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@@ -0,0 +1,312 @@
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+using Android.Content;
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+using System;
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+using System.Collections.Generic;
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+using System.Collections.ObjectModel;
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+using System.Linq;
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+using System.Reflection;
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+using Xamarin.Forms;
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+using Xamarin.Forms.Xaml;
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+
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+namespace comal.timesheets
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+{
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+ [XamlCompilation(XamlCompilationOptions.Compile)]
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+ public partial class MobileDataGrid : ContentView
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+ {
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+ ObservableCollection<DataGridFilter> Filters = new ObservableCollection<DataGridFilter>();
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+ public List<DataGridViewModelItem> Items { get; set; }
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+
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+ PropertyInfo[] info = typeof(DataGridViewModelItem).GetProperties();
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+
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+ Type Type;
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+ public MobileDataGrid()
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+ {
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+ InitializeComponent();
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+ Filters.CollectionChanged += Filters_CollectionChanged;
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+ }
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+
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+ public void Setup(List<DataGridViewModelItem> items, Type type)
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+ {
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+ Type = type;
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+ SetupHeadersAndDataTemplate(items.First());
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+ Items = items;
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+ Refresh(Items);
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+ }
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+
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+ private void Refresh(List<DataGridViewModelItem> items)
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+ {
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+ listView.ItemsSource = items;
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+ countLbl.Text = items.Count + " Records";
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+ }
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+
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+ public void SetupHeadersAndDataTemplate(DataGridViewModelItem item)
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+ {
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+ GenerateHeaders(item);
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+ //GenerateDataTemplate(item);
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+ }
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+
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+ private void GenerateDataTemplate(DataGridViewModelItem item)
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+ {
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+ var grid = new Grid
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+ {
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+ HorizontalOptions = LayoutOptions.FillAndExpand,
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+ VerticalOptions = LayoutOptions.Center,
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+ Margin = new Thickness(0),
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+ Padding = new Thickness(2),
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+ };
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+ grid.RowDefinitions.Add(new RowDefinition { Height = new GridLength(1, GridUnitType.Auto) });
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+ int count = 0;
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+ foreach (var tuple in item.Data)
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+ {
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+ grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) });
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+ grid.Children.Add(CreateNewListViewLabel(count));
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+ count++;
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+ }
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+ if (item.Image != null)
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+ {
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+ grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) });
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+ grid.Children.Add(CreatNewListViewImage(count, item.Image));
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+ }
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+ listView.ItemTemplate = new DataTemplate(() =>
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+ {
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+ return new ViewCell { View = grid };
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+ });
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+ }
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+
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+ private View CreatNewListViewImage(int count, Image img)
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+ {
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+ var newImage = new Image
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+ {
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+ Source = img.Source,
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+ HeightRequest = 30,
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+ WidthRequest = 30,
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+ HorizontalOptions = LayoutOptions.Center,
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+ VerticalOptions = LayoutOptions.Center
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+ };
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+ newImage.SetBinding(Image.SourceProperty, "Source");
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+ return SetGridValues(newImage, 0, count);
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+ }
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+
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+ private View CreateNewListViewLabel(int count)
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+ {
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+ var lbl = new Label();
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+ lbl.SetBinding(Label.TextProperty, new Binding("Col" + count));
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+ return SetGridValues(lbl, 0, count);
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+ }
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+
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+ public void GenerateHeaders(DataGridViewModelItem item)
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+ {
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+ int count = 0;
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+ foreach (var tuple in item.Data)
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+ {
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+ CreateNewHeader(tuple.Item1, count);
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+ count++;
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+ }
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+ //if (item.Image != null)
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+ //CreateNewHeader("Image", count);
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+ }
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+
