643
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"
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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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ApplicationModel subclass:#ShellView
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instanceVariableNames:'task directory commands currentCommand numberOfMaxLines'
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classVariableNames:''
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poolDictionaries:''
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category:'Interface-Support'
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!
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!ShellView class methodsFor:'documentation'!
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copyright
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"
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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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"
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[author:]
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Thomas Zwick
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"
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! !
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!ShellView 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:ShellView andSelector:#windowSpec
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ShellView new openInterface:#windowSpec
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ShellView 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: 'unnamed canvas'
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#layout: #(#LayoutFrame 252 0 229 0 551 0 497 0)
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#label: 'unnamed canvas'
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#min: #(#Point 10 10)
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#max: #(#Point 1152 864)
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#bounds: #(#Rectangle 252 229 552 498)
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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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#(#TextEditorSpec
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#name: 'fileContentsView'
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#layout: #(#LayoutFrame 0 0 0 0.0 0 1 -22 1)
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#model: #valueOfFileContents
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#hasHorizontalScrollBar: true
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#hasVerticalScrollBar: true
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#miniScrollerHorizontal: true
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)
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#(#SequenceViewSpec
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#name: 'shellOutputView'
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#layout: #(#LayoutFrame 0 0.0 0 0.0 0 1.0 -22 1.0)
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#model: #selectionOfShellOutput
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#style: #(#FontDescription #courier #medium #roman 12)
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#hasHorizontalScrollBar: true
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#hasVerticalScrollBar: true
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#doubleClickSelector: #listDoubleClicked:
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#useIndex: true
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#sequenceList: #listOfShellOutput
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)
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#(#ActionButtonSpec
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#name: 'fileNameButton'
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#layout: #(#LayoutFrame 0 0.0 -22 1 -60 1.0 0 1.0)
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#model: #toggleViews
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)
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#(#ActionButtonSpec
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#name: 'saveButton'
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#layout: #(#LayoutFrame -60 1 -22 1 0 1.0 0 1.0)
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#label: 'Save'
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#model: #saveFileContents
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)
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#(#ActionButtonSpec
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#name: 'stopButton'
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#layout: #(#LayoutFrame 0 0 -22 1 0 1.0 0 1)
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#label: 'Stop'
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#model: #terminateTask
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)
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#(#InputFieldSpec
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#name: 'commandInputField'
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#layout: #(#LayoutFrame 0 0 -22 1 0 1.0 0 1)
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#model: #valueOfCommand
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#type: #string
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#acceptOnReturn: false
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#acceptOnTab: false
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)
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)
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)
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)
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! !
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!ShellView methodsFor:'accessing'!
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directory
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^directory ? (directory := Filename currentDirectory asAbsoluteFilename name)
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!
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directory: aDirectory
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|dir|
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(directory ~= (dir := aDirectory asFilename asAbsoluteFilename name))
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ifTrue:
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[
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directory := dir.
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self listOfShellOutput
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at: self listOfShellOutput size
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put: self getDirectoryTextString
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]
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!
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numberOfMaxLines
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^numberOfMaxLines ? (numberOfMaxLines := 500)
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!
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numberOfMaxLines: anInteger
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numberOfMaxLines := anInteger
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! !
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!ShellView methodsFor:'accessing - views'!
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commandInputField
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^builder componentAt: #commandInputField
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!
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fileContentsView
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^builder componentAt: #fileContentsView
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!
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fileNameButton
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^builder componentAt: #fileNameButton
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!
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saveButton
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^builder componentAt: #saveButton
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!
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shellOutputView
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^builder componentAt: #shellOutputView
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!
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stopButton
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^builder componentAt: #stopButton
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! !
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!ShellView methodsFor:'actions'!
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executeCommand: aCommand
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|s|
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aCommand isNil | task notNil | directory isNil ifTrue: [^nil].
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aCommand isString ifTrue: [^self executeCommands: (Array with: aCommand)].
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aCommand key size = 0 ifTrue: [^aCommand key: ''].
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self valueOfCommand value: ''.
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self listOfShellOutput
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at: self listOfShellOutput size
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put: self getDirectoryTextString, (Text string: aCommand key color: Color blue).
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aCommand key trimBlanks = 'clear'
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ifTrue:
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[
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self shellOutputView raise.
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^self listOfShellOutput contents: (Array with: self getDirectoryTextString).
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].
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(((s := aCommand key readStream) nextWord = 'cd') and: [(s next = Character space) | s atEnd])
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ifTrue:
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[
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s := s upToEnd trimBlanks.
