private void OnCheckButtonDragOffset(object sender, ButtonDragOffsetEventArgs e)
{
// Cast incoming reference to the actual button view
INavCheckItem reorderItem = (INavCheckItem)sender;
ViewBase reorderView = reorderItem.View;
// Scan the collection of children
bool foundReorderView = false;
VisualOrientation orientation = ConvertButtonBorderBackOrientation();
foreach (KryptonPage page in Navigator.Pages)
{
// If the mouse is over this button
ViewBase childView = (ViewBase)_pageLookup[page];
if (childView.ClientRectangle.Contains(e.PointOffset))
{
// Only interested if mouse over a different check button
if (childView != reorderView)
{
Rectangle childRect = childView.ClientRectangle;
if (foundReorderView)
{
if ((orientation == VisualOrientation.Left) || (orientation == VisualOrientation.Right))
{
int shrink = childRect.Height - Math.Min(childRect.Height, reorderView.ClientHeight);
childRect.Y += shrink;
childRect.Height -= shrink;
}
else
{
int shrink = childRect.Width - Math.Min(childRect.Width, reorderView.ClientWidth);
childRect.X += shrink;
childRect.Width -= shrink;
}
// Ensure that when we are placed in the 'after' position the mouse is still over
// ourself as the moved button. Otherwise we just end up toggling back and forth.
if (childRect.Contains(e.PointOffset))
{
KryptonPage movePage = PageFromView(reorderView);
KryptonPage targetPage = PageFromView(childView);
PageReorderEventArgs reorder = new PageReorderEventArgs(movePage, targetPage, false);
// Give event handlers a chance to cancel this reorder
Navigator.OnBeforePageReorder(reorder);
if (!reorder.Cancel)
{
Navigator.Pages.MoveAfter(movePage, targetPage);
RecreateView();
Navigator.PerformLayout();
Navigator.Refresh();
Navigator.OnTabMoved(new TabMovedEventArgs(movePage, Navigator.Pages.IndexOf(movePage)));
}
}
}
else
{
if ((orientation == VisualOrientation.Left) || (orientation == VisualOrientation.Right))
childRect.Height = Math.Min(childRect.Height, reorderView.ClientHeight);
else
childRect.Width = Math.Min(childRect.Width, reorderView.ClientWidth);
// Ensure that when we are placed in the 'before' position the mouse is still over
// ourself as the moved button. Otherwise we just end up toggling back and forth.
if (childRect.Contains(e.PointOffset))
{
KryptonPage movePage = PageFromView(reorderView);
KryptonPage targetPage = PageFromView(childView);
PageReorderEventArgs reorder = new PageReorderEventArgs(movePage, targetPage, true);
// Give event handlers a chance to cancel this reorder
Navigator.OnBeforePageReorder(reorder);
if (!reorder.Cancel)
{
Navigator.Pages.MoveBefore(movePage, PageFromView(childView));
RecreateView();
Navigator.PerformLayout();
Navigator.Refresh();
Navigator.OnTabMoved(new TabMovedEventArgs(movePage, Navigator.Pages.IndexOf(movePage)));
}
}
}
break;
}
}
foundReorderView = (childView == reorderView);
}
}
private void OnCheckButtonDragOffset(object sender, ButtonDragOffsetEventArgs e)
{
// Cast incoming reference to the actual check button view
ViewDrawNavCheckButtonStack reorderView = (ViewDrawNavCheckButtonStack)sender;
// Scan the collection of children
bool foundReorderView = false;
Orientation stackOrient = Navigator.Stack.StackOrientation;
foreach (KryptonPage page in Navigator.Pages)
{
// If the mouse is over this button
ViewDrawNavCheckButtonStack childView = (ViewDrawNavCheckButtonStack)_pageLookup[page];
if (childView.ClientRectangle.Contains(e.PointOffset))
{
// Only interested if mouse over a different check button
if (childView != reorderView)
{
Rectangle childRect = childView.ClientRectangle;
if (foundReorderView)
{
if (stackOrient == Orientation.Vertical)
{
int shrink = childRect.Height - Math.Min(childRect.Height, reorderView.ClientHeight);
childRect.Y += shrink;
childRect.Height -= shrink;
}
else
{
int shrink = childRect.Width - Math.Min(childRect.Width, reorderView.ClientWidth);
childRect.X += shrink;
childRect.Width -= shrink;
}
// Ensure that when we are placed in the 'after' position the mouse is still over
// ourself as the moved button. Otherwise we just end up toggling back and forth.
if (childRect.Contains(e.PointOffset))
{
KryptonPage movePage = PageFromView(reorderView);
KryptonPage targetPage = PageFromView(childView);
PageReorderEventArgs reorder = new PageReorderEventArgs(movePage, targetPage, false);
// Give event handlers a chance to cancel this reorder
Navigator.OnBeforePageReorder(reorder);
if (!reorder.Cancel)
{
Navigator.Pages.MoveAfter(movePage, PageFromView(childView));
RecreateView();
Navigator.PerformLayout();
Navigator.Refresh();
Navigator.OnTabMoved(new TabMovedEventArgs(movePage, Navigator.Pages.IndexOf(movePage)));
}
}
}
else
{
if (stackOrient == Orientation.Vertical)
{
childRect.Height = Math.Min(childRect.Height, reorderView.ClientHeight);
}
else
{
childRect.Width = Math.Min(childRect.Width, reorderView.ClientWidth);
}
// Ensure that when we are placed in the 'before' position the mouse is still over
// ourself as the moved button. Otherwise we just end up toggling back and forth.
if (childRect.Contains(e.PointOffset))
{
KryptonPage movePage = PageFromView(reorderView);
KryptonPage targetPage = PageFromView(childView);
PageReorderEventArgs reorder = new PageReorderEventArgs(movePage, targetPage, true);
// Give event handlers a chance to cancel this reorder
Navigator.OnBeforePageReorder(reorder);
if (!reorder.Cancel)
{
Navigator.Pages.MoveBefore(movePage, PageFromView(childView));
RecreateView();
Navigator.PerformLayout();
Navigator.Refresh();
Navigator.OnTabMoved(new TabMovedEventArgs(movePage, Navigator.Pages.IndexOf(movePage)));
}
}
}
break;
}
}
foundReorderView = (childView == reorderView);
}
}
/// <summary>
/// Raises the BeforePageReorder event.
/// </summary>
/// <param name="de">A PageDragCancelEventArgs containing event details.</param>
protected internal virtual void OnBeforePageReorder(PageReorderEventArgs de)
{
if (BeforePageReorder != null)
BeforePageReorder(this, de);
}
