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/*******************************************************************************
* Copyright (c) 2004 - 2005 University Of British Columbia 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:
* University Of British Columbia - initial API and implementation
*******************************************************************************/
/*
* Created on Dec 26, 2004
*/
package org.eclipse.mylar.tasklist;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.mylar.core.MylarPlugin;
import org.eclipse.mylar.tasklist.internal.RelativePathUtil;
import org.eclipse.mylar.tasklist.internal.TaskCategory;
import org.eclipse.mylar.tasklist.internal.TaskList;
/**
* @author Mik Kersten
*/
public class TaskListManager {
public static final int INACTIVITY_TIME = 5; // in minutes
public static final long INACTIVITY_TIME_MILLIS = INACTIVITY_TIME * 1000 * 60;
private Map<ITask, TaskActiveTimerListener> listenerMap = new HashMap<ITask, TaskActiveTimerListener>();
private File taskListFile;
private TaskList taskList = new TaskList();
private List<ITaskActivityListener> listeners = new ArrayList<ITaskActivityListener>();
private int nextTaskId;
public TaskListManager(File file) {
this.taskListFile = file;
if (MylarPlugin.getDefault() != null && MylarPlugin.getDefault().getPreferenceStore().contains(MylarTasklistPlugin.TASK_ID)) { // TODO: fix to MylarTasklistPlugin
nextTaskId = MylarPlugin.getDefault().getPreferenceStore().getInt(MylarTasklistPlugin.TASK_ID);
} else {
nextTaskId = 1;
}
}
public TaskList createNewTaskList() {
taskList = new TaskList();
return taskList;
}
public String genUniqueTaskId() {
return "task-" + nextTaskId++;
}
public boolean readTaskList() {
MylarTasklistPlugin.getDefault().getTaskListExternalizer().initExtensions();
try {
if (taskListFile.exists()) {
MylarTasklistPlugin.getDefault().getTaskListExternalizer().readTaskList(taskList, taskListFile);
int maxHandle = taskList.findLargestTaskHandle();
if (maxHandle >= nextTaskId) {
nextTaskId = maxHandle + 1;
}
for (ITaskActivityListener listener : listeners) listener.tasksActivated(taskList.getActiveTasks());
}
return true;
} catch (Exception e) {
MylarPlugin.log(e, "Could not read task list");
return false;
}
}
public void saveTaskList() {
try {
MylarTasklistPlugin.getDefault().getTaskListExternalizer().writeTaskList(taskList, taskListFile);
MylarPlugin.getDefault().getPreferenceStore().setValue(MylarTasklistPlugin.TASK_ID, nextTaskId);
} catch (Exception e) {
MylarPlugin.fail(e, "Could not save task list", true);
}
}
public TaskList getTaskList() {
return taskList;
}
public void setTaskList(TaskList taskList) {
this.taskList = taskList;
}
public void addRootTask(ITask task) {
taskList.addRootTask(task);
}
public void addCategory(AbstractCategory cat) {
taskList.addCategory(cat);
}
public void deleteTask(ITask task) {
TaskActiveTimerListener activeListener = listenerMap.remove(task);
if(activeListener != null)
activeListener.stopTimer();
taskList.setActive(task, false, false);
taskList.deleteTask(task);
}
public void deleteCategory(AbstractCategory cat) {
taskList.deleteCategory(cat);
}
public void addListener(ITaskActivityListener listener) {
listeners.add(listener);
}
public void removeListener(ITaskActivityListener listener) {
listeners.remove(listener);
}
public void activateTask(ITask task) {
if (!MylarTasklistPlugin.getDefault().isMultipleMode()) {
for (ITask t : taskList.getActiveTasks()) {
for (ITaskActivityListener listener : listeners) listener.taskDeactivated(t);
}
taskList.clearActiveTasks();
}
taskList.setActive(task, true, false);
TaskActiveTimerListener activeListener = new TaskActiveTimerListener(task);
listenerMap.put(task, activeListener);
for (ITaskActivityListener listener : listeners) listener.taskActivated(task);
}
public void deactivateTask(ITask task) {
TaskActiveTimerListener activeListener = listenerMap.remove(task);
if(activeListener != null)
activeListener.stopTimer();
taskList.setActive(task, false, false);
for (ITaskActivityListener listener : listeners) listener.taskDeactivated(task);
}
public void taskPropertyChanged(ITask task, String property) {
for (ITaskActivityListener listener : listeners) listener.taskPropertyChanged(task, property);
}
public void updateTaskscapeReference(String prevDir) {
List<ITask> rootTasks = this.getTaskList().getRootTasks();
for (TaskCategory cat : taskList.getTaskCategories()) {
updateTaskscapeReferenceHelper(cat.getChildren(), prevDir);
}
updateTaskscapeReferenceHelper(rootTasks, prevDir);
}
public void updateTaskscapeReferenceHelper(List<ITask> list, String prevDir) {
for (ITask task : list) {
if (!task.getPath().startsWith("task-")) {
if (task.getPath().startsWith("..")) {
String path = task.getPath();
File d = new File(prevDir);
while (path.startsWith("..")) {
d = d.getParentFile();
path = path.substring(3, path.length());
}
String absPath = d.getPath() + "/" + path + MylarTasklistPlugin.FILE_EXTENSION;
absPath = absPath.replaceAll("\\\\", "/");
String rel = RelativePathUtil.findRelativePath(MylarPlugin.getDefault().getUserDataDirectory() + "/", absPath);
task.setPath(rel);
taskPropertyChanged(task, "Path");
} else {
String absPath = prevDir + "/" + task.getPath() + MylarTasklistPlugin.FILE_EXTENSION;
absPath = absPath.replaceAll("\\\\", "/");
String rel = RelativePathUtil.findRelativePath(MylarPlugin.getDefault().getUserDataDirectory(), absPath);
task.setPath(rel);
taskPropertyChanged(task, "Path");
}
}
// updateTaskscapeReferenceHelper(task.getChildren(), prevDir);
}
}
public void setTaskListFile(File f) {
if (this.taskListFile.exists()) {
this.taskListFile.delete();
}
this.taskListFile = f;
}
public ITask getTaskForHandle(String handle) {
return taskList.getTaskForHandle(handle);
}
public String toXmlString() {
try {
return MylarTasklistPlugin.getDefault().getTaskListExternalizer().getTaskListXml(taskList);
} catch (Exception e) {
MylarPlugin.fail(e, "Could not save task list", true);
}
return null;
}
}
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