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/*******************************************************************************
* Copyright (c) 2004, 2007 Mylyn project committers 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
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.mylyn.commons.core.StatusHandler;
import org.eclipse.mylyn.internal.tasks.core.AbstractTask;
import org.eclipse.mylyn.internal.tasks.core.deprecated.AbstractAttributeFactory;
import org.eclipse.mylyn.internal.tasks.core.deprecated.AbstractLegacyRepositoryConnector;
import org.eclipse.mylyn.internal.tasks.core.deprecated.AbstractTaskDataHandler;
import org.eclipse.mylyn.internal.tasks.core.deprecated.RepositoryTaskAttribute;
import org.eclipse.mylyn.internal.tasks.core.deprecated.RepositoryTaskData;
import org.eclipse.mylyn.internal.tasks.core.deprecated.TaskComment;
import org.eclipse.mylyn.internal.tasks.ui.notifications.TaskListNotification;
import org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector;
import org.eclipse.mylyn.tasks.core.ITask;
import org.eclipse.mylyn.tasks.core.ITask.SynchronizationState;
/**
* @deprecated Do not use. This class is pending for removal: see bug 237552.
*/
@SuppressWarnings( { "restriction", "deprecation" })
@Deprecated
public class LegacyChangeManager {
static class Change {
final List<String> added;
final String field;
final List<String> removed = new ArrayList<String>();
public Change(String field, List<String> newValues) {
this.field = field;
if (newValues != null) {
this.added = new ArrayList<String>(newValues);
} else {
this.added = new ArrayList<String>();
}
}
}
private static final int MAX_CHANGED_ATTRIBUTES = 2;
static String cleanValue(String value) {
if (value == null) {
return "";
}
String commentText = value.replaceAll("\\s", " ").trim();
if (commentText.length() > 60) {
commentText = commentText.substring(0, 55) + "...";
}
return commentText;
}
static String cleanValues(List<String> values) {
StringBuilder sb = new StringBuilder();
boolean first = true;
for (String value : values) {
if (!first) {
sb.append(", ");
}
sb.append(cleanValue(value));
first = false;
}
return sb.toString();
}
private static String getChangedAttributes(RepositoryTaskData newTaskData, RepositoryTaskData oldTaskData) {
List<Change> changes = new ArrayList<Change>();
for (RepositoryTaskAttribute newAttribute : newTaskData.getAttributes()) {
if (ignoreAttribute(newTaskData, newAttribute)) {
continue;
}
List<String> newValues = newAttribute.getValues();
if (newValues != null) {
RepositoryTaskAttribute oldAttribute = oldTaskData.getAttribute(newAttribute.getId());
if (oldAttribute == null) {
changes.add(getDiff(newTaskData, newAttribute, null, newValues));
}
if (oldAttribute != null) {
List<String> oldValues = oldAttribute.getValues();
if (!oldValues.equals(newValues)) {
changes.add(getDiff(newTaskData, newAttribute, oldValues, newValues));
}
}
}
}
for (RepositoryTaskAttribute oldAttribute : oldTaskData.getAttributes()) {
if (ignoreAttribute(oldTaskData, oldAttribute)) {
continue;
}
RepositoryTaskAttribute attribute = newTaskData.getAttribute(oldAttribute.getId());
List<String> values = oldAttribute.getValues();
if (attribute == null && values != null && !values.isEmpty()) {
changes.add(getDiff(oldTaskData, oldAttribute, values, null));
}
}
if (changes.isEmpty()) {
return "";
}
String details = "";
String sep = "";
int n = 0;
for (Change change : changes) {
String removed = cleanValues(change.removed);
String added = cleanValues(change.added);
details += sep + " " + change.field + " " + removed;
if (removed.length() > 30) {
// details += "\n ";
details += "\n ";
}
details += " -> " + added;
sep = "\n";
if (++n == MAX_CHANGED_ATTRIBUTES) {
break;
}
}
// if (!details.equals("")) {
// return details;
// return "Attributes Changed:\n" + details;
// }
return details;
}
private static String getChangedDescription(RepositoryTaskData newTaskData, RepositoryTaskData oldTaskData) {
String descriptionText = "";
if (newTaskData.getComments().size() > oldTaskData.getComments().size()) {
