private void btn_help_Click(object sender, EventArgs e)
{
HelpCommand help = new HelpCommand();
help.ShowDialog();
}
/// <summary>
/// read and execute command from textbox
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void txtCommand_KeyUp(object sender, KeyEventArgs e)
{
try {
if (e.KeyCode == Keys.Enter)
{
string cmd = txtCommand.Text;
if (cmd.ToLower().Equals("open")) //to open dialogbox from Pc
{
if (openFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
label1.Text = openFileDialog1.FileName;
txtCommand.Text = File.ReadAllText(label1.Text);
}
}
if (cmd.ToLower().Equals("save"))
{
if (saveFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
File.WriteAllText(saveFileDialog1.FileName, txtCommand.Text);
MessageBox.Show("File save succesfully");
}
}
if (cmd.ToLower().Equals("help")) //to open helpcommand form
{
HelpCommand help = new HelpCommand();
help.Show();
return;
}
if (!cmd.Contains(" "))
{
ShowStatus("Wrong command!! See help Command", false);
return;
}
string initialCommand = cmd.Split(' ')[0]; //Getting starting point
if (initialCommand.ToLower().Equals("drawto"))
{
if (!cmd.Contains(","))
{
ShowStatus("Wrong command: Eg. DrawTo 100,150", false);
return;
}
string xyPos = cmd.Split(' ')[1];
xAxis = int.Parse(xyPos.Split(',')[0]);
yAxis = int.Parse(xyPos.Split(',')[1]);
ShowStatus("Position successfully set to " + xAxis + " and " + yAxis, true);
}
else if (initialCommand.ToLower().Equals("moveto"))
{
if (!cmd.Contains(","))
{
ShowStatus("Wrong command: Eg. MoveTo 100,150", false);
return;
}
string xyPos = cmd.Split(' ')[1];
xAxis = int.Parse(xyPos.Split(',')[0]);
yAxis = int.Parse(xyPos.Split(',')[1]);
ShowStatus("Position successfully moved to " + xAxis + " and " + yAxis, true);
}
else if (initialCommand.ToLower().Equals("drawcircle")) //to draw circle from command
{
int radius = int.Parse(cmd.Split(' ')[1]);
shapes = shapeFactory.getShape("CIRCLE");
shapes.SetParam(xAxis, yAxis, radius, 0, pen.Color, false, "", lineY, lineY);
shapeList.Add(shapes);
ShowStatus("Cirle drawn succesfully.", true);
}
else if (initialCommand.ToLower().Equals("drawrectangle")) //to draw rectangle
{
if (!cmd.Contains(","))
{
ShowStatus("Wrong command: Eg. DrawRectangle 100,150", false);
return;
}
string wh = cmd.Split(' ')[1];
int width = int.Parse(wh.Split(',')[0]);
int height = int.Parse(wh.Split(',')[1]);
shapes = shapeFactory.getShape("RECTANGLE");
shapes.SetParam(xAxis, yAxis, width, height, pen.Color, false, "", lineY, lineY);
shapeList.Add(shapes);
ShowStatus("Rectangle drawn succesfully.", true);
}
else if (initialCommand.ToLower().Equals("string"))
{
string text = cmd.Split(' ')[1];
shapes = shapeFactory.getShape("STRING");
shapes.SetParam(xAxis, yAxis, 0, 0, pen.Color, false, text, lineY, lineY);
shapeList.Add(shapes);
ShowStatus("String has been drawn.", true);
}
else if (initialCommand.ToLower().Equals("repeat")) //to repeat circle/rectanlge many times with given radius
{
string[] cmdList = cmd.Split(' ');
if (cmdList.Length != 5)
{
ShowStatus("Wrong command: Eg. repeat 4 circle radius +10", false);
return;
}
int counter = int.Parse(cmdList[1]);
string shapeName = cmdList[2];
int radius = int.Parse(cmdList[4].Split('+')[1]);
int midXPanel = panelCanvas.Width / 2;
int midYPanel = panelCanvas.Height / 2;
int circleRadius = 50;
for (int i = 0; i < counter; i++) //using loop to draw shapes
{
xAxis = midXPanel - (circleRadius / 2);
yAxis = midYPanel - (circleRadius / 2);
if (shapeName.ToLower().Equals("drawcircle"))
{
shapes = shapeFactory.getShape("CIRCLE");
shapes.SetParam(xAxis, yAxis, circleRadius, 0, pen.Color, false, "", lineY, lineY);
shapeList.Add(shapes);
}
else if (shapeName.ToLower().Equals("drawrectangle"))
{
shapes = shapeFactory.getShape("RECTANGLE");
shapes.SetParam(xAxis, yAxis, circleRadius, circleRadius, pen.Color, false, "", lineY, lineY);
shapeList.Add(shapes);
}
else
{
ShowStatus("Wrong command: Shape name is invalid!!!", false);
return;
}
circleRadius += radius;
}
ShowStatus("Command executed successfully!!!", true);
}
else if (initialCommand.ToLower().Equals("drawline")) //to draw line
{
if (!cmd.Contains(","))
{
ShowStatus("Wrong command: Eg. Line x1,y1,x2,y2", false);
return;
}
string[] xyPos = cmd.Split(' ')[1].Split(',');
if (xyPos.Length < 4)
{
ShowStatus("Wrong command: Eg. Line x1,y1,x2,y2", false);
return;
}
xAxis = int.Parse(xyPos[0]);
yAxis = int.Parse(xyPos[1]);
int y1 = int.Parse(xyPos[2]);
int y2 = int.Parse(xyPos[3]);
lineY = new Point(y1, y2);
shapes = shapeFactory.getShape("LINE");
shapes.SetParam(xAxis, yAxis, 0, 0, pen.Color, false, "", new Point(xAxis, yAxis), lineY);
shapeList.Add(shapes);
ShowStatus("Line has been drawn.", true);
}
else if (initialCommand.ToLower().Equals("drawpolygon")) //to draw polygon
{
string tmp1 = cmd.Split('[')[1];
string tmp2 = tmp1.Split(']')[0];
string[] points = tmp2.Split(',');
if (!cmd.Contains(","))
{
ShowStatus("Wrong command: Eg. Polygon [500:500,200:200,240:450]", false);
return;
}
Polygon polygon = new Polygon(pen.Color, false);
foreach (string point in points)
{
int x = int.Parse(point.Split(':')[0]);
int y = int.Parse(point.Split(':')[1]);
polygon.addPoint(new Point(x, y));
}
shapeList.Add(polygon);
ShowStatus("Polygon has been drawn.", true);
}
else
{
ShowStatus("Wrong command!!!", false);
}
panelCanvas.Invalidate();
panelCanvas.Refresh();
txtCommand.Text = "";
}
}catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}