Java tutorial
/* * Copyright (c) 2012 University of Southampton. * 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 */ package ac.soton.eventb.classdiagrams.diagram.navigator; import org.eclipse.core.runtime.IAdaptable; import org.eclipse.gmf.runtime.common.ui.services.parser.IParser; import org.eclipse.gmf.runtime.common.ui.services.parser.ParserOptions; import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter; import org.eclipse.gmf.runtime.emf.type.core.IElementType; import org.eclipse.gmf.runtime.notation.View; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.resource.ImageRegistry; import org.eclipse.jface.viewers.ITreePathLabelProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.TreePath; import org.eclipse.jface.viewers.ViewerLabel; import org.eclipse.swt.graphics.Image; import org.eclipse.ui.IMemento; import org.eclipse.ui.navigator.ICommonContentExtensionSite; import org.eclipse.ui.navigator.ICommonLabelProvider; import ac.soton.eventb.classdiagrams.Classdiagram; import ac.soton.eventb.classdiagrams.diagram.edit.parts.AssociationEditPart; import ac.soton.eventb.classdiagrams.diagram.edit.parts.AssociationNameEditPart; import ac.soton.eventb.classdiagrams.diagram.edit.parts.ClassAttributeEditPart; import ac.soton.eventb.classdiagrams.diagram.edit.parts.ClassConstraintEditPart; import ac.soton.eventb.classdiagrams.diagram.edit.parts.ClassEditPart; import ac.soton.eventb.classdiagrams.diagram.edit.parts.ClassMethodEditPart; import ac.soton.eventb.classdiagrams.diagram.edit.parts.ClassNameEditPart; import ac.soton.eventb.classdiagrams.diagram.edit.parts.ClassSupertypesEditPart; import ac.soton.eventb.classdiagrams.diagram.edit.parts.ClassdiagramEditPart; import ac.soton.eventb.classdiagrams.diagram.part.ClassdiagramsDiagramEditorPlugin; import ac.soton.eventb.classdiagrams.diagram.part.ClassdiagramsVisualIDRegistry; import ac.soton.eventb.classdiagrams.diagram.providers.ClassdiagramsElementTypes; import ac.soton.eventb.classdiagrams.diagram.providers.ClassdiagramsParserProvider; /** * @generated */ public class ClassdiagramsNavigatorLabelProvider extends LabelProvider implements ICommonLabelProvider, ITreePathLabelProvider { /** * @generated */ static { ClassdiagramsDiagramEditorPlugin.getInstance().getImageRegistry().put("Navigator?UnknownElement", //$NON-NLS-1$ ImageDescriptor.getMissingImageDescriptor()); ClassdiagramsDiagramEditorPlugin.getInstance().getImageRegistry().put("Navigator?ImageNotFound", //$NON-NLS-1$ ImageDescriptor.getMissingImageDescriptor()); } /** * @generated */ public void updateLabel(ViewerLabel label, TreePath elementPath) { Object element = elementPath.getLastSegment(); if (element instanceof ClassdiagramsNavigatorItem && !isOwnView(((ClassdiagramsNavigatorItem) element).getView())) { return; } label.setText(getText(element)); label.setImage(getImage(element)); } /** * @generated */ public Image getImage(Object element) { if (element instanceof ClassdiagramsNavigatorGroup) { ClassdiagramsNavigatorGroup group = (ClassdiagramsNavigatorGroup) element; return ClassdiagramsDiagramEditorPlugin.getInstance().getBundledImage(group.getIcon()); } if (element instanceof ClassdiagramsNavigatorItem) { ClassdiagramsNavigatorItem navigatorItem = (ClassdiagramsNavigatorItem) element; if (!isOwnView(navigatorItem.getView())) { return super.getImage(element); } return getImage(navigatorItem.getView()); } // Due to plugin.xml content will be called only for "own" views if (element instanceof IAdaptable) { View view = (View) ((IAdaptable) element).getAdapter(View.class); if (view != null && isOwnView(view)) { return getImage(view); } } return super.getImage(element); } /** * @generated */ public Image getImage(View view) { switch (ClassdiagramsVisualIDRegistry.getVisualID(view)) { case ClassSupertypesEditPart.VISUAL_ID: return