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318
ViewModels/MovingAverageViewModel.cs
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318
ViewModels/MovingAverageViewModel.cs
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using System;
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using System.ComponentModel;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Collections.Specialized;
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using System.Threading.Tasks;
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using System.Linq;
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using System.Text;
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using System.Windows.Input;
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using System.Windows.Threading;
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using MarketData;
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using MarketData.Utils;
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using MarketData.MarketDataModel;
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using MarketData.Generator;
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using MarketData.DataAccess;
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using TradeBlotter.DataAccess;
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using TradeBlotter.Model;
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using TradeBlotter.Command;
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using Microsoft.Research.DynamicDataDisplay.DataSources;
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namespace TradeBlotter.ViewModels
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{
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public class MovingAverageViewModel : WorkspaceViewModel
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{
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private MovingAverages movingAverages;
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private String symbol;
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private String companyName;
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private List<String> symbols;
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private List<String> watchLists;
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private String selectedWatchList;
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private RelayCommand refreshCommand;
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private List<Int32> dayCounts;
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private Int32 selectedDayCount;
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private PortfolioTrades portfolioTrades;
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private bool busyIndicator = false;
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private String busyContent = "Generating Moving Average";
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private bool isLegendVisible = true;
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public MovingAverageViewModel()
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{
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base.DisplayName = "MovingAverageView";
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watchLists = WatchListDA.GetWatchLists();
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watchLists.Insert(0, Constants.CONST_ALL);
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selectedWatchList = watchLists.Find(x => x.Equals("Valuations"));
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symbols = WatchListDA.GetWatchList(selectedWatchList);
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dayCounts = new List<Int32>();
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dayCounts.Add(60);
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dayCounts.Add(90);
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dayCounts.Add(180);
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dayCounts.Add(360);
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dayCounts.Add(720);
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dayCounts.Add(1440);
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dayCounts.Add(3600);
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selectedDayCount = dayCounts[3];
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PropertyChanged += OnMovingAverageViewModelPropertyChanged;
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}
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public override SaveParameters GetSaveParameters()
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{
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SaveParameters saveParams = new SaveParameters();
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if (null == symbol) return null;
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saveParams.Add(new KeyValuePair<String, String>("Type", GetType().Namespace + "." + GetType().Name));
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saveParams.Add(new KeyValuePair<String, String>("SelectedSymbol", symbol));
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saveParams.Add(new KeyValuePair<String, String>("SelectedWatchList", selectedWatchList));
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saveParams.Add(new KeyValuePair<String, String>("SelectedDayCount", selectedDayCount.ToString()));
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saveParams.Add(new KeyValuePair<String, String>("IsLegendVisible", isLegendVisible.ToString()));
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return saveParams;
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}
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public override void SetSaveParameters(SaveParameters saveParameters)
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{
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try
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{
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symbol = (from KeyValuePair<String, String> item in saveParameters where item.Key.Equals("SelectedSymbol") select item).FirstOrDefault().Value;
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selectedWatchList = (from KeyValuePair<String, String> item in saveParameters where item.Key.Equals("SelectedWatchList") select item).FirstOrDefault().Value;
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base.OnPropertyChanged("SelectedWatchList");
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selectedDayCount = Int32.Parse((from KeyValuePair<String, String> item in saveParameters where item.Key.Equals("SelectedDayCount") select item).FirstOrDefault().Value);
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try{isLegendVisible = Boolean.Parse((from KeyValuePair<String, String> item in saveParameters where item.Key.Equals("IsLegendVisible") select item).FirstOrDefault().Value);}
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catch (Exception){;}
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Referer=saveParameters.Referer;
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base.OnPropertyChanged("SelectedSymbol");
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}
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catch (Exception exception)
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{
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MDTrace.WriteLine(LogLevel.DEBUG,String.Format("Exception:{0}",exception.ToString()));
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}
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}
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public override bool CanPersist()
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{
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return true;
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}
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private void OnMovingAverageViewModelPropertyChanged(object sender, PropertyChangedEventArgs eventArgs)
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{
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if (eventArgs.PropertyName.Equals("SelectedSymbol")||(eventArgs.PropertyName.Equals("SelectedDayCount")&&null!=symbol))
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{
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BusyIndicator = true;
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Task workerTask = Task.Factory.StartNew(() =>
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{
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companyName = PricingDA.GetNameForSymbol(symbol);
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movingAverages = MovingAverageGenerator.GenerateMovingAverages(symbol, selectedDayCount);
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if (null != movingAverages) portfolioTrades = PortfolioDA.GetOpenTradesSymbolBetween(symbol, movingAverages.FromDate, movingAverages.ThruDate);
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else portfolioTrades = null;
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});
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workerTask.ContinueWith((continuation) =>
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{
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BusyIndicator = false;
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base.OnPropertyChanged("Close");
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base.OnPropertyChanged("High");
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base.OnPropertyChanged("Low");
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base.OnPropertyChanged("MA200");
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base.OnPropertyChanged("MA100");
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base.OnPropertyChanged("MA55");
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base.OnPropertyChanged("MA21");
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base.OnPropertyChanged("MA5");
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base.OnPropertyChanged("Title");
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base.OnPropertyChanged("TradePoints");
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base.OnPropertyChanged("LegendVisible");
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});
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}
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else if (eventArgs.PropertyName.Equals("SelectedWatchList"))
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{
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if (selectedWatchList.Equals(Constants.CONST_ALL)) symbols = PricingDA.GetSymbols();
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else symbols = WatchListDA.GetWatchList(selectedWatchList);
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base.OnPropertyChanged("Symbols");
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}
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}
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public bool BusyIndicator
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{
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get { return busyIndicator; }
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set
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{
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busyIndicator = value;
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base.OnPropertyChanged("BusyIndicator");
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}
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}
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public String BusyContent
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{
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get { return busyContent; }
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}
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public CompositeDataSource Close
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{
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get
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{
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CompositeDataSource compositeDataSource = MovingAverageModel.Close(movingAverages);
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return compositeDataSource;
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}
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}
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public CompositeDataSource High
