
! |
|
| 84 | 412 |
|
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removeChild: anObjectOfMyKind |
|
| 359 | 414 |
"remove anObjectOfMyKind from my children" |
| 84 | 415 |
|
416 |
anObjectOfMyKind parent: nil. |
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| 359 | 417 |
children remove: anObjectOfMyKind. |
| 84 | 418 |
|
| 359 | 419 |
"Modified: 10.10.1994 / 16:13:34 / W.Olberding" |
420 |
"Modified: 15.4.1997 / 16:50:23 / cg" |
|
| 84 | 421 |
! |
422 |
||
423 |
removeYourself |
|
424 |
"remove me and all my children" |
|
425 |
||
426 |
parent isNil ifTrue: [^nil]. |
|
427 |
parent removeChild: self. |
|
428 |
||
| 359 | 429 |
"Modified: 10.10.1994 / 16:13:34 / W.Olberding" |
430 |
"Modified: 15.4.1997 / 16:52:33 / cg" |
|
431 |
! |
|
| 84 | 432 |
|
433 |
withAllChildren |
|
434 |
"Answer me, my immediate children and all my grandchildren |
|
435 |
-- in hierachical order and alphabeticaly sorted by name within one level." |
|
436 |
||
437 |
| kids | |
|
438 |
kids := OrderedCollection with: self . |
|
439 |
self addAllChildrenTo: kids. |
|
440 |
^kids. |
|
441 |
||
442 |
"Modified: 10.10.94 / 16:13:34 / W.Olberding"! |
|
443 |
||
| 253 | 444 |
withAllShownChildren |
445 |
"Answer me, my immediate children and all my grandchildren which are |
|
446 |
currently not hidden. |
|
447 |
-- in hierachical order and alphabeticaly sorted by name within one level." |
|
| 84 | 448 |
|
449 |
| kids | |
|
| 253 | 450 |
kids := OrderedCollection with: self . |
451 |
self addAllShownChildrenTo: kids. |
|
452 |
^kids. |
|
| 84 | 453 |
|
454 |
"Modified: 10.10.94 / 16:13:34 / W.Olberding"! ! |
|
455 |
||
| 442 | 456 |
!HierarchyNode methodsFor:'hierarchy sequencable operations'! |
457 |
||
458 |
addChildAndSubChildren:aHierarchyNode after:aChild |
|
459 |
"add aHierarchyNode to my children after an existing child or at end" |
|
460 |
||
461 |
|node index| |
|
462 |
||
463 |
node := aHierarchyNode copyWithParent:self. |
|
464 |
||
465 |
(index := self indexOfChild:aChild) == 0 ifTrue:[ |
|
466 |
self children add:node |
|
467 |
] ifFalse:[ |
|
468 |
self children add:node afterIndex:index |
|
469 |
]. |
|
470 |
! |
|
471 |
||
472 |
addChildAndSubChildren:aHierarchyNode at:anIndex |
|
473 |
"add aHierarchyNode to my children at an index or at end" |
|
474 |
||
475 |
|node cseq| |
|
476 |
||
477 |
node := aHierarchyNode copyWithParent:self. |
|
478 |
cseq := self children. |
|
479 |
||
480 |
(cseq isSequenceable and:[cseq size >= anIndex]) ifTrue:[ |
|
481 |
cseq add:node beforeIndex:anIndex |
|
482 |
] ifFalse:[ |
|
483 |
cseq add:node |
|
484 |
] |
|
485 |
! |
|
486 |
||
487 |
indexOfChild:aChild |
|
488 |
|seq| |
|
489 |
||
490 |
aChild notNil ifTrue:[ |
|
491 |
seq := self children. |
|
492 |
seq isSequenceable ifTrue:[ |
|
493 |
^ seq findFirst:[:c| c == aChild ] |
|
494 |
] |
|
495 |
]. |
|
496 |
^ 0 |
|
497 |
! ! |
|
498 |
||
| 84 | 499 |
!HierarchyNode methodsFor:'initialize-release'! |
500 |
||
501 |
initialize |
|
| 359 | 502 |
"init some defaults" |
| 84 | 503 |
|
504 |
" name |
|
| 359 | 505 |
id |
506 |
parent --" |
