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Diffstat (limited to 'uml/org.eclipse.papyrus.diagram.common/custom-src/org/eclipse/papyrus/diagram/common/parser/ContainerNameParserWrapper.java')
| -rw-r--r-- | uml/org.eclipse.papyrus.diagram.common/custom-src/org/eclipse/papyrus/diagram/common/parser/ContainerNameParserWrapper.java | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/uml/org.eclipse.papyrus.diagram.common/custom-src/org/eclipse/papyrus/diagram/common/parser/ContainerNameParserWrapper.java b/uml/org.eclipse.papyrus.diagram.common/custom-src/org/eclipse/papyrus/diagram/common/parser/ContainerNameParserWrapper.java new file mode 100644 index 00000000000..a36f46cbc99 --- /dev/null +++ b/uml/org.eclipse.papyrus.diagram.common/custom-src/org/eclipse/papyrus/diagram/common/parser/ContainerNameParserWrapper.java @@ -0,0 +1,199 @@ +/******************************************************************************* + * Copyright (c) 2008 Conselleria de Infraestructuras y Transporte, Generalitat + * de la Comunitat Valenciana . 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: Francisco Javier Cano Muñoz (Prodevelop) – Initial implementation. + * + ******************************************************************************/ +package org.eclipse.papyrus.diagram.common.parser; + +import java.util.Collections; +import java.util.List; + +import org.eclipse.core.runtime.IAdaptable; +import org.eclipse.emf.ecore.EObject; +import org.eclipse.gmf.runtime.common.core.command.ICommand; +import org.eclipse.gmf.runtime.common.core.command.UnexecutableCommand; +import org.eclipse.gmf.runtime.common.ui.services.parser.IParser; +import org.eclipse.gmf.runtime.common.ui.services.parser.IParserEditStatus; +import org.eclipse.gmf.runtime.emf.ui.services.parser.ISemanticParser; +import org.eclipse.gmf.runtime.notation.View; +import org.eclipse.jface.text.contentassist.IContentAssistProcessor; +import org.eclipse.papyrus.diagram.common.util.MDTUtil; + + +// TODO: Auto-generated Javadoc +/** + * A wrapper parser that adds a new line with the name of the container of the parsed element if the container <View> is not the container element of the model. Must be created over another <IParser>. + * Will forward most operations to that <IParser>. + * + * @author <a href="mailto:fjcano@prodevelop.es">Francisco Javier Cano Muñoz</a> + */ +public class ContainerNameParserWrapper implements ISemanticParser { + + /** The Constant NoParserString. */ + private static final String NoParserString = "NO_PARSER"; + + /** The Constant NoContainerName. */ + private static final String NoContainerName = "NO_CONTAINER"; + + /** The real parser. */ + IParser realParser = null; + + /** The view. */ + View view = null; + + /** + * Instantiates a new container name parser wrapper. + * + * @param parser + * the parser + * @param view + * the view + */ + public ContainerNameParserWrapper(IParser parser, View view) { + realParser = parser; + this.view = view; + } + + /* + * (non-Javadoc) + * + * @see org.eclipse.gmf.runtime.emf.ui.services.parser.ISemanticParser#areSemanticElementsAffected(org.eclipse.emf.ecore.EObject, java.lang.Object) + */ + public boolean areSemanticElementsAffected(EObject listener, Object notification) { + if (realParser instanceof ISemanticParser) { + return ((ISemanticParser) realParser).areSemanticElementsAffected(listener, notification); + } + return true; + } + + /* + * (non-Javadoc) + * + * @see org.eclipse.gmf.runtime.emf.ui.services.parser.ISemanticParser#getSemanticElementsBeingParsed(org.eclipse.emf.ecore.EObject) + */ + public List getSemanticElementsBeingParsed(EObject element) { + if (realParser instanceof ISemanticParser) { + return ((ISemanticParser) realParser).getSemanticElementsBeingParsed(element); + } + return Collections.singletonList(element); + } + + /* + * (non-Javadoc) + * + * @see org.eclipse.gmf.runtime.common.ui.services.parser.IParser#getCompletionProcessor(org.eclipse.core.runtime.IAdaptable) + */ + public IContentAssistProcessor getCompletionProcessor(IAdaptable element) { + if (realParser instanceof ISemanticParser) { + return ((ISemanticParser) realParser).getCompletionProcessor(element); + } + return null; + } + + /* + * (non-Javadoc) + * + * @see org.eclipse.gmf.runtime.common.ui.services.parser.IParser#getEditString(org.eclipse.core.runtime.IAdaptable, int) + */ + public String getEditString(IAdaptable element, int flags) { + return realParser != null ? realParser.getEditString(element, flags) : NoParserString; + } + + /* + * (non-Javadoc) + * + * @see org.eclipse.gmf.runtime.common.ui.services.parser.IParser#getParseCommand(org.eclipse.core.runtime.IAdaptable, java.lang.String, int) + */ + public ICommand getParseCommand(IAdaptable element, String newString, int flags) { + return realParser != null ? realParser.getParseCommand(element, newString, flags) : UnexecutableCommand.INSTANCE; + } + + /* + * (non-Javadoc) + * + * @see org.eclipse.gmf.runtime.common.ui.services.parser.IParser#getPrintString(org.eclipse.core.runtime.IAdaptable, int) + */ + public String getPrintString(IAdaptable element, int flags) { + String realString = realParser != null ? realParser.getPrintString(element, flags) : NoParserString; + String containerNameString = getContainerName(element); + return realString + (containerNameString != null ? "\nfrom: " + containerNameString : ""); + } + + /** + * Gets the container name. + * + * @param element + * the element + * + * @return the container name + */ + protected String getContainerName(IAdaptable element) { + Object object = element.getAdapter(EObject.class); + if (object instanceof EObject) { + if (mustShowContainer((EObject) object)) { + return MDTUtil.getObjectName(((EObject) object).eContainer()); + } + } + return null; + } + + /** + * Must show container. + * + * @param eObject + * the e object + * + * @return true, if successful + */ + protected boolean mustShowContainer(EObject eObject) { + if (eObject == null) { + return false; + } + EObject container = eObject.eContainer(); + if (container == null) { + return false; + } + EObject parentViewContainer = getContainerViewEObject(); + return container.equals(parentViewContainer) == false; + } + + /** + * Gets the container view e object. + * + * @return the container view e object + */ + private EObject getContainerViewEObject() { + EObject element = view.getElement(); + View parent = (View) view.eContainer(); + + while (parent != null && parent.getElement() != null && parent.getElement().equals(element)) { + parent = (View) parent.eContainer(); + } + + return parent != null ? parent.getElement() : null; + } + + /* + * (non-Javadoc) + * + * @see org.eclipse.gmf.runtime.common.ui.services.parser.IParser#isAffectingEvent(java.lang.Object, int) + */ + public boolean isAffectingEvent(Object event, int flags) { + return realParser instanceof IParser ? (realParser).isAffectingEvent(event, flags) : true; + } + + /* + * (non-Javadoc) + * + * @see org.eclipse.gmf.runtime.common.ui.services.parser.IParser#isValidEditString(org.eclipse.core.runtime.IAdaptable, java.lang.String) + */ + public IParserEditStatus isValidEditString(IAdaptable element, String editString) { + return realParser instanceof IParser ? (realParser).isValidEditString(element, editString) : null; + } + +} |