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+using System;
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+using System.Collections.Generic;
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+using System.Collections.ObjectModel;
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+using System.ComponentModel;
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+using System.Diagnostics;
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+using System.Linq;
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+using System.Text;
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+using System.Threading.Tasks;
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+using System.Windows;
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+using System.Windows.Controls;
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+using System.Windows.Controls.Primitives;
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+using System.Windows.Data;
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+using System.Windows.Documents;
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+using System.Windows.Input;
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+using System.Windows.Media;
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+using System.Windows.Media.Imaging;
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+using System.Windows.Navigation;
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+using System.Windows.Shapes;
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+
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+namespace compdfkit_tools.PDFControlUI
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+{
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+ public partial class CPDFBookmarkResultUI : UserControl
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+ {
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+ /// <summary>
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+ /// 书签列表点击选中更改事件
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+ /// </summary>
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+ public event EventHandler<int> SelectionChanged;
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+
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+ /// <summary>
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+ /// 搜索结果列表点击选中事件
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+ /// </summary>
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+ public event EventHandler<BookmarkChangeData> BookmarkChanged;
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+
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+ /// <summary>
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+ /// 书签删除点击事件
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+ /// </summary>
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+ public event EventHandler<BookmarkChangeData> BookmarkDelete;
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+
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+ /// <summary>
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+ /// 点击书签事件
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+ /// </summary>
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+ public event EventHandler<int> BookmarkClicked;
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+
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+ /// <summary>
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+ /// 绑定书签结果集合
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+ /// </summary>
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+ private ObservableCollection<BookmarkBindData> bookmarkResults;
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+
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+ public CPDFBookmarkResultUI()
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+ {
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+ InitializeComponent();
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+ bookmarkResults = new ObservableCollection<BookmarkBindData>();
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+ ICollectionView groupView = CollectionViewSource.GetDefaultView(bookmarkResults);
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+ groupView.GroupDescriptions.Add(new PropertyGroupDescription(nameof(BookmarkBindData.ShowPageIndex)));
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+ }
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+
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+ /// <summary>
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+ /// 鼠标移入事件 用以控制展示右侧编辑删除面板
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+ /// </summary>
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+ private void Grid_MouseEnter(object sender, MouseEventArgs e)
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+ {
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+ Grid sourceGrid=sender as Grid;
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+ if(sourceGrid!=null && sourceGrid.Children.Count==2)
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+ {
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+ Border sourceBorder = sourceGrid.Children[1] as Border;
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+ if(sourceBorder!=null)
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+ {
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+ sourceBorder.Visibility = Visibility.Visible;
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+ }
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+ }
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+ }
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+
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+ /// <summary>
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+ /// 鼠标移出事件 用以控制隐藏右侧编辑 删除面板
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+ /// </summary>
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+ private void Grid_MouseLeave(object sender, MouseEventArgs e)
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+ {
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+ Grid sourceGrid = sender as Grid;
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+ if (sourceGrid != null && sourceGrid.Children.Count == 2)
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+ {
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+ Border sourceBorder = sourceGrid.Children[1] as Border;
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+ if (sourceBorder != null)
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+ {
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+ sourceBorder.Visibility = Visibility.Collapsed;
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+ }
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+ TextBox sourceTextBox = sourceGrid.Children[0] as TextBox;
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+ if (sourceTextBox != null)
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+ {
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+ sourceTextBox.IsReadOnly = true;
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+ sourceTextBox.BorderThickness = new Thickness(0);
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+ sourceTextBox.IsHitTestVisible = false;
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+
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+ BookmarkBindData bindData=sourceGrid.Tag as BookmarkBindData;
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+ if (bindData!=null && IsBookmarkChanged(bindData,sourceTextBox.Text))
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+ {
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+ BookmarkChanged?.Invoke(this, new BookmarkChangeData()
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+ {
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+ PageIndex=bindData.BindProperty.PageIndex,
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+ BookmarkTitle=bindData.BindProperty.BookmarkTitle,
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+ NewTitle=sourceTextBox.Text
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+ });
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+ }
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+ }
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+ }
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+ }
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+
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+ /// <summary>
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+ /// 编辑按钮点击事件 启用书签文本编辑
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+ /// </summary>
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+ private void EditBorder_Click(object sender, RoutedEventArgs e)
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+ {
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+ Border sourceBtn =sender as Border;
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+ if(sourceBtn != null)
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+ {
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+ DependencyObject findElement = null;
