private void Form1_MouseUp(object sender, MouseEventArgs e)
{
int H = 0;
int W = 0;
GObject GContainer = new GObject();
GObject GToDrag = new GObject();
GToDrag = GNetwork.GObjects[CurrObjDragIndx];
double d1 = 0;
double d2 = 0;
TimeSpan DTDrag = new TimeSpan();
DTDrag = DateTime.Now.Subtract(Tdown);
if ((Dragging == true) && (DTDrag.Milliseconds > DragTimeMin))
{
if ((GNetwork.GObjects[CurrObjDragIndx].Type == "Line") &&
(GNetwork.FindContainerObject(e.X, e.Y, ref GContainer, true) > -1))
{
//
// What is the point of the line to link ?
// The nearest to (Xdown,Ydown)
//
d1 = CommFnc.distance(Xdown, Ydown, GToDrag.x1, GToDrag.y1);
d2 = CommFnc.distance(Xdown, Ydown, GToDrag.x2, GToDrag.y2);
if (d1 <= d2)
{
GToDrag.x1 = (GContainer.x1 + GContainer.x2) / 2;
GToDrag.y1 = (GContainer.y1 + GContainer.y2) / 2;
GToDrag.Lnk1 = GContainer.Name;
}
else
{
GToDrag.x2 = (GContainer.x1 + GContainer.x2) / 2;
GToDrag.y2 = (GContainer.y1 + GContainer.y2) / 2;
GToDrag.Lnk2 = GContainer.Name;
}
}
else
{
W = GToDrag.x2 - GToDrag.x1;
H = GToDrag.y2 - GToDrag.y1;
GToDrag.x1 = e.X;
GToDrag.y1 = e.Y;
GToDrag.x2 = e.X + W;
GToDrag.y2 = e.Y + H;
GNetwork.AdjustLinkedTo(GToDrag.Name);
}
Cursor.Current = Cursors.Default;
Dragging = false;
this.Refresh();
}
}
public void MouseObject(MouseEventArgs e)
{
int H = 0;
int W = 0;
GObject GContainer = new GObject();
GObject GToDrag = new GObject();
GToDrag = GNetwork.GObjects[CurrObjDragIndx];//取出該元件實體
double d1 = 0;
double d2 = 0;
TimeSpan DTDrag = new TimeSpan();
DTDrag = DateTime.Now.Subtract(Tdown);//計算時間間隔
if ((Dragging == true) && (DTDrag.Milliseconds > DragTimeMin))
{
if ((GNetwork.GObjects[CurrObjDragIndx].Type == "Line") &&
(GNetwork.FindContainerObject(e.X, e.Y, ref GContainer, true) > -1))
{
//
// What is the point of the line to link ?
// The nearest to (Xdown,Ydown)
//
d1 = CommFnc.distance(Xdown, Ydown, GToDrag.x1, GToDrag.y1);
d2 = CommFnc.distance(Xdown, Ydown, GToDrag.x2, GToDrag.y2);
if (d1 <= d2)
{
GToDrag.x1 = (GContainer.x1 + GContainer.x2) / 2;
GToDrag.y1 = (GContainer.y1 + GContainer.y2) / 2;
GToDrag.Lnk1 = GContainer.Name;
}
else
{
GToDrag.x2 = (GContainer.x1 + GContainer.x2) / 2;
GToDrag.y2 = (GContainer.y1 + GContainer.y2) / 2;
GToDrag.Lnk2 = GContainer.Name;
}
}
else
{
W = GToDrag.x2 - GToDrag.x1; //移動元件的位置計算
H = GToDrag.y2 - GToDrag.y1; //移動元件的位置計算
GToDrag.x1 = e.X; //移動元件的位置計算
GToDrag.y1 = e.Y; //移動元件的位置計算
GToDrag.x2 = e.X + W; //移動元件的位置計算
GToDrag.y2 = e.Y + H; //移動元件的位置計算
GNetwork.AdjustLinkedTo(GToDrag.Name);
}
this.Refresh();//觸發重繪
}
}
public int FindContainerObject(int X, int Y, ref GObject GContainer, bool NoLineFlag)
{
GObject CurrObj;
bool inside = false;
int retval = -1;
double m = 0;
double q = 0;
double d = 0;
double dmax = 0;
double e = 0;
for (int i = 0; i < Nobj; i++)
{
CurrObj = GObjects[i];
if (CurrObj.Type != "Line")
{
//
// module of (x2,y2) is always > (x1,y1)