|
507 |
||
| 435 | 508 |
childCollectionClass := Set. |
| 359 | 509 |
children := Set new. |
510 |
||
| 84 | 511 |
" contents := Set new." |
512 |
||
| 359 | 513 |
disabled := false. |
514 |
hide := false. |
|
515 |
level := 0. "=root" |
|
516 |
||
517 |
"Modified: 10.10.1994 / 16:13:35 / W.Olberding" |
|
518 |
"Modified: 15.4.1997 / 16:50:44 / cg" |
|
519 |
! ! |
|
| 84 | 520 |
|
| 253 | 521 |
!HierarchyNode methodsFor:'private'! |
522 |
||
| 359 | 523 |
addAllChildrenTo:aCollection |
524 |
"Add all my children in hierachical and alphabetical order |
|
525 |
to aCollection." |
|
526 |
||
527 |
|myChildren| |
|
| 84 | 528 |
|
| 435 | 529 |
"/ myChildren := children asSortedCollection:[:x :y | x name < y name ]. |
530 |
myChildren := self children. |
|
| 359 | 531 |
myChildren do:[:aChild | |
532 |
aCollection addLast: aChild. |
|
533 |
aChild addAllChildrenTo:aCollection. |
|
534 |
]. |
|
| 84 | 535 |
|
| 359 | 536 |
"Modified: 10.10.1994 / 16:13:35 / W.Olberding" |
537 |
"Modified: 15.4.1997 / 16:47:53 / cg" |
|
538 |
! |
|
| 84 | 539 |
|
| 253 | 540 |
addAllShownChildrenTo: aCollection |
| 359 | 541 |
"Add all my children in hierachical and alphabetical order |
542 |
if they are not hidden." |
|
543 |
||
544 |
|myChildren| |
|
| 84 | 545 |
|
| 359 | 546 |
hide ifTrue: [^self]. |
| 435 | 547 |
"/ myChildren := self children asSortedCollection:[:x :y | x name < y name ]. |
548 |
myChildren := self children. |
|
| 359 | 549 |
myChildren do: [:aChild | |
550 |
aCollection addLast: aChild. |
|
551 |
aChild addAllShownChildrenTo: aCollection. |
|
552 |
]. |
|
| 84 | 553 |
|
| 359 | 554 |
"Modified: 10.10.1994 / 16:13:35 / W.Olberding" |
555 |
"Modified: 15.4.1997 / 16:53:08 / cg" |
|
556 |
! ! |
|
| 84 | 557 |
|
| 253 | 558 |
!HierarchyNode methodsFor:'queries'! |
| 84 | 559 |
|
| 253 | 560 |
childrenHidden |
561 |
"Answer true if my children shall be hidden |
|
562 |
in hierachical printouts etc." |
|
563 |
||
564 |
^hide. |
|
565 |
||
566 |
"Modified: 10.10.94 / 16:13:33 / W.Olberding"! |
|
567 |
||
568 |
childrenShown |
|
569 |
"Answer true if my children shall be shown |
|
570 |
in hierachical printouts etc." |
|
571 |
||
572 |
^hide not. |
|
573 |
||
574 |
"Modified: 10.10.94 / 16:13:33 / W.Olberding"! |
|
575 |
||
576 |
hasChildren |
|
577 |
||
578 |
^children size > 0. |
|
579 |
||
580 |
"Modified: 10.10.94 / 16:13:33 / W.Olberding"! |
|
581 |
||
582 |
isCollapsable |
|
583 |
"Answer true if I have shown children" |
|
584 |
||
585 |
self hasChildren ifTrue: [ ^hide == false ]. |
|
586 |
^false. |
|
587 |
||
588 |
"Modified: 10.10.94 / 16:13:33 / W.Olberding"! |
|
589 |
||
590 |
isExpandable |
|
591 |
"Answer true if I have hidden children" |
|
592 |
||
593 |
self hasChildren ifTrue: [ ^hide == true ]. |
|
594 |
^false. |
|
595 |
||
596 |
"Modified: 10.10.94 / 16:13:33 / W.Olberding"! ! |
|
597 |
||
| 359 | 598 |
!HierarchyNode class methodsFor:'documentation'! |
| 253 | 599 |
|
600 |
version |
|
| 566 | 601 |
^ '$Header: /cvs/stx/stx/libwidg2/HierarchyNode.st,v 1.12 1997-10-21 18:33:09 cg Exp $' |
| 253 | 602 |
! ! |