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+ if (FindParent<Grid>(sourceBtn, out findElement) && findElement != null)
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+ {
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+ Grid sourceGrid = findElement as Grid;
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+ if (sourceGrid != null && sourceGrid.Children.Count == 2)
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+ {
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+ TextBox sourceTextBox = sourceGrid.Children[0] as TextBox;
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+ if (sourceTextBox != null)
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+ {
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+ sourceTextBox.IsReadOnly=false;
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+ sourceTextBox.IsHitTestVisible = true;
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+ sourceTextBox.BorderThickness=new Thickness(1);
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+ }
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+ }
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+ }
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+ }
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+ e.Handled = true;
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+ }
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+
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+ /// <summary>
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+ /// 删除按钮点击事件 触发删除事件通知
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+ /// </summary>
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+ private void DelBorder_Click(object sender, RoutedEventArgs e)
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+ {
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+ Border sourceBtn = sender as Border;
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+ if (sourceBtn != null)
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+ {
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+ DependencyObject findElement = null;
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+ if (FindParent<Grid>(sourceBtn, out findElement) && findElement != null)
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+ {
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+ Grid sourceGrid = findElement as Grid;
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+ BookmarkBindData bindData = sourceGrid.Tag as BookmarkBindData;
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+ if (bindData != null)
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+ {
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+ BookmarkDelete?.Invoke(this, new BookmarkChangeData()
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+ {
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+ PageIndex = bindData.BindProperty.PageIndex,
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+ BookmarkTitle = bindData.BindProperty.BookmarkTitle
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+ });
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+ bookmarkResults?.Remove(bindData);
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+ }
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+ }
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+ }
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+ e.Handled = true;
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+ }
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+
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+ /// <summary>
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+ /// 递归查询指定类型的父节点元素
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+ /// </summary>
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+ /// <typeparam name="T">父元素节点类型</typeparam>
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+ /// <param name="checkElement">要查找的元素</param>
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+ /// <param name="parent">查找到的父节点元素</param>
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+ /// <returns>查找到对应类型父节点元素则为true</returns>
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+ private bool FindParent<T>(DependencyObject checkElement,out DependencyObject parent)
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+ {
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+ parent = null;
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+
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+ try
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+ {
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+ if (checkElement != null)
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+ {
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+ DependencyObject parentElement= VisualTreeHelper.GetParent(checkElement);
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+ if(parentElement!=null && parentElement is T)
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+ {
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+ parent =parentElement;
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+ return true;
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+ }
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+ return FindParent<T>(parentElement,out parent);
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+ }
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+ }
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+ catch (Exception ex)
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+ {
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+
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+ }
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+ return false;
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+ }
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+
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+ /// <summary>
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+ /// 判断书签文本是否更改
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+ /// </summary>
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+ private bool IsBookmarkChanged(BookmarkBindData bindData,string newTitle)
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+ {
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+ if(bindData!=null &&bindData.BindProperty!=null)
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+ {
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+ return bindData.BindProperty.BookmarkTitle != newTitle;
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+ }
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+
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+ return false;
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+ }
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+
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+ /// <summary>
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+ /// 将书签列表绑定到UI控件
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+ /// </summary>
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+ public void SetBookmarkResult(List<BindBookmarkResult> results)
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+ {
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+ bookmarkResults?.Clear();
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+ if (results == null || results.Count == 0)
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+ {
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+ ResultListControl.ItemsSource = null;
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+ return;
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+ }
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+
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+ foreach (BindBookmarkResult item in results)
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+ {
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+ bookmarkResults.Add(new BookmarkBindData()
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+ {
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+ BindProperty = item
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+ });
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+ }
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+ ResultListControl.ItemsSource = bookmarkResults;
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+ }
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+
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+ /// <summary>
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+ /// 获取选中书签结果
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+ /// </summary>
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+ /// <returns>搜索结果</returns>
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+ public BindBookmarkResult GetSelectItem()
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+ {
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+ BookmarkBindData bindData = ResultListControl.SelectedItem as BookmarkBindData;
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+ if (bindData != null)
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+ {
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+ return bindData.BindProperty;
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+ }
