| /******************************************************************************* |
| * Copyright (c) 2004, 2006 IBM Corporation and others. |
| * 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.internal; |
| |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IMarker; |
| import org.eclipse.core.runtime.IPluginDescriptor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IEditorRegistry; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.PartInitException; |
| |
| /** |
| * Internal class used in providing increased binary compatibility for pre-3.0 |
| * plug-ins. This declaration masks the empty class of the same name declared in |
| * the Workbench proper. This class implements IWorkbenchPage that existed in |
| * 2.1 but were removed in 3.0 because they referenced resource API. |
| * <p> |
| * Plug-ins should not refer to this type or its containing fragment from their |
| * class path. It is intended only to provide binary compatibility for pre-3.0 |
| * plug-ins, and should not be referenced at development time. |
| * </p> |
| * |
| * @since 3.0 |
| */ |
| public class CompatibleWorkbenchPage implements ICompatibleWorkbenchPage { |
| |
| /** |
| * openEditor(IFile) is declared on IWorkbenchPage in 2.1. This method was |
| * removed in 3.0 because it references resource API. |
| */ |
| public IEditorPart openEditor(IFile input) throws PartInitException { |
| // invoke org.eclipse.ui.ide.IDE.openEditor(IWorkbenchPage, IFile, |
| // boolean); |
| return openEditor(new Class[] { IWorkbenchPage.class, IFile.class, |
| boolean.class }, |
| new Object[] { this, input, new Boolean(true) }); |
| } |
| |
| /** |
| * openEditor(IFile,String) is declared on IWorkbenchPage in 2.1. This |
| * method was removed in 3.0 because it references resource API. |
| */ |
| public IEditorPart openEditor(IFile input, String editorID) |
| throws PartInitException { |
| return openEditor(input, editorID, true); |
| } |
| |
| /** |
| * openEditor(IFile,String,boolean) is declared on IWorkbenchPage in 2.1. |
| * This method was removed in 3.0 because it references resource API. |
| */ |
| public IEditorPart openEditor(IFile input, String editorID, boolean activate) |
| throws PartInitException { |
| return ((IWorkbenchPage) this).openEditor(getFileEditorInput(input), |
| editorID); |
| } |
| |
| /** |
| * openEditor(IMarker) is declared on IWorkbenchPage in 2.1. This method was |
| * removed in 3.0 because it references resource API. |
| */ |
| public IEditorPart openEditor(IMarker marker) throws PartInitException { |
| return openEditor(marker, true); |
| } |
| |
| /** |
| * openEditor(IMarker,boolean) is declared on IWorkbenchPage in 2.1. This |
| * method was removed in 3.0 because it references resource API. |
| */ |
| public IEditorPart openEditor(IMarker marker, boolean activate) |
| throws PartInitException { |
| // invoke org.eclipse.ui.ide.IDE.openEditor(IWorkbenchPage, IMarker, |
| // boolean); |
| return openEditor(new Class[] { IWorkbenchPage.class, IMarker.class, |
| boolean.class }, new Object[] { this, marker, |
| new Boolean(activate) }); |
| } |
| |
| /** |
| * openSystemEditor(IFile) is declared on IWorkbenchPage in 2.1. This method |
| * was removed in 3.0 because it references resource API. |
| */ |
| public void openSystemEditor(IFile file) throws PartInitException { |
| ((IWorkbenchPage) this).openEditor(getFileEditorInput(file), |
| IEditorRegistry.SYSTEM_EXTERNAL_EDITOR_ID); |
| |
| } |
| |
| /* |
| * Implementation support: Use reflection for the following code pattern: |
| * new org.eclipse.ui.part.FileEditorInput(file) The class FileEditorInput |
| * is found in the org.eclipse.ui.ide plug-in. |
| */ |
| private IEditorInput getFileEditorInput(IFile file) |
| throws PartInitException { |
| IPluginDescriptor desc = Platform.getPluginRegistry() |
| .getPluginDescriptor("org.eclipse.ui.ide"); //$NON-NLS-1$ |
| Exception problem; |
| try { |
| Class clazz = desc.getPluginClassLoader().loadClass( |
| "org.eclipse.ui.part.FileEditorInput"); //$NON-NLS-1$ |
| Constructor constructor = clazz |
| .getConstructor(new Class[] { IFile.class }); |
| return (IEditorInput) constructor |
| .newInstance(new Object[] { file }); |
| } catch (NullPointerException e) { |
| problem = e; |
| } catch (ClassNotFoundException e) { |
| problem = e; |
| } catch (NoSuchMethodException e) { |
| problem = e; |
| } catch (IllegalArgumentException e) { |
| problem = e; |
| } catch (IllegalAccessException e) { |
| problem = e; |
| } catch (InvocationTargetException e) { |
| problem = e; |
| } catch (InstantiationException e) { |
| problem = e; |
| } |
| IStatus status = new Status( |
| IStatus.ERROR, |
| WorkbenchPlugin.PI_WORKBENCH, |
| 0, |
| "openEditor() compatibility support failed - new FileEditorInput(file)", problem); //$NON-NLS-1$ |
| WorkbenchPlugin.log(status.getMessage(), status); |
| throw new PartInitException(status); |
| } |
| |
| /* |
| * Implementation support: Use reflection to invoke the appropriate static |
| * openEditor(...) method on IDE The IDE class is found in the |
| * org.eclipse.ui.ide plug-in. |
| */ |
| private IEditorPart openEditor(Class[] argTypes, Object[] args) |
| throws PartInitException { |
| IPluginDescriptor desc = Platform.getPluginRegistry() |
| .getPluginDescriptor("org.eclipse.ui.ide"); //$NON-NLS-1$ |
| Throwable problem; |
| try { |
| Class clazz = desc.getPluginClassLoader().loadClass( |
| "org.eclipse.ui.ide.IDE"); //$NON-NLS-1$ |
| Method method = clazz.getMethod("openEditor", argTypes); //$NON-NLS-1$ |
| return (IEditorPart) method.invoke(null, args); |
| } catch (NullPointerException e) { |
| problem = e; |
| } catch (ClassNotFoundException e) { |
| problem = e; |
| } catch (NoSuchMethodException e) { |
| problem = e; |
| } catch (IllegalArgumentException e) { |
| problem = e; |
| } catch (IllegalAccessException e) { |
| problem = e; |
| } catch (InvocationTargetException e) { |
| problem = e; |
| } |
| IStatus status = new Status( |
| IStatus.ERROR, |
| WorkbenchPlugin.PI_WORKBENCH, |
| 0, |
| "openEditor() compatibility support failed - IDE.openEditor()", problem); //$NON-NLS-1$ |
| WorkbenchPlugin.log(status.getMessage(), status); |
| throw new PartInitException(status); |
| } |
| } |