private void ViewModelOnCounterRemoved(CounterData counterData)
{
var graph = Chart.Graphs.FirstOrDefault(t => Equals(t.Tag, counterData.Key));
if (graph != null)
{
Chart.Graphs.Remove(graph);
}
}
private void ViewModelOnCounterAdded(CounterData counterData)
{
var graph = new LineGraph
{
Title = counterData.Name,
Tag = counterData.Key,
Brush = new SolidColorBrush(counterData.Color),
ValueMemberPath = $"[{counterData.Id}]",
StrokeThickness = 1,
};
RenderOptions.SetEdgeMode(graph, EdgeMode.Aliased);
Chart.Graphs.Add(graph);
}
public void Remove(CounterData counterData)
{
_counters.Remove(counterData);
var counterDatas = _categories[counterData.Category];
counterDatas.Remove(counterData);
if (counterDatas.Count == 0)
{
_categories.Remove(counterData.Category);
}
OnCounterRemoved(counterData);
if (_categories.Count == 0)
{
CurrentChartIndex = 0;
for (var i = 0; i < _chartItems.Count; ++i)
{
_chartItems[i] = _emptyItem;
}
}
}
protected virtual void OnCounterRemoved(CounterData counterData)
{
var handler = CounterRemoved;
handler?.Invoke(counterData);
}
public void Add(CounterKey key)
{
CounterData item;
if (!_counters.TryGetItem(key, out item))
{
if (++_lastColorIndex >= VividColors.All.Count)
{
_lastColorIndex = 0;
}
var counterData = new CounterData(key, VividColors.All[_lastColorIndex]);
_counters.Add(counterData);
List<CounterData> category;
if (!_categories.TryGetValue(key.Category, out category))
{
category = new List<CounterData>();
_categories.Add(key.Category, category);
}
category.Add(counterData);
OnCounterAdded(counterData);
}
}
