Roman Korneev
9 years ago
13 changed files with 762 additions and 43 deletions
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After Width: | Height: | Size: 436 B |
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using System; |
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using System.ComponentModel; |
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using System.Text.RegularExpressions; |
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using System.Windows; |
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using System.Windows.Controls; |
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using System.Windows.Data; |
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using System.Windows.Input; |
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using System.Windows.Media; |
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namespace Xceed.Wpf.Toolkit |
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{ |
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public delegate void FilterRoutedEventHandler(object sender, FilterEventArgs e); |
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[TemplatePart(Name = PART_Header, Type = typeof(TextBlock))] |
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[TemplatePart(Name = PART_FilterBox, Type = typeof(TextBox))] |
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[TemplatePart(Name = PART_ClearButton, Type = typeof(Button))] |
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public sealed class FilterBox : Control |
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{ |
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#region [ Declarations and Fields ]
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private const string PART_Header = "PART_Header"; |
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private const string PART_FilterBox = "PART_FilterBox"; |
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private const string PART_ClearButton = "PART_ClearButton"; |
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public static readonly RoutedEvent FilterEvent; |
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public static readonly RoutedEvent ClearFilterEvent; |
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private Button _clearButton; |
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private TextBox _filterBox; |
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private TextBlock _headerText; |
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#endregion
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#region [ Constructors ]
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static FilterBox() |
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{ |
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DefaultStyleKeyProperty.OverrideMetadata(typeof(FilterBox), new FrameworkPropertyMetadata(typeof(FilterBox))); |
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FilterEvent = EventManager.RegisterRoutedEvent("Filter", RoutingStrategy.Bubble, typeof(FilterRoutedEventHandler), typeof(FilterBox)); |
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ClearFilterEvent = EventManager.RegisterRoutedEvent("ClearFilter", RoutingStrategy.Bubble, typeof(RoutedEventArgs), typeof(FilterBox)); |
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} |
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#endregion
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#region [ FilterText property ]
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public static readonly DependencyProperty FilterTextProperty = |
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DependencyProperty.Register("FilterText", typeof(string), typeof(FilterBox), new PropertyMetadata(string.Empty)); |
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public string FilterText |
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{ |
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get => (string)GetValue(FilterTextProperty); |
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set => SetValue(FilterTextProperty, value); |
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} |
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#endregion
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#region Header property
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public static readonly DependencyProperty HeaderProperty = |
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DependencyProperty.Register("Header", typeof(string), typeof(FilterBox), new UIPropertyMetadata(string.Empty)); |
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public string Header |
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{ |
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get => (string)GetValue(HeaderProperty); |
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set => SetValue(HeaderProperty, value); |
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} |
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#endregion
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#region TargetControl property
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public static readonly DependencyProperty TargetControlProperty = |
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DependencyProperty.Register("TargetControl", typeof(ItemsControl), typeof(FilterBox), new UIPropertyMetadata(null)); |
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public ItemsControl TargetControl |
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{ |
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get => (ItemsControl)GetValue(TargetControlProperty); |
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set => SetValue(TargetControlProperty, value); |
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} |
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#endregion
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#region FilterTextBindingPath property
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public static readonly DependencyProperty FilterTextBindingPathProperty = |
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DependencyProperty.Register("FilterTextBindingPath", typeof(string), typeof(FilterBox), new PropertyMetadata(string.Empty)); |
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public string FilterTextBindingPath |
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{ |
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get => (string)GetValue(FilterTextBindingPathProperty); |
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set => SetValue(FilterTextBindingPathProperty, value); |
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} |
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#endregion
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#region FilterOnEnter property
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public static readonly DependencyProperty FilterOnEnterProperty = |
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DependencyProperty.Register("FilterOnEnter", typeof(bool), typeof(FilterBox), new UIPropertyMetadata(false)); |
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public bool FilterOnEnter |
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{ |
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get => (bool)GetValue(FilterOnEnterProperty); |
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set => SetValue(FilterOnEnterProperty, value); |
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} |
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public bool HasFocus => _filterBox.IsFocused; |
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#endregion
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#region Filter event
