| /******************************************************************************* |
| * Copyright (c) 2000, 2015 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IAdapterFactory; |
| |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.ui.IStorageEditorInput; |
| |
| import org.eclipse.search.ui.ISearchPageScoreComputer; |
| |
| import org.eclipse.jdt.core.IJavaElement; |
| |
| import org.eclipse.jdt.ui.JavaUI; |
| |
| import org.eclipse.jdt.internal.ui.search.JavaSearchPageScoreComputer; |
| import org.eclipse.jdt.internal.ui.search.SearchUtil; |
| |
| /** |
| * Adapter factory to support basic UI operations for for editor inputs. |
| */ |
| public class EditorInputAdapterFactory implements IAdapterFactory { |
| |
| private static Class<?>[] PROPERTIES= new Class[] {IJavaElement.class}; |
| |
| private Object fSearchPageScoreComputer; |
| |
| @Override |
| public Class<?>[] getAdapterList() { |
| updateLazyLoadedAdapters(); |
| return PROPERTIES; |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public <T> T getAdapter(Object element, Class<T> key) { |
| updateLazyLoadedAdapters(); |
| if (fSearchPageScoreComputer != null && ISearchPageScoreComputer.class.equals(key) && element instanceof IEditorInput && JavaUI.getEditorInputJavaElement((IEditorInput)element) != null) |
| return (T) fSearchPageScoreComputer; |
| |
| if (IJavaElement.class.equals(key) && element instanceof IEditorInput) { |
| IJavaElement je= JavaUI.getWorkingCopyManager().getWorkingCopy((IEditorInput)element); |
| if (je != null) |
| return (T) je; |
| if (element instanceof IStorageEditorInput) { |
| try { |
| return ((IStorageEditorInput)element).getStorage().getAdapter(key); |
| } catch (CoreException ex) { |
| // Fall through |
| } |
| } |
| } |
| return null; |
| } |
| |
| private void updateLazyLoadedAdapters() { |
| if (fSearchPageScoreComputer == null && SearchUtil.isSearchPlugInActivated()) |
| createSearchPageScoreComputer(); |
| } |
| |
| private void createSearchPageScoreComputer() { |
| fSearchPageScoreComputer= new JavaSearchPageScoreComputer(); |
| PROPERTIES= new Class[] {ISearchPageScoreComputer.class, IJavaElement.class}; |
| } |
| } |