Fix #198 and #199

src/Molecule-IDE/MolImplementationsPresenter.class.st

@@ -46,6 +46,15 @@ MolImplementationsPresenter >> initializePresenters [
 		self iconNamed: elem systemIconName ]
 ]
 
+{ #category : #initialization }
+MolImplementationsPresenter >> listImplementations: aComponentType [
+	"necessary to use a Collection or one of its subclasses (Array in this case) to retrieve implementations of the selected Type Trait"
+
+	(aComponentType = '' or: aComponentType = OrderedCollection new)
+		ifFalse: [
+			^ (MolUtils allComponentImplementationClassesOfType: aComponentType) asArray ]
+]
+
 { #category : #initialization }
 MolImplementationsPresenter >> title [
 

src/Molecule-Tests/MolCompleteComponentChild2Impl.class.st

@@ -0,0 +1,5 @@
+Class {
+	#name : #MolCompleteComponentChild2Impl,
+	#superclass : #MolCompleteComponentImpl,
+	#category : #'Molecule-Tests-Resources - Components'
+}

src/Molecule-Tests/MolUtilsTest.class.st

@@ -55,6 +55,12 @@ MolUtilsTest >> testActivateComponents [
 	self assert: (homeServices isWaitingForActivation: MolCompleteComponentImpl) equals: false.
 ]
 
+{ #category : #tests }
+MolUtilsTest >> testAllComponentImplementationClassesOfType [
+
+	self assert: (MolUtils allComponentImplementationClassesOfType: MolCompleteComponent) size equals: 5.
+]
+
 { #category : #tests }
 MolUtilsTest >> testAllComponentInstancesOfType [
 
@@ -71,6 +77,24 @@ MolUtilsTest >> testAllComponentInstancesOfType [
 	self assert: (MolUtils allComponentInstancesOfType: MolCompleteComponent) size = 4.
 
 
+]
+
+{ #category : #tests }
+MolUtilsTest >> testAllComponentInstancesOfType2 [
+
+	self assert: (MolUtils allComponentInstancesOfType: MolCompleteComponent) isEmpty.
+
+	MolUtils startComponent: MolCompleteComponentChild2Impl named: #compA.
+	MolUtils startComponent: MolCompleteComponentChild2Impl named: #compB.
+	MolUtils startComponent: MolCompleteComponentChild2Impl named: #compC.
+
+	self assert: (MolUtils allComponentInstancesOfType: MolCompleteComponent) size = 3.
+
+	MolUtils startComponent: MolCompleteComponentChild2Impl named: #compD.
+
+	self assert: (MolUtils allComponentInstancesOfType: MolCompleteComponent) size = 4.
+
+
 ]
 
 { #category : #tests }

src/Molecule/MolUtils.class.st

@@ -30,21 +30,41 @@ MolUtils class >> activateComponents: aComponentClassList [
 	].
 ]
 
+{ #category : #accessing }
+MolUtils class >> allComponentImplementationClassesOfType: aComponentType [
+	"Return a list of component Class which are implemented a component Type"
+
+	| list |
+	list := Set new.	
+	aComponentType users do:[ :class |
+		"class should be another trait or a component impl class"
+		class isTrait 
+			ifFalse:[ 
+				list add: class. 
+				list addAll: (class allSubclasses) ] 
+			ifTrue:[ list addAll: (self allComponentImplementationClassesOfType: class) ].
+	].
+
+	^ list asOrderedCollection
+]
+
 { #category : #accessing }
 MolUtils class >> allComponentInstancesOfType: aComponentType [
 
-	| oc homeServices |
+	| oc homeServices classes |
 	(aComponentType notNil and:[aComponentType isTrait and:[aComponentType isComponentType]]) ifFalse:[^OrderedCollection new].
 
 	oc := OrderedCollection new.
 	homeServices := MolComponentManager default homeServices.
-	aComponentType users do:[ :class | 
-		(homeServices isDeployedComponent: class) ifTrue:[
-			oc addAll: (homeServices deployedComponents at: class) values.
+
+	classes := self allComponentImplementationClassesOfType: aComponentType.
+	classes do:[ :c |
+		(homeServices isDeployedComponent: c) ifTrue:[				
+			oc addAll: (homeServices deployedComponents at: c) values.
 		]
 	].
 
-	^oc
+	^ oc
 ]
 
 { #category : #private }