private void Control_MouseMove(object sender, EventArgs e)
{
var panel = sender as SuperPanel;
while (sender != this && panel == null)
{
sender = (sender as Control).Parent;
panel = sender as SuperPanel;
}
if (panel != null)
{
hoveredPanel = panel;
if (!panel.IsHoveredOver)
{
panel.IsHoveredOver = true;
panel.Invalidate();
panel.Update();
}
if (draggedPanel != null)
{
ReorderRows();
}
}
SetDragCursor();
}
private void ReleaseDragCursor()
{
if (draggedPanel != null)
{
draggedPanel.Show();
}
Cursor = DefaultCursor;
panelCursor = null;
draggedPanel = null;
}
private void AssignRowEventHandlers(SuperPanel panel)
{
panel.DragOver += Control_DragOver;
panel.DragOver += Control_MouseMove;
panel.DragDrop += Row_DragDrop;
panel.DragEnter += Control_DragEnter;
panel.DragEnter += Control_MouseMove;
AssignMouseMoveHandler(panel);
}
private void RowTemplate_MouseLeave(object sender, EventArgs e)
{
foreach (SuperPanel row in this.Controls)
{
if (row.IsHoveredOver)
{
row.IsHoveredOver = false;
row.Invalidate();
row.Update();
}
}
hoveredPanel = null;
}
private void DragAnchor_MouseDown(object sender, MouseEventArgs e)
{
draggedPanel = (sender as Control).Parent as SuperPanel;
if (draggedPanel != null)
{
// Remember the point where the mouse down occurred.
// The DragSize indicates the size that the mouse can move
// before a drag event should be started.
var dragSize = SystemInformation.DragSize;
// Create a rectangle using the DragSize, with the mouse position being
// at the center of the rectangle.
dragBoxFromMouseDown = new Rectangle(new Point(e.X - (dragSize.Width / 2), e.Y - (dragSize.Height / 2)),
dragSize);
SetDragCursor();
}
}
private static SuperPanel CreateRowPanel(int index, int rowHeight, Label orderLabel, ComboBox flightProblem,
Panel colorPanel, ComboBox symbol, ComboBox size, CheckBox showLabel, Control addControl, Control removeControl)
{
var panel = new SuperPanel
{
Location = new Point(3, 10 + (rowHeight + 10) * index),
Size = new Size(875, rowHeight),
BorderStyle = BorderStyle.None,
RowIndex = index
};
panel.Controls.Add(orderLabel);
panel.Controls.Add(flightProblem);
panel.Controls.Add(colorPanel);
panel.Controls.Add(symbol);
panel.Controls.Add(size);
panel.Controls.Add(showLabel);
panel.Controls.Add(addControl);
panel.Controls.Add(removeControl);
panel.AllowDrop = true;
return(panel);
}
