| 1 | /* |
| 2 | * Copyright 2006 SDQ Research Group, University of Karlsruhe (TH) |
| 3 | */ |
| 4 | package de.uka.ipd.sdq.pcm.gmf.seff.navigator; |
| 5 | |
| 6 | import java.util.ArrayList; |
| 7 | import java.util.Collection; |
| 8 | import java.util.HashMap; |
| 9 | import java.util.Iterator; |
| 10 | |
| 11 | import org.eclipse.core.resources.IFile; |
| 12 | import org.eclipse.emf.common.util.URI; |
| 13 | import org.eclipse.emf.ecore.EObject; |
| 14 | import org.eclipse.emf.ecore.resource.Resource; |
| 15 | import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain; |
| 16 | import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider; |
| 17 | import org.eclipse.emf.transaction.TransactionalEditingDomain; |
| 18 | import org.eclipse.emf.workspace.util.WorkspaceSynchronizer; |
| 19 | import org.eclipse.gmf.runtime.emf.core.GMFEditingDomainFactory; |
| 20 | import org.eclipse.jface.viewers.Viewer; |
| 21 | import org.eclipse.ui.IMemento; |
| 22 | import org.eclipse.ui.navigator.ICommonContentExtensionSite; |
| 23 | import org.eclipse.ui.navigator.ICommonContentProvider; |
| 24 | |
| 25 | import de.uka.ipd.sdq.pcm.gmf.seff.part.PalladioComponentModelSeffDiagramEditorPlugin; |
| 26 | |
| 27 | /** |
| 28 | * @generated |
| 29 | */ |
| 30 | public class PalladioComponentModelDomainNavigatorContentProvider implements |
| 31 | ICommonContentProvider { |
| 32 | |
| 33 | /** |
| 34 | * @generated |
| 35 | */ |
| 36 | private AdapterFactoryContentProvider myAdapterFctoryContentProvier; |
| 37 | |
| 38 | /** |
| 39 | * @generated |
| 40 | */ |
| 41 | private static final Object[] EMPTY_ARRAY = new Object[0]; |
| 42 | |
| 43 | /** |
| 44 | * @generated |
| 45 | */ |
| 46 | private Viewer myViewer; |
| 47 | |
| 48 | /** |
| 49 | * @generated |
| 50 | */ |
| 51 | private AdapterFactoryEditingDomain myEditingDomain; |
| 52 | |
| 53 | /** |
| 54 | * @generated |
| 55 | */ |
| 56 | private WorkspaceSynchronizer myWorkspaceSynchronizer; |
| 57 | |
| 58 | /** |
| 59 | * @generated |
| 60 | */ |
| 61 | private Runnable myViewerRefreshRunnable; |
| 62 | |
| 63 | /** |
| 64 | * @generated |
| 65 | */ |
| 66 | public PalladioComponentModelDomainNavigatorContentProvider() { |
| 67 | myAdapterFctoryContentProvier = new AdapterFactoryContentProvider( |
| 68 | PalladioComponentModelSeffDiagramEditorPlugin.getInstance() |
| 69 | .getItemProvidersAdapterFactory()); |
| 70 | TransactionalEditingDomain editingDomain = GMFEditingDomainFactory.INSTANCE |
| 71 | .createEditingDomain(); |
| 72 | myEditingDomain = (AdapterFactoryEditingDomain) editingDomain; |
| 73 | myEditingDomain.setResourceToReadOnlyMap(new HashMap() { |
| 74 | public Object get(Object key) { |
| 75 | if (!containsKey(key)) { |
| 76 | put(key, Boolean.TRUE); |
| 77 | } |
| 78 | return super.get(key); |
| 79 | } |
| 80 | }); |
| 81 | myViewerRefreshRunnable = new Runnable() { |
| 82 | public void run() { |
| 83 | if (myViewer != null) { |
| 84 | myViewer.refresh(); |
| 85 | } |
| 86 | } |
| 87 | }; |
| 88 | myWorkspaceSynchronizer = new WorkspaceSynchronizer(editingDomain, |
| 89 | new WorkspaceSynchronizer.Delegate() { |
| 90 | public void dispose() { |
| 91 | } |
| 92 | |
| 93 | public boolean handleResourceChanged(final Resource resource) { |
| 94 | for (Iterator it = myEditingDomain.getResourceSet() |
| 95 | .getResources().iterator(); it.hasNext();) { |
| 96 | Resource nextResource = (Resource) it.next(); |
| 97 | nextResource.unload(); |
| 98 | } |
| 99 | if (myViewer != null) { |
| 100 | myViewer.getControl().getDisplay().asyncExec( |
| 101 | myViewerRefreshRunnable); |
| 102 | } |
| 103 | return true; |
| 104 | } |
| 105 | |
| 106 | public boolean handleResourceDeleted(Resource resource) { |
| 107 | for (Iterator it = myEditingDomain.getResourceSet() |
| 108 | .getResources().iterator(); it.hasNext();) { |
| 109 | Resource nextResource = (Resource) it.next(); |
| 110 | nextResource.unload(); |
| 111 | } |
| 112 | if (myViewer != null) { |
| 113 | myViewer.getControl().getDisplay().asyncExec( |
