private void MouseDown(MouseEventArgs e, EventHandleStatus status)
{
Point viewPoint = _modelEditor.ToViewCoord(e.Location);
if (e.Button == MouseButtons.Left)
{
IInternalSelection sel = _modelEditor.BindingEnvironment as IInternalSelection;
//是否点中了锚点
_currentElement = sel.GetActionElementAt(viewPoint, out _currentAnchorIndex);
if (_currentElement != null && _currentAnchorIndex != -1)
{
_startPoint = viewPoint;
_prePoint = _startPoint;
_oprType = enumOprType.Anchor;
status.Handled = true;
}
else//点中了除锚点外的其它区域
{
_currentElement = sel.Select(viewPoint);
if (_currentElement != null)
{
_startPoint = viewPoint;
_prePoint = _startPoint;
_oprType = enumOprType.Move;
status.Handled = true;
}
_modelEditor.Render();
}
}
}
private void MouseUp(MouseEventArgs e, EventHandleStatus status)
{
_prePoint = Point.Empty;
_startPoint = Point.Empty;
_currentElement = null;
_currentAnchorIndex = -1;
_oprType = enumOprType.None;
}
private void AddActionInfoToEditor(ActionInfo info, Point point)
{
ActionElement ele = new ActionElement(info);
ele.Location = ToViewCoord(point);
_bindingEnvironment.Add(ele);
_container.Invalidate();
}
public void Add(ActionElement ele)
{
ele.Name = GetUniqueName(ele);
_actionElements.Add(ele);
if (_actionElements.Count == 3)
{
_actionElementLinks.Add(new ActionElementLink(_actionElements[0], _actionElements[1]));
_actionElementLinks.Add(new ActionElementLink(_actionElements[1], _actionElements[2]));
_actionElementLinks.Add(new ActionElementLink(_actionElements[2], _actionElements[0]));
}
}
private string GetUniqueName(ActionElement ele)
{
string exp = @"(?<NAME>\S*)\((?<ID>\d+)\)$";
foreach (ActionElement e in _actionElements)
{
if (e.Name.ToUpper() == ele.Name.ToUpper())
{
string name = ele.Name;
int idx = GetMaxIdx(ele.Name, exp);
return(name + "(" + idx.ToString() + ")");
}
}
return(ele.Name);
}
public static void LoadFrom(string[] assemblyDirs, string scriptfilename, out List <ActionElement> elements, out List <ActionElementLink> links)
{
elements = null;
links = null;
using (TaskScriptParser parser = new TaskScriptParser(assemblyDirs))
{
ArgAutoBingdingEnvironment env = null;
parser.FromTaskScriptFile(scriptfilename, out env);
if (env == null || env.ActionArgSettings == null || env.ActionArgSettings.Length == 0)
{
throw new Exception("脚本文件\"" + scriptfilename + "\"为空。");
}
Dictionary <int, ActionElement> eles = new Dictionary <int, ActionElement>();
Dictionary <LinkObject, ActionElementLink> linkObjs = new Dictionary <LinkObject, ActionElementLink>();
foreach (ActionArgCollection action in env.ActionArgSettings)
{
ActionElement ele = GetActionElement(action);
eles.Add(action.Id, ele);
//
foreach (ActionArg arg in action.ActionArgs)
{
switch (arg.ArgType)
{
case enumArgType.Value:
break;
case enumArgType.Var:
break;
case enumArgType.Ref:
LinkObject lnkObj = GetLinkObject(linkObjs, action.Id, arg.RefActionId);
if (lnkObj != null) //添加一条函数映射关系
{
}
else
{
ActionElement refActionElement = GetActionElement(arg.RefActionId, eles);
ActionElementLink actionLnk = new ActionElementLink(refActionElement, ele);
linkObjs.Add(new LinkObject(action.Id, arg.RefActionId), actionLnk);
}
break;
}
}
}
elements = new List <ActionElement>(eles.Values.ToArray());
links = new List <ActionElementLink>(linkObjs.Values.ToArray());
}
}
public ActionElementLink(ActionElement preAction, ActionElement nextAction)
{
_preActionElement = preAction;
_nextActionElement = nextAction;
}
public static void GetLinkLine(ActionElement fAction, ActionElement tAction, out PointF fpt, out PointF tpt)
{
//直线点
PointF p1 = new PointF(fAction.Location.X + fAction.Size.Width / 2, fAction.Location.Y + fAction.Size.Height / 2);
fpt = p1;
PointF p2 = new PointF(tAction.Location.X + tAction.Size.Width / 2, tAction.Location.Y + tAction.Size.Height / 2);
//椭圆的点
PointF ep1 = new PointF(tAction.Location.X, tAction.Location.Y + tAction.Size.Height / 2); //左边的点
PointF ep2 = new PointF(tAction.Location.X + tAction.Size.Width / 2, tAction.Location.Y); //上边的点
//将这些点变换到直角坐标系
PointF[] pts = new PointF[] { p1, p2, ep1, ep2 };
Matrix m = new Matrix();
m.Scale(1f, -1f);
m.Translate(-(tAction.Location.X + tAction.Size.Width / 2), -(tAction.Location.Y + tAction.Size.Height / 2));
m.TransformPoints(pts);
p1 = pts[0];
p2 = pts[1];
ep1 = pts[2];
ep2 = pts[3];
//
double x = 0, y = 0;
//计算直线的参数
if (Math.Abs(p2.X - p1.X) < float.Epsilon) //两个椭圆的中心都与Y轴重合
{
x = p1.X;
if (p1.Y < p2.Y)
{
y = ep2.Y - tAction.Size.Height;
}
else
{
y = ep2.Y;
}
}
else
{
float k = (p2.Y - p1.Y) / (p2.X - p1.X);
//计算椭圆的参数
float c = Math.Abs(ep1.X), d = Math.Abs(ep2.Y); //X^2/c + Y^2/d = 1
c *= c;
d *= d;
//计算交点
double x1 = 0, y1 = 0, x2 = 0, y2 = 0;
x1 = Math.Sqrt((c * d) / (d + c * k * k));
x2 = -x1;
y1 = k * x1;
y2 = k * x2;
//坐标反变换到屏幕坐标
if (p1.X > 0)
{
x = x1 > 0 ? x1 : x2;
}
else
{
x = x1 > 0 ? x2 : x1;
}
if (p1.Y > 0)
{
y = y1 > 0 ? y1 : y2;
}
else
{
y = y1 > 0 ? y2 : y1;
}
}
pts = new PointF[] { new PointF((float)x, (float)y) };
m.Invert();
m.TransformPoints(pts);
tpt = pts[0];
m.Dispose();
}
