[Moose-dev] Re: Roassal shape compositing Re: Re: Roassal nested layout

'From Pharo1.4 of 18 April 2012 [Latest update: #14457] on 16 September 2012 at 9:08:32 pm'! ROShape subclass: #ROCircle instanceVariableNames: 'borderColor borderWidth' classVariableNames: '' poolDictionaries: '' category: 'Roassal-Core'! !ROTranslatingShape methodsFor: 'accessing' stamp: 'BenComan 9/16/2012 21:06'! usecase7 " self new usecase7 " " Need to have elements that represent electrical symbols: eg http://www.red-bag.com/imageslib/BN-DS-E2_02.pdf Here we implement a transformer as an example - see page 11. " | view circle circleLabel transformer transformerLabel | view := ROView new. transformer := (ROElement on: 'N080111' ) @ RODraggable. "N080111 is an example equipment tag for a particular transformer" transformer attributes at: #rating put: '7MVA'. "Properly these attributes would be ivars of the transformer model, but fake it for demo purposes" transformer attributes at: #impedance put: '15%'. transformerLabel := ROLabel new text: [ :element | (element attributes at: #rating ifAbsent: '??MVA') asString, String crlf, (element attributes at: #impedance ifAbsent: '??%') asString. ]. transformer + (ROCircle new borderOnly extent: 50@50 ) + (ROTranslatingShape new offset: 25@0) + (ROCircle new borderOnly extent: 50@50). transformer + (ROTranslatingShape new offset: [ (transformer width / 8) negated @ (transformer height) ] ) + transformerLabel. view add: transformer . view open.! ! !ROCircle methodsFor: 'rendering' stamp: 'BenComan 9/3/2012 02:08'! borderColor ^ borderColor ! ! !ROCircle methodsFor: 'rendering' stamp: 'BenComan 9/3/2012 02:07'! borderColor: aColor borderColor := aColor.! ! !ROCircle methodsFor: 'rendering' stamp: 'BenComan 9/16/2012 20:38'! borderOnly self borderWidth: 1. self borderColor: Color black. self color: Color transparent. ! ! !ROCircle methodsFor: 'rendering' stamp: 'BenComan 9/3/2012 02:08'! borderWidth ^borderWidth ! ! !ROCircle methodsFor: 'rendering' stamp: 'BenComan 9/3/2012 02:06'! borderWidth: anInteger borderWidth := anInteger. ! ! !ROCircle methodsFor: 'rendering' stamp: 'BenComan 9/3/2012 02:06'! drawOn: aCanvas for: aROElement aCanvas fillOval: aROElement bounds color: color borderWidth: borderWidth borderColor: borderColor! ! !ROCircle methodsFor: 'rendering' stamp: 'BenComan 9/16/2012 15:45'! extent: anExtentPoint | max | max := anExtentPoint x max: anExtentPoint y. extent := max @ max. next extent: anExtentPoint! ! !ROCircle methodsFor: 'rendering' stamp: 'BenComan 9/3/2012 02:05'! initialize super initialize. borderWidth := 0. borderColor := Color black.! ! ROCircle removeSelector: #borederOnly!