"

 COPYRIGHT (c) 1997 by eXept Software AG

              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.

"

"{ Package: 'stx:libtool2' }"

SelectionBrowser subclass:#FileSelectionBrowser

	instanceVariableNames:'selectedFileFilter directoryView listOfFileFilters directory'

	classVariableNames:''

	poolDictionaries:''

	category:'Interface-Dialogs'

!

!FileSelectionBrowser class methodsFor:'documentation'!

copyright

"

 COPYRIGHT (c) 1997 by eXept Software AG

              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

"

    The FileSelectionBrowser allows you to browse in file directories

    and to select files in order to load file contents or to save

    something to files.

    [start with:]

        FileSelectionBrowser open

    [author:]

        Thomas Zwick, eXept Software AG

"

! !

!FileSelectionBrowser class methodsFor:'instance creation'!

request: aTitle fileName: aFileName inDirectory: dir withFileFilters: fileFilters

    "ask for a file in some directory,

     using a fileFilter (list of mathcPatterns).

     Initial selection is aFileName.

     return the pathName or nil if canceled."

    ^self new

        title: aTitle;

        fileName: aFileName;

        directory: dir;

        listOfFileFilters: fileFilters;

        open

    "

     self 

         request: 'Select Your Profile File' 

         fileName: '.profile' 

         inDirectory: Filename homeDirectory 

         withFileFilters: #('.*')

    "

    "Modified: / 17.8.1998 / 10:15:50 / cg"

!

request:aTitle fileName:aFileName withFileFilters:fileFilters

    "ask for a file in some directory,

     using a fileFilter (list of mathcPatterns).

     Initial selection is aFileName.

     return the pathName or nil if canceled."

    ^ self new

        title: aTitle;

        fileName: aFileName;

        listOfFileFilters: fileFilters;

        open

    "

     self 

         request: 'Select Your Profile File' 

         fileName: '/etc/fstab' 

         withFileFilters: #('*')  

    "

    "Modified: / 17.8.1998 / 10:15:50 / cg"

!

request:aTitle inDirectory:aPath withFileFilters:fileFilters 

    "ask for a file in some directory,

     using a fileFilter (list of mathcPatterns)

     return the pathName or nil if canceled."

    ^ (self new)

        title:aTitle;

        directory:aPath;

        listOfFileFilters:fileFilters;

        open

    "

     self 

         request: 'Select A File' 

         inDirectory: '/etc' 

         withFileFilters: #('*.conf')

    "

    "Modified: / 17.8.1998 / 10:15:50 / cg"

!

request:aTitle pathName:aPath withFileFilters:fileFilters 

    "ask for a file in some directory,

     using a fileFilter (list of mathcPatterns)

     return the pathName or nil if canceled.

     Obsolete - for backward compatibility."

    ^ self

        request:aTitle inDirectory:aPath withFileFilters:fileFilters

    "

     self 

         request: 'Select A File' 

         pathName: '/etc' 

         withFileFilters: #('*.conf')

    "

    "Modified: / 17.8.1998 / 10:15:50 / cg"

!

request:aTitle withFileFilters:fileFilters 

    "ask for a file in the current directory,

     using a fileFilter (list of mathcPatterns)

     return the pathName or nil if canceled"

    ^ (self new)

        title:aTitle;

        listOfFileFilters:fileFilters;

        open

    "

     self request:'Select A File' withFileFilters:#('.*')

     self request:'Select A File' withFileFilters:#('*.mak;*.st')

    "

    "Modified: / 17.8.1998 / 10:15:49 / cg"

!

requestFileName

    "ask for a file in the current directory;

     return the pathName or nil if canceled"

    ^ self new 

        title:'Select A File';

        open

    "

     self requestFileName

    "

    "Modified: / 17.8.1998 / 10:15:48 / cg"

!

requestFileNameInDirectory:aPath

    "ask for a file in a directory;

     return the pathName or nil if canceled"

    ^ self new 

        title:'Select A File'; 

        directory:aPath; 

        open

    "

     self requestFileNameInDirectory:'/etc' 

    "

    "Modified: / 17.8.1998 / 10:15:48 / cg"

! !

