/// <include file='doc\ControlCommandSet.uex' path='docs/doc[@for="ControlCommandSet.OnKeySize"]/*' />
/// <devdoc>
/// Called for the various sizing commands we support.
/// </devdoc>
protected void OnKeySize(object sender, EventArgs e)
{
// Arrow keys. Begin a drag if the selection isn't locked.
//
ISelectionService selSvc = SelectionService;
ISelectionUIService uiSvc = SelectionUIService;
if (uiSvc != null && selSvc != null)
{
//added to remove the selection rectangle: bug(54692)
//
uiSvc.Visible = false;
object comp = selSvc.PrimarySelection;
if (comp != null && comp is IComponent)
{
PropertyDescriptor lockedProp = TypeDescriptor.GetProperties(comp)["Locked"];
if (lockedProp == null || (lockedProp.PropertyType == typeof(bool) && ((bool)lockedProp.GetValue(comp))) == false)
{
SelectionRules rules = SelectionRules.Visible;
CommandID cmd = ((MenuCommand)sender).CommandID;
bool invertSnap = false;
int moveOffsetX = 0;
int moveOffsetY = 0;
if (cmd.Equals(MenuCommands.KeySizeHeightDecrease))
{
moveOffsetY = -1;
rules |= SelectionRules.BottomSizeable;
}
else if (cmd.Equals(MenuCommands.KeySizeHeightIncrease))
{
moveOffsetY = 1;
rules |= SelectionRules.BottomSizeable;
}
else if (cmd.Equals(MenuCommands.KeySizeWidthDecrease))
{
moveOffsetX = -1;
rules |= SelectionRules.RightSizeable;
}
else if (cmd.Equals(MenuCommands.KeySizeWidthIncrease))
{
moveOffsetX = 1;
rules |= SelectionRules.RightSizeable;
}
else if (cmd.Equals(MenuCommands.KeyNudgeHeightDecrease))
{
moveOffsetY = -1;
invertSnap = true;
rules |= SelectionRules.BottomSizeable;
}
else if (cmd.Equals(MenuCommands.KeyNudgeHeightIncrease))
{
moveOffsetY = 1;
invertSnap = true;
rules |= SelectionRules.BottomSizeable;
}
else if (cmd.Equals(MenuCommands.KeyNudgeWidthDecrease))
{
moveOffsetX = -1;
invertSnap = true;
rules |= SelectionRules.RightSizeable;
}
else if (cmd.Equals(MenuCommands.KeyNudgeWidthIncrease))
{
moveOffsetX = 1;
invertSnap = true;
rules |= SelectionRules.RightSizeable;
}
else
{
Debug.Fail("Unknown command mapped to OnKeySize: " + cmd.ToString());
}
if (uiSvc.BeginDrag(rules, 0, 0))
{
bool snapOn = false;
Size snapSize = Size.Empty;
IComponent snapComponent = null;
PropertyDescriptor snapProperty = null;
// Gets the needed snap information
//
IDesignerHost host = (IDesignerHost)GetService(typeof(IDesignerHost));
DesignerTransaction trans = null;
try {
if (host != null)
{
GetSnapInformation(host, (IComponent)comp, out snapSize, out snapComponent, out snapProperty);
if (selSvc.SelectionCount > 1)
{
trans = host.CreateTransaction(SR.GetString(SR.DragDropSizeComponents, selSvc.SelectionCount));
}
else
{
trans = host.CreateTransaction(SR.GetString(SR.DragDropSizeComponent, ((IComponent)comp).Site.Name));
}
if (snapProperty != null)
{
snapOn = (bool)snapProperty.GetValue(snapComponent);
if (invertSnap)
{
snapOn = !snapOn;
snapProperty.SetValue(snapComponent, snapOn);
}
}
}
if (snapOn && !snapSize.IsEmpty)
{
moveOffsetX *= snapSize.Width;
moveOffsetY *= snapSize.Height;
}
// Now move the controls the correct # of pixels.
//
uiSvc.DragMoved(new Rectangle(0, 0, moveOffsetX, moveOffsetY));
uiSvc.EndDrag(false);
if (host != null)
{
if (invertSnap && snapProperty != null)
{
snapOn = !snapOn;
snapProperty.SetValue(snapComponent, snapOn);
}
}
}
finally {
if (trans != null)
{
trans.Commit();
uiSvc.Visible = true;
}
}
}
}
}
uiSvc.Visible = true;
}
}
