//private helper functions
// copy the task list into an observable collection of list names
private void UpdateView()
{
Log.Instance.LogDebug("DataGridViewModel.UpdateView");
PropertyTasks.CollectionChanged -= OnViewChanged;
PropertyTasks.Clear();
if (CurrentTaskList >= 0)
{
for (int i = 0; i < TaskListGroup.NumTasks(CurrentTaskList); i++)
{
TaskView tv = new TaskView(
TaskListGroup.GetTask(CurrentTaskList, i),
TaskListGroup.GetTaskColour(CurrentTaskList, i),
TaskListGroup.GetTaskNote(CurrentTaskList, i));
tv.PropertyChanged += OnTaskEdited;
PropertyTasks.Add(tv);
}
}
PropertyTasks.CollectionChanged += OnViewChanged;
RaisePropertyChanged("Tasks");
}
private void OnAddNewTask(object parameter)
{
Log.Instance.LogInfo(string.Format("DataGridViewModel.OnAddNewTask {0}", parameter));
TextBox t = parameter as TextBox;
if (t != null)
{
string s = t.Text;
Log.Instance.LogInfo(string.Format("DataGridViewModel.OnAddNewTask {0}", s));
t.Clear();
if (TaskListGroup != null)
{
if (s.Length > 0)
{
PropertyTasks.Insert(0, new TaskView(s, "Black", ""));
RaisePropertyChanged("Tasks");
}
else
{
Log.Instance.LogMsg("DataGridViewModel.OnAddNewTask - task is empty, skipping");
}
}
else
{
Log.Instance.LogDebug("DataGridViewModel.OnAddNewTask - TaskListGroup is null, skipping");
}
}
else
{
Log.Instance.LogError("DataGridViewModel.OnAddNewTask - parameter is not a TextBox");
}
}
public void OnPreviewMouseMove(DataGrid dg, Canvas c, MouseEventArgs e)
{
if (IsLeftMouseDown && !IsEditingTask)
{
if (!IsDragging)
{
if ((System.Math.Abs(MouseDownPosition.X - e.GetPosition(c).X) > SystemParameters.MinimumHorizontalDragDistance) ||
(System.Math.Abs(MouseDownPosition.Y - e.GetPosition(c).Y) > SystemParameters.MinimumVerticalDragDistance))
{
int index = getIndexUnderCursor(dg, c, MouseDownPosition);
if (index >= 0)
{
Log.Instance.LogInfo(string.Format("Started dragging"));
IsDragging = true;
LastDragPosition = index;
Mouse.Capture(c);
dg.IsHitTestVisible = false;
}
}
}
}
if (IsDragging)
{
int curDragPosition = getIndexUnderCursor(dg, c, e.GetPosition(c));
if ((curDragPosition >= 0) && (curDragPosition != LastDragPosition))
{
PropertyTasks.Move(LastDragPosition, curDragPosition);
LastDragPosition = curDragPosition;
}
}
}
public void DeleteTask(int taskIndex)
{
Log.Instance.LogDebug(string.Format("DataGridViewModel.DeleteTask - deleting task number {0}", taskIndex));
PropertyTasks.RemoveAt(taskIndex);
RaisePropertyChanged("Tasks");
}