addphoto.cs

一个ASP.NET下的中文内容管理和社区系统

namespace ASPNET.StarterKit.Communities.PhotoGallery {

    using System;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using System.Web.UI.HtmlControls;
    using ASPNET.StarterKit.Communities;


    //*********************************************************************
    //
    // AddPhoto Class
    //
    // Represents the Add Photo page. Enables users to list new photos.
    //
    //*********************************************************************

    public class AddPhoto : ContentAddPage {
    
        string _skinFileName = "PhotoGallery_AddPhoto.ascx";
        string _sectionContent = "ASPNET.StarterKit.Communities.PhotoGallery.PhotoGallerySection";

 
 		HtmlInputFile txtPhotoFile;
		TextBox txtPhotoTitle;
		TextBox txtPhotoBriefDescription;
        HtmlTextBox txtPhotoFullDescription;
		TopicPicker dropTopics;
        DisplayPhotoImage imgPhoto;

        //*********************************************************************
        //
        // SkinLoadPhoto
        //
        // The skin load event happens after a page skin has been loaded.
        // Here, we grab the necessary controls from the page skin.
        //
        //*********************************************************************
        void SkinLoadPhoto(Object s, SkinLoadEventArgs e) {
			// Find the Form so that we can change the EncType of the post.
			HtmlForm form = (HtmlForm)Page.FindControl("PageForm");
			form.Enctype="multipart/form-data";

            // Find TopicPicker control
            dropTopics = (TopicPicker)GetControl(e.Skin, "dropTopics");
				
			// find the  controls
			txtPhotoFile = (HtmlInputFile) GetControl (e.Skin, "txtPhotoFile");
			txtPhotoTitle = (TextBox) GetControl(e.Skin,"txtPhotoTitle");
			txtPhotoBriefDescription = (TextBox) GetControl (e.Skin, "txtPhotoBriefDescription");
            txtPhotoFullDescription = (HtmlTextBox)GetControl(e.Skin, "txtPhotoFullDescription");
            
            // Find and hide image preview
            imgPhoto = (DisplayPhotoImage)GetControl(e.Skin, "imgPhoto");
            imgPhoto.Visible = false;
        }
        




        //*********************************************************************
        //
        // SubmitEvent Method
        //
        // This method is raised by clicking the Add button in the Add 
        // Event form. It adds the event to the database.
        //
        //*********************************************************************
    	private void SubmitPhoto(Object s, EventArgs e) {
			if (Page.IsValid) {
			
			    // Check moderation status
			    int moderationStatus = 1;
			    if (objSectionInfo.EnableModeration && !objUserInfo.MayModerate)
			        moderationStatus = 0;
			        
			    // Get Topic
			    int topicID = -1;
			    if (objSectionInfo.EnableTopics)
			        topicID = Int32.Parse(dropTopics.SelectedItem.Value);    
			        
			        
				// Add the Photo
				int contentPageID = PhotoUtility.AddPhoto
					(
					objUserInfo.Username,
					objSectionInfo.ID,
					moderationStatus,
					txtPhotoTitle.Text,
					txtPhotoBriefDescription.Text,
					txtPhotoFullDescription.Text,
					topicID
					);

                // Add the Image
    		    ImageUtility.AddSectionImage(contentPageID, txtPhotoFile.PostedFile);
				
				// Show warning message if moderation enabled
				if (objSectionInfo.EnableModeration && !objUserInfo.MayModerate)
				    Context.Response.Redirect(CommunityGlobals.CalculatePath("Messages_Message.aspx?message=moderation"));

               // Otherwise, redirect to default page and send notifications
	            Context.Server.ScriptTimeout = 10 * 60;
				Context.Response.Redirect(CommunityGlobals.CalculatePath("Default.aspx"), false);
	            Context.Response.Flush();
	            Context.Response.Close();            

				NotifyUtility.SendNotifications(objSectionInfo.ID, contentPageID, txtPhotoTitle.Text, objUserInfo.Username);
			    Context.Response.End();    
			}
		}



        //*********************************************************************
        //
        // AddPhoto Constructor
        //
        // Calls the base SkinnedCommunityControl constructor
        // and assigns the default page skin. 
        //
        //*********************************************************************

        public AddPhoto() : base() {
            // Assign a default skin file name
            SkinFileName = _skinFileName;

            // Specify Section Content
            SectionContent = _sectionContent;
            
            // Wire-up event handlers
            this.SkinLoad += new SkinLoadEventHandler(SkinLoadPhoto);
            this.Submit += new SubmitEventHandler(SubmitPhoto);
        }





    }
}