private void OnRaiseChartCollectionChanged(ChartCollectionChangedEventArgs <T> e)
{
var handler = this.ChartCollectionChanged;
if (handler != null)
{
handler(this, e);
}
}
private void Series_ChartCollectionChanged(object sender, ChartCollectionChangedEventArgs <ISeries> e)
{
bool update = false;
bool isFullDraw = false;
switch (e.Action)
{
case ChartCollectionChangedAction.Add:
if (e.NewItems != null && e.NewItems.Count > 0)
{
foreach (var series in e.NewItems)
{
if (series == null)
{
continue;
}
series.PropertyChanged += Series_PropertyChanged;
series.ValuesCollectionChanged += Series_ValuesCollectionChanged;
update = true;
}
}
break;
case ChartCollectionChangedAction.Move:
break;
case ChartCollectionChangedAction.Remove:
if (e.OldItems != null)
{
foreach (var series in e.OldItems)
{
if (series == null)
{
continue;
}
series.PropertyChanged -= Series_PropertyChanged;
series.ValuesCollectionChanged -= Series_ValuesCollectionChanged;
isFullDraw = series.Clear();
}
}
break;
case ChartCollectionChangedAction.Replace:
if (e.NewItems != null)
{
foreach (var series in e.NewItems)
{
if (series == null)
{
continue;
}
series.PropertyChanged += Series_PropertyChanged;
series.ValuesCollectionChanged += Series_ValuesCollectionChanged;
update = true;
}
}
if (e.OldItems != null)
{
foreach (var series in e.OldItems)
{
if (series == null)
{
continue;
}
series.PropertyChanged -= Series_PropertyChanged;
series.ValuesCollectionChanged -= Series_ValuesCollectionChanged;
isFullDraw = series.Clear();
}
}
break;
default:
throw new NotImplementedException(e.Action.ToString());
}
if (isFullDraw)
{
this.UpdateAll();
}
else if (update)
{
this.DrawSeries(this._chartGrid, this._chartCanvas, e.NewItems, null, null);
}
}
private void AxisCollection_ChartCollectionChanged(object sender, ChartCollectionChangedEventArgs <AxisAbs> e)
{
bool update = false;
switch (e.Action)
{
case ChartCollectionChangedAction.Add:
if (e.NewItems != null && e.NewItems.Count > 0)
{
foreach (var axis in e.NewItems)
{
if (axis == null)
{
continue;
}
axis.PropertyChanged += Axis_PropertyChanged;
update = true;
}
}
break;
case ChartCollectionChangedAction.Move:
break;
case ChartCollectionChangedAction.Remove:
if (e.OldItems != null && e.OldItems.Count > 0)
{
foreach (var axis in e.OldItems)
{
if (axis == null)
{
continue;
}
axis.PropertyChanged -= Axis_PropertyChanged;
update = true;
}
}
break;
case ChartCollectionChangedAction.Replace:
if (e.NewItems != null && e.NewItems.Count > 0)
{
foreach (var axis in e.NewItems)
{
if (axis == null)
{
continue;
}
axis.PropertyChanged += Axis_PropertyChanged;
update = true;
}
}
if (e.OldItems != null)
{
foreach (var axis in e.OldItems)
{
if (axis == null)
{
continue;
}
axis.PropertyChanged -= Axis_PropertyChanged;
update = true;
}
}
break;
default:
throw new NotImplementedException(e.Action.ToString());
}
if (update)
{
this.UpdateAll();
}
}
