Exportation of subtrees, a feature that was described since the first versions of the Spanish manual, is finally available! Now it needs to be documented in the English Manual, that will be the base for future Spanish versions (full cycle :-)).

src/Grafoscopio/GrafoscopioNode.class.st

@@ -390,22 +390,6 @@ GrafoscopioNode >> exportDecoratedCodeBlockTo: aStream [
 	^aStream contents 
 ]
 
-{ #category : #exporting }
-GrafoscopioNode >> exportPreambleOldTo: aStream [
-	"comment stating purpose of message"
-	| configDict |
-	(self header = '%config')
-		ifTrue: [ 
-			configDict := STON fromString: (self body).
-	
-			aStream nextPutAll: 'title: ', (configDict at: 'title'); lf.
-			aStream nextPutAll: 'author: ', ((configDict at: 'author') at: 'given'), ' ', ((configDict at: 'author') at: 'family'); lf.
-			aStream nextPutAll: 'bibliography: ', (configDict at: 'bibliography'); lf.
-			aStream nextPutAll: 'abstract: ', '|'; lf; nextPutAll: (configDict at: 'abstract'); lf.
-		].
-	aStream nextPutAll: '---'; lf.
-]
-
 { #category : #exporting }
 GrafoscopioNode >> exportPreambleTo: aStream [
 	"comment stating purpose of message"

src/Grafoscopio/GrafoscopioNotebook.class.st

@@ -160,6 +160,16 @@ GrafoscopioNotebook >> exportAsSton: aNotebook on: aFileStream [
 	aFileStream nextPutAll: stonPrettyString
 ]
 
+{ #category : #persistence }
+GrafoscopioNotebook >> exportNode: aGrafoscopioNode asMarkdownIn: aFile [
+	"I export the current tree/document to a markdown file"
+	aFile exists ifTrue: [ aFile delete ].
+	aFile 
+		ensureCreateFile;
+		writeStreamDo: [:stream | stream nextPutAll: aGrafoscopioNode asMarkdown].
+	self inform: ('Exported as: ', String cr, aFile fullName)
+]
+
 { #category : #api }
 GrafoscopioNotebook >> extent [
 	^900@500
@@ -247,6 +257,19 @@ GrafoscopioNotebook >> moveNodeBefore [
 	self notebookContent: notebook
 ]
 
+{ #category : #utilities }
+GrafoscopioNotebook >> navigateRelativePathFor: aFileString [
+	"Given a relative path according to location of the notebook's workingFile, I navigate to that file"
+
+	| finalLocation |
+	finalLocation := workingFile parent.
+	(aFileString splitOn: '/') do: [ :segment | 
+		(segment = '..') 
+			ifTrue: [ finalLocation := finalLocation parent ]
+			ifFalse: [finalLocation := finalLocation / segment]].
+	^ finalLocation
+]
+
 { #category : #accessing }
 GrafoscopioNotebook >> notebook [
 	^ notebook
@@ -528,6 +551,15 @@ GrafoscopioNotebook >> saveWorkingNotebook [
 	
 ]
 
+{ #category : #persistence }
+GrafoscopioNotebook >> subTreeAsMarkdown [
+	| currentNode exportedFile |
+	currentNode := tree highlightedItem content.
+	currentNode links last ifNil: [ ^self ]. 
+	exportedFile:= self navigateRelativePathFor: currentNode links last.
+	self exportNode: currentNode  asMarkdownIn: exportedFile
+]
+
 { #category : #'editing nodes' }
 GrafoscopioNotebook >> toggleCodeNode [
 	| currentNode |
@@ -630,9 +662,15 @@ GrafoscopioNotebook >> topBar [
 			group addItem: [ :item |
 				item 
 					name: nil;
-					description: 'Load link';
+					description: 'Reload link';
 					icon: Smalltalk ui icons glamorousRefresh;
-					action: [ self updateForSpecialLinks ] ].	
+					action: [ self updateForSpecialLinks ] ].
+			group addItem: [ :item |
+				item 
+					name: nil;
+					description: 'Export subtree';
+					icon: Smalltalk ui icons glamorousMore;
+					action: [ self subTreeAsMarkdown ] ].	
 			group addItem: [ :item |
 				item 
 					name: nil;