EntryEditor.ascx.cs :  » Bloggers » SubText » Subtext » Web » Admin » UserControls » C# / CSharp Open Source

Home
C# / CSharp Open Source
1.2.6.4 mono .net core
2.2.6.4 mono core
3.Aspect Oriented Frameworks
4.Bloggers
5.Build Systems
6.Business Application
7.Charting Reporting Tools
8.Chat Servers
9.Code Coverage Tools
10.Content Management Systems CMS
11.CRM ERP
12.Database
13.Development
14.Email
15.Forum
16.Game
17.GIS
18.GUI
19.IDEs
20.Installers Generators
21.Inversion of Control Dependency Injection
22.Issue Tracking
23.Logging Tools
24.Message
25.Mobile
26.Network Clients
27.Network Servers
28.Office
29.PDF
30.Persistence Frameworks
31.Portals
32.Profilers
33.Project Management
34.RSS RDF
35.Rule Engines
36.Script
37.Search Engines
38.Sound Audio
39.Source Control
40.SQL Clients
41.Template Engines
42.Testing
43.UML
44.Web Frameworks
45.Web Service
46.Web Testing
47.Wiki Engines
48.Windows Presentation Foundation
49.Workflows
50.XML Parsers
C# / C Sharp
C# / C Sharp by API
C# / CSharp Tutorial
C# / CSharp Open Source » Bloggers » SubText 
SubText » Subtext » Web » Admin » UserControls » EntryEditor.ascx.cs
#region Disclaimer/Info

///////////////////////////////////////////////////////////////////////////////////////////////////
// Subtext WebLog
// 
// Subtext is an open source weblog system that is a fork of the .TEXT
// weblog system.
//
// For updated news and information please visit http://subtextproject.com/
// Subtext is hosted at Google Code at http://code.google.com/p/subtext/
// The development mailing list is at subtext@googlegroups.com 
//
// This project is licensed under the BSD license.  See the License.txt file for more information.
///////////////////////////////////////////////////////////////////////////////////////////////////

#endregion

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.Web;
using System.Web.UI.WebControls;
using Subtext.Extensibility;
using Subtext.Framework;
using Subtext.Framework.Components;
using Subtext.Framework.Configuration;
using Subtext.Framework.Routing;
using Subtext.Framework.Services;
using Subtext.Framework.Text;
using Subtext.Framework.Tracking;
using Subtext.Web.Admin.Pages;
using Subtext.Web.Admin.WebUI;
using Subtext.Web.Controls;
using Subtext.Web.Properties;
using Subtext.Web.UI.Controls;

namespace Subtext.Web.Admin.UserControls{
    public partial class EntryEditor : BaseControl
    {
        private const string CategoryTypeViewStateKey = "CategoryType";
        int? _postId;

        /// <summary>
        /// Gets or sets the type of the entry.
        /// </summary>
        /// <value>The type of the entry.</value>
        public PostType EntryType
        {
            get
            {
                if(ViewState["PostType"] != null)
                {
                    return (PostType)ViewState["PostType"];
                }
                return PostType.None;
            }
            set { ViewState["PostType"] = value; }
        }

        public int? PostId
        {
            get
            {
                if(_postId == null)
                {
                    string postIdText = Request.QueryString["PostId"];
                    int postId;
                    if(int.TryParse(postIdText, out postId))
                    {
                        _postId = postId;
                    }
                }
                return _postId;
            }
        }

        public CategoryType CategoryType
        {
            get
            {
                if(ViewState[CategoryTypeViewStateKey] != null)
                {
                    return (CategoryType)ViewState[CategoryTypeViewStateKey];
                }
                throw new InvalidOperationException(Resources.InvalidOperation_CategoryTypeNotSet);
            }
            set { ViewState[CategoryTypeViewStateKey] = value; }
        }

        //This is true if we came from a pencil edit link while viewing the post 
        //from outside the admin tool.
        private bool ReturnToOriginalPost
        {
            get { return (Request.QueryString["return-to-post"] == "true"); }
        }

        protected override void OnLoad(EventArgs e)
        {
            if(!IsPostBack)
            {
                BindCategoryList();
                SetEditorMode();

                if(PostId != null)
                {
                    BindPostEdit();
                }
                else
                {
                    BindPostCreate();
                }
            }
            base.OnLoad(e);
        }

        private void BindCategoryList()
        {
            cklCategories.DataSource = Links.GetCategories(CategoryType, ActiveFilter.None);
            cklCategories.DataValueField = "Id";
            cklCategories.DataTextField = "Title";
            cklCategories.DataBind();
        }

        private void SetConfirmation()
        {
            var confirmPage = (ConfirmationPage)Page;
            confirmPage.IsInEdit = true;
            confirmPage.Message = Resources.Message_YouWillLoseUnsavedContent;

            lkbPost.Attributes.Add("OnClick", ConfirmationPage.BypassFunctionName);
            lkUpdateCategories.Attributes.Add("OnClick", ConfirmationPage.BypassFunctionName);
            lkbCancel.Attributes.Add("OnClick", ConfirmationPage.BypassFunctionName);
        }

        private void BindPostCreate()
        {
            txbTitle.Text = string.Empty;
            richTextEditor.Text = string.Empty;

