kmpdfkit_demo/compdfkit_demo_windows/compdfkit/compdfkit-tools/Common/BarControl/CPDFAnnotationBarControl.xaml.cs

using compdfkit_tools.Data;
using ComPDFKitViewer.AnnotEvent;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;

namespace compdfkit_tools.PDFControl
{
    /// <summary>
    /// PDFAnnotationBarControl.xaml 的交互逻辑
    /// </summary>
    public partial class CPDFAnnotationBarControl : UserControl
    {
        private int annotationCounter = 0;
        private Brush brush = null;

        public event EventHandler<AnnotationType> AnnotationPropertyChanged;
        public event EventHandler AnnotationCancel;

        public CPDFAnnotationBarControl()
        {
            InitializeComponent();
        }

        private void CreateAnnotationButton(ToggleButton toggleButton)
        {
            toggleButton.Width = 50;
            toggleButton.Background = brush;
            Geometry annotationGeometry = Geometry.Parse(""); ;

            ImageBrush imageBrush = new ImageBrush();
            string path = string.Empty;
            if (toggleButton.Tag.ToString() == AnnotationType.Highlight.ToString())
            {
                path = "pack://application:,,,/com.compdfkit.tools;component/Asset/Resource/Annotation/Highlight.png";
            }
            else if (toggleButton.Tag.ToString() == AnnotationType.Underline.ToString())
            {
                path = "pack://application:,,,/com.compdfkit.tools;component/Asset/Resource/Annotation/Underline.png";
            }
            else if (toggleButton.Tag.ToString() == AnnotationType.Strikeout.ToString())
            {
                path = "pack://application:,,,/com.compdfkit.tools;component/Asset/Resource/Annotation/Strikeout.png";
            }
            else if (toggleButton.Tag.ToString() == AnnotationType.Squiggly.ToString())
            {
                path = "pack://application:,,,/com.compdfkit.tools;component/Asset/Resource/Annotation/Squiggly.png";
            }
            else if (toggleButton.Tag.ToString() == AnnotationType.FreeText.ToString())
            {
                path = "pack://application:,,,/com.compdfkit.tools;component/Asset/Resource/Annotation/Freetext.png";
            }
            else if (toggleButton.Tag.ToString() == AnnotationType.Note.ToString())
            {
                path = "pack://application:,,,/com.compdfkit.tools;component/Asset/Resource/Annotation/Note.png";
            }
            else if (toggleButton.Tag.ToString() == AnnotationType.Square.ToString())
            {
                path = "pack://application:,,,/com.compdfkit.tools;component/Asset/Resource/Annotation/Rect.png";
            }
            else if (toggleButton.Tag.ToString() == AnnotationType.Circle.ToString())
            {
                path = "pack://application:,,,/com.compdfkit.tools;component/Asset/Resource/Annotation/Round.png";
            }
            else if (toggleButton.Tag.ToString() == AnnotationType.Arrow.ToString())
            {
                path = "pack://application:,,,/com.compdfkit.tools;component/Asset/Resource/Annotation/Arrow.png";
            }
            else if (toggleButton.Tag.ToString() == AnnotationType.Line.ToString())
            {
                path = "pack://application:,,,/com.compdfkit.tools;component/Asset/Resource/Annotation/StraightLine.png";
            }
            else if (toggleButton.Tag.ToString() == AnnotationType.Freehand.ToString())
            {
                path = "pack://application:,,,/com.compdfkit.tools;component/Asset/Resource/Annotation/Freehand.png";
            }
            else if (toggleButton.Tag.ToString() == AnnotationType.Stamp.ToString())
            {
                path = "pack://application:,,,/com.compdfkit.tools;component/Asset/Resource/Annotation/Stamp.png";
            }
            else if (toggleButton.Tag.ToString() == AnnotationType.Signature.ToString())
            {
                path = "pack://application:,,,/com.compdfkit.tools;component/Asset/Resource/Annotation/Signature.png";
            }
            else if (toggleButton.Tag.ToString() == AnnotationType.Link.ToString())
            {
                path = "pack://application:,,,/com.compdfkit.tools;component/Asset/Resource/Annotation/Link.png";
            }
            else if (toggleButton.Tag.ToString() == AnnotationType.Sound.ToString())
            {
                path = "pack://application:,,,/com.compdfkit.tools;component/Asset/Resource/Annotation/Sound.png";
            }
            if (path != string.Empty)
            {
                BitmapImage bitmapImage = new BitmapImage(new Uri(path, UriKind.Absolute));
                Image image = new Image();
                image.Source = bitmapImage;
                imageBrush.ImageSource = bitmapImage;
                Grid grid = new Grid();
                grid.Height = 20;
                grid.Width = 20;
                grid.Children.Add(image);

                toggleButton.Content = grid;
                toggleButton.Click += ToggleButton_Click;

                Grid.SetColumn(toggleButton, annotationCounter++);
                AnnotationGrid.Children.Add(toggleButton);
            }
        }

        private void ClearToolState(UIElement sender)
        {
            foreach (UIElement child in AnnotationGrid.Children)
            {
                if (child is ToggleButton toggle && (child as ToggleButton) != (sender as ToggleButton))
                {
                    toggle.IsChecked = false;
                }
            }
        }

        private void ToggleButton_Click(object sender, RoutedEventArgs e)
        {
            ClearToolState(sender as ToggleButton);
            if((bool)(sender as ToggleButton).IsChecked)
            {
                AnnotationPropertyChanged?.Invoke(sender, CPDFAnnotationDictionary.GetAnnotationFromTag[(sender as ToggleButton).Tag.ToString()]);
            }
            else
            {
                AnnotationCancel?.Invoke(sender, EventArgs.Empty);
            }
        }

        public void InitAnnotationBar(AnnotationType[] annotationProperties)
        {
            brush = (Brush)FindResource("btn.bg.bota");
            for (int i = 0; i < annotationProperties.Length; i++)
            {
                AnnotationGrid.ColumnDefinitions.Add(new ColumnDefinition());
                AnnotationType annotation = annotationProperties[i];
                ToggleButton toggleButton = new ToggleButton();
                toggleButton.Tag = annotation.ToString();
                CreateAnnotationButton(toggleButton);
                AnnotationGrid.Width += 50;
            }
        }
    }
}