blogfeedbackadmin.cs

本系统是在asp版《在线文件管理器》的基础上设计制作

//------------------------------------------------------------------------------
// <copyright company="Telligent Systems">
//     Copyright (c) Telligent Systems Corporation.  All rights reserved.
// </copyright> 
//------------------------------------------------------------------------------

using System;
using System.Collections;
using System.Web;
using System.Web.UI.WebControls;

using CommunityServer.Blogs.Components;
using CommunityServer.Components;
using CommunityServer.Controls;

namespace CommunityServer.Blogs.Controls 
{
	
    /// <summary>
    /// Displays an interface for managing a blog's comments and traceback.
    /// </summary>
    public class BlogFeedbackAdmin : WeblogAdminTemplatedWebControl 
    {

        #region Setup

        DataGrid FeedbackList;
        Button ApproveTop;
        Button ModerateTop;
        Button DeleteTop;
        Button ApproveBottom;
        Button ModerateBottom;
        Button DeleteBottom;
        Pager GridPager;

        /// <exclude />
        protected override void AttachChildControls() 
        {
            FeedbackList = (DataGrid)FindControl( "FeedbackList" );

            if ( FeedbackList != null ) 
            {
               // FeedbackList.AllowPaging = true;
               // FeedbackList.AllowCustomPaging = true;
                FeedbackList.AutoGenerateColumns = false;
               // FeedbackList.PageIndexChanged += new DataGridPageChangedEventHandler(FeedbackList_PageIndexChanged);
                FeedbackList.ItemDataBound += new DataGridItemEventHandler(FeedbackList_ItemDataBound);
            }

            GridPager = FindControl("GridPager") as Pager;
		
            ApproveTop = FindControl( "ApproveTop" ) as Button;
            if ( ApproveTop != null ) 
            {
                ApproveTop.Text = ResourceManager.GetString( "Feedback_Approve" );
                ApproveTop.Click += new EventHandler(Approve_Click);
            }

            ModerateTop = FindControl( "ModerateTop" ) as Button;
            if ( ModerateTop != null ) 
            {
                ModerateTop.Text = ResourceManager.GetString( "Feedback_Moderate" );
                ModerateTop.Click += new EventHandler(Moderate_Click);
            }

            DeleteTop = FindControl( "DeleteTop" ) as Button;
            if ( DeleteTop != null ) 
            {
                DeleteTop.Text = ResourceManager.GetString( "Feedback_Delete" );
                DeleteTop.Click += new EventHandler(Delete_Click);
                DeleteTop.Attributes.Add( "onclick", "if ( !confirm('" + ResourceManager.GetString("Feedback_ConfirmDelete").Replace("'", @"\'") + "') ) {return false; } " );
            }

            ApproveBottom = FindControl( "ApproveBottom" ) as Button;
            if ( ApproveBottom != null ) 
            {
                ApproveBottom.Text = ResourceManager.GetString( "Feedback_Approve" );
                ApproveBottom.Click += new EventHandler(Approve_Click);
            }

            ModerateBottom = FindControl( "ModerateBottom" ) as Button;
            if ( ModerateBottom != null ) 
            {
                ModerateBottom.Text = ResourceManager.GetString( "Feedback_Moderate" );
                ModerateBottom.Click += new EventHandler(Moderate_Click);
            }

            DeleteBottom = FindControl( "DeleteBottom" ) as Button;
            if ( DeleteBottom != null ) 
            {
                DeleteBottom.Text = ResourceManager.GetString( "Feedback_Delete" );
                DeleteBottom.Click += new EventHandler(Delete_Click);
                DeleteBottom.Attributes.Add( "onclick", "if ( !confirm('" + ResourceManager.GetString("Feedback_ConfirmDelete").Replace("'", @"\'") + "') ) {return false; } " );
            }

        }

        /// <exclude />
        protected override void OnLoad(EventArgs e) 
        {
            if ( !Page.IsPostBack ) 
            {
                this.DataBind();
            }

            base.OnLoad( e );
        }

        /// <exclude />
        public override void DataBind() 
        {
            base.DataBind ();

            this.FeedbackList.DataKeyField = "PostID";
            Int32 totalRecords;
            this.FeedbackList.DataSource = BlogFeedback.GetFeedback( this.CurrentWeblog.SectionID, GridPager.PageIndex, this.GridPager.PageSize, out totalRecords );
            //this.FeedbackList.VirtualItemCount = totalRecords;
            this.GridPager.TotalRecords = totalRecords;
            this.FeedbackList.DataBind();
        }