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+
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+ return null;
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+ }
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+
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+ /// <summary>
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+ /// 获取指定索引书签对象
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+ /// </summary>
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+ /// <param name="index">指定索引</param>
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+ /// <returns></returns>
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+ public BindBookmarkResult GetItem(int index)
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+ {
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+ if (index < 0)
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+ {
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+ return null;
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+ }
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+ if (ResultListControl.HasItems && ResultListControl.Items.Count > index)
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+ {
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+ BookmarkBindData bindData = ResultListControl.Items[index] as BookmarkBindData;
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+ if (bindData != null)
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+ {
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+ return bindData.BindProperty;
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+ }
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+ }
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+
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+ return null;
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+ }
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+
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+ /// <summary>
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+ /// 清除选中结果
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+ /// </summary>
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+ public void ClearSelection()
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+ {
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+ int oldSelectionIndex = ResultListControl.SelectedIndex;
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+ ResultListControl.UnselectAll();
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+ if (oldSelectionIndex != ResultListControl.SelectedIndex)
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+ {
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+ SelectionChanged?.Invoke(this,ResultListControl.SelectedIndex);
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+ }
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+ }
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+
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+ /// <summary>
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+ /// 设置选中结果
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+ /// </summary>
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+ /// <param name="selectIndex">选中索引</param>
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+ public void SelectItem(int selectIndex)
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+ {
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+ if (ResultListControl.SelectedIndex != selectIndex)
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+ {
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+ ResultListControl.SelectedIndex = selectIndex;
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+ }
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+ }
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+
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+ /// <summary>
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+ /// 书签列表选中改变事件
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+ /// </summary>
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+ private void ResultListControl_SelectionChanged(object sender, SelectionChangedEventArgs e)
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+ {
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+ SelectionChanged?.Invoke(this, ResultListControl.SelectedIndex);
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+ }
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+
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+ /// <summary>
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+ /// 书签列表点击书签事件
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+ /// </summary>
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+ private void Grid_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
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+ {
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+ Grid sourceGrid = sender as Grid;
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+ if (sourceGrid != null)
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+ {
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+ BookmarkBindData bindData = sourceGrid.Tag as BookmarkBindData;
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+ if (bindData != null)
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+ {
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+ BookmarkClicked?.Invoke(this, bindData.BindProperty.PageIndex);
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+ }
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+ }
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+ }
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+
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+ /// <summary>
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+ /// 点击空白清除选中项
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+ /// </summary>
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+ private void ResultListControl_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
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+ {
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+ ResultListControl?.UnselectAll();
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+ }
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+ }
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+
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+ public class BookmarkChangeData
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+ {
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+ /// <summary>
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+ /// 页面索引
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+ /// </summary>
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+ public int PageIndex { get; set; }
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+ /// <summary>
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+ /// 原书签标题
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+ /// </summary>
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+ public string BookmarkTitle { get; set; }
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+ /// <summary>
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+ /// 修改后的标题
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+ /// </summary>
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+ public string NewTitle { get;set; }
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+ }
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+
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+ public class BindBookmarkResult
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+ {
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+ /// <summary>
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+ /// 页面索引
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+ /// </summary>
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+ public int PageIndex { get; set; }
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+ /// <summary>
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+ /// 书签标题
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+ /// </summary>
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+ public string BookmarkTitle { get; set; }
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+ }
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+
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+ internal class BookmarkBindData
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+ {
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+ public int ShowPageIndex { get { return BindProperty.PageIndex + 1; } set { BindProperty.PageIndex = value; } }
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+ public BindBookmarkResult BindProperty { get; set; }
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+ public BookmarkBindData()
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+ {
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+ BindProperty = new BindBookmarkResult();
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+ }
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+ }
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+}
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