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+ private void CreateNewHeader(string name, int count)
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+ {
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+ headerGrid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) });
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+ DataGridHeaderRow header = new DataGridHeaderRow { ColumnName = name, ColumnNumber = count };
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+ header.Setup();
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+ header.OnDataGridHeaderFilterTapped += Header_OnDataGridHeaderFilterTapped;
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+ header.OnDataGridHeaderTapped += Header_OnDataGridHeaderTapped;
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+ headerGrid.Children.Add(SetGridValues(header, 0, count));
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+ CreateSearchEntry(name, count);
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+ }
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+
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+ private void CreateSearchEntry(string name, int count)
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+ {
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+ var searchEnt = new DataGridSearchEntry { ColumnName = name, ColumnNumber = count };
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+ searchEnt.OnDataGridSearchEntryChanged += SearchEnt_OnDataGridSearchEntryChanged;
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+ searchEnt.IsEnabled = name == "Image" ? false : true;
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+ headerGrid.Children.Add(SetGridValues(searchEnt, 1, count));
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+ }
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+
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+ private View SetGridValues(View view, int row, int column)
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+ {
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+ view.SetValue(Grid.RowProperty, row);
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+ view.SetValue(Grid.ColumnProperty, column);
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+ return view;
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+ }
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+
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+ #region Events
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+ private void SearchEnt_OnDataGridSearchEntryChanged(int columnnumber, string value)
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+ {
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+ if (string.IsNullOrWhiteSpace(value))
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+ Filters.Remove(Filters.FirstOrDefault(x => x.ColNumber == "Col" + columnnumber));
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+ else
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+ {
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+ if (Filters.FirstOrDefault(x => x.ColNumber == "Col" + columnnumber) != null)
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+ Filters.Remove(Filters.FirstOrDefault(x => x.ColNumber == "Col" + columnnumber));
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+ Filters.Add(new DataGridFilter { ColNumber = "Col" + columnnumber, Value = value, FilterNumber = FindNumber(columnnumber) });
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+ }
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+ }
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+
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+ private FilterNumber FindNumber(int columnnumber)
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+ {
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+ switch (columnnumber)
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+ {
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+ case 0:
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+ return FilterNumber.Zero;
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+ case 1:
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+ return FilterNumber.One;
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+ case 2:
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+ return FilterNumber.Two;
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+ case 3:
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+ return FilterNumber.Three;
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+ default:
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+ return FilterNumber.Zero;
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+ }
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+ }
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+
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+ private void DoSearch()
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+ {
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+
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+ }
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+
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+ bool bSearching = false;
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+
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+ private void Filters_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
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+ {
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+ if (bSearching)
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+ return;
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+
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+ bSearching = true;
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+
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+ List<DataGridViewModelItem> finalList = new List<DataGridViewModelItem>();
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+
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+ if (Filters.FirstOrDefault(x => x.FilterNumber == FilterNumber.Zero) != null)
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+ {
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+ var filter = Filters.FirstOrDefault(x => x.FilterNumber == FilterNumber.Zero);
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+ var list = Items.Where(x => x.Col0.Contains(filter.Value));
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+ foreach (DataGridViewModelItem item in list)
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+ finalList.Add(item);
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+ }
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+ else
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+ {
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+ foreach (DataGridViewModelItem item in Items)
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+ finalList.Add(item);
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+ }
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+
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+ if (Filters.FirstOrDefault(x => x.FilterNumber == FilterNumber.One) != null)
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+ {
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+ List<DataGridViewModelItem> intermediatelist = new List<DataGridViewModelItem>();
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+ var filter = Filters.FirstOrDefault(x => x.FilterNumber == FilterNumber.One);
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+ var list = finalList.Where(x => x.Col1.Contains(filter.Value));
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+ foreach (var item in list)
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+ intermediatelist.Add(item);
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+ if (intermediatelist.Count > 0)
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+ finalList.Clear();
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+ foreach (DataGridViewModelItem item in intermediatelist)
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+ finalList.Add(item);
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+ }
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+ else if (finalList.Count == 0)
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+ {
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+ foreach (DataGridViewModelItem item in Items)
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+ finalList.Add(item);
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+ }