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public event FilterRoutedEventHandler Filter |
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{ |
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add => base.AddHandler(FilterEvent, value); |
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remove => base.RemoveHandler(FilterEvent, value); |
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} |
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#endregion
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#region ClearFilter event
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public event RoutedEventHandler ClearFilter |
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{ |
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add => base.AddHandler(ClearFilterEvent, value); |
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remove => base.RemoveHandler(ClearFilterEvent, value); |
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} |
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#endregion
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#region Overridden Functions/Methods
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public override void OnApplyTemplate() |
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{ |
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base.OnApplyTemplate(); |
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AttachToVisualTree(); |
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} |
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#endregion
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#region [ Private Functions/Methods ]
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private void ApplyFilterOnTarget() |
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{ |
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if (TargetControl?.ItemsSource == null) |
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return; |
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var collectionView = CollectionViewSource.GetDefaultView(TargetControl.ItemsSource); |
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if (collectionView == null) |
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throw new InvalidOperationException("The TargetConrol should use ICollectionView as ItemSource."); |
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collectionView.Filter = |
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m => Regex.IsMatch( |
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GetDataValue<string>(m, FilterTextBindingPath), |
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Regex.Escape(FilterText), |
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RegexOptions.IgnoreCase |
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); |
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} |
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private void ClearFilterOnTarget() |
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{ |
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if (TargetControl?.ItemsSource == null) |
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return; |
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var collectionView = CollectionViewSource.GetDefaultView(TargetControl.ItemsSource); |
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if (collectionView == null) |
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throw new InvalidOperationException("The TargetConrol should use ICollectionView as ItemSource."); |
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collectionView.Filter = null; |
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} |
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private void RaiseFilterEvent() |
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{ |
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var args = new FilterEventArgs(FilterEvent, this, this.FilterText); |
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RaiseEvent(args); |
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if (!args.IsFilterApplied) |
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ApplyFilterOnTarget(); |
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} |
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private static T GetDataValue<T>(object data, string propertyName) |
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{ |
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if (!string.IsNullOrEmpty(propertyName)) |
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{ |
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var descriptors = TypeDescriptor.GetProperties(data.GetType()); |
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var descriptor = descriptors[propertyName]; |
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if (descriptor != null) |
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{ |
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var value = (T)descriptor.GetValue(data); |
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return value; |
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} |
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} |
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return (T)Convert.ChangeType(data.ToString(), typeof(T)); |
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} |
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private void AttachToVisualTree() |
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{ |
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_headerText = GetTemplateChild(PART_Header) as TextBlock; |
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_filterBox = GetTemplateChild(PART_FilterBox) as TextBox; |
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if (_filterBox != null) |
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{ |
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_filterBox.LostKeyboardFocus += OnLostKeyboardFocus; |
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_filterBox.GotKeyboardFocus += OnGotKeyboardFocus; |
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_filterBox.TextChanged += OnFilterBoxTextChanged; |
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} |
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_clearButton = GetTemplateChild(PART_ClearButton) as Button; |
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if (_clearButton != null) |
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{ |
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_clearButton.Click += OnClearButtonClick; |
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} |
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GotKeyboardFocus += FilterGotKeyboardFocus; |
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KeyDown += OnKeyDown; |
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} |
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private void FilterGotKeyboardFocus(object sender, KeyboardFocusChangedEventArgs e) |
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{ |
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Keyboard.Focus(_filterBox); |
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_filterBox.CaretBrush = Foreground; |
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} |
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private void OnKeyDown(object sender, KeyEventArgs e) |
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{ |
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if (e.Key == Key.Escape && !string.IsNullOrEmpty(FilterText)) |
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{ |
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Clear(); |