!FileSelectionBrowser class methodsFor:'accessing'!

loadImageFileNameFilters

    ^ OrderedCollection 

        withAll: #(

                    '*.png ; *.gif ; *.bmp ; *.tif ; *.tiff ; *.xpm ; *.xbm ; *.jpeg ; *.jpg'

                    '*'

                  )

    "Modified: / 12.9.1998 / 17:23:42 / cg"

!

projectFileNameFilters

    ^Array withAll: #(

                      '*.st ; *.*o ; *.s ; *.c ; Make* ; *.project'

                      '*'

                     )

    "Modified: / 12.9.1998 / 17:23:22 / cg"

!

saveImageFileNameFilters

    ^ OrderedCollection 

        withAll: #(

                    '*.png ; *.gif ; *.bmp ; *.tif ; *.tiff ; *.xpm ; *.xbm'

                    '*'

                  )

    "Modified: / 12.9.1998 / 17:23:54 / cg"

! !

!FileSelectionBrowser class methodsFor:'interface specs'!

windowSpec

    "This resource specification was automatically generated

     by the UIPainter of ST/X."

    "Do not manually edit this!! If it is corrupted,

     the UIPainter may not be able to read the specification."

    "

     UIPainter new openOnClass:FileSelectionBrowser andSelector:#windowSpec

     FileSelectionBrowser new openInterface:#windowSpec

     FileSelectionBrowser open

    "

    <resource: #canvas>

    ^ 

     #(#FullSpec

        #name: #windowSpec

        #window: 

       #(#WindowSpec

          #label: 'File Selection Browser'

          #name: 'File Selection Browser'

          #min: #(#Point 10 10)

          #max: #(#Point 1152 900)

          #bounds: #(#Rectangle 18 51 618 401)

        )

        #component: 

       #(#SpecCollection

          #collection: #(

           #(#VariableHorizontalPanelSpec

              #name: 'panel'

              #layout: #(#LayoutFrame 0 0.0 0 0.0 0 1.0 -40 1.0)

              #component: 

             #(#SpecCollection

                #collection: #(

                 #(#ViewSpec

                    #name: 'view1'

                    #component: 

                   #(#SpecCollection

                      #collection: #(

                       #(#FileSelectionTreeSpec

                          #name: 'directoryTreeView'

                          #layout: #(#LayoutFrame 0 0.0 0 0.0 0 1.0 -25 1.0)

                          #model: #selectionOfDirectory

                          #menu: #treeMenu

                          #hasHorizontalScrollBar: true

                          #hasVerticalScrollBar: true

                          #miniScrollerHorizontal: true

                          #showDirectoryIndicatorForRoot: false

                          #showDirectoryIndicator: true

                          #valueChangeSelector: #readDirectory

                          #hierarchicalList: #rootOfDirectory

                          #highlightMode: #line

                          #itemClass: 'Directory'

                        )

                       #(#InputFieldSpec

                          #name: 'directoryInputField'

                          #layout: #(#LayoutFrame 2 0.0 -22 1 0 1.0 0 1)

                          #model: #selectionOfDirectory

                          #immediateAccept: false

                          #acceptOnPointerLeave: false

                        )

                       )

                    )

                  )

                 #(#ViewSpec

                    #name: 'view2'

                    #component: 

                   #(#SpecCollection

                      #collection: #(

                       #(#InputFieldSpec

                          #name: 'EditField'

                          #layout: #(#LayoutFrame 1 0.0 -22 1 -2 1.0 0 1)

                          #model: #valueOfFileName

                          #acceptOnReturn: false

                          #acceptOnTab: false

                          #acceptOnPointerLeave: false

                        )

                       #(#SubCanvasSpec

                          #name: 'subCanvas1'

                          #layout: #(#LayoutFrame 1 0.0 0 0.0 0 1.0 -25 1.0)

                          #clientHolder: #directoryView

                        )

                       )

                    )

                  )

                 )

              )

              #handles: #(#Any 0.5 1.0)

            )

           #(#UISubSpecification

              #name: 'SubSpecification'

              #layout: #(#LayoutFrame 2 0.0 -32 1 0 1.0 0 1.0)

              #majorKey: #ToolApplicationModel

              #minorKey: #windowSpecForCommitWithoutChannels

            )

           )

        )

      )

! !

!FileSelectionBrowser class methodsFor:'menu specs'!

treeMenu

    "This resource specification was automatically generated

     by the MenuEditor of ST/X."

