addlink.cs

一个ASP.NET下的中文内容管理和社区系统

namespace ASPNET.StarterKit.Communities.Links {

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


    //*********************************************************************
    //
    // AddLink Class
    //
    // Represents the Add Link page. Enables users to list new links.
    //
    //*********************************************************************

    public class AddLink : ContentAddPage {
    
        string _skinFileName = "Links_AddLink.ascx";
        string _sectionContent = "ASPNET.StarterKit.Communities.Links.LinksSection";

 
		TextBox txtUrl;
		TextBox txtTitle;
		TextBox txtDescription;
		TopicPicker dropTopics;
		
		LinkTitle previewLinkTitle;
		BriefDescription previewDescription;
        DisplayTopic previewTopic;
        

        //*********************************************************************
        //
        // SkinLoadLink
        //
        // The skin load event happens after a page skin has been loaded.
        // Here, we grab the necessary controls from the page skin.
        //
        //*********************************************************************
        void SkinLoadLink(Object s, SkinLoadEventArgs e) {

			txtTitle = (TextBox)GetControl(e.Skin,"txtTitle");
			txtUrl = (TextBox)GetControl(e.Skin,"txtUrl");
			txtDescription = (TextBox)GetControl(e.Skin,"txtDescription");
            dropTopics = (TopicPicker)GetControl(e.Skin, "dropTopics");

            previewLinkTitle = (LinkTitle)GetControl(e.Skin, "previewLinkTitle");
            previewDescription = (BriefDescription)GetControl(e.Skin, "previewDescription");
            previewTopic = (DisplayTopic)GetControl(e.Skin, "previewTopic" );
        }
        


        //*********************************************************************
        //
        // PreviewLink Method
        //
        // When previewing a link, we want to transfer everything from 
        // the text boxes to the labels.
        //
        //*********************************************************************
        void PreviewLink(Object s, EventArgs e) {
            previewLinkTitle.Text = txtTitle.Text;
            previewLinkTitle.Url = txtUrl.Text;
            previewDescription.Text = txtDescription.Text;
            if (objSectionInfo.EnableTopics)
                previewTopic.Name = dropTopics.SelectedItem.Text;
        }



        //*********************************************************************
        //
        // SubmitLink Method
        //
        // This method is raised by clicking the Add button in the Add 
        // Article form. It adds the article to the database.
        //
        //*********************************************************************

        void SubmitLink(Object s, EventArgs e) {
			if (Page.IsValid) {
			
                // Get Topic
                int topicID = -1;
                if (objSectionInfo.EnableTopics)
                   topicID = Int32.Parse(dropTopics.SelectedItem.Value);    
                    
                // Check moderation status
                int moderationStatus = 1;
                if (objSectionInfo.EnableModeration && !objUserInfo.MayModerate)
                    moderationStatus = 0;
				                
                // Insert
                int contentPageID = LinksUtility.AddLink
                (
                    objSectionInfo.ID, 
                    objUserInfo.Username, 
                    txtTitle.Text, 
                    txtUrl.Text, 
                    txtDescription.Text,
                    moderationStatus,
                    topicID
                );
                
                // 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, txtTitle.Text, objUserInfo.Username);
			    Context.Response.End();    
            }
        }


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

        public AddLink() : base() {
            // Assign a default skin file name
            SkinFileName = _skinFileName;
            
            // Not specified
            SectionContent = _sectionContent;
            
            // Wire-up event handlers
            this.SkinLoad += new SkinLoadEventHandler(SkinLoadLink);
            this.Preview += new PreviewEventHandler(PreviewLink);
            this.Submit += new SubmitEventHandler(SubmitLink);
        }





    }
}