ASP.NET Issues: Picasa Integration In ASP.NET Part2

June 12, 2011

Picasa Integration In ASP.NET Part2

Read Below post first where I am integrating an album from a picasa gallery
http://www.dotnetissues.com/2011/02/picasa-integration-in-aspnet-part1.html

Now Below are the changes I made to read all the albums from the gallery instead of just one.

gallery.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="gallery.aspx.cs" Inherits="gallery"

   Theme="Main" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
   <title>Picasa Web Integration</title>
   <link rel="stylesheet" href="css/vlightbox1.css" type="text/css" />
   <link rel="stylesheet" href="css/global.css" type="text/css" />
<link rel="stylesheet" href="css/visuallightbox.css" type="text/css" media="screen" />
   <script src="js/jquery.min.js" type="text/javascript"></script>
   <script src="js/visuallightbox.js" type="text/javascript"></script>
   <script src="js/vlbdata.js" type="text/javascript"></script>
</head>
<body>
   <form id="form1" runat="server">
    <div class="maincontent" runat ="server" id="MainDIV">
   </form>
</body>
</html>

gallery.aspx.cs

using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

public partial class gallery : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

if (Request.QueryString["reset"] == "y")

PhotoManager.Reset();

}

protected void Page_PreRenderComplete(object sender, EventArgs e)

{

////Code For Multiple Albums USe NewPhotoManager

string[] m_Photos;

string[] m_Original_Photos;

Albums m_Albums = NewPhotoManager.GetAlbums();

int albumCount = 0;

foreach (Album alb in m_Albums)

{

albumCount++;

Label lbl = new Label();

lbl.Text = alb.Summary;

//MainDIV.Controls.Add(lbl);

System.Web.UI.HtmlControls.HtmlGenericControl h4Tag =

new System.Web.UI.HtmlControls.HtmlGenericControl("h4");

//h4Tag.Attributes.Add("style", "float:left;");

h4Tag.InnerText = lbl.Text;

MainDIV.Controls.Add(h4Tag);

System.Web.UI.HtmlControls.HtmlGenericControl ulTag =

new System.Web.UI.HtmlControls.HtmlGenericControl("ul");

ulTag.Attributes.Add("class", "portfolio-4col");

ulTag.Attributes.Add("id", "UnOList"+albumCount);

//ulTag.Attributes.Add("style", "float:left;");

m_Photos = NewPhotoManager.GetPhotos(alb.Title);

m_Original_Photos = NewPhotoManager.GetOriginalPhotos();

for (int i = 0; i < m_Photos.Length; i++)

{

System.Web.UI.HtmlControls.HtmlGenericControl liList =

new System.Web.UI.HtmlControls.HtmlGenericControl("li");

/////////////////////

System.Web.UI.HtmlControls.HtmlGenericControl dynDiv1 =

new System.Web.UI.HtmlControls.HtmlGenericControl("DIV");

dynDiv1.Attributes.Add("class", "portfolio-blockimg3");

System.Web.UI.HtmlControls.HtmlGenericControl dynDiv2 =

new System.Web.UI.HtmlControls.HtmlGenericControl("DIV");

dynDiv2.Attributes.Add("class", "portfolio-imgbox3");

System.Web.UI.HtmlControls.HtmlGenericControl dynDiv3 =

new System.Web.UI.HtmlControls.HtmlGenericControl("DIV");

dynDiv3.Attributes.Add("class", "zoom");

HyperLink hp = new HyperLink();

Image img = new Image();

img.ImageUrl = m_Photos[i];

img.Height = new Unit (86);

img.Width = new Unit(147);

//hp.Attributes.Add("style", "z-index:100000000;");

img.CssClass = "boximg-pad fade";

hp.Controls.Add(img);

hp.NavigateUrl = m_Original_Photos[i];

hp.Controls.Add(img);

hp.Attributes.Add("rel", "prettyPhoto[portfolio]");

dynDiv3.Controls.Add(hp);

dynDiv2.Controls.Add(dynDiv3);

dynDiv1.Controls.Add(dynDiv2);

liList.Controls.Add(dynDiv1);

ulTag.Controls.Add(liList);

}

MainDIV.Controls.Add(ulTag);

System.Web.UI.HtmlControls.HtmlGenericControl spacerDiv = new System.Web.UI.HtmlControls.HtmlGenericControl("div");

spacerDiv.Attributes.Add("class", "spacer");

MainDIV.Controls.Add(spacerDiv);