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} |
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else if (e.Key == Key.Enter && FilterOnEnter) |
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{ |
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RaiseFilterEvent(); |
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} |
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} |
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private void OnClearButtonClick(object sender, RoutedEventArgs e) |
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{ |
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Clear(); |
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} |
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public void Clear(bool setFocus = true) |
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{ |
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if (_filterBox != null) |
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{ |
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_filterBox.Text = string.Empty; |
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if (setFocus) |
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Keyboard.Focus(_filterBox); |
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var args = new RoutedEventArgs(ClearFilterEvent, this); |
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RaiseEvent(args); |
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if (!args.Handled) |
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ClearFilterOnTarget(); |
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} |
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} |
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private void OnFilterBoxTextChanged(object sender, TextChangedEventArgs e) |
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{ |
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if (!FilterOnEnter) |
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{ |
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RaiseFilterEvent(); |
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} |
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if (string.IsNullOrEmpty(_filterBox.Text)) |
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{ |
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_clearButton.Visibility = Visibility.Collapsed; |
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_headerText.Visibility = !_filterBox.IsFocused ? Visibility.Visible : Visibility.Collapsed; |
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} |
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else |
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{ |
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_clearButton.Visibility = Visibility.Visible; |
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_headerText.Visibility = Visibility.Collapsed; |
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} |
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} |
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private void OnGotKeyboardFocus(object sender, KeyboardFocusChangedEventArgs e) |
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{ |
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_headerText.Visibility = Visibility.Collapsed; |
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} |
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private void OnLostKeyboardFocus(object sender, System.Windows.Input.KeyboardFocusChangedEventArgs e) |
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{ |
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if (string.IsNullOrEmpty(_filterBox.Text)) |
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_headerText.Visibility = Visibility.Visible; |
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_filterBox.CaretBrush = new SolidColorBrush(Colors.Transparent); |
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} |
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#endregion
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} |
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public class FilterEventArgs : RoutedEventArgs |
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{ |
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public string FilterText |
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{ |
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get; |
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} |
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public bool IsFilterApplied |
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{ |
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get; |
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set; |
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} |
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public FilterEventArgs() |
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{ |
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FilterText = null; |
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IsFilterApplied = false; |
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} |
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public FilterEventArgs(RoutedEvent routedEvent, object source) : |
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this(routedEvent, source, string.Empty) |
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{ |
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} |
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public FilterEventArgs(RoutedEvent routedEvent, object source, string filterText) |
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: base(routedEvent, source) |
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{ |
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FilterText = filterText; |
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} |
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} |
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} |
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<ResourceDictionary |
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" |
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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:themes="clr-namespace:Xceed.Wpf.Toolkit.Themes" |
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xmlns:local="clr-namespace:Xceed.Wpf.Toolkit" |
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mc:Ignorable="d"> |
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<!-- Style for the Clear Button --> |
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<Style x:Key="ClearButtonStyle" TargetType="{x:Type Button}"> |
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<Setter Property="BorderBrush" Value="Transparent"/> |
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<Setter Property="Background" Value="Transparent"/> |
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<Setter Property="Template"> |
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<Setter.Value> |
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<ControlTemplate TargetType="{x:Type Button}"> |
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<Border |
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CornerRadius="2" |
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Background="{TemplateBinding Background}" |
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BorderThickness="1" |
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BorderBrush="{TemplateBinding BorderBrush}" |
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Width="16" Height="16" |
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SnapsToDevicePixels="True"> |