List<TaskComment> taskComments = newTaskData.getComments();
if (taskComments != null && taskComments.size() > 0) {
TaskComment lastComment = taskComments.get(taskComments.size() - 1);
if (lastComment != null) {
// descriptionText += "Comment by " + lastComment.getAuthor() + ":\n ";
descriptionText += lastComment.getAuthor() + ": ";
descriptionText += cleanValue(lastComment.getText());
}
}
}
return descriptionText;
}
static Change getDiff(RepositoryTaskData taskData, RepositoryTaskAttribute attribute, List<String> oldValues,
List<String> newValues) {
// AbstractAttributeFactory factory = taskData.getAttributeFactory();
// if (attribute.getId().equals(factory.mapCommonAttributeKey(RepositoryTaskAttribute.DATE_MODIFIED))
// || attribute.getId().equals(factory.mapCommonAttributeKey(RepositoryTaskAttribute.DATE_CREATION))) {
// if (newValues != null && newValues.size() > 0) {
// for (int i = 0; i < newValues.size(); i++) {
// newValues.set(i, factory.getDateForAttributeType(attribute.getId(), newValues.get(i)).toString());
// }
// }
//
// Change change = new Change(attribute.getName(), newValues);
// if (oldValues != null) {
// for (String value : oldValues) {
// value = factory.getDateForAttributeType(attribute.getId(), value).toString();
// if (change.added.contains(value)) {
// change.added.remove(value);
// } else {
// change.removed.add(value);
// }
// }
// }
// return change;
// }
Change change = new Change(attribute.getName(), newValues);
if (oldValues != null) {
for (String value : oldValues) {
if (change.added.contains(value)) {
change.added.remove(value);
} else {
change.removed.add(value);
}
}
}
return change;
}
@SuppressWarnings("restriction")
@Deprecated
public static TaskListNotification getIncommingNotification(AbstractRepositoryConnector connector, ITask task) {
TaskListNotification notification = new TaskListNotification(task);
RepositoryTaskData newTaskData = TasksUiPlugin.getTaskDataStorageManager().getNewTaskData(
task.getRepositoryUrl(), task.getTaskId());
RepositoryTaskData oldTaskData = TasksUiPlugin.getTaskDataStorageManager().getOldTaskData(
task.getRepositoryUrl(), task.getTaskId());
try {
if (task.getSynchronizationState().equals(SynchronizationState.INCOMING)
&& ((AbstractTask) task).getLastReadTimeStamp() == null) {
notification.setDescription("New unread task ");
} else if (newTaskData != null && oldTaskData != null) {
StringBuilder description = new StringBuilder();
String changedDescription = getChangedDescription(newTaskData, oldTaskData);
String changedAttributes = getChangedAttributes(newTaskData, oldTaskData);
if (!"".equals(changedDescription.trim())) {
description.append(changedDescription);
if (!"".equals(changedAttributes)) {
description.append('\n');
}
}
if (!"".equals(changedAttributes)) {
description.append(changedAttributes);
}
notification.setDescription(description.toString());
if (connector instanceof AbstractLegacyRepositoryConnector) {
AbstractTaskDataHandler offlineHandler = ((AbstractLegacyRepositoryConnector) connector).getLegacyTaskDataHandler();
if (offlineHandler != null && newTaskData.getLastModified() != null) {
Date modified = newTaskData.getAttributeFactory().getDateForAttributeType(
RepositoryTaskAttribute.DATE_MODIFIED, newTaskData.getLastModified());
notification.setDate(modified);
}
}
} else {
notification.setDescription("Unread task");
}
} catch (Throwable t) {
StatusHandler.log(new Status(IStatus.ERROR, TasksUiPlugin.ID_PLUGIN, "Could not format notification for: "
+ task, t));
}
return notification;
}
static boolean ignoreAttribute(RepositoryTaskData taskData, RepositoryTaskAttribute attribute) {
AbstractAttributeFactory factory = taskData.getAttributeFactory();
return (attribute.getId().equals(factory.mapCommonAttributeKey(RepositoryTaskAttribute.DATE_MODIFIED))
|| attribute.getId().equals(factory.mapCommonAttributeKey(RepositoryTaskAttribute.DATE_CREATION))
|| "delta_ts".equals(attribute.getId()) || "longdesclength".equals(attribute.getId()));
}
}
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