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{
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get
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{
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CompositeDataSource compositeDataSource = MovingAverageModel.High(movingAverages);
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return compositeDataSource;
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}
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}
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public CompositeDataSource Low
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{
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get
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{
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CompositeDataSource compositeDataSource = MovingAverageModel.Low(movingAverages);
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return compositeDataSource;
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}
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}
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public CompositeDataSource MA200
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{
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get
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{
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CompositeDataSource compositeDataSource = MovingAverageModel.MA200(movingAverages);
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return compositeDataSource;
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}
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}
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public CompositeDataSource MA100
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{
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get
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{
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CompositeDataSource compositeDataSource = MovingAverageModel.MA100(movingAverages);
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return compositeDataSource;
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}
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}
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public CompositeDataSource MA55
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{
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get
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{
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CompositeDataSource compositeDataSource = MovingAverageModel.MA55(movingAverages);
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return compositeDataSource;
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}
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}
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public CompositeDataSource MA21
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{
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get
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{
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CompositeDataSource compositeDataSource = MovingAverageModel.MA21(movingAverages);
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return compositeDataSource;
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}
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}
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public CompositeDataSource MA5
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{
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get
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{
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CompositeDataSource compositeDataSource = MovingAverageModel.MA5(movingAverages);
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return compositeDataSource;
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}
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}
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public CompositeDataSource TradePoints
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{
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get
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{
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CompositeDataSource compositeDataSource = PortfolioTradeModel.PortfolioTrades(portfolioTrades);
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return compositeDataSource;
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}
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}
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public override String Title
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{
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get
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{
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if (null == companyName || null == movingAverages || 0 == movingAverages.Count) return "";
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StringBuilder sb=new StringBuilder();
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String displayCompanyName=companyName;
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if(displayCompanyName.Length>40) displayCompanyName=displayCompanyName.Substring(0,40)+"...";
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sb.Append(displayCompanyName);
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sb.Append(" (").Append(symbol).Append(") ").Append(Utility.DateTimeToStringMMHDDHYYYY(movingAverages.FromDate)).Append(" Thru ").Append(Utility.DateTimeToStringMMHDDHYYYY(movingAverages.ThruDate));
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Prices prices=PricingDA.GetPrices(symbol,2);
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if(2==prices.Count)
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{
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float change=prices.GetReturns()[0];
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sb.Append(" (").Append(Utility.FormatCurrency(prices[0].Close));
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sb.Append("/").Append(Utility.FormatCurrency(prices[0].Low));
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if(!float.IsNaN(change))
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{
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sb.Append(",");
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sb.Append(change>=0.00?"+":"").Append(Utility.FormatPercent((double)change));
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}
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sb.Append(")");
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}
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return sb.ToString();
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}
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}
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public Boolean CheckBoxLegendVisible
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{
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get
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{
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return isLegendVisible;
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}
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set
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{
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isLegendVisible = value;
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base.OnPropertyChanged("CheckBoxLegendVisible");
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base.OnPropertyChanged("LegendVisible");
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}
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}
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public String LegendVisible
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{
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get
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{
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if (isLegendVisible) return "true";
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return "false";
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}
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set
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{
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isLegendVisible = Boolean.Parse(value);
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base.OnPropertyChanged("LegendVisible");
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}
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}
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public List<Int32> DayCounts
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{
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get { return dayCounts; }
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}
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public Int32 SelectedDayCount
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{
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get { return selectedDayCount; }
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set { selectedDayCount = value; base.OnPropertyChanged("SelectedDayCount"); }
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}
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public List<String> Symbols
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{
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get
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{
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return symbols;
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}
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}
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public String SelectedSymbol
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{
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get { return symbol; }
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set
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{
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if (value == symbol || String.IsNullOrEmpty(value)) return;
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symbol = value;
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base.OnPropertyChanged("SelectedSymbol");
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}
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}
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public List<String> WatchListNames
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{
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get
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{
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return watchLists;
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}
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set { ;}
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}
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public String SelectedWatchList
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{
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get { return selectedWatchList; }
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set { selectedWatchList = value; base.OnPropertyChanged("SelectedWatchList"); }
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}
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private void Refresh()
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{
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base.OnPropertyChanged("SelectedSymbol");
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}
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private Boolean CanRefresh
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{
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get { return true; }
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}
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public ICommand RefreshCommand
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{
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get
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{
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if (null == refreshCommand) refreshCommand = new RelayCommand(param => Refresh(), param => CanRefresh);
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return refreshCommand;
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}
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}
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}
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}
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