private void SetWaterfallLegendItems(ChartLegend legend, int index)
{
LegendItems[index].Clear();
LegendItem legendItem;
var positiveSegment = VisibleSeries[0].Segments.FirstOrDefault
(seg => (seg as WaterfallSegment).SegmentType == WaterfallSegmentType.Positive);
if (positiveSegment != null)
{
legendItem = GetWaterfallLegendItem(positiveSegment, SfChartResourceWrapper.Increase, 0, legend);
LegendItems[index].Add(legendItem);
}
var negativeSegment = VisibleSeries[0].Segments.FirstOrDefault
(seg => (seg as WaterfallSegment).SegmentType == WaterfallSegmentType.Negative);
if (negativeSegment != null)
{
legendItem = GetWaterfallLegendItem(negativeSegment, SfChartResourceWrapper.Decrease, 1, legend);
LegendItems[index].Add(legendItem);
}
var sumSegment = VisibleSeries[0].Segments.FirstOrDefault(seg => (seg as WaterfallSegment).SegmentType == WaterfallSegmentType.Sum);
if (sumSegment != null)
{
legendItem = GetWaterfallLegendItem(sumSegment, SfChartResourceWrapper.Total, 2, legend);
LegendItems[index].Add(legendItem);
}
}
/// <summary>
/// Clone the entire chart control
/// </summary>
/// <returns></returns>
public DependencyObject Clone()
{
ChartLegend legend = new ChartLegend()
{
CheckBoxVisibility = this.CheckBoxVisibility,
CornerRadius = this.CornerRadius,
DockPosition = this.DockPosition,
LegendPosition = this.LegendPosition,
Header = this.Header,
HeaderTemplate = this.HeaderTemplate,
IconHeight = this.IconHeight,
IconVisibility = this.IconVisibility,
IconWidth = this.IconWidth,
ItemMargin = this.ItemMargin,
OffsetX = this.OffsetX,
OffsetY = this.OffsetY,
Orientation = this.Orientation,
ItemTemplate = this.ItemTemplate,
ItemsPanel = this.ItemsPanel,
ToggleSeriesVisibility = this.ToggleSeriesVisibility
};
ChartCloning.CloneControl(this, legend);
return(legend);
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target)
{
switch (connectionId)
{
case 1:
#line 10 "..\..\..\..\BaoCaoComponents\BieuDoBanh\usTiLeDongGop.xaml"
((Milestone2.BaoCaoComponents.usTiLeDongGop)(target)).Loaded += new System.Windows.RoutedEventHandler(this.UserControl_Loaded);
#line default
#line hidden
return;
case 2:
this.TrainsitionigContentSlide = ((MaterialDesignThemes.Wpf.Transitions.TransitioningContent)(target));
return;
case 3:
this.chart = ((System.Windows.Controls.Grid)(target));
return;
case 4:
this.TuNgayDatePicker = ((System.Windows.Controls.DatePicker)(target));
#line 63 "..\..\..\..\BaoCaoComponents\BieuDoBanh\usTiLeDongGop.xaml"
this.TuNgayDatePicker.SelectedDateChanged += new System.EventHandler <System.Windows.Controls.SelectionChangedEventArgs>(this.TuNgayDatePicker_SelectedDateChanged);
#line default
#line hidden
return;
case 5:
this.DenNgayDatePicker = ((System.Windows.Controls.DatePicker)(target));
#line 64 "..\..\..\..\BaoCaoComponents\BieuDoBanh\usTiLeDongGop.xaml"
this.DenNgayDatePicker.SelectedDateChanged += new System.EventHandler <System.Windows.Controls.SelectionChangedEventArgs>(this.DenNgayDatePicker_SelectedDateChanged);
#line default
#line hidden
return;
case 6:
this.pieChart = ((Syncfusion.UI.Xaml.Charts.SfChart)(target));
return;
case 7:
this.ChartLegend1 = ((Syncfusion.UI.Xaml.Charts.ChartLegend)(target));
return;
case 8:
this.pieSeries = ((Syncfusion.UI.Xaml.Charts.PieSeries)(target));
return;
case 9:
this.ThongBaoSnackbar = ((MaterialDesignThemes.Wpf.Snackbar)(target));
return;
}
this._contentLoaded = true;
}
private static void OnSeriesPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ChartLegend legend = d as ChartLegend;
if (legend != null && legend.ChartArea != null)
{
legend.ChartArea.IsUpdateLegend = true;
legend.ChartArea.UpdateLegend(legend, true);
}
}
private static void UpdateLegendInside(ChartLegend legend, Rect rect)
{
double x = 0d, y = 0d, width = 0d, height = 0d;
switch (legend.DockPosition)
{
case ChartDock.Bottom:
y = rect.Y + rect.Height - legend.DesiredSize.Height;
x = GetHorizontalLegendAlignment(legend.HorizontalAlignment, rect, legend.DesiredSize);
width = rect.Width;
height = legend.DesiredSize.Height;
break;
case ChartDock.Top:
y = rect.Y;
x = GetHorizontalLegendAlignment(legend.HorizontalAlignment, rect, legend.DesiredSize);
