| /******************************************************************************* |
| * 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.commands; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.eclipse.ui.commands.IKeyConfiguration; |
| import org.eclipse.ui.commands.IKeyConfigurationListener; |
| import org.eclipse.ui.commands.KeyConfigurationEvent; |
| import org.eclipse.ui.commands.NotDefinedException; |
| import org.eclipse.ui.internal.util.Util; |
| |
| final class KeyConfiguration implements IKeyConfiguration { |
| |
| private final static int HASH_FACTOR = 89; |
| private final static int HASH_INITIAL = |
| KeyConfiguration.class.getName().hashCode(); |
| |
| private boolean active; |
| private boolean defined; |
| private String description; |
| |
| private transient int hashCode; |
| private transient boolean hashCodeComputed; |
| private String id; |
| private List keyConfigurationListeners; |
| private Set keyConfigurationsWithListeners; |
| private String name; |
| private String parentId; |
| private transient String string; |
| |
| KeyConfiguration(Set keyConfigurationsWithListeners, String id) { |
| if (keyConfigurationsWithListeners == null || id == null) |
| throw new NullPointerException(); |
| |
| this.keyConfigurationsWithListeners = keyConfigurationsWithListeners; |
| this.id = id; |
| } |
| |
| public void addKeyConfigurationListener(IKeyConfigurationListener keyConfigurationListener) { |
| if (keyConfigurationListener == null) |
| throw new NullPointerException(); |
| |
| if (keyConfigurationListeners == null) |
| keyConfigurationListeners = new ArrayList(); |
| |
| if (!keyConfigurationListeners.contains(keyConfigurationListener)) |
| keyConfigurationListeners.add(keyConfigurationListener); |
| |
| keyConfigurationsWithListeners.add(this); |
| } |
| |
| public int compareTo(Object object) { |
| KeyConfiguration castedObject = (KeyConfiguration) object; |
| int compareTo = Util.compare(active, castedObject.active); |
| |
| if (compareTo == 0) { |
| compareTo = Util.compare(defined, castedObject.defined); |
| |
| if (compareTo == 0) { |
| compareTo = Util.compare(description, castedObject.description); |
| |
| if (compareTo == 0) { |
| compareTo = Util.compare(id, castedObject.id); |
| |
| if (compareTo == 0) { |
| compareTo = Util.compare(name, castedObject.name); |
| |
| if (compareTo == 0) |
| compareTo = |
| Util.compare(parentId, castedObject.parentId); |
| } |
| } |
| } |
| } |
| |
| return compareTo; |
| } |
| |
| public boolean equals(Object object) { |
| if (!(object instanceof KeyConfiguration)) |
| return false; |
| |
| KeyConfiguration castedObject = (KeyConfiguration) object; |
| boolean equals = true; |
| equals &= Util.equals(active, castedObject.active); |
| equals &= Util.equals(defined, castedObject.defined); |
| equals &= Util.equals(description, castedObject.description); |
| equals &= Util.equals(id, castedObject.id); |
| equals &= Util.equals(name, castedObject.name); |
| equals &= Util.equals(parentId, castedObject.parentId); |
| return equals; |
| } |
| |
| void fireKeyConfigurationChanged(KeyConfigurationEvent keyConfigurationEvent) { |
| if (keyConfigurationEvent == null) |
| throw new NullPointerException(); |
| |
| if (keyConfigurationListeners != null) |
| for (int i = 0; i < keyConfigurationListeners.size(); i++) |
| ( |
| (IKeyConfigurationListener) keyConfigurationListeners.get( |
| i)).keyConfigurationChanged( |
| keyConfigurationEvent); |
| } |
| |
| public String getDescription() throws NotDefinedException { |
| if (!defined) |
| throw new NotDefinedException( |
| "Cannot get the description from an undefined key configuration."); //$NON-NLS-1$ |
| |
| return description; |
| } |
| |
| public String getId() { |
| return id; |
| } |
| |
| public String getName() throws NotDefinedException { |
| if (!defined) |
| throw new NotDefinedException( |
| "Cannot get name from an undefined key configuration."); //$NON-NLS-1$ |
| |
| return name; |
| } |
| |
| public String getParentId() throws NotDefinedException { |
| if (!defined) |
| throw new NotDefinedException( |
| "Cannot get the parent id from an undefined key configuration."); //$NON-NLS-1$ |
| |
| return parentId; |
| } |
| |
| public int hashCode() { |
| if (!hashCodeComputed) { |
| hashCode = HASH_INITIAL; |
| hashCode = hashCode * HASH_FACTOR + Util.hashCode(active); |
| hashCode = hashCode * HASH_FACTOR + Util.hashCode(defined); |
| hashCode = hashCode * HASH_FACTOR + Util.hashCode(description); |
| hashCode = hashCode * HASH_FACTOR + Util.hashCode(id); |
| hashCode = hashCode * HASH_FACTOR + Util.hashCode(name); |
| hashCode = hashCode * HASH_FACTOR + Util.hashCode(parentId); |
| hashCodeComputed = true; |
| } |
| |
| return hashCode; |
| } |
| |
| public boolean isActive() { |
| return active; |
| } |
| |
| public boolean isDefined() { |
| return defined; |
| } |
| |
| public void removeKeyConfigurationListener(IKeyConfigurationListener keyConfigurationListener) { |
| if (keyConfigurationListener == null) |
| throw new NullPointerException(); |
| |
| if (keyConfigurationListeners != null) |
| keyConfigurationListeners.remove(keyConfigurationListener); |
| |
| if (keyConfigurationListeners.isEmpty()) |
| keyConfigurationsWithListeners.remove(this); |
| } |
| |
| boolean setActive(boolean active) { |
| if (active != this.active) { |
| this.active = active; |
| hashCodeComputed = false; |
| hashCode = 0; |
| string = null; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| boolean setDefined(boolean defined) { |
| if (defined != this.defined) { |
| this.defined = defined; |
| hashCodeComputed = false; |
| hashCode = 0; |
| string = null; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| boolean setDescription(String description) { |
| if (!Util.equals(description, this.description)) { |
| this.description = description; |
| hashCodeComputed = false; |
| hashCode = 0; |
| string = null; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| boolean setName(String name) { |
| if (!Util.equals(name, this.name)) { |
| this.name = name; |
| hashCodeComputed = false; |
| hashCode = 0; |
| string = null; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| boolean setParentId(String parentId) { |
| if (!Util.equals(parentId, this.parentId)) { |
| this.parentId = parentId; |
| hashCodeComputed = false; |
| hashCode = 0; |
| string = null; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| public String toString() { |
| if (string == null) { |
| final StringBuffer stringBuffer = new StringBuffer(); |
| stringBuffer.append('['); |
| stringBuffer.append(active); |
| stringBuffer.append(','); |
| stringBuffer.append(defined); |
| stringBuffer.append(','); |
| stringBuffer.append(description); |
| stringBuffer.append(','); |
| stringBuffer.append(id); |
| stringBuffer.append(','); |
| stringBuffer.append(name); |
| stringBuffer.append(','); |
| stringBuffer.append(parentId); |
| stringBuffer.append(']'); |
| string = stringBuffer.toString(); |
| } |
| |
| return string; |
| } |
| } |