| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.console; |
| |
| |
| import org.eclipse.jface.text.TypedRegion; |
| import org.eclipse.ui.console.ConsolePlugin; |
| import org.eclipse.ui.console.MessageConsoleStream; |
| |
| /** |
| * A partition from a message stream connected to a message console. |
| */ |
| public class MessageConsolePartition extends TypedRegion { |
| |
| /** |
| * Associated stream |
| */ |
| private MessageConsoleStream fStream; |
| |
| /** |
| * Partition type |
| */ |
| public static final String MESSAGE_PARTITION_TYPE = ConsolePlugin.getUniqueIdentifier() + ".MESSAGE_PARTITION_TYPE"; //$NON-NLS-1$ |
| |
| public MessageConsolePartition(MessageConsoleStream stream, int offset, int length) { |
| super(offset, length, MESSAGE_PARTITION_TYPE); |
| fStream = stream; |
| } |
| |
| /** |
| * @see java.lang.Object#equals(java.lang.Object) |
| */ |
| public boolean equals(Object partition) { |
| if (super.equals(partition)) { |
| fStream.equals(((MessageConsolePartition)partition).getStream()); |
| } |
| return false; |
| } |
| |
| /** |
| * @see java.lang.Object#hashCode() |
| */ |
| public int hashCode() { |
| return super.hashCode() + fStream.hashCode(); |
| } |
| |
| /** |
| * Returns this partition's stream |
| * |
| * @return this partition's stream |
| */ |
| public MessageConsoleStream getStream() { |
| return fStream; |
| } |
| |
| /** |
| * Returns whether this partition is allowed to be combined with the |
| * given partition. |
| * |
| * @param partition |
| * @return boolean |
| */ |
| public boolean canBeCombinedWith(MessageConsolePartition partition) { |
| int start = getOffset(); |
| int end = start + getLength(); |
| int otherStart = partition.getOffset(); |
| int otherEnd = otherStart + partition.getLength(); |
| boolean overlap = (otherStart >= start && otherStart <= end) || (start >= otherStart && start <= otherEnd); |
| return overlap && getType().equals(partition.getType()) && getStream().equals(partition.getStream()); |
| } |
| |
| /** |
| * Returns a new partition representing this and the given parition |
| * combined. |
| * |
| * @param partition |
| * @return partition |
| */ |
| public MessageConsolePartition combineWith(MessageConsolePartition partition) { |
| int start = getOffset(); |
| int end = start + getLength(); |
| int otherStart = partition.getOffset(); |
| int otherEnd = otherStart + partition.getLength(); |
| int theStart = Math.min(start, otherStart); |
| int theEnd = Math.max(end, otherEnd); |
| return createNewPartition(theStart, theEnd - theStart); |
| } |
| |
| /** |
| * Creates a new patition of this type with the given color, offset, |
| * and length. |
| * |
| * @param offset |
| * @param length |
| * @return a new partition with the given range |
| */ |
| public MessageConsolePartition createNewPartition(int offset, int length) { |
| return new MessageConsolePartition(getStream(), offset, length); |
| } |
| } |