PDFOffice_Windows_exe/PDF Office/Views/PropertyPanel/AnnotPanel/StickyNoteProperty.xaml.cs

using ComPDFKitViewer.AnnotEvent;
using PDF_Office.ViewModels.PropertyPanel.AnnotPanel;
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.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace PDF_Office.Views.PropertyPanel.AnnotPanel
{
    /// <summary>
    /// StickyNoteProperty.xaml 的交互逻辑
    /// </summary>
    public partial class StickyNoteProperty : UserControl
    {
        private StickyNotePropertyViewModel ViewModel => DataContext as StickyNotePropertyViewModel;
        public StickyNoteProperty()
        {
            InitializeComponent();
            
        }

        private void ViewModel_LoadPropertyHandler(object sender, object e)
        {
            var item = e as AnnotHandlerEventArgs;
            switch (item.EventType)
            {
                case AnnotArgsType.AnnotHighlight:
                    {
                        var annot = item as TextHighlightAnnotArgs;
                        if (annot != null)
                        {
                            cusColor.SelectedColor = annot.Color;
                            SlidOpacity.SetSliOpacity(annot.Transparency);
                        }
                        break;
                    }

                case AnnotArgsType.AnnotUnderline:
                    {
                        var annot = item as TextUnderlineAnnotArgs;
                        if (annot != null)
                        {
                            cusColor.SelectedColor = annot.Color;
                            SlidOpacity.SetSliOpacity(annot.Transparency);
                        }
                        break;
                    }

                case AnnotArgsType.AnnotStrikeout:
                    {
                        var annot = item as TextStrikeoutAnnotArgs;
                        if (annot != null)
                        {
                            cusColor.SelectedColor = annot.Color;
                            SlidOpacity.SetSliOpacity(annot.Transparency);
                        }
                        break;
                    }
            }
        }

        private void SlidOpacity_SelectedValue(object sender, double e)
        {
            if (ViewModel != null)
            {
                ViewModel.SelectedValueChangedCommand?.Execute(e);
            }
        }

        private void cusColor_SelectedColor(object sender, Color e)
        {
            if (ViewModel != null)
            {
                ViewModel.SelectedColorChangedCommand?.Execute(e);
            }
        }

        private void UserControl_Loaded(object sender, RoutedEventArgs e)
        {
            cusColor.SelectedColorHandler -= cusColor_SelectedColor;
            cusColor.SelectedColorHandler += cusColor_SelectedColor;

            SlidOpacity.SelectedValueChanged -= SlidOpacity_SelectedValue;
            SlidOpacity.SelectedValueChanged += SlidOpacity_SelectedValue;

            ViewModel.LoadPropertyHandler -= ViewModel_LoadPropertyHandler;
            ViewModel.LoadPropertyHandler += ViewModel_LoadPropertyHandler;
        }

        private void UserControl_Unloaded(object sender, RoutedEventArgs e)
        {
            cusColor.SelectedColorHandler -= cusColor_SelectedColor;
            SlidOpacity.SelectedValueChanged -= SlidOpacity_SelectedValue;
            ViewModel.LoadPropertyHandler -= ViewModel_LoadPropertyHandler;
        }
    }
}