public void ShiftChart(int indexShift)
{
double left = 0, right = 0;
StockSeries.GetXExtent(ref left, ref right);
Window.UpdateScrollLimits(left, right);
Window.SetScrollView(MinimumPos, MaximumPos);
SetRange();
ResetWorldRect();
}
private void DrawStockSeries(Graphics g)
{
if (StockSeries != null)
{
GraphicsContainer container = g.BeginContainer();
g.SetClip(CanvasRect);
g.TranslateTransform(CanvasRect.Left, CanvasRect.Top);
StockSeries.Draw(g, WorldRect, new Rectangle(0, 0, CanvasRect.Width, CanvasRect.Height));
g.EndContainer(container);
}
}
internal bool FindYExtent(double left, double right, ref double top, ref double bottom)
{
var flag = false;
if (StockSeries != null)
{
flag |= StockSeries.GetYExtent(left, right, ref top, ref bottom);
}
foreach (Series.Series s in Series)
{
flag |= s.GetYExtent(left, right, ref top, ref bottom);
}
return(flag);
}
internal bool FindXExtent(ref double left, ref double right)
{
bool flag = false;
if (StockSeries != null)
{
flag |= StockSeries.GetXExtent(ref left, ref right);
}
foreach (Series.Series s in Series)
{
flag |= s.GetXExtent(ref left, ref right);
}
return(flag);
}
private void CreateStockSeries()
{
StockSeries stockSeries = StockPane.StockSeries;
switch (ChartType)
{
case ChartType.Candlestick:
StockPane.StockSeries = new CandlestickSeries("StockSymbol");
break;
case ChartType.OhlcBar:
StockPane.StockSeries = new OhlcBarSeries("StockSymbol");
break;
case ChartType.StockLine:
StockPane.StockSeries = new StockLineSeries("StockSymbol");
break;
}
StockPane.StockSeries.CopyFrom(stockSeries);
}
//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
//private ChartVisualSettings visualSettings;
/// <summary>
/// Настройки рисования
/// </summary>
//public ChartVisualSettings VisualSettings
//{
// get { return visualSettings; }
// set
// {
// visualSettings = value;
// visualSettings.ApplyToChart(this);
// }
//}
public bool SetRange()
{
DateTime start = DateTime.Now, end = DateTime.Now;
if (!StockSeries.GetTimeExtent(ref start, ref end))
{
return(false);
}
double left = 0.0, right = 0.0;
if (!StockSeries.GetIndexRange(ref left, ref right))
{
return(false);
}
CandleRange.StartIndex = left;
CandleRange.EndIndex = right;
CandleRange.Start = start;
CandleRange.End = end;
if (onScaleChanged != null)
{
onScaleChanged(left, right);
}
return(true);
}
public CandleRange(StockSeries _stockSeries)
{
stockSeries = _stockSeries;
}
public StockQueryPageViewModel(INavigationService navigationService,
IProductService productService,
IUserService userService,
ITerminalService terminalService,
IWareHousesService wareHousesService,
IAccountingService accountingService,
IReportingService reportingService,
IDialogService dialogService
) : base(navigationService, productService, terminalService, userService, wareHousesService, accountingService, dialogService)
{
Title = "库存查询";
this.ForceRefresh = true;
_reportingService = reportingService;
//搜索
this.WhenAnyValue(x => x.Filter.SerchKey)
.Where(s => !string.IsNullOrEmpty(s))
.Select(s => s)
.Throttle(TimeSpan.FromSeconds(2), RxApp.MainThreadScheduler)
.Subscribe(s => { ((ICommand)SerchCommand)?.Execute(s); })
.DisposeWith(DeactivateWith);
this.SerchCommand = ReactiveCommand.Create <string>(e =>
{
if (string.IsNullOrEmpty(Filter.SerchKey))
{
this.Alert("请输入关键字！");
return;
}
((ICommand)Load)?.Execute(null);
});
this.Load = StockSeriesLoader.Load(async() =>
{
//重载时排它
ItemTreshold = 1;
try
{
this.StockSeries?.Clear();
var pending = new List <StockCategoryGroup>();
var results = await GetStockCategoryGroupPage(0, PageSize);
if (results != null && results.Any())
{
foreach (var item in results)
{
if (pending?.Count(s => s.CategoryName == item.CategoryName) == 0)
{
pending.Add(item);
}
}
this.TotalAmount = pending?.Select(p => p.SubCostAmount).Sum();
if (pending.Any())
{
this.StockSeries = new ObservableRangeCollection <StockCategoryGroup>(pending);
}
}
}
catch (Exception ex)
{
Crashes.TrackError(ex);
}
return(StockSeries);
});
//以增量方式加载数据
this.ItemTresholdReachedCommand = ReactiveCommand.Create(async() =>
{
using (var dig = UserDialogs.Instance.Loading("加载中..."))
