Kernel: Increased default zoom levels of graphical editors.

Issue-Ref: 3970
Issue-Url: https://af3-developer.fortiss.org/issues/3970


Signed-off-by: Florian Hoelzl <hoelzl@fortiss.org>

org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/extension/base/LWFXEFEditorBase.java

@@ -27,6 +27,7 @@ import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.ui.IEditorPart;
 import org.fortiss.tooling.common.ui.javafx.lwfxef.DiagramViewer;
+import org.fortiss.tooling.common.ui.javafx.lwfxef.DiagramViewerFeatures;
 import org.fortiss.tooling.common.ui.javafx.lwfxef.DiagramViewerSelection;
 import org.fortiss.tooling.common.ui.javafx.lwfxef.change.Change;
 import org.fortiss.tooling.common.ui.javafx.lwfxef.controller.IControllerFactory;
@@ -68,6 +69,10 @@ public abstract class LWFXEFEditorBase<T extends EObject> extends FXEditorBase<T
 
 		viewer = new DiagramViewer(delegatingModelFactory, delegatingVisualFactory,
 				delegatingControllerFactory, cb -> modelSelected(), chg -> applyModelChange(chg));
+		DiagramViewerFeatures features = viewer.getFeatures();
+		// extend zoom factors
+		features.setZoomFactors(new double[] {0.5, 0.75, 1, 1.5, 2, 4, 6});
+		features.setZoomFactorIndex(2); // Zoom x1
 		customizeViewer();
 		return viewer.getVisualNode();
 	}