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feat: Create AdvancedExamplesWindow and refactor MainViewModel
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6 files changed

+293
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‎SimpleDataGrid.Example/AdvancedExamplesViewModel.cs‎

Lines changed: 78 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,78 @@
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using SimpleDataGrid.Pagination;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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namespace SimpleDataGrid.Example;
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/// <summary>
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/// The view model for the advanced examples window.
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/// </summary>
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public class AdvancedExamplesViewModel : INotifyPropertyChanged
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{
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public PagedCollection<Person> People { get; }
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public List<int> PageSizes { get; } = [10, 25, 50, 100];
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public bool SearchByName { get; set; } = true;
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public bool SearchByEmail { get; set; } = false;
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public bool SearchByDepartment { get; set; } = false;
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public AdvancedExamplesViewModel()
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{
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People = new PagedCollection<Person>(10);
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People.SetSource(GetPeople());
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}
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private static List<Person> GetPeople()
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{
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var people = new List<Person>();
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for (var i = 1; i <= 1000; i++)
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{
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people.Add(new Person
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{
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Id = i,
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Name = $"Person {i}",
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Age = 20 + (i % 50),
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Email = $"person{i}@example.com",
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Department = (i % 3 == 0) ? "Sales" : (i % 3 == 1) ? "Marketing" : "Engineering",
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IsActive = (i % 2 == 0),
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HireDate = DateTime.Now.AddDays(-i)
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});
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}
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return people;
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}
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public void ApplyFilter(int minAge)
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{
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People.SetFilter("minAge", p => p.Age >= minAge);
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}
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public void ApplyMaxAgeFilter(int maxAge)
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{
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People.SetFilter("maxAge", p => p.Age <= maxAge);
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}
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public void ApplyNameFilter(string namePrefix)
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{
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People.SetFilter("namePrefix", p => p.Name.StartsWith(namePrefix, StringComparison.OrdinalIgnoreCase));
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}
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public void RemoveFilter(string key)
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{
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People.RemoveFilter(key);
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}
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public IReadOnlyCollection<string> ActiveFilters => People.GetActiveFilters();
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public void ClearFilter()
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{
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People.ClearFilters();
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}
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public event PropertyChangedEventHandler? PropertyChanged;
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protected virtual void OnPropertyChanged(string propertyName)
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{
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
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}
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}