width = rect.Width;
height = legend.DesiredSize.Height;
break;
case ChartDock.Right:
y = GetVerticalLegendAlignment(legend.VerticalAlignment, rect, legend.DesiredSize);
x = rect.X + rect.Width - legend.DesiredSize.Width;
width = legend.DesiredSize.Width;
height = rect.Height;
break;
case ChartDock.Left:
y = GetVerticalLegendAlignment(legend.VerticalAlignment, rect, legend.DesiredSize);
x = rect.X;
width = legend.DesiredSize.Width;
height = rect.Height;
break;
case ChartDock.Floating:
x = rect.Left;
y = rect.Top;
width = legend.DesiredSize.Width;
height = legend.DesiredSize.Height;
break;
}
legend.ArrangeRect = new Rect(x, y, width, height);
}
internal void Dispose()
{
if (PropertyChanged != null)
{
var invocationList = PropertyChanged.GetInvocationList();
foreach (var handler in invocationList)
{
PropertyChanged -= handler as PropertyChangedEventHandler;
}
PropertyChanged = null;
}
segment = null;
item = null;
series = null;
trendline = null;
legend = null;
XFormsLabelStyle = null;
XFormsLegendItem = null;
}
private static void OnOrientationChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ChartLegend sender = d as ChartLegend;
sender.ChangeOrientation();
}
private static void OnOffsetValueChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ChartLegend legend = d as ChartLegend;
legend.OnOffsetValueChanged(e);
}
private LegendItem GetWaterfallLegendItem(object source, string label, int index, ChartLegend legend)
{
var legenditem = new LegendItem
{
Index = index,
Series = VisibleSeries[0],
Legend = legend
};
Binding binding = new Binding();
binding.Source = source;
binding.Path = new PropertyPath("Interior");
BindingOperations.SetBinding(legenditem, LegendItem.InteriorProperty, binding);
legenditem.Label = label;
return(legenditem);
}
private void SetLegendItems(ChartLegend legend, int index)
{
var series = HasDataPointBasedLegend() ? legend.Series : VisibleSeries[0];
var yvalues = series.ActualSeriesYValues[0] as List <double>;//When EmptyPoint is set last legend is not rendered.-WPF-18794
var circularSeries = series as CircularSeriesBase;
bool isGroupTo = circularSeries != null && !double.IsNaN(circularSeries.GroupTo);
if (isGroupTo)
{
var groupToYValues = circularSeries.GetGroupToYValues();
yvalues = groupToYValues.Item1 as List <double>;
}
LegendItems[index].Clear();
int j = 0;
var Segments = series.Segments.ToList();
if (series is FunnelSeries)
{
Segments.Reverse();
}
for (int i = 0; i < yvalues.Count; i++)
{
var legendIndex = i;
if (double.IsNaN(yvalues[i]))
{
if (!(series is TriangularSeriesBase) && !(series is CircularSeriesBase3D))
{
j++;
}
continue;
}
LegendItem legenditem;
//Created duplicate legends to measure if segments are not created WPF-26728
if (Segments.Count == 0)
{
legenditem = new LegendItem
{
Index = legendIndex,
Series = series,
Legend = legend
};
}
else
{
var item = Segments[j];
legenditem = new LegendItem
{
Index = legendIndex, //WPF-14337 Legend value wrong while using empty point in accumulation series
Item = item.Item,
Series = series,
Legend = legend
};
if (series.ToggledLegendIndex.Count > 0 && (legend.CheckBoxVisibility == Visibility.Visible || legend.ToggleSeriesVisibility))
{
if (!item.IsSegmentVisible)
{
legend.isSegmentsUpdated = true;
legenditem.IsSeriesVisible = false;
legend.isSegmentsUpdated = false;
}
}
Binding binding = new Binding();
binding.Source = item;
binding.Path = new PropertyPath("Interior");
BindingOperations.SetBinding(legenditem, LegendItem.InteriorProperty, binding);
}
if (isGroupTo && circularSeries.GroupedData.Count > 0 && legenditem.Index == Segments.Count - 1)
{
legenditem.Label = circularSeries.GroupingLabel;
}
else if (legenditem.Item != null)
{
legenditem.Label = series.GetActualXValue(series.ActualData.IndexOf(legenditem.Item)).ToString();
}
else
{
legenditem.Label = series.GetActualXValue(legenditem.Index).ToString();
}
LegendItems[index].Add(legenditem);
j++;
}
}
internal void SetLegendItemsSource(ChartLegend legend, int index)
{
if (legend == null || ActualSeries == null)
{
return;
}
legend.ChartArea = this;
//HasDataPointBasedLegend() will return true when need to generate data point based legend items.
