Smalltalk current createPackage: 'Trapped-Frontend'! Object subclass: #TrappedBinder instanceVariableNames: 'brush' package: 'Trapped-Frontend'! !TrappedBinder methodsFor: 'accessing'! brush: aTagBrush brush := aTagBrush ! ! !TrappedBinder methodsFor: 'action'! installFor: path brush trap: path read: self showBlock ! showBlock ^[ :model | brush empty; with: (model ifNil: [[]]) ] ! ! !TrappedBinder methodsFor: 'converting'! prim: anObject ! ! TrappedBinder subclass: #TrappedCheckedBinder instanceVariableNames: '' package: 'Trapped-Frontend'! !TrappedCheckedBinder methodsFor: 'action'! installFor: path super installFor: path. path trapDescend: [ :snap | brush onChange: [ snap modify: [ (brush asJQuery attr: 'checked') notNil ]] ] ! showBlock ^[ :model | brush asJQuery attr: 'checked' put: (model ifNotNil: [ self prim: model ] ifNil: [ false ]) ] ! ! TrappedBinder subclass: #TrappedValBinder instanceVariableNames: '' package: 'Trapped-Frontend'! !TrappedValBinder methodsFor: 'action'! installFor: path super installFor: path. path trapDescend: [ :snap | brush onChange: [ snap modify: [ brush asJQuery val ]] ] ! showBlock ^[ :model | brush asJQuery val: (model ifNotNil: [self prim: model] ifNil: [[]]) ] ! ! Widget subclass: #TrappedDumbView instanceVariableNames: '' package: 'Trapped-Frontend'! !TrappedDumbView commentStamp! I just read and show an actual path.! !TrappedDumbView methodsFor: 'rendering'! renderOn: html html root trap: #() ! ! Object subclass: #TrappedSingleton instanceVariableNames: '' package: 'Trapped-Frontend'! !TrappedSingleton methodsFor: 'action'! start: args ^ self subclassResponsibility ! ! TrappedSingleton class instanceVariableNames: 'current'! !TrappedSingleton class methodsFor: 'accessing'! current ^ current ifNil: [ current := self new ] ! ! !TrappedSingleton class methodsFor: 'action'! start: args self current start: args ! ! TrappedSingleton subclass: #Trapped instanceVariableNames: 'registry' package: 'Trapped-Frontend'! !Trapped methodsFor: 'accessing'! byName: aString ^ registry at: aString ! register: aListKeyedEntity self register: aListKeyedEntity name: aListKeyedEntity class name ! register: aListKeyedEntity name: aString registry at: aString put: aListKeyedEntity ! ! !Trapped methodsFor: 'action'! descend: anArray snapshotDo: aBlock | tpsc | tpsc := TrappedPathStack current. tpsc append: anArray do: [ | path model | path := tpsc elements copy. model := self byName: path first. aBlock value: (TrappedSnapshot new path: path model: model) ] ! start: args args do: [ :each | self register: each ]. '[data-trap]' asJQuery each: [ :index :elem | | trap jq viewName modelName tokens path | jq := elem asJQuery. trap := jq attr: 'data-trap'. tokens := trap tokenize: ':'. tokens size = 1 ifTrue: [ tokens := { 'TrappedDumbView' }, tokens ]. viewName := tokens first. tokens := (tokens second tokenize: ' ') select: [ :each | each notEmpty ]. modelName := tokens first. path := Trapped parse: tokens allButFirst. { modelName }, path trapDescend: [(Smalltalk current at: viewName) new appendToJQuery: jq]. ] ! ! !Trapped methodsFor: 'binders'! binder: aTagBrush "Prototype; will select based on tag etc." | binder tag | tag := aTagBrush element nodeName. tag = 'INPUT' ifTrue: [ | type | type := aTagBrush asJQuery attr: 'type'. type = 'checkbox' ifTrue: [ binder := TrappedCheckedBinder new ]. type = 'text' ifTrue: [ binder := TrappedValBinder new ] ]. binder ifNil: [ binder := TrappedBinder new ]. ^ binder brush: aTagBrush; yourself ! ! !Trapped methodsFor: 'initialization'! initialize super initialize. registry := #{}. ! ! !Trapped class methodsFor: 'accessing'! parse: anArray ^anArray collect: [ :each | | asNum | asNum := each asNumber. asNum = asNum ifTrue: [ asNum ] ifFalse: [ each first = '#' ifTrue: [ { each allButFirst } ] ifFalse: [ each ]]] ! ! !Trapped class methodsFor: 'private'! envelope: envelope loop: model before: endjq tag: aSymbol do: aBlock | envjq | envjq := envelope asJQuery. model withIndexDo: [ :item :i | envelope with: [ :html | (html perform: aSymbol) trap: {i} read: aBlock ]. envjq children detach insertBefore: endjq. ]. envjq remove ! loop: model between: start and: end tag: aSymbol do: aBlock (start asJQuery nextUntil: end element) remove. start with: [ :html | model ifNotNil: [ self envelope: html div loop: model before: end asJQuery tag: aSymbol do: aBlock ]] ! ! TrappedSingleton subclass: #TrappedPathStack instanceVariableNames: 'elements' package: 'Trapped-Frontend'! !TrappedPathStack methodsFor: 'accessing'! elements ^elements ! ! !TrappedPathStack methodsFor: 'descending'! append: anArray do: aBlock self with: elements, anArray do: aBlock ! with: anArray do: aBlock | old | old := elements. [ elements := anArray. aBlock value ] ensure: [ elements := old ] ! ! !TrappedPathStack methodsFor: 'initialization'! initialize super initialize. elements := #(). ! ! Object subclass: #TrappedSnapshot instanceVariableNames: 'path model' package: 'Trapped-Frontend'! !TrappedSnapshot methodsFor: 'accessing'! model ^model ! path ^path ! path: anArray model: aTrappedMW path := anArray. model := aTrappedMW ! ! !TrappedSnapshot methodsFor: 'action'! do: aBlock TrappedPathStack current with: path do: [ aBlock value: model ] ! modify: aBlock self model modify: self path allButFirst do: aBlock ! ! !Array methodsFor: '*Trapped-Frontend'! trapDescend: aBlock Trapped current descend: self snapshotDo: aBlock ! ! !HTMLCanvas methodsFor: '*Trapped-Frontend'! trapIter: path tag: aSymbol do: aBlock | start end | self with: [ :html | start := html script. end := html script ]. start trap: path read: [ :model | Trapped loop: model between: start and: end tag: aSymbol do: aBlock. ] ! ! !TagBrush methodsFor: '*Trapped-Frontend'! trap: path (Trapped current binder: self) installFor: path ! trap: path read: aBlock path trapDescend: [ :snap | snap model watch: snap path allButFirst do: [ :data | (self asJQuery closest: 'html') toArray isEmpty ifTrue: [ KeyedPubSubUnsubscribe signal ]. snap do: [ self with: [ :html | aBlock value: data value: html ] ] ] ] ! trapGuard: anArray contents: aBlock #() trapDescend: [ :snap | | shown | shown := nil. self trap: anArray read: [ :gdata | | sanitized | sanitized := gdata ifNil: [ false ]. shown = sanitized ifFalse: [ shown := sanitized. shown ifTrue: [ snap do: [ self contents: aBlock ]. self asJQuery show ] ifFalse: [ self asJQuery hide; empty ] ] ] ] ! !