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

		            
  1Using#region Using
  2
  3using System;
  4using System.IO;
  5using System.Web;
  6using System.Text;
  7using System.Web.UI.WebControls;
  8using System.Web.UI.HtmlControls;
  9using BlogEngine.Core;
 10
 11#endregion
 12
 13public partial class admin_Pages_pages : System.Web.UI.Page ...{
 14    protected void Page_Load(object sender, EventArgs e) ...{
 15        base.MaintainScrollPositionOnPostBack = true;
 16
 17        if (!Page.IsPostBack && !Page.IsCallback) ...{
 18            if (!String.IsNullOrEmpty(Request.QueryString["id"]) && Request.QueryString["id"].Length == 36) ...{
 19                Guid id = new Guid(Request.QueryString["id"]);
 20                BindPage(id);
 21                BindParents(id);
 22            } else ...{
 23                BindParents(Guid.Empty);
 24            }
 25
 26            BindPageList();
 27        }
 28
 29        btnSave.Click += new EventHandler(btnSave_Click);
 30        btnSave.Text = Resources.labels.savePage; // mono does not interpret the inline code correctly
 31        btnUploadFile.Click += new EventHandler(btnUploadFile_Click);
 32        btnUploadImage.Click += new EventHandler(btnUploadImage_Click);
 33        Page.Title = Resources.labels.pages;
 34
 35        if (!Utils.IsMono)
 36            Page.Form.DefaultButton = btnSave.UniqueID;
 37    }
 38
 39    private void btnUploadImage_Click(object sender, EventArgs e) ...{
 40        Upload(BlogSettings.Instance.StorageLocation + "files" + Path.DirectorySeparatorChar, txtUploadImage);
 41        string path = System.Web.VirtualPathUtility.ToAbsolute("~/");
 42        string img = string.Format("<img src=\"{0}image.axd?picture={1}\" alt=\"\" />", path, Server.UrlEncode(txtUploadImage.FileName));
 43        txtContent.Text += string.Format(img, txtUploadImage.FileName);
 44    }
 45
 46    private void btnUploadFile_Click(object sender, EventArgs e) ...{
 47        Upload(BlogSettings.Instance.StorageLocation + "files" + Path.DirectorySeparatorChar, txtUploadFile);
 48
 49        string a = "<p><a href=\"{0}file.axd?file={1}\">{2}</a></p>";
 50        string text = txtUploadFile.FileName + " (" + SizeFormat(txtUploadFile.FileBytes.Length, "N") + ")";
 51        txtContent.Text += string.Format(a, Utils.RelativeWebRoot, Server.UrlEncode(txtUploadFile.FileName), text);
 52    }
 53
 54    private void Upload(string virtualFolder, FileUpload control) ...{
 55        string folder = Server.MapPath(virtualFolder);
 56        control.PostedFile.SaveAs(folder + control.FileName);
 57    }
 58
 59    private string SizeFormat(float size, string formatString) ...{
 60        if (size < 1024)
 61            return size.ToString(formatString) + " bytes";
 62
 63        if (size < Math.Pow(1024, 2))
 64            return (size / 1024).ToString(formatString) + " kb";
 65
 66        if (size < Math.Pow(1024, 3))
 67            return (size / Math.Pow(1024, 2)).ToString(formatString) + " mb";
 68
 69        if (size < Math.Pow(1024, 4))
 70            return (size / Math.Pow(1024, 3)).ToString(formatString) + " gb";
 71
 72        return size.ToString(formatString);
 73    }
 74
 75    Event handlers#region Event handlers
 76
 77    private void btnSave_Click(object sender, EventArgs e) ...{
 78        if (!Page.IsValid)
 79            throw new InvalidOperationException("One or more validators are invalid.");
 80
 81        Page page;
 82        if (Request.QueryString["id"] != null)
 83            page = BlogEngine.Core.Page.GetPage(new Guid(Request.QueryString["id"]));
 84        else
 85            page = new Page();
 86
 87        if (string.IsNullOrEmpty(txtContent.Text))
 88            txtContent.Text = "[No text]";
 89
 90        page.Title = txtTitle.Text;
 91        page.Content = txtContent.Text;
 92        page.Description = txtDescription.Text;
 93        page.Keywords = txtKeyword.Text;
 94
 95        if (cbIsFrontPage.Checked) ...{
 96            foreach (Page otherPage in BlogEngine.Core.Page.Pages) ...{
 97                if (otherPage.IsFrontPage) ...{
 98                    otherPage.IsFrontPage = false;
 99                    otherPage.Save();
100                }
101            }
102        }
103
104        page.IsFrontPage = cbIsFrontPage.Checked;
105        page.ShowInList = cbShowInList.Checked;
106        page.IsPublished = cbIsPublished.Checked;
107
108        if (ddlParent.SelectedIndex != 0)
109            page.Parent = new Guid(ddlParent.SelectedValue);
110        else
111            page.Parent = Guid.Empty;
112
113        page.Save();
114
115        Response.Redirect(page.RelativeLink.ToString());
116    }
117
118    #endregion
119
120    Data binding#region Data binding
121
122    private void BindPage(Guid pageId) ...{
123        Page page = BlogEngine.Core.Page.GetPage(pageId);
124        txtTitle.Text = page.Title;
125        txtContent.Text = page.Content;
126        txtDescription.Text = page.Description;
127        txtKeyword.Text = page.Keywords;
128        cbIsFrontPage.Checked = page.IsFrontPage;
129        cbShowInList.Checked = page.ShowInList;
130        cbIsPublished.Checked = page.IsPublished;
131    }
132
133    private void BindParents(Guid pageId) ...{
134        foreach (Page page in BlogEngine.Core.Page.Pages) ...{
135            if (pageId != page.Id)
136                ddlParent.Items.Add(new ListItem(page.Title, page.Id.ToString()));
137        }
138
139        ddlParent.Items.Insert(0, "-- " + Resources.labels.noParent + " --");
140        if (pageId != Guid.Empty) ...{
141            Page parent = BlogEngine.Core.Page.GetPage(pageId);
142            if (parent != null)
143                ddlParent.SelectedValue = parent.Parent.ToString();
144        }
145    }
146
147    private void BindPageList() ...{
148        foreach (Page page in BlogEngine.Core.Page.Pages) ...{
149            HtmlGenericControl li = new HtmlGenericControl("li");
150            HtmlAnchor a = new HtmlAnchor();
151            a.HRef = "?id=" + page.Id.ToString();
152            a.InnerHtml = page.Title;
153
154            System.Web.UI.LiteralControl text = new System.Web.UI.LiteralControl(" (" + page.DateCreated.ToString("yyyy-dd-MM HH:mm") + ")");
155
156            li.Controls.Add(a);
157            li.Controls.Add(text);
158            ulPages.Controls.Add(li);
159        }
160
161        divPages.Visible = true;
162        aPages.InnerHtml = BlogEngine.Core.Page.Pages.Count + " " + Resources.labels.pages;
163    }
164
165    #endregion
166}
167