Csharp:TinyMCE HTML Editor in .NET WindowsForms 

  1  /// <summary>
  2     /// 
  3     /// </summary>
  4     public partial class Form2 : Form
  5     {
  6  
  7         private mshtml.IHTMLDocument2 hc;
  8         private mshtml.HTMLDocument hc1;
  9         //subdir in ApplicationData Folder, change whatever you think
 10         private const string M_WORKPATH = "someMCEenabledFolder";
 11         //easilly navigate into resources
 12         private const string M_RESOURCE = "WF_tinyMCE";
 13         /// <summary>
 14         /// 
 15         /// </summary>
 16         public override string Text
 17         {
 18             get
 19             {
 20                 return m_text;
 21             }
 22             set
 23             {
 24                 m_text = value;
 25             }
 26         }
 27         /// <summary>
 28         /// 
 29         /// </summary>
 30         /// <param name="source"></param>
 31         /// <param name="target"></param>
 32         public void CopyFile(Stream source, Stream target)
 33         {
 34             byte[] buffer = new byte[0x10000];
 35             int bytes;
 36             try
 37             {
 38                 while ((bytes = source.Read(buffer, 0, buffer.Length)) > 0)
 39                 {
 40                     target.Write(buffer, 0, bytes);
 41                 }
 42             }
 43             finally
 44             {
 45                 target.Close();
 46             }
 47         }
 48 
 49         /// <summary>
 50         /// Get the correct internal path where tinyMCE and work file will be stored
 51         /// </summary>
 52         /// <param name="subPath"></param>
 53         /// <returns></returns>
 54         private string getWorkPath(string subPath)
 55         {
 56             string AppFolder = System.Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
 57             return System.IO.Path.Combine(AppFolder, M_WORKPATH + "\\" + subPath);
 58         }
 59 
 60         private string m_strMCEDir = "";
 61         private string m_strMCESettings = "";
 62         /// <summary>
 63         /// Prepare tinyMCE package
 64         /// </summary>
 65         public void PrepareTinyMCE()
 66         {
 67             string sCpy = getWorkPath("tinyMCE.zip");
 68             m_strMCEDir = getWorkPath("tinyMCE");
 69             m_strMCESettings = getWorkPath("tinyMCE.txt");
 70             if (!Directory.Exists(getWorkPath("")))
 71             {
 72                 Directory.CreateDirectory(getWorkPath(""));
 73             }
 74 
 75             string sMCE = "tinyMCE\\tinyMCE\\jscripts\\tiny_mce";
 76             if (!Directory.Exists(m_strMCEDir) || !File.Exists(getWorkPath(sMCE) + "\\tiny_mce.js"))
 77             {
 78                 string sMce = M_RESOURCE + ".resources.tinyMCE.zip";
 79                 Stream strFile = GetResourceFile(sMce);
 80                 FileStream fs = new FileStream(sCpy, FileMode.OpenOrCreate);
 81                 CopyFile(strFile, fs);
 82                 strFile.Close();
 83 
 84                 Directory.CreateDirectory(m_strMCEDir);
 85                 FastZip fz = new FastZip();
 86                 fz.ExtractZip(sCpy, m_strMCEDir, FastZip.Overwrite.Never, null, null, null);
 87                 File.Delete(sCpy);
 88             }
 89             //settings 
 90             {
 91                 string sMce = M_RESOURCE + ".resources.tinyMCE.txt";
 92                 Stream strFile = GetResourceFile(sMce);
 93                 StreamReader sr = new StreamReader(strFile);
 94                 m_strMCESettings = sr.ReadToEnd();
 95                 sr.Close();
 96             }
 97             m_strMCEDir = sMCE;
 98         }
 99         /// <summary>
100         /// 
101         /// </summary>
102         /// <param name="File"></param>
103         /// <returns></returns>
104         public Stream GetResourceFile(string File)
105         {
106             if (File == null || File == "")
107                 return null;
108             try
109             {
110                 return this.GetType().Assembly.GetManifestResourceStream(File);
111             }
112             catch (Exception)
113             {
114                 return null;
115             }
116         }
117         /// <summary>
118         /// 
119         /// </summary>
120         public void doInit()
121         {
122             object empty = System.Reflection.Missing.Value;
123             //mshtml.IHTMLDocument doc2 =webBrowser1.Document;
124             //IHTMLDocument2 doc = (mshtml.IHTMLDocument2)webBrowser1.Document;
125             //webBrowser1.Document.Write("<html><body></body></html>");
126             //webBrowser1.Document.Body.innerHTML = "";//
127             //this.webBrowser1.Navigate("about:blank", ref empty, ref empty, ref empty, ref empty);
128             this.webBrowser1.Navigate("about:blank");
129             hc = (mshtml.IHTMLDocument2)webBrowser1.Document.DomDocument;//(mshtml.IHTMLDocument2)
130 
131         }
132 
133         private string m_text = "", m_type = "", m_css = "";
134         /// <summary>
135         /// 
136         /// </summary>
137         /// <param name="Text"></param>
138         public void ShowText(string Text)
139         {
140             m_text = Text;
141             showText(false);
142             this.Show();
143             //this.Dispose();
144         }
145         /// <summary>
146         /// 
147         /// </summary>
148         /// <param name="Text"></param>