‎SimpleDataGrid.Example/AdvancedExamplesWindow.xaml‎

Lines changed: 91 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -3,9 +3,99 @@
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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xmlns:local="clr-namespace:SimpleDataGrid.Example"
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xmlns:controls="clr-namespace:SimpleDataGrid.Controls;assembly=SimpleDataGrid"
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xmlns:converters="clr-namespace:SimpleDataGrid.Example.Converters"
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mc:Ignorable="d"
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Title="AdvancedExamplesWindow" Height="450" Width="800">
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<Window.Resources>
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<converters:ItemCountConverter x:Key="ItemCountConverter"/>
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<BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter"/>
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</Window.Resources>
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<Window.DataContext>
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<local:AdvancedExamplesViewModel />
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</Window.DataContext>
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<Grid>
9-
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<Grid.RowDefinitions>
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<RowDefinition Height="Auto" />
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<RowDefinition Height="*" />
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<RowDefinition Height="Auto" />
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</Grid.RowDefinitions>
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<StackPanel Grid.Row="0" Orientation="Vertical" Margin="5">
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<StackPanel Orientation="Horizontal">
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<TextBox x:Name="SearchTextBox" Width="200" Margin="5" TextChanged="SearchTextBox_TextChanged"/>
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<CheckBox x:Name="WildcardCheckBox" Content="Use Wildcards" VerticalAlignment="Center" Margin="5" />
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<ProgressBar IsIndeterminate="True" Width="20" Height="20" Margin="5" Visibility="{Binding People.IsSearching, Converter={StaticResource BooleanToVisibilityConverter}}"/>
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</StackPanel>
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<StackPanel Orientation="Horizontal" Margin="5,0,0,0">
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<TextBlock Text="Search In:" VerticalAlignment="Center" Margin="0,0,5,0"/>
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<CheckBox Content="Name" IsChecked="{Binding SearchByName}" Checked="SearchOption_Changed" Unchecked="SearchOption_Changed" Margin="0,0,5,0"/>
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<CheckBox Content="Email" IsChecked="{Binding SearchByEmail}" Checked="SearchOption_Changed" Unchecked="SearchOption_Changed" Margin="0,0,5,0"/>
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<CheckBox Content="Department" IsChecked="{Binding SearchByDepartment}" Checked="SearchOption_Changed" Unchecked="SearchOption_Changed" Margin="0,0,5,0"/>
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</StackPanel>
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<StackPanel Orientation="Horizontal">
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<TextBox x:Name="MinAgeTextBox" Width="50" Margin="5" />
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<Button Content="Filter by Min Age" Click="FilterButton_Click" Margin="5" />
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<TextBox x:Name="MaxAgeTextBox" Width="50" Margin="5" />
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<Button Content="Filter by Max Age" Click="MaxAgeFilterButton_Click" Margin="5" />
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<TextBox x:Name="NamePrefixTextBox" Width="100" Margin="5" />
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<Button Content="Filter by Name Prefix" Click="NamePrefixFilterButton_Click" Margin="5" />
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<Button Content="Clear Filters" Click="ClearFilterButton_Click" Margin="5" />
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</StackPanel>
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<ItemsControl ItemsSource="{Binding People.ActiveFilters}">
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<ItemsControl.ItemsPanel>
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<ItemsPanelTemplate>
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<StackPanel Orientation="Horizontal"/>
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</ItemsPanelTemplate>
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</ItemsControl.ItemsPanel>
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<ItemsControl.ItemTemplate>
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<DataTemplate>
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<StackPanel Orientation="Horizontal">
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<TextBlock Text="{Binding}" VerticalAlignment="Center" Margin="5,0"/>
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<Button Content="Remove" Click="RemoveFilterButton_Click" CommandParameter="{Binding}" Margin="5,0"/>
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</StackPanel>
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</DataTemplate>
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</ItemsControl.ItemTemplate>
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</ItemsControl>
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</StackPanel>
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<controls:PagedDataGrid x:Name="PagedDataGrid" Grid.Row="1" PagedSource="{Binding People}" AutoGenerateColumns="True" />
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<Grid Grid.Row="1" Background="#AAFFFFFF" Visibility="{Binding People.IsEmpty, Converter={StaticResource BooleanToVisibilityConverter}}">
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<StackPanel VerticalAlignment="Center" HorizontalAlignment="Center">
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<TextBlock Text="No items found." FontSize="24" FontWeight="Bold" Margin="0,0,0,10"/>
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<TextBlock Text="Try clearing your filters or search terms." FontSize="14" TextAlignment="Center"/>
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</StackPanel>
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</Grid>
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<StackPanel Grid.Row="2" Orientation="Horizontal" HorizontalAlignment="Center">
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<Button Content="First" Click="FirstButton_Click" Margin="5" IsEnabled="{Binding People.HasPrevious}"/>
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<Button Content="Previous" Click="PreviousButton_Click" Margin="5" IsEnabled="{Binding People.HasPrevious}"/>
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<TextBlock VerticalAlignment="Center" Margin="5">
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<TextBlock.Text>
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<MultiBinding StringFormat="Page {0} of {1}">
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<Binding Path="People.CurrentPage"/>
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<Binding Path="People.TotalPages"/>
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</MultiBinding>
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</TextBlock.Text>
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</TextBlock>
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<Button Content="Next" Click="NextButton_Click" Margin="5" IsEnabled="{Binding People.HasNext}"/>
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<Button Content="Last" Click="LastButton_Click" Margin="5" IsEnabled="{Binding People.HasNext}"/>
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<TextBlock Text="Go to page:" VerticalAlignment="Center" Margin="5,0,0,0"/>
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<TextBox x:Name="PageTextBox" Width="30" Margin="5,0,0,0"/>
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<Button Content="Go" Click="GoToPageButton_Click" Margin="5,0,0,0"/>
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<ComboBox Margin="10,0,0,0" ItemsSource="{Binding PageSizes}" SelectedItem="{Binding People.PageSize}"/>
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<TextBlock VerticalAlignment="Center" Margin="10,0,0,0">
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<TextBlock.Text>
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<MultiBinding Converter="{StaticResource ItemCountConverter}">
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<Binding Path="People.CurrentPageItems.Count"/>
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<Binding Path="People.CurrentPage"/>
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<Binding Path="People.TotalItems"/>
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<Binding Path="People.PageSize"/>
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</MultiBinding>
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</TextBlock.Text>
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</TextBlock>
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</StackPanel>
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</Grid>
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</Window>

