| 1 | /* |
| 2 | * Copyright 2007, SDQ, IPD, University of Karlsruhe |
| 3 | */ |
| 4 | package de.uka.ipd.sdq.pcm.gmf.usage.sheet; |
| 5 | |
| 6 | import org.eclipse.core.runtime.IAdaptable; |
| 7 | import org.eclipse.gmf.runtime.emf.type.core.IElementType; |
| 8 | import org.eclipse.gmf.runtime.notation.View; |
| 9 | import org.eclipse.jface.viewers.BaseLabelProvider; |
| 10 | import org.eclipse.jface.viewers.ILabelProvider; |
| 11 | import org.eclipse.jface.viewers.IStructuredSelection; |
| 12 | import org.eclipse.swt.graphics.Image; |
| 13 | |
| 14 | import de.uka.ipd.sdq.pcm.gmf.usage.navigator.PalladioComponentModelNavigatorGroup; |
| 15 | import de.uka.ipd.sdq.pcm.gmf.usage.part.PalladioComponentModelVisualIDRegistry; |
| 16 | import de.uka.ipd.sdq.pcm.gmf.usage.providers.PalladioComponentModelElementTypes; |
| 17 | |
| 18 | /** |
| 19 | * @generated |
| 20 | */ |
| 21 | public class PalladioComponentModelSheetLabelProvider extends BaseLabelProvider |
| 22 | implements ILabelProvider { |
| 23 | |
| 24 | /** |
| 25 | * @generated |
| 26 | */ |
| 27 | public String getText(Object element) { |
| 28 | element = unwrap(element); |
| 29 | if (element instanceof PalladioComponentModelNavigatorGroup) { |
| 30 | return ((PalladioComponentModelNavigatorGroup) element) |
| 31 | .getGroupName(); |
| 32 | } |
| 33 | IElementType etype = getElementType(getView(element)); |
| 34 | return etype == null ? "" : etype.getDisplayName(); |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * @generated |
| 39 | */ |
| 40 | public Image getImage(Object element) { |
| 41 | IElementType etype = getElementType(getView(unwrap(element))); |
| 42 | return etype == null ? null : PalladioComponentModelElementTypes |
| 43 | .getImage(etype); |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * @generated |
| 48 | */ |
| 49 | private Object unwrap(Object element) { |
| 50 | if (element instanceof IStructuredSelection) { |
| 51 | return ((IStructuredSelection) element).getFirstElement(); |
| 52 | } |
| 53 | return element; |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * @generated |
| 58 | */ |
| 59 | private View getView(Object element) { |
| 60 | if (element instanceof View) { |
| 61 | return (View) element; |
| 62 | } |
| 63 | if (element instanceof IAdaptable) { |
| 64 | return (View) ((IAdaptable) element).getAdapter(View.class); |
| 65 | } |
| 66 | return null; |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * @generated |
| 71 | */ |
| 72 | private IElementType getElementType(View view) { |
| 73 | // For intermediate views climb up the containment hierarchy to find the one associated with an element type. |
| 74 | while (view != null) { |
| 75 | int vid = PalladioComponentModelVisualIDRegistry.getVisualID(view); |
| 76 | IElementType etype = PalladioComponentModelElementTypes |
| 77 | .getElementType(vid); |
| 78 | if (etype != null) { |
| 79 | return etype; |
| 80 | } |
| 81 | view = view.eContainer() instanceof View ? (View) view.eContainer() |
| 82 | : null; |
| 83 | } |
| 84 | return null; |
| 85 | } |
| 86 | |
| 87 | } |