"
COPYRIGHT (c) 1995 by Claus Gittinger
All Rights Reserved
This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice. This software may not
be provided or otherwise made available to, or used by, any
other person. No title to or ownership of the software is
hereby transferred.
"
SelectionInList subclass:#MultiSelectionInList
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'Interface-Support-Models'
!
!MultiSelectionInList class methodsFor:'documentation'!
copyright
"
COPYRIGHT (c) 1995 by Claus Gittinger
All Rights Reserved
This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice. This software may not
be provided or otherwise made available to, or used by, any
other person. No title to or ownership of the software is
hereby transferred.
"
!
documentation
"
Like a selectionInList, but allows for multiple selected items.
For use as a model for SelectionInListViews, with multipleSelectOk set to true.
[author:]
Claus Gittinger
"
! !
!MultiSelectionInList methodsFor:'accessing-values'!
selection
"return the selections value (i.e. the entry numbers in the list)"
|l|
l := self list.
l isNil ifTrue:[^ self zeroIndex]. "/ mhmh - no list; what should we do here ?
^ selectionIndexHolder value
collect:[:index |
l at:index
]
"Created: 26.10.1995 / 16:52:27 / cg"
"Modified: 20.4.1996 / 13:14:29 / cg"
!
selection:anObjectList
"set the selection to be anObjectList."
|l indizes|
"/
"/ for your convenience: allow 0 and nil as empty
"/ selections
"/
(anObjectList isNil or:[anObjectList == 0]) ifTrue:[
^ self selectionIndex:#()
].
l := self list.
l isNil ifTrue:[^ self]. "/ mhmh - no list; what should we do here ?
indizes := OrderedCollection new.
anObjectList do:[:o |
|idx|
idx := l indexOf:o ifAbsent:0.
idx ~~ 0 ifTrue:[
indizes add:idx
].
].
^ self selectionIndex:indizes
"Created: 26.10.1995 / 16:40:24 / cg"
"Modified: 25.4.1996 / 09:07:44 / cg"
! !
!MultiSelectionInList methodsFor:'queries'!
zeroIndex
"return the selectionIndex returned when nothing is selected.
Here, an empty collection is returned."
^ Array new
"Modified: 20.4.1996 / 13:12:58 / cg"
! !
!MultiSelectionInList methodsFor:'selections'!
selections
"obsolete - almost the same as selection"
|selectionIndices|
self obsoleteMethodWarning.
selectionIndices := selectionIndexHolder value.
(selectionIndices isNil
or:[selectionIndices == 0
or:[selectionIndices isEmpty]]) ifFalse:[
^ selectionIndices collect:[:index | listHolder value at:index]
].
^ Array new
"Modified: 25.4.1996 / 09:09:45 / cg"
! !
!MultiSelectionInList class methodsFor:'documentation'!
version
^ '$Header: /cvs/stx/stx/libwidg/MultiSelectionInList.st,v 1.12 1996-04-25 16:43:12 cg Exp $'
! !