            SetConfirmation();
            SetDefaultPublishOptions();
            PopulateMimeTypeDropDown();
        }

        private void SetDefaultPublishOptions()
        {
            chkMainSyndication.Checked = true;
            ckbPublished.Checked = true;
            chkDisplayHomePage.Checked = true;
            chkComments.Checked = Config.CurrentBlog.CommentsEnabled;
        }

        private void BindPostEdit()
        {
            Debug.Assert(PostId != null, "PostId Should not be null when we call this");

            SetConfirmation();

            Entry entry = GetEntryForEditing(PostId.Value);
            if(entry == null)
            {
                ReturnToOrigin(null);
                return;
            }

            txbTitle.Text = entry.Title;
            if(!NullValue.IsNull(entry.DateSyndicated) && entry.DateSyndicated > Config.CurrentBlog.TimeZone.Now)
            {
                txtPostDate.Text = entry.DateSyndicated.ToString(CultureInfo.CurrentCulture);
            }

            VirtualPath entryUrl = Url.EntryUrl(entry);
            if (entryUrl != null)
            {
                hlEntryLink.NavigateUrl = entryUrl;
                hlEntryLink.Text = entryUrl.ToFullyQualifiedUrl(Config.CurrentBlog).ToString();
                hlEntryLink.Attributes.Add("title", "view: " + entry.Title);
            }
            else
                hlEntryLink.Text = "This post has not been published yet, so it doesn't have an URL";

            PopulateMimeTypeDropDown();
            //Enclosures
            if(entry.Enclosure != null)
            {
                Enclosure.Collapsed = false;
                txbEnclosureTitle.Text = entry.Enclosure.Title;
                txbEnclosureUrl.Text = entry.Enclosure.Url;
                txbEnclosureSize.Text = entry.Enclosure.Size.ToString();
                if(ddlMimeType.Items.FindByText(entry.Enclosure.MimeType) != null)
                {
                    ddlMimeType.SelectedValue = entry.Enclosure.MimeType;
                }
                else
                {
                    ddlMimeType.SelectedValue = "other";
                    txbEnclosureOtherMimetype.Text = entry.Enclosure.MimeType;
                }
                ddlAddToFeed.SelectedValue = entry.Enclosure.AddToFeed.ToString().ToLower();
                ddlDisplayOnPost.SelectedValue = entry.Enclosure.ShowWithPost.ToString().ToLower();
            }

            chkComments.Checked = entry.AllowComments;
            chkCommentsClosed.Checked = entry.CommentingClosed;
            SetCommentControls();
            if(entry.CommentingClosedByAge)
            {
                chkCommentsClosed.Enabled = false;
            }

            chkDisplayHomePage.Checked = entry.DisplayOnHomePage;
            chkMainSyndication.Checked = entry.IncludeInMainSyndication;
            chkSyndicateDescriptionOnly.Checked = entry.SyndicateDescriptionOnly;
            chkIsAggregated.Checked = entry.IsAggregated;

            // Advanced Options
            txbEntryName.Text = entry.EntryName;
            txbExcerpt.Text = entry.Description;

            SetEditorText(entry.Body);

            ckbPublished.Checked = entry.IsActive;

            BindCategoryList();
            for(int i = 0; i < cklCategories.Items.Count; i++)
            {
                cklCategories.Items[i].Selected = false;
            }

            ICollection<Link> postCategories = Repository.GetLinkCollectionByPostId(PostId.Value);
            if(postCategories.Count > 0)
            {
                foreach(Link postCategory in postCategories)
                {
                    ListItem categoryItem =
                        cklCategories.Items.FindByValue(postCategory.CategoryId.ToString(CultureInfo.InvariantCulture));
                    if(categoryItem == null)
                    {
                        throw new InvalidOperationException(
                            string.Format(Resources.EntryEditor_CouldNotFindCategoryInList, postCategory.CategoryId,
                                          cklCategories.Items.Count));
                    }
                    categoryItem.Selected = true;
                }
            }

