support for .NET framework 3.5
Still have bugs
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using System;
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using System.ComponentModel;
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using System.Globalization;
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using System.Windows;
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using System.Windows.Documents;
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using System.Windows.Media;
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using HandyControl.Data;
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namespace HandyControl.Controls
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{
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public class OutlineText : FrameworkElement
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{
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private FormattedText _formattedText;
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private Geometry _textGeometry;
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static OutlineText()
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{
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SnapsToDevicePixelsProperty.OverrideMetadata(typeof(OutlineText), new FrameworkPropertyMetadata(ValueBoxes.TrueBox));
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}
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public static readonly DependencyProperty TextProperty = DependencyProperty.Register(
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"Text", typeof(string), typeof(OutlineText), new FrameworkPropertyMetadata(
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string.Empty,
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FrameworkPropertyMetadataOptions.AffectsMeasure |
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FrameworkPropertyMetadataOptions.AffectsRender, OnFormattedTextInvalidated));
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public string Text
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{
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get => (string) GetValue(TextProperty);
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set => SetValue(TextProperty, value);
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}
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public static readonly DependencyProperty TextAlignmentProperty = DependencyProperty.Register(
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"TextAlignment", typeof(TextAlignment), typeof(OutlineText),
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new PropertyMetadata(default(TextAlignment), OnFormattedTextUpdated));
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public TextAlignment TextAlignment
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{
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get => (TextAlignment) GetValue(TextAlignmentProperty);
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set => SetValue(TextAlignmentProperty, value);
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}
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public static readonly DependencyProperty TextTrimmingProperty = DependencyProperty.Register(
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"TextTrimming", typeof(TextTrimming), typeof(OutlineText),
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new PropertyMetadata(default(TextTrimming), OnFormattedTextInvalidated));
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public TextTrimming TextTrimming
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{
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get => (TextTrimming) GetValue(TextTrimmingProperty);
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set => SetValue(TextTrimmingProperty, value);
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}
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public static readonly DependencyProperty TextWrappingProperty = DependencyProperty.Register(
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"TextWrapping", typeof(TextWrapping), typeof(OutlineText),
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new PropertyMetadata(TextWrapping.NoWrap, OnFormattedTextInvalidated));
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public TextWrapping TextWrapping
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{
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get => (TextWrapping) GetValue(TextWrappingProperty);
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set => SetValue(TextWrappingProperty, value);
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}
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public static readonly DependencyProperty FillProperty = DependencyProperty.Register(
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"Fill", typeof(Brush), typeof(OutlineText), new PropertyMetadata(Brushes.Black, OnFormattedTextUpdated));
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public Brush Fill
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{
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get => (Brush) GetValue(FillProperty);
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set => SetValue(FillProperty, value);
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}
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public static readonly DependencyProperty StrokeProperty = DependencyProperty.Register(
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"Stroke", typeof(Brush), typeof(OutlineText), new PropertyMetadata(Brushes.Black, OnFormattedTextUpdated));
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public Brush Stroke
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{
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get => (Brush) GetValue(StrokeProperty);
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set => SetValue(StrokeProperty, value);
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}
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public static readonly DependencyProperty StrokeThicknessProperty = DependencyProperty.Register(
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"StrokeThickness", typeof(double), typeof(OutlineText), new PropertyMetadata(ValueBoxes.Double0Box, OnFormattedTextUpdated));
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public double StrokeThickness
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{
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get => (double) GetValue(StrokeThicknessProperty);
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set => SetValue(StrokeThicknessProperty, value);
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}
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public static readonly DependencyProperty FontFamilyProperty = TextElement.FontFamilyProperty.AddOwner(
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typeof(OutlineText),
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new FrameworkPropertyMetadata(OnFormattedTextUpdated));
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public FontFamily FontFamily
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{
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get => (FontFamily)GetValue(FontFamilyProperty);
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set => SetValue(FontFamilyProperty, value);
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}
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public static readonly DependencyProperty FontSizeProperty = TextElement.FontSizeProperty.AddOwner(
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typeof(OutlineText),
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new FrameworkPropertyMetadata(OnFormattedTextUpdated));
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[TypeConverter(typeof(FontSizeConverter))]
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public double FontSize
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{
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get => (double)GetValue(FontSizeProperty);
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set => SetValue(FontSizeProperty, value);
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}
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public static readonly DependencyProperty FontStretchProperty = TextElement.FontStretchProperty.AddOwner(
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typeof(OutlineText),
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new FrameworkPropertyMetadata(OnFormattedTextUpdated));
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public FontStretch FontStretch
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{
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get => (FontStretch)GetValue(FontStretchProperty);
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set => SetValue(FontStretchProperty, value);
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}
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public static readonly DependencyProperty FontStyleProperty = TextElement.FontStyleProperty.AddOwner(
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typeof(OutlineText),
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new FrameworkPropertyMetadata(OnFormattedTextUpdated));
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public FontStyle FontStyle
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{
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get => (FontStyle)GetValue(FontStyleProperty);
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set => SetValue(FontStyleProperty, value);
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}
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public static readonly DependencyProperty FontWeightProperty = TextElement.FontWeightProperty.AddOwner(
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typeof(OutlineText),
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new FrameworkPropertyMetadata(OnFormattedTextUpdated));