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<Grid Width="8" Height="8" HorizontalAlignment="Center" VerticalAlignment="Center"> |
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<Path x:Name="path1" Stroke="#ADADAD" Data="M0,0 L8,8" StrokeThickness="2" /> |
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<Path x:Name="path2" Stroke="#ADADAD" Data="M8,0 L0,8" StrokeThickness="2" /> |
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</Grid> |
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</Border> |
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<ControlTemplate.Triggers> |
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<Trigger Property="IsMouseOver" Value="True"> |
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<Setter Property="BorderBrush" |
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Value="{DynamicResource {x:Static themes:ResourceKeys.ControlMouseOverBorderKey}}" /> |
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<Setter Property="Background" Value="WhiteSmoke"/> |
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<Setter Property="Stroke" TargetName="path1" Value="DarkRed"/> |
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<Setter Property="Stroke" TargetName="path2" Value="DarkRed"/> |
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</Trigger> |
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<Trigger Property="IsPressed" Value="True"> |
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<Setter Property="Background"> |
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<Setter.Value> |
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<LinearGradientBrush EndPoint="0,1" StartPoint="0,0"> |
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<GradientStop Color="#FFADADAD" Offset="0"/> |
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<GradientStop Color="White" Offset="0.5"/> |
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<GradientStop Color="White" Offset="1"/> |
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</LinearGradientBrush> |
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</Setter.Value> |
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</Setter> |
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</Trigger> |
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</ControlTemplate.Triggers> |
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</ControlTemplate> |
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</Setter.Value> |
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</Setter> |
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</Style> |
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<Style x:Key="FilterTextBoxStyle" TargetType="{x:Type TextBox}"> |
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<Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.WindowBrushKey}}" /> |
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<Setter Property="BorderBrush" Value="{DynamicResource {x:Static themes:ResourceKeys.ControlNormalBorderKey}}" /> |
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<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/> |
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<Setter Property="Padding" Value="2"/> |
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<Setter Property="FocusVisualStyle" Value="{x:Null}"/> |
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<Setter Property="AllowDrop" Value="true"/> |
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<Setter Property="Template"> |
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<Setter.Value> |
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<ControlTemplate TargetType="{x:Type TextBox}"> |
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<Border x:Name="Bd" SnapsToDevicePixels="true" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}"> |
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<ScrollViewer x:Name="PART_ContentHost" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/> |
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</Border> |
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<ControlTemplate.Triggers> |
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<Trigger Property="IsEnabled" Value="false"> |
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<Setter Property="Background" TargetName="Bd" Value="{DynamicResource {x:Static SystemColors.ControlBrushKey}}"/> |
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<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/> |
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</Trigger> |
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</ControlTemplate.Triggers> |
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</ControlTemplate> |
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</Setter.Value> |
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</Setter> |
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<Setter Property="BorderThickness" Value="0,0,0,0"/> |
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</Style> |
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<Style TargetType="{x:Type local:FilterBox}"> |
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<Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.WindowBrushKey}}"/> |
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<Setter Property="FilterOnEnter" Value="False"/> |
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<Setter Property="Template"> |
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<Setter.Value> |
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<ControlTemplate TargetType="{x:Type local:FilterBox}"> |
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<Border Background="{DynamicResource {x:Static SystemColors.ActiveBorderBrushKey}}"> |
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<Grid Margin="1"> |
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<Grid.ColumnDefinitions> |
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<ColumnDefinition Width="Auto"/> |
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<ColumnDefinition Width="*"/> |
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<ColumnDefinition Width="Auto"/> |
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</Grid.ColumnDefinitions> |
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<Border Background="{TemplateBinding Background}" Grid.ColumnSpan="3" VerticalAlignment="Stretch" HorizontalAlignment="Stretch" /> |
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<Image Grid.Column="0" Source="../Images/icon-search.png"/> |
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<TextBox Style="{StaticResource FilterTextBoxStyle}" |
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x:Name="PART_FilterBox" |
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AutoWordSelection="True" |
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Grid.Column="1" |
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Margin="0,1,0,1" |
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VerticalAlignment="Center" |
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Text="{Binding RelativeSource={RelativeSource AncestorType={x:Type local:FilterBox}}, Path=FilterText, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"/> |
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<TextBlock x:Name="PART_Header" |
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Text="{TemplateBinding Header}" |
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VerticalAlignment="Center" |
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HorizontalAlignment="Left" |
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Margin="2,0,0,0" |
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Grid.Column="1" |
