public async Task <object> DeleteCourse(int iCourseId)
{
List <KeyValuePair <string, string> > lstCommands = new List <KeyValuePair <string, string> >();
lstCommands.Add(new KeyValuePair <string, string>("event", "delete"));
this.CommandToExecute = CanvasCommand.DELETE_COURSE;
string sUrl = await CommandUrl();
sUrl = string.Format(sUrl, iCourseId);
if (lstCommands != null && lstCommands.Count > 0)
{
if (sUrl.EndsWith("/"))
{
sUrl = sUrl.Substring(0, sUrl.Length - 1);
}
sUrl = string.Concat(sUrl, "?1=1");
foreach (KeyValuePair <string, string> aCommand in lstCommands)
{
string sParamName = aCommand.Key;
string sParamValue = aCommand.Value;
if ((!string.IsNullOrEmpty(sParamName) && (!string.IsNullOrEmpty(sParamValue))))
{
sUrl = string.Concat(sUrl, "&", sParamName, "=", sParamValue);
}
}
}
return(await Execute(sUrl));
}
public async Task <object> MarkEntryAsRead(int iCourseId, int iDiscussionTopicId, int iEntryId)
{
this.CommandToExecute = CanvasCommand.MARK_ENTRY_AS_READ;
string sUrl = string.Format(await CommandUrl(), iCourseId, iDiscussionTopicId, iEntryId);
return(await Execute(sUrl));
}
public async Task <object> GetCourseDiscussionEntries(int iCourseId, int iDiscussionTopicId)
{
this.CommandToExecute = CanvasCommand.GET_COURSE_DISCUSSION_ENTRIES;
string sUrl = string.Format(await CommandUrl(), iCourseId, iDiscussionTopicId);
return(await Execute(sUrl));
}
public async Task <object> GetCourseDiscussionsTopics(int iCourseId)
{
this.CommandToExecute = CanvasCommand.GET_COURSE_DISCUSSIONS_TOPICS;
string sUrl = string.Format(await CommandUrl(), iCourseId);
return(await Execute(sUrl));
}
public async Task <object> GetCourseDetail(int iCourseId)
{
this.CommandToExecute = CanvasCommand.GET_COURSE_DETAIL;
string sUrl = string.Concat(await CommandUrl(), "/", iCourseId);
return(await Execute(sUrl));
}
public async Task <object> ReplyToTopicEntry(int iCourseId, int iDiscussionTopicId, int iEntryId, string sReply)
{
this.CommandToExecute = CanvasCommand.REPLY_TO_DISCUSSION_ENTRY;
string sUrl = string.Format(await CommandUrl(), iCourseId, iDiscussionTopicId, iEntryId);
sUrl = string.Concat(sUrl, "?1=1&message=", HttpUtility.UrlEncode(sReply));
return(await Execute(sUrl));
}
//public void DrawAt ()
//{
// if (Width > 0 && Height > 0)
// {
// int origX = Console.CursorLeft;
// int origY = Console.CursorTop;
// int endX = origX + Width + 2;
// int endY = origY + Height + 2;
// // Draw outer canvas
// for (int i = 0; i < Width + 2; i++)
// {
// // Top border
// Point.DrawAt(H_BORDER, origX + i, origY);
// // Bottom Border
// Point.DrawAt(H_BORDER, origX + i, origY + Height + 1);
// }
// for (int i = 0; i < Height; i++)
// {
// // Left Border
// Point.DrawAt(V_BORDER, origX, origY + i + 1);
// // Rigth Border
// Point.DrawAt(V_BORDER, origX + Width + 2, origY + i + 1);
// }
// // Draw inner canvas
// for (int x = 0; x < Width; x++)
// {
// for(int y = 0; y < Height; y++)
// {
// if (CanvasArray[x,y] != '\0')
// {
// Point.DrawAt(CanvasArray[x, y], origX + x + 1, origY + y + 1);
// }
// }
// }
// // reset the cursor to end of last line
// Console.SetCursorPosition(endX, endY);
// }
// else
// {
// throw new Exception("Width and Height must be positive integers. Width: " + Width + " x Height: " + Height + " is not valid. Please specify a valid width and height.");
// }
//}
#endregion
public static Canvas CreateCanvas(
CommandEntity command
)
{
CanvasCommand canvasCommand = (CanvasCommand)command;
return(new Canvas(
canvasCommand.Width,
canvasCommand.Height
));
}
public void TestCanvasCreateCanvas()
{
int width = 10;
int height = 10;
CommandEntity command = new CanvasCommand(width, height);
Canvas canvas = Canvas.CreateCanvas(command);
Assert.AreEqual(width, canvas.Width);
Assert.AreEqual(height, canvas.Height);
}
/// <summary>
/// Creates the command.
