// Update currentObj to reflect dragging to the given location.
void DragTo(PointF location)
{
currentObj = (BasicTextCourseObj) startingObj.Clone();
currentObj.MoveHandle(handleDragging, location);
}
// Create the course objects associated with this special. Assign the given layer to it.
static CourseObj CreateSpecial(EventDB eventDB, CourseView courseView, float scaleRatio, CourseAppearance appearance, Id<Special> specialId, CourseLayer normalLayer)
{
Special special = eventDB.GetSpecial(specialId);
CourseObj courseObj = null;
switch (special.kind) {
case SpecialKind.FirstAid:
courseObj = new FirstAidCourseObj(specialId, scaleRatio, appearance, special.locations[0]); break;
case SpecialKind.Water:
courseObj = new WaterCourseObj(specialId, scaleRatio, appearance, special.locations[0]); break;
case SpecialKind.OptCrossing:
courseObj = new CrossingCourseObj(Id<ControlPoint>.None, Id<CourseControl>.None, specialId, scaleRatio, appearance, special.orientation, special.locations[0]); break;
case SpecialKind.Forbidden:
courseObj = new ForbiddenCourseObj(specialId, scaleRatio, appearance, special.locations[0]); break;
case SpecialKind.RegMark:
courseObj = new RegMarkCourseObj(specialId, scaleRatio, appearance, special.locations[0]); break;
case SpecialKind.Boundary:
courseObj = new BoundaryCourseObj(specialId, scaleRatio, appearance, new SymPath(special.locations)); break;
case SpecialKind.Rectangle:
courseObj = new RectSpecialCourseObj(specialId, appearance, special.color, special.lineKind, special.lineWidth, special.cornerRadius, special.gapSize, special.dashSize, Geometry.RectFromPoints(special.locations[0], special.locations[1])); break;
case SpecialKind.Line:
courseObj = new LineSpecialCourseObj(specialId, appearance, special.color, special.lineKind, special.lineWidth, special.gapSize, special.dashSize, new SymPath(special.locations)); break;
case SpecialKind.OOB:
courseObj = new OOBCourseObj(specialId, scaleRatio, appearance, special.locations); break;
case SpecialKind.Dangerous:
courseObj = new DangerousCourseObj(specialId, scaleRatio, appearance, special.locations); break;
case SpecialKind.WhiteOut:
courseObj = new WhiteOutCourseObj(specialId, scaleRatio, appearance, special.locations); break;
case SpecialKind.Image:
Special imageSpecial = eventDB.GetSpecial(specialId);
courseObj = new ImageCourseObj(specialId, scaleRatio, appearance, special.locations, imageSpecial.text, imageSpecial.imageBitmap);
break;
case SpecialKind.Text:
string text = ExpandText(eventDB, courseView, special.text);
FontStyle fontStyle = Util.GetFontStyle(special.fontBold, special.fontItalic);
RectangleF boundingRect = RectangleF.FromLTRB((float)Math.Min(special.locations[0].X, special.locations[1].X), (float)Math.Min(special.locations[0].Y, special.locations[1].Y),
(float)Math.Max(special.locations[0].X, special.locations[1].X), (float)Math.Max(special.locations[0].Y, special.locations[1].Y));
courseObj = new BasicTextCourseObj(specialId, text, boundingRect, special.fontName, fontStyle, special.color);
break;
case SpecialKind.Descriptions:
Debug.Fail("description specials should not be passed to this function");
return null;
default:
Debug.Fail("bad special kind");
return null;
}
courseObj.layer = normalLayer;
return courseObj;
}
public override MapViewer.DragAction LeftButtonDown(Pane pane, PointF location, float pixelSize, ref bool displayUpdateNeeded)
{
if (pane != Pane.Map)
return MapViewer.DragAction.None;
// Begin dragging out the description block.
startLocation = location;
startingObj = new BasicTextCourseObj(Id<Special>.None, displayText, new RectangleF(location, new SizeF(0.001F, 0.001F)), fontName, Util.GetFontStyle(fontBold, fontItalic), fontColor);
handleDragging = location;
DragTo(location);
displayUpdateNeeded = true;
return MapViewer.DragAction.DelayedDrag; // Also allow a click.
}