private void MChart_ChartTapped(object sender, C1TappedEventArgs e)
{
C1Point point = e.GetPosition(mChart);
ChartHitTestInfo info = mChart.HitTest(point);
// display hitTestInfo for each touch event
string displayText = string.Empty;
if (info != null)
{
displayText = chartElement + (info.ChartElement == null ? chartElementNone : info.ChartElement.ToString());
if (info.Item != null)
{
displayText += "\n" + seriesName + info.Series.Name + "\n" + pointIndex + info.PointIndex;
ChartPoint data = (ChartPoint)info.Item;
displayText += "\nX : " + data.Count;
if (info.Series.Name.Equals("sin(x)"))
{
displayText += " sin(x) : " + data.Sine;
}
else
{
displayText += " cos(x) : " + data.Cosine;
}
}
}
else
{
displayText = "Well, this is not happening..";
}
mHitTestInfo.Text = displayText;
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Perform any additional setup after loading the view, typically from a nib.
chart = new FlexChart();
chart.BindingX = "Name";
chart.Series.Add(new ChartSeries()
{
SeriesName = "Sales", Binding = "Sales,Sales"
});
chart.Series.Add(new ChartSeries()
{
SeriesName = "Expenses", Binding = "Expenses,Expenses"
});
chart.Series.Add(new ChartSeries()
{
SeriesName = "Downloads", Binding = "Downloads,Downloads"
});
chart.ItemsSource = SalesData.GetSalesDataList();
this.Add(chart);
chart.Palette = Palette.Cocoa;
chart.Stacking = ChartStackingType.Stacked;
chart.LegendPosition = ChartPositionType.Bottom;
MyTooltip t = new MyTooltip();
t.Frame = new CGRect(0, 0, 100, 50);
t.BackgroundColor = new UIColor(1.0f, 1.0f, 0.792f, 1.0f);
chart.ToolTip = t;
chart.ToolTipLoading += (object sender, ChartTooltipLoadingEventArgs args) =>
{
ChartHitTestInfo e = args.HitTestInfo;
if (e.Distance < 2 && e.PointIndex >= 0)
{
double left = e.Point.X, top = e.Point.Y - t.Frame.Height, width = t.Frame.Width, height = t.Frame.Height;
double screenWidth = UIScreen.MainScreen.Bounds.Size.Width;
double margin = 5;
if (left + width > screenWidth)
{
left = screenWidth - width - margin;
}
t.Frame = new CGRect(left, top, width, height);
t.UpdateContent(e);
t.IsOpen = true;
}
else
{
t.IsOpen = false;
}
};
}
private void Sunburst_Tapped(object sender, C1.Android.Core.C1TappedEventArgs e)
{
C1Point p = e.GetPosition(sunburst);
ChartHitTestInfo hitTestInfo = this.sunburst.HitTest(p);
if (_view != null)
{
_view.Visibility = ViewStates.Invisible;
}
if (hitTestInfo == null || hitTestInfo.Item == null)
{
return;
}
if (hitTestInfo.Item is IChartModel)
{
View view = ((IChartModel)hitTestInfo.Item).GetUserView(this);
_view = view;
Rect myViewRect = new Rect();
sunburst.GetGlobalVisibleRect(myViewRect);
double length = myViewRect.Width() < myViewRect.Height() ? myViewRect.Width() : myViewRect.Height();
length = length * sunburst.InnerRadius / 1.2; // 1.2 is proper size between 1 and 1.414(Math.Sqrt(2));
int x = (int)(myViewRect.CenterX() - length / 2);
int y = (int)(myViewRect.CenterY() - length);
if (view.Parent != null)
{
((ViewGroup)view.Parent).RemoveView(view);
}
if (view.Parent == null)
{
ViewGroup.LayoutParams para = new ViewGroup.LayoutParams((int)length, (int)length);
sunburst.AddView(view, para);
}
_view.SetX((int)(x + sunburst.TranslationX));
_view.SetY((int)(y + sunburst.TranslationY));
_view.ScaleX = (float)sunburst.Scale;
_view.ScaleY = (float)sunburst.Scale;
_view.Visibility = ViewStates.Visible;
_x = x;
_y = y;
_width = _height = length;
}
}
private void Sunburst_Tapped(object sender, C1.Xamarin.Forms.Core.C1TappedEventArgs e)
{
Point p = e.GetPosition(sunburst);
ChartHitTestInfo hitTestInfo = this.sunburst.HitTest(p);
if (hitTestInfo == null || hitTestInfo.Item == null)
{
return;
}
_item = ((IChartModel)hitTestInfo.Item);
if (_view != null && _view.Parent != null)
{
sunburst.Children.Remove(_view);
}
if (hitTestInfo.Item is IChartModel)
{
_view = ((IChartModel)hitTestInfo.Item).GetUserView(fontSizeRate);
_view.BackgroundColor = Color.Transparent;
this.sunburst.Children.Add(_view);
this.sunburst.RaiseChild(_view);
_view.Layout(new Rectangle(_x - _width * sunburst.Scale / 2, _y - _height * sunburst.Scale / 2, _width * sunburst.Scale, _height * sunburst.Scale));
if (_item is Periodic.Group && Periodic.Group.layout != null)
{
((Periodic.Group)_item).SetFontSize(fontSizeRate * (float)sunburst.Scale);
}
