// -----------------------------------------------------------------------------------------
// FUNCTIONS CALLED FROM CLIENT
/// <summary>
/// Add new element to canvas
/// </summary>
/// <param name="boardElement">element to add</param>
public void doAdd(BoardElement boardElement) // add board element to ink canvas
{
if (selectedObject != boardElement.id)
{
if (allBoardElements.ContainsKey(boardElement.id) && selectedObject != boardElement.id)
{
Dispatcher.Invoke(() =>
{
texting.Text = "ICI";
//texting.Text = Convert.ToString(boardElement.id);
}
);
doDelete(boardElement.id);
}
Dispatcher.Invoke(
() =>
{
boardElement.AddToCanvas(this, inkCanvas);
allBoardElements[boardElement.id] = boardElement;
bool firstTime = true;
long objectid = objectIDGenerator.GetId(boardElement.getElement(), out firstTime);
objectIdToBoardId.Add(objectid, boardElement.id);
});
}
}
/// <summary>
/// Delete element from canvas
/// </summary>
/// <param name="id">id of element to delete</param>
public void doDelete(int id) // delete board element from ink canvas
{
if (allBoardElements.ContainsKey(id))
{
Dispatcher.Invoke(
() =>
{
bool obol;
BoardElement boardElement = allBoardElements[id];
boardElement.DeleteFromCanvas(this, inkCanvas);
objectIdToBoardId.Remove(objectIDGenerator.GetId(allBoardElements[id].getElement(), out obol));
allBoardElements.Remove(id);
});
}
}
/*********************************************************************/
/**Method the main window can invoke to issue request to the server***/
/*********************************************************************/
/// <summary>
/// Method to invoke to ask the server to add an object
/// </summary>
/// <param name="b">Object to be added</param>
public void ask_add(BoardElement b)
{
connexionServer.addInstruction("ADD" + b.GetString());
}
/// <summary>
/// Method to invoke to ask the server to modify an object
/// </summary>
/// <param name="id"></param>
/// <param name="b"></param>
public void ask_modif(int id, BoardElement b)
{
connexionServer.addInstruction("MOD" + Convert.ToString(id) + " " + b.GetString());
}
/*******************************************************************/
/**Method the server will invoke to send instruction to the client**/
/*******************************************************************/
/// <summary>
/// Function that is to be called by the "connexionServer" object when it recieve a full instruction
/// </summary>
/// <param name="str">The instruction to treat</param>
private void runInstruction(String str)
{
String instructionName = str.Substring(0, 3);
if (instructionName.Equals("ADD")) //Adding request
{
int i = 3;
while (i < str.Length && str[i] != m_limitor && str[i] != ' ')
{
i++;
}
int id = int.Parse(str.Substring(3, i - 3));
BoardElement b = ObjectConverter.ReconvertElement(str.Substring(i + 1));
b.id = id;
mainWindow.doAdd(b);
}
if (instructionName.Equals("SEL")) //Selecting request
{
int i = 3;
while (i < str.Length && str[i] != m_limitor && str[i] != ' ')
{
i++;
}
int id = int.Parse(str.Substring(3, i - 3));
mainWindow.doSelect(id);
}
if (instructionName.Equals("DES")) //Deselecting request
{
mainWindow.doDeselect();
}
if (instructionName.Equals("DEL")) //Deletig request
{
int i = 3;
while (i < str.Length && str[i] != m_limitor && str[i] != ' ')
{
i++;
}
int id = int.Parse(str.Substring(3, i - 3));
mainWindow.doDelete(id);
}
if (instructionName.Equals("CLR")) //Request to clear the board
{
mainWindow.doClearAll();
}
if (instructionName.Equals("INF")) //Give info to the clients
{
String[] infos = str.Substring(3).Split(' ');
m_idCOnnexion = Convert.ToInt32(infos[0]);
m_nameBoard = infos[1];
}
if (instructionName.Equals("EXT")) //Tell the client to exit
{
mainWindow.doClearAll();
connexionServer.stop();
}
if (instructionName.Equals("ERR")) //Indicate an error to the client
{
string text = str.Substring(3);
mainWindow.doShowError(text);
}
}