LunarPresentation/Commands/SaveFileAs.cs

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using System;
using System.IO;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Media.Imaging;
using System.Xml;
using Microsoft.Win32;

namespace SHomeWorkshop.LunarPresentation.Commands
{
    public partial class Command
    {
        /// <summary>
        /// 另存文档。
        /// </summary>
        /// <param name="closeAfterSaveAs">保存后立即关闭文档。</param>
        /// <returns></returns>
        public static bool SaveFileAs()
        {
            if (Globals.selectedEditor == null)
            {
                MessageBox.Show("当前没有文档可以保存！",
                    Globals.appName, MessageBoxButton.OK, MessageBoxImage.Warning);
                return false;
            }

            Editor editor = Globals.selectedEditor;

            return SaveFileAs(editor);
        }

        /// <summary>
        /// 文档另存为。
        /// </summary>
        /// <param name="editor"></param>
        /// <param name="closeIfHasSamename"></param>
        /// <param name="resultFileName">必须传入合法的文件名（全路径）。</param>
        /// <returns></returns>
        public static bool SaveFileAs(Editor editor, bool closeIfHasSamename = true, string resultFileName = null)
        {
            if (resultFileName == null)
            {
                SaveFileDialog sfd = new SaveFileDialog();
                sfd.Title = Globals.appName + "——保存文件：";
                sfd.Filter = Globals.appName +
                    " 文档(*.lpdoc)|*.lpdoc|" + Globals.appName +
                    " 模板文档(*.lptemp)|*.lptemp|Xml文档(*.xml)|*.xml|文本文档(*.txt)|*.txt";
                sfd.FileName = editor.FileNameHeader.Text;

                if (Directory.Exists(Globals.pathofUserDocuments) == false)
                {
                    Directory.CreateDirectory(Globals.pathofUserDocuments);
                }

                sfd.InitialDirectory = Globals.pathofUserDocuments;

                //只有Vista以上版本才支持。
                if (System.Environment.OSVersion.Version.Major >= 6)
                {