addarticle.cs

一个ASP.NET下的中文内容管理和社区系统

namespace ASPNET.StarterKit.Communities.Articles {

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


    //*********************************************************************
    //
    // AddArticle Class
    //
    // Represents the Add Article page. Enables users to list new articles.
    //
    //*********************************************************************

    public class AddArticle : ContentAddPage {
    
        string _skinFileName = "Articles_AddArticle.ascx"; 
        string _sectionContent = "ASPNET.StarterKit.Communities.Articles.ArticleSection";
        
 
        TextBox txtTitle;
        TopicPicker dropTopics;
        TextBox txtBriefDescription;
        HtmlTextBox txtBodyText;
 
        Title lblPreviewTitle;
        DisplayTopic topicPreview;
        BriefDescription lblPreviewBriefDescription;
        ArticleBodyText lblPreviewBodyText;
 



        //*********************************************************************
        //
        // SkinLoadArticle
        //
        // The skin load event happens after a page skin has been loaded.
        // Here, we grab the necessary controls from the page skin.
        //
        //*********************************************************************
        void SkinLoadArticle(Object s, SkinLoadEventArgs e) {
  
            // Find Title
            txtTitle = (TextBox)GetControl(e.Skin, "txtTitle");

            // Find Topic Picker
            dropTopics = (TopicPicker)GetControl(e.Skin, "dropTopics");
            
            // Find Intro Text 
            txtBriefDescription = (TextBox)GetControl(e.Skin, "txtBriefDescription");

            // Find Body Text
            txtBodyText = (HtmlTextBox)GetControl(e.Skin, "txtBodyText");
           
            // Find Preview Title
            lblPreviewTitle = (Title)GetControl(e.Skin, "lblPreviewTitle");

            // Find the topic preview
            topicPreview = (DisplayTopic)GetControl(e.Skin, "topicPreview");

            // Find Preview Intro Text
            lblPreviewBriefDescription = (BriefDescription)GetControl(e.Skin, "lblPreviewBriefDescription");
            
            // Find Preview Body Text
            lblPreviewBodyText = (ArticleBodyText)GetControl(e.Skin, "lblPreviewBodyText");
        }
        


        //*********************************************************************
        //
        // PreviewArticle Method
        //
        // When previewing an article, we want to transfer everything from 
        // the text boxes to the labels.
        //
        //*********************************************************************
        void PreviewArticle(Object s, EventArgs e) {
            lblPreviewTitle.Text = txtTitle.Text;
            if (objSectionInfo.EnableTopics)
                topicPreview.Name = dropTopics.SelectedItem.Text;
            lblPreviewBriefDescription.Text = txtBriefDescription.Text;
            lblPreviewBodyText.Text = txtBodyText.Text; 
        }



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

        void SubmitArticle(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 = dropTopics.SelectedTopicID;    

           
                // Add to Content Pages
                int contentPageID = ArticleUtility.AddArticle
                (
                    objUserInfo.Username,
                    objSectionInfo.ID,
                    topicID,
                    txtTitle.Text,
                    txtBriefDescription.Text,
                    moderationStatus,
                    txtBodyText.Text
                );
    
				
				// 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();    
            }
        }


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

        public AddArticle() : base() {
            // Assign a default skin file name
            SkinFileName = _skinFileName;
            
            // Assign section content
            SectionContent = _sectionContent;
            
            // Wire-up event handlers
            this.SkinLoad += new SkinLoadEventHandler(SkinLoadArticle);
            this.Preview += new PreviewEventHandler(PreviewArticle);
            this.Submit += new SubmitEventHandler(SubmitArticle);
        
        }





    }
}