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s size = 0
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ifTrue:
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[
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s := Filename homeDirectory
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]
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ifFalse:
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[
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s first = $/
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ifTrue: [s := s asFilename]
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ifFalse: [s := self directory asFilename constructDirectory: s]
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].
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(s exists and: [s isDirectory])
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ifTrue:
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[
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directory := s name.
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^self listOfShellOutput contents: (Array with: self getDirectoryTextString).
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].
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].
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self stopButton raise.
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self shellOutputView raise.
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self
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execute: aCommand key
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exit:
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[
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self commandInputField raise.
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aCommand value: true.
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self executeNextCommand.
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self append: self getDirectoryTextString
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].
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! !
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!ShellView methodsFor:'aspects'!
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listOfShellOutput
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|holder|
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(holder := builder bindingAt:#listOfShellOutput) isNil ifTrue:[
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builder aspectAt:#listOfShellOutput put:(holder := List new).
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holder add: self getDirectoryTextString
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].
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^holder
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!
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selectionOfShellOutput
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|holder|
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(holder := builder bindingAt:#selectionOfShellOutput) isNil ifTrue:[
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builder aspectAt:#selectionOfShellOutput put: (holder := 1 asValue)
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].
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^holder
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!
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valueOfCommand
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|holder|
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(holder := builder bindingAt:#valueOfCommand) isNil ifTrue:[
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builder aspectAt:#valueOfCommand put:
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(holder := AspectAdaptor new subject: self; forAspect: #currentCommand).
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].
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^ holder
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!
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valueOfFileContents
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|holder|
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(holder := builder bindingAt:#valueOfFileContents) isNil ifTrue:[
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builder aspectAt:#valueOfFileContents put:(holder := ValueHolder new).
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].
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^holder
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! !
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!ShellView methodsFor:'callbacks'!
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listDoubleClicked: anLineIndex
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|stream streamAtLine possibleFileName selectedFileName fileFound|
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possibleFileName := ''.
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stream := (self listOfShellOutput at: anLineIndex) string readStream.
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fileFound := false.
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[stream atEnd | fileFound]
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whileFalse:
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[
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possibleFileName := possibleFileName, stream next.
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(("((selectedFileName := possibleFileName) asFilename exists) or:"
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(selectedFileName := directory, Filename separator, possibleFileName) asFilename exists)
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and: [selectedFileName asFilename isDirectory not])
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ifTrue:
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[
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|possibleLineIndex listSize lineNumber|
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fileFound := true.
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self openFile: selectedFileName.
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[stream atEnd | lineNumber notNil]
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whileFalse:
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[
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lineNumber := Integer readFrom: stream nextAlphaNumericWord onError: nil.
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].
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lineNumber := lineNumber ? 1.
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listSize := self fileContentsView list size.
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(lineNumber between: 1 and: listSize)
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ifTrue:
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[
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self fileContentsView selectLine: lineNumber
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].
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lineNumber > listSize
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ifTrue:
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[
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self fileContentsView selectLine: listSize
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].
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].
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]
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! !
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!ShellView methodsFor:'initialization'!
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initialize
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super initialize.
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self createBuilder
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"Created: / 20.6.1998 / 15:30:48 / cg"
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! !
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!ShellView methodsFor:'private'!
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append:anElement
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anElement notNil
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ifTrue:
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[
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self listOfShellOutput size > self numberOfMaxLines
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ifTrue:
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[
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self listOfShellOutput contents: (self listOfShellOutput copyFrom:
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self listOfShellOutput size - (self numberOfMaxLines//5)
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to: self listOfShellOutput size)
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].
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self listOfShellOutput add: anElement.
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self selectionOfShellOutput value: self listOfShellOutput size.
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]
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!
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execute: cmd exit:exitAction
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|outStream|
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self terminateTask.
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outStream:= PipeStream readingFrom: cmd errorDisposition:#inline inDirectory: directory.
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task :=
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[
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[
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outStream canReadWithoutBlocking
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ifTrue:
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[
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outStream readWait.
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self append: (outStream upTo: Character cr).
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].
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] doWhile:[outStream atEnd not]
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] forkAt: Processor userBackgroundPriority.
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task addExitAction:
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[
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task := nil.
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outStream shutDown.
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exitAction value
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]
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!
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executeNextCommand
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self executeCommand: (commands detect: [:str| str value = false] ifNone: nil)
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!
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getDirectoryTextString
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|
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^Text string: ('[',self directory, '] > ') emphasis: #bold
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!
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listDirectory: dir
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|s match d|
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match := (dir name copy reverse upTo: Filename separator) reverse.
