wpftoolkit/ExtendedWPFToolkitSolution/Src/Samples/Modules/Samples.Modules.PropertyGrid/Views/CustomEditors.xaml.cs

using Samples.Infrastructure.Controls;
using System.ComponentModel;
using System.Collections.Generic;
using System;
using System.Windows;
using System.Windows.Media;
using System.Windows.Controls;
using System.Windows.Data;
using Microsoft.Practices.Prism.Regions;

namespace Samples.Modules.PropertyGrid.Views
{
    /// <summary>
    /// Interaction logic for CustomEditors.xaml
    /// </summary>
    [RegionMemberLifetime(KeepAlive = false)]
    public partial class CustomEditors : DemoView
    {
        public CustomEditors()
        {
            InitializeComponent();
            _propertyGrid1.SelectedObject = Person.CreatePerson();
            _propertyGrid2.SelectedObject = CustomAttributEditorPerson.CreateCustomAttributEditorPerson();
        }

        public class Person
        {
            [Category("Information")]
            [DisplayName("First Name")]
            [Description("This property uses a TextBox as the default editor.")]
            public string FirstName { get; set; }

            [Category("Information")]
            [DisplayName("Last Name")]
            [Description("This property uses a TextBox as the default editor.")]
            public string LastName { get; set; }

            [Category("Information")]
            [DisplayName("Date of Birth")]
            [Description("This property uses the DateTimeUpDown as the default editor.")]
            public DateTime DateOfBirth { get; set; }

            [DisplayName("Grade Point Average")]
            [Description("This property uses the DoubleUpDown as the default editor.")]
            public double GradePointAvg { get; set; }

            [Category("Information")]
            [Description("This property uses the IntegerUpDown as the default editor.")]
            public int Age { get; set; }

            [Category("Information")]
            [DisplayName("Is Male")]
            [Description("This property uses a CheckBox as the default editor.")]
            public bool IsMale { get; set; }

            [Category("Information")]
            [DisplayName("Favorite Color")]
            [Description("This property uses the ColorPicker as the default editor.")]
            public Color FavoriteColor { get; set; }

            [Category("Writing")]
            [DisplayName("Writing Hand")]
            [Description("This property uses a ComboBox as the default editor.  The ComboBox is auto populated with the enum values")]
            public HorizontalAlignment WritingHand { get; set; }

            [Category("Writing")]
            [DisplayName("Writing Font")]
            [Description("This property uses a ComboBox as the default editor.  The ComboBox is auto populated with the enum values")]
            public FontFamily WritingFont { get; set; }

            [Category("Writing")]
            [DisplayName("Writing Font Size")]
            [Description("This property uses the DoubleUpDown as the default editor.")]
            public double WritingFontSize { get; set; }

            [Category("Conections")]
            [DisplayName("Pet Names")]
            [Description("This property uses the PrimitiveTypeCollectionEditor as the default editor.")]
            public List<String> PetNames { get; set; }

            [Category("Conections")]
            [Description("This property uses the CollectionEditor as the default editor.")]
            public List<Person> Friends { get; set; }

            [Category("Conections")]
            [Description("This property is a complex property and has no default editor.")]
            public Person Spouse { get; set; }

            public static Person CreatePerson()
            {
                var person = new Person();
                person.FirstName = "John";
                person.LastName = "Doe";
                person.DateOfBirth = new DateTime(1975, 1, 23);
                person.Age = DateTime.Today.Year - person.DateOfBirth.Year;
                person.GradePointAvg = 3.98;
                person.IsMale = true;
                person.FavoriteColor = Colors.Blue;
                person.WritingHand = System.Windows.HorizontalAlignment.Right;
                person.WritingFont = new FontFamily("Arial");
                person.WritingFontSize = 12.5;
                person.PetNames = new List<string>() { "Pet 1", "Pet 2", "Pet 3" };
                person.Friends = new List<Person>() { new Person() { FirstName = "First", LastName = "Friend" }, new Person() { FirstName = "Second", LastName = "Friend" } };
                person.Spouse = new Person() { FirstName = "Jane", LastName = "Doe" };
                return person;
            }
        }

        public class CustomAttributEditorPerson
        {
            [Category("Information")]
            [DisplayName("First Name")]
            [Description("This property uses a TextBox as the default editor.")]
            //This custom editor is a Class that implements the ITypeEditor interface
            [Editor(typeof(FirstNameEditor), typeof(FirstNameEditor))]
            public string FirstName { get; set; }

            [Category("Information")]
            [DisplayName("Last Name")]
            [Description("This property uses a TextBox as the default editor.")]
            //This custom editor is a UserControl that implements the ITypeEditor interface
            [Editor(typeof(LastNameUserControlEditor), typeof(LastNameUserControlEditor))]
            public string LastName { get; set; }

            [Category("Information")]
            [DisplayName("Date of Birth")]
            [Description("This property uses the DateTimeUpDown as the default editor.")]
            public DateTime DateOfBirth { get; set; }

            public static CustomAttributEditorPerson CreateCustomAttributEditorPerson()
            {
                var person = new CustomAttributEditorPerson();
                person.FirstName = "John";
                person.LastName = "Doe";
                person.DateOfBirth = new DateTime(1975, 1, 23);
                return person;
            }
        }
    }

    //Custom editors that are used as attributes MUST implement the ITypeEditor interface.
    public class FirstNameEditor : Microsoft.Windows.Controls.PropertyGrid.Editors.ITypeEditor
    {
        public FrameworkElement ResolveEditor(Microsoft.Windows.Controls.PropertyGrid.PropertyItem propertyItem)
        {
            TextBox textBox = new TextBox();
            textBox.Background = new SolidColorBrush(Colors.Red);

            //create the binding from the bound property item to the editor
            var _binding = new Binding("Value"); //bind to the Value property of the PropertyItem
            _binding.Source = propertyItem;
            _binding.ValidatesOnExceptions = true;
            _binding.ValidatesOnDataErrors = true;
            _binding.Mode = propertyItem.IsReadOnly ? BindingMode.OneWay : BindingMode.TwoWay;
            BindingOperations.SetBinding(textBox, TextBox.TextProperty, _binding);
            return textBox;
        }
    }
}