if (_item is Periodic.SubGroup && Periodic.SubGroup.layout != null)
{
((Periodic.SubGroup)_item).SetFontSize(fontSizeRate * (float)sunburst.Scale);
}
if (_item is Periodic.Element && Periodic.Element.layout != null)
{
((Periodic.Element)_item).SetFontSize(fontSizeRate * (float)sunburst.Scale);
}
if (_view != null)
{
C1Sunburst sun = (C1Sunburst)sender;
_view.TranslationX = sun.TranslationX;
_view.TranslationY = sun.TranslationY;
}
}
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Create your application here
SetContentView(Resource.Layout.activity_custom_tooltips);
var toolbar = FindViewById <Toolbar>(Resource.Id.toolbar);
SetSupportActionBar(toolbar);
SupportActionBar.Title = GetString(Resource.String.customTooltips);
SupportActionBar.SetDisplayHomeAsUpEnabled(true);
SupportActionBar.SetHomeButtonEnabled(true);
// initializing widget
mChart = this.FindViewById <FlexChart>(Resource.Id.flexchart);
Chartinitialization.InitialDefaultChart(mChart, ChartPoint.GetList());
mChart.Stacking = ChartStackingType.Stacked;
mChart.Palette = Palette.Cocoa;
mChart.LegendPosition = ChartPositionType.Bottom;
MyToolTip t = new MyToolTip(mChart, ApplicationContext);
FrameLayout.LayoutParams l = new FrameLayout.LayoutParams(ViewGroup.LayoutParams.WrapContent, ViewGroup.LayoutParams.WrapContent);
mChart.ToolTip = t;
mChart.ToolTipLoading += (object sender, ChartTooltipLoadingEventArgs args) =>
{
ChartHitTestInfo e = args.HitTestInfo;
if (e.Distance < 2 && e.PointIndex >= 0)
{
t.Point = new C1Point(e.Point.X, e.Point.Y);
t.UpdateContent(e);
t.IsOpen = true;
}
else
{
t.IsOpen = false;
}
};
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Perform any additional setup after loading the view, typically from a nib.
chart = new FlexChart();
chart.BindingX = "Name";
chart.Series.Add(new ChartSeries()
{
SeriesName = "Sales", Binding = "Sales,Sales"
});
chart.Series.Add(new ChartSeries()
{
SeriesName = "Expenses", Binding = "Expenses,Expenses"
});
chart.Series.Add(new ChartSeries()
{
SeriesName = "Downloads", Binding = "Downloads,Downloads"
});
chart.ItemsSource = SalesData.GetSalesDataList();
this.Add(chart);
chart.Palette = Palette.Cocoa;
chart.Stacking = ChartStackingType.Stacked;
chart.LegendPosition = ChartPositionType.Bottom;
MyTooltip t = new MyTooltip();
t.Frame = new CGRect(0, 0, 100, 50);
t.BackgroundColor = new UIColor(1.0f, 1.0f, 0.792f, 1.0f);
chart.ToolTipLoading += (object sender, ChartTooltipLoadingEventArgs args) =>
{
ChartHitTestInfo e = args.HitTestInfo;
if (e.Distance < 2 && e.PointIndex >= 0)
{
t.UpdateContent(e);
}
args.view = t;
};
}
private void Sunburst_Tapped(object sender, C1TappedEventArgs e)
{
CGPoint p = e.GetPosition(sunburst);
ChartHitTestInfo hitTestInfo = this.sunburst.HitTest(p);
if (hitTestInfo == null || hitTestInfo.Item == null)
{
popup.Hidden = true;
return;
}
if (hitTestInfo.Item is IChartModel)
{
UIView view = ((IChartModel)hitTestInfo.Item).GetUserView(popup.Frame);
view.Frame = new CGRect(0, 0, popup.Frame.Width, popup.Frame.Height);
popup.BackgroundColor = UIColor.Clear;
foreach (UIView v in popup)
{
v.RemoveFromSuperview();
}
popup.AddSubview(view);
popup.Hidden = false;
}
}
public void UpdateContent(ChartHitTestInfo hitTestInfo)
{
if (label == null && imageView == null)
{
label = new UILabel(new CGRect(this.Bounds.Size.Width / 4, 0, this.Bounds.Size.Width * 3 / 4, this.Bounds.Size.Height));
label.TextColor = UIColor.Black;
label.Lines = 3;
label.Text = string.Format("{0} \n\n {1:C2}", hitTestInfo.Series.Name, hitTestInfo.Y);
label.Font = label.Font.WithSize(11);
image = new UIImage("Images/" + SalesData.GetCountries()[hitTestInfo.PointIndex]);
imageView = new UIImageView(image);
this.AddSubview(imageView);
this.AddSubview(label);
}
else
{
image = new UIImage("Images/" + SalesData.GetCountries()[hitTestInfo.PointIndex]);
imageView.Image = image;
label.Text = string.Format("{0} \n\n {1:C2}", hitTestInfo.Series.Name, hitTestInfo.Y);
imageView.SetNeedsLayout();
label.SetNeedsLayout();
}
}
public void UpdateContent(ChartHitTestInfo hitTestInfo)
{
mFlag.SetImageResource(Resources.GetIdentifier(hitTestInfo.X.ToString().ToLower(CultureInfo.CurrentUICulture), "drawable", mParentPackage));
mTitle.Text = hitTestInfo.Series.Name;
mContent.Text = hitTestInfo.X.ToString() + " " + hitTestInfo.Y.ToString();
}
