net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/JavaElementAdapterFactory.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2003 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11
  12 package net.sourceforge.phpdt.internal.ui;
  13
  14 import net.sourceforge.phpdt.core.ICompilationUnit;
  15 import net.sourceforge.phpdt.core.IJavaElement;
  16 import net.sourceforge.phpdt.core.IPackageFragmentRoot;
  17 import net.sourceforge.phpdt.internal.corext.util.JavaModelUtil;
  18
  19 import org.eclipse.core.resources.IFile;
  20 import org.eclipse.core.resources.IProject;
  21 import org.eclipse.core.resources.IResource;
  22 import org.eclipse.core.runtime.IAdaptable;
  23 import org.eclipse.core.runtime.IAdapterFactory;
  24 import org.eclipse.ui.IContributorResourceAdapter;
  25 import org.eclipse.ui.IPersistableElement;
  26 import org.eclipse.ui.views.properties.FilePropertySource;
  27 import org.eclipse.ui.views.properties.IPropertySource;
  28 import org.eclipse.ui.views.properties.ResourcePropertySource;
  29
  30 /**
  31  * Implements basic UI support for Java elements. Implements handle to
  32  * persistent support for Java elements.
  33  */
  34 public class JavaElementAdapterFactory implements IAdapterFactory,
  35                 IContributorResourceAdapter {
  36
  37         private static Class[] PROPERTIES = new Class[] {
  38                         IPropertySource.class,
  39                         IResource.class,
  40                         // IWorkbenchAdapter.class,
  41                         // IResourceLocator.class,
  42                         IPersistableElement.class, IProject.class,
  43                         IContributorResourceAdapter.class,
  44         // ITaskListResourceAdapter.class,
  45         // IContainmentAdapter.class
  46         };
  47
  48         // private Object fSearchPageScoreComputer;
  49         // private static IResourceLocator fgResourceLocator= new ResourceLocator();
  50         // private static JavaWorkbenchAdapter fgJavaWorkbenchAdapter= new
  51         // JavaWorkbenchAdapter();
  52         // private static ITaskListResourceAdapter fgTaskListAdapter= new
  53         // JavaTaskListAdapter();
  54         // private static JavaElementContainmentAdapter
  55         // fgJavaElementContainmentAdapter= new JavaElementContainmentAdapter();
  56
  57         public Class[] getAdapterList() {
  58                 // updateLazyLoadedAdapters();
  59                 return PROPERTIES;
  60         }
  61
  62         public Object getAdapter(Object element, Class key) {
  63                 // updateLazyLoadedAdapters();
  64                 IJavaElement java = (IJavaElement) element;
  65
  66                 if (IPropertySource.class.equals(key)) {
  67                         return getProperties(java);
  68                 }
  69                 if (IResource.class.equals(key)) {
  70                         return getResource(java);
  71                 }
  72                 if (IProject.class.equals(key)) {
  73                         return getProject(java);
  74                         // } if (fSearchPageScoreComputer != null &&
  75                         // ISearchPageScoreComputer.class.equals(key)) {
  76                         // return fSearchPageScoreComputer;
  77                         // } if (IWorkbenchAdapter.class.equals(key)) {
  78                         // return fgJavaWorkbenchAdapter;
  79                         // } if (IResourceLocator.class.equals(key)) {
  80                         // return fgResourceLocator;
  81                         // } if (IPersistableElement.class.equals(key)) {
  82                         // return new PersistableJavaElementFactory(java);
  83                 }
  84                 if (IContributorResourceAdapter.class.equals(key)) {
  85                         return this;
  86                         // } if (ITaskListResourceAdapter.class.equals(key)) {
  87                         // return fgTaskListAdapter;
  88                         // } if (IContainmentAdapter.class.equals(key)) {
  89                         // return fgJavaElementContainmentAdapter;
  90                 }
  91                 return null;
  92         }
  93
  94         private IResource getResource(IJavaElement element) {
  95                 // can't use IJavaElement.getResource directly as we are interrested in
  96                 // the
  97                 // corresponding resource
  98                 switch (element.getElementType()) {
  99                 case IJavaElement.TYPE:
 100                         // top level types behave like the CU
 101                         IJavaElement parent = element.getParent();
 102                         if (parent instanceof ICompilationUnit) {
 103                                 return JavaModelUtil.toOriginal((ICompilationUnit) parent)
 104                                                 .getResource();
 105                         }
 106                         return null;
 107                 case IJavaElement.COMPILATION_UNIT:
 108                         return JavaModelUtil.toOriginal((ICompilationUnit) element)
 109                                         .getResource();
 110                 case IJavaElement.CLASS_FILE:
 111                 case IJavaElement.PACKAGE_FRAGMENT:
 112                         // test if in a archive
 113                         IPackageFragmentRoot root = (IPackageFragmentRoot) element
 114                                         .getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
 115                         if (!root.isArchive()) {
 116                                 return element.getResource();
 117                         }
 118                         return null;
 119                 case IJavaElement.PACKAGE_FRAGMENT_ROOT:
 120                 case IJavaElement.JAVA_PROJECT:
 121                 case IJavaElement.JAVA_MODEL:
 122                         return element.getResource();
 123                 default:
 124                         return null;
 125                 }
 126         }
 127
 128         /*
 129          * @see org.eclipse.ui.IContributorResourceAdapter#getAdaptedResource(org.eclipse.core.runtime.IAdaptable)
 130          */
 131         public IResource getAdaptedResource(IAdaptable adaptable) {
 132                 return getResource((IJavaElement) adaptable);
 133         }
 134
 135         private IResource getProject(IJavaElement element) {
 136                 return element.getJavaProject().getProject();
 137         }
 138
 139         private IPropertySource getProperties(IJavaElement element) {
 140                 IResource resource = getResource(element);
 141                 if (resource == null)
 142                         return new JavaElementProperties(element);
 143                 if (resource.getType() == IResource.FILE)
 144                         return new FilePropertySource((IFile) resource);
 145                 return new ResourcePropertySource(resource);
 146         }
 147
 148         // private void updateLazyLoadedAdapters() {
 149         // if (fSearchPageScoreComputer == null &&
 150         // SearchUtil.isSearchPlugInActivated())
 151         // createSearchPageScoreComputer();
 152         // }
 153
 154         // private void createSearchPageScoreComputer() {
 155         // fSearchPageScoreComputer= new JavaSearchPageScoreComputer();
 156         // PROPERTIES= new Class[] {
 157         // IPropertySource.class,
 158         // IResource.class,
 159         // ISearchPageScoreComputer.class,
 160         // IWorkbenchAdapter.class,
 161         // IResourceLocator.class,
 162         // IPersistableElement.class,
 163         // IProject.class,
 164         // IContributorResourceAdapter.class,
 165         // ITaskListResourceAdapter.class,
 166         // IContainmentAdapter.class
 167         // };
 168         // }
 169 }