            SetEditorMode();
            Advanced.Collapsed = !Preferences.AlwaysExpandAdvanced;

            var adminMasterPage = Page.Master as AdminPageTemplate;
            if(adminMasterPage != null)
            {
                string title = string.Format(CultureInfo.InvariantCulture, Resources.EntryEditor_EditingTitle,
                                             CategoryType == CategoryType.StoryCollection
                                                 ? Resources.Label_Article
                                                 : Resources.Label_Post, entry.Title);
                adminMasterPage.Title = title;
            }

            if(entry.HasEntryName)
            {
                Advanced.Collapsed = false;
                txbEntryName.Text = entry.EntryName;
            }
        }

        private void PopulateMimeTypeDropDown()
        {
            ddlMimeType.Items.Add(new ListItem(Resources.Label_Choose, "none"));
            foreach(string key in MimeTypesMapper.Mappings.List)
            {
                ddlMimeType.Items.Add(new ListItem(MimeTypesMapper.Mappings.List[key],
                                                   MimeTypesMapper.Mappings.List[key]));
            }
            ddlMimeType.Items.Add(new ListItem(Resources.Label_Other, "other"));
        }

        private void SetCommentControls()
        {
            if(!Blog.CommentsEnabled)
            {
                chkComments.Enabled = false;
                chkCommentsClosed.Enabled = false;
            }
        }

        public void EditNewEntry()
        {
            SetConfirmation();
        }

        private void ReturnToOrigin(string message)
        {
            if(ReturnToOriginalPost && PostId != null)
            {
                // We came from outside the post, let's go there.
                Entry updatedEntry = Repository.GetEntry(PostId.Value, true /*activeOnly*/, false /*includeCategories*/);
                if(updatedEntry != null)
                {
                    Response.Redirect(Url.EntryUrl(updatedEntry));
                }
            }
            else
            {
                string url = "Default.aspx";
                if(!String.IsNullOrEmpty(message))
                {
                    url += "?message=" + HttpUtility.UrlEncode(message);
                }
                Response.Redirect(url);
            }
        }

        private void UpdatePost()
        {
            DateTime postDate = NullValue.NullDateTime;

            vCustomPostDate.IsValid = string.IsNullOrEmpty(txtPostDate.Text) || DateTime.TryParse(txtPostDate.Text, out postDate);

            EnableEnclosureValidation(EnclosureEnabled());

            if(Page.IsValid)
            {
                string successMessage = Constants.RES_SUCCESSNEW;

                try
                {
                    Entry entry;
                    if(PostId == null)
                    {
                        ValidateEntryTypeIsNotNone(EntryType);
                        entry = new Entry(EntryType);
                    }
                    else
                    {
                        entry = GetEntryForEditing(PostId.Value);
                        if(entry.PostType != EntryType)
                        {
                            EntryType = entry.PostType;
                        }
                    }

                    entry.Title = txbTitle.Text;
                    entry.Body = richTextEditor.Xhtml;
                    entry.Author = Config.CurrentBlog.Author;
                    entry.Email = Config.CurrentBlog.Email;
                    entry.BlogId = Config.CurrentBlog.Id;

                    //Enclosure
                    int enclosureId = 0;
                    if(entry.Enclosure != null)
                    {
                        enclosureId = entry.Enclosure.Id;
                    }

                    if(EnclosureEnabled())
                    {
                        if(entry.Enclosure == null)
                        {
                            entry.Enclosure = new Enclosure();
                        }
                        Enclosure enc = entry.Enclosure;

                        enc.Title = txbEnclosureTitle.Text;
                        enc.Url = txbEnclosureUrl.Text;
                        enc.MimeType = ddlMimeType.SelectedValue.Equals("other") ? txbEnclosureOtherMimetype.Text : ddlMimeType.SelectedValue;
                        long size;
                        Int64.TryParse(txbEnclosureSize.Text, out size);
                        enc.Size = size;
                        enc.AddToFeed = Boolean.Parse(ddlAddToFeed.SelectedValue);
                        enc.ShowWithPost = Boolean.Parse(ddlDisplayOnPost.SelectedValue);
                    }
                    else
                    {
                        entry.Enclosure = null;
                    }

                    // Advanced options
                    entry.IsActive = ckbPublished.Checked;
                    entry.AllowComments = chkComments.Checked;
                    entry.CommentingClosed = chkCommentsClosed.Checked;
                    entry.DisplayOnHomePage = chkDisplayHomePage.Checked;
                    entry.IncludeInMainSyndication = chkMainSyndication.Checked;
                    entry.SyndicateDescriptionOnly = chkSyndicateDescriptionOnly.Checked;
                    entry.IsAggregated = chkIsAggregated.Checked;
                    entry.EntryName = txbEntryName.Text.NullIfEmpty();
                    entry