Exemple #1
0
        protected override void CreateEmptyOption()
        {
            if (emptyOption != null)
            {
                return;
            }

            UIDoughnutOption option = new UIDoughnutOption();

            option.Title         = new UITitle();
            option.Title.Text    = "SunnyUI";
            option.Title.SubText = "DoughnutChart";

            var series = new UIDoughnutSeries();

            series.Name         = "饼状图";
            series.Center       = new UICenter(50, 55);
            series.Radius.Inner = 40;
            series.Radius.Outer = 70;
            for (int i = 0; i < 5; i++)
            {
                series.AddData("Data" + i, (i + 1) * 20);
            }

            option.Series.Add(series);
            emptyOption = option;
        }
Exemple #2
0
        protected override void CalcData(UIOption option)
        {
            Angles.Clear();
            UIDoughnutOption o = (UIDoughnutOption)option;

            if (o == null || o.Series == null || o.Series.Count == 0)
            {
                return;
            }

            for (int pieIndex = 0; pieIndex < o.Series.Count; pieIndex++)
            {
                var pie = o.Series[pieIndex];
                Angles.TryAdd(pieIndex, new ConcurrentDictionary <int, Angle>());

                double all = 0;
                foreach (var data in pie.Data)
                {
                    all += data.Value;
                }

                if (all.IsZero())
                {
                    return;
                }
                float start = 0;
                for (int i = 0; i < pie.Data.Count; i++)
                {
                    float  angle   = (float)(pie.Data[i].Value * 360.0f / all);
                    float  percent = (float)(pie.Data[i].Value * 100.0f / all);
                    string text    = "";
                    if (o.ToolTip != null)
                    {
                        try
                        {
                            UITemplate template = new UITemplate(o.ToolTip.Formatter);
                            template.Set("a", pie.Name);
                            template.Set("b", pie.Data[i].Name);
                            template.Set("c", pie.Data[i].Value.ToString(o.ToolTip.ValueFormat));
                            template.Set("d", percent.ToString("F2"));
                            text = template.Render();
                        }
                        catch
                        {
                            text = pie.Data[i].Name + " : " + pie.Data[i].Value.ToString("F2") + "(" + percent.ToString("F2") + "%)";
                            if (pie.Name.IsValid())
                            {
                                text = pie.Name + '\n' + text;
                            }
                        }
                    }

                    Angle pieAngle = new Angle(start, angle, text);
                    GetSeriesRect(pie, ref pieAngle);
                    Angles[pieIndex].AddOrUpdate(i, pieAngle);
                    start += angle;
                }
            }
        }