/// </summary>
/// <param name="input">The input command.</param>
/// <returns></returns>
public static ICommand CreateCommand(string input)
{
ICommand command = null;
try
{
var inputSplit = input.Split(' ');
switch (inputSplit[0])
{
case "C":
command = new CanvasCommand(inputSplit[1], inputSplit[2]);
break;
case "L":
command = new LineCommand(inputSplit[1], inputSplit[2],
inputSplit[3], inputSplit[4]);
break;
case "R":
command = new RectCommand(inputSplit[1], inputSplit[2],
inputSplit[3], inputSplit[4]);
break;
case "B":
command = new FillCommand(inputSplit[1], inputSplit[2],
inputSplit[3]);
break;
case "Q":
command = new QuitCommand();
break;
default:
break;
}
if (command != null && !command.IsValid)
{
command = null;
}
}
catch (System.Exception)
{
command = null;
}
return(command);
}
public async Task <object> UpdateCourse(Courses.Add Update, int iCourseId)
{
if (Update != null)
{
List <KeyValuePair <string, string> > lstCommands = new List <KeyValuePair <string, string> >();
lstCommands.Add(new KeyValuePair <string, string>("course[name]", Update.CourseName));
lstCommands.Add(new KeyValuePair <string, string>("course[public_description]", Update.CourseDescription));
if (Update.StartDate != null)
{
lstCommands.Add(new KeyValuePair <string, string>("course[start_at]", Update.StartDate.Value.ToString("o")));
}
if (Update.EndDate != null)
{
lstCommands.Add(new KeyValuePair <string, string>("course[end_at]", Update.EndDate.Value.ToString("o")));
}
lstCommands.Add(new KeyValuePair <string, string>("enroll_me", true.ToString().ToLower()));
lstCommands.Add(new KeyValuePair <string, string>("course[is_public]", true.ToString().ToLower()));
lstCommands.Add(new KeyValuePair <string, string>("course[self_enrollment]", true.ToString().ToLower()));
this.CommandToExecute = CanvasCommand.UPDATE_COURSE;
string sUrl = await CommandUrl();
sUrl = string.Format(sUrl, iCourseId);
if (lstCommands != null && lstCommands.Count > 0)
{
if (sUrl.EndsWith("/"))
{
sUrl = sUrl.Substring(0, sUrl.Length - 1);
}
sUrl = string.Concat(sUrl, "?1=1");
foreach (KeyValuePair <string, string> aCommand in lstCommands)
{
string sParamName = aCommand.Key;
string sParamValue = aCommand.Value;
if ((!string.IsNullOrEmpty(sParamName) && (!string.IsNullOrEmpty(sParamValue))))
{
sUrl = string.Concat(sUrl, "&", sParamName, "=", sParamValue);
}
}
}
return(await Execute(sUrl));
}
return(null);
}
private static void Record(CanvasCommand canvasCommand, AvaloniaPicture avaloniaPicture)
{
if (avaloniaPicture is null || avaloniaPicture._commands is null)
{
return;
}
switch (canvasCommand)
{
case ClipPathCanvasCommand clipPathCanvasCommand:
{
var path = clipPathCanvasCommand.ClipPath.ToGeometry(false);
if (path is { })
{
// TODO: clipPathCanvasCommand.Operation;
// TODO: clipPathCanvasCommand.Antialias;
avaloniaPicture._commands.Add(new GeometryClipDrawCommand(path));
}
}
private async Task <List <CanvasAccountModel> > AccountList()
{
if (_AccountList == null)
{
