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Issue #499: (v3) Overrides Papyrus Compare MergeViewerItemProvider
Signed-off-by: Ernesto Posse <eposse.gmail.com>
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Ernesto Posse
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Jun 24, 2024
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40 changes: 40 additions & 0 deletions
40
...zeligsoft/domain/dds4ccm/ui/compare/contentmergeviewer/provider/DDS4CCMContextTester.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| /** | ||
| * | ||
| */ | ||
| package com.zeligsoft.domain.dds4ccm.ui.compare.contentmergeviewer.provider; | ||
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| import java.util.Map; | ||
| import java.util.WeakHashMap; | ||
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| import org.eclipse.emf.compare.Comparison; | ||
| import org.eclipse.emf.compare.adapterfactory.context.AbstractContextTester; | ||
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| import com.zeligsoft.domain.dds4ccm.ui.compare.internal.context.DDS4CCMContextUtils; | ||
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| /** | ||
| * | ||
| */ | ||
| public class DDS4CCMContextTester extends AbstractContextTester { | ||
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| /** | ||
| * A weak cache of comparisons that have been already been tested. | ||
| */ | ||
| private final Map<Comparison, Boolean> cache = new WeakHashMap<>(); | ||
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| /** | ||
| * {@inheritDoc} | ||
| */ | ||
| public boolean apply(Map<Object, Object> context) { | ||
| Comparison comparison = getComparison(context); | ||
| if (comparison != null) { | ||
| Boolean result = cache.get(comparison); | ||
| if (result == null) { | ||
| result = Boolean.valueOf(DDS4CCMContextUtils.isDDS4CCMContext(comparison)); | ||
| cache.put(comparison, result); | ||
| } | ||
| return result.booleanValue(); | ||
| } | ||
| return false; | ||
| } | ||
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| } |
25 changes: 25 additions & 0 deletions
25
...domain/dds4ccm/ui/compare/contentmergeviewer/provider/DDS4CCMMergeViewerItemProvider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| /** | ||
| * | ||
| */ | ||
| package com.zeligsoft.domain.dds4ccm.ui.compare.contentmergeviewer.provider; | ||
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| import java.util.List; | ||
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| import org.eclipse.emf.compare.ide.ui.internal.contentmergeviewer.provider.CompareAccessorMergeViewerItemProvider; | ||
| import org.eclipse.emf.compare.rcp.ui.contentmergeviewer.accessor.ICompareAccessor; | ||
| import org.eclipse.emf.compare.rcp.ui.mergeviewer.item.provider.IMergeViewerItemProviderConfiguration; | ||
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| /** | ||
| * | ||
| */ | ||
| public class DDS4CCMMergeViewerItemProvider extends CompareAccessorMergeViewerItemProvider { | ||
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| // @Override | ||
| // public List<Object> getMergeViewerItems(Object object, | ||
| // final IMergeViewerItemProviderConfiguration configuration) { | ||
| // final List<Object> mergeViewerItems = super.getMergeViewerItems(object, configuration); | ||
| // | ||
| // return mergeViewerItems; | ||
| // } | ||
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| } |
141 changes: 141 additions & 0 deletions
141
...are/src/com/zeligsoft/domain/dds4ccm/ui/compare/internal/context/DDS4CCMContextUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| /** | ||
| * | ||
| */ | ||
| package com.zeligsoft.domain.dds4ccm.ui.compare.internal.context; | ||
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| import static com.google.common.collect.Collections2.transform; | ||
| import static com.google.common.collect.Iterables.any; | ||
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| import com.google.common.base.Function; | ||
| import com.google.common.base.Predicate; | ||
| import com.google.common.collect.ImmutableSet; | ||
| import com.google.common.collect.ImmutableSet.Builder; | ||
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| import java.util.Collection; | ||
| import java.util.List; | ||
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| import org.eclipse.emf.common.util.URI; | ||
| import org.eclipse.emf.compare.Comparison; | ||
| import org.eclipse.emf.compare.MatchResource; | ||
| import org.eclipse.emf.compare.scope.IComparisonScope2; | ||
| import org.eclipse.emf.ecore.resource.Resource; | ||
| import org.eclipse.emf.ecore.util.EcoreUtil; | ||
| import org.eclipse.papyrus.infra.core.resource.sasheditor.DiModel; | ||
| import org.eclipse.papyrus.uml.tools.model.UmlModel; | ||
