"

 COPYRIGHT (c) 2007 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:libwidg2' }"

SimpleView subclass:#FilenameWidgetWithHistory

	instanceVariableNames:'fileNameEntryField browseButton history directoriesOnly filesOnly

		dialogTitle initialDirectoryHolder'

	classVariableNames:''

	poolDictionaries:''

	category:'Views-Interactors'

!

!FilenameWidgetWithHistory class methodsFor:'documentation'!

copyright

"

 COPYRIGHT (c) 2007 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

"

    A Filename InputField with history-list and a browse-button, which opens a file dialog.

    [author:]

        Claus Gittinger

    [see also:]

        ComboBoxView

        FilenameEditField

        FilenameComboBoxView

"

!

examples

"

                                                                        [exBegin]

     |top b|

     top := StandardSystemView new.

     top extent:(300 @ 200).

     b := FilenameWidgetWithHistory in:top.

     b origin:(0.0 @ 0.0) corner:(1.0 @ 0.0).

     b bottomInset:(b preferredExtent y negated).

     top open.

                                                                        [exEnd]

"

! !

!FilenameWidgetWithHistory methodsFor:'accessing'!

acceptOnExpand:aBoolean

    fileNameEntryField acceptOnExpand:aBoolean

    "Created: / 20-10-2010 / 17:49:54 / cg"

!

contents

    ^ fileNameEntryField contents

    "Created: / 20-10-2010 / 17:51:07 / cg"

!

dialogTitle:something

    "set the dialogs title"

    dialogTitle := something.

!

directoriesOnly:aBoolean

    "if true, directories are selectable only.

     If both filesOnly and directoriesOnly are false, which is the default, 

     anything is selectable."

    directoriesOnly := aBoolean.

    directoriesOnly ifTrue:[

        filesOnly := false.

    ].

    fileNameEntryField notNil ifTrue:[

        fileNameEntryField directoriesOnly:aBoolean

    ].

!

filesOnly:aBoolean

    "if true, files are selectable only.

     If both filesOnly and directoriesOnly are false, which is the default, 

     anything is selectable."

    filesOnly := aBoolean.

    filesOnly ifTrue:[

        directoriesOnly := false.

    ].

    fileNameEntryField notNil ifTrue:[

        fileNameEntryField filesOnly:aBoolean

    ].

!

historyList

    history isNil ifTrue:[

        history := nil asValue

    ].

    ^ history

!

historyList:aList

    "set the history - useful when two or more such fields shall share a common history"

    history := aList

!

initialDirectoryHolder

    "can be used to force the file-dialog into some initial directory"

    ^ initialDirectoryHolder

!

model

    ^ fileNameEntryField model

!

model:aFilenameHolder

    fileNameEntryField model:aFilenameHolder.

!

selectAllInitially

    fileNameEntryField selectAllInitially

    "Created: / 20-10-2010 / 17:50:23 / cg"

! !

!FilenameWidgetWithHistory methodsFor:'accessing-channels'!

enableChannel:aValueHolder

    fileNameEntryField enableChannel:aValueHolder.

    browseButton enableChannel:aValueHolder.

! !

!FilenameWidgetWithHistory methodsFor:'accessing-editField attributes'!

acceptIfUnchanged:aBoolean

    fileNameEntryField acceptIfUnchanged:aBoolean

!

acceptOnLeave:aBoolean

    fileNameEntryField acceptOnLeave:aBoolean

!

acceptOnLostFocus:aBoolean

    fileNameEntryField acceptOnLostFocus:aBoolean

!

acceptOnPointerLeave:aBoolean

    fileNameEntryField acceptOnPointerLeave:aBoolean

!

acceptOnReturn:aBoolean

    fileNameEntryField acceptOnReturn:aBoolean

!

acceptOnTab:aBoolean

    fileNameEntryField acceptOnTab:aBoolean

!

contents:aString

    fileNameEntryField contents:aString

!

immediateAccept:aBoolean

    fileNameEntryField immediateAccept:aBoolean

!

maxChars:aBoolean

    fileNameEntryField maxChars:aBoolean

!

readOnly:aBoolean

    fileNameEntryField readOnly:aBoolean

! !

!FilenameWidgetWithHistory methodsFor:'initialization'!

initialize

    super initialize.

    directoriesOnly := filesOnly := false.

    initialDirectoryHolder := nil asValue.

    self initializeFilenameField.

    fileNameEntryField layout:(LayoutFrame

                                  leftFraction:0 offset:0 

                                  rightFraction:1 offset:-22 

                                  topFraction:0 offset:0 

                                  bottomFraction:1 offset:0).

    browseButton := Button in:self.

    browseButton label:'...'.

    browseButton action:[ self browseForFileOrDirectory ].

    browseButton layout:(LayoutFrame

                                  leftFraction:1 offset:-22 

                                  rightFraction:1 offset:-2 

                                  topFraction:0 offset:0 

                                  bottomFraction:1 offset:0).

    "Modified: / 19-10-2010 / 16:21:17 / cg"

!

initializeFilenameField

    fileNameEntryField := FilenameComboBoxView in:self.

    fileNameEntryField listHolder:(self historyList).

    "Created: / 19-10-2010 / 16:20:09 / cg"

! !

!FilenameWidgetWithHistory methodsFor:'queries'!

preferredExtent

    "/ If I have an explicit preferredExtent..

    explicitExtent notNil ifTrue:[

        ^ explicitExtent

    ].

    "/ If I have a cached preferredExtent value..

    preferredExtent notNil ifTrue:[

        ^ preferredExtent

    ].

    preferredExtent := (fileNameEntryField preferredWidth + browseButton preferredWidth)

                       @

                       (fileNameEntryField preferredHeight "max: browseButton preferredExtent y").

    ^ preferredExtent

! !

!FilenameWidgetWithHistory methodsFor:'user actions'!

browseForDestinationDirectory

    <resource: #obsolete>

    self obsoleteMethodWarning.

    self browseForFileOrDirectory

!

browseForFileOrDirectory

    |path |

    Dialog aboutToOpenBoxNotificationSignal handle:[:ex |

        |dialog|

        dialog := ex parameter.

        dialog perform:#browseVisibleHolder with:true ifNotUnderstood:[].

        ex proceed.

    ] do:[

        |title defaultPath defaultDir|

        title := dialogTitle notNil 

                    ifTrue:[ dialogTitle ]

                    ifFalse:[ 

                        directoriesOnly 

                            ifTrue:[ resources string:'Select Directory' ]

                            ifFalse:[ 

                                filesOnly

                                    ifTrue:[ resources string:'Select File' ]

                                    ifFalse:[ resources string:'Select Path' ]]].

        defaultPath := (self model notNil)

                            ifTrue:[ self model value ]

                            ifFalse:[ fileNameEntryField contents ].

        defaultPath notNil ifTrue:[

            defaultDir := defaultPath asFilename directory.

        ] ifFalse:[     

            defaultDir := initialDirectoryHolder value.

        ].

        path := Dialog 

    ].

    path isEmptyOrNil ifTrue:[ ^ self ].

    path := path asFilename.

    initialDirectoryHolder value:path directory.

    path := path pathName.

    "/ lastDirectoryHolder value:path directory.

    self model notNil ifTrue:[

        self model value:path.

    ].

    fileNameEntryField contents:path.

! !

!FilenameWidgetWithHistory class methodsFor:'documentation'!

version

!

version_CVS

! !