private MDF_Line CreateLine(MDF_ConnectLineModel linemodel)
{
if (canvasLine == null)
{
return(null);
}
if (LineSource == null)
{
return(null);
}
if (m_dicitem.Where(p => p.Key == linemodel.From).Count() == 0)
{
return(null);
}
if (m_dicitem.Where(p => p.Key == linemodel.To).Count() == 0)
{
return(null);
}
ConnectItem from = m_dicitem[linemodel.From];
ConnectItem to = m_dicitem[linemodel.To];
if (from == null || to == null)
{
return(null);
}
if (LineCheck != null)
{
if (!LineCheck.AddLineCheck(from.DataContext as MDF_ConnectItemModel, to.DataContext as MDF_ConnectItemModel))
{
return(null);
}
}
//判断是否已存在，如果存在则执行创建线
var v = canvasLine.Children.FirstOrDefault(p => ((p as MDF_Line).DataContext as MDF_ConnectLineModel).From == linemodel.From &&
((p as MDF_Line).DataContext as MDF_ConnectLineModel).To == linemodel.To);
if (v != null)
{
return(null);
}
MDF_Line line = new MDF_Line();
line.SetBinding(MDF_Line.StyleProperty, new Binding()
{
Source = this, Path = new PropertyPath("LineStyle")
});
line.DataContext = linemodel;
canvasLine.Children.Add(line);
ComputeLineInfo(line);
line.LineSelected += line_LineSelected;
return(line);
}
/// <summary>
/// 删除线
/// </summary>
/// <param name="model"></param>
private void DeleteLine(MDF_ConnectLineModel model)
{
if (canvasLine == null)
{
return;
}
if (model == null)
{
return;
}
MDF_Line line = canvasLine.Children.FirstOrDefault(p => ((p as FrameworkElement).DataContext as MDF_ConnectLineModel) == model) as MDF_Line;
if (line == null)
{
return;
}
if (LineCheck != null && !LineCheck.DeleckLine(model))
{
return;
}
line.LineSelected -= line_LineSelected;
canvasLine.Children.Remove(line);
LineSource.Remove(model);
}
public async Task <IHttpActionResult> PutLineCheck(int id, LineCheck lineCheck)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (id != lineCheck.Id)
{
return(BadRequest());
}
db.Entry(lineCheck).State = EntityState.Modified;
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!LineCheckExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(StatusCode(HttpStatusCode.NoContent));
}
public async Task <IHttpActionResult> GetLineCheck(int id)
{
LineCheck lineCheck = await db.LineCheck.FindAsync(id);
if (lineCheck == null)
{
return(NotFound());
}
return(Ok(lineCheck));
}
public async Task <IHttpActionResult> PostLineCheck(LineCheck lineCheck)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
db.LineCheck.Add(lineCheck);
await db.SaveChangesAsync();
return(CreatedAtRoute("DefaultApi", new { id = lineCheck.Id }, lineCheck));
}
public async Task <IHttpActionResult> DeleteLineCheck(int id)
{
LineCheck lineCheck = await db.LineCheck.FindAsync(id);
if (lineCheck == null)
{
return(NotFound());
}
db.LineCheck.Remove(lineCheck);
await db.SaveChangesAsync();
return(Ok(lineCheck));
}
static bool CheckPoints(List <Point> points)
{
if (points.Count < 3)
{
return(true);
}
else
{
var check = new LineCheck(points[0], points[1]);
foreach (var testPoint in points.Skip(2))
{
if (!check.IsPointOnLine(testPoint))
{
return(false);
}
}
return(true);
}
}
public Form_Main()
{
InitializeComponent();
lineChecker = new LineCheck(dataGridView_game, (int)numericUpDown_connectk.Value);
startGame();
}