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s := dir name copy reverse readStream.
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s through: Filename separator.
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s := s upToEnd reverse.
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dir name = Filename separator asString ifTrue: [s := Filename separator asString].
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((d := dir) isDirectory or:
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[((d := s asFilename) isDirectory or:
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[(d := directory asFilename construct: s) isDirectory])])
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413 |
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|
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ifTrue: [
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d directoryContents do:
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[:dirEntry|
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|
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((match, '*') match: dirEntry) ifTrue: [self append:dirEntry]
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].
|
|
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self append: self getDirectoryTextString
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|
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]
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|
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! !
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|
422 |
|
|
423 |
!ShellView methodsFor:'selection'!
|
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424 |
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425 |
currentCommand
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426 |
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|
427 |
^currentCommand
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428 |
!
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429 |
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430 |
currentCommand: aString
|
|
431 |
|
|
432 |
self commandInputField crAction: [self executeCommands: (Array with: currentCommand)].
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|
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self commandInputField entryCompletionBlock:[:contents |
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|
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|newString|
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|
435 |
newString := Filename
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|
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filenameCompletionFor:contents
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|
437 |
directory:directory asFilename
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|
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directoriesOnly:false
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filesOnly:false
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440 |
ifMultiple:
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441 |
[:dir |
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|
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self listDirectory: dir.
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|
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self commandInputField flash.
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].
|
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445 |
self commandInputField contents:newString.
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self commandInputField cursorToEndOfLine.
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].
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currentCommand := aString.
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self listOfShellOutput size > 0
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ifTrue:
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[
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self listOfShellOutput
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|
453 |
at: self listOfShellOutput size
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|
454 |
put: self getDirectoryTextString, currentCommand
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|
455 |
].
|
|
456 |
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|
457 |
! !
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458 |
|
|
459 |
!ShellView methodsFor:'user actions'!
|
|
460 |
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|
461 |
executeCommands: aStingCollection
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|
462 |
|
|
463 |
commands := aStingCollection collect: [:str| str->false].
|
|
464 |
|
|
465 |
self executeNextCommand
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|
466 |
!
|
|
467 |
|
|
468 |
openFile: aFileName
|
|
469 |
|
|
470 |
|fileName|
|
|
471 |
task isNil & (((fileName := aFileName asFilename) exists)
|
|
472 |
or: [(fileName := directory asFilename construct: fileName) exists])
|
|
473 |
ifTrue:
|
|
474 |
[
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|
475 |
self fileNameButton raise; sizeFixed: true;label: fileName name.
|
|
476 |
self fileContentsView raise.
|
|
477 |
self saveButton raise.
|
|
478 |
Stream readErrorSignal
|
|
479 |
handle:
|
|
480 |
[:ex|
|
|
481 |
self warn: 'Reading file contents failed!!'.
|
|
482 |
self toggleViews.
|
|
483 |
]
|
|
484 |
do:
|
|
485 |
[
|
|
486 |
self valueOfFileContents value: fileName contentsOfEntireFile
|
|
487 |
]
|
|
488 |
]
|
|
489 |
!
|
|
490 |
|
|
491 |
saveFileContents
|
|
492 |
|
|
493 |
self fileContentsView saveAs: self fileNameButton label
|
|
494 |
!
|
|
495 |
|
|
496 |
terminateTask
|
|
497 |
|
|
498 |
task notNil ifTrue:
|
|
499 |
[
|
|
500 |
task terminate.
|
|
501 |
task := nil
|
|
502 |
]
|
|
503 |
!
|
|
504 |
|
|
505 |
toggleViews
|
|
506 |
|
|
507 |
self fileNameButton label isEmpty
|
|
508 |
ifFalse:
|
|
509 |
[
|
|
510 |
task notNil
|
|
511 |
ifTrue: [self stopButton raise]
|
|
512 |
ifFalse: [self commandInputField raise].
|
|
513 |
self shellOutputView raise.
|
|
514 |
self fileNameButton sizeFixed: true; label: ''.
|
|
515 |
self valueOfFileContents value: ''.
|
|
516 |
]
|
|
517 |
ifTrue:
|
|
518 |
[
|
|
519 |
self fileNameButton raise.
|
|
520 |
self infoLabel raise.
|
|
521 |
self fileContentsView raise
|
|
522 |
]
|
|
523 |
! !
|
|
524 |
|
|
525 |
!ShellView class methodsFor:'documentation'!
|
|
526 |
|
|
527 |
version
|
|
528 |
^ '$Header$'
|
|
529 |
! !
|