{
try
{
int pageIdex = StockSeries?.Count ?? 0 / (PageSize == 0 ? 1 : PageSize);
var results = await GetStockCategoryGroupPage(pageIdex, PageSize);
foreach (var item in results)
{
if (StockSeries?.Count(s => s.CategoryName == item.CategoryName) == 0)
{
StockSeries.Add(item);
}
}
this.TotalAmount = this.StockSeries?.Select(p => p.SubCostAmount).Sum();
if (results.Count() == 0 || results.Count() == StockSeries.Count)
{
ItemTreshold = -1;
return(this.StockSeries);
}
}
catch (Exception ex)
{
Crashes.TrackError(ex);
ItemTreshold = -1;
}
this.StockSeries = new ObservableRangeCollection <StockCategoryGroup>(StockSeries);
return(this.StockSeries);
}
}, this.WhenAny(x => x.StockSeries, x => x.GetValue().Count > 0));
//仓库选择
this.StockSelected = ReactiveCommand.Create <object>(async e =>
{
await SelectStock((data) =>
{
Filter.WareHouseId = data.Id;
Filter.WareHouseName = data.Name;
((ICommand)Load)?.Execute(null);
}, BillTypeEnum.None);
});
//绑定页面菜单
_popupMenu = new PopupMenu(this, new Dictionary <MenuEnum, Action <SubMenu, ViewModelBase> >
{
//ZEROSTOCK
{ MenuEnum.ZEROSTOCK, (m, vm) => {
ShowZero = true;
((ICommand)Load)?.Execute(null);
} },
public MainWindow()
{
InitializeComponent();
// Create chart.
var chart = new LightningChartUltimate();
chart.Title.Text = "Stock Series";
// Disable rendering before updating chart properties to improve performance
// and to prevent unnecessary chart redrawing while changing multiple properties.
chart.BeginUpdate();
// Set chart control into the parent container.
(Content as Grid).Children.Add(chart);
// 1. Configure X- and Y-axes.
// X-axis configuration.
var axisX = chart.ViewXY.XAxes[0];
axisX.Title.Text = "Date";
axisX.ValueType = AxisValueType.DateTime;
axisX.LabelsAngle = 90;
axisX.MajorDiv = 24 * 60 * 60; // Major division is one day in seconds.
// Y-axis configuration.
var axisY = chart.ViewXY.YAxes[0];
axisY.Title.Text = "Price";
// 2. Create a new StockSeries.
var stockSeries = new StockSeries(chart.ViewXY, axisX, axisY);
chart.ViewXY.StockSeries.Add(stockSeries);
// 3. Configure the stock plot.
stockSeries.Style = StockStyle.OptimizedCandleStick;
stockSeries.FillBorder.Width = 1;
stockSeries.Title.Text = "Example Inc.";
// 4. Load data from a CSV file into series data points with LoadFromCSV.
/*
* The data in CSV file has to be organized in columns in the following order:
* Column 0: Date (DateTime)
* Column 1: Open (double)
* Column 2: Close (double)
* Column 3: High (double)
* Column 4: Low (double)
* Column 5: Volume (int)
* Column 6: Transaction (double)
*/
stockSeries.LoadFromCSV("../../../data/data.csv", SeparatorCSV.Semicolon);
// 5. Create a reference to the loaded data points.
var stockData = stockSeries.DataPoints;
// 6. Generate data for series, which matches closed values.
var closeData = new SeriesPoint[stockData.Length];
for (var i = 0; i < stockData.Length; i++)
{
closeData[i] = new SeriesPoint()
{
X = axisX.DateTimeToAxisValue(stockData[i].Date),
Y = stockData[i].Close
};
}
// 7. Create a new PointLineSeries to show the dynamic in closed values on Stock Exchange.
var lineSeries = new PointLineSeries();
lineSeries.Title.Text = "Example Inc.";
lineSeries.Points = closeData;
chart.ViewXY.PointLineSeries.Add(lineSeries);
// 8. Auto-scale X- and Y-axes.
chart.ViewXY.ZoomToFit();
#region Hidden polishing
CustomizeChart(chart);
#endregion
// Call EndUpdate to enable rendering again.
chart.EndUpdate();
}
