public void ItemPreviewShow(KanbanColumn column)
{
if (this.DragDropPreviewShadow != null && this.DragDropPreviewShadow.Parent.Equals(column))
{
return;
}
Label itemPreviewShadow = GetItemPreviewShadow();
column.Items.Insert(column.Items.Count, itemPreviewShadow);
this.DragDropPreviewShadow = itemPreviewShadow;
}
public KanbanColumn AddColumn(StatusData status)
{
ColumnCount++;
KanbanColumn column = new KanbanColumn(this, status);
foreach (TaskData task in status.Tasks)
{
column.AddRow(task);
}
columns.Items.Add(column.AsBorderedColumn());
return(column);
}
public void ItemPreviewShow(object sender, DragEventArgs e)
{
KanbanTaskCard target = sender as KanbanTaskCard;
Point dropPosition = e.GetPosition(sender as IInputElement);
bool showBelow = target.ActualHeight / 2 < dropPosition.Y;
Label itemPreviewShadow = GetItemPreviewShadow();
KanbanColumn newColumn = target.Parent as KanbanColumn;
int targetIndex = newColumn.Items.IndexOf(target);
newColumn.Items.Insert(showBelow ? targetIndex + 1 : targetIndex, itemPreviewShadow);
this.DragDropPreviewShadow = itemPreviewShadow;
}
public void ItemPreviewRemove()
{
if (DragDropPreviewShadow == null)
{
return;
}
KanbanColumn column = DragDropPreviewShadow.Parent as KanbanColumn;
if (column == null)
{
return;
}
column.Items.Remove(DragDropPreviewShadow);
DragDropPreviewShadow = null;
}
public void ItemDrop(object sender, DragEventArgs e)
{
DragDropWindowRemove();
if (DragDropPreviewShadow == null)
{
return;
}
KanbanColumn newColumn = DragDropPreviewShadow.Parent as KanbanColumn;
int index = newColumn.Items.IndexOf(DragDropPreviewShadow);
ItemPreviewRemove();
if (e.Data.GetData(typeof(KanbanTaskCard)) is KanbanTaskCard cardItem && !cardItem.Equals(DragDropPreviewShadow))
{
MoveTaskCard(newColumn, cardItem, index);
}
}
public void MoveTaskCard(KanbanColumn column, KanbanTaskCard item, int index)
{
KanbanColumn oldColumn = item.Parent as KanbanColumn;
if (column.Equals(oldColumn) && column.Items.IndexOf(item) < index)
{
index--;
}
oldColumn.Items.Remove(item);
column.AddRow(item.Data, index);
item = null;
oldColumn.UpdateHeader();
column.UpdateHeader();
oldColumn.SaveData();
column.SaveData();
}
public KanbanTaskCard(KanbanBoard kanbanBoard, TaskData data)
{
Data = data;
this.kanbanBoard = kanbanBoard;
Margin = new Thickness(0);
Padding = new Thickness(3);
BorderThickness = new Thickness(0);
BorderBrush = Brushes.SkyBlue;
Selected += (sender, e) => IsSelected = false;
panel = new StackPanel
{
Orientation = Orientation.Vertical,
MinHeight = 20,
MinWidth = 240,
Background = Brushes.White
};
panel.MouseEnter += (sender, e) => panel.Background = new SolidColorBrush(Color.FromArgb(255, 190, 230, 253));
panel.MouseLeave += (sender, e) => panel.Background = defaultBrush;
panel.MouseRightButtonDown += (sender, e) => kanbanBoard.View.OpenCreateDialog(Data);
if (Data.Status.IsBacklog)
{
Button button = new Button
{
Content = "Send to Board",
Margin = new Thickness(5),
Padding = new Thickness(5, 0, 5, 0),
Background = Brushes.LightSkyBlue
};
button.Click += (sender, e) =>
{
KanbanColumn column = Parent as KanbanColumn;
column.Items.Remove(this);
column.UpdateHeader();
ProjectData project = Data.Status.Project;
StatusData newStatus = project.Statuses[0];
Data.Status.Tasks.Remove(Data);
newStatus.Tasks.Add(Data);
Data.Status = newStatus;
new TaskModel(Data).Save();
};
panel.Children.Add(data.GetBacklogGrid(button));
}
else
{
panel.Children.Add(data.GetNameGrid());
panel.Children.Add(data.GetInfoGrid());
panel.PreviewMouseLeftButtonDown += (sender, e) => ItemMouseDown(sender, e);
PreviewDragOver += (sender, e) => kanbanBoard.ItemPreviewShow(sender, e);
GiveFeedback += (sender, e) => DragDropWindowUpdate();
Drop += (sender, e) => kanbanBoard.ItemDrop(sender, e);
AllowDrop = true;
}
panel.Children.Add(GetColorRectangle());
Content = panel;
}