htmleditordesigner.cs

一个超强的在线WORD汉化版ASP程序5...

using System;
using System.ComponentModel;
using System.Diagnostics;
using System.Web.UI;
using System.Web;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Resources;
using System.Collections;
using System.Collections.Specialized;
using System.Text;
using System.Text.RegularExpressions;
using System.Drawing;
namespace Lion.Data.Library.HtmlEditor
{
	/// <summary>
	/// <see cref="HtmlEditor"/> 服务器控件设计器。
	/// </summary>
	internal class HtmlEditorDesigner : System.Web.UI.Design.ControlDesigner 
	{

		/// <summary>
		/// 初始化 <see cref="HtmlEditor"/> 的新实例
		/// </summary>
		public HtmlEditorDesigner() {}

		private HtmlEditor ftb = null;

		/// <summary>
		/// 使设计器准备查看、编辑和设计指定的组件
		/// </summary>
		/// <param name="component">此设计器的组件</param>
		public override void Initialize(IComponent component) 
		{
			ftb = (HtmlEditor)component;
			base.Initialize(component);
		}

		/// <summary>
		/// 获取用于在设计时表示关联控件的 HTML。
		/// </summary>
		/// <returns>用于在设计时表示控件的 HTML。</returns>
		public override string GetDesignTimeHtml() 
		{
			System.IO.StringWriter sw = new System.IO.StringWriter();

			HtmlTextWriter htw = new HtmlTextWriter(sw);
			HtmlTable t = new HtmlTable();
			t.CellPadding = 3;
			t.CellSpacing = 1;
			t.BorderColor = ColorTranslator.ToHtml(System.Drawing.Color.Black);
			t.BgColor = ColorTranslator.ToHtml(ftb.BackColor);			
			t.Width = "550";
			t.Height = "350";
			HtmlTableRow tr = new HtmlTableRow();
			HtmlTableCell td = new HtmlTableCell();
			td.VAlign = "top";
			td.Align = "center";
			
			// inner table for iframe
			HtmlTable iframe = new HtmlTable();
			iframe.BgColor = "#FFFFFF";
			iframe.Width="100%";
			iframe.Height="100%";
			iframe.CellPadding = 0;
			iframe.CellSpacing = 0;
			iframe.Style.Add("border","1 solid " + ColorTranslator.ToHtml(System.Drawing.Color.Black));
			HtmlTableRow tr2 = new HtmlTableRow();
			HtmlTableCell td2 = new HtmlTableCell();
			td2.VAlign = "middle";
			td2.Align = "center";
			td2.Controls.Add(new LiteralControl("<b><font face=arial size=2><font color=green>Lion.Data.Library.HtmlEdit</font>:</b> " + ftb.ID + "</font>"));
			tr2.Cells.Add(td2);
			iframe.Rows.Add(tr2);

			td.Controls.Add(iframe);
			td.Controls.Add(new LiteralControl("<br><br><br>"));
			tr.Cells.Add(td);
			t.Rows.Add(tr);
			t.RenderControl(htw);
			return sw.ToString();
		}

		/// <summary>
		/// 获取在呈现控件时遇到错误后在设计时为指定的异常显示的 HTML。
		/// </summary>
		/// <param name="e">要为其显示错误信息的异常。</param>
		/// <returns>设计时为指定的异常显示的 HTML。</returns>
		protected override string GetErrorDesignTimeHtml(Exception e)
		{
			string errorstr="创建控件时出错！"+e.Message;
			return CreatePlaceHolderDesignTimeHtml(errorstr);
		}
	}
}