        #endregion

        #region FeedbackList Event Handlers

        private void FeedbackList_ItemDataBound(object sender, DataGridItemEventArgs e) 
        {
            if ( e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem ) 
            {
                BlogFeedbackItem item = e.Item.DataItem as BlogFeedbackItem;

                Literal Subject = e.Item.FindControl( "Subject" ) as Literal;
                if ( Subject != null ) 
                {
                    Subject.Text = HttpUtility.HtmlEncode( item.Subject );
                }

                Literal Body = e.Item.FindControl( "Body" ) as Literal;
                if ( Body != null ) 
                {
                    Body.Text = HttpUtility.HtmlEncode( Formatter.RemoveHtml(item.Body,250) );
                }

                Literal IsModerated = e.Item.FindControl( "IsModerated" ) as Literal;
                if ( IsModerated != null ) 
                {
                    if ( item.IsApproved ) 
                    {
                        IsModerated.Text = ResourceManager.GetString( "Yes" );
                    } 
                    else 
                    {
                        IsModerated.Text = ResourceManager.GetString( "No" );
                    }
                }

                Literal PostedBy = e.Item.FindControl( "PostedBy" ) as Literal;
                if ( PostedBy != null ) 
                {
                    PostedBy.Text = HttpUtility.HtmlEncode( item.PostAuthor );
                }

                Literal DatePosted = e.Item.FindControl( "DatePosted" ) as Literal;
                if ( DatePosted != null ) 
                {
                    DatePosted.Text = Formatter.FormatDatePost( item.PostDate );
                }

                if(item.HasTitleUrl)
                {
                    HyperLink CommentUrl = e.Item.FindControl( "CommentUrl" ) as HyperLink;
                    if ( CommentUrl != null ) 
                    {

						if(item.HasTitleUrl)
						{
							CommentUrl.Text = "Url";
							if ( item.TitleUrl.StartsWith( "http://" ) || item.TitleUrl.StartsWith( "https://" ) ) 
							{
								CommentUrl.NavigateUrl = item.TitleUrl;
								CommentUrl.ToolTip = item.TitleUrl;
							} 
							else 
							{
								CommentUrl.NavigateUrl = "";
							}
						}
						else
							CommentUrl.Visible = false;
                    }
                }

            }
        }

//        private void FeedbackList_PageIndexChanged(object source, DataGridPageChangedEventArgs e) 
//        {
//            this.FeedbackList.CurrentPageIndex = e.NewPageIndex;
//            this.DataBind();
//        }
        #endregion

        #region Button Click Handlers

        private void Approve_Click(object sender, EventArgs e) 
        {
            Int32[] targetItems = this.GetSelectedPostIDs();
            this.ApproveItems( targetItems );
            ResetData();
        }

        private void Moderate_Click(object sender, EventArgs e) 
        {
            Int32[] targetItems = this.GetSelectedPostIDs();
            this.ModerateItems( targetItems );
            ResetData();
        }

        private void Delete_Click(object sender, EventArgs e) 
        {
            Int32[] targetItems = this.GetSelectedPostIDs();
            this.DeleteItems( targetItems );
            ResetData();
        }

        #endregion

        #region Command Implementors

        protected void ApproveItems( Int32[] targetItems ) 
        {
            BlogFeedback.ApproveFeedback( CSContext.Current.User.UserID, this.CurrentWeblog.SectionID, targetItems );
        }

        protected void ModerateItems( Int32[] targetItems ) 
        {
            BlogFeedback.ModerateFeedback( CSContext.Current.User.UserID, this.CurrentWeblog.SectionID, targetItems );
        }

        protected void DeleteItems( Int32[] targetItems ) 
        {
            BlogFeedback.DeleteFeedback( CSContext.Current.User.UserID, CurrentWeblog.SectionID, targetItems );
        }

        #endregion

        /// <summary>
        /// Gets the postIDs of the feedback items selected via the Selector checkbox
        /// </summary>
        protected Int32[] GetSelectedPostIDs() 
        {
            ArrayList selectedItems = new ArrayList();
            foreach( DataGridItem item in this.FeedbackList.Items ) 
            {
                CheckBox selector = item.FindControl( "Selector" ) as CheckBox;
                if ( selector != null && selector.Checked ) 
                {
                    Int32 postID = Convert.ToInt32( this.FeedbackList.DataKeys[ item.ItemIndex ] );
                    selectedItems.Add( postID );
                }
            }
            Int32[] IDs = new Int32[ selectedItems.Count ];
            selectedItems.CopyTo( IDs );
            return IDs;
        }


        /// <summary>
        /// Resets the data visible in the control
        /// </summary>
        protected void ResetData() 
        {
             Context.Response.Redirect( Context.Request.RawUrl, true );
        }
    }
}