this.CommandToExecute = CanvasCommand.GET_ACCOUNT_LIST;
string sUrl = await this.CommandUrl();
object oResponse = await Execute(sUrl);
if (oResponse != null)
{
string sJson = oResponse as string;
if (sJson != null)
{
_AccountList = sJson.FromJson <List <CanvasAccountModel> >();
}
}
}
return(_AccountList);
}
public async Task <object> Execute(CanvasCommand cmd, List <KeyValuePair <string, string> > lstCommands)
{
this.CommandToExecute = cmd;
string sUrl = await CommandUrl();
if (lstCommands != null && lstCommands.Count > 0)
{
if (sUrl.EndsWith("/"))
{
sUrl = sUrl.Substring(0, sUrl.Length - 1);
}
sUrl = string.Concat(sUrl, "?1=1");
foreach (KeyValuePair <string, string> aCommand in lstCommands)
{
string sParamName = aCommand.Key;
string sParamValue = aCommand.Value;
if ((!string.IsNullOrEmpty(sParamName) && (!string.IsNullOrEmpty(sParamValue))))
{
sUrl = string.Concat(sUrl, "&", sParamName, "=", sParamValue);
}
}
}
return(await Execute(sUrl));
}
private static void Record(CanvasCommand canvasCommand, AvaloniaPicture avaloniaPicture)
{
if (avaloniaPicture == null || avaloniaPicture._commands == null)
{
return;
}
switch (canvasCommand)
{
case ClipPathCanvasCommand clipPathCanvasCommand:
{
var path = clipPathCanvasCommand.ClipPath.ToGeometry(false);
if (path != null)
{
// TODO: clipPathCanvasCommand.Operation;
// TODO: clipPathCanvasCommand.Antialias;
avaloniaPicture._commands.Add(new GeometryClipDrawCommand(path));
}
}
break;
case ClipRectCanvasCommand clipRectCanvasCommand:
{
var rect = clipRectCanvasCommand.Rect.ToSKRect();
// TODO: clipRectCanvasCommand.Operation;
// TODO: clipRectCanvasCommand.Antialias;
avaloniaPicture._commands.Add(new ClipDrawCommand(rect));
}
break;
case SaveCanvasCommand _:
{
// TODO:
avaloniaPicture._commands.Add(new SaveDrawCommand());
}
break;
case RestoreCanvasCommand _:
{
// TODO:
avaloniaPicture._commands.Add(new RestoreDrawCommand());
}
break;
case SetMatrixCanvasCommand setMatrixCanvasCommand:
{
var matrix = setMatrixCanvasCommand.Matrix.ToMatrix();
avaloniaPicture._commands.Add(new SetTransformDrawCommand(matrix));
}
break;
case SaveLayerCanvasCommand saveLayerCanvasCommand:
{
// TODO:
avaloniaPicture._commands.Add(new SaveLayerDrawCommand());
}
break;
case DrawImageCanvasCommand drawImageCanvasCommand:
{
if (drawImageCanvasCommand.Image != null)
{
var image = drawImageCanvasCommand.Image.ToBitmap();
if (image != null)
{
var source = drawImageCanvasCommand.Source.ToSKRect();
var dest = drawImageCanvasCommand.Dest.ToSKRect();
var bitmapInterpolationMode = drawImageCanvasCommand.Paint?.FilterQuality.ToBitmapInterpolationMode() ?? AVMI.BitmapInterpolationMode.Default;
avaloniaPicture._commands.Add(new ImageDrawCommand(image, source, dest, bitmapInterpolationMode));
}
}
}
break;
case DrawPathCanvasCommand drawPathCanvasCommand:
{
if (drawPathCanvasCommand.Path != null && drawPathCanvasCommand.Paint != null)
{
(var brush, var pen) = drawPathCanvasCommand.Paint.ToBrushAndPen();
if (drawPathCanvasCommand.Path.Commands?.Count == 1)
