// 定位到特定节点
public override void FocusNode(Base.BaseNodeControl nodeControl)
{
if (nodeControl == null)
{
return;
}
var targetPos = RectCanvas.TranslatePoint(new Point(RectCanvas.ActualWidth * 0.5, RectCanvas.ActualHeight * 0.5), ViewBoxMain);
var currentPos = nodeControl.TranslatePoint(new Point(nodeControl.GetWidth() * 0.5, nodeControl.GetHeight() * 0.5), ViewBoxMain);
var left = Canvas.GetLeft(ViewBoxMain);
var top = Canvas.GetTop(ViewBoxMain);
mAnimTagLeft = left + targetPos.X - currentPos.X;
mAnimTagTop = top + targetPos.Y - currentPos.Y;
var transAnim = new DoubleAnimation();
transAnim.To = mAnimTagLeft;
transAnim.Duration = TimeSpan.FromSeconds(0.15);
transAnim.AccelerationRatio = 0.3;
transAnim.DecelerationRatio = 0.3;
transAnim.Completed += TransAnimX_Completed;
ViewBoxMain.BeginAnimation(Canvas.LeftProperty, transAnim);
transAnim = new DoubleAnimation();
transAnim.To = mAnimTagTop;
transAnim.Duration = TimeSpan.FromSeconds(0.15);
transAnim.AccelerationRatio = 0.3;
transAnim.DecelerationRatio = 0.3;
transAnim.Completed += TransAnimY_Completed;
ViewBoxMain.BeginAnimation(Canvas.TopProperty, transAnim);
}
public override void FocusNodes(Base.BaseNodeControl[] nodeControls)
{
if (nodeControls == null || nodeControls.Length <= 0)
{
return;
}
// 当前结点的包围大小（MainDrawCanvas上的坐标）
var curLeft = double.MaxValue;
var curTop = double.MaxValue;
var curRight = double.MinValue;
var curBottom = double.MinValue;
foreach (var node in nodeControls)
{
var loc = node.GetLocation();
if (curLeft > loc.X)
{
curLeft = loc.X;
}
if (curTop > loc.Y)
{
curTop = loc.Y;
}
var right = loc.X + node.GetWidth();
if (curRight < right)
{
curRight = right;
}
var bottom = loc.Y + node.GetWidth();
if (curBottom < bottom)
{
curBottom = bottom;
}
}
curLeft -= 50;
curTop -= 50;
curRight += 50;
curBottom += 50;
var tl = MainDrawCanvas.TranslatePoint(new Point(curLeft, curTop), ViewBoxMain);
var rb = MainDrawCanvas.TranslatePoint(new Point(curRight, curBottom), ViewBoxMain);
var tagVBMPt = new Point(tl.X + (rb.X - tl.X) * 0.5, tl.Y + (rb.Y - tl.Y) * 0.5);
var viewStart = RectCanvas.TranslatePoint(new Point(0, 0), ViewBoxMain);
var viewEnd = RectCanvas.TranslatePoint(new Point(RectCanvas.ActualWidth, RectCanvas.ActualHeight), ViewBoxMain);
var curVBMPt = new Point(viewStart.X + (viewEnd.X - viewStart.X) * 0.5, viewStart.Y + (viewEnd.Y - viewStart.Y) * 0.5);
//var scaleDeltaX = (viewEnd.X - viewStart.X) / (curRight - curLeft);
//var scaleDeltaY = (viewEnd.Y - viewStart.Y) / (curBottom - curTop);
var scaleDeltaX = (viewEnd.X - viewStart.X) / (rb.X - tl.X);
var scaleDeltaY = (viewEnd.Y - viewStart.Y) / (rb.Y - tl.Y);
var scaleDelta = Math.Min(scaleDeltaX, scaleDeltaY);
var tagWidth = scaleDelta * ViewBoxMain.ActualWidth;
var calScaleDelta = tagWidth / MainDrawCanvas.Width * 100;
if (calScaleDelta < mScaleDeltaMin)
{
scaleDelta = mScaleDeltaMin / 100 * MainDrawCanvas.Width / ViewBoxMain.ActualWidth;
}
else if (calScaleDelta > mScaleDeltaMax)
{
scaleDelta = mScaleDeltaMax / 100 * MainDrawCanvas.Width / ViewBoxMain.ActualWidth;
}
mAnimTagLeft = Canvas.GetLeft(ViewBoxMain) + (curVBMPt.X - tagVBMPt.X);
mAnimTagTop = Canvas.GetTop(ViewBoxMain) + (curVBMPt.Y - tagVBMPt.Y);
var deltaX = tagVBMPt.X / ViewBoxMain.ActualWidth;
var deltaY = tagVBMPt.Y / ViewBoxMain.ActualHeight;
mAnimTagLeft -= (ViewBoxMain.ActualWidth * scaleDelta - ViewBoxMain.ActualWidth) * deltaX;
mAnimTagTop -= (ViewBoxMain.ActualHeight * scaleDelta - ViewBoxMain.ActualHeight) * deltaY;
if (double.IsNaN(mAnimTagLeft) || double.IsInfinity(mAnimTagLeft))
{
return;
}
if (double.IsNaN(mAnimTagTop) || double.IsInfinity(mAnimTagTop))
{
return;
}
var transAnim = new DoubleAnimation();
transAnim.To = mAnimTagLeft;
transAnim.Duration = TimeSpan.FromSeconds(0.15);
transAnim.AccelerationRatio = 0.3;
transAnim.DecelerationRatio = 0.3;
transAnim.Completed += TransAnimX_Completed;
ViewBoxMain.BeginAnimation(Canvas.LeftProperty, transAnim);
transAnim = new DoubleAnimation();
transAnim.To = mAnimTagTop;
transAnim.Duration = TimeSpan.FromSeconds(0.15);
transAnim.AccelerationRatio = 0.3;
transAnim.DecelerationRatio = 0.3;
transAnim.Completed += TransAnimY_Completed;
ViewBoxMain.BeginAnimation(Canvas.TopProperty, transAnim);
ViewBoxMain.Width = ViewBoxMain.ActualWidth;
UpdateScaleInfoShow();
mAnimTagWidth = scaleDelta * ViewBoxMain.ActualWidth;
if (double.IsNaN(mAnimTagWidth) || double.IsInfinity(mAnimTagWidth))
{
return;
}
//ViewBoxMain.Width = mAnimTagWidth;
var anim = new DoubleAnimation();
anim.To = mAnimTagWidth;
anim.Duration = TimeSpan.FromSeconds(0.15);
anim.AccelerationRatio = 0.3;
anim.DecelerationRatio = 0.3;
anim.Completed += ScaleAnim_Completed;
ViewBoxMain.BeginAnimation(Viewbox.WidthProperty, anim);
}