‎SimpleDataGrid.Example/AdvancedExamplesWindow.xaml.cs‎

Lines changed: 99 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,8 @@
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using SimpleDataGrid.Controls;
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using System;
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using System.Collections.Generic;
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using System.Windows;
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using System.Windows.Controls;
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namespace SimpleDataGrid.Example;
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@@ -8,4 +12,98 @@ public AdvancedExamplesWindow()
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{
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InitializeComponent();
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}
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}
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private void PreviousButton_Click(object sender, RoutedEventArgs e)
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{
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var viewModel = (AdvancedExamplesViewModel)DataContext;
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viewModel.People.PreviousPage();
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}
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private void NextButton_Click(object sender, RoutedEventArgs e)
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{
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var viewModel = (AdvancedExamplesViewModel)DataContext;
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viewModel.People.NextPage();
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}
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private void SearchTextBox_TextChanged(object sender, TextChangedEventArgs e)
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{
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ApplyMultiColumnSearch();
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}
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private void SearchOption_Changed(object sender, RoutedEventArgs e)
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{
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ApplyMultiColumnSearch();
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}
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private void ApplyMultiColumnSearch()
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{
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var viewModel = (AdvancedExamplesViewModel)DataContext;
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var selectors = new List<Func<Person, string>>();
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if (viewModel.SearchByName) selectors.Add(p => p.Name);
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if (viewModel.SearchByEmail) selectors.Add(p => p.Email);
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if (viewModel.SearchByDepartment) selectors.Add(p => p.Department);
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viewModel.People.SetSearch(selectors, SearchTextBox.Text, WildcardCheckBox.IsChecked == true, 300);
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}
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private void FilterButton_Click(object sender, RoutedEventArgs e)
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{
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var viewModel = (AdvancedExamplesViewModel)DataContext;
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if (int.TryParse(MinAgeTextBox.Text, out var minAge))
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{
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viewModel.ApplyFilter(minAge);
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}
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}
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private void ClearFilterButton_Click(object sender, RoutedEventArgs e)
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{
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var viewModel = (AdvancedExamplesViewModel)DataContext;
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viewModel.ClearFilter();
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}
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private void FirstButton_Click(object sender, RoutedEventArgs e)
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{
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var viewModel = (AdvancedExamplesViewModel)DataContext;
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viewModel.People.GoToFirstPage();
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}
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private void LastButton_Click(object sender, RoutedEventArgs e)
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{
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var viewModel = (AdvancedExamplesViewModel)DataContext;
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viewModel.People.GoToLastPage();
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}
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private void GoToPageButton_Click(object sender, RoutedEventArgs e)
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{
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var viewModel = (AdvancedExamplesViewModel)DataContext;
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if (int.TryParse(PageTextBox.Text, out var page))
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{
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viewModel.People.GoToPage(page);
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}
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}
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private void MaxAgeFilterButton_Click(object sender, RoutedEventArgs e)
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{
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var viewModel = (AdvancedExamplesViewModel)DataContext;
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if (int.TryParse(MaxAgeTextBox.Text, out var maxAge))
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{
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viewModel.ApplyMaxAgeFilter(maxAge);
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}
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}
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private void NamePrefixFilterButton_Click(object sender, RoutedEventArgs e)
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{
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var viewModel = (AdvancedExamplesViewModel)DataContext;
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viewModel.ApplyNameFilter(NamePrefixTextBox.Text);
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}
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private void RemoveFilterButton_Click(object sender, RoutedEventArgs e)
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{
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var viewModel = (AdvancedExamplesViewModel)DataContext;
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if (sender is Button button && button.CommandParameter is string key)
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{
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viewModel.RemoveFilter(key);
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}
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}
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}

