grammar org.xtext.example.mydsl.MyDsl with org.eclipse.xtext.common.Terminals

generate myDsl "http://www.xtext.org/example/mydsl/MyDsl"

Model:
	students+=Student*;
	
Student:
	name=ID seatNumber=INT address=STRING subjects=STRING;

@SuppressWarnings("all")
public class MyDslOutlineTreeProvider extends DefaultOutlineTreeProvider {
	@Override
	public void _createChildren(DocumentRootNode parent, EObject modelElement) {
		EObjectNode node = null;
		if (modelElement instanceof Model) {
			EList<Student> students = ((Model) modelElement).getStudents();
			createOutlineNode(students, parent);
		}
	}

	private void createOutlineNode(EList<Student> students, IOutlineNode node) {
		IOutlineNode nodeLocal = null;
		nodeLocal = node;
		for (Student student : students) {
			nodeLocal = (IOutlineNode) createEObjectNode(nodeLocal, student, labelProvider.getImage(student),
					student.getName(), true);
		}
	}
}

00 "Some Statement"
                         01 "Another statemente 2nd level"
                                                      02 "Statement for 3rd level"
                          01 "Some more 2nd level"
                                                      02 "More for 3rd Level"

class MyDslOutlineTreeProvider extends DefaultOutlineTreeProvider {

	override void _createChildren(DocumentRootNode parent, EObject modelElement) {
		var EObjectNode node = null
		if (modelElement instanceof Model) {
			var EList<Student> students = ((modelElement as Model)).getStudents()
			createOutlineNode(students, parent)
		}
	}

	def private void createOutlineNode(EList<Student> students, IOutlineNode node) {
		var IOutlineNode nodeLocal = null
		nodeLocal = node
		var endOffset = if (node.fullTextRegion !== null) {
				node.fullTextRegion.offset + node.fullTextRegion.length
			} else {
				-1
			}

		for (Student student : students) {
			nodeLocal = createEObjectNode(nodeLocal, student, labelProvider.getImage(student), student.getName(),
				true) as IOutlineNode
			if (endOffset !== -1)
				if (nodeLocal instanceof EObjectNode) {
					if (nodeLocal.fullTextRegion !== null) {
						nodeLocal.textRegion = new TextRegion(nodeLocal.fullTextRegion.offset,
							endOffset - nodeLocal.fullTextRegion.offset)
					}

				}
		}
	}

}