| package org.eclipse.ui.dialogs; |
| |
| /* |
| * (c) Copyright IBM Corp. 2000, 2001. |
| * All Rights Reserved. |
| */ |
| import org.eclipse.ui.*; |
| import org.eclipse.jface.viewers.IStructuredContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| |
| /** |
| * A content provider for displaying of <code>IFileEditorMapping</code> |
| * objects in viewers. |
| * <p> |
| * This class has a singleton instance, |
| * <code>FileEditorMappingContentProvider.INSTANCE</code>, |
| * which can be used any place this kind of content provider is needed. |
| * </p> |
| * |
| * @see org.eclipse.ui.IResourceTypeEditorMapping |
| * @see org.eclipse.jface.viewers.IContentProvider |
| */ |
| public class FileEditorMappingContentProvider implements IStructuredContentProvider { |
| |
| /** |
| * Singleton instance accessor. |
| */ |
| public final static FileEditorMappingContentProvider INSTANCE = new FileEditorMappingContentProvider(); |
| /** |
| * Creates an instance of this class. The private visibility of this |
| * constructor ensures that this class is only usable as a singleton. |
| */ |
| private FileEditorMappingContentProvider() { |
| super(); |
| } |
| /* (non-Javadoc) |
| * Method declared on IContentProvider. |
| */ |
| public void dispose() {} |
| /* (non-Javadoc) |
| * Method declared on IStructuredContentProvider. |
| */ |
| public Object[] getElements(Object element) { |
| IFileEditorMapping[] array = (IFileEditorMapping[]) element; |
| return array == null ? new Object[0] : array; |
| } |
| /* (non-Javadoc) |
| * Method declared on IContentProvider. |
| */ |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {} |
| } |