//
inside = (X >= CurrObj.x1) && (Y >= CurrObj.y1);
inside = inside && (X <= CurrObj.x2);
inside = inside && (Y <= CurrObj.y2);
}
else
{
//
// due to mobile links can be (x2,y2) > or < di (x1,y1)
// in this case we don't consider the container
// but only if we are next to the line
//
m = (double)(CurrObj.y2 - CurrObj.y1) / (CurrObj.x2 - CurrObj.x1);
q = (double)CurrObj.y1 - m * CurrObj.x1;
d = System.Math.Abs(Y - m * X - q) / System.Math.Sqrt(1 + m * m);
dmax = CommFnc.module(X, Y);
e = d / dmax;
inside = (e < PrcLineDist);
if (NoLineFlag == true)
{
inside = false;
}
}
if (inside == true)
{
GContainer = CurrObj;
retval = i;
}
}
return(retval);
}
private void saveToFileToolStripMenuItem_Click(object sender, EventArgs e)//儲存檔案
{
string SaveFileName = "";
string ErrSaving = "";
SaveFileName = CommFnc.AssignFileToSave();
if (GNetwork.SaveFile(SaveFileName, ref ErrSaving) == true)
{
toolStripStatusLabel1.Text = "File saved.";
}
else
{
toolStripStatusLabel1.Text = ErrSaving;
}
}
private void loadToolStripMenuItem_Click(object sender, EventArgs e)
{
string LoadFileName = "";
string ErrLoading = "";
LoadFileName = CommFnc.FindFileToOpen();
GNetwork.Clear();
if (GNetwork.LoadFile(LoadFileName, ref ErrLoading) == true)
{
toolStripStatusLabel1.Text = "File loaded in memory.";
}
else
{
toolStripStatusLabel1.Text = ErrLoading;
}
}
public bool LoadFile(string FileFullPath, ref string sErrFileMsg)
{
string sVariable = "";
string sValue = "";
string cFirst = "";
int i = 0;
int iLine = 0;
GObject NewGObj = new GObject();
sErrFileMsg = "";
try
{
using (StreamReader sr = new StreamReader(FileFullPath))
{
String sLine = "";
while (sLine != "end network file.")
{
sLine = sr.ReadLine();
iLine++;
if (sLine == "end object.")
{
sLine = sr.ReadLine();
iLine++;
}
if (sLine == "")
{
cFirst = "*";
}
else
{
cFirst = sLine.Substring(0, 1);
}
if (cFirst == "*")
{
// null o *-beginning lines are like comments
}
else
{
while ((sLine != "end object.") && (sLine != "end network file."))
{
CommFnc.RowDecode(sLine, ref sVariable, ref sValue);
switch (sVariable)
{
case "object":
NewGObj.Name = sValue;
break;
case "type":
NewGObj.Type = sValue;
break;
case "lnk1":
NewGObj.Lnk1 = sValue;
break;
case "lnk2":
NewGObj.Lnk2 = sValue;
break;
case "x1":
NewGObj.x1 = System.Convert.ToInt32(sValue);
break;
case "x2":
NewGObj.x2 = System.Convert.ToInt32(sValue);
break;
case "y1":
NewGObj.y1 = System.Convert.ToInt32(sValue);
break;
case "y2":
NewGObj.y2 = System.Convert.ToInt32(sValue);
break;
default:
break;
}
sLine = sr.ReadLine();
iLine++;
}
if (sLine == "end object.")
{
GObjects[i] = new GObject(NewGObj.Name, NewGObj.Type,
NewGObj.x1, NewGObj.y1, NewGObj.Lnk1, NewGObj.x2, NewGObj.y2, NewGObj.Lnk2);
i++;
CurrObjIndx = i;
}
}
}
}
return(true);
}
catch (Exception e)
{
sErrFileMsg = "Error reading file : " + e.Message + " line = " + i.ToString() + "\n";
return(false);
}
}