/// <summary>
/// 鼠标按下
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void contentsCanvas_MouseDown(object sender, MouseButtonEventArgs e)
{
///取消连线
if (e.LeftButton == MouseButtonState.Pressed && e.RightButton == MouseButtonState.Released &&
isPressAlt && currentMouseOverFunctionBox != null && currentMouseOverFunctionBox.MouseMoveUI != null)
{
removeMLParamitemBezierLine(currentMouseOverFunctionBox.MouseMoveUI);
return;
}
if (e.RightButton == MouseButtonState.Pressed && e.LeftButton == MouseButtonState.Released &&
currentMouseOverFunctionBox == null)
{
isMove = true;
forntPoint = e.GetPosition(contentsCanvas);
}
else if (e.LeftButton == MouseButtonState.Pressed && currentMouseOverFunctionBox != null &&
currentMouseOverFunctionBox.MouseMoveUI == null)
{
isMove = true;
forntPoint = e.GetPosition(contentsCanvas);
}
else if (e.LeftButton == MouseButtonState.Pressed && e.RightButton == MouseButtonState.Released &&
currentMouseOverFunctionBox == null)
{
cancleSelectBox();
isToRect = true;
forntPoint = e.GetPosition(contentsCanvas);
}
else if (e.LeftButton == MouseButtonState.Pressed && e.RightButton == MouseButtonState.Released &&
currentMouseOverFunctionBox != null && currentMouseOverFunctionBox.MouseMoveUI != null)
{
HiddenTree();
iscreateBz = true;
creatBz = null;
creatBz = new BezierLine();
previous = currentMouseOverFunctionBox.MouseMoveUI;
if (currentMouseOverFunctionBox.MouseMoveUI as BezierLinkLayout.ScriptIParameterLayout.InputParaItemLayout == null)
{
creatPoint = e.GetPosition(contentsCanvas);
creatBz.BindPointEnd(this, "CreatPoint");
creatBz.BindPointStart(currentMouseOverFunctionBox.MouseMoveUI, "LinkPosition");
//startisleft = false;
}
else
{
creatBz.BindPointEnd(currentMouseOverFunctionBox.MouseMoveUI, "LinkPosition");
creatPoint = e.GetPosition(contentsCanvas);
creatBz.BindPointStart(this, "CreatPoint");
//startisleft = true;
}
if (creatBz != null)
{
Add(creatBz);
Canvas.SetZIndex(creatBz, -10);
}
//contentsCanvas.CaptureMouse(); //限制鼠标
}
}
/// <summary>
/// 连接贝塞尔曲线到2个点
/// </summary>
/// <param name="bz"></param>
/// <param name="mlp1"></param>
/// <param name="mlp2"></param>
public void LinkBezier(BezierLine bz, MLParatItemLayout mlp1, MLParatItemLayout mlp2, bool isAddtoCanvas = true)
{
if (bz == null || mlp1 == null || mlp2 == null)
{
return;
}
BezierLine ol = mlp1.SetLink(bz);
if (ol != null)
{
Del(ol);
}
ol = mlp2.SetLink(bz);
if (ol != null)
{
Del(ol);
}
bz.ClearStartBind();
bz.ClearEndBind();
if (mlp1 as BezierLinkLayout.ScriptIParameterLayout.InputParaItemLayout != null)
{
bz.BindPointStart(mlp2, "LinkPosition");
bz.BindPointEnd(mlp1, "LinkPosition");
}
else
{
bz.BindPointStart(mlp1, "LinkPosition");
bz.BindPointEnd(mlp2, "LinkPosition");
}
IParatItem ipl = (bz.LeftElement.DataContext as IParatItem);
IParatItem ipr = (bz.RightElement.DataContext as IParatItem);
ipl.LinkIParatItem = ipr;
ipr.LinkIParatItem = ipl;
bz.Color = ipl.Color;
if (isAddtoCanvas)
{
Add(bz);
}
}
