/// <summary>
/// Creates List[Chunk], with regular start and end dates for required intervals. Amount = 0 for all Chunks.
/// </summary>
/// <param name="startDate"></param>
/// <param name="endDate"></param>
/// <param name="interval"></param>
/// <returns>List[Chunk] for required duration, each Chunk covering one interval.</returns>
public List <Chunk> setupDatedChunksForApportionToPeriod(DateTime startDate, DateTime endDate, AppotionmentPeriod interval)
{
///calendar object used for adding days/months/years to start date
System.Globalization.Calendar calendar = System.Globalization.CultureInfo.CurrentCulture.Calendar;
///set up apportionment requirements
List <Chunk> datedChunks = new List <Chunk>();
int periodType = (int)interval;
///i used to keep track of how many Chunks have already been created & adds appropriate no. of intervals to start date.
int i = 0;
///create list of chunks with correct required start dates
do
{
Chunk chunk = new Chunk();
TimeSpan oneDay = new TimeSpan(1, 0, 0); ///one day timespan needed to calculate end dates
switch (periodType)
{
case 1: ///interval is daily
///
chunk.StartDate = calendar.AddDays(startDate, i);
chunk.EndDate = calendar.AddDays(chunk.StartDate, 1);
break;
case 2: ///interval is weekly
///
chunk.StartDate = calendar.AddWeeks(startDate, i);
chunk.EndDate = calendar.AddWeeks(chunk.StartDate, 1);
break;
case 3: ///interval is monthly
///
chunk.StartDate = calendar.AddMonths(startDate, i);
chunk.EndDate = calendar.AddMonths(chunk.StartDate, 1);
break;
case 4: ///interval is quarterly
///
chunk.StartDate = calendar.AddMonths(startDate, 3 * i);
chunk.EndDate = calendar.AddMonths(chunk.StartDate, 3 * 1);
break;
case 5: ///interval is annually
///
chunk.StartDate = calendar.AddYears(startDate, i);
chunk.EndDate = calendar.AddYears(chunk.StartDate, 1);
break;
}
///take on day off each date date to avoid overlapping date ranges
chunk.EndDate = chunk.EndDate.Subtract(oneDay);
datedChunks.Add(chunk);
i++;
} while (datedChunks.ElementAt(i - 1).EndDate <= endDate);
return(datedChunks);
}
public Image DrawSchema(out CoordsMaps coordsMaps, int colHeight, DateTime startDate, DateTime endDate, RowsFlags Pflags)
{
System.Globalization.CultureInfo UICulture = System.Threading.Thread.CurrentThread.CurrentUICulture;
System.Globalization.Calendar cal = UICulture.Calendar;
ganttStart = startDate;
ganttEnd = endDate;
int days = endDate.Subtract(startDate).Days;
int rowCount = 0;
if ((Pflags & RowsFlags.NoYears) != RowsFlags.NoYears)
{
yearRow = (rowCount++) * rowsSize + top;
}
int startYear = startDate.Year;
int firstColYear = 0;
if ((Pflags & RowsFlags.NoMonths) != RowsFlags.NoMonths)
{
monthRow = (rowCount++) * rowsSize + top;
}
int startMonth = startDate.Month;
int firstColMonth = 0;
if ((Pflags & RowsFlags.NoWeeks) != RowsFlags.NoWeeks)
{
weekRow = (rowCount++) * rowsSize + top;
}
int startWeek = cal.GetWeekOfYear(startDate, UICulture.DateTimeFormat.CalendarWeekRule, UICulture.DateTimeFormat.FirstDayOfWeek);
int firstColWeek = 0;
if ((Pflags & RowsFlags.NoDays) != RowsFlags.NoDays)
{
dayRow = (rowCount++) * rowsSize + top;
}
this.ganttHeight = colHeight + dayRow + 1;
Image img = new Bitmap(days * dayColumnSize + 1, this.ganttHeight);
g = Graphics.FromImage(img);
g.Clear(Color.White);
SolidBrush brush = new SolidBrush(Color.Black);
SolidBrush dayBrush = new SolidBrush(Color.LightGray);