| 114 | myViewerRefreshRunnable); |
| 115 | } |
| 116 | return true; |
| 117 | } |
| 118 | |
| 119 | public boolean handleResourceMoved(Resource resource, |
| 120 | final URI newURI) { |
| 121 | for (Iterator it = myEditingDomain.getResourceSet() |
| 122 | .getResources().iterator(); it.hasNext();) { |
| 123 | Resource nextResource = (Resource) it.next(); |
| 124 | nextResource.unload(); |
| 125 | } |
| 126 | if (myViewer != null) { |
| 127 | myViewer.getControl().getDisplay().asyncExec( |
| 128 | myViewerRefreshRunnable); |
| 129 | } |
| 130 | return true; |
| 131 | } |
| 132 | }); |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * @generated |
| 137 | */ |
| 138 | public void dispose() { |
| 139 | myWorkspaceSynchronizer.dispose(); |
| 140 | myWorkspaceSynchronizer = null; |
| 141 | myViewerRefreshRunnable = null; |
| 142 | for (Iterator it = myEditingDomain.getResourceSet().getResources() |
| 143 | .iterator(); it.hasNext();) { |
| 144 | Resource resource = (Resource) it.next(); |
| 145 | resource.unload(); |
| 146 | } |
| 147 | ((TransactionalEditingDomain) myEditingDomain).dispose(); |
| 148 | myEditingDomain = null; |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * @generated |
| 153 | */ |
| 154 | public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| 155 | myViewer = viewer; |
| 156 | } |
| 157 | |
| 158 | /** |
| 159 | * @generated |
| 160 | */ |
| 161 | public Object[] getElements(Object inputElement) { |
| 162 | return getChildren(inputElement); |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * @generated |
| 167 | */ |
| 168 | public void restoreState(IMemento aMemento) { |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * @generated |
| 173 | */ |
| 174 | public void saveState(IMemento aMemento) { |
| 175 | } |
| 176 | |
| 177 | /** |
| 178 | * @generated |
| 179 | */ |
| 180 | public void init(ICommonContentExtensionSite aConfig) { |
| 181 | } |
| 182 | |
| 183 | /** |
| 184 | * @generated |
| 185 | */ |
| 186 | public Object[] getChildren(Object parentElement) { |
| 187 | if (parentElement instanceof IFile) { |
| 188 | IFile file = (IFile) parentElement; |
| 189 | URI fileURI = URI.createPlatformResourceURI(file.getFullPath() |
| 190 | .toString(), true); |
| 191 | Resource resource = myEditingDomain.getResourceSet().getResource( |
| 192 | fileURI, true); |
| 193 | return wrapEObjects(myAdapterFctoryContentProvier |
| 194 | .getChildren(resource), parentElement); |
| 195 | } |
| 196 | |
| 197 | if (parentElement instanceof PalladioComponentModelDomainNavigatorItem) { |
| 198 | return wrapEObjects( |
| 199 | myAdapterFctoryContentProvier |
| 200 | .getChildren(((PalladioComponentModelDomainNavigatorItem) parentElement) |
| 201 | .getEObject()), parentElement); |
| 202 | } |
| 203 | return EMPTY_ARRAY; |
| 204 | } |
| 205 | |
| 206 | /** |
| 207 | * @generated |
| 208 | */ |
| 209 | public Object[] wrapEObjects(Object[] objects, Object parentElement) { |
| 210 | Collection result = new ArrayList(); |
| 211 | for (int i = 0; i < objects.length; i++) { |
| 212 | if (objects[i] instanceof EObject) { |
| 213 | result.add(new PalladioComponentModelDomainNavigatorItem( |
| 214 | (EObject) objects[i], parentElement, |
| 215 | myAdapterFctoryContentProvier)); |
| 216 | } |
| 217 | } |
| 218 | return result.toArray(); |
| 219 | } |
| 220 | |
| 221 | /** |
| 222 | * @generated |
| 223 | */ |
| 224 | public Object getParent(Object element) { |
| 225 | if (element instanceof PalladioComponentModelAbstractNavigatorItem) { |
| 226 | PalladioComponentModelAbstractNavigatorItem abstractNavigatorItem = (PalladioComponentModelAbstractNavigatorItem) element; |
| 227 | return abstractNavigatorItem.getParent(); |
| 228 | } |
| 229 | return null; |
| 230 | } |
| 231 | |
| 232 | /** |
| 233 | * @generated |
| 234 | */ |
| 235 | public boolean hasChildren(Object element) { |
| 236 | return element instanceof IFile || getChildren(element).length > 0; |
| 237 | } |
| 238 | |
| 239 | } |