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"
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COPYRIGHT (c) 1989 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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Workspace subclass:#CodeView
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instanceVariableNames:'acceptAction explainAction'
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classVariableNames:''
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poolDictionaries:''
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category:'Interface-Workspace'
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!
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CodeView comment:'
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COPYRIGHT (c) 1989 by Claus Gittinger
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All Rights Reserved
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$Header: /cvs/stx/stx/libwidg/CodeView.st,v 1.9 1994-08-07 13:21:14 claus Exp $
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'!
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!CodeView class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 1989 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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!
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version
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"
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$Header: /cvs/stx/stx/libwidg/CodeView.st,v 1.9 1994-08-07 13:21:14 claus Exp $
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"
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!
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documentation
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"
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a view for code which can recompile its contents. It adds accept and explain
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to the menu, and defines two actions: acceptAction to be performed for accept
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and explainAction to be performed for explain.
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These actions are to be defined by the user of this view
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(i.e. ususally the owning browser)
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"
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! !
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!CodeView methodsFor:'initialization'!
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initializeMiddleButtonMenu
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|sub idx|
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super initializeMiddleButtonMenu.
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"
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codeViews do support #accept
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"
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idx := middleButtonMenu indexOf:#inspectIt.
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idx ~~ 0 ifTrue:[
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middleButtonMenu addLabel:'-'
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selector:nil
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after:idx.
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middleButtonMenu addLabel:(resources string:'accept')
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selector:#accept
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after:idx + 1.
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].
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sub := middleButtonMenu subMenuAt:#others.
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idx := sub indexOf:#gotoLine.
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sub addLabel:'-'
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selector:nil
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after:idx.
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sub addLabel:(resources string:'explain')
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selector:#explain
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after:idx + 1.
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self enableOrDisableSelectionMenuEntries
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! !
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!CodeView methodsFor:'accessing'!
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acceptAction:aBlock
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"set the action to be performed on accept"
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acceptAction := aBlock
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!
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acceptAction
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"return the action to be performed on accept (or nil)"
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^ acceptAction
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!
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explainAction:aBlock
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"set the action to be performed on explain"
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explainAction := aBlock
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! !
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!CodeView methodsFor:'selections'!
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disableSelectionMenuEntries
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"disable relevant menu entries for a selection"
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middleButtonMenu notNil ifTrue:[
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super disableSelectionMenuEntries.
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middleButtonMenu disable:#explain
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]
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!
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enableSelectionMenuEntries
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"enable relevant menu entries for a selection"
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middleButtonMenu notNil ifTrue:[
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super enableSelectionMenuEntries.
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middleButtonMenu enable:#explain
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]
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! !
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!CodeView methodsFor:'user actions'!
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accept
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"accept action;
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save cursor and selection; then execute the accept-action
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and finally restore cursor and selection"
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acceptAction notNil ifTrue:[
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codeStartPosition := 1.
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abortBlock := [
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self cursor:Cursor normal.
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"redraw selection in normal color"
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self selectFromLine:selectionStartLine col:selectionStartCol
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toLine:selectionEndLine col:selectionEndCol.
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abortBlock := nil.
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^ nil
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].
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[
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Object abortSignal catch:[
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acceptAction value:(self list "contents")
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]
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] valueNowOrOnUnwindDo:[
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self unselect.
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abortBlock := nil
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]
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]
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!
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explain
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"explain action;
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evaluate the explainBlock passing whole contents and
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selection as arguments."
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|text|
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explainAction notNil ifTrue:[
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text := self selection.
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text notNil ifTrue:[
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explainAction value:(self contents)
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value:(text asString)
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]
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]
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! !
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!CodeView methodsFor:'events'!
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keyPress:key x:x y:y
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"catch keyboard shortcuts"
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(key == #Accept) ifTrue:[^ self accept].
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(key == #Explain) ifTrue:[^ self explain].
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(key == #Help) ifTrue:[^ self explain].
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super keyPress:key x:x y:y
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! !
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