/// <summary>
/// Adds pattern to the list
/// </summary>
internal void AddPattern(MapWinGIS.LinePattern pattern)
{
if (pattern != null && pattern.Count > 0)
{
_patterns.Add(pattern);
this.ItemCount = _patterns.Count;
}
}
/// <summary>
/// Draws the next icon from the list
/// </summary>
void Control_OnDrawItem(Graphics graphics, RectangleF rect, int itemIndex, bool selected)
{
IntPtr ptr = graphics.GetHdc();
MapWinGIS.LinePattern pattern = _patterns[itemIndex];
pattern.Draw(ptr.ToInt32(), rect.X + 1.0f, rect.Y + 1.0f, (int)rect.Width - 2, (int)rect.Height - 2, Colors.ColorToUInteger(this.BackColor));
graphics.ReleaseHdc();
}
/// <summary>
/// Adds default patterns to the list
/// </summary>
private void AddDefaultPatterns()
{
_patterns.Clear();
MapWinGIS.LinePattern pattern = new MapWinGIS.LinePattern();
MapWinGIS.Utils utils = new MapWinGIS.Utils();
pattern.AddLine(utils.ColorByName(MapWinGIS.tkMapColor.Red), 1, MapWinGIS.tkDashStyle.dsSolid);
_patterns.Add(pattern);
// TODO: mode patterns can be added
this.ItemCount = _patterns.Count;
}
/// <summary>
/// Loads all the icons form the current path
/// </summary>
/// <param name="path"></param>
public void LoadFromXML()
{
_patterns.Clear();
XmlDocument xmlDoc = new XmlDocument();
string filename = this.get_FileName();
// reading from the file
if (System.IO.File.Exists(filename))
{
xmlDoc.Load(filename);
XmlElement xelSchemes = xmlDoc.DocumentElement["LinePatters"];
if (xelSchemes != null)
{
foreach (XmlNode nodePatter in xelSchemes.ChildNodes)
{
MapWinGIS.LinePattern pattern = new MapWinGIS.LinePattern();
pattern.Deserialize(nodePatter.InnerText);
if (pattern.Count > 0)
{
_patterns.Add(pattern);
}
}
}
}
// load some default ones if none were loaded
if (_patterns.Count == 0)
{
this.AddDefaultPatterns();
}
this.ItemCount = _patterns.Count;
if (this.ItemCount > 0)
{
this.SelectedIndex = 0;
}
}