FileSelectionBrowser.st
author Claus Gittinger <cg@exept.de>
Wed, 20 May 1998 02:29:34 +0200
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help texts & national strings
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 COPYRIGHT (c) 1997 by eXept Software AG
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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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SelectionBrowser subclass:#FileSelectionBrowser
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	instanceVariableNames:'selectedFileFilter directoryView listOfFileFilters directory'
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	classVariableNames:''
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	poolDictionaries:''
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	category:'Interface-Dialogs'
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!
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!FileSelectionBrowser class methodsFor:'documentation'!
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copyright
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 COPYRIGHT (c) 1997 by eXept Software AG
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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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    The FileSelectionBrowser allows you to browse in file directories
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    and to select files in order to load file contents or to save
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    something to files.
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    [start with:]
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        FileSelectionBrowser open
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    [author:]
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        Thomas Zwick, eXept Software AG
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"
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! !
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!FileSelectionBrowser class methodsFor:'instance creation'!
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request: aTitle fileName: aFileName inDirectory: dir withFileFilters: fileFilters
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    "
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    self 
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        request: 'Select Your Profile File' 
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        fileName: '.profile' 
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        inDirectory: Filename homeDirectory 
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        withFileFilters: #('.*')
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    "
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    ^self new
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        title: aTitle;
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        fileName: aFileName;
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        directory: dir;
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        listOfFileFilters: fileFilters;
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        open
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!
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request: aTitle fileName: aFileName withFileFilters: fileFilters
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    "
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    self 
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        request: 'Select Your Profile File' 
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        fileName: '/etc/fstab' 
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        withFileFilters: #('*')  
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    "
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    ^self new
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        title: aTitle;
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        fileName: aFileName;
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        listOfFileFilters: fileFilters;
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        open
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request: aTitle pathName: aPath withFileFilters: fileFilters
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    "
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    self request: 'Select A File' pathName: '/etc' fileFilters: #('*.conf')
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    "
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    ^self new
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        title: aTitle;
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        directory: aPath;
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        listOfFileFilters: fileFilters;
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        open
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request: aTitle withFileFilters: fileFilters
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    self request: 'Select A File' fileFilters: #('.*')
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    "
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    ^self new
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        title: aTitle;
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        listOfFileFilters: fileFilters;
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        open
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requestFileName
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    "
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    self requestFileName
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    ^self new title: 'Select A File'; open
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! !
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!FileSelectionBrowser class methodsFor:'accessing'!
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loadImageFileNameFilters
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    ^self saveImageFileNameFilters addAll: #('*.jpeg' '*.jpg'); yourself
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!
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projectFileNameFilters
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    ^Array withAll: #('*.st' '*.*o'  '*.s' '*.c' 'Make*' '*.project')
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!
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saveImageFileNameFilters
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    ^Array withAll: #('*.xpm' '*.xbm' '*.gif' '*.tif' '*.tiff' '*.bmp')
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! !
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!FileSelectionBrowser class methodsFor:'interface specs'!
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windowSpec
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    "This resource specification was automatically generated
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     by the UIPainter of ST/X."
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    "Do not manually edit this!! If it is corrupted,
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     the UIPainter may not be able to read the specification."
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    "
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     UIPainter new openOnClass:FileSelectionBrowser andSelector:#windowSpec
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     FileSelectionBrowser new openInterface:#windowSpec
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     FileSelectionBrowser open
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    "
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    <resource: #canvas>
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    ^
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       #(#FullSpec
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          #window: 
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           #(#WindowSpec
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              #name: 'File Selection Browser'
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              #layout: #(#LayoutFrame 379 0 259 0 978 0 608 0)
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              #label: 'File Selection Browser'
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              #min: #(#Point 10 10)
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              #max: #(#Point 1152 900)
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              #bounds: #(#Rectangle 379 259 979 609)
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              #usePreferredExtent: false
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          )
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          #component: 
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           #(#SpecCollection
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              #collection: 
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               #(
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                 #(#VariableHorizontalPanelSpec
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                    #name: 'panel'
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                    #layout: #(#LayoutFrame 0 0.0 0 0.0 0 1.0 -40 1.0)
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                    #component: 
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                     #(#SpecCollection
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                        #collection: 
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                         #(
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                           #(#ViewSpec
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                              #name: 'view1'
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                              #component: 
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                               #(#SpecCollection
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                                  #collection: 
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                                   #(
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                                     #(#FileSelectionTreeSpec
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                                        #name: 'directoryTreeView'
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                                        #layout: #(#LayoutFrame 0 0.0 0 0.0 0 1.0 -25 1.0)
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                                        #model: #selectionOfDirectory
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                                        #hasHorizontalScrollBar: true
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                                        #hasVerticalScrollBar: true
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                                        #miniScrollerHorizontal: true
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                                        #showDirectoryIndicatorForRoot: false
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                                        #showDirectoryIndicator: true
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                                        #valueChangeSelector: #readDirectory
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                                        #hierarchicalList: #rootOfDirectory
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                                        #itemClass: 'Directory'
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                                    )
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                                     #(#InputFieldSpec
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                                        #name: 'directoryInputField'
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                                        #layout: #(#LayoutFrame 2 0.0 -22 1 0 1.0 0 1)
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                                        #model: #selectionOfDirectory
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                                        #immediateAccept: false
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                                    )
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                                  )
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                              )
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                          )
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                           #(#ViewSpec
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                              #name: 'view2'
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                              #component: 
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                               #(#SpecCollection
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                                  #collection: 
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                                   #(
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                                     #(#InputFieldSpec
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                                        #name: 'EditField'
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                                        #layout: #(#LayoutFrame 1 0.0 -22 1 -2 1.0 0 1)
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                                        #model: #valueOfFileName
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                                        #acceptOnReturn: false
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                                        #acceptOnTab: false
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                                    )
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                                     #(#SubCanvasSpec
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                                        #name: 'subCanvas1'
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                                        #layout: #(#LayoutFrame 1 0.0 0 0.0 0 1.0 -25 1.0)
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                                        #clientHolder: #directoryView
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                                    )
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                                  )
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                              )
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                          )
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                        )
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                    )
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                    #handles: #(#Any 0.5 1.0)
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                )
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                 #(#UISubSpecification
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                    #name: 'SubSpecification'
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                    #layout: #(#LayoutFrame 2 0.0 -32 1 0 1.0 -8 1.0)
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                    #majorKey: #ToolApplicationModel
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                    #minorKey: #windowSpecForCommitWithoutChannels
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                )
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              )
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          )
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      )
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! !