| import org.eclipse.uml2.uml.Element; | ||
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| /** | ||
| * | ||
| */ | ||
| public final class DDS4CCMContextUtils { | ||
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| /** The value ".di". */ | ||
| private static final String DI_FILE_EXTENSION = "." + DiModel.DI_FILE_EXTENSION; //$NON-NLS-1$ | ||
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| /** | ||
| * Hidden constructor for this utility class. | ||
| */ | ||
| private DDS4CCMContextUtils() { | ||
| // prevent instantiation | ||
| } | ||
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| /** Predicate specifying whether the given URI string ends with the Papyrus DI file extension. */ | ||
| private static final Predicate<String> ENDS_WITH_PAPYRUS_EXTENSION = new Predicate<String>() { | ||
| public boolean apply(String input) { | ||
| if (input != null) { | ||
| return input.endsWith(DI_FILE_EXTENSION); | ||
| } | ||
| return false; | ||
| } | ||
| }; | ||
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| /** Transforms an URI into the platform string representation. */ | ||
| private static final Function<URI, String> URI_TO_STRING = new Function<URI, String>() { | ||
| public String apply(URI input) { | ||
| String uriString = null; | ||
| if (input != null) { | ||
| uriString = input.toPlatformString(true); | ||
| if (uriString == null) { | ||
| uriString = input.toString(); | ||
| } | ||
| } | ||
| return uriString; | ||
| } | ||
| }; | ||
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| /** | ||
| * Predicate testing whether a {@link Resource} is a UML resource. | ||
| */ | ||
| private static final Predicate<Resource> IS_UML_RESOURCE = new Predicate<Resource>() { | ||
| public boolean apply(Resource input) { | ||
| if (input == null) { | ||
| // Null is not an UML resource | ||
| return false; | ||
| } | ||
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| URI uri = input.getURI(); | ||
| return (uri != null) && UmlModel.UML_FILE_EXTENSION.equals(uri.fileExtension()) | ||
| && !input.getContents().isEmpty() // | ||
| && input.getContents().get(0) instanceof Element; | ||
| } | ||
| }; | ||
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| /** | ||
| * Determines whether the comparison concerns Papyrus models. | ||
| * | ||
| * @param comparison | ||
| * the {@link Comparison} to check. | ||
| * @return {@code true} if the comparison concerns Papyrus models, {@code false} otherwise. | ||
| */ | ||
| public static boolean isDDS4CCMContext(Comparison comparison) { | ||
| final IComparisonScope2 comparisonScope = (IComparisonScope2)EcoreUtil | ||
| .getAdapter(comparison.eAdapters(), IComparisonScope2.class); | ||
| if (comparisonScope != null) { | ||
| return containsPapyrusURI(transform(comparisonScope.getAllInvolvedResourceURIs(), URI_TO_STRING)); | ||
| } | ||
| // Fallback if the scope is not available. This way of determining the Papyrus context is not as | ||
| // accurate since the MatchResources are already minimized. | ||
| return containsPapyrusURI(comparison.getMatchedResources()); | ||
| } | ||
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| /** | ||
| * Specifies whether the given matched resources contain a Papyrus resource. | ||
| * | ||
| * @param matchedResources | ||
| * the list of matched resources to check. | ||
| * @return <code>true</code> if the matched resources contain a Papyrus resources, <code>false</code> | ||
| * otherwise. | ||
| */ | ||
| private static boolean containsPapyrusURI(List<MatchResource> matchedResources) { | ||
| final Builder<String> setBuilder = ImmutableSet.builder(); | ||
| for (MatchResource res : matchedResources) { | ||
| for (String uri : ImmutableSet.of(res.getLeftURI(), res.getRightURI(), res.getOriginURI())) { | ||
| if (uri != null) { | ||
| setBuilder.add(uri); | ||
| } | ||
| } | ||
| } | ||
| return containsPapyrusURI(setBuilder.build()); | ||
| } | ||
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| /** | ||
| * Specifies whether the given URI strings contain a Papyrus resource. | ||
| * | ||
| * @param uris | ||
| * the set of uris to check. | ||
| * @return <code>true</code> if uris contain a Papyrus resources, <code>false</code> otherwise. | ||
| */ | ||
| private static boolean containsPapyrusURI(Collection<String> uris) { | ||
| return any(uris, ENDS_WITH_PAPYRUS_EXTENSION); | ||
| } | ||
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| /** | ||
| * Obtains a predicate testing whether a resource is a UML resource. | ||
| * | ||
| * @return the UML resource predicate | ||
| */ | ||
| public static Predicate<Resource> isUMLResource() { | ||
| return IS_UML_RESOURCE; | ||
| } | ||
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| } |