Revit.Plugln/FWindSoft/FWindSoft.Revit/Extension/TextNodeExtension.cs

using Autodesk.Revit.DB;
using FWindSoft.Revit.Common;
using FWindSoft.SystemExtensions;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FWindSoft.Revit
{
    public static class TextNodeExtension
    {
        /*
         * 操作TextNode时，要注意考虑缩放系数
         */
        /// <summary>
        /// 视图中的文字
        /// </summary>
        /// <param name="view"></param>
        /// <returns></returns>
        public static List<TextNote> GetTextNotes(this View view)
        {
            return null;// view.GetViewElements(ElementFilters.TextNote).ToListExt<TextNote>();
        }

        /// <summary>
        /// 项目中的文字 
        /// </summary>
        /// <param name="doc"></param>
        /// <returns></returns>
        public static List<TextNote> GetTextNotes(this Document doc)
        {
            return doc.GetElements<TextNote>();
        }
        /// <summary>
        /// 获取项目中NoteType全集
        /// </summary>
        /// <param name="doc"></param>
        /// <returns></returns>
        public static List<TextNoteType> GetTextNoteTypes(this Document doc)
        {
            return doc.GetElements<TextNoteType>();
        }
        /// <summary>
        /// 获取系统默认使用NodtType
        /// </summary>
        /// <param name="doc"></param>
        /// <returns></returns>
        public static TextNoteType GetDefaultNodeType(this Document doc)
        {
            return doc.GetTextNodeType("仿宋", 3, 0.7);
        }
        /// <summary>
        /// 获取TextNodeType
        /// </summary>
        /// <param name="doc"></param>
        /// <param name="font"></param>
        /// <param name="fontHeight"></param>
        /// <param name="widthRatio"></param>
        /// <returns></returns>
        public static TextNoteType GetTextNodeType(this Document doc, string font, double fontHeight,
            double widthRatio)
        {
            List<TextNoteType> types = doc.GetTextNoteTypes();
            TextNoteType useType = null;
            var typeName = string.Format("{0} {1}*{2}", font, fontHeight, widthRatio );
            if (types.Count > 0)
            {
                typeName = RevitTools.RemoveForbiddenChars(typeName);
                useType = types.FirstOrDefault(t => t.Name == typeName);
                if (useType == null)
                {
                    useType = types[0].DuplicateT<TextNoteType>(typeName);
                    useType.SetParameter(BuiltInParameter.TEXT_WIDTH_SCALE, widthRatio);
                    useType.SetParameter(BuiltInParameter.TEXT_SIZE, fontHeight.MmToFt());
                    useType.SetParameter(BuiltInParameter.TEXT_FONT, font);
                    useType.SetParameter(BuiltInParameter.TEXT_BACKGROUND, 1);
                    useType.SetParameter(BuiltInParameter.LEADER_OFFSET_SHEET, 0.0);
                }
            }
            return useType;
        }
  
     /// <summary>
     /// 试图创建新的TextNode
     /// </summary>
     /// <param name="view"></param>
     /// <param name="typeId"></param>
     /// <param name="position"></param>
     /// <param name="text"></param>
     /// <param name="angle"></param>
     /// <returns></returns>
        public static TextNote NewTextNote(this View view, ElementId typeId, XYZ position, string text, 
            double angle = 0)
        {
            TextNoteOptions options = new TextNoteOptions
            {
                TypeId = typeId,
                Rotation = angle
            };
            return TextNote.Create(view.Document, view.Id, position, text, options);
        }
        /// <summary>
        /// 试图创建新的TextNode
        /// </summary>
        /// <param name="view"></param>
        /// <param name="typeId"></param>
        /// <param name="position"></param>
        /// <param name="text"></param>
        /// <param name="angle"></param>
        /// <returns></returns>
        public static TextNote NewTextNote(this View view, ElementId typeId, XYZ position, string text, double width,
            TextAlignFlags textAlign,double angle = 0)
        {
            TextNoteOptions options = new TextNoteOptions
            {
                TypeId = typeId,
                Rotation = angle
            };
            TextNote note;
            if (width.IsZero())
            {
                note = TextNote.Create(view.Document, view.Id, position, text, options);
            }
            else
            {
                note = TextNote.Create(view.Document, view.Id, position, width, text, options);
            }
            note?.SetParameter(BuiltInParameter.TEXT_ALIGN_HORZ, (int)textAlign);
            return note;
        }
    }
}