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!FileSelectionBrowser methodsFor:'accessing'!
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directory: aDirectory
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    directory := (aDirectory ? Filename currentDirectory) asFilename asAbsoluteFilename name
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!
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directoryView
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    ^directoryView ? (directoryView := DirectoryView new)
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!
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fileName: aFileName
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    self valueOfFileName value: (aFileName ? '') asFilename baseName.
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    directory := directory ? ((aFileName ? '') asFilename directoryName).
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!
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listOfFileFilters: anArray
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    listOfFileFilters := anArray
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! !
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!FileSelectionBrowser methodsFor:'accessing - views'!
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directoryInputField
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    ^builder componentAt: #directoryInputField
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!
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directoryTreeView
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    ^builder componentAt: #directoryTreeView
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! !
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!FileSelectionBrowser methodsFor:'aspects'!
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rootOfDirectory
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    |holder|
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    (holder := builder bindingAt:#rootOfDirectory) isNil ifTrue:[
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        builder aspectAt:#rootOfDirectory put: (holder :=  Filename rootDirectory name asValue).
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    ].
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    ^ holder
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!
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selectionOfDirectory
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    |holder|
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    (holder := builder bindingAt:#selectionOfDirectory) isNil ifTrue:[
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        builder aspectAt:#selectionOfDirectory put: (holder := ValueHolder new)
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    ].
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    ^ holder
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!
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valueOfFileName
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    |holder|
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    (holder := builder bindingAt:#valueOfFileName) isNil ifTrue:[
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        builder aspectAt:#valueOfFileName put:(holder :=  ValueHolder new).
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    ].
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    ^ holder
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! !
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!FileSelectionBrowser methodsFor:'callbacks'!
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fileDoubleClicked: aFileName
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    self valueOfFileName value: aFileName.
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    accept value: true.
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    self close
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!
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readDirectory
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    self directoryTreeView selection notNil 
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    ifTrue: 
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    [
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        directoryView directory: self selectionOfDirectory value; readDirectory.  
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        self class lastSelection notNil ifTrue: [self class lastSelection: self selectionOfDirectory value]
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    ]
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! !
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!FileSelectionBrowser methodsFor:'startup / release'!
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closeCancel
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    directoryView release.
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    super closeCancel
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!
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closeRequest
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    directoryView release.
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    super closeRequest
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!
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open
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    super open.
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    accept value ifTrue:[
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        ^ (self selectionOfDirectory value ? '') asFilename 
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                constructString:(self valueOfFileName value ? '')
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    ].
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    ^ nil
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!
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postBuildWith:aBuilder
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    directoryView listOfFileFilters: listOfFileFilters ? #('*').
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    directoryView fileSelectAction: [:aFileName |self valueOfFileName value: aFileName asFilename baseName].
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    directoryView fileDoubleClickAction: [:aFileName |self fileDoubleClicked: aFileName asFilename baseName].
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    directoryView fileFilterSelectAction: [:fileFilter|
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    self valueOfFileName value: (
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        ((self valueOfFileName value ? 'unknown') readStream upTo: $.), '.',
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        (fileFilter copy reverse readStream upTo: $.) reverse)]. 
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    self directoryTreeView selectPathname: directory ? self class lastSelection ? Filename currentDirectory asAbsoluteFilename name.
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    self directoryInputField entryCompletionBlock: 
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    [:f|
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       |completedDirectory|
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       (completedDirectory := Filename 
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            filenameCompletionFor: self directoryInputField contents
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            directory:directory 
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            directoriesOnly:true 
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            filesOnly:false 
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            ifMultiple:
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            [:dir | 
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                self directoryTreeView selection notNil ifTrue: [
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                    self directoryTreeView selectedNodeExpand: true]
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            ]) asFilename exists
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        ifTrue:
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        [
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            self directoryInputField contents: completedDirectory.
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            self directoryTreeView selectPathname: completedDirectory.
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            self readDirectory
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   385
        ]
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        ifFalse: [self directoryInputField flash]
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    ].
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    directoryView selectionOfFile value: 
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        (directoryView listOfFiles detect: [:row| row baseName = self valueOfFileName value] ifNone: nil).
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    ^super postBuildWith:aBuilder
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! !
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!FileSelectionBrowser class methodsFor:'documentation'!
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version
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    ^ '$Header$'
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! !