public NotesControl(TaskControl inParentTaskControl, Workspace.Task inTask)
{
mParentTaskControl = inParentTaskControl;
mTask = inTask;
InitializeComponent();
}
public ExternalLinkControl(TaskControl inParentTask, Workspace.ExternalLink inExternalLink)
{
mExternalLink = inExternalLink;
mParentTaskControl = inParentTask;
InitializeComponent();
}
private void TaskControl_MouseUp(object sender, MouseButtonEventArgs e)
{
if (e.ChangedButton == MouseButton.Left && mIsDragging)
{
Control control = sender as Control;
OnDragTaskControlStopped(mClickedTaskControl);
control.ReleaseMouseCapture();
mIsDragging = false;
mClickedTaskControl = null;
e.Handled = true;
}
}
public void MoveTaskControlToPileControl(TaskControl inTaskControl, PileControl inDestinationPileControl, int inDestinationTaskControlIndex)
{
// Remove from this pile
this.stackPanel.Children.Remove(inTaskControl);
this.mPile.RemoveTask(inTaskControl.Task);
// Add to destination pile (at the correct position)
inDestinationPileControl.stackPanel.Children.Insert(inDestinationTaskControlIndex, inTaskControl);
inDestinationPileControl.mPile.InsertTask(inDestinationTaskControlIndex - 2, inTaskControl.Task);
// Set new parent pile
inTaskControl.ParentPileControl = inDestinationPileControl;
}
private void TaskControl_MouseDown(object sender, MouseButtonEventArgs e)
{
if (e.ChangedButton == MouseButton.Left)
{
Control control = sender as Control;
mClickedTaskControl = GetOwnerTaskControlFromControl(control);
mClickedPileControl = null;
mClickedPosition = e.GetPosition(Parent as IInputElement);
mIsDragging = true;
OnDragTaskControlStarted(mClickedTaskControl);
control.CaptureMouse();
e.Handled = true;
}
}
private void MoveButton_MouseDown(object sender, MouseButtonEventArgs e)
{
if (e.ChangedButton == MouseButton.Left)
{
mClickedTaskControl = null;
mClickedPileControl = this;
mClickedPosition = e.GetPosition(Parent as IInputElement);
mIsDragging = true;
(sender as Label).CaptureMouse();
OnDragPileControlStarted(mClickedPileControl);
e.Handled = true;
}
}
private TaskControl AddNewTaskControl(Workspace.Task inTask)
{
int index = mPile.Tasks.IndexOf(inTask);
if (index < 0)
{
index = mPile.Tasks.Count;
}
TaskControl task_control = new TaskControl(this, inTask);
stackPanel.Children.Insert(2 + index, task_control);
task_control.moveButton.MouseDown += TaskControl_MouseDown;
task_control.moveButton.MouseUp += TaskControl_MouseUp;
task_control.moveButton.MouseMove += TaskControl_MouseMove;
return(task_control);
}
private void Pile_OnDragTaskStopped(TaskControl inTask)
{
if (!mDragging)
{
return;
}
Cursor = mDragPreviousCursor;
foreach (PileControl pile in PileControls)
{
foreach (TaskControl task in pile.TaskControls)
{
task.DragState = TaskControl.EDragState.NoDraggingActive;
}
}
mDragging = false;
}
private void Pile_OnDragTaskStarted(TaskControl inTask)
{
mDraggedTask = inTask;
//mDraggedTask.CaptureMouse();
mDragPreviousCursor = Cursor;
Cursor = Cursors.Hand;
// Update dragging state of all tasks
foreach (PileControl pile in PileControls)
{
foreach (TaskControl task in pile.TaskControls)
{
task.DragState = (task == mDraggedTask) ? TaskControl.EDragState.IsBeingDragged : TaskControl.EDragState.IsNotBeingDragged;
}
}
mDragging = true;
}
public void DeleteTaskAndControl(TaskControl inTaskControl)
{
mPile.RemoveTask(inTaskControl.Task);
stackPanel.Children.Remove(inTaskControl);
}
private void Pile_OnDragTaskMoved(TaskControl inTask, Point inPosition)
{
if (!mDragging)
{
return;
}
// Determine from which pile we're dragging
int current_pile_index = -1;
PileControl current_pile = null;
for (int j = 0; j < stackPanel.Children.Count - 1; ++j)
{
PileControl pile = stackPanel.Children[j] as PileControl;
if (pile.stackPanel.Children.Contains(mDraggedTask))
{
current_pile_index = j;
current_pile = pile;
break;
}
}
// Determine which task we're dragging
int current_task_ctrl_index = current_pile.stackPanel.Children.IndexOf(mDraggedTask);
// Find out where to place our task
Point mouse_pos = inPosition;
// Determine pile to place task in
double pile_width = (stackPanel.Children[0] as PileControl).Width; // Child 0 is always the header of the pile
int num_piles = stackPanel.Children.Count - 1;
int preferred_pile_index = Math.Min((int)(mouse_pos.X / pile_width), num_piles - 1);
PileControl preferred_pile = stackPanel.Children[preferred_pile_index] as PileControl;
// Determine task index we're trying to move our task to
int preferred_task_ctrl_index = -1;
if (preferred_pile.stackPanel.Children.Count >= 3)
{
if (preferred_pile_index == current_pile_index)
{
double cur_top_y = mDraggedTask.TransformToAncestor(current_pile.stackPanel).Transform(new Point(0, 0)).Y;
double cur_h = mDraggedTask.ActualHeight;
// If our mouse is still within the task that we're dragging, no need to move it.
if (mouse_pos.Y >= cur_top_y && mouse_pos.Y < cur_top_y + cur_h)
{
preferred_task_ctrl_index = current_task_ctrl_index;
}
}
if (preferred_task_ctrl_index < 0)
{
double top_y = preferred_pile.stackPanel.Children[2].TransformToAncestor(stackPanel).Transform(new Point(0, 0)).Y;
preferred_task_ctrl_index = 2;
for (int i = 2; i < preferred_pile.stackPanel.Children.Count; ++i)
{
UIElement element = preferred_pile.stackPanel.Children[i];
if (element == mDraggedTask)
{
continue;
}
double h = (preferred_pile.stackPanel.Children[i] as FrameworkElement).ActualHeight;
if (mouse_pos.Y < top_y + h && mouse_pos.Y >= top_y)
{
break;
}
top_y += h;
preferred_task_ctrl_index++;
}
}
}
// Our destination pile is still empty, add task to bottom.
else
{
preferred_task_ctrl_index = preferred_pile.stackPanel.Children.Count;
}
// Move dragged task to a different pile? Or move dragged task to different spot in same pile?
if (current_pile_index != preferred_pile_index || current_task_ctrl_index != preferred_task_ctrl_index)
{
current_pile.MoveTaskControlToPileControl(mDraggedTask, preferred_pile, preferred_task_ctrl_index);
}
}