diff options
Diffstat (limited to 'incoming/org.eclipse.papyrus.infra.services.labelprovider/src/org/eclipse/papyrus/infra/services/labelprovider/service/impl/LabelProviderServiceImpl.java')
| -rw-r--r-- | incoming/org.eclipse.papyrus.infra.services.labelprovider/src/org/eclipse/papyrus/infra/services/labelprovider/service/impl/LabelProviderServiceImpl.java | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/incoming/org.eclipse.papyrus.infra.services.labelprovider/src/org/eclipse/papyrus/infra/services/labelprovider/service/impl/LabelProviderServiceImpl.java b/incoming/org.eclipse.papyrus.infra.services.labelprovider/src/org/eclipse/papyrus/infra/services/labelprovider/service/impl/LabelProviderServiceImpl.java deleted file mode 100644 index 2a069b13a04..00000000000 --- a/incoming/org.eclipse.papyrus.infra.services.labelprovider/src/org/eclipse/papyrus/infra/services/labelprovider/service/impl/LabelProviderServiceImpl.java +++ /dev/null @@ -1,218 +0,0 @@ -/*****************************************************************************
- * Copyright (c) 2012 CEA LIST.
- *
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
- *****************************************************************************/
-package org.eclipse.papyrus.infra.services.labelprovider.service.impl;
-
-import java.util.HashMap;
-import java.util.Map;
-
-import org.eclipse.core.runtime.IConfigurationElement;
-import org.eclipse.core.runtime.Platform;
-import org.eclipse.jface.viewers.ILabelProvider;
-import org.eclipse.papyrus.infra.core.services.ServiceException;
-import org.eclipse.papyrus.infra.core.services.ServicesRegistry;
-import org.eclipse.papyrus.infra.services.labelprovider.Activator;
-import org.eclipse.papyrus.infra.services.labelprovider.service.ContextualLabelProvider;
-import org.eclipse.papyrus.infra.services.labelprovider.service.ExtensibleLabelProvider;
-import org.eclipse.papyrus.infra.services.labelprovider.service.IFilteredLabelProvider;
-import org.eclipse.papyrus.infra.services.labelprovider.service.LabelProviderService;
-
-/**
- * Default implementation for the LabelProviderService
- *
- * It relies on an ExtensibleLabelProvider. Different label providers can be contributed via
- * an extension point.
- *
- * @author Camille Letavernier
- *
- */
-public class LabelProviderServiceImpl implements LabelProviderService {
-
- private final Map<String, SharedExtensibleLabelProvider> labelProviders = new HashMap<String, SharedExtensibleLabelProvider>();
-
- public static final String EXTENSION_ID = Activator.PLUGIN_ID + ".labelProvider";
-
- /**
- * {@inheritDoc}
- */
- public void init(ServicesRegistry servicesRegistry) throws ServiceException {
- //Nothing
- }
-
- /**
- * {@inheritDoc}
- */
- public void startService() throws ServiceException {
- IConfigurationElement[] config = Platform.getExtensionRegistry().getConfigurationElementsFor(EXTENSION_ID);
-
- readContexts(config);
- readLabelProviders(config);
- }
-
- /**
- * Parses the available contexts from the extension point
- *
- * @param config
- * The extension point IConfigurationElements
- */
- private void readContexts(IConfigurationElement[] config) {
- for(IConfigurationElement e : config) {
- try {
- if("context".equals(e.getName())) {
- String contextId = e.getAttribute("id");
- if(contextId == null) {
- Activator.log.warn("The plug-in " + e.getContributor() + " contributed an invalid extension for " + EXTENSION_ID + ". The context id must be set");
- continue;
- }
-
- if(labelProviders.containsKey(contextId)) {
- Activator.log.warn("The context " + contextId + " is already contributed");
- continue;
- }
-
- /** Associates an empty LabelProvider to the context */
- labelProviders.put(contextId, new SharedExtensibleLabelProvider());
- }
- } catch (Exception ex) {
- Activator.log.error("The plugin " + e.getContributor() + " contributed an invalid extension for " + EXTENSION_ID, ex); //$NON-NLS-1$//$NON-NLS-2$
- }
- }
-
- /**
- * THe default label provider context may have been registered via an extension. Otherwise, we force its creation.
