| 1 | /* |
| 2 | * Copyright 2007, SDQ, IPD, Uni Karlsruhe (TH) |
| 3 | */ |
| 4 | package de.uka.ipd.sdq.pcm.gmf.composite.edit.policies; |
| 5 | |
| 6 | import java.util.Iterator; |
| 7 | |
| 8 | import org.eclipse.emf.ecore.EAnnotation; |
| 9 | import org.eclipse.emf.ecore.EObject; |
| 10 | import org.eclipse.gef.commands.Command; |
| 11 | import org.eclipse.gef.commands.UnexecutableCommand; |
| 12 | import org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand; |
| 13 | import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand; |
| 14 | import org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand; |
| 15 | import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest; |
| 16 | import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest; |
| 17 | import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest; |
| 18 | import org.eclipse.gmf.runtime.notation.Edge; |
| 19 | import org.eclipse.gmf.runtime.notation.View; |
| 20 | |
| 21 | import de.uka.ipd.sdq.pcm.core.composition.ComposedStructure; |
| 22 | import de.uka.ipd.sdq.pcm.core.composition.CompositionPackage; |
| 23 | import de.uka.ipd.sdq.pcm.gmf.composite.edit.commands.AssemblyConnectorCreateCommand; |
| 24 | import de.uka.ipd.sdq.pcm.gmf.composite.edit.commands.AssemblyConnectorReorientCommand; |
| 25 | import de.uka.ipd.sdq.pcm.gmf.composite.edit.commands.AssemblyConnectorTypeLinkCreateCommand; |
| 26 | import de.uka.ipd.sdq.pcm.gmf.composite.edit.commands.ProvidedDelegationConnectorCreateCommand; |
| 27 | import de.uka.ipd.sdq.pcm.gmf.composite.edit.commands.ProvidedDelegationConnectorReorientCommand; |
| 28 | import de.uka.ipd.sdq.pcm.gmf.composite.edit.commands.ProvidedDelegationConnectorTypeLinkCreateCommand; |
| 29 | import de.uka.ipd.sdq.pcm.gmf.composite.edit.parts.AssemblyConnectorEditPart; |
| 30 | import de.uka.ipd.sdq.pcm.gmf.composite.edit.parts.ProvidedDelegationConnectorEditPart; |
| 31 | import de.uka.ipd.sdq.pcm.gmf.composite.part.PalladioComponentModelVisualIDRegistry; |
| 32 | import de.uka.ipd.sdq.pcm.gmf.composite.providers.PalladioComponentModelElementTypes; |
| 33 | import de.uka.ipd.sdq.pcm.repository.OperationProvidedRole; |
| 34 | import de.uka.ipd.sdq.pcm.repository.OperationRequiredRole; |
| 35 | |
| 36 | /** |
| 37 | * @generated |
| 38 | */ |
| 39 | public class OperationProvidedRoleItemSemanticEditPolicy extends |
| 40 | PalladioComponentModelBaseItemSemanticEditPolicy { |
| 41 | |
| 42 | /** |
| 43 | * @generated |
| 44 | */ |
| 45 | public OperationProvidedRoleItemSemanticEditPolicy() { |
| 46 | super(PalladioComponentModelElementTypes.OperationProvidedRole_3007); |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * @generated |
| 51 | */ |
| 52 | protected Command getDestroyElementCommand(DestroyElementRequest req) { |
| 53 | View view = (View) getHost().getModel(); |
| 54 | CompositeTransactionalCommand cmd = new CompositeTransactionalCommand( |
| 55 | getEditingDomain(), null); |
| 56 | cmd.setTransactionNestingEnabled(false); |
| 57 | for (Iterator it = view.getTargetEdges().iterator(); it.hasNext();) { |
| 58 | Edge incomingLink = (Edge) it.next(); |
| 59 | if (PalladioComponentModelVisualIDRegistry |
| 60 | .getVisualID(incomingLink) == AssemblyConnectorEditPart.VISUAL_ID) { |
| 61 | DestroyElementRequest r = new DestroyElementRequest( |
| 62 | incomingLink.getElement(), false); |
| 63 | cmd.add(new DestroyElementCommand(r)); |
| 64 | cmd.add(new DeleteCommand(getEditingDomain(), incomingLink)); |
| 65 | continue; |
| 66 | } |
| 67 | if (PalladioComponentModelVisualIDRegistry |
| 68 | .getVisualID(incomingLink) == ProvidedDelegationConnectorEditPart.VISUAL_ID) { |
| 69 | DestroyElementRequest r = new DestroyElementRequest( |
| 70 | incomingLink.getElement(), false); |
| 71 | cmd.add(new DestroyElementCommand(r)); |
| 72 | cmd.add(new DeleteCommand(getEditingDomain(), incomingLink)); |
| 73 | continue; |
