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"
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COPYRIGHT (c) 1990-93 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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ListSelectionBox subclass:#FileSelectionBox
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instanceVariableNames:'patternField directory timeStamp directoryId'
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classVariableNames:''
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poolDictionaries:''
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category:'Views-Interactors'
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!
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FileSelectionBox comment:'
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COPYRIGHT (c) 1990-93 by Claus Gittinger
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All Rights Reserved
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this class implements file selection boxes. They show a list of
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files, and perform an action block with the selected pathname as
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argument when ok is clicked.
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%W% %E%
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written Jan 90 by claus
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'!
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!FileSelectionBox methodsFor:'initialization'!
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initialize
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directory := FileDirectory currentDirectory.
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super initialize.
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"selections in list get forwarded to enterfield if not a directory;
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otherwise directory is changed"
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selectionList action:[:lineNr |
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|entry|
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entry := selectionList selectionValue.
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((directory typeOf:entry) == #directory) ifTrue:[
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self directory:(directory pathName , '/' , entry)
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] ifFalse:[
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enterField contents:entry
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]
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]
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"FileSelectionBox new show"
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!
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reinitialize
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directory := FileDirectory currentDirectory.
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super reinitialize
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! !
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!FileSelectionBox methodsFor:'accessing'!
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directory:nameOrDirectory
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"set the lists contents to the filenames in the directory name"
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|oldPath name|
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(nameOrDirectory isKindOf:String) ifTrue:[
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name := nameOrDirectory
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] ifFalse:[
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name := nameOrDirectory pathName
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].
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oldPath := directory pathName.
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directory pathName:name.
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(directory pathName = oldPath) ifFalse:[
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self updateList
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]
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! !
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!FileSelectionBox methodsFor:'private'!
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updateList
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"set the lists contents to the filenames in the directory"
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|oldCursor oldListCursor files|
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oldCursor := cursor.
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oldListCursor := selectionList cursor.
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self cursor:(Cursor read).
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selectionList cursor:(Cursor read).
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timeStamp := directory timeOfLastChange.
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directoryId := directory id.
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files := directory asText sort.
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((files at:1) = '.') ifTrue:[
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files removeIndex:1
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].
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self list:files.
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self cursor:oldCursor.
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selectionList cursor:oldListCursor
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! !
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!FileSelectionBox methodsFor:'events'!
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show
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"make the box visible; redefined to check if directory is still
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valid (using timestamp and inode numbers) - reread if not"
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(timeStamp isNil
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or:[(directory timeOfLastChange > timeStamp)
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or:[(directoryId isNil)
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or:[directoryId ~~ directory id]]]) ifTrue:[
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self updateList
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].
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super show
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! !
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!FileSelectionBox methodsFor:'user interaction'!
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okPressed
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"redefined, since action will be evaluated with full path as argument
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(instead of enterfields contents only as inherited by EnterBox"
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self hideAndEvaluate:[:string |
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okAction notNil ifTrue:[
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okAction value:(directory pathName , '/' , string)
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]
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]
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! !
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