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Auto-filter for Microsoft WPF DataGrid

, 29 Jan 2009 Eclipse 102.7K 4.9K 52
Allows auto filtering functionality for DataGrid columns.
WPFGridFilter.zip
WPFGridFilter
PowerCollections
PowerCollections.csproj.user
Properties
Stepi.Collections
bin
Filters
Properties
Stepi.UIFilters
bin
Initializers
Properties
Settings.settings
Themes
Test.GridSorting
bin
Debug
Test.GridFilter.vshost.exe
Properties
Settings.settings
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Data;

namespace Stepi.UIFilters
{
    /// <summary>
    /// 
    /// </summary>
    public class DropDownButton : ToggleButton
    {
        static DropDownButton()
        {
            DefaultStyleKeyProperty.OverrideMetadata(typeof(DropDownButton), new FrameworkPropertyMetadata(typeof(DropDownButton)));
        }
        
        public static readonly DependencyProperty DropDownProperty = DependencyProperty.Register("DropDown", typeof(ContextMenu), typeof(DropDownButton), 
                                                                                                  new UIPropertyMetadata(null));

        public static readonly DependencyProperty DropDownStyleProperty = DependencyProperty.Register("DropDownStyle", typeof(Style), typeof(DropDownButton), 
                                                                                                       new PropertyMetadata(null, OnDropDownStyleChanged));

        public DropDownButton()
        {
            //create the contextmenu; it can not be created on the static method
            DropDown = new ContextMenu();
            //create the binding
            Binding binding = new Binding("DropDown.IsOpen");
            binding.Source = this;
            SetBinding(IsCheckedProperty, binding);

            DefaultStyleKey = typeof(DropDownButton);
            
        }

        public ContextMenu DropDown
        {
            get { return (ContextMenu)GetValue(DropDownProperty); }
            set { SetValue(DropDownProperty, value); }
        }

        public Style DropDownStyle
        {
            get { return (Style)GetValue(DropDownStyleProperty); }
            set { SetValue(DropDownStyleProperty, value); }
        }

        private static void OnDropDownStyleChanged(DependencyObject depObj, DependencyPropertyChangedEventArgs e)
        {
            DropDownButton button = depObj as DropDownButton;
            if (button.DropDown != null)
            {
                button.DropDown.Style = e.NewValue as Style;
            }
        }
    }
}

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License

This article, along with any associated source code and files, is licensed under The Eclipse Public License 1.0

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About the Author

Stefan Bocutiu
Software Developer (Senior) Lab49
United Kingdom United Kingdom
No Biography provided

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