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COPYRIGHT (c) 1989-93 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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ModalBox subclass:#InfoBox
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instanceVariableNames:'formLabel textLabel okButton okAction'
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classVariableNames:'InfoBitmap'
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poolDictionaries:''
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category:'Views-Interactors'
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!
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InfoBox comment:'
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COPYRIGHT (c) 1989-93 by Claus Gittinger
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All Rights Reserved
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this class implements a pop-up box to show an information message
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%W% %E%
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written Spring/Summer 89 by claus
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'!
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!InfoBox class methodsFor:'instance creation'!
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title:titleString
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"create a new infoBox with title, aTitleString"
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^ (self new) title:titleString
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! !
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!InfoBox methodsFor:'initialization'!
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initialize
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super initialize.
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InfoBitmap isNil ifTrue:[
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InfoBitmap := Form fromFile:'Information.xbm' resolution:100 on:device
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].
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formLabel := Label in:self.
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self initFormBitmap.
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formLabel borderWidth:0.
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formLabel origin:(ViewSpacing @ ViewSpacing).
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textLabel := Label label:'Information' in:self.
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textLabel borderWidth:0.
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textLabel origin:((ViewSpacing + formLabel width + ViewSpacing) @ ViewSpacing).
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okButton := Button label:(Resources at:'ok')
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action:[
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okButton turnOffWithoutRedraw.
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self okPressed
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]
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in:self.
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"okButton isReturnButton:true."
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okButton origin:[(width // 4) @ (height - ViewSpacing - okButton height)]
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extent:[(width // 2) @ okButton height]
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!
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initFormBitmap
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formLabel form:InfoBitmap
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! !
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!InfoBox methodsFor:'realization'!
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show
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"added bell to wake up user"
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device beep.
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super show
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!
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showAtPointer
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"redefined to show the box with the cursor in the ok-box"
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self fixSize.
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self showAt:(device pointerPosition
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- (okButton originRelativeTo:self)
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- ((okButton width // 2) @ (okButton height // 2)) )
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! !
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!InfoBox methodsFor:'accessing'!
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form:aForm
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"define a form to be displayed left of the title
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- usually an exclamation-mark"
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formLabel form:aForm.
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formLabel resize.
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self resize
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title:aString
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"set the title"
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textLabel label:aString.
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textLabel resize.
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self resize
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title
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"return the title"
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^ textLabel label
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okAction:aBlock
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"define the action to be performed when ok is pressed"
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okAction := aBlock
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!
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okText:aString
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"define the text in the ok-button"
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okButton label:aString.
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self resize
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! !
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!InfoBox methodsFor:'private'!
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resize
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"resize myself to make everything fit into myself"
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|w h extra|
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w := ViewSpacing + formLabel width + ViewSpacing + textLabel width + ViewSpacing.
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h := ViewSpacing
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+ ((formLabel height) max:(textLabel height))
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+ ViewSpacing + ViewSpacing
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+ okButton height
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+ ViewSpacing.
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extra := margin * 2.
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super extent:(w + extra) @ (h + extra)
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! !
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!InfoBox methodsFor:'user interaction'!
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hideAndEvaluate:aBlock
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"make myself invisible and evaluate aBlock"
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self hide.
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aBlock notNil ifTrue:[aBlock value]
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!
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okPressed
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"user pressed ok-button; make myself invisible and if an action was
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specified do it"
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self hideAndEvaluate:okAction
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!
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keyPress:aKey x:x y:y
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"return-key dublicates ok-function"
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(aKey == #Return) ifTrue:[self okPressed]
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! !
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