LunarPresentation/Commands/CopyAsOutLine.cs

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using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Documents;

namespace SHomeWorkshop.LunarPresentation.Commands
{
    public partial class Command
    {
        /// <summary>
        /// 将当前子面板中的所有格式化为“标题”文本块及正文文本块的文本内容复制成富文本块格式的提纲。
        /// </summary>
        public static void CopyAsOutLine()
        {
            if (Globals.selectedEditor == null) return;
            if (Globals.selectedEditor.SelectedExpression == null)
            {
                MessageBox.Show("　　请先选中一个公式来导出提纲。选中普通公式会导出父面板中所有文本块构成的提纲。",
                    Globals.appName, MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }

            LunarPresentation.Expressions.Expression curEx
                = Globals.selectedEditor.SelectedExpression;

            LunarPresentation.Expressions.SubPanel curSubPanel = curEx as LunarPresentation.Expressions.SubPanel;
            if (curSubPanel == null)
            {
                curSubPanel = curEx.ParentPanel;
            }

            if (curSubPanel == null)
            {
                MessageBox.Show("发生意外，未找到要导出提纲的子面板。",
                    Globals.appName, MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }

            Dialogs.OutLineDialog oDlg = new Dialogs.OutLineDialog(Globals.MainWindow);

            if (curSubPanel.Editor.DefaultBackground == Brushes.Black)
            {
                oDlg.MainRTB.Background = Brushes.White;//如果是黑底白字，自动反色。
            }
            else
            {
                oDlg.MainRTB.Background = curSubPanel.Editor.DefaultBackground;
            }

            foreach (Expressions.Expression ex in curSubPanel.BasePanel.Children)
            {
                Expressions.BaseText bt = ex as Expressions.BaseText;
                if (bt == null) continue;

                Paragraph newParagraph;

                string autoNumString = bt.AutoNumString;
                if (autoNumString != null && autoNumString != "")
                {
                    newParagraph = new Paragraph(new Span(new Run(autoNumString + bt.Text)));