Add hint that an allocation with a task -> HW mapping is required to define task parameters.

refs 2562

org.fortiss.af3.task.ui/trunk/src/org/fortiss/af3/task/ui/editor/.ratings

@@ -7,7 +7,7 @@ OutputPortToTaskOutputPortAllocationTableEditor.java 1080012e6dac5c5e4ea920a5df2
 OutputPortToTaskOutputPortAllocationTableEditorBinding.java fc088c794bb2f19af949a83530485264827ea026 YELLOW
 TaskArchitectureEditor.java 4757a4f54a3ac85e33acb385d1565c917019531e YELLOW
 TaskArchitectureEditorBinding.java 4162f885df649b59e05f8358a995f0064eec9b6d YELLOW
-TaskArchitectureTimingEditor.java f991f582dd1e4462a1a418c1ae08f3ab368cefb8 YELLOW
+TaskArchitectureTimingEditor.java 928f017e17908cb2cf3c11752be0593796284cb0 YELLOW
 TaskArchitectureTimingEditorBinding.java 712e8e99b08bd23ed8284b0b26339088c5b01cd7 YELLOW
 TaskToExecutionUnitTableEditor.java 9d1a8c93749a54fbf0c85ae41731dad72214c94a YELLOW
 TaskToExecutionUnitTableEditorBinding.java 7ad6f28ac297dfe14c3105960e0f0b6752dffd7e YELLOW

org.fortiss.af3.task.ui/trunk/src/org/fortiss/af3/task/ui/editor/TaskArchitectureTimingEditor.java

@@ -36,6 +36,7 @@ import org.eclipse.emf.ecore.EObject;
 import org.eclipse.jface.viewers.ComboViewer;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Label;
 import org.fortiss.af3.allocation.model.AllocationTable;
 import org.fortiss.af3.allocation.model.AllocationTableCollection;
 import org.fortiss.af3.allocation.ui.editor.AllocationTableEditorGUI;
@@ -72,7 +73,9 @@ public class TaskArchitectureTimingEditor extends ModelListenerEditorBase<TaskAr
 	@Override
 	public void dispose() {
 		super.dispose();
-		taskWcetTableEditor.dispose();
+		if(taskWcetTableEditor != null) {
+			taskWcetTableEditor.dispose();
+		}
 	}
 
 	/**
@@ -149,12 +152,17 @@ public class TaskArchitectureTimingEditor extends ModelListenerEditorBase<TaskAr
 		setupModelSelectionComboBox(gui.getComboViewerAllocation(),
 				this::setWcetTableFromRootElement, this::getWcetTableRootElement);
 
-		taskWcetTableEditor = new TaskWcetTableEditor(getEditedObject());
-		taskWcetTableEditor.createPartControl(gui.getWcetTableComposite());
+		if(!getTaskAllocationTableCollections().isEmpty()) {
+			taskWcetTableEditor = new TaskWcetTableEditor(getEditedObject());
+			taskWcetTableEditor.createPartControl(gui.getWcetTableComposite());
 
-		final AllocationTableEditorGUI taskWcetTableEditorGui = taskWcetTableEditor.getGUI();
-		taskWcetTableEditorGui.getComboViewerSource().getControl().setEnabled(false);
-		taskWcetTableEditorGui.getComboViewerTarget().getControl().setEnabled(false);
+			final AllocationTableEditorGUI taskWcetTableEditorGui = taskWcetTableEditor.getGUI();
+			taskWcetTableEditorGui.getComboViewerSource().getControl().setEnabled(false);
+			taskWcetTableEditorGui.getComboViewerTarget().getControl().setEnabled(false);
+		} else {
+			Label label2 = new Label(gui.getWcetTableComposite(), SWT.NONE);
+			label2.setText("\n\n\n  Please create an Allocation with a Task to Hardware mapping in order to define task parameters (and restart this editor).");
+		}
 
 		refresh();
 		super.createPartControl(parent);