private void RadBookItem_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (!this.CanBeTurned)
{
return;
}
this.mousePoint = e.GetPosition((IInputElement)this);
if (!FoldHelper.MouseWithinFoldAreas(this.mousePoint, this) && this.FoldSize != new Size(0.0, 0.0))
{
return;
}
this.draggedCorner = FoldHelper.GetQuadrant(this.mousePoint, this);
this.targetCorner = RadBookItem.GetOppositeCorner(this.draggedCorner);
this.UpdatePageFold();
if (this.doubleClickMode && this.PageFlipMode == PageFlipMode.DoubleClick)
{
if (this.mouseDoubleClick != null)
{
this.mouseDoubleClick((object)this, new MouseClickEventArgs(this.targetCorner));
}
this.doubleClickMode = false;
this.doubleClickTimer.Stop();
}
else
{
this.singleClickMode = this.PageFlipMode == PageFlipMode.SingleClick;
this.doubleClickMode = this.PageFlipMode == PageFlipMode.DoubleClick;
this.dragStarted = true;
if (this.PageFlipMode == PageFlipMode.SingleClick)
{
this.singleClickTimer.Start();
}
else if (this.PageFlipMode == PageFlipMode.DoubleClick)
{
this.doubleClickTimer.Start();
}
else
{
this.singleClickTimer.Stop();
this.doubleClickTimer.Stop();
}
if (this.mouseDragStart == null)
{
return;
}
this.mouseDragStart((object)this, new DragStartedEventArgs(this.draggedCorner, this.mousePoint));
}
}
private void UpdatePageFold()
{
if (this.Position == PagePosition.Right)
{
if (FoldHelper.MouseWithinTopRightFoldArea(this.mousePoint, this.FoldSize, this.ActualWidth))
{
this.RaiseCornerEnterMove(FoldPosition.TopRight, 0.0, 0.0);
this.lastEnteredCorner = FoldPosition.TopRight;
}
else if (FoldHelper.MouseWithinBottomRightFoldArea(this.mousePoint, this.FoldSize, this.ActualWidth, this.ActualHeight))
{
this.RaiseCornerEnterMove(FoldPosition.BottomRight, 0.0, 0.0);
this.lastEnteredCorner = FoldPosition.BottomRight;
}
else
{
this.RaiseCornerLeave(FoldHelper.GetQuadrant(this.mousePoint, this));
this.lastEnteredCorner = FoldPosition.None;
}
}
else if (FoldHelper.MouseWithinTopLeftFoldArea(this.mousePoint, this.FoldSize))
{
this.RaiseCornerEnterMove(FoldPosition.TopLeft, 0.0, 0.0);
this.lastEnteredCorner = FoldPosition.TopLeft;
}
else if (FoldHelper.MouseWithinBottomLeftFoldArea(this.mousePoint, this.FoldSize, this.ActualHeight))
{
this.RaiseCornerEnterMove(FoldPosition.BottomLeft, 0.0, 0.0);
this.lastEnteredCorner = FoldPosition.BottomLeft;
}
else
{
this.RaiseCornerLeave(FoldHelper.GetQuadrant(this.mousePoint, this));
this.lastEnteredCorner = FoldPosition.None;
}
}