getImage("Navigator?Link?http://soton.ac.uk/models/eventb/classdiagrams/0313?Class?supertypes", //$NON-NLS-1$ ClassdiagramsElementTypes.ClassSupertypes_4006); case AssociationEditPart.VISUAL_ID: return getImage("Navigator?Link?http://soton.ac.uk/models/eventb/classdiagrams/0313?Association", //$NON-NLS-1$ ClassdiagramsElementTypes.Association_4005); case ClassdiagramEditPart.VISUAL_ID: return getImage("Navigator?Diagram?http://soton.ac.uk/models/eventb/classdiagrams/0313?Classdiagram", //$NON-NLS-1$ ClassdiagramsElementTypes.Classdiagram_1000); case ClassConstraintEditPart.VISUAL_ID: return getImage("Navigator?Node?http://soton.ac.uk/models/eventb/classdiagrams/0313?ClassConstraint", //$NON-NLS-1$ ClassdiagramsElementTypes.ClassConstraint_3024); case ClassAttributeEditPart.VISUAL_ID: return getImage("Navigator?Node?http://soton.ac.uk/models/eventb/classdiagrams/0313?ClassAttribute", //$NON-NLS-1$ ClassdiagramsElementTypes.ClassAttribute_3022); case ClassEditPart.VISUAL_ID: return getImage("Navigator?TopLevelNode?http://soton.ac.uk/models/eventb/classdiagrams/0313?Class", //$NON-NLS-1$ ClassdiagramsElementTypes.Class_2003); case ClassMethodEditPart.VISUAL_ID: return getImage("Navigator?Node?http://soton.ac.uk/models/eventb/classdiagrams/0313?ClassMethod", //$NON-NLS-1$ ClassdiagramsElementTypes.ClassMethod_3023); } return getImage("Navigator?UnknownElement", null); //$NON-NLS-1$ } /** * @generated */ private Image getImage(String key, IElementType elementType) { ImageRegistry imageRegistry = ClassdiagramsDiagramEditorPlugin.getInstance().getImageRegistry(); Image image = imageRegistry.get(key); if (image == null && elementType != null && ClassdiagramsElementTypes.isKnownElementType(elementType)) { image = ClassdiagramsElementTypes.getImage(elementType); imageRegistry.put(key, image); } if (image == null) { image = imageRegistry.get("Navigator?ImageNotFound"); //$NON-NLS-1$ imageRegistry.put(key, image); } return image; } /** * @generated */ public String getText(Object element) { if (element instanceof ClassdiagramsNavigatorGroup) { ClassdiagramsNavigatorGroup group = (ClassdiagramsNavigatorGroup) element; return group.getGroupName(); } if (element instanceof ClassdiagramsNavigatorItem) { ClassdiagramsNavigatorItem navigatorItem = (ClassdiagramsNavigatorItem) element; if (!isOwnView(navigatorItem.getView())) { return null; } return getText(navigatorItem.getView()); } // Due to plugin.xml content will be called only for "own" views if (element instanceof IAdaptable) { View view = (View) ((IAdaptable) element).getAdapter(View.class); if (view != null && isOwnView(view)) { return getText(view); } } return super.getText(element); } /** * @generated */ public String getText(View view) { if (view.getElement() != null && view.getElement().eIsProxy()) { return getUnresolvedDomainElementProxyText(view); } switch (ClassdiagramsVisualIDRegistry.getVisualID(view)) { case ClassSupertypesEditPart.VISUAL_ID: return getClassSupertypes_4006Text(view); case AssociationEditPart.VISUAL_ID: return getAssociation_4005Text(view); case ClassdiagramEditPart.VISUAL_ID: return getClassdiagram_1000Text(view); case ClassConstraintEditPart.VISUAL_ID: return getClassConstraint_3024Text(view); case ClassAttributeEditPart.VISUAL_ID: return getClassAttribute_3022Text(view); case ClassEditPart.VISUAL_ID: return getClass_2003Text(view); case ClassMethodEditPart.VISUAL_ID: return getClassMethod_3023Text(view); } return getUnknownElementText(view); } /** * @generated */ private String getClassSupertypes_4006Text(View view) { return ""; //$NON-NLS-1$ } /** * @generated */ private String getAssociation_4005Text(View view) { IParser parser = ClassdiagramsParserProvider.getParser(ClassdiagramsElementTypes.Association_4005, view.getElement() != null ? view.getElement() : view, ClassdiagramsVisualIDRegistry.getType(AssociationNameEditPart.VISUAL_ID)); if (parser != null) { return