}

NewPhotoManager.cs

using System;

using System.Collections;

using System.Collections.Generic;

using System.Configuration;

using System.Data;

using System.Data.SqlClient;

using System.Drawing;

using System.Drawing.Drawing2D;

using System.Drawing.Imaging;

using System.IO;

using System.Web;

using Google.GData.Photos;

using System.Web.Security;

/// <summary>

/// Summary description for NewPhotoManager

/// </summary>

public class NewPhotoManager

{

private static Albums m_albums;

private static PicasaService m_picasaService;

private static String[] myImages;

private static String[] myThumnailsImages;

public static PicasaService PicasaService

{

get

{

if (m_picasaService == null)

m_picasaService = new PicasaService("PhotoBrowser");

return m_picasaService;

}

public static bool TryGetAlbum(string id, out Album album)

{

if (m_albums == null)

InitializeAlbums();

return m_albums.TryGetItem(id, out album);

}

public static Albums GetAlbums()

{

//if (m_albums == null)

InitializeAlbums();

return m_albums;

}

public static void Reset()

{

InitializeAlbums();

}

private static void InitializeAlbums()

{

m_albums = new Albums();

AlbumQuery albumQuery = new AlbumQuery();

albumQuery.Uri = new Uri(PicasaQuery.CreatePicasaUri(ConfigurationManager.AppSettings.Get("PicasaWebUserId")));

albumQuery.Access = PicasaQuery.AccessLevel.AccessPublic;

//Below Code Can be used if you want all the albums

PicasaFeed feed1 = PicasaService.Query(albumQuery);

if (feed1 != null && feed1.Entries.Count > 0)

{

foreach (PicasaEntry entry in feed1.Entries)

{

Album album = new Album();

album.Title = entry.Title.Text;

album.Summary = entry.Summary.Text.Replace("\r\n", "<br/>");

album.FeedUri = entry.FeedUri;

album.ThumbnailUrl = entry.Media.Thumbnails[0].Attributes["url"].ToString();

album.NumberOfPhotos = ((GPhotoNumPhotos)entry.ExtensionElements[5]).IntegerValue;

m_albums.Add(album);

}

//Return Thumbnail Images

public static String[] GetPhotos(String Album_Name)

{

/////////////////////////

PhotoQuery query = new PhotoQuery(PicasaQuery.CreatePicasaUri("YOUR PICASAUSERID", Album_Name));

query.Access = PicasaQuery.AccessLevel.AccessPublic;

PicasaFeed feed = PicasaService.Query(query);

myImages = new String[feed.Entries.Count];

myThumnailsImages = new String[feed.Entries.Count];

int i = 0;

foreach (PicasaEntry entry in feed.Entries)

{

//Console.WriteLine(entry.Title.Text);

//PhotoAccessor ac = new PhotoAccessor(entry);

String url = entry.Content.AbsoluteUri;

myImages[i] = url;

String thumbUrl = entry.Media.Thumbnails[0].Attributes["url"].ToString();

myThumnailsImages[i] = thumbUrl;

i++;

}

return myThumnailsImages;

}

//Return Original Images

public static String[] GetOriginalPhotos()

{

return myImages;

}

Albums.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using Google.GData.Photos;
using System.Collections.ObjectModel;

public class Albums: KeyedCollection<string, Album>
   {
   protected override string GetKeyForItem(Album item)
   {
   return item.FeedUri;
   }

   public bool TryGetItem(string feedUri, out Album matchingAlbum)
   {
   matchingAlbum = null;
   if (Dictionary != null && Dictionary.TryGetValue(feedUri, out matchingAlbum))
   return true;
   else
   return false;
   }
   }

Album.CS
using System.Collections.Generic;

using System;
public class Album
   {
   private string m_feedUri;
   private string m_title;
   private string m_summary;
   private string m_thumbnailUrl;
   private int m_count;

   public string Title
   {
   get { return m_title; }
   set { m_title = value; }
   }

   public string FeedUri
   {
   get { return m_feedUri; }
   set { m_feedUri = value; }
   }

   public string ThumbnailUrl
   {
   get { return m_thumbnailUrl; }
   set { m_thumbnailUrl = value; }
   }

   public string Summary
   {
   get
   {
   return m_summary;
   }
   set
   {
   m_summary = value;
   }
   }

   public int NumberOfPhotos
   {
   get
   {
   return m_count;
   }
   set
   {
   m_count = value;
   }
   }
   }

add below in web.config file

web.config

</appSettings>

IMPORTANT POINT: Don't put spaces in AlbumName

ASP.NET Issues

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June 12, 2011

Picasa Integration In ASP.NET Part2

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