{
var pathCommand = drawPathCanvasCommand.Path.Commands[0];
var success = false;
switch (pathCommand)
{
case AddRectPathCommand addRectPathCommand:
{
var rect = addRectPathCommand.Rect.ToSKRect();
avaloniaPicture._commands.Add(new RectangleDrawCommand(brush, pen, rect, 0, 0));
success = true;
}
break;
case AddRoundRectPathCommand addRoundRectPathCommand:
{
var rect = addRoundRectPathCommand.Rect.ToSKRect();
var rx = addRoundRectPathCommand.Rx;
var ry = addRoundRectPathCommand.Ry;
avaloniaPicture._commands.Add(new RectangleDrawCommand(brush, pen, rect, rx, ry));
success = true;
}
break;
case AddOvalPathCommand addOvalPathCommand:
{
var rect = addOvalPathCommand.Rect.ToSKRect();
var ellipseGeometry = new AM.EllipseGeometry(rect);
avaloniaPicture._commands.Add(new GeometryDrawCommand(brush, pen, ellipseGeometry));
success = true;
}
break;
case AddCirclePathCommand addCirclePathCommand:
{
var x = addCirclePathCommand.X;
var y = addCirclePathCommand.Y;
var radius = addCirclePathCommand.Radius;
var rect = new A.Rect(x - radius, y - radius, radius + radius, radius + radius);
var ellipseGeometry = new AM.EllipseGeometry(rect);
avaloniaPicture._commands.Add(new GeometryDrawCommand(brush, pen, ellipseGeometry));
success = true;
}
break;
case AddPolyPathCommand addPolyPathCommand:
{
if (addPolyPathCommand.Points != null)
{
var points = addPolyPathCommand.Points.ToPoints();
var close = addPolyPathCommand.Close;
var polylineGeometry = new AM.PolylineGeometry(points, close);
avaloniaPicture._commands.Add(new GeometryDrawCommand(brush, pen, polylineGeometry));
success = true;
}
}
break;
}
if (success)
{
break;
}
}
if (drawPathCanvasCommand.Path.Commands?.Count == 2)
{
var pathCommand1 = drawPathCanvasCommand.Path.Commands[0];
var pathCommand2 = drawPathCanvasCommand.Path.Commands[1];
if (pathCommand1 is MoveToPathCommand moveTo && pathCommand2 is LineToPathCommand lineTo)
{
var p1 = new A.Point(moveTo.X, moveTo.Y);
var p2 = new A.Point(lineTo.X, lineTo.Y);
avaloniaPicture._commands.Add(new LineDrawCommand(pen, p1, p2));
break;
}
}
var geometry = drawPathCanvasCommand.Path.ToGeometry(brush != null);
if (geometry != null)
{
avaloniaPicture._commands.Add(new GeometryDrawCommand(brush, pen, geometry));
}
}
}
break;
case DrawTextBlobCanvasCommand drawPositionedTextCanvasCommand:
{
// TODO:
}
break;
case DrawTextCanvasCommand drawTextCanvasCommand:
{
if (drawTextCanvasCommand.Paint != null)
{
(var brush, _) = drawTextCanvasCommand.Paint.ToBrushAndPen();
var text = drawTextCanvasCommand.Paint.ToFormattedText(drawTextCanvasCommand.Text);
var x = drawTextCanvasCommand.X;
var y = drawTextCanvasCommand.Y;
var origin = new A.Point(x, y - drawTextCanvasCommand.Paint.TextSize);
avaloniaPicture._commands.Add(new TextDrawCommand(brush, origin, text));
}
}
break;
case DrawTextOnPathCanvasCommand drawTextOnPathCanvasCommand:
{
// TODO:
}
break;
default:
break;
}
}
public async Task <object> Execute(CanvasCommand cmd)
{
return(await Execute(cmd, null));
}