/// <summary>
///
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public GraphRange FindGraphRange(string name)
{
GraphRange foundRange = null;
foreach (GraphRange range in Ranges)
{
if (range.Label == name)
{
foundRange = range;
break;
}
}
return(foundRange);
}
/// <summary>
/// Creates the a 2D pie chart image.
/// </summary>
/// <param name="engine">The engine.</param>
/// <param name="activities">The activities.</param>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <returns></returns>
public static Image CreatePie2D(TaskClerkEngine engine, Collection<TaskActivity> activities, int width, int height)
{
string graphViewStyle = (string)engine.SettingsProvider.Get("GraphViewStyle", "Minutes");
string graphGroupStyle =
(string)engine.SettingsProvider.Get("GraphGroupStyle", "Group by Task");
decimal totalMinutes = 0;
GraphData data = new GraphData();
data.Title = string.Format("{0} / {1}", graphGroupStyle, graphViewStyle);
foreach (TaskActivity activity in activities)
{
string label = activity.TaskDescription.Name;
Color color = activity.TaskDescription.Color;
if (activity.TaskDescription.IsEmpty())
{
label = "Empty";
color = Color.Black;
}
if (graphGroupStyle == "Group by Category")
{
TaskDescription category =
(TaskDescription)engine.TaskDescriptionsProvider.CategoryFromTaskDescription(activity.TaskDescription);
if (category != null)
{
label = category.Name;
color = category.Color;
}
else
{
label = "Unknown";
color = Color.Black;
}
}
// only show activities and activities that have at least 0.01 minute of duration.
if ((!activity.TaskDescription.IsEvent) && (activity.Duration > 0))
{
GraphRange range = data.FindGraphRange(label);
if (range == null)
{
range = new GraphRange(
label,
color,
Color.DimGray,
0);
data.Ranges.Add(range);
}
range.Values.Add(new GraphValue(activity.Duration));
totalMinutes += activity.Duration;
}
}
switch (graphViewStyle)
{
case "Hours":
foreach (GraphRange gr in data.Ranges)
{
foreach (GraphValue gv in gr.Values)
{
gv.Point = gv.Point / 60;
}
}
break;
case "Percent (%)":
double divider = (double)(totalMinutes / 100);
foreach (GraphRange gr in data.Ranges)
{
double tot = 0;
foreach (GraphValue gv in gr.Values)
{
tot += gv.Point;
}
double answer = tot / divider;
gr.Values.Clear();
gr.Values.Add(new GraphValue(answer));
}
break;
default:
break;
}
//PieChart
Pie2D pie = new Pie2D(data, width, height);
Font temp = (Font)AppContext.Current.SettingsProvider.Get("GeneralFont", SystemFonts.DefaultFont);
pie.TitleFont = new Font(temp.FontFamily, temp.Size+2, FontStyle.Regular);
pie.LegendFont = new Font(temp.FontFamily, temp.Size, FontStyle.Regular);
pie.DrawLegend = true;
pie.DrawTitle = true;
if (graphViewStyle == "Task")
{
pie.TextLabels = true;
}
pie.Paint();
return pie.Bitmap;
}