- */
- if(!labelProviders.containsKey(DEFAULT_LABEL_PROVIDER)) {
- labelProviders.put(DEFAULT_LABEL_PROVIDER, new SharedExtensibleLabelProvider());
- }
- }
-
- /**
- * Parses the available label providers from the extension point
- *
- * @param config
- * The extension point IConfigurationElements
- */
- private void readLabelProviders(IConfigurationElement[] config) {
- for(IConfigurationElement e : config) {
- try {
- if("labelProvider".equals(e.getName())) {
- IFilteredLabelProvider provider = (IFilteredLabelProvider)e.createExecutableExtension("provider");
- if(provider == null) {
- Activator.log.warn("The labelProvider class is required");
- continue;
- }
-
- int priority = Integer.parseInt(e.getAttribute("priority"));
-
- IConfigurationElement[] contextElements = e.getChildren("labelProviderContext");
-
- //No context means all contexts
- if(contextElements.length == 0) {
- for(ExtensibleLabelProvider labelProvider : labelProviders.values()) {
- labelProvider.registerProvider(priority, provider);
- }
- } else {
- for(IConfigurationElement contextElement : contextElements) {
- String context = contextElement.getAttribute("context");
- if(context != null) {
- ExtensibleLabelProvider labelProvider = labelProviders.get(context);
- if(labelProvider == null) {
- Activator.log.warn("Unknown label provider context: " + context);
- continue;
- }
-
- labelProvider.registerProvider(priority, provider);
- } else {
- Activator.log.warn("The context for label provider " + e.getAttribute("provider") + " is null");
- }
- }
- }
- }
- } catch (ClassCastException ex) {
- Activator.log.warn("The plug-in " + e.getContributor() + " contributed an invalid extension for " + EXTENSION_ID + ". The labelProvider must implement IFilteredLabelProvider");
- } catch (Exception ex) {
- Activator.log.error("The plugin " + e.getContributor() + " contributed an invalid extension for " + EXTENSION_ID, ex); //$NON-NLS-1$//$NON-NLS-2$
- }
- }
- }
-
- /**
- * {@inheritDoc}
- */
- public void disposeService() throws ServiceException {
- for(SharedExtensibleLabelProvider provider : labelProviders.values()) {
- provider.doDispose();
- }
- this.labelProviders.clear();
- }
-
- /**
- * {@inheritDoc}
- */
- public ILabelProvider getLabelProvider() {
- return getLabelProvider(DEFAULT_LABEL_PROVIDER);
- }
-
- /**
- * {@inheritDoc}
- */
- public ILabelProvider getLabelProvider(String context) {
- if(context == null) {
- return getLabelProvider();
- }
-
- if(!labelProviders.containsKey(context)) {
- Activator.log.warn("Unknown label provider context: " + context + ". The default label provider will be used");
- return getLabelProvider();
- }
- return labelProviders.get(context);
- }
-
- /**
- * {@inheritDoc}
- */
- private class SharedExtensibleLabelProvider extends ExtensibleLabelProvider {
-
- @Override
- public void dispose() {
- //Nothing. The LabelProvider is shared, and JFace viewers dispose their providers
- //when they are disposed.
- //The providers should be disposed only when the service is disposed.
- }
-
- public void doDispose() {
- super.dispose(); //Disposed only when the service is disposed
- }
- }
-
- /**
- * {@inheritDoc}
- */
- public ILabelProvider getLabelProvider(String context, Object contextElement) {
- ILabelProvider provider = getLabelProvider(context);
- if(provider instanceof ContextualLabelProvider) {
- ((ContextualLabelProvider)provider).setContext(contextElement);
- }
- return provider;
- }
-
- /**
- * {@inheritDoc}
- */
- public ILabelProvider getLabelProvider(Object contextElement) {
- ILabelProvider provider = getLabelProvider();
- if(provider instanceof ContextualLabelProvider) {
- ((ContextualLabelProvider)provider).setContext(contextElement);
- }
- return provider;
- }
-
-}
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