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public FontWeight FontWeight
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{
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get => (FontWeight)GetValue(FontWeightProperty);
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set => SetValue(FontWeightProperty, value);
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}
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protected override void OnRender(DrawingContext drawingContext)
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{
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EnsureGeometry();
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drawingContext.DrawGeometry(Fill, new Pen(Stroke, StrokeThickness), _textGeometry);
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}
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private void EnsureFormattedText()
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{
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if (_formattedText != null || Text == null)
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{
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return;
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}
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#if netle45
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_formattedText = new FormattedText(
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Text,
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CultureInfo.CurrentUICulture,
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FlowDirection,
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new Typeface(FontFamily, FontStyle, FontWeight, FontStretch),
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FontSize, Fill);
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#else
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var source = PresentationSource.FromVisual(this);
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var dpi = 1.0;
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if (source?.CompositionTarget != null)
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{
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dpi = 96.0 * source.CompositionTarget.TransformToDevice.M11 / 96.0;
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}
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_formattedText = new FormattedText(
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Text,
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CultureInfo.CurrentUICulture,
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FlowDirection,
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new Typeface(FontFamily, FontStyle, FontWeight, FontStretch),
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FontSize, Fill, dpi);
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#endif
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UpdateFormattedText();
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}
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private void EnsureGeometry()
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{
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if (_textGeometry != null)
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{
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return;
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}
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EnsureFormattedText();
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_textGeometry = _formattedText.BuildGeometry(new Point(0, 0));
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}
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private void UpdateFormattedText()
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{
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if (_formattedText == null)
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{
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return;
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}
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_formattedText.MaxLineCount = TextWrapping == TextWrapping.NoWrap ? 1 : int.MaxValue;
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_formattedText.TextAlignment = TextAlignment;
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_formattedText.Trimming = TextTrimming;
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_formattedText.SetFontSize(FontSize);
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_formattedText.SetFontStyle(FontStyle);
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_formattedText.SetFontWeight(FontWeight);
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_formattedText.SetFontFamily(FontFamily);
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_formattedText.SetFontStretch(FontStretch);
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}
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private static void OnFormattedTextUpdated(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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var outlinedTextBlock = (OutlineText)d;
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outlinedTextBlock.UpdateFormattedText();
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outlinedTextBlock._textGeometry = null;
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outlinedTextBlock.InvalidateMeasure();
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outlinedTextBlock.InvalidateVisual();
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}
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private static void OnFormattedTextInvalidated(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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var outlinedTextBlock = (OutlineText)d;
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outlinedTextBlock._formattedText = null;
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outlinedTextBlock._textGeometry = null;
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outlinedTextBlock.InvalidateMeasure();
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outlinedTextBlock.InvalidateVisual();
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}
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protected override Size MeasureOverride(Size availableSize)
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{
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EnsureFormattedText();
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// constrain the formatted text according to the available size
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// the Math.Min call is important - without this constraint (which seems arbitrary, but is the maximum allowable text width), things blow up when availableSize is infinite in both directions
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// the Math.Max call is to ensure we don't hit zero, which will cause MaxTextHeight to throw
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_formattedText.MaxTextWidth = Math.Min(3579139, availableSize.Width);
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_formattedText.MaxTextHeight = Math.Max(0.0001d, availableSize.Height);
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// return the desired size
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return new Size(_formattedText.Width, _formattedText.Height);
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}
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}
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}
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@@ -0,0 +1,89 @@
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using System;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Input;
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using HandyControl.Data;
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using HandyControl.Interactivity;
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namespace HandyControl.Controls
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{
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public class Tag : ContentControl
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{
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public Tag()
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{
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CommandBindings.Add(new CommandBinding(ControlCommands.Close, (s, e) =>
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{
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var argsClosing = new CancelRoutedEventArgs(ClosingEvent, this);
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RaiseEvent(argsClosing);
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if (argsClosing.Cancel) return;
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RaiseEvent(new RoutedEventArgs(ClosedEvent, this));
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}));
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}
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public static readonly DependencyProperty ShowCloseButtonProperty = DependencyProperty.Register(
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"ShowCloseButton", typeof(bool), typeof(Tag), new PropertyMetadata(ValueBoxes.TrueBox));
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public bool ShowCloseButton
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{
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get => (bool) GetValue(ShowCloseButtonProperty);
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set => SetValue(ShowCloseButtonProperty, value);
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}
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public static readonly DependencyProperty SelectableProperty = DependencyProperty.Register(
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"Selectable", typeof(bool), typeof(Tag), new PropertyMetadata(ValueBoxes.FalseBox));
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public bool Selectable
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{
