| /******************************************************************************* |
| * Copyright (c) 2000, 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; |
| |
| /** |
| * Default implementation of INavigationLocation. |
| * |
| * @since 1.1 |
| */ |
| public abstract class NavigationLocation implements INavigationLocation { |
| |
| private IWorkbenchPage page; |
| |
| private IEditorInput input; |
| |
| /** |
| * Constructs a NavigationLocation with its editor part. |
| * |
| * @param editorPart |
| */ |
| protected NavigationLocation(IEditorPart editorPart) { |
| this.page = editorPart.getSite().getPage(); |
| this.input = editorPart.getEditorInput(); |
| } |
| |
| /** |
| * Returns the part that the receiver holds the location for. |
| * |
| * @return IEditorPart |
| */ |
| protected IEditorPart getEditorPart() { |
| if (input == null) { |
| return null; |
| } |
| return page.findEditor(input); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * Method declared on INavigationLocation. |
| */ |
| public Object getInput() { |
| return input; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * Method declared on INavigationLocation. |
| */ |
| public String getText() { |
| IEditorPart part = getEditorPart(); |
| if (part == null) { |
| return new String(); |
| } |
| return part.getTitle(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * Method declared on INavigationLocation. |
| */ |
| public void setInput(Object input) { |
| this.input = (IEditorInput) input; |
| } |
| |
| /** |
| * May be extended by clients. |
| * |
| * @see org.eclipse.ui.INavigationLocation#dispose() |
| */ |
| public void dispose() { |
| releaseState(); |
| } |
| |
| /** |
| * May be extended by clients. |
| * |
| * @see org.eclipse.ui.INavigationLocation#releaseState() |
| */ |
| public void releaseState() { |
| input = null; |
| } |
| } |