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/*******************************************************************************
* Copyright (c) 2010 Tasktop Technologies 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:
* Tasktop Technologies - initial API and implementation
* Itema AS - bug 330064 notification filtering and model persistence
* Itema AS - bug 331424 handle default event-sink action associations
*******************************************************************************/
package org.eclipse.mylyn.internal.commons.ui.notifications;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.eclipse.core.runtime.Assert;
import org.eclipse.ui.IMemento;
/**
* @author Steffen Pingel
* @author Torkild U. Resheim
* @deprecated use classes in the <code>org.eclipse.mylyn.commons.notifications.core</code> bundle instead
*/
@Deprecated
public class NotificationModel {
private boolean dirty;
private Map<String, NotificationHandler> handlerByEventId;
public NotificationModel(IMemento memento) {
initialize(memento);
}
void initialize(IMemento memento) {
this.handlerByEventId = new HashMap<String, NotificationHandler>();
// We need the handlerByEventId map to be populated early
for (NotificationCategory category : getCategories()) {
for (NotificationEvent event : category.getEvents()) {
getOrCreateNotificationHandler(event);
}
}
if (memento != null) {
load(memento);
}
}
public Collection<NotificationCategory> getCategories() {
return NotificationsExtensionReader.getCategories();
}
public NotificationHandler getNotificationHandler(String eventId) {
return handlerByEventId.get(eventId);
}
public NotificationHandler getOrCreateNotificationHandler(NotificationEvent event) {
NotificationHandler handler = getNotificationHandler(event.getId());
if (handler == null) {
handler = new NotificationHandler(event, getActions(event));
handlerByEventId.put(event.getId(), handler);
}
return handler;
}
private List<NotificationAction> getActions(NotificationEvent event) {
List<NotificationSinkDescriptor> descriptors = NotificationsExtensionReader.getSinks();
List<NotificationAction> actions = new ArrayList<NotificationAction>(descriptors.size());
for (NotificationSinkDescriptor descriptor : descriptors) {
NotificationAction action = new NotificationAction(descriptor);
if (event.defaultHandledBySink(descriptor.getId())) {
action.setSelected(true);
}
actions.add(action);
}
return actions;
}
public boolean isDirty() {
return dirty;
}
public boolean isSelected(NotificationEvent event) {
NotificationHandler handler = getOrCreateNotificationHandler(event);
for (NotificationAction action : handler.getActions()) {
if (action.isSelected()) {
return true;
}
}
return false;
}
/**
* Stores the selected state of events and sinks.
*
* @param memento
* the memento to store in.
*/
public void save(IMemento memento) {
for (Entry<String, NotificationHandler> entry : handlerByEventId.entrySet()) {
IMemento event = memento.createChild("event"); //$NON-NLS-1$
event.putString("id", entry.getKey()); //$NON-NLS-1$
List<NotificationAction> actions = entry.getValue().getActions();
for (NotificationAction notificationAction : actions) {
IMemento action = event.createChild("action"); //$NON-NLS-1$
action.putBoolean("selected", notificationAction.isSelected()); //$NON-NLS-1$
action.putString("sink", notificationAction.getSinkDescriptor().getId()); //$NON-NLS-1$
}
}
setDirty(false);
}
/**
* Updates the notification model with selected states from the memento instance.
*
* @param memento
*/
private void load(IMemento memento) {
Assert.isNotNull(memento);
for (IMemento mEvent : memento.getChildren("event")) { //$NON-NLS-1$
for (NotificationCategory category : getCategories()) {
for (NotificationEvent event : category.getEvents()) {
if (event.getId().equals(mEvent.getString("id"))) { //$NON-NLS-1$
NotificationHandler handler = getOrCreateNotificationHandler(event);
List<NotificationAction> actions = handler.getActions();
for (NotificationAction notificationAction : actions) {
IMemento[] mActions = mEvent.getChildren("action"); //$NON-NLS-1$
for (IMemento mAction : mActions) {
if (notificationAction.getSinkDescriptor().getId().equals(mAction.getString("sink"))) { //$NON-NLS-1$
notificationAction.setSelected(mAction.getBoolean("selected")); //$NON-NLS-1$
}
}
}
}
}
}
}
}
public void setDirty(boolean dirty) {
this.dirty = dirty;
}
/**
* Updates the state of the notification handlers depending on their child notification action states.
*/
@Deprecated
public void updateStates() {
Collection<NotificationHandler> handlers = handlerByEventId.values();
for (NotificationHandler notificationHandler : handlers) {
List<NotificationAction> actions = notificationHandler.getActions();
boolean selected = false;
for (NotificationAction notificationAction : actions) {
if (notificationAction.isSelected()) {
selected = true;
break;
}
}
notificationHandler.getEvent().setSelected(selected);
}
}
public void setNotificationHandler(String eventId, NotificationHandler handler) {
handlerByEventId.put(eventId, handler);
setDirty(true);
}
}
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