/// <summary>
/// Should only call when in current task scope. Returns teh title of the task being archived
/// </summary>
/// <param name="cat"></param>
/// <returns>the title of the task being archived</returns>
public string ArchiveCurrentTask(Category cat)
{
if (currentTask == null)
{
throw new Exception(YouHaveNotLoadedACurrentTask);
}
string title = CurrentTask.Title;
archiveList.Add(currentTask.SendToArchive(cat));
currentTask = null;
return(title);
}
private void RePushCurrentTask()
{
if (currentTask != null)
{
if (CurrentTaskIsPrioritized)
{
priorityList.Push(CurrentTask as ZScheduledTask);
}
else
{
taskStack.Push(CurrentTask);
}
currentTask = null;
}
}
/// <summary>
/// Fetches the current task
/// </summary>
private void LoadTask()
{
bool taskStackIsEmpty = taskStack.Empty();
if (priorityList.Any())
{
if (priorityList.Peek().IsUrgent() || taskStackIsEmpty)
{
currentTask = ZCurrentTask.MakeCurrentTaskWithPriority(priorityList.Pop());
}
}
else if (taskStackIsEmpty)
{
throw new Exception("No tasks are pushed");
}
else
{
currentTask = ZCurrentTask.MakeCurrentTask(taskStack.Pop());
}
}
/// <summary>
/// Returns title of the task being delayed.
/// </summary>
/// <returns>title of the delayed task</returns>
public string PutOffCurrentTaskToBottom()
{
// Load Task and Check Priority
if (currentTask == null)
{
LoadTask();
Console.WriteLine("Warning: current task is not loaded, a task is auto-pushed as current task.");
}
CheckPriority();
// Reserve title for return
string title = CurrentTask.Title;
// Push task back to stack and delay
taskStack.Push(CurrentTask);
currentTask = null;
taskStack.DelayCurrentTaskToBottom();
return(title);
}
/// <summary>
/// Put off the current task by a number of positions.
/// </summary>
/// <param name="by">number of positions to put off</param>
/// <returns>the name of the task being put off</returns>
public string PutOffCurrentTask(int by)
{
// Load task if not already (with warning)
if (currentTask == null)
{
LoadTask();
Console.WriteLine("Warning: current task is not loaded, a task is auto-pushed as current task.");
}
// Make sure that the task is not prioritized, (Exception thrown otherwise)
CheckPriority();
// Push the current task back into the stack and delay it
string title = CurrentTask.Title; //return the title later on
taskStack.Push(CurrentTask);
currentTask = null;
taskStack.DelayCurrentTaskBy(by);
return(title);
}