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get => (bool) GetValue(SelectableProperty);
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set => SetValue(SelectableProperty, value);
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}
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public static readonly DependencyProperty IsSelectedProperty = DependencyProperty.Register(
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"IsSelected", typeof(bool), typeof(Tag), new PropertyMetadata(ValueBoxes.FalseBox, (o, args) =>
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{
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var ctl = (Tag) o;
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ctl.RaiseEvent(new RoutedEventArgs(SelectedEvent, ctl));
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}));
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public bool IsSelected
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{
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get => (bool) GetValue(IsSelectedProperty);
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set => SetValue(IsSelectedProperty, value);
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}
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public static readonly RoutedEvent SelectedEvent = EventManager.RegisterRoutedEvent("Selected", RoutingStrategy.Bubble, typeof(EventHandler), typeof(Tag));
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public event EventHandler Selected
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{
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add => AddHandler(SelectedEvent, value);
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remove => RemoveHandler(SelectedEvent, value);
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}
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public static readonly RoutedEvent ClosingEvent = EventManager.RegisterRoutedEvent("Closing", RoutingStrategy.Bubble, typeof(EventHandler), typeof(Tag));
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public event EventHandler Closing
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{
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add => AddHandler(ClosingEvent, value);
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remove => RemoveHandler(ClosingEvent, value);
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}
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public static readonly RoutedEvent ClosedEvent = EventManager.RegisterRoutedEvent("Closed", RoutingStrategy.Bubble, typeof(EventHandler), typeof(Tag));
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public event EventHandler Closed
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{
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add => AddHandler(ClosedEvent, value);
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remove => RemoveHandler(ClosedEvent, value);
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}
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protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
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{
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base.OnMouseLeftButtonDown(e);
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if (Selectable)
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{
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IsSelected = true;
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}
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}
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}
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}
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@@ -0,0 +1,88 @@
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using System;
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using System.Windows;
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using System.Windows.Controls;
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using HandyControl.Data;
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using HandyControl.Interactivity;
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using HandyControl.Tools;
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namespace HandyControl.Controls
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{
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public class TagPanel : WrapPanel
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{
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private Button _addTagButton;
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private bool _isInternalAction;
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public TagPanel()
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{
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var behavior = new FluidMoveBehavior
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{
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AppliesTo = FluidMoveScope.Children,
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Duration = new Duration(TimeSpan.FromMilliseconds(200))
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};
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var collection = Interaction.GetBehaviors(this);
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collection.Add(behavior);
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AddHandler(Controls.Tag.ClosedEvent, new RoutedEventHandler(Tag_OnClosed));
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}
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private void Tag_OnClosed(object sender, RoutedEventArgs e) => Children.Remove(e.OriginalSource as Tag);
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public static readonly RoutedEvent AddTagButtonClickEvent = EventManager.RegisterRoutedEvent("AddTagButtonClick", RoutingStrategy.Bubble, typeof(EventHandler), typeof(TagPanel));
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public event EventHandler AddTagButtonClick
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{
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add => AddHandler(AddTagButtonClickEvent, value);
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remove => RemoveHandler(AddTagButtonClickEvent, value);
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}
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public static readonly DependencyProperty ShowAddButtonProperty = DependencyProperty.Register(
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"ShowAddButton", typeof(bool), typeof(TagPanel), new PropertyMetadata(ValueBoxes.FalseBox));
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public bool ShowAddButton
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{
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get => (bool) GetValue(ShowAddButtonProperty);
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set => SetValue(ShowAddButtonProperty, value);
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}
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public static readonly DependencyProperty TagMarginProperty = DependencyProperty.Register(
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"TagMargin", typeof(Thickness), typeof(TagPanel), new PropertyMetadata(new Thickness(5)));
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public Thickness TagMargin
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{
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get => (Thickness) GetValue(TagMarginProperty);
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set => SetValue(TagMarginProperty, value);
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}
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protected override void OnVisualChildrenChanged(DependencyObject visualAdded, DependencyObject visualRemoved)
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{
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if (!(visualAdded is Tag tag)) return;
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base.OnVisualChildrenChanged(visualAdded, visualRemoved);
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tag.Margin = TagMargin;
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if (_isInternalAction) return;
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if (ShowAddButton)
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{
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_isInternalAction = true;
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if (!Children.Contains(_addTagButton))
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{
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_addTagButton = new Button
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{
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Style = ResourceHelper.GetResource<Style>(ResourceToken.AddTagButtonStyle),
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Margin = TagMargin
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};
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_addTagButton.Click += AddTagButton_Click;
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Children.Add(_addTagButton);
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}
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else
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{
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Children.Remove(_addTagButton);
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Children.Add(_addTagButton);
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}
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_isInternalAction = false;
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}
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}
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private void AddTagButton_Click(object sender, RoutedEventArgs e) => RaiseEvent(new RoutedEventArgs(AddTagButtonClickEvent, this));
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}
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}
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Reference in new issue
Block a user