当前文件路径：BlogEngine/admin/Pages/Blogroll.aspx.cs

		            
  1Using#region Using
  2
  3using System;
  4using System.IO;
  5using System.Xml;
  6using System.Web.UI.WebControls;
  7using System.Web.UI.HtmlControls;
  8
  9#endregion
 10
 11using BlogEngine.Core;
 12
 13public partial class admin_Pages_blogroll : System.Web.UI.Page
 14...{
 15  protected void Page_Load(object sender, EventArgs e)
 16  ...{
 17    if (!Page.IsPostBack)
 18    ...{
 19      BindSettings();
 20      BindBlogroll();
 21
 22      if (!String.IsNullOrEmpty(Request.QueryString["delete"]))
 23      ...{
 24        DeleteBlog();
 25        Response.Redirect(Request.FilePath, true);
 26      }
 27    }
 28
 29    btnSaveSettings.Text = Resources.labels.save + " " + Resources.labels.settings.ToLowerInvariant();
 30    btnSave.Click += new EventHandler(btnSave_Click);
 31    btnSaveSettings.Click += new EventHandler(btnSaveSettings_Click);
 32
 33    Page.Title = Resources.labels.blogroll;
 34    btnSave.Text = Resources.labels.add;
 35  }
 36
 37  Event handlers#region Event handlers
 38
 39  private void btnSaveSettings_Click(object sender, EventArgs e)
 40  ...{
 41    BlogSettings.Instance.BlogrollMaxLength = int.Parse(txtMaxLength.Text);
 42    BlogSettings.Instance.BlogrollVisiblePosts = int.Parse(ddlVisiblePosts.SelectedValue);
 43    BlogSettings.Instance.BlogrollUpdateMinutes = int.Parse(txtUpdateFrequency.Text);
 44    BlogSettings.Instance.Save();
 45    Response.Redirect(Request.FilePath, true);
 46  }
 47
 48  private void btnSave_Click(object sender, EventArgs e)
 49  ...{
 50    AddBlog();
 51    Response.Redirect(Request.FilePath, true);
 52  }
 53
 54  #endregion
 55
 56  Methods#region Methods
 57
 58  private void BindBlogroll()
 59  ...{
 60    string fileName = Server.MapPath(BlogSettings.Instance.StorageLocation)  + "blogroll.xml";
 61    if (File.Exists(fileName))
 62    ...{
 63      XmlDocument doc = new XmlDocument();
 64      doc.Load(fileName);
 65
 66      rep.DataSource = doc.SelectNodes("opml/body/outline");
 67      rep.DataBind();
 68    }
 69  }
 70
 71  private void AddBlog()
 72  ...{
 73    string fileName = Server.MapPath(BlogSettings.Instance.StorageLocation) + "blogroll.xml";
 74    if (File.Exists(fileName))
 75    ...{
 76      XmlDocument doc = new XmlDocument();
 77      doc.Load(fileName);
 78
 79      XmlElement element = doc.CreateElement("outline");
 80
 81      XmlAttribute title = doc.CreateAttribute("title");
 82      title.InnerText = txtTitle.Text.Replace("\"", "'");
 83      element.Attributes.Append(title);
 84
 85      XmlAttribute desc = doc.CreateAttribute("description");
 86      desc.InnerText = txtDescription.Text;
 87      element.Attributes.Append(desc);
 88
 89      XmlAttribute xfn = doc.CreateAttribute("xfn");
 90      foreach (ListItem item in cblXfn.Items)
 91      ...{
 92        if (item.Selected)
 93          xfn.InnerText += item.Text + " ";
 94      }
 95
 96      if (xfn.InnerText.Length > 0)
 97      ...{
 98        xfn.InnerText = xfn.InnerText.Substring(0, xfn.InnerText.Length - 1);        
 99      }
100
101      element.Attributes.Append(xfn);
102
103            if (!txtFeedUrl.Text.Contains("://"))
104                txtFeedUrl.Text = "http://" + txtFeedUrl.Text;
105
106      XmlAttribute feed = doc.CreateAttribute("xmlUrl");
107      feed.InnerText = txtFeedUrl.Text;
108      element.Attributes.Append(feed);
109
110            if (!txtWebUrl.Text.Contains("://"))
111                txtWebUrl.Text = "http://" + txtWebUrl.Text;
112
113      XmlAttribute web = doc.CreateAttribute("htmlUrl");
114      web.InnerText = txtWebUrl.Text;
115      element.Attributes.Append(web);
116
117      XmlNode body = doc.SelectSingleNode("opml/body");
118      body.AppendChild(element);
119      doc.Save(fileName);
120      Updater.UpdateBlogroll();
121    }
122  }
123
124  private void BindSettings()
125  ...{
126    txtMaxLength.Text = BlogSettings.Instance.BlogrollMaxLength.ToString();
127    ddlVisiblePosts.SelectedIndex = BlogSettings.Instance.BlogrollVisiblePosts;
128    txtUpdateFrequency.Text = BlogSettings.Instance.BlogrollUpdateMinutes.ToString();
129  }
130
131  private void DeleteBlog()
132  ...{
133    string title = Request.QueryString["delete"];
134    string fileName = Server.MapPath(BlogSettings.Instance.StorageLocation) + "blogroll.xml";
135    if (File.Exists(fileName))
136    ...{
137      XmlDocument doc = new XmlDocument();
138      doc.Load(fileName);
139
140      XmlNode parent = doc.SelectSingleNode("opml/body");
141      XmlNode child = doc.SelectSingleNode("opml/body/outline[@title=\"" + title + "\"]");
142      parent.RemoveChild(child);
143      doc.Save(fileName);
144      Updater.UpdateBlogroll();
145    }    
146  }
147
148  #endregion
149
150}
151