parser.getPrintString(new EObjectAdapter(view.getElement() != null ? view.getElement() : view), ParserOptions.NONE.intValue()); } else { ClassdiagramsDiagramEditorPlugin.getInstance().logError("Parser was not found for label " + 6004); //$NON-NLS-1$ return ""; //$NON-NLS-1$ } } /** * @generated */ private String getClassdiagram_1000Text(View view) { Classdiagram domainModelElement = (Classdiagram) view.getElement(); if (domainModelElement != null) { return domainModelElement.getName(); } else { ClassdiagramsDiagramEditorPlugin.getInstance() .logError("No domain element for view with visualID = " + 1000); //$NON-NLS-1$ return ""; //$NON-NLS-1$ } } /** * @generated */ private String getClassConstraint_3024Text(View view) { IParser parser = ClassdiagramsParserProvider.getParser(ClassdiagramsElementTypes.ClassConstraint_3024, view.getElement() != null ? view.getElement() : view, ClassdiagramsVisualIDRegistry.getType(ClassConstraintEditPart.VISUAL_ID)); if (parser != null) { return parser.getPrintString(new EObjectAdapter(view.getElement() != null ? view.getElement() : view), ParserOptions.NONE.intValue()); } else { ClassdiagramsDiagramEditorPlugin.getInstance().logError("Parser was not found for label " + 3024); //$NON-NLS-1$ return ""; //$NON-NLS-1$ } } /** * @generated */ private String getClassAttribute_3022Text(View view) { IParser parser = ClassdiagramsParserProvider.getParser(ClassdiagramsElementTypes.ClassAttribute_3022, view.getElement() != null ? view.getElement() : view, ClassdiagramsVisualIDRegistry.getType(ClassAttributeEditPart.VISUAL_ID)); if (parser != null) { return parser.getPrintString(new EObjectAdapter(view.getElement() != null ? view.getElement() : view), ParserOptions.NONE.intValue()); } else { ClassdiagramsDiagramEditorPlugin.getInstance().logError("Parser was not found for label " + 3022); //$NON-NLS-1$ return ""; //$NON-NLS-1$ } } /** * @generated */ private String getClass_2003Text(View view) { IParser parser = ClassdiagramsParserProvider.getParser(ClassdiagramsElementTypes.Class_2003, view.getElement() != null ? view.getElement() : view, ClassdiagramsVisualIDRegistry.getType(ClassNameEditPart.VISUAL_ID)); if (parser != null) { return parser.getPrintString(new EObjectAdapter(view.getElement() != null ? view.getElement() : view), ParserOptions.NONE.intValue()); } else { ClassdiagramsDiagramEditorPlugin.getInstance().logError("Parser was not found for label " + 5007); //$NON-NLS-1$ return ""; //$NON-NLS-1$ } } /** * @generated */ private String getClassMethod_3023Text(View view) { IParser parser = ClassdiagramsParserProvider.getParser(ClassdiagramsElementTypes.ClassMethod_3023, view.getElement() != null ? view.getElement() : view, ClassdiagramsVisualIDRegistry.getType(ClassMethodEditPart.VISUAL_ID)); if (parser != null) { return parser.getPrintString(new EObjectAdapter(view.getElement() != null ? view.getElement() : view), ParserOptions.NONE.intValue()); } else { ClassdiagramsDiagramEditorPlugin.getInstance().logError("Parser was not found for label " + 3023); //$NON-NLS-1$ return ""; //$NON-NLS-1$ } } /** * @generated */ private String getUnknownElementText(View view) { return "<UnknownElement Visual_ID = " + view.getType() + ">"; //$NON-NLS-1$ //$NON-NLS-2$ } /** * @generated */ private String getUnresolvedDomainElementProxyText(View view) { return "<Unresolved domain element Visual_ID = " + view.getType() + ">"; //$NON-NLS-1$ //$NON-NLS-2$ } /** * @generated */ public void init(ICommonContentExtensionSite aConfig) { } /** * @generated */ public void restoreState(IMemento aMemento) { } /** * @generated */ public void saveState(IMemento aMemento) { } /** * @generated */ public String getDescription(Object anElement) { return null; } /** * @generated */ private boolean isOwnView(View view) { return ClassdiagramEditPart.MODEL_ID.equals(ClassdiagramsVisualIDRegistry.getModelID(view)); } }