| 1 | /* |
| 2 | * Copyright 2007, IPD, SDQ, University of Karlsruhe |
| 3 | */ |
| 4 | package de.uka.ipd.sdq.pcm.gmf.repository.edit.policies; |
| 5 | |
| 6 | import java.io.IOException; |
| 7 | import java.lang.reflect.InvocationTargetException; |
| 8 | import java.util.Iterator; |
| 9 | |
| 10 | import org.eclipse.core.commands.ExecutionException; |
| 11 | import org.eclipse.core.runtime.CoreException; |
| 12 | import org.eclipse.core.runtime.IAdaptable; |
| 13 | import org.eclipse.core.runtime.IProgressMonitor; |
| 14 | import org.eclipse.emf.common.ui.URIEditorInput; |
| 15 | import org.eclipse.emf.common.util.URI; |
| 16 | import org.eclipse.emf.ecore.EObject; |
| 17 | import org.eclipse.emf.ecore.resource.Resource; |
| 18 | import org.eclipse.emf.ecore.util.EcoreUtil; |
| 19 | import org.eclipse.emf.transaction.util.TransactionUtil; |
| 20 | import org.eclipse.gef.EditPart; |
| 21 | import org.eclipse.gef.Request; |
| 22 | import org.eclipse.gef.commands.Command; |
| 23 | import org.eclipse.gmf.runtime.common.core.command.CommandResult; |
| 24 | import org.eclipse.gmf.runtime.diagram.core.preferences.PreferencesHint; |
| 25 | import org.eclipse.gmf.runtime.diagram.core.services.ViewService; |
| 26 | import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy; |
| 27 | import org.eclipse.gmf.runtime.diagram.ui.editpolicies.OpenEditPolicy; |
| 28 | import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand; |
| 29 | import org.eclipse.gmf.runtime.notation.Diagram; |
| 30 | import org.eclipse.gmf.runtime.notation.HintedDiagramLinkStyle; |
| 31 | import org.eclipse.gmf.runtime.notation.NotationPackage; |
| 32 | import org.eclipse.gmf.runtime.notation.Style; |
| 33 | import org.eclipse.gmf.runtime.notation.View; |
| 34 | import org.eclipse.ui.IEditorInput; |
| 35 | import org.eclipse.ui.IWorkbenchPage; |
| 36 | import org.eclipse.ui.PlatformUI; |
| 37 | import org.eclipse.ui.actions.WorkspaceModifyOperation; |
| 38 | |
| 39 | import de.uka.ipd.sdq.pcm.gmf.repository.part.Messages; |
| 40 | import de.uka.ipd.sdq.pcm.gmf.repository.part.PalladioComponentModelDiagramEditorUtil; |
| 41 | import de.uka.ipd.sdq.pcm.gmf.repository.part.PalladioComponentModelRepositoryDiagramEditorPlugin; |
| 42 | |
| 43 | /** |
| 44 | * @generated |
| 45 | */ |
| 46 | public class OpenDiagramEditPolicy extends OpenEditPolicy { |
| 47 | |
| 48 | /** |
| 49 | * @generated |
| 50 | */ |
| 51 | protected Command getOpenCommand(Request request) { |
| 52 | EditPart targetEditPart = getTargetEditPart(request); |
| 53 | if (false == targetEditPart.getModel() instanceof View) { |
| 54 | return null; |
| 55 | } |
| 56 | View view = (View) targetEditPart.getModel(); |
| 57 | Style link = view.getStyle(NotationPackage.eINSTANCE |
| 58 | .getHintedDiagramLinkStyle()); |
| 59 | if (false == link instanceof HintedDiagramLinkStyle) { |
| 60 | return null; |
| 61 | } |
| 62 | return new ICommandProxy(new OpenDiagramCommand( |
| 63 | (HintedDiagramLinkStyle) link)); |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * @generated |
| 68 | */ |
| 69 | private static class OpenDiagramCommand extends |
| 70 | AbstractTransactionalCommand { |
| 71 | |
| 72 | /** |
| 73 | * @generated |
| 74 | */ |
| 75 | private final HintedDiagramLinkStyle diagramFacet; |
| 76 | |
| 77 | /** |
| 78 | * @generated |
| 79 | */ |
| 80 | OpenDiagramCommand(HintedDiagramLinkStyle linkStyle) { |
| 81 | // editing domain is taken for original diagram, |
| 82 | // if we open diagram from another file, we should use another editing domain |
| 83 | super(TransactionUtil.getEditingDomain(linkStyle), |
| 84 | Messages.CommandName_OpenDiagram, null); |
| 85 | diagramFacet = linkStyle; |
| 86 | } |
| 87 | |
| 88 | // FIXME canExecute if !(readOnly && getDiagramToOpen == null), i.e. open works on ro diagrams only when there's associated diagram already |
| 89 | |
| 90 | /** |
| 91 | * @generated |
| 92 | */ |