| 74 | } |
| 75 | } |
| 76 | for (Iterator it = view.getSourceEdges().iterator(); it.hasNext();) { |
| 77 | Edge outgoingLink = (Edge) it.next(); |
| 78 | if (PalladioComponentModelVisualIDRegistry |
| 79 | .getVisualID(outgoingLink) == ProvidedDelegationConnectorEditPart.VISUAL_ID) { |
| 80 | DestroyElementRequest r = new DestroyElementRequest( |
| 81 | outgoingLink.getElement(), false); |
| 82 | cmd.add(new DestroyElementCommand(r)); |
| 83 | cmd.add(new DeleteCommand(getEditingDomain(), outgoingLink)); |
| 84 | continue; |
| 85 | } |
| 86 | } |
| 87 | EAnnotation annotation = view.getEAnnotation("Shortcut"); //$NON-NLS-1$ |
| 88 | if (annotation == null) { |
| 89 | // there are indirectly referenced children, need extra commands: false |
| 90 | addDestroyShortcutsCommand(cmd, view); |
| 91 | // delete host element |
| 92 | cmd.add(new DestroyElementCommand(req)); |
| 93 | } else { |
| 94 | cmd.add(new DeleteCommand(getEditingDomain(), view)); |
| 95 | } |
| 96 | return getGEFWrapper(cmd.reduce()); |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Get the create relationship command or null / UnexecutableCommand instance |
| 101 | * if this is not an valid end for the connector creation. |
| 102 | * |
| 103 | * @generated not |
| 104 | */ |
| 105 | protected Command getCreateRelationshipCommand(CreateRelationshipRequest req) { |
| 106 | if (PalladioComponentModelElementTypes.AssemblyConnector_4004 == req |
| 107 | .getElementType()) { |
| 108 | return req.getTarget() == null ? null |
| 109 | : getCompleteCreateRelationshipCommandAssemblyConnector(req); |
| 110 | } |
| 111 | if (PalladioComponentModelElementTypes.ProvidedDelegationConnector_4006 == req |
| 112 | .getElementType()) { |
| 113 | return req.getTarget() == null ? null |
| 114 | : getCompleteCreateRelationshipCommandProvidedDelegationConnector(req); |
| 115 | } |
| 116 | return super.getCreateRelationshipCommand(req); |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * Get the complete create relationship command |
| 121 | * if the relationship is about an internal assembly connector. |
| 122 | * |
| 123 | * @param req The request object for this command request |
| 124 | * @return The prepared command. |
| 125 | * |
| 126 | * @generated not |
| 127 | */ |
| 128 | protected Command getCompleteCreateRelationshipCommandAssemblyConnector( |
| 129 | CreateRelationshipRequest req) { |
| 130 | EObject sourceEObject = req.getSource(); |
| 131 | EObject targetEObject = req.getTarget(); |
| 132 | if (false == sourceEObject instanceof OperationRequiredRole |
| 133 | || false == targetEObject instanceof OperationProvidedRole) { |
| 134 | return UnexecutableCommand.INSTANCE; |
| 135 | } |
| 136 | OperationRequiredRole source = (OperationRequiredRole) sourceEObject; |
| 137 | OperationProvidedRole target = (OperationProvidedRole) targetEObject; |
| 138 | ComposedStructure container = (ComposedStructure) getRelationshipContainer( |
| 139 | source, CompositionPackage.eINSTANCE.getComposedStructure(), |
| 140 | req.getElementType()); |
| 141 | if (container == null) { |
| 142 | return UnexecutableCommand.INSTANCE; |
| 143 | } |
| 144 | if (!PalladioComponentModelBaseItemSemanticEditPolicy.LinkConstraints |
| 145 | .canCreateAssemblyConnector_4004(container, source, target)) { |
| 146 | return UnexecutableCommand.INSTANCE; |
| 147 | } |
| 148 | if (req.getContainmentFeature() == null) { |
| 149 | req.setContainmentFeature(CompositionPackage.eINSTANCE |
| 150 | .getComposedStructure_Connectors__ComposedStructure()); |
| 151 | } |
| 152 | req.setParameter("PROV_CHILD_CONTEXT", ((View) getHost().getParent() |
| 153 | .getModel()).getElement()); |
| 154 | return getGEFWrapper(new AssemblyConnectorTypeLinkCreateCommand(req, |
| 155 | container, source, target)); |
| 156 | } |
| 157 | |
| 158 | /** |
| 159 | * Get the complete create relationship command |
