"

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

              All Rights Reserved

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:#CodeCompletionService

	instanceVariableNames:''

	classVariableNames:''

	poolDictionaries:''

	category:'Interface-CodeView'

!

!CodeCompletionService class methodsFor:'documentation'!

copyright

"

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

              All Rights Reserved

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.

"

! !

!CodeCompletionService class methodsFor:'accessing'!

label

    "Answers a short label - for UI"

    ^'Code Completion'

    "Created: / 07-03-2010 / 14:00:01 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!CodeCompletionService class methodsFor:'testing'!

isAvailable

    "CodeCompletionService is superseded by SmallSense"

    "^(Smalltalk at:#SmallSenseService) isNil"

    "Sure, it is broken, but we need it!!"

    "JV2011-07-09: And I preferr SmallSense: this should work for both

     unless SmallSense is loaded in your image"

    ^(Smalltalk at:#SmallSenseService) isNil.

    "Created: / 03-04-2011 / 23:08:02 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 08-07-2011 / 08:42:52 / cg"

    "Modified: / 27-07-2011 / 11:47:22 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

isUsefulFor:aCodeView

    "this filters useful services.

     Redefined to return true for myself - not for subclasses"

    ^ self == Tools::CodeCompletionService

    "Created: / 22-07-2013 / 13:59:54 / cg"

! !

!CodeCompletionService methodsFor:'event handling'!

keyPress: key x:x y:y in: view

    "Handles an event in given view (a subview of codeView).

     If the method returns true, the event will not be processed

     by the view."

    (view == textView and:[key == #'CodeCompletion']) ifTrue:

        [self complete. ^true].

    ^false

    "Created: / 07-03-2010 / 09:36:44 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!CodeCompletionService methodsFor:'private'!

complete

    |cls 

"/     crsrPos interval node checkedNode

"/     char start stop selectorSoFar matchingSelectors

    |

    codeView languageHolder value == SmalltalkLanguage instance   

        ifFalse:[^self].

    cls := codeView classHolder value.

    cls isNil ifTrue:[

        self showInfo:'No class'.

        ^ self.

    ].

    UserInformation handle:[:ex |

        codeView showInfo:(ex messageText).

        ex proceed.

    ] do:[

        codeView withWaitCursorDo:[

            DoWhatIMeanSupport codeCompletionForClass:cls codeView:textView.

        ]

    ].

    ^ self.

"/

"/    interval := self selectedInterval.

"/    interval isEmpty ifTrue:[

"/        crsrPos := codeView characterPositionOfCursor - 1.

"/        char := codeView characterUnderCursor.

"/        [crsrPos > 1 and:[char isSeparator or:['.' includes:char]]] whileTrue:[

"/            crsrPos := crsrPos - 1.

"/            char := codeView characterAtCharacterPosition:crsrPos.

"/        ].

"/        interval := crsrPos to:crsrPos.

"/    ].

"/

"/    node := self findNodeForInterval:interval allowErrors:true.

"/    [node isNil] whileTrue:[

"/        "/ expand to the left ...

"/        interval start > 1 ifFalse:[

"/            self showInfo:'No parseNode found'.

"/            ^ self.

"/        ].

"/        interval start:(interval start - 1).

"/        node := self findNodeForInterval:interval allowErrors:true.

"/    ].

"/

"/    node isVariable ifTrue:[

"/        self codeCompletionForVariable:node inClass:cls.

"/        ^ self.

"/    ].

"/

"/    checkedNode := node.

"/    [checkedNode notNil] whileTrue:[

"/        checkedNode isMessage ifTrue:[

"/            self codeCompletionForMessage:checkedNode inClass:cls.

"/            ^ self

"/        ].

"/        checkedNode isMethod ifTrue:[

"/            self codeCompletionForMethod:checkedNode inClass:cls.

"/            ^ self.

"/        ].

"/        checkedNode := checkedNode parent.

"/    ].

"/

"/    self showInfo:'Node is neither variable nor message.'.

    "Modified: / 04-07-2006 / 18:48:26 / fm"

    "Modified: / 20-11-2006 / 12:30:59 / cg"

    "Created: / 07-03-2010 / 09:37:42 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!CodeCompletionService class methodsFor:'documentation'!

version_CVS

    ^ '$Header: /cvs/stx/stx/libtool/Tools__CodeCompletionService.st,v 1.8 2013-07-22 12:02:14 cg Exp $'

!

version_HG

    ^ '$Changeset: <not expanded> $'

!

version_SVN

    ^ '$Id: Tools__CodeCompletionService.st,v 1.8 2013-07-22 12:02:14 cg Exp $'

! !