IColumnPresentationFactory


1   /*******************************************************************************
2    * Copyright (c) 2006, 2007 IBM Corporation and others.
3    * All rights reserved. This program and the accompanying materials
4    * are made available under the terms of the Eclipse Public License v1.0
5    * which accompanies this distribution, and is available at
6    * http://www.eclipse.org/legal/epl-v10.html
7    *
8    * Contributors:
9    *     IBM Corporation - initial API and implementation
10   *******************************************************************************/
11  package org.eclipse.debug.internal.ui.viewers.model.provisional;
12  
13  /**
14   * An adapter used to create column presentations.
15   * 
16   * @see IColumnPresentation
17   * @since 3.2
18   */
19  public interface IColumnPresentationFactory {
20  
21      /**
22       * Constructs and returns the column presentation for the given presentation
23       * context (view) and input element, or <code>null</code> of none.
24       * 
25       * @param context presentation context
26       * @param element the input element
27       * @return column presentation or <code>null</code>
28       */
29      public IColumnPresentation createColumnPresentation(IPresentationContext context, Object   element);
30      
31      /**
32       * Returns the type of column presentation to be used for the given context and object
33       * or <code>null</code> if none. Allows a previous column presentation to be re-used if
34       * it has not changed type.
35       * 
36       * @param context presentation context
37       * @param element input element
38       * @return column presentation id or <code>null</code>
39       */
40      public String   getColumnPresentationId(IPresentationContext context, Object   element);
41  }
42

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