| 160 | * if the relationship is about a operation provided delegation connector. |
| 161 | * |
| 162 | * @param req The request object for this command request |
| 163 | * @return The prepared command. |
| 164 | * |
| 165 | * @generated not |
| 166 | */ |
| 167 | protected Command getCompleteCreateRelationshipCommandProvidedDelegationConnector( |
| 168 | CreateRelationshipRequest req) { |
| 169 | EObject sourceEObject = req.getSource(); |
| 170 | EObject targetEObject = req.getTarget(); |
| 171 | if (false == sourceEObject instanceof OperationProvidedRole |
| 172 | || false == targetEObject instanceof OperationProvidedRole) { |
| 173 | return UnexecutableCommand.INSTANCE; |
| 174 | } |
| 175 | OperationProvidedRole source = (OperationProvidedRole) sourceEObject; |
| 176 | OperationProvidedRole target = (OperationProvidedRole) targetEObject; |
| 177 | ComposedStructure container = (ComposedStructure) getRelationshipContainer( |
| 178 | source, CompositionPackage.eINSTANCE.getComposedStructure(), |
| 179 | req.getElementType()); |
| 180 | if (container == null) { |
| 181 | return UnexecutableCommand.INSTANCE; |
| 182 | } |
| 183 | if (!PalladioComponentModelBaseItemSemanticEditPolicy.LinkConstraints |
| 184 | .canCreateProvidedDelegationConnector_4006(container, source, |
| 185 | target)) { |
| 186 | return UnexecutableCommand.INSTANCE; |
| 187 | } |
| 188 | if (req.getContainmentFeature() == null) { |
| 189 | req.setContainmentFeature(CompositionPackage.eINSTANCE |
| 190 | .getComposedStructure_Connectors__ComposedStructure()); |
| 191 | } |
| 192 | req.setParameter("CHILD_CONTEXT", ((View) getHost().getParent() |
| 193 | .getModel()).getElement()); |
| 194 | return getGEFWrapper(new ProvidedDelegationConnectorTypeLinkCreateCommand( |
| 195 | req, container, source, target)); |
| 196 | } |
| 197 | |
| 198 | /** |
| 199 | * @generated |
| 200 | */ |
| 201 | protected Command getStartCreateRelationshipCommand( |
| 202 | CreateRelationshipRequest req) { |
| 203 | if (PalladioComponentModelElementTypes.AssemblyConnector_4004 == req |
| 204 | .getElementType()) { |
| 205 | return null; |
| 206 | } |
| 207 | if (PalladioComponentModelElementTypes.ProvidedDelegationConnector_4006 == req |
| 208 | .getElementType()) { |
| 209 | return getGEFWrapper(new ProvidedDelegationConnectorCreateCommand( |
| 210 | req, req.getSource(), req.getTarget())); |
| 211 | } |
| 212 | return null; |
| 213 | } |
| 214 | |
| 215 | /** |
| 216 | * @generated |
| 217 | */ |
| 218 | protected Command getCompleteCreateRelationshipCommand( |
| 219 | CreateRelationshipRequest req) { |
| 220 | if (PalladioComponentModelElementTypes.AssemblyConnector_4004 == req |
| 221 | .getElementType()) { |
| 222 | return getGEFWrapper(new AssemblyConnectorCreateCommand(req, req |
| 223 | .getSource(), req.getTarget())); |
| 224 | } |
| 225 | if (PalladioComponentModelElementTypes.ProvidedDelegationConnector_4006 == req |
| 226 | .getElementType()) { |
| 227 | return getGEFWrapper(new ProvidedDelegationConnectorCreateCommand( |
| 228 | req, req.getSource(), req.getTarget())); |
| 229 | } |
| 230 | return null; |
| 231 | } |
| 232 | |
| 233 | /** |
| 234 | * Returns command to reorient EClass based link. New link target or source |
| 235 | * should be the domain model element associated with this node. |
| 236 | * |
| 237 | * @generated |
| 238 | */ |
| 239 | protected Command getReorientRelationshipCommand( |
| 240 | ReorientRelationshipRequest req) { |
| 241 | switch (getVisualID(req)) { |
| 242 | case AssemblyConnectorEditPart.VISUAL_ID: |
| 243 | return getGEFWrapper(new AssemblyConnectorReorientCommand(req)); |
| 244 | case ProvidedDelegationConnectorEditPart.VISUAL_ID: |
| 245 | return getGEFWrapper(new ProvidedDelegationConnectorReorientCommand( |
| 246 | req)); |
| 247 | } |
| 248 | return super.getReorientRelationshipCommand(req); |
| 249 | } |
| 250 | |
| 251 | } |