"

 COPYRIGHT (c) 2006 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:libtool' }"

"{ NameSpace: Tools }"

TextDiffTool subclass:#TextDiff3Tool

	instanceVariableNames:'mergeHolder'

	classVariableNames:''

	poolDictionaries:''

	category:'Interface-Diff'

!

!TextDiff3Tool class methodsFor:'documentation'!

copyright

"

 COPYRIGHT (c) 2006 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

"

    documentation to be added.

    [author:]

        Jan Vrany <jan.vrany@fit.cvut.cz>

    [instance variables:]

    [class variables:]

    [see also:]

"

!

examples

"

  Starting the application:

                                                                [exBegin]

    Tools::TextDiff3Tool open

                                                                [exEnd]

  more examples to be added:

                                                                [exBegin]

    ... add code fragment for 

    ... executable example here ...

                                                                [exEnd]

"

! !

!TextDiff3Tool class methodsFor:'interface specs'!

diff3Spec

    "This resource specification was automatically generated

     by the UIPainter of ST/X."

    "Do not manually edit this!! If it is corrupted,

     the UIPainter may not be able to read the specification."

    "

     UIPainter new openOnClass:Tools::TextDiff3Tool andSelector:#diff3Spec

     Tools::TextDiff3Tool new openInterface:#diff3Spec

    "

    <resource: #canvas>

    ^ 

     #(FullSpec

        name: diff3Spec

        window: 

       (WindowSpec

          label: 'Text Diff Tool (for embedding)'

          name: 'Text Diff Tool (for embedding)'

          min: (Point 10 10)

          bounds: (Rectangle 0 0 782 506)

        )

        component: 

       (SpecCollection

          collection: (

           (ViewSpec

              name: '3Labels'

              layout: (LayoutFrame 0 0 0 0 -16 1 30 0)

              component: 

             (SpecCollection

                collection: (

                 (UISubSpecification

                    name: 'VersionC'

                    layout: (LayoutFrame 0 0 0 0 0 0.33333 30 0)

                    minorKey: versionCLabelSpec

                  )

                 (UISubSpecification

                    name: 'VersionA'

                    layout: (LayoutFrame 5 0.3333 0 0 0 0.67 30 0)

                    minorKey: versionALabelSpec

                  )

                 (UISubSpecification

                    name: 'VersionB'

                    layout: (LayoutFrame 5 0.67 0 0 0 1 30 0)

                    minorKey: versionBLabelSpec

                  )

                 )

              )

            )

           (ArbitraryComponentSpec

              name: 'Diff3TextView'

              layout: (LayoutFrame 0 0 30 0 0 1 0 1)

              hasHorizontalScrollBar: false

              hasVerticalScrollBar: false

              autoHideScrollBars: false

              hasBorder: false

              component: #'Tools::Diff3CodeView2'

              postBuildCallback: postBuildDiffView:

            )

           )

        )

      )

! !

!TextDiff3Tool class methodsFor:'plugIn spec'!

aspectSelectors

    "This resource specification was automatically generated

     by the UIPainter of ST/X."

    "Do not manually edit this. If it is corrupted,

     the UIPainter may not be able to read the specification."

    "Return a description of exported aspects;

     these can be connected to aspects of an embedding application

     (if this app is embedded in a subCanvas)."

    ^ #(

        #codeAspectHolder

        #labelAHolder

        #labelBHolde

        #labelCHolder

        #labelHolder

        #languageHolder

        #textAHolder

        #textBHolder

        #textCHolder

      ).

! !

!TextDiff3Tool methodsFor:'aspects'!

mergeHolder

    "return/create the 'mergeHolder' value holder (automatically generated)"

    mergeHolder isNil ifTrue:[

        mergeHolder := ValueHolder with: false.

        mergeHolder addDependent:self.

    ].

    ^ mergeHolder

    "Modified: / 16-03-2012 / 13:24:34 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

mergeHolder:something

    "set the 'mergeHolder' value holder (automatically generated)"

    |oldValue newValue|

    mergeHolder notNil ifTrue:[

        oldValue := mergeHolder value.

        mergeHolder removeDependent:self.

    ].

    mergeHolder := something.

    mergeHolder notNil ifTrue:[

        mergeHolder addDependent:self.

    ].

    newValue := mergeHolder value.

    oldValue ~~ newValue ifTrue:[

        self update:#value with:newValue from:mergeHolder.

    ].

! !

!TextDiff3Tool methodsFor:'change & update'!

update:something with:aParameter from:changedObject

    "Invoked when an object that I depend upon sends a change notification."

    "stub code automatically generated - please change as required"

    changedObject == mergeHolder ifTrue:[

        self updateViews.

         ^ self.

    ].

    super update:something with:aParameter from:changedObject

    "Modified (format): / 16-03-2012 / 13:24:19 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

updateAfterAorBorCChanged

    (textAChanged & textBChanged & textCChanged) ifTrue:[

        textAChanged := textBChanged := textCChanged := false.

        self updateViews

    ].

    "Created: / 16-03-2012 / 15:26:35 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

updateViews

    self mergeHolder value ifTrue:[

    ] ifFalse:[

    ].

    "Created: / 16-03-2012 / 13:24:19 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!TextDiff3Tool methodsFor:'hooks'!

commonPostBuild

    self updateViews

    "Created: / 16-03-2012 / 13:25:40 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

postBuildDiffView:aScrollableView

    super postBuildDiffView:aScrollableView.

    diffView notNil ifTrue:[

       (self textAHolder value notNil and:[self textBHolder value notNil and:[self textCHolder value notNil]]) ifTrue:[

            diffView scrolledView

                text1: self textCHolder value

                text2: self textAHolder value

                text3: self textBHolder value

        ]

    ].

    "Created: / 16-03-2012 / 13:31:48 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!TextDiff3Tool methodsFor:'testing'!

isDiff3

    ^true

    "Created: / 16-03-2012 / 15:21:32 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!TextDiff3Tool class methodsFor:'documentation'!

version_SVN

! !