private List <object> DictToFormsList(JArray content)
{
List <object> forms = new List <object>();
foreach (JObject coloredForm in content)
{
Dictionary <string, object> pdict = JsonConvert.DeserializeObject <Dictionary <string, object> >(coloredForm.ToString());
Dictionary <string, string> formElement = JsonConvert.DeserializeObject <Dictionary <string, string> >(pdict["content"].ToString());
switch (pdict["type"])
{
case "LINE":
ColoredLine line = DictToLine(formElement);
forms.Add(line);
break;
case "CIRCLE":
ColoredCircle circle = DictToCircle(formElement);
forms.Add(circle);
break;
case "PATH":
ColoredPath path = DictToPath(formElement);
forms.Add(path);
break;
case "RECTANGLE":
ColoredRectangle rectangle = DictToRectangle(formElement);
forms.Add(rectangle);
break;
}
}
return(forms);
}
private JObject Jsonify(ColoredPath path)
{
string colourHash = path.Color.ToString();
string SVGPath = path.Path.ToSvgPathData();
float strokeWidth = path.StrokeWidth;
JObject json = new JObject(new JProperty("type", "PATH"),
new JProperty("content", new JObject(
new JProperty("svgpath", SVGPath),
new JProperty("colorHash", colourHash),
new JProperty("strokeWidth", strokeWidth))));
return(json);
}
//Evenement déclenché quand une nouvelle forme ou instruction est reçue par le client
private void UpdateUi(Object o, UpdateUIEventArgs eventArgs)
{
lock (forms)
{
switch (eventArgs.Type)
{
case "PATH":
ColoredPath coloredPath = eventArgs.Path;
forms.Add(coloredPath);
break;
case "CIRCLE":
ColoredCircle coloredCircle = eventArgs.Circle;
forms.Add(coloredCircle);
break;
case "LINE":
ColoredLine coloredLine = eventArgs.Line;
forms.Add(coloredLine);
break;
case "RECTANGLE":
ColoredRectangle coloredRectangle = eventArgs.Rectangle;
forms.Add(coloredRectangle);
break;
case "CLEAR":
forms.Clear();
break;
case "SIZE":
width = eventArgs.Width;
height = eventArgs.Height;
break;
case "REQUEST_STATUS":
asyncClient.RestoreWhiteboard(this.forms, eventArgs.client_id);
break;
case "RESTORE":
forms = eventArgs.Forms;
break;
}
View.InvalidateSurface();
}
}
private void ReceivePackage(Object o, PacketReceivedEventArgs eventArgs)
{
Dictionary <string, object> pdict = JsonConvert.DeserializeObject <Dictionary <string, object> >(eventArgs.data);
Dictionary <string, string> content;;
UpdateUIEventArgs UiEventArgs;
switch (pdict["type"])
{
case "PATH":
content = JsonConvert.DeserializeObject <Dictionary <string, string> >(pdict["content"].ToString());
ColoredPath path = DictToPath(content);
UiEventArgs = new UpdateUIEventArgs {
Type = "PATH", Path = path
};
UpdateUIEventHandler.OnUpdateUI(this, UiEventArgs);
break;
case "CIRCLE":
content = JsonConvert.DeserializeObject <Dictionary <string, string> >(pdict["content"].ToString());
ColoredCircle circle = DictToCircle(content);
UiEventArgs = new UpdateUIEventArgs {
Type = "CIRCLE", Circle = circle
};
UpdateUIEventHandler.OnUpdateUI(this, UiEventArgs);
break;
case "LINE":
content = JsonConvert.DeserializeObject <Dictionary <string, string> >(pdict["content"].ToString());
ColoredLine line = DictToLine(content);
UiEventArgs = new UpdateUIEventArgs {
Type = "LINE", Line = line
};
UpdateUIEventHandler.OnUpdateUI(this, UiEventArgs);
break;
case "REQUEST_STATUS":
//Called for the host, when a new client is requesting the whiteboard's current state
content = JsonConvert.DeserializeObject <Dictionary <string, string> >(pdict["content"].ToString());
int id = int.Parse(content["id"]);
//the id corresponds to the client's id from the server's perspective
UiEventArgs = new UpdateUIEventArgs {
Type = "REQUEST_STATUS", client_id = id
};
UpdateUIEventHandler.OnUpdateUI(this, UiEventArgs);
break;
case "RECTANGLE":
content = JsonConvert.DeserializeObject <Dictionary <string, string> >(pdict["content"].ToString());
ColoredRectangle rectangle = DictToRectangle(content);
UiEventArgs = new UpdateUIEventArgs {
Rectangle = rectangle, Type = "RECTANGLE"
};
UpdateUIEventHandler.OnUpdateUI(this, UiEventArgs);
break;
case "SIZE":
content = JsonConvert.DeserializeObject <Dictionary <string, string> >(pdict["content"].ToString());
float w = float.Parse(content["width"]);
float h = float.Parse(content["height"]);
UiEventArgs = new UpdateUIEventArgs {
Width = w, Height = h, Type = "SIZE"
};
UpdateUIEventHandler.OnUpdateUI(this, UiEventArgs);
break;
case "CLEAR":
UiEventArgs = new UpdateUIEventArgs {
Type = "CLEAR"
};
UpdateUIEventHandler.OnUpdateUI(this, UiEventArgs);
break;
case "RESTORE":
JArray jArray = JArray.Parse(pdict["content"].ToString());
List <object> forms = DictToFormsList(jArray);
UiEventArgs = new UpdateUIEventArgs {
Type = "RESTORE", Forms = forms
};
UpdateUIEventHandler.OnUpdateUI(this, UiEventArgs);
break;
default:
Console.WriteLine("error parsing received data: {0}", eventArgs.data);
throw new ArgumentException(eventArgs.data);
}
}
public void Send(ColoredPath path)
{
JObject json = Jsonify(path);
SendData(json);
}