//实现的ISerializable接口，序列化时系统会自动调用它
public void GetObjectData(SerializationInfo info, StreamingContext context)
{
info.AddValue("GraphicsCount", _graphicsList.Count);
for (int i = 0; i < _graphicsList.Count; i++)
{
DrawObject w = _graphicsList[i];
info.AddValue("ObjectType" + i, w.GetType().FullName);
//调用扩充类中对应的方法
w.LoadSerializdInfo(info, i);
}
}
//反序列化时系统自动调用的方法（固定参数类型的特殊构造函数）
protected GraphicsList(SerializationInfo info, StreamingContext context)
{
_graphicsList = new List <DrawObject>();
int n = info.GetInt32("GraphicsCount");
for (int i = 0; i < n; i++)
{
string objectType = info.GetString("ObjectType" + i);
DrawObject w = (DrawObject)Assembly.GetExecutingAssembly().CreateInstance(objectType);
w.SaveDeserializdInfo(info, i);
_graphicsList.Add(w);
}
}
/// <summary>移动图形对象到指定位置,参数：层号,左上角x坐标,左上角y坐标,对象的ID</summary>
public void MoveObject(int dx, int dy, string idString)
{
string[] ids = idString.Split('@');
for (int i = 0; i < ids.Length; i++)
{
int index = FindObjectIndex(int.Parse(ids[i]));
if (index != -1)
{
DrawObject w = (DrawObject)CC.palette.graphics[index];
w.Move(dx, dy);
w.Selected = false;
RefreshPalette();
}
}
}
public override void OnMouseMove(Palette palette, MouseEventArgs e)
{
if (isNewObjectAdded == false)
{
return;
}
Point point = new Point(e.X, e.Y);
int index = CC.myService.FindObjectIndex(CC.ID);
if (e.Button == MouseButtons.Left)
{
DrawObject w = palette.graphics[index];
w.MoveHandleTo(point, 2);
}
palette.Refresh();
}
public override void OnMouseUp(Palette palette, MouseEventArgs e)
{
if (selectMode == SelectionMode.NetSelection)
{
palette.graphics.SelectInRectangle(palette.NetRectangle);
selectMode = SelectionMode.None;
palette.IsDrawNetRectangle = false;
}
int dx = (int)(lastPoint.X - startPoint.X);
int dy = (int)(lastPoint.Y - startPoint.Y);
string s = "";
if (selectMode == SelectionMode.Size)
{
if (resizedObject != null)
{
if (CC.userState != UserState.SingleUser)
{
s = resizedObject.ID.ToString() + "@" + resizedObjectHandle;
//x,y,移动对象ID和句柄,IPEndPoint
CC.me.SendToServer(string.Format("MoveObjectHandle,{0},{1},{2},{3}", lastPoint.X, lastPoint.Y, s, CC.me.client.Client.LocalEndPoint));
}
}
}
if (selectMode == SelectionMode.Move)
{
if (CC.userState != UserState.SingleUser)
{
int n = palette.graphics.SelectionCount;
s = "";
for (int i = n - 1; i >= 0; i--)
{
DrawObject w = palette.graphics.GetSelectedObject(i);
s += w.ID + "@";
}
//x,y,移动的对象ID集合,IPEndPoint
CC.me.SendToServer(string.Format("MoveObject,{0},{1},{2},{3}", dx, dy, s.TrimEnd('@'), CC.me.client.Client.LocalEndPoint));
}
}
if (resizedObject != null)
{
resizedObject = null;
}
palette.Capture = false;
palette.Refresh();
}
/// <summary>移动对象手柄到指定位置,参数：左上角x坐标,左上角y坐标,对象的ID和句柄号</summary>
public void MoveObjectHandle(int x, int y, string idString)
{
string[] s = idString.Split('@');
int id = int.Parse(s[0]);
int handleNumber = int.Parse(s[1]);
int index = FindObjectIndex(id);
if (index != -1)
{
DrawObject w = (DrawObject)CC.palette.graphics[index];
CC.isServerCommand = true;
w.MoveHandleTo(new Point(x, y), handleNumber);
CC.isServerCommand = false;
w.Selected = false;
RefreshPalette();
}
}
/// <summary>
/// 添加图形对象
/// </summary>
public void Add(DrawObject w)
{
_graphicsList.Add(w);
}
protected void AddOtherFields(DrawObject w)
{
w.penColor = this.penColor;
w.penWidth = this.penWidth;
w.ID = CC.ID;
}
public override void OnMouseDown(Palette palette, MouseEventArgs e)
{
CC.isToolPoint = true;
Point p = new Point(e.X, e.Y);
selectMode = SelectionMode.None;
int n = palette.graphics.SelectionCount;
for (int i = n - 1; i >= 0; i--)
{
DrawObject w = palette.graphics.GetSelectedObject(i);
int handleNumber = w.HitTest(p);
if (handleNumber > 0)
{
selectMode = SelectionMode.Size;
resizedObject = w;
resizedObjectHandle = handleNumber;
palette.graphics.UnselectAll();
w.Selected = true;
break;
}
}
if (selectMode == SelectionMode.None)
{
int n1 = palette.graphics.Count;
DrawObject w = null;
//查找是否有对象被选中
for (int i = n1 - 1; i >= 0; i--)
{
if (palette.graphics[i].HitTest(p) == 0)
{
w = palette.graphics[i];
break;
}
}
if (w != null)
{
selectMode = SelectionMode.Move;
if ((Control.ModifierKeys & Keys.Control) == 0 && !w.Selected)
{
palette.graphics.UnselectAll();
}
w.Selected = true;
palette.Cursor = Cursors.SizeAll;
}
}
if (selectMode == SelectionMode.None)
{
if ((Control.ModifierKeys & Keys.Control) == 0)
{
palette.graphics.UnselectAll();
}
selectMode = SelectionMode.NetSelection;
palette.IsDrawNetRectangle = true;
}
lastPoint.X = p.X;
lastPoint.Y = p.Y;
startPoint.X = p.X;
startPoint.Y = p.Y;
palette.Capture = true;
palette.NetRectangle = CC.GetNormalizedRectangle(startPoint, lastPoint);
palette.Refresh();
}
