// Fill list from selection
private void FillList(GraphicsList graphicsList, ref List <DrawObject> listToFill)
{
listToFill = new List <DrawObject>();
foreach (DrawObject o in graphicsList.Selection)
{
listToFill.Add(o.Clone());
}
}
public void LoadFromStream(SerializationInfo info, int orderNumber)
{
_graphicsList = new GraphicsList();
_name = info.GetString(
String.Format(CultureInfo.InvariantCulture,
"{0}{1}",
entryLayerName, orderNumber));
_visible = info.GetBoolean(
String.Format(CultureInfo.InvariantCulture,
"{0}{1}",
entryLayerVisible, orderNumber));
_active = info.GetBoolean(
String.Format(CultureInfo.InvariantCulture,
"{0}{1}",
entryLayerActive, orderNumber));
int n = info.GetInt32(
String.Format(CultureInfo.InvariantCulture,
"{0}{1}",
entryGraphicsCount, orderNumber));
for (int i = 0; i < n; i++)
{
string typeName;
typeName = info.GetString(
String.Format(CultureInfo.InvariantCulture,
"{0}{1}-{2}",
entryObjectType, orderNumber, i));
object drawObject;
drawObject = Assembly.GetExecutingAssembly().CreateInstance(typeName);
((DrawObject)drawObject).LoadFromStream(info, orderNumber, i);
// Thanks to Member 3272353 for this fix to object ordering problem.
// _graphicsList.Add((DrawObject)drawObject);
_graphicsList.Append((DrawObject)drawObject);
}
}
private static Point TestForConnection(DrawArea drawArea, Point p, out int objectID)
{
// Determine if within 5 pixels of a connection point
// Step 1: see if a 5 x 5 rectangle centered on the mouse cursor intersects with an object
// Step 2: If it does, then see if there is a connection point within the rectangle
// Step 3: If there is, move the point to the connection point, record the object's id in the connector
//
objectID = -1;
Rectangle testRectangle = new Rectangle(p.X - 2, p.Y - 2, 5, 5);
int al = drawArea.TheLayers.ActiveLayerIndex;
bool connectionHere = false;
Point h = new Point(-1, -1);
GraphicsList gl = drawArea.TheLayers[al].Graphics;
for (int i = 1; i < gl.Count; i++)
{
if (gl[i].IntersectsWith(testRectangle))
{
DrawObject obj = (DrawObject)gl[i];
for (int j = 1; j < obj.HandleCount + 1; j++)
{
h = obj.GetHandle(j);
if (testRectangle.Contains(h))
{
connectionHere = true;
p = h;
objectID = obj.ID;
// obj.DrawConnection(drawArea., j);
break;
}
}
}
if (connectionHere)
{
break;
}
}
return(p);
}
// Replace objects in graphicsList with objects from list
private void ReplaceObjects(GraphicsList graphicsList, List <DrawObject> list)
{
for (int i = 0; i < graphicsList.Count; i++)
{
DrawObject replacement = null;
foreach (DrawObject o in list)
{
if (o.ID ==
graphicsList[i].ID)
{
replacement = o;
break;
}
}
if (replacement != null)
{
graphicsList.Replace(i, replacement);
}
}
}