    "Do not manually edit this!! If it is corrupted,

     the MenuEditor may not be able to read the specification."

    "

     MenuEditor new openOnClass:FileSelectionBrowser andSelector:#treeMenu

     (Menu new fromLiteralArrayEncoding:(FileSelectionBrowser treeMenu)) startUp

    "

    <resource: #menu>

    ^ 

     #(#Menu

        #(

         #(#MenuItem

            #label: 'Goto Home Directory'

            #translateLabel: true

            #value: #menuGotoHomeDirectory

          )

         #(#MenuItem

            #label: 'Goto Default Directory'

            #translateLabel: true

            #value: #menuGotoDefaultDirectory

          )

         #(#MenuItem

            #label: '-'

          )

         #(#MenuItem

            #label: 'Create directory...'

            #translateLabel: true

            #value: #menuCreateDirectory

          )

         #(#MenuItem

            #label: '-'

          )

         #(#MenuItem

            #label: 'Update'

            #translateLabel: true

            #value: #menuUpdate

          )

         )

        nil

        nil

      )

! !

!FileSelectionBrowser methodsFor:'accessing'!

directory: aDirectory

    directory := (aDirectory ? Filename currentDirectory) asFilename asAbsoluteFilename pathName

    "Modified: / 17.8.1998 / 10:15:53 / cg"

!

directoryView

    "return the directory view on the right side (a subcanvas)"

    ^directoryView ? (directoryView := DirectoryView new)

    "Modified: / 23.9.1998 / 16:46:50 / cg"

!

fileName: aFileName

    |prevDir|

    self valueOfFileName value: (aFileName ? '') asFilename baseName.

    prevDir := directory.

    directory := directory ? ((aFileName ? '') asFilename asAbsoluteFilename directoryName).

    "/ on systems with volumes, we might have to update the root here.

    (prevDir isNil

    or:[directory asFilename volume ~= prevDir asFilename volume]) ifTrue:[

        self setRootForFile:directory asFilename.

    ].

    "Modified: / 24.9.1998 / 23:41:08 / cg"

!

listOfFileFilters: anArray

    listOfFileFilters := anArray

! !

!FileSelectionBrowser methodsFor:'accessing-views'!

directoryInputField

    ^self componentAt: #directoryInputField

!

directoryTreeView

    ^self componentAt: #directoryTreeView

! !

!FileSelectionBrowser methodsFor:'aspects'!

rootOfDirectory

    |holder|

    (holder := builder bindingAt:#rootOfDirectory) isNil ifTrue:[

        builder 

            aspectAt:#rootOfDirectory 

            put: (holder :=  Filename rootDirectory name asValue).

    ].

    ^ holder

    "Modified: / 5.10.1998 / 12:46:10 / cg"

!

selectionOfDirectory

    |holder|

    (holder := builder bindingAt:#selectionOfDirectory) isNil ifTrue:[

        builder aspectAt:#selectionOfDirectory put: (holder := ValueHolder new)

    ].

    ^ holder

!

setRootForFile:aFilename

    |f root parent|

    f := aFilename asFilename.

    root := Filename rootDirectoryOnVolume:f volume.

    self directory:aFilename.

    "/ on some systems, the root itself is not readable,

    "/ but subdirs are (WIN32-network drives and VMS)

    "/ to avoid trouble in the treeView, search for the

    "/ last readable directory and fake that as the trees root.

    (root exists and:[root isDirectory and:[root isReadable]])

    ifFalse:[

        "/ search backward from aFilename for the last readable dir.

        root := f.

        parent := root directory.

        [parent ~= root

         and:[parent exists 

         and:[parent isDirectory 

         and:[parent isReadable]]]]

        whileTrue:[

            root := parent.

            parent := root directory.

        ].

    ].

    self rootOfDirectory value:root pathName

    "Created: / 23.9.1998 / 16:36:28 / cg"

    "Modified: / 5.10.1998 / 12:46:06 / cg"

!

valueOfFileName

    |holder|

    (holder := builder bindingAt:#valueOfFileName) isNil ifTrue:[

        builder aspectAt:#valueOfFileName put:(holder :=  ValueHolder new).

    ].

    ^ holder

! !

!FileSelectionBrowser methodsFor:'callbacks'!