PDFOffice_Windows_exe/PDF Office/Views/HomeContent.xaml.cs

using PDF_Office.CustomControl;
using PDF_Office.Helper;
using PDF_Office.ViewModels;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
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
{
    public class PromotionBanner
    {
        public string ImagePath { get; set; }
        public string Content { get; set; }
        public PromotionBanner(string ImagePath,string Content)
        {
            this.ImagePath = ImagePath;
            this.Content = Content;
        }

    }
    /// <summary>
    /// HomeContent.xaml 的交互逻辑
    /// </summary>
    public partial class HomeContent : UserControl
    {

        private bool IsContextMenuOpen = false;
       
        public HomeContent()
        {
            InitializeComponent();
            BtnGuid.IsChecked = true;
           
        }
      
        private void ToggleBtnSelect_Click(object sender, RoutedEventArgs e)
        {
            BtnGuid.IsChecked = false;
            BtnTool.IsChecked = false;
            BtnCloud.IsChecked = false;

            var btn = sender as CustomIconToggleBtn;
            if(btn != null )
            {
                btn.IsChecked = true;
            }
            
        }

        private void BtnCreatPDF_Initialized(object sender, EventArgs e)
        {
            var btn = sender as Button;
            if(btn!=null)
            {
                btn.ContextMenu = null;
            }
        }

        private void BtnExpand_Click(object sender, RoutedEventArgs e)
        {
            ContextCreatePDF.PlacementTarget = BtnCreatPDF;
            ContextCreatePDF.Placement = System.Windows.Controls.Primitives.PlacementMode.Bottom;
            IsContextMenuOpen = !IsContextMenuOpen;
            ContextCreatePDF.IsOpen = IsContextMenuOpen;
        }

        private void ContextCreatePDF_Closed(object sender, RoutedEventArgs e)
        {
            var visual = VisualTreeHelper.HitTest(BtnExpand, Mouse.GetPosition(BtnExpand));
            if (visual == null)
            {
                //点击其他地方引起的下拉框收取，猜需要更改按钮状态，
                //如果是点击按钮造成的下拉框收起，则不需要更改按钮状态(如果改了，会出现每次缓慢点击按钮都展开下拉框的现象)
                IsContextMenuOpen = false;
            }
        }

        private void UserControl_DragEnter(object sender, DragEventArgs e)
        {
            DragDropHelper.DragEnter(this,e);
        }

        private void UserControl_DragOver(object sender, DragEventArgs e)
        {
            DragDropHelper.DragOver(this, e);
        }

        private void UserControl_DragLeave(object sender, DragEventArgs e)
        {
            DragDropHelper.DragLeave();
        }

        private void UserControl_Drop(object sender, DragEventArgs e)
        {
            try
            {
                DragDropHelper.Drop(this, e);

                string[] file = (string[])e.Data.GetData(DataFormats.FileDrop);
                if(file.Length>0)
                {
                    (this.DataContext as HomeContentViewModel).AddFileFromDrag(file.ToList());
                }
            }
            catch { }
        }
    }
}