SolidBrush weekendBrush = new SolidBrush(Color.DarkGray);
sf = new StringFormat(StringFormatFlags.NoClip | StringFormatFlags.NoWrap | StringFormatFlags.MeasureTrailingSpaces | StringFormatFlags.MeasureTrailingSpaces);
Font yearFont = FontToFitVertical(new FontFamily("Arial"), FontStyle.Regular, rowsSize, sf);
monthFont = FontToFitVertical(new FontFamily("Arial"), FontStyle.Regular, rowsSize, sf);
descFont = FontToFitVertical(new FontFamily("Arial"), FontStyle.Regular, rowsSize, sf);
descFontBold = FontToFitVertical(new FontFamily("Arial"), FontStyle.Bold, rowsSize, sf);
monthDayFont = FontToFitHorizontal(new FontFamily("Arial"), FontStyle.Regular, dayColumnSize, sf);
Pen pen = new Pen(Color.DarkGray, 1F);
sf.Alignment = StringAlignment.Center;
sf.LineAlignment = StringAlignment.Center;
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
int dayLeft = 0;
Rectangle ra = new Rectangle();
CoordsMaps cm = new CoordsMaps();
for (int i = 0; i <= days; i++)
{
int currentPixel = i * dayColumnSize;
DateTime todayDate = cal.AddDays(startDate, i);
if (yearRow != -1 && (todayDate.Year != startYear || i == days))
{
ra = new Rectangle(left + firstColYear, yearRow, currentPixel - firstColYear, rowsSize);
g.DrawRectangle(pen, ra);
g.DrawString(startYear.ToString(), monthFont, brush, ra, sf);
cm.Add(new CoordsMap(RowTypes.Years, ra, startYear));
startYear = todayDate.Year;
firstColYear = currentPixel;
}
if (monthRow != -1 && (todayDate.Day == 1 || i == days))
{
ra = new Rectangle(left + firstColMonth, monthRow, currentPixel - firstColMonth, rowsSize);
string month = UICulture.DateTimeFormat.GetMonthName(startMonth);
if (yearRow == -1)
{
month += " " + todayDate.Year;
}
g.DrawRectangle(pen, ra);
if (g.MeasureString(month, monthFont, 100000, sf).Width < ra.Width + 4)
{
g.DrawString(month, monthFont, brush, ra, sf);
}
else if (g.MeasureString(UICulture.DateTimeFormat.GetMonthName(startMonth), monthFont, 100000, sf).Width < ra.Width + 4)
{
g.DrawString(UICulture.DateTimeFormat.GetMonthName(startMonth), monthFont, brush, ra, sf);
}
cm.Add(new CoordsMap(RowTypes.Months, ra, startMonth));
startMonth = todayDate.Month;
firstColMonth = currentPixel;
}
if (weekRow != -1 && (todayDate.DayOfWeek == UICulture.DateTimeFormat.FirstDayOfWeek || i == days))
{
ra = new Rectangle(left + firstColWeek, weekRow, currentPixel - firstColWeek, rowsSize);
g.DrawRectangle(pen, ra);
g.DrawString(startWeek.ToString(), monthFont, brush, ra, sf);
cm.Add(new CoordsMap(RowTypes.Weeks, ra, startWeek));
startWeek++;
firstColWeek = currentPixel;
}
if (dayRow != -1 && i != days)
{
ra = new Rectangle(left + dayLeft, dayRow, dayColumnSize, rowsSize);
dayLeft += (dayColumnSize);
Rectangle r = ra;
r.Height = colHeight;
if (todayDate.DayOfWeek == DayOfWeek.Sunday || todayDate.DayOfWeek == DayOfWeek.Saturday)
{
g.FillRectangle(dayBrush, r);
}
g.DrawRectangle(pen, r);
cm.Add(new CoordsMap(RowTypes.Days, r, i));
g.DrawString(cal.GetDayOfMonth(todayDate).ToString(), monthDayFont, brush, ra, sf);
Rectangle r2 = ra;
r2.Y += monthDayFont.Height;
g.DrawString(UICulture.DateTimeFormat.GetShortestDayName(cal.GetDayOfWeek(todayDate)).ToUpper().Substring(0, 1), monthDayFont, brush, r2, sf);
if (todayDate.ToShortDateString() == DateTime.Now.ToShortDateString())
{
g.DrawLine(new Pen(Color.Red), currentPixel, dayRow, currentPixel, dayRow + colHeight);
}
}
}
dayRow += monthDayFont.Height;
coordsMaps = cm;
return(img);
}