if ((VisibleSeries.Count == 1 && VisibleSeries[0].IsSingleAccumulationSeries) || HasDataPointBasedLegend())
{
SetLegendItems(legend, index);
}
else if (VisibleSeries.Count == 1 && VisibleSeries[0] is WaterfallSeries)
{
SetWaterfallLegendItems(legend, index);
legend.XAxis = VisibleSeries[0].IsActualTransposed ? (VisibleSeries[0] as ISupportAxes).ActualYAxis : (VisibleSeries[0] as ISupportAxes).ActualXAxis;
legend.YAxis = VisibleSeries[0].IsActualTransposed ? (VisibleSeries[0] as ISupportAxes).ActualXAxis : (VisibleSeries[0] as ISupportAxes).ActualYAxis;
}
else
{
var technicalIndicators = new List <ChartSeriesBase>();
var sfChart = this as SfChart;
if (sfChart != null)
{
foreach (ChartSeries indicator in sfChart.TechnicalIndicators)
{
technicalIndicators.Add(indicator as ChartSeriesBase);
}
}
List <ChartSeriesBase> actualLegendSeries = sfChart != null?ActualSeries.Union(technicalIndicators).ToList() : ActualSeries;
if (AreaType == ChartAreaType.PolarAxes || AreaType == ChartAreaType.CartesianAxes && Legend is ChartLegendCollection)
{
actualLegendSeries = (from actualSeries in actualLegendSeries
where
GetActualRow(legend) == GetActualRow(actualSeries.IsActualTransposed ? actualSeries.ActualXAxis : actualSeries.ActualYAxis) &&
GetActualColumn(legend) == GetActualColumn(actualSeries.IsActualTransposed ? actualSeries.ActualYAxis : actualSeries.ActualXAxis)
select actualSeries).ToList();
}
if (actualLegendSeries.Count > 0 && actualLegendSeries[0] is ISupportAxes)
{
legend.XAxis = actualLegendSeries[0].IsActualTransposed ? (actualLegendSeries[0] as ISupportAxes).ActualYAxis : (actualLegendSeries[0] as ISupportAxes).ActualXAxis;
legend.YAxis = actualLegendSeries[0].IsActualTransposed ? (actualLegendSeries[0] as ISupportAxes).ActualXAxis : (actualLegendSeries[0] as ISupportAxes).ActualYAxis;
}
IEnumerable <ChartSeriesBase> legendSeries;
switch (AreaType)
{
case ChartAreaType.CartesianAxes:
legendSeries = from series in actualLegendSeries
where series is ISupportAxes2D || series is ISupportAxes3D
select series;
break;
case ChartAreaType.PolarAxes:
legendSeries = from series in actualLegendSeries
where series is PolarRadarSeriesBase
select series;
break;
default:
legendSeries = from series in actualLegendSeries
where series is AccumulationSeriesBase || series is CircularSeriesBase3D
select series;
break;
}
var chartSeries = legendSeries as ChartSeries[] ?? legendSeries.ToArray();
foreach (var series in chartSeries)
{
if (series.IsSeriesVisible)
{
if (LegendItems[index].Count > 0 && index < LegendItems[index].Count)//Legend not cleared when bind Series in MVVM view model-WPF-18625
{
LegendItems[index].Clear();
}
}
}
foreach (var item in chartSeries.Where(series => series.VisibilityOnLegend == Visibility.Visible))
{
var containlegenditem = LegendItems[index].Where(it => it.Series == item).ToList();
if (LegendItems.Count == 0 || containlegenditem.Count() == 0)
{
var legenditem = new LegendItem {
Legend = legend, Series = item
};
if (item.IsSingleAccumulationSeries)
{
legenditem.Legend.isSegmentsUpdated = true;
if (item.IsSeriesVisible)
{
legenditem.IsSeriesVisible = true;