149         /// <param name="Type"></param>
150         /// <param name="CSSFile"></param>
151         /// <returns></returns>
152         public string EditText(string Text, string Type, string CSSFile)
153         {
154             m_text = Text;
155             m_type = Type;
156             m_css = CSSFile;
157             PrepareTinyMCE();
158             showText(true);
159             this.ShowDialog();
160             m_text = ((mshtml.IHTMLDocument3)webBrowser1.Document.DomDocument).getElementById("elm1").innerText;
161             return m_text;
162             //this.Dispose();
163         }
164 
165         /// <summary>
166         /// 
167         /// </summary>
168         /// <param name="edit"></param>
169         private void showText(bool edit)
170         {
171             StringBuilder sb = new StringBuilder();
172             sb.AppendLine("<HTML><HEAD><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" content=\"no-cache\">");
173             if (edit && !string.IsNullOrEmpty(m_strMCESettings))
174             {
175                 sb.Append("<script type=\"text/javascript\" src=\"");
176                 sb.Append(this.m_strMCEDir.Replace('\\', '/')); //IE compatible
177                 sb.AppendLine("/tiny_mce.js\">");
178                 sb.AppendLine("</script>");
179                 sb.AppendLine(this.m_strMCESettings);
180                 sb.AppendLine("</HEAD><BODY><FONT FACE=\"Arial\" SIZE=\"-1\">");
181                 sb.AppendLine("<form method=\"\" action=\"\" onsubmit=\"return false;\">");
182                 sb.AppendLine("<textarea id=\"elm1\" name=\"elm1\" style=\"width: 100%;height:100%\">");
183             }
184             else
185             {
186                 sb.AppendLine("</HEAD><BODY><FONT FACE=\"Arial\" SIZE=\"-1\">");
187             }
188             sb.AppendLine(m_text);
189             if (edit && !string.IsNullOrEmpty(m_strMCESettings))
190             {
191                 sb.AppendLine("</textarea>");
192             }
193             sb.AppendLine("</FONT></BODY></HTML>");
194 
195             //get CSS to local folder
196             if (File.Exists(m_css))
197             {
198                 File.Copy(m_css, getWorkPath(m_type + ".css"), true);
199                 m_css = m_type + ".css";
200             }
201             string t = sb.Replace("[CSS]", m_css).ToString();
202             string sDoc = getWorkPath(m_type + ".html");
203             StreamWriter sw = new StreamWriter(sDoc, false, System.Text.Encoding.GetEncoding(65001));
204             sw.Write(t);
205             sw.Close();
206             try
207             {
208                 this.webBrowser1.Navigate(sDoc);
209             }
210             catch (Exception e)
211             {
212                 string s = e.Message;
213             }
214         }
215         /// <summary>
216         /// 
217         /// </summary>
218         public Form2()
219         {
220             InitializeComponent();
221 
222             doInit();
223         }
224         /// <summary>
225         /// 
226         /// </summary>
227         /// <param name="sender"></param>
228         /// <param name="e"></param>
229         private void Form2_Load(object sender, EventArgs e)
230         {
231             //EditText("tinyMCE涂聚文 intergrated into .NET."
232             //+"A bit uncomfortable way through IE."
233             //+"But if you manage it good, you can use it for free."
234             //+"Don't forget to press save in MCE toolbar."
235             //+ "", "tempfilename", "yourCSS.css");
236 
237         }
238         /// <summary>
239         /// 
240         /// </summary>
241         /// <param name="sender"></param>
242         /// <param name="e"></param>
243         private void button1_Click(object sender, EventArgs e)
244         {
245            // MessageBox.Show(webBrowser1.Document.DomDocument.ToString());
246             string s = this.webBrowser1.Document.Body.InnerHtml;
247             string ss = this.webBrowser1.Document.Body.InnerText;
248             System.Windows.Forms.HtmlDocument document = this.webBrowser1.Document;
249 
250             //if (document != null && document.All["elm1"] != null && String.IsNullOrEmpty(document.All["elm1"].GetAttribute("value")))
251             //{
252             System.Windows.Forms.MessageBox.Show(document.All["elm1"].TagName.ToString());
253             System.Windows.Forms.MessageBox.Show(document.All["elm1"].OuterHtml);
254             //System.Windows.Forms.MessageBox.Show(document.All["elm1"].DomElement.ToString());
255             System.Windows.Forms.MessageBox.Show(document.All["elm1"].InnerText);
256 
257             System.Windows.Forms.MessageBox.Show(webBrowser1.Document.GetElementsByTagName("textarea")[0].TagName);
258            // System.Windows.Forms.MessageBox.Show(document.All["elm1"].GetAttribute("value"));
259             //}
260 
261            //MessageBox.Show(webBrowser1.DocumentText);//
262 
263             HtmlElement textArea = webBrowser1.Document.All["elm1"];
264 
265             HtmlElementCollection elements = webBrowser1.Document.GetElementsByTagName("textarea");
266             foreach (HtmlElement element in elements)
267             {
268                 if (element.InnerHtml.Contains("Rich text editor"))
269                 {
270                     // do something
271                 }
272             }
273         }

 

posted @ 2013-06-28 16:28  ®Geovin Du Dream Park™  阅读(1376)  评论(0)  编辑  收藏  举报