/// <summary>
/// Raises the ButtonDragOffset event.
/// </summary>
/// <param name="e">An ButtonDragOffsetEventArgs containing the event args.</param>
protected virtual void OnButtonDragOffset(ButtonDragOffsetEventArgs e)
{
if (ButtonDragOffset != null)
{
ButtonDragOffset(this, e);
}
}
/// <summary>
/// Mouse has moved inside the view.
/// </summary>
/// <param name="c">Reference to the source control instance.</param>
/// <param name="pt">Mouse position relative to control.</param>
public virtual void MouseMove(Control c, Point pt)
{
// Is the controller allowed to track/click
if (IsOperating)
{
// Track the mouse point
_mousePoint = pt;
// Update the visual state
UpdateTargetState(pt);
// If captured then we might want to handle dragging
if (Captured)
{
if (AllowDragging)
{
if (_dragging)
{
OnDragMove(_mousePoint);
}
else if (!_dragRect.IsEmpty && !_dragRect.Contains(_mousePoint))
{
if (!_draggingAttempt)
{
_draggingAttempt = true;
Point targetOrigin = _target.ClientLocation;
Point offset = new Point(_mousePoint.X - targetOrigin.X, _mousePoint.Y - targetOrigin.Y);
OnDragStart(_mousePoint, offset, c);
}
}
}
if (!_dragging && !_dragRect.IsEmpty && _preDragOffset)
{
ButtonDragOffsetEventArgs args = new ButtonDragOffsetEventArgs(pt);
OnButtonDragOffset(args);
}
}
}
}
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);
}
}
/// <summary>
/// Raises the ButtonDragOffset event.
/// </summary>
/// <param name="e">An ButtonDragOffsetEventArgs containing the event args.</param>
protected virtual void OnButtonDragOffset(ButtonDragOffsetEventArgs e)
{
ButtonDragOffset?.Invoke(this, e);
}
private void OnButtonDragOffset(object sender, ButtonDragOffsetEventArgs e)
{
if (ButtonDragOffset != null)
ButtonDragOffset(this, e);
}
/// <summary>
/// Raises the ButtonDragOffset event.
/// </summary>
/// <param name="e">An ButtonDragOffsetEventArgs containing the event args.</param>
protected virtual void OnButtonDragOffset(ButtonDragOffsetEventArgs e)
{
if (ButtonDragOffset != null)
ButtonDragOffset(this, e);
}
/// <summary>
/// Mouse has moved inside the view.
/// </summary>
/// <param name="c">Reference to the source control instance.</param>
/// <param name="pt">Mouse position relative to control.</param>
public virtual void MouseMove(Control c, Point pt)
{
// Is the controller allowed to track/click
if (IsOperating)
{
// Track the mouse point
_mousePoint = pt;
// Update the visual state
UpdateTargetState(pt);
// If captured then we might want to handle dragging
if (Captured)
{
if (AllowDragging)
{
if (_dragging)
OnDragMove(_mousePoint);
else if (!_dragRect.IsEmpty && !_dragRect.Contains(_mousePoint))
{
if (!_draggingAttempt)
{
_draggingAttempt = true;
Point targetOrigin = _target.ClientLocation;
Point offset = new Point(_mousePoint.X - targetOrigin.X, _mousePoint.Y - targetOrigin.Y);
OnDragStart(_mousePoint, offset, c);
}
}
}
if (!_dragging && !_dragRect.IsEmpty && _preDragOffset)
{
ButtonDragOffsetEventArgs args = new ButtonDragOffsetEventArgs(pt);
OnButtonDragOffset(args);
}
}
}
}
