| /******************************************************************************* |
| * Copyright (c) 2000, 2007 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jface.text.contentassist; |
| |
| import org.eclipse.swt.graphics.Image; |
| |
| import org.eclipse.core.runtime.Assert; |
| |
| |
| |
| /** |
| * A default implementation of the <code>IContextInformation</code> interface. |
| */ |
| public final class ContextInformation implements IContextInformation { |
| |
| /** The name of the context. */ |
| private final String fContextDisplayString; |
| /** The information to be displayed. */ |
| private final String fInformationDisplayString; |
| /** The image to be displayed. */ |
| private final Image fImage; |
| |
| /** |
| * Creates a new context information without an image. |
| * |
| * @param contextDisplayString the string to be used when presenting the context |
| * @param informationDisplayString the string to be displayed when presenting the context information |
| */ |
| public ContextInformation(String contextDisplayString, String informationDisplayString) { |
| this(null, contextDisplayString, informationDisplayString); |
| } |
| |
| /** |
| * Creates a new context information with an image. |
| * |
| * @param image the image to display when presenting the context information |
| * @param contextDisplayString the string to be used when presenting the context |
| * @param informationDisplayString the string to be displayed when presenting the context information, |
| * may not be <code>null</code> |
| */ |
| public ContextInformation(Image image, String contextDisplayString, String informationDisplayString) { |
| |
| Assert.isNotNull(informationDisplayString); |
| |
| fImage= image; |
| fContextDisplayString= contextDisplayString; |
| fInformationDisplayString= informationDisplayString; |
| } |
| |
| @Override |
| public boolean equals(Object object) { |
| if (object instanceof IContextInformation) { |
| IContextInformation contextInformation= (IContextInformation) object; |
| boolean equals= fInformationDisplayString.equalsIgnoreCase(contextInformation.getInformationDisplayString()); |
| if (fContextDisplayString != null) |
| equals= equals && fContextDisplayString.equalsIgnoreCase(contextInformation.getContextDisplayString()); |
| return equals; |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| int low= fContextDisplayString != null ? fContextDisplayString.hashCode() : 0; |
| return (fInformationDisplayString.hashCode() << 16) | low; |
| } |
| |
| @Override |
| public String getInformationDisplayString() { |
| return fInformationDisplayString; |
| } |
| |
| @Override |
| public Image getImage() { |
| return fImage; |
| } |
| |
| @Override |
| public String getContextDisplayString() { |
| if (fContextDisplayString != null) |
| return fContextDisplayString; |
| return fInformationDisplayString; |
| } |
| } |