Attachment 3028 Details for Bug 25274 – JavaElementAdapterFactory with support for IContainmentAdapter

JavaElementAdapterFactory with support for IContainmentAdapter

JavaElementAdapterFactory.java (text/plain), 5.21 KB, created by Knut Radloff

on 2003-01-17 11:11:04 EST

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Creator: Knut Radloff

Created: 2003-01-17 11:11:04 EST

Size: 5.21 KB

patch

obsolete

>/*
> * (c) Copyright IBM Corp. 2000, 2002.
> * All Rights Reserved.
> */
>
>package org.eclipse.jdt.internal.ui;
>
>
>import org.eclipse.core.resources.IFile;
>import org.eclipse.core.resources.IProject;
>import org.eclipse.core.resources.IResource;
>import org.eclipse.core.runtime.IAdaptable;
>import org.eclipse.core.runtime.IAdapterFactory;
>
>import org.eclipse.ui.*;
>import org.eclipse.ui.IContributorResourceAdapter;
>import org.eclipse.ui.IPersistableElement;
>import org.eclipse.ui.model.IWorkbenchAdapter;
>import org.eclipse.ui.views.properties.FilePropertySource;
>import org.eclipse.ui.views.properties.IPropertySource;
>import org.eclipse.ui.views.properties.ResourcePropertySource;
>import org.eclipse.ui.views.tasklist.ITaskListResourceAdapter;
>
>import org.eclipse.search.ui.ISearchPageScoreComputer;
>
>import org.eclipse.jdt.core.ICompilationUnit;
>import org.eclipse.jdt.core.IJavaElement;
>import org.eclipse.jdt.core.IPackageFragmentRoot;
>
>import org.eclipse.jdt.internal.corext.util.JavaModelUtil;
>import org.eclipse.jdt.internal.ui.search.JavaSearchPageScoreComputer;
>import org.eclipse.jdt.internal.ui.search.SearchUtil;
>
>/**
> * Implements basic UI support for Java elements.
> * Implements handle to persistent support for Java elements.
> */
>public class JavaElementAdapterFactory implements IAdapterFactory, IContributorResourceAdapter{
>	
>	private static Class[] PROPERTIES= new Class[] {
>		IPropertySource.class,
>		IResource.class,
>		IWorkbenchAdapter.class,
>		IResourceLocator.class,
>		IPersistableElement.class,
>		IProject.class,
>		IContributorResourceAdapter.class,
>		ITaskListResourceAdapter.class,
>		IContainmentAdapter.class
>	};
>	
>	private Object fSearchPageScoreComputer;
>	private static IResourceLocator fgResourceLocator= new ResourceLocator();
>	private static JavaWorkbenchAdapter fgJavaWorkbenchAdapter= new JavaWorkbenchAdapter();
>	private static ITaskListResourceAdapter fgTaskListAdapter= new JavaTaskListAdapter();
>	
>	public Class[] getAdapterList() {
>		updateLazyLoadedAdapters();
>		return PROPERTIES;
>	}
>	
>	public Object getAdapter(Object element, Class key) {
>		updateLazyLoadedAdapters();
>		IJavaElement java= (IJavaElement) element;
>		
>		if (IPropertySource.class.equals(key)) {
>			return getProperties(java);
>		} if (IResource.class.equals(key)) {
>			return getResource(java);
>		} if (IProject.class.equals(key)) {
>			return getProject(java);
>		} if (fSearchPageScoreComputer != null && ISearchPageScoreComputer.class.equals(key)) {
>			return fSearchPageScoreComputer;
>		} if (IWorkbenchAdapter.class.equals(key)) {
>			return fgJavaWorkbenchAdapter;
>		} if (IResourceLocator.class.equals(key)) {
>			return fgResourceLocator;
>		} if (IPersistableElement.class.equals(key)) {
>			return new PersistableJavaElementFactory(java);
>		} if (IContributorResourceAdapter.class.equals(key)) {
>			return this;
>		} if (ITaskListResourceAdapter.class.equals(key)) {
>			return fgTaskListAdapter;
>		} if (IContainmentAdapter.class.equals(key)) {
>			return fgJavaWorkbenchAdapter;
>		}
>		return null; 
>	}
>	
>	private IResource getResource(IJavaElement element) {
>		// can't use IJavaElement.getResource directly as we are interrested in the
>		// corresponding resource
>		switch (element.getElementType()) {
>			case IJavaElement.TYPE:
>				// top level types behave like the CU
>				IJavaElement parent= element.getParent();
>				if (parent instanceof ICompilationUnit) {
>					return JavaModelUtil.toOriginal((ICompilationUnit) parent).getResource();
>				}
>				return null;
>			case IJavaElement.COMPILATION_UNIT:
>				return JavaModelUtil.toOriginal((ICompilationUnit) element).getResource();
>			case IJavaElement.CLASS_FILE:
>			case IJavaElement.PACKAGE_FRAGMENT:
>				// test if in a archive
>				IPackageFragmentRoot root= (IPackageFragmentRoot) element.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
>				if (!root.isArchive()) {
>					return element.getResource();
>				}
>				return null;
>			case IJavaElement.PACKAGE_FRAGMENT_ROOT:
>			case IJavaElement.JAVA_PROJECT:
>			case IJavaElement.JAVA_MODEL:
>				return element.getResource();
>			default:
>				return null;
>		}		
>    }
>
>    /*
>     * @see org.eclipse.ui.IContributorResourceAdapter#getAdaptedResource(org.eclipse.core.runtime.IAdaptable)
>     */
>    public IResource getAdaptedResource(IAdaptable adaptable) {
>        return getResource((IJavaElement)adaptable);
>    }
>	
>	private IResource getProject(IJavaElement element) {
>		return element.getJavaProject().getProject();
>	}
>
>	private IPropertySource getProperties(IJavaElement element) {
>		IResource resource= getResource(element);
>		if (resource == null)
>			return new JavaElementProperties(element);
>		if (resource.getType() == IResource.FILE)
>			return new FilePropertySource((IFile) resource);
>		return new ResourcePropertySource((IResource) resource);
>	}
>
>	private void updateLazyLoadedAdapters() {
>		if (fSearchPageScoreComputer == null && SearchUtil.isSearchPlugInActivated())
>			createSearchPageScoreComputer();
>}
>
>	private void createSearchPageScoreComputer() {
>		fSearchPageScoreComputer= new JavaSearchPageScoreComputer();
>		PROPERTIES= new Class[] {
>			IPropertySource.class,
>			IResource.class,
>			ISearchPageScoreComputer.class,
>			IWorkbenchAdapter.class,
>			IResourceLocator.class,
>			IPersistableElement.class,
>			IProject.class,
>			IContributorResourceAdapter.class,
>			ITaskListResourceAdapter.class
>		};
>	}
>}

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Attachments on bug 25274: 3028 | 3029