public HGeometry Copy()
{
if (type != GeometryType.CIRCLE)
{
var new_geom = new HGeometry();
new_geom.type = this.type;
new_geom.penWidth = this.penWidth;
new_geom.transparency = this.transparency;
new_geom.color = this.color;
new_geom.points = new List <Point>(this.points);
return(new_geom);
}
else
{
var new_geom = new HCircle();
new_geom.type = this.type;
new_geom.penWidth = this.penWidth;
new_geom.transparency = this.transparency;
new_geom.color = this.color;
new_geom.points = new List <Point>(this.points);
new_geom.radius = (this as HCircle).radius;
new_geom.filled = (this as HCircle).filled;
return(new_geom);
}
}
//
private void Form1_KeyDown(object sender, KeyEventArgs e)
{
if (sym_expo_textbox.Focused)
{
return;
}
e.Handled = true;
switch (e.KeyCode)
{
case Keys.Oemplus:
vp.projection_scale *= 2;
break;
case Keys.OemMinus:
vp.projection_scale /= 2;
break;
case Keys.Delete: // Delete geometry or point
if (selected_geometry_idx != -1)
{
if (selected_point_idx != -1)
{
if (symbol.geometry[selected_geometry_idx].points.Count() != 1) // if only one point left - not need to delete it
{
symbol.geometry[selected_geometry_idx].removePoint(selected_point_idx);
selected_point_idx = -1;
}
}
else
{
symbol.geometry.RemoveAt(geom_explorer.SelectedIndex);
selected_geometry_idx = -1;
updateExplorerList();
}
}
break;
case Keys.Left:
if (selected_geometry_idx != -1)
{
if (selected_point_idx != -1) // if point selected - move point
{
moveSelectedPoint(-1, 0);
}
else
{ // else move whole geometry
symbol.geometry[selected_geometry_idx].move(-1, 0);
}
}
if (_edit_mode == Edit_mode.EDIT_SYMBOL)
{
symbol.move(-1, 0);
}
break;
case Keys.Right:
if (selected_geometry_idx != -1)
{
if (selected_point_idx != -1) // if point selected - move point
{
moveSelectedPoint(1, 0);
}
else
{ // else move whole geometry
symbol.geometry[selected_geometry_idx].move(1, 0);
}
}
if (_edit_mode == Edit_mode.EDIT_SYMBOL)
{
symbol.move(1, 0);
}
break;
case Keys.Up:
if (selected_geometry_idx != -1)
{
if (selected_point_idx != -1) // if point selected - move point
{
moveSelectedPoint(0, -1);
}
else
{ // else move whole geometry
symbol.geometry[selected_geometry_idx].move(0, -1);
}
}
if (_edit_mode == Edit_mode.EDIT_SYMBOL)
{
symbol.move(0, -1);
}
break;
case Keys.Down:
if (selected_geometry_idx != -1)
{
if (selected_point_idx != -1) // if point selected - move point
{
moveSelectedPoint(0, 1);
}
else // else move whole geometry
{
symbol.geometry[selected_geometry_idx].move(0, 1);
}
}
if (_edit_mode == Edit_mode.EDIT_SYMBOL)
{
symbol.move(0, 1);
}
break;
// Copy
case Keys.C:
if (e.Control && selected_geometry_idx != -1)
{
var selected_geometry = symbol.geometry[selected_geometry_idx];
Clipboard.Clear();
// Set data to clipboard
Clipboard.SetDataObject(selected_geometry);
e.SuppressKeyPress = true;
}
break;
//Paste
case Keys.V:
if (e.Control)
{
// Get data from clipboard
HGeometry paste_result = null;
IDataObject data_object = Clipboard.GetDataObject();
if (Clipboard.ContainsData("S52_HPGL_Editor.HLineString"))
{
paste_result = (HGeometry)Clipboard.GetData("S52_HPGL_Editor.HLineString");
}
else if (Clipboard.ContainsData("S52_HPGL_Editor.HPolygon"))
{
paste_result = (HGeometry)Clipboard.GetData("S52_HPGL_Editor.HPolygon");
}
if (Clipboard.ContainsData("S52_HPGL_Editor.HPoint"))
{
paste_result = (HGeometry)Clipboard.GetData("S52_HPGL_Editor.HPoint");
}
else if (Clipboard.ContainsData("S52_HPGL_Editor.HCircle"))
{
paste_result = (HGeometry)Clipboard.GetData("S52_HPGL_Editor.HCircle");
}
if (paste_result != null)
{
symbol.geometry.Add(paste_result);
updateExplorerList();
geom_explorer.SelectedIndex = symbol.geometry.Count() - 1;
selectGeometry(symbol.geometry.Count() - 1);
}
e.SuppressKeyPress = true;
}
break;
default:
e.Handled = false;
return;
//break;
}
updatePointPosition();
Refresh();
}
// Mouse events
private void canvas_MouseDown(object sender, MouseEventArgs e)
{
_mouse_startX = e.X;
_mouse_startY = e.Y;
if (e.Button == MouseButtons.Left)
{
if (_edit_mode == Edit_mode.ADD_GEOM) //Add new geometry of chosen type in selected point
{
HGeometry new_geometry = null;
if (_addMode == GeometryType.CIRCLE)
{
new_geometry = new HCircle();
setEditiMode(Edit_mode.EDIT_GEOMETRY);
}
else if (_addMode == GeometryType.POINT)
{
new_geometry = new HPoint();
setEditiMode(Edit_mode.EDIT_GEOMETRY);
}
else if (_addMode == GeometryType.LINE)
{
new_geometry = new HLineString();
setEditiMode(Edit_mode.ADD_POINT);
}
else if (_addMode == GeometryType.POLYGON)
{
new_geometry = new HPolygon();
setEditiMode(Edit_mode.ADD_POINT);
}
var p = vp.unproject(new Point(e.X, e.Y));
new_geometry.addPoint(p);
symbol.geometry.Add(new_geometry);
updateExplorerList();
geom_explorer.SelectedIndex = symbol.geometry.Count() - 1;
selectGeometry(symbol.geometry.Count() - 1);
canvas.Refresh();
}
else if (_edit_mode == Edit_mode.ADD_POINT) // Append point to selected geometry
{
symbol.geometry[selected_geometry_idx].points.Add(vp.unproject(new Point(e.X, e.Y)));
canvas.Refresh();
}
else
{
if (selected_geometry_idx != -1)
{
var s_geom = symbol.geometry[selected_geometry_idx];
for (int i = 0; i < s_geom.points.Count(); i++)
{
var p = vp.project(s_geom.points[i]);
if (Math.Abs(p.X - e.X) < 6 && Math.Abs(p.Y - e.Y) < 6)
{
if (e.Button == MouseButtons.Left)
{
selected_point_idx = i;
p = symbol.geometry[selected_geometry_idx].points[selected_point_idx];
point_x_val.Enabled = true;
point_y_val.Enabled = true;
point_x_val.Value = p.X;
point_y_val.Value = p.Y;
canvas.Refresh();
}
}
}
}
}
}
}