"

 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' }"

SimpleView subclass:#ViewWithAcceptAndCancelBar

	instanceVariableNames:'slaveView bar reallyModifiedHolder acceptAction cancelAction

		compareAction'

	classVariableNames:''

	poolDictionaries:''

	category:'Views-Basic'

!

SimpleView subclass:#AcceptAndCancelBar

	instanceVariableNames:'acceptButton cancelButton compareButton'

	classVariableNames:''

	poolDictionaries:''

	privateIn:ViewWithAcceptAndCancelBar

!

Button subclass:#ButtonWithHelpText

	instanceVariableNames:'helpText'

	classVariableNames:''

	poolDictionaries:''

	privateIn:ViewWithAcceptAndCancelBar::AcceptAndCancelBar

!

!ViewWithAcceptAndCancelBar 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

"

    experimental - self like accept/cancel bar in the browsers

    code view.

    Enable with:

         UserPreferences current showAcceptCancelBarInBrowser:true

"

! !

!ViewWithAcceptAndCancelBar methodsFor:'accessing'!

acceptAction:something

    "define the action to be performed when the green accept button is pressed"

    acceptAction := something.

    "Modified (comment): / 29-11-2011 / 12:59:18 / cg"

!

cancelAction:something

    "define the action to be performed when the red cancel button is pressed"

    cancelAction := something.

    "Modified (comment): / 29-11-2011 / 12:59:24 / cg"

!

compareAction:aBlock

    "define the action to be performed when the yellow compare button is pressed"

    compareAction := aBlock.

    "Modified (comment): / 29-11-2011 / 12:59:01 / cg"

!

reallyModifiedHolder:aValueHolder

    "set the holder which keeps track of the real modified state;

     the modified state of the view is set with every user-input,

     but cleared by the master (in order to trigger future modified events).

     With ever modified change, the state of the reallyModified is updated"

    reallyModifiedHolder notNil ifTrue:[

        reallyModifiedHolder removeDependent:self.

    ].

    reallyModifiedHolder := aValueHolder.

    reallyModifiedHolder notNil ifTrue:[

        reallyModifiedHolder addDependent:self.

    ]

    "Modified: / 29-11-2011 / 13:01:02 / cg"

!

scrolledView

    "for protocol compatibility"

    ^ slaveView scrolledView

! !

!ViewWithAcceptAndCancelBar methodsFor:'action'!

accept

    acceptAction value

!

cancel

    cancelAction notNil ifTrue:[

        cancelAction value

    ]

!

compare

    compareAction notNil ifTrue:[

        compareAction value

    ]

! !

!ViewWithAcceptAndCancelBar methodsFor:'change & update'!

hideBar

    bar unmap.

    bar hiddenOnRealize:true.

    slaveView origin:(0.0 @ 0.0) corner:(1.0 @ 1.0).

!

showBar

    slaveView origin:(20 @ 0.0) corner:(1.0 @ 1.0).

    bar hiddenOnRealize:false.

    bar realize.

!

update:something with:aParameter from:changedObject

    |app|

    slaveView notNil ifTrue:[

        (app := self application) notNil ifTrue:[

            (changedObject == reallyModifiedHolder 

            or:[ changedObject == slaveView modifiedChannel ]) ifTrue:[

                app

                    enqueueMessage:#updateBarVisibility

                    for:self 

                    arguments:#().

            ].

        ].

    ].

    super update:something with:aParameter from:changedObject

    "Modified: / 29-11-2011 / 12:57:55 / cg"

!

updateBarVisibility

    |modified|

    modified := reallyModifiedHolder notNil 

                ifTrue:[ reallyModifiedHolder value ]

                ifFalse:[ slaveView modifiedChannel value ].

    modified ifTrue:[

        self showBar

    ] ifFalse:[

        self hideBar

    ].

    "Modified (format): / 29-11-2011 / 14:05:04 / cg"

! !

!ViewWithAcceptAndCancelBar methodsFor:'initialization'!

initialize

    super initialize.

    bar := AcceptAndCancelBar in:self.

    bar origin:(0.0 @ 0.0) corner:(20 @ 1.0).

    bar hiddenOnRealize:true.

    bar acceptButton action:[ self accept ].

    bar cancelButton action:[ self cancel ].

    bar compareButton action:[ self compare ].

    acceptAction := [ slaveView notNil ifTrue:[ slaveView accept ] ].

    cancelAction := [  ].

    "

     self new open

    "

!

slaveView:aView

    self add:aView.

    slaveView := aView.

    aView origin:(0.0@0.0) corner:(1.0@1.0).

    aView modifiedChannel addDependent:self.

    "

     |v|

     v := self new.

     v slaveView:CodeView new.

     v open

    "

! !

!ViewWithAcceptAndCancelBar::AcceptAndCancelBar methodsFor:'accessing'!

acceptButton

    ^ acceptButton

!

cancelButton

    ^ cancelButton

!

compareButton

    ^ compareButton

! !

!ViewWithAcceptAndCancelBar::AcceptAndCancelBar methodsFor:'help'!

flyByHelpTextAt:srcPoint

    "return the helpText for aPoint (i.e. when mouse-pointer is moved over an item)."

    (acceptButton bounds containsPoint:srcPoint) ifTrue:[

    ].

    (cancelButton bounds containsPoint:srcPoint) ifTrue:[

    ].

    (compareButton bounds containsPoint:srcPoint) ifTrue:[

    ].

    ^ nil

! !

!ViewWithAcceptAndCancelBar::AcceptAndCancelBar methodsFor:'initialization'!

initialize

    super initialize.

    acceptButton := ButtonWithHelpText new.

    acceptButton origin:0.0 @ 0.0 corner:1.0@0.7.

    acceptButton backgroundColor:Color green.

    self add:acceptButton.

    cancelButton := ButtonWithHelpText new.

    cancelButton origin:0.0 @ 0.7 corner:1.0@0.9.

    cancelButton backgroundColor:Color red.

    self add:cancelButton.

    compareButton := ButtonWithHelpText new.

    compareButton origin:0.0 @ 0.9 corner:1.0@1.0.

    compareButton backgroundColor:Color yellow.

    compareButton label:'?'.

    self add:compareButton.

    "

     AcceptAndCancelBar new open

    "

! !

!ViewWithAcceptAndCancelBar::AcceptAndCancelBar::ButtonWithHelpText methodsFor:'accessing'!

flyByHelpText

    ^ helpText

!

flyByHelpText:something

    helpText := something.

! !

!ViewWithAcceptAndCancelBar class methodsFor:'documentation'!

version

!

version_CVS

! !