| 93 | protected CommandResult doExecuteWithResult(IProgressMonitor monitor, |
| 94 | IAdaptable info) throws ExecutionException { |
| 95 | try { |
| 96 | Diagram diagram = getDiagramToOpen(); |
| 97 | if (diagram == null) { |
| 98 | diagram = intializeNewDiagram(); |
| 99 | } |
| 100 | URI uri = EcoreUtil.getURI(diagram); |
| 101 | String editorName = uri.lastSegment() |
| 102 | + "#" + diagram.eResource().getContents().indexOf(diagram); //$NON-NLS-1$ |
| 103 | IEditorInput editorInput = new URIEditorInput(uri, editorName); |
| 104 | IWorkbenchPage page = PlatformUI.getWorkbench() |
| 105 | .getActiveWorkbenchWindow().getActivePage(); |
| 106 | page.openEditor(editorInput, getEditorID()); |
| 107 | return CommandResult.newOKCommandResult(); |
| 108 | } catch (Exception ex) { |
| 109 | throw new ExecutionException("Can't open diagram", ex); |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * @generated |
| 115 | */ |
| 116 | protected Diagram getDiagramToOpen() { |
| 117 | return diagramFacet.getDiagramLink(); |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * @generated |
| 122 | */ |
| 123 | protected Diagram intializeNewDiagram() throws ExecutionException { |
| 124 | Diagram d = ViewService.createDiagram(getDiagramDomainElement(), |
| 125 | getDiagramKind(), getPreferencesHint()); |
| 126 | if (d == null) { |
| 127 | throw new ExecutionException("Can't create diagram of '" |
| 128 | + getDiagramKind() + "' kind"); |
| 129 | } |
| 130 | diagramFacet.setDiagramLink(d); |
| 131 | assert diagramFacet.eResource() != null; |
| 132 | diagramFacet.eResource().getContents().add(d); |
| 133 | EObject container = diagramFacet.eContainer(); |
| 134 | while (container instanceof View) { |
| 135 | ((View) container).persist(); |
| 136 | container = container.eContainer(); |
| 137 | } |
| 138 | try { |
| 139 | new WorkspaceModifyOperation() { |
| 140 | protected void execute(IProgressMonitor monitor) |
| 141 | throws CoreException, InvocationTargetException, |
| 142 | InterruptedException { |
| 143 | try { |
| 144 | for (Iterator it = diagramFacet.eResource() |
| 145 | .getResourceSet().getResources().iterator(); it |
| 146 | .hasNext();) { |
| 147 | Resource nextResource = (Resource) it.next(); |
| 148 | if (nextResource.isLoaded() |
| 149 | && !getEditingDomain().isReadOnly( |
| 150 | nextResource)) { |
| 151 | nextResource |
| 152 | .save(PalladioComponentModelDiagramEditorUtil |
| 153 | .getSaveOptions()); |
| 154 | } |
| 155 | } |
| 156 | } catch (IOException ex) { |
| 157 | throw new InvocationTargetException(ex, |
| 158 | "Save operation failed"); |
| 159 | } |
| 160 | } |
| 161 | }.run(null); |
| 162 | } catch (InvocationTargetException e) { |
| 163 | throw new ExecutionException("Can't create diagram of '" |
| 164 | + getDiagramKind() + "' kind", e); |
| 165 | } catch (InterruptedException e) { |
| 166 | throw new ExecutionException("Can't create diagram of '" |
| 167 | + getDiagramKind() + "' kind", e); |
| 168 | } |
| 169 | return d; |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * @generated |
| 174 | */ |
| 175 | protected EObject getDiagramDomainElement() { |
| 176 | // use same element as associated with EP |
| 177 | return ((View) diagramFacet.eContainer()).getElement(); |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * @generated |
| 182 | */ |
| 183 | protected PreferencesHint getPreferencesHint() { |
| 184 | // XXX prefhint from target diagram's editor? |
| 185 | return PalladioComponentModelRepositoryDiagramEditorPlugin.DIAGRAM_PREFERENCES_HINT; |
| 186 | } |
| 187 | |
| 188 | /** |
| 189 | * @generated |
| 190 | */ |
| 191 | protected String getDiagramKind() { |
| 192 | return "FIXME put GenEditorGenerator.modelID value here"; |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * @generated |
| 197 | */ |
| 198 | protected String getEditorID() { |
| 199 | return "FIXME put GenEditorView.id value here"; |
| 200 | } |
| 201 | } |
| 202 | |
| 203 | } |