| /******************************************************************************* |
| * Copyright (c) 2005, 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.debug.internal.ui.viewers.model.provisional; |
| |
| import org.eclipse.jface.util.IPropertyChangeListener; |
| |
| /** |
| * Context in which an asynchronous request has been made. |
| * <p> |
| * Clients may implement and extend this interface to provide |
| * special contexts. Implementations must subclass {@link PresentationContext}. |
| * </p> |
| * @since 3.2 |
| */ |
| public interface IPresentationContext { |
| |
| /** |
| * Property name used for property change notification when the columns |
| * in a presentation context change. |
| */ |
| public static final String PROPERTY_COLUMNS = "PROPERTY_COLUMNS"; //$NON-NLS-1$ |
| |
| /** |
| * Returns identifiers of the visible columns in the order |
| * labels should be provided, or <code>null</code> if columns |
| * are not being displayed. Label providers use this |
| * information. |
| * |
| * @return visible column identifiers or <code>null</code> |
| * @see IColumnPresentation |
| */ |
| public String[] getColumns(); |
| |
| /** |
| * Registers the given listener for property change notification. |
| * |
| * @param listener property listener |
| */ |
| public void addPropertyChangeListener(IPropertyChangeListener listener); |
| |
| /** |
| * Unregisters the given listener from property change notification. |
| * |
| * @param listener property listener. |
| */ |
| public void removePropertyChangeListener(IPropertyChangeListener listener); |
| |
| /** |
| * Returns the id of this presentation context. Usually this is the id of |
| * the associated part. However, when no part is associated with this context, |
| * the id may exist on its own. Allows for a context that is not tied to a part. |
| * |
| * @return id |
| * @since 3.3 |
| */ |
| public String getId(); |
| |
| /** |
| * Sets the specified property and notifies listeners of changes. |
| * |
| * @param property property name |
| * @param value property value |
| */ |
| public void setProperty(String property, Object value); |
| |
| /** |
| * Returns the property with the specified name or <code>null</code> |
| * if none. |
| * |
| * @param property property name |
| * @return property value or <code>null</code> |
| */ |
| public Object getProperty(String property); |
| |
| /** |
| * Disposes this presentation context. Called by the framework |
| * when the associated viewer is disposed. |
| */ |
| public void dispose(); |
| |
| } |