Copy & paste suport in the model.

src/Grafoscopio/GrafoscopioGUI.class.st

@@ -22,21 +22,11 @@ Class {
 	#classInstVars : [
 		'dockingBar',
 		'recentNotebooks',
-		'cacheNode'
+		'nodesClipboard'
 	],
 	#category : #'Grafoscopio-UI'
 }
 
-{ #category : #accessing }
-GrafoscopioGUI class >> cacheNode [
-	^ cacheNode
-]
-
-{ #category : #accessing }
-GrafoscopioGUI class >> cacheNode: anObject [
-	cacheNode := anObject
-]
-
 { #category : #specs }
 GrafoscopioGUI class >> defaultSpec [
 	<spec: #default>
@@ -389,6 +379,16 @@ GrafoscopioGUI class >> messageNotImplementedYet [
 		title: 'No implementado aún'.
 ]
 
+{ #category : #accessing }
+GrafoscopioGUI class >> nodesClipboard [
+	^ nodesClipboard
+]
+
+{ #category : #accessing }
+GrafoscopioGUI class >> nodesClipboard: anObject [
+	nodesClipboard := anObject
+]
+
 { #category : #'graphical interface' }
 GrafoscopioGUI class >> open [
 	^ self new open

src/Grafoscopio/GrafoscopioNode.class.st

@@ -246,6 +246,12 @@ GrafoscopioNode >> content: anObject [
 	body := anObject
 ]
 
+{ #category : #'add/remove nodes' }
+GrafoscopioNode >> copyToClipboard [	
+	GrafoscopioGUI nodesClipboard: self copy.
+	
+]
+
 { #category : #movement }
 GrafoscopioNode >> demote [
 	"Moves the current node down in the hierachy, making a children of its current previous slibing"
@@ -368,9 +374,10 @@ GrafoscopioNode >> initialize [
 	"Creates a empty new node"
 	
 	super initialize.
-	self header: 'newHeader'.
-	self body: ''.
-	self key: ''
+	self 
+		header: 'newHeader';
+		body: '';
+		level: 0
 ]
 
 { #category : #accessing }
@@ -532,6 +539,14 @@ GrafoscopioNode >> parent: aNode [
 	parent := aNode
 ]
 
+{ #category : #'add/remove nodes' }
+GrafoscopioNode >> pasteFromClipboard [	
+	GrafoscopioGUI nodesClipboard 
+		ifNotNil: [ self addNode: GrafoscopioGUI nodesClipboard ]
+		ifNil: [ self inform: 'Cache is emtpy. Pleas cut/copy a node before pasting' ]
+	
+]
+
 { #category : #exporting }
 GrafoscopioNode >> preorderTraversal [
 	nodesInPreorder := OrderedCollection new.