private DMSInfo GetPreviousDMSInfo(int previousSelectionStart)
{
DMSInfo info = this.GetDMSInfo(previousSelectionStart);
if (info == null)
{
info = _dmsInfoList.LastOrDefault(o => o.Type != DMSPart.Separator);
}
return(info);
}
internal void Select(DMSInfo info)
{
if (info != null)
{
_fireSelectionChangedEvent = false;
this.Select(info.StartPosition, info.Length);
_fireSelectionChangedEvent = true;
_selectedDMSInfo = info;
}
}
private DMSInfo GetNextDMSInfo(int nextSelectionStart)
{
DMSInfo info = this.GetDMSInfo(nextSelectionStart);
if (info == null)
{
info = _dmsInfoList.FirstOrDefault(o => o.Type != DMSPart.Separator);
}
return(info);
}
internal DMSInfo GetDMSInfo(int selectionStart)
{
DMSInfo result = null;
while (result == null)
{
result = _dmsInfoList.FirstOrDefault(info => info.Type != DMSPart.Separator && (info.StartPosition <= selectionStart) && (selectionStart < (info.StartPosition + info.Length)));
selectionStart += 1;
if (selectionStart >= this.Text.Length)
{
result = _dmsInfoList.LastOrDefault(o => o.Type != DMSPart.Separator);
break;
}
if (selectionStart <= 0)
{
result = _dmsInfoList.FirstOrDefault(o => o.Type != DMSPart.Separator);
break;
}
}
return(result);
}
protected void InitializeDMSInfoList()
{
_dmsInfoList.Clear();
_selectedDMSInfo = null;
string strValue = this.StrValue;
string interValue = "0";
string decimalValue = "0000000";
string[] splitStr = strValue.Split('.');
if (splitStr.Length == 2)
{
interValue = splitStr[0];
decimalValue = splitStr[1];
}
int index = 0;
_dmsInfoList.Add(new DMSInfo()
{
StartPosition = index,
Length = interValue.Length,
Content = interValue,
Type = DMSPart.Degree
});
index += interValue.Length;
_dmsInfoList.Add(new DMSInfo()
{
StartPosition = index,
Length = 1,
Content = "°",
Type = DMSPart.Separator
});
index += 1;
_dmsInfoList.Add(new DMSInfo()
{
StartPosition = index,
Length = 2,
Content = decimalValue.Substring(0, 2),
Type = DMSPart.Minute
});
index += 2;
_dmsInfoList.Add(new DMSInfo()
{
StartPosition = index,
Length = 1,
Content = "'",
Type = DMSPart.Separator
});
index += 1;
_dmsInfoList.Add(new DMSInfo()
{
StartPosition = index,
Length = 6,
Content = decimalValue.Substring(2, 5).Insert(2, "."),
Type = DMSPart.Second
});
index += 6;
_dmsInfoList.Add(new DMSInfo()
{
StartPosition = index,
Length = 1,
Content = "\"",
Type = DMSPart.Separator
});
index += 1;
SetDMSText();
}