PDFOffice_Windows_exe/PDF Office/ViewModels/Form/TextFieldPropertyViewModel.cs

using ComPDFKitViewer.AnnotEvent;
using ComPDFKitViewer.PdfViewer;
using PDF_Office.Model;
using Prism.Mvvm;
using Prism.Regions;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media;

namespace PDF_Office.ViewModels.Form
{
    public class TextFieldPropertyViewModel : FormBaseVM, INavigationAware
    {
        #region 属性


        #region 选项
        //默认值
        private string _defaultValue;
        public string DefaultValue
        {
            get { return _defaultValue; }
            set { SetProperty(ref _defaultValue, value); }
        }

        //多行
        private bool _isMultiline = false;
        public bool IsMultiline
        {
            get { return _isMultiline; }
            set { SetProperty(ref _isMultiline, value); }
        }

        //滚动显示长文本
        private bool _isScrollText = false;
        public bool IsScrollText
        {
            get { return _isScrollText; }
            set { SetProperty(ref _isScrollText, value); }
        }

        #endregion

        #endregion

        #region Command

        #endregion

        #region 变量
        private CPDFViewer PDFViewer;
        private WidgetTextBoxArgs textBoxArgs;
        #endregion

        #region 初始化
        public TextFieldPropertyViewModel()
        {
            InitVariable();
            InitCommand();
        }

        private void InitVariable()
        {

        }

        private void InitCommand()
        {

        }

        #endregion


        #region 一般处理

        #endregion

        #region 外观处理

        #endregion

        #region 选项处理

        #endregion

        #region Navegation
        public bool IsNavigationTarget(NavigationContext navigationContext)
        {
            return true;
        }

        public void OnNavigatedFrom(NavigationContext navigationContext)
        {
            textBoxArgs = null;
        }

        public void OnNavigatedTo(NavigationContext navigationContext)
        {
            navigationContext.Parameters.TryGetValue<CPDFViewer>(ParameterNames.PDFViewer, out PDFViewer);
            navigationContext.Parameters.TryGetValue<WidgetTextBoxArgs>("WidgetArgs", out textBoxArgs);
           
            GetWidgeText();
        }

        private void GetWidgeText()
        {
            if (textBoxArgs == null)
            {
                WidgetTextBoxArgs textArgs = new WidgetTextBoxArgs();
                textArgs.BgColor = Colors.Transparent;
                textArgs.FontSize = 12;
                textArgs.FontFamily = "Courier New";
                textArgs.FontColor = Colors.Black;
                textArgs.FieldName = "TextBox";
                textBoxArgs = textArgs;
            }

            PDFViewer.SetMouseMode(MouseModes.FormEditTool); 
            PDFViewer.SetToolParam(textBoxArgs);
        }

       
        #endregion
    }
}