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+
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+ if (Filters.FirstOrDefault(x => x.FilterNumber == FilterNumber.Two) != null)
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+ {
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+ List<DataGridViewModelItem> intermediatelist = new List<DataGridViewModelItem>();
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+ var filter = Filters.FirstOrDefault(x => x.FilterNumber == FilterNumber.Two);
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+ var list = finalList.Where(x => x.Col2.Contains(filter.Value));
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+ foreach (var item in list)
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+ intermediatelist.Add(item);
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+ if (intermediatelist.Count > 0)
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+ finalList.Clear();
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+ foreach (DataGridViewModelItem item in intermediatelist)
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+ finalList.Add(item);
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+ }
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+ else if (finalList.Count == 0)
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+ {
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+ foreach (DataGridViewModelItem item in Items)
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+ finalList.Add(item);
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+ }
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+
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+ if (Filters.FirstOrDefault(x => x.FilterNumber == FilterNumber.Three) != null)
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+ {
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+ List<DataGridViewModelItem> intermediatelist = new List<DataGridViewModelItem>();
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+ var filter = Filters.FirstOrDefault(x => x.FilterNumber == FilterNumber.Three);
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+ var list = finalList.Where(x => x.Col3.Contains(filter.Value));
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+ foreach (var item in list)
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+ intermediatelist.Add(item);
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+ if (intermediatelist.Count > 0)
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+ finalList.Clear();
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+ foreach (DataGridViewModelItem item in intermediatelist)
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+ finalList.Add(item);
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+ }
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+
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+ Refresh(finalList);
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+
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+ bSearching = false;
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+ }
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+
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+
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+ private void Header_OnDataGridHeaderTapped(int columnnumber)
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+ {
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+
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+ }
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+
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+ private void Header_OnDataGridHeaderFilterTapped(int columnnumber, string columnname)
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+ {
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+
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+ }
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+ #endregion
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+
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+ }
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+
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+ public enum FilterNumber
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+ {
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+ Zero,
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+ One,
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+ Two,
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+ Three
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+ }
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+
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+ public class DataGridFilter
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+ {
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+ public string ColNumber { get; set; }
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+ public string Value { get; set; }
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+ public FilterNumber FilterNumber { get; set; }
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+ }
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+ public class DataGridViewModelItem
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+ {
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+ public Guid ID { get; set; }
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+
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+ public List<Tuple<string, string>> Data { get; set; }
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+ public string Col0 { get; set; }
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+ public string Col1 { get; set; }
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+ public string Col2 { get; set; }
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+ public string Col3 { get; set; }
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+ public Image Image { get; set; }
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+ public ImageSource Source
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+ {
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+ get
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+ {
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+ return Image.Source;
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+ }
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+ }
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+ public GridLength ColWidth0 { get; set; }
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+ public GridLength ColWidth1 { get; set; }
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+ public GridLength ColWidth2 { get; set; }
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+ public GridLength ColWidth3 { get; set; }
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+
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+ public DataGridViewModelItem(Guid id, List<Tuple<string, string>> data, Image image = null)
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+ {
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+ ID = id;
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+ Data = data;
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+ Image = image;
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+ Col0 = data.Count > 0 ? data[0].Item2 : "";
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+ Col1 = data.Count > 1 ? data[1].Item2 : "";
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+ Col2 = data.Count > 2 ? data[2].Item2 : "";
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+ Col3 = data.Count > 3 ? data[3].Item2 : "";
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+ ColWidth0 = data.Count > 0 ? new GridLength(1, GridUnitType.Star) : new GridLength(0, GridUnitType.Absolute);
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+ ColWidth1 = data.Count > 1 ? new GridLength(1, GridUnitType.Star) : new GridLength(0, GridUnitType.Absolute);
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+ ColWidth2 = data.Count > 2 ? new GridLength(1, GridUnitType.Star) : new GridLength(0, GridUnitType.Absolute);
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+ ColWidth3 = data.Count > 3 ? new GridLength(1, GridUnitType.Star) : new GridLength(0, GridUnitType.Absolute);
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+ }
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+ }
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+}
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