| /******************************************************************************* |
| * Copyright (c) 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-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. |
| * |
| * @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); |
| } |
| } |