private static void RecursiveRemoving(BL.Buffer buff, Task targetTask)
{
var children = targetTask.SelectChildrenTasks();
var steps = targetTask.SelectChildrenSteps();
foreach (var step in steps)
{
buff.StepBuffer.Remove(step);
}
foreach (var child in children)
{
RecursiveRemoving(buff,child);
}
buff.TaskBuffer.Remove(targetTask);
}
private void UpdateTree(Task displayTask, MoveDirections dir)
{
TreeCanvas.Children.Clear();
var children = displayTask.SelectChildrenTasks();
var visual = new TaskVisual { Height = 150, Width = 150 };
LevelUp.IsEnabled = displayTask.ParentId != -1;
visual.Removing.IsEnabled = LevelUp.IsEnabled;
visual.Desc.Text = displayTask.Description;
visual.Date.Text = "С " + displayTask.BeginDate.ToShortDateString() + " по " +
displayTask.EndDate.ToShortDateString();
TreeCanvas.Children.Add(visual);
int i = children.Count + 1;
_realCanvasWidth = visual.Width * i;
OverflowCanvas();
visual.SetValue(Canvas.LeftProperty, (TreeCanvas.MinWidth - visual.Width) / 2);
visual.SetValue(Canvas.TopProperty, 20.0);
visual.PreviewMouseLeftButtonDown += ClearStepChanger;
_parent = visual;
if (displayTask.ChildrenAreSteps())
{
visual.Add.Click += AddStep;
}
else
visual.Add.Click += AddTask;
bool evenCount = children.Count % 2 == 0;
int center = children.Count / 2;
var centerLeft = (double)visual.GetValue(Canvas.LeftProperty);
int module = (i - 1) / 2;
var anim = new ThicknessAnimation(dir == MoveDirections.Down ? new Thickness(0, -1000, 0, 200) : new Thickness(0, 200, 0, -1000), new Thickness(0, 0, 0, 0),
new Duration(TimeSpan.FromSeconds(1)));
if (dir != MoveDirections.None)
visual.BeginAnimation(MarginProperty, anim);
visual.Background = !displayTask.HasUncomplitedTasks() ? Brushes.LimeGreen : Brushes.Orange;
visual.Removing.Click += RemoveTask;
visual.Edit.Click += EditTask;
foreach (var task in children)
{
var child = new TaskVisual
{
Height = 150,
Width = 150,
Desc = { Text = task.Description },
Date =
{
Text = "С " + task.BeginDate.ToShortDateString() + " по " +
task.EndDate.ToShortDateString()
},
Field = { Background = !task.HasUncomplitedTasks() ? Brushes.LimeGreen : Brushes.Orange }
};
child.Removing.Visibility = Visibility.Collapsed;
child.Edit.Visibility = Visibility.Collapsed;
TreeCanvas.Children.Add(child);
i--;
double offset = !evenCount
? (i == center + 1
? centerLeft
: (i > center + 1
? centerLeft + (visual.Width + visual.Width / children.Count) * module
: centerLeft - (visual.Width + visual.Width / 2) * i))
: (i > center
? centerLeft + visual.Width / 2 + visual.Width / children.Count / 2 +
(visual.Width / children.Count + visual.Width) * (module - 1)
: centerLeft - visual.Width / 2 - visual.Width / children.Count / 2 -
(visual.Width / children.Count + visual.Width) * (i - 1));
module--;
child.SetValue(Canvas.LeftProperty, offset);
child.SetValue(Canvas.TopProperty, visual.Height + 180);
child.Add.Visibility = Visibility.Collapsed;
var lane = new Line
{
StrokeThickness = 5,
Fill = Brushes.DarkCyan,
X1 = (double)visual.GetValue(Canvas.LeftProperty) + visual.Width / 2,
Y1 = 20 + visual.Height,
Stroke = Brushes.DarkCyan,
X2 = (double)child.GetValue(Canvas.LeftProperty) + child.Width / 2,
Y2 = (double)child.GetValue(Canvas.TopProperty),
SnapsToDevicePixels = true
};
lane.SetValue(RenderOptions.EdgeModeProperty, EdgeMode.Aliased);
TreeCanvas.Children.Add(lane);
if (dir != MoveDirections.None)
{
child.BeginAnimation(MarginProperty, anim);
lane.BeginAnimation(MarginProperty, anim);
}
child.PreviewMouseLeftButtonUp += SelectChild;
}
if (TreeCanvas.Children.Count == 1)
{
visual.Width = visual.Height = 300;
}
if (displayTask.ChildrenAreSteps())
{
var steps = displayTask.SelectChildrenSteps();
var list = new ListBox
{
Margin = new Thickness(10.0, 30, 20.0, 0.0),
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center,
Width = visual.Width - 100
};
foreach (var step in steps)
{
var item = new ListBoxItem
{
Content =
step.Description + "\n\n" + step.Criteria.Unit + "\t\t" + step.Criteria.CurrentValue +
"/" + step.Criteria.TargetValue,
BorderThickness = new Thickness(1),
BorderBrush = Brushes.LightBlue,
Name = "S" + step.Id
};
item.Selected += StepSelected;
list.Items.Add(item);
}
visual.Add.Click += AddStep;
visual.Field.Children.Add(list);
}
}