kmpdfkit_demo/compdfkit_demo_windows/compdfkit/compdfkit-tools/PDFView/PDFSearch/PDFSearchUI/CPDFSearchInputUI.xaml.cs

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 compdfkit_tools.PDFControlUI
{
    /// <summary>
    /// 搜索输入控件
    /// </summary>
    public partial class CPDFSearchInputUI : UserControl
    {
        /// <summary>
        /// 搜索事件
        /// </summary>
        public event EventHandler<string> SearchEvent;

        /// <summary>
        /// 清除搜索输入
        /// </summary>
        public event EventHandler ClearEvent;

        /// <summary>
        /// 搜索关键词
        /// </summary>
        public string SearchKeyWord
        {
            get
            {
                return SearchTextBox.Text;
            }
            set
            {
                SearchTextBox.Text = value;
            }
        }

        /// <summary>
        /// 搜索输入文本框宽度
        /// </summary>
        public double InputTextBoxWidth
        {
            get
            {
                return SearchTextBox.Width;
            }
            set
            {
                SearchTextBox.Width = value;
            }
        }

        /// <summary>
        /// 搜索输入文本框高度
        /// </summary>
        public double InputTextBoxHeight
        {
            get
            {
                return SearchTextBox.Height;
            }
            set
            {
                SearchTextBox.Height = value;
            }
        }

        public CPDFSearchInputUI()
        {
            InitializeComponent();
        }

        /// <summary>
        /// 输入框回车搜索
        /// </summary>
        private void SearchTextBox_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.Key == Key.Enter && string.IsNullOrEmpty(SearchKeyWord)==false)
            {
                SearchEvent?.Invoke(this, SearchKeyWord);
            }
        }

        /// <summary>
        /// 清除搜索框
        /// </summary>
        private void TextClear_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            SearchKeyWord = string.Empty;
            ClearEvent?.Invoke(this,new EventArgs());
        }

        /// <summary>
        /// 搜索按钮点击
        /// </summary>
        private void SearchBtn_Click(object sender, RoutedEventArgs e)
        {
            if (string.IsNullOrEmpty(SearchKeyWord) == false)
            {
                SearchEvent?.Invoke(this, SearchKeyWord);
            }
        }
    }

}