‎SimpleDataGrid.Example/MainViewModel.cs‎

Lines changed: 9 additions & 67 deletions
Original file line numberDiff line numberDiff line change
@@ -13,23 +13,6 @@ public class MainViewModel
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/// Gets the paged collection of people.
1414
/// </summary>
1515
public PagedCollection<Person> People { get; }
16-
/// <summary>
17-
/// Gets a list of available page sizes.
18-
/// </summary>
19-
public List<int> PageSizes { get; } = [10, 25, 50, 100];
20-
21-
/// <summary>
22-
/// Gets or sets a value indicating whether to search by name.
23-
/// </summary>
24-
public bool SearchByName { get; set; } = true;
25-
/// <summary>
26-
/// Gets or sets a value indicating whether to search by email.
27-
/// </summary>
28-
public bool SearchByEmail { get; set; } = false;
29-
/// <summary>
30-
/// Gets or sets a value indicating whether to search by department.
31-
/// </summary>
32-
public bool SearchByDepartment { get; set; } = false;
3316

3417
/// <summary>
3518
/// Initializes a new instance of the <see cref="MainViewModel"/> class.
@@ -49,55 +32,6 @@ private static List<Person> GetPeople()
4932
}
5033
return people;
5134
}
52-
53-
/// <summary>
54-
/// Applies a minimum age filter to the people collection.
55-
/// </summary>
56-
/// <param name="minAge">The minimum age to filter by.</param>
57-
public void ApplyFilter(int minAge)
58-
{
59-
People.SetFilter("minAge", p => p.Age >= minAge);
60-
}
61-
62-
/// <summary>
63-
/// Applies a maximum age filter to the people collection.
64-
/// </summary>
65-
/// <param name="maxAge">The maximum age to filter by.</param>
66-
public void ApplyMaxAgeFilter(int maxAge)
67-
{
68-
People.SetFilter("maxAge", p => p.Age <= maxAge);
69-
}
70-
71-
/// <summary>
72-
/// Applies a name prefix filter to the people collection.
73-
/// </summary>
74-
/// <param name="namePrefix">The name prefix to filter by.</param>
75-
public void ApplyNameFilter(string namePrefix)
76-
{
77-
People.SetFilter("namePrefix", p => p.Name.StartsWith(namePrefix, StringComparison.OrdinalIgnoreCase));
78-
}
79-
80-
/// <summary>
81-
/// Removes a filter from the people collection.
82-
/// </summary>
83-
/// <param name="key">The key of the filter to remove.</param>
84-
public void RemoveFilter(string key)
85-
{
86-
People.RemoveFilter(key);
87-
}
88-
89-
/// <summary>
90-
/// Gets a read-only collection of the active filter keys.
91-
/// </summary>
92-
public IReadOnlyCollection<string> ActiveFilters => People.GetActiveFilters();
93-
94-
/// <summary>
95-
/// Clears all filters from the people collection.
96-
/// </summary>
97-
public void ClearFilter()
98-
{
99-
People.ClearFilters();
100-
}
10135
}
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10337
/// <summary>
@@ -125,4 +59,12 @@ public class Person
12559
/// Gets or sets the department of the person.
12660
/// </summary>
12761
public string Department { get; set; } = string.Empty;
128-
}
62+
/// <summary>
63+
/// Gets or sets a value indicating whether the person is active.
64+
/// </summary>
65+
public bool IsActive { get; set; }
66+
/// <summary>
67+
/// Gets or sets the hire date of the person.
68+
/// </summary>
69+
public DateTime HireDate { get; set; }
70+
}

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