"

 COPYRIGHT (c) 2010 by Jan Vrany, SWING Research Group. CTU in Prague

Permission is hereby granted, free of charge, to any person

obtaining a copy of this software and associated documentation

files (the 'Software'), to deal in the Software without

restriction, including without limitation the rights to use,

copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the

Software is furnished to do so, subject to the following

conditions:

The above copyright notice and this permission notice shall be

included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,

EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

OTHER DEALINGS IN THE SOFTWARE.

"

"{ Package: 'stx:libtool' }"

"{ NameSpace: Tools }"

CodeViewService subclass:#CodeHighlightingService

	instanceVariableNames:'job done'

	classVariableNames:''

	poolDictionaries:''

	category:'Interface-CodeView'

!

!CodeHighlightingService class methodsFor:'documentation'!

copyright

"

 COPYRIGHT (c) 2010 by Jan Vrany, SWING Research Group. CTU in Prague

Permission is hereby granted, free of charge, to any person

obtaining a copy of this software and associated documentation

files (the 'Software'), to deal in the Software without

restriction, including without limitation the rights to use,

copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the

Software is furnished to do so, subject to the following

conditions:

The above copyright notice and this permission notice shall be

included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,

EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

OTHER DEALINGS IN THE SOFTWARE.

"

! !

!CodeHighlightingService class methodsFor:'accessing'!

label

    "Answers short label - for UI"

    ^'Syntax Highlighting'

    "Created: / 07-03-2010 / 14:00:21 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!CodeHighlightingService methodsFor:'change & update'!

update: aspect with: param from: sender

    sender == textView modifiedChannel ifTrue:[^self codeChanged: false].

    sender == textView model ifTrue:[^self codeChanged: true].

    sender == codeView languageHolder ifTrue:[^self codeChanged: true].

    sender == codeView classHolder ifTrue:[^self codeChanged: true].

    super update: aspect with: param from: sender

    "Created: / 06-03-2010 / 19:38:07 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 05-07-2011 / 10:18:08 / cg"

! !

!CodeHighlightingService methodsFor:'initialization'!

initialize

    "Created: / 29-07-2011 / 10:31:03 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 03-08-2011 / 16:47:53 / cg"

! !

!CodeHighlightingService methodsFor:'private'!

codeChanged: force

    (force or:[codeView textView modified]) ifTrue:

    "Modified: / 29-07-2011 / 11:07:56 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

setHighlightedCode:newCode elements: elements

    "the background synhighlighter has generated new colored text,

     with highlighted syntax.

     If there have been no modifications in the meantime, install it."

    |firstShown lastShown cursorWasOn anyChange newLines l replaceAction list|

    textView modified ifTrue:[

    ].

    done  ifFalse:[

    ].

    firstShown := textView firstLineShown.

    lastShown := textView lastLineShown.

    replaceAction := [:lNr :line |

    anyChange := false.

    newLines := newCode asStringCollection.

    list := textView list.

    list isNil ifTrue:[

    ] ifFalse:[

    ].

    codeView syntaxElements: elements

    "Modified: / 09-10-2006 / 11:50:17 / cg"

    "Created: / 14-02-2010 / 16:10:21 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified (format): / 06-07-2011 / 18:21:12 / cg"

    "Modified: / 29-07-2011 / 11:10:32 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

showInfo: aString

    codeView showInfo: aString

    "Created: / 06-03-2010 / 19:34:51 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

syntaxHighlight

    |highlighterClass prio |

    highlighterClass := self syntaxHighlighterClass.

    highlighterClass isNil ifTrue:[

    ].

    "/ this clobbers the codeViews modified state; therefore, we have to remember

    "/ this info somewhere ...

    codeView browser ifNotNil:[

    ].

    job scheduled ifTrue:[

    ].

    prio := Processor userBackgroundPriority - 1.

    textView shown ifFalse:[

    ].

    job startWithPriority: prio.

    "Modified: / 07-07-2011 / 12:26:12 / Jan Vrany <jan.vrant@fit.cvut,cz>"

    "Modified: / 20-07-2011 / 15:14:14 / cg"

    "Created: / 29-07-2011 / 11:07:42 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

syntaxHighlight: delayed

    |oldCode oldCodeList newCode elements cls mthd highlighterClass|

    done := false.

    codeView syntaxElements: nil.

    codeView syntaxElementSelection: nil.

    highlighterClass := self syntaxHighlighterClass.

    cls := codeView klass.

    (cls notNil and:[cls isObsolete]) ifTrue:[

    ].

    mthd := codeView methodHolder value.

    textView modified ifFalse:[

"/ self halt.

    ]

    "Created: / 29-07-2011 / 11:01:53 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

syntaxHighlighterClass

    | lang cls mthd |

    cls := (lang := codeView languageHolder value)

    "Ugly hack because I don't want to branch libcomp :-)"

    cls == SyntaxHighlighter ifTrue:[

    ].

    ^ cls

    "Created: / 14-02-2010 / 12:39:15 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 06-03-2010 / 19:39:05 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 05-07-2011 / 11:10:11 / cg"

! !

!CodeHighlightingService methodsFor:'registering'!

registerIn: aCodeView

    super registerIn: aCodeView.

    self syntaxHighlight.

    "Created: / 27-07-2011 / 13:25:03 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!CodeHighlightingService class methodsFor:'documentation'!

version_CVS

!

version_SVN

    ^ '§Id: Tools__CodeHighlightingService.st 7715 2011-04-10 16:32:58Z vranyj1 §'

! !