protected override void InitializeControls()
{
flexChart1 = new FlexChart();
this.Chart = flexChart1;
_chbPointsLegends = new CheckBoxEx("Display Series Points In Legends")
{
Checked = true
};
_chbPointsLegends.CheckedChanged += _chbPointsLegends_CheckedChanged;
_chbLegendGroups = new CheckBoxEx("Display Legend Groups")
{
Checked = true
};
_chbLegendGroups.CheckedChanged += (s, e) =>
{
if (flexChart1.Series[0] == _customSeries)
{
(_customSeries as SeriesWithPointLegendItems).ShowLegendGroups = _chbLegendGroups.Checked;
flexChart1.Invalidate();
}
};
_chbLegendCustomIcons = new CheckBoxEx("Display Custom Icons")
{
Checked = true
};
_chbLegendCustomIcons.CheckedChanged += (s, e) =>
{
if (flexChart1.Series[0] == _customSeries)
{
(_customSeries as SeriesWithPointLegendItems).ShowCustomIcons = _chbLegendCustomIcons.Checked;
flexChart1.Invalidate();
}
};
_chbLegendNames = new CheckBoxEx("Display Legend Names")
{
Checked = true
};
_chbLegendNames.CheckedChanged += (s, e) =>
{
if (flexChart1.Series[0] == _customSeries)
{
(_customSeries as SeriesWithPointLegendItems).ShowLegendNames = _chbLegendNames.Checked;
flexChart1.Invalidate();
}
};
this.pnlControls.Controls.Add(_chbPointsLegends);
this.pnlControls.Controls.Add(_chbLegendGroups);
this.pnlControls.Controls.Add(_chbLegendCustomIcons);
this.pnlControls.Controls.Add(_chbLegendNames);
}
protected override void OnStart()
{
base.OnStart();
//var h = new Handler(Looper.MainLooper);
taskAction = new Action(() => {
if (mList.Count > SIZE)
{
mList.RemoveAt(0);
}
System.Random random = new System.Random();
int temp = random.Next(100);
string time = DateFormat.Format("mm:ss", new Date()).ToString();
mList.Add(new ChartPoint(time, temp, temp + 10, temp + 20));
mChart.ItemsSource = mList;
// There is a issue on mList collection changed event handling. So we have below 4 lines code to refresh the chart.
mChart.Series[0].Dispose();
mChart.Series[1].Dispose();
mChart.Series[2].Dispose();
mChart.Invalidate();
mHandler.PostDelayed(taskAction, 125);
});
mHandler.PostDelayed(taskAction, 125);
}
private void _flexChart_PointerPressed(object sender, Windows.UI.Xaml.Input.PointerRoutedEventArgs e)
{
var ms = stopwatch.ElapsedMilliseconds;
stopwatch.Reset();
if (ms <= 100)
{
if (ContentEditor == null || SelectedAnnotation == null)
{
return;
}
//Show Annotation Editor
if (HitTest(e.GetCurrentPoint(FlexChart).Position) == SelectedAnnotation && SelectedAnnotation.IsEditable())
{
ShowContentEditor(this.SelectedAnnotation, e.GetCurrentPoint((Window.Current.Content as Frame).Content as MainPage).Position);
}
}
else if (ms > 100)
{
HideContentEditor();
_drawing = false;
var pos = e.GetCurrentPoint(FlexChart).Position;
SelectedAnnotation = HitTest(pos);
if (AllowMove && SelectedAnnotation != null && e.GetCurrentPoint((UIElement)sender).Properties.IsLeftButtonPressed)
{
_oldPoint = pos;
_isDragging = true; //Start Dragging
Windows.UI.Xaml.Window.Current.CoreWindow.PointerCursor = new Windows.UI.Core.CoreCursor(Windows.UI.Core.CoreCursorType.SizeAll, 1);
}
else
{
var ht = FlexChart.HitTest(e.GetCurrentPoint(FlexChart).Position);
if (AllowAdd && e.GetCurrentPoint((UIElement)sender).Properties.IsLeftButtonPressed)
{
_start = pos;
if (NewAnnotationType == typeof(Text))
{
AddAnnotation(_start, e);
FlexChart.Invalidate();
}
}
else
{
SelectedAnnotation = null;
_flexChart.Invalidate();
}
}
}
stopwatch.Start();
}
protected override void InitializeControls()
{
flexChart1 = new FlexChart();
this.Chart = flexChart1;
_lLabelsGap = new LabelEx("DataLabels Gap :");
_udLabelsGap = new NumericUpDownEx {
Minimum = 0, Maximum = 15, Increment = 1, Value = 10
};
_udLabelsGap.ValueChanged += (s, e) => { flexChart1.Invalidate(); };
_chblabelBorder = new CheckBoxEx("Label Border");
_chblabelBorder.CheckedChanged += (s, e) => { this.flexChart1.DataLabel.Border = _chblabelBorder.Checked; };
this.pnlControls.Controls.Add(_lLabelsGap);
this.pnlControls.Controls.Add(_udLabelsGap);
this.pnlControls.Controls.Add(_chblabelBorder);
}
private void _flexChart_PointerReleased(object sender, Windows.UI.Xaml.Input.PointerRoutedEventArgs e)
{
if (e.Pointer.PointerDeviceType == Windows.Devices.Input.PointerDeviceType.Mouse)
{
_drawing = false;
var p = e.GetCurrentPoint((UIElement)sender);
if (p.Properties.IsLeftButtonPressed)
{
if (AllowAdd)
{
_start = _end = new Point();
}
if (_isDragging)
{
UpdateRectCache(SelectedAnnotation);
_isDragging = false;
Windows.UI.Xaml.Window.Current.CoreWindow.PointerCursor = new Windows.UI.Core.CoreCursor(Windows.UI.Core.CoreCursorType.Arrow, 1);
}
}
FlexChart.Invalidate();
}
}
