ST6RI-628 Added dependency syntax to the KerML grammar.

Also fixed:
- getTarget computation in DependencyImpl.
- Outline tree generation for filtered imports.

Author: seidewitz

kerml/src/examples/Simple Tests/Dependencies.kerml

@@ -0,0 +1,22 @@
+package Dependencies {
+	
+	package System {
+		package 'Application Layer';
+		package 'Service Layer';
+		package 'Data Layer';
+	}
+	
+	import System::*;
+	
+//	dependency Use from 'Application Layer' to 'Service Layer';
+//	dependency from 'Service Layer' to 'Data Layer';
+	
+	feature x;
+	feature y;
+	feature z;
+	
+	dependency z to x, y {
+		feature e;
+	}
+	
+}

org.omg.kerml.xpect.tests/src/org/omg/kerml/xpect/tests/parsing/ParsingTests_Dependencies.kerml.xt

@@ -0,0 +1,39 @@
+//* XPECT_SETUP org.omg.kerml.xpect.tests.parsing.KerMLParsingTest
+        ResourceSet {
+                ThisFile {}
+                File {from ="/library/Base.kerml"}
+
+        }
+        Workspace {
+                JavaProject {
+                        SrcFolder {
+                                ThisFile {}
+                                File {from ="/library/Base.kerml"}
+
+                        }
+                }
+        }
+END_SETUP
+*/
+
+// XPECT noErrors ---> ""
+package DependencyTest {
+	
+	package System {
+		package 'Application Layer';
+		package 'Service Layer';
+		package 'Data Layer';
+	}
+	
+	import System::*;
+	
+	dependency Use from 'Application Layer' to 'Service Layer';
+	dependency from 'Service Layer' to 'Data Layer';
+	
+	feature x;
+	feature y;
+	feature z;
+	
+	dependency z to x, y;
+	
+}

org.omg.kerml.xtext.ui/src/org/omg/kerml/xtext/ui/outline/KerMLOutlineTreeProvider.xtend

@@ -147,18 +147,11 @@ class KerMLOutlineTreeProvider extends DefaultOutlineTreeProvider {
 		if (import_.visibility !== null) {
 			text += ' ' + import_.visibility._text
 		}
-		var imp = import_
-		if (import_.importedNamespace?.owningRelationship === import_) {
-			if (!import_.importedNamespace.ownedImport.isEmpty) {
-				imp = import_.importedNamespace.ownedImport.get(0) as NamespaceImport
-				text = text + ' filter'
-			}
-		}
-		if (imp.importedNamespace?.declaredName !== null) {
-			text += ' ' + imp.importedNamespace.declaredName
+		if (import_.importedNamespace?.declaredName !== null) {
+			text += ' ' + import_.importedNamespace.declaredName
 		}
 		text += "::*"
-		if (imp.isRecursive) {
+		if (import_.isRecursive) {
 			text += "::**"
 		}
 		text