}
void moveTop()
{
//Move top
current.Show(graphic, clearPen, clearBrush)
current.Move(0,-20);
current.Show(graphic, pen, brush);
}
private void menuItem22_Click(object sender, System.EventArgs e)
{
moveDown ();
}
void moveDown()
{
//Move down
current.Show(graphic, clearPen, clearBrush)
current.Move(0, 20);
current.Show(graphic, pen, brush);
}
private void menuItem23_Click(object sender, System.EventArgs e)
{
//choose color
ColorDialog dialog = new ColorDialog();
if (dialog.ShowDialog() ==DialogResult.OK) color =dialog.Color;
pen = new Pen (color); brush = new SolidBrush(color);
}
private void menuItem24_Click(object sender, System.EventArgs e)
{
//Red color
color =Color.Red;
pen = new Pen(color); brush = new SolidBrush(color);
}
private void menuItem25_Click(object sender, System.EventArgs e)
{
//Green color
color =Color.Green;
pen = new Pen(color); brush = new SolidBrush(color);
}
private void menuItem26_Click(object sender, System.EventArgs e)
{
//Blue color
color =Color.Blue;
pen = new Pen(color); brush = new SolidBrush(color);
}
private void menuItem27_Click(object sender, System.EventArgs e)
{
//Black color
color =Color.Black;
pen = new Pen (color); brush = new SolidBrush(color);
}
private void menuItem28_Click(object sender, System.EventArgs e)
{
//Gold color
color =Color.Gold;
pen = new Pen(color); brush = new SolidBrush(color);
}
private void menuItem29_Click(object sender, System.EventArgs e)
{
//put_left: добавление фигуры в список
listFigure.put_left(current);
}
private void menuItem30_Click(object sender, System.EventArgs e)
{
//put_right: добавление фигуры в список
listFigure.put_right(current);
}
private void menuItem31_Click(object sender, System.EventArgs e)
{
//remove: удаление фигуры из списка
if(!listFigure.empty()) listFigure.remove ();
}
private void menuItem32_Click (object sender, System.EventArgs e)
{
goPrev();
}
void goPrev()
{
//go_prev: передвинуть курсор влево
if(!(listFigure.Index == 1))
{
listFigure.go_prev();
current = listFigure.item();
}
}
private void menuItem33_Click(object sender, System.EventArgs e)
{
goNext();
}
void goNext()
{
//go_next: передвинуть курсор вправо
if(!(listFigure.Index == listFigure.Count))
{
listFigure.go_next();
current = listFigure.item();
}
}
private void menuItem34_Click(object sender, System.EventArgs e)
{
//go_first
listFigure.start();
if(!listFigure.empty())
current = listFigure.item();
}
private void menuItem35_Click(object sender, System.EventArgs e)
{
//go_last
listFigure.finish();
if(!listFigure.empty())
current = listFigure.item();
}
private void menuItem15_Click(object sender, System.EventArgs e)
{
showList ();
}
void showList ()
{
//Show List
listFigure.start();
while(listFigure.Index <= listFigure.Count)
{
current = listFigure.item();
current.Show(graphic,pen,brush);
listFigure.go_next();
}
listFigure.finish ();
}
private void menuItem16_Click(object sender,
System.EventArgs e)
{
clearList ();
}
void clearList ()
{
//Clear List
listFigure.start();
while(!listFigure.empty())
{
current = listFigure.item();
current.Show(graphic,clearPen,clearBrush);
listFigure.remove ();
}
}
private void Form1_MouseMove (object sender,
System.Windows.Forms.MouseEventArgs e)
{
if((current!= null) && current.dragged_figure)
{
current.Show(graphic,clearPen,clearBrush);
Point pt = new Point(e.X, e.Y);
current.center_figure = pt;
current.Show(graphic,pen,brush);
}
}
private void Form1_MouseUp(object sender,
System.Windows.Forms.MouseEventArgs e)
{
current.dragged_figure = false;
}
private void Form1_MouseDown(object sender,
System.Windows.Forms.MouseEventArgs e)
{
Point mousePoint = new Point (e.X, e.Y);
Rectangle figureRect = current.Region_Capture();
if ((current!= null) &&
(figureRect.Contains(mousePoint)))
current.dragged_figure = true;
}
protected override void
OnPaint(System.Windows.Forms.PaintEventArgs e)
{
//show current figure
current.Show(graphic, pen, brush);
}
private void toolBar1_ButtonClick(object sender,
System.Windows.Forms.ToolBarButtonClickEventArgs e)
{
int buttonNumber =
toolBar1.Buttons.IndexOf(e.Button);
switch (buttonNumber)
{
case 0:
createEllipse (); break;
case 1:
createCircle(); break;
case 2:
createLittleCircle(); break;
case 3:
createRectangle(); break;
case 4:
createSquare(); break;
case 5:
createPerson (); break;
case 6:
showCurrent (); break;
case 7:
clearCurrent (); break;
case 8:
showList (); break;
case 9:
clearList (); break;
case 10:
incScale (); break;
case 11:
decScale (); break;
case 12:
moveLeft (); break;
case 13:
moveRight (); break;
case 14:
moveTop (); break;
case 15:
moveDown (); break;
case 16:
goNext(); break;
case 17:
goPrev (); break;
}
}
}
}
Команд меню и кнопок в нашем интерфейсе много, поэтому много и обработчиков событий, что приводит к разбуханию кода. Но каждый из обработчиков событий довольно прост. Ограничусь кратким описанием главного меню:
• команды пункта главного меню Create позволяют создавать геометрические фигуры разных классов;
• команды пункта главного меню Show позволяют