}
else
{
legenditem.IsSeriesVisible = false;
}
legenditem.Legend.isSegmentsUpdated = false;
}
LegendItems[index].Add(legenditem);
}
}
foreach (var item in chartSeries)
{
var cartesian = item as CartesianSeries;
if (cartesian != null)
{
foreach (var trend in cartesian.Trendlines.Where(
trendline => trendline.VisibilityOnLegend == Visibility.Visible))
{
var containlegenditem = LegendItems[index].Where(it => it.Trendline == trend).ToList();
if (LegendItems.Count == 0 || containlegenditem.Count() == 0)
{
var trendline = new LegendItem {
Legend = legend, Trendline = trend
};
LegendItems[index].Add(trendline);
trend.UpdateLegendIconTemplate(true);
}
}
}
}
}
}
/// <summary>
/// Updates the legend arrange rect.
/// </summary>
/// <param name="legend">The legend.</param>
internal void UpdateLegendArrangeRect(ChartLegend legend)
{
if (legend == null && RootPanelDesiredSize == null)
{
return;
}
var elemSize = legend.DesiredSize;
if (Legend is IList && AreaType == ChartAreaType.CartesianAxes)
{
if (legend.XAxis == null || legend.YAxis == null)
{
return;
}
if (legend.InternalDockPosition == ChartDock.Floating)
{
var xAxis = legend.XAxis;
var yAxis = legend.YAxis;
var rect = new Rect(xAxis.ArrangeRect.X, yAxis.ArrangeRect.Y, xAxis.ArrangeRect.Width, yAxis.ArrangeRect.Height);
UpdateLegendInside(legend, rect);
}
}
else
{
if (AreaType == ChartAreaType.PolarAxes && legend.LegendPosition == LegendPosition.Outside)
{
var actualRect = new Rect(0, 0, RootPanelDesiredSize.Value.Width, RootPanelDesiredSize.Value.Height);
switch (legend.InternalDockPosition)
{
case ChartDock.Top:
legend.ArrangeRect = new Rect(actualRect.Left, actualRect.Top, actualRect.Width, elemSize.Height);
break;
case ChartDock.Left:
legend.ArrangeRect = new Rect(actualRect.Left, actualRect.Top, elemSize.Width, actualRect.Height);
break;
case ChartDock.Right:
legend.ArrangeRect = new Rect(actualRect.Width + actualRect.Left, 0, elemSize.Width, actualRect.Height);
break;
case ChartDock.Bottom:
legend.ArrangeRect = new Rect(actualRect.Left, actualRect.Bottom, actualRect.Width, elemSize.Height);
break;
case ChartDock.Floating:
{
UpdateLegendInside(legend, actualRect);
break;
}
}
}
else
{
var actualRect = AreaType == ChartAreaType.None ? new Rect(0, 0, RootPanelDesiredSize.Value.Width, RootPanelDesiredSize.Value.Height) : SeriesClipRect;
switch (legend.InternalDockPosition)
{
case ChartDock.Top:
legend.ArrangeRect = new Rect(actualRect.Left, actualRect.Top - AxisThickness.Top, actualRect.Width, elemSize.Height);
break;
case ChartDock.Left:
legend.ArrangeRect = new Rect(actualRect.Left - AxisThickness.Left, actualRect.Top, elemSize.Width, actualRect.Height);
break;
case ChartDock.Right:
legend.ArrangeRect = new Rect(actualRect.Width + actualRect.Left + AxisThickness.Right, 0, elemSize.Width, actualRect.Height);
break;
case ChartDock.Bottom:
legend.ArrangeRect = new Rect(actualRect.Left, actualRect.Bottom + AxisThickness.Bottom, actualRect.Width, elemSize.Height);
break;
case ChartDock.Floating:
{
UpdateLegendInside(legend, AreaType == ChartAreaType.CartesianAxes ? seriesClipRect : actualRect);
break;
}
}
}
}
}