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IsHitTestVisible="False"/> |
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<Button x:Name="PART_ClearButton" |
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Grid.Column="2" |
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Margin="0,0,4,0" |
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Style="{StaticResource ClearButtonStyle}" |
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Visibility="Collapsed"/> |
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</Grid> |
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</Border> |
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</ControlTemplate> |
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</Setter.Value> |
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</Setter> |
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</Style> |
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|
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</ResourceDictionary> |
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@ -0,0 +1,120 @@ |
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<ResourceDictionary |
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" |
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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:themes="clr-namespace:Xceed.Wpf.Toolkit.Themes" |
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xmlns:local="clr-namespace:Xceed.Wpf.Toolkit" |
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mc:Ignorable="d"> |
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|
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<!-- Style for the Clear Button --> |
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<Style x:Key="ClearButtonStyle" TargetType="{x:Type Button}"> |
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<Setter Property="BorderBrush" Value="Transparent"/> |
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<Setter Property="Background" Value="Transparent"/> |
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<Setter Property="Template"> |
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<Setter.Value> |
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<ControlTemplate TargetType="{x:Type Button}"> |
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<Border |
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CornerRadius="2" |
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Background="{TemplateBinding Background}" |
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BorderThickness="1" |
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BorderBrush="{TemplateBinding BorderBrush}" |
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Width="16" Height="16" |
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SnapsToDevicePixels="True"> |
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<Grid Width="8" Height="8" HorizontalAlignment="Center" VerticalAlignment="Center"> |
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<Path x:Name="path1" Stroke="#ADADAD" Data="M0,0 L8,8" StrokeThickness="2" /> |
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<Path x:Name="path2" Stroke="#ADADAD" Data="M8,0 L0,8" StrokeThickness="2" /> |
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</Grid> |
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</Border> |
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<ControlTemplate.Triggers> |
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<Trigger Property="IsMouseOver" Value="True"> |
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<Setter Property="BorderBrush" |
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Value="{DynamicResource {x:Static themes:ResourceKeys.ControlMouseOverBorderKey}}" /> |
||||
|
<Setter Property="Background" Value="WhiteSmoke"/> |
||||
|
<Setter Property="Stroke" TargetName="path1" Value="DarkRed"/> |
||||
|
<Setter Property="Stroke" TargetName="path2" Value="DarkRed"/> |
||||
|
</Trigger> |
||||
|
<Trigger Property="IsPressed" Value="True"> |
||||
|
<Setter Property="Background"> |
||||
|
<Setter.Value> |
||||
|
<LinearGradientBrush EndPoint="0,1" StartPoint="0,0"> |
||||
|
<GradientStop Color="#FFADADAD" Offset="0"/> |
||||
|
<GradientStop Color="White" Offset="0.5"/> |
||||
|
<GradientStop Color="White" Offset="1"/> |
||||
|
</LinearGradientBrush> |
||||
|
</Setter.Value> |
||||
|
</Setter> |
||||
|
</Trigger> |
||||
|
</ControlTemplate.Triggers> |
||||
|
</ControlTemplate> |
||||
|
</Setter.Value> |
||||
|
</Setter> |
||||
|
</Style> |
||||
|
|
||||
|
<Style x:Key="FilterTextBoxStyle" TargetType="{x:Type TextBox}"> |
||||
|
<Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.WindowBrushKey}}" /> |
||||
|
<Setter Property="BorderBrush" Value="{DynamicResource {x:Static themes:ResourceKeys.ControlNormalBorderKey}}" /> |
||||
|
<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/> |
||||
|
<Setter Property="Padding" Value="2"/> |
||||
|
<Setter Property="FocusVisualStyle" Value="{x:Null}"/> |
||||
|
<Setter Property="AllowDrop" Value="true"/> |
||||
|
<Setter Property="Template"> |
||||
|
<Setter.Value> |
||||
|
<ControlTemplate TargetType="{x:Type TextBox}"> |
||||
|
<Border x:Name="Bd" SnapsToDevicePixels="true" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}"> |
||||
|
<ScrollViewer x:Name="PART_ContentHost" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/> |
||||
|
</Border> |
||||
|
<ControlTemplate.Triggers> |
||||
|
<Trigger Property="IsEnabled" Value="false"> |
||||
|
<Setter Property="Background" TargetName="Bd" Value="{DynamicResource {x:Static SystemColors.ControlBrushKey}}"/> |
||||
|
<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/> |
||||
|
</Trigger> |
||||
|
</ControlTemplate.Triggers> |
||||
|
</ControlTemplate> |
||||
|
</Setter.Value> |
||||
|
</Setter> |
||||
|
<Setter Property="BorderThickness" Value="0,0,0,0"/> |
||||
|
</Style> |
||||
|
|
||||
|
<Style TargetType="{x:Type local:FilterBox}"> |
||||
|
<Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.WindowBrushKey}}"/> |
||||
|
<Setter Property="FilterOnEnter" Value="False"/> |
||||
|
<Setter Property="Template"> |
||||
|
<Setter.Value> |
||||
|
<ControlTemplate TargetType="{x:Type local:FilterBox}"> |
||||
|
<Border Background="{DynamicResource {x:Static SystemColors.ActiveBorderBrushKey}}"> |
||||
|
<Grid Margin="1"> |
||||
|
<Grid.ColumnDefinitions> |
||||
|
<ColumnDefinition Width="Auto"/> |
||||
|
<ColumnDefinition Width="*"/> |
||||
|
<ColumnDefinition Width="Auto"/> |
||||
|
</Grid.ColumnDefinitions> |
||||
|
<Border Background="{TemplateBinding Background}" Grid.ColumnSpan="3" VerticalAlignment="Stretch" HorizontalAlignment="Stretch" /> |
||||
|
<Image Grid.Column="0" Source="../Images/icon-search.png"/> |
||||
|
<TextBox Style="{StaticResource FilterTextBoxStyle}" |
||||
|
x:Name="PART_FilterBox" |
||||
|
AutoWordSelection="True" |
||||
|
Grid.Column="1" |
||||
|
Margin="0,1,0,1" |
||||
|
VerticalAlignment="Center" |
||||
|
Text="{Binding RelativeSource={RelativeSource AncestorType={x:Type local:FilterBox}}, Path=FilterText, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"/> |
||||
|
<TextBlock x:Name="PART_Header" |
||||
|
Text="{TemplateBinding Header}" |
||||
|
VerticalAlignment="Center" |
||||
|
HorizontalAlignment="Left" |
||||
|
Margin="2,0,0,0" |
||||
|
Grid.Column="1" |
||||
|
IsHitTestVisible="False"/> |
||||
|
<Button x:Name="PART_ClearButton" |
||||
|
Grid.Column="2" |
||||
|
Margin="0,0,4,0" |
||||
|
Style="{StaticResource ClearButtonStyle}" |
||||
|
Visibility="Collapsed"/> |
||||
|
</Grid> |
||||
|
</Border> |
||||
|
</ControlTemplate> |
||||
|
</Setter.Value> |
||||
|
</Setter> |
||||
|
</Style> |
||||
|
|
||||
|
</ResourceDictionary> |
||||
Loading…
Reference in new issue