/// <summary>
/// Handles FormatLabel of the CategoryYAxis of this.crtCategory.
/// </summary>
string categoryChartChartCategoryY_FormatLabel(AxisLabelInfo info)
{
// This chart is bound to a BindingList of MonthlyData objects. These don't have
// names, and even if they did, the names wouldn't be relative to the current month.
// So here we will determine which Monthlydata is being displayed and give it
// a user-friendly label.
var monthlyData = (MonthlyData)info.Item;
// If the monthlyData is null, then this is either the previous month or previous
// year. We cannot tell which. So just display a generic message of 'no previous data'.
if (null == monthlyData)
{
return(Utilities.LocalizeString("CashflowDetails_Category_Label_noPreviousData"));
}
if (monthlyData == this.currentMonthData)
{
return(Utilities.LocalizeString("CashflowDetails_Category_Label_current"));
}
else if (monthlyData == this.lastMonthData)
{
return(Utilities.LocalizeString("CashflowDetails_Category_Label_lastmonth"));
}
else if (monthlyData == this.lastYearData)
{
return(Utilities.LocalizeString("CashflowDetails_Category_Label_lastyear"));
}
Debug.Fail("Unknown data item");
return(info.Value.ToString());
}
/// <summary>
/// Handles FormatLabel of the NumericYAxis of this.crtMonthlyTotals.
/// </summary>
string monthlyTotalsChartNumericY_FormatLabel(AxisLabelInfo info)
{
// The decimal value has a whole lot of zeroes, so format it to the nearest
// million.
decimal value = (decimal)info.Value;
return(Utilities.GetDisplayValueInMillions(value, 0, CashflowDetails.MillionsSuffix));
}
/// <summary>
/// Handles FormatLabel of the CategoryXAxis of this.crtOverview.
/// </summary>
string overviewChartCategoryX_FormatLabel(AxisLabelInfo info)
{
// Instead of an integer for the month, display a user-friendly 3-letter
// abbreviation.
var monthlyData = (MonthlyData)info.Item;
DateTime dateTime = new DateTime(monthlyData.Year, monthlyData.Month, 1);
string monthName = dateTime.ToString(Utilities.LocalizeString("Chart_XAxis_Month_Format")).ToLower();
return(monthName);
}
/// <summary>
/// Handles FormatLabel of the CategoryXAxis of this.crtLabels.
/// </summary>
string labelsChartCategoryX_FormatLabel(AxisLabelInfo info)
{
// Calculate the net (inflow - outflow) value for the month.
var monthlyData = (MonthlyData)info.Item;
var net = monthlyData.Inflow - monthlyData.Outflow;
// Format it to the nearest tenth of a million.
var text = Utilities.GetDisplayValueInMillions(net, 1);
return(text);
}
/// <summary>
/// Handles FormatLabel of the CategoryXAxis1 of this.crtMonthlyTotals.
/// </summary>
string monthlyTotalsChartCategoryX1_FormatLabel(AxisLabelInfo info)
{
// By default, these labels would show the Month field, which is an integer.
// But we can do better.
// Get the Month and Year.
var monthlyData = (MonthlyData)info.Item;
DateTime dateTime = new DateTime(monthlyData.Year, monthlyData.Month, 1);
// For January, append the year. Since the chart is showing 13 months, at least one instance of
// January will always be displayed, so the user will always have the year as context.
if (dateTime.Month == 1)
{
return(dateTime.ToString(Utilities.LocalizeString("Chart_XAxis_Month_Format_January")).ToLower());
}
else
{
return(dateTime.ToString(Utilities.LocalizeString("Chart_XAxis_Month_Format")).ToLower());
}
}
private string XAxis_FormatLabel(AxisLabelInfo info)
{
// throw new NotImplementedException();
return(string.Format("{0:dd/MM}", info.DateValue));
}
/// <summary>
/// Handles FormatLabel of the NumericXAxis of this.crtOverview.
/// </summary>
string overviewChartNumericY_FormatLabel(AxisLabelInfo info)
{
// Format the value in millions.
return(Utilities.GetDisplayValueInMillions((decimal)info.Value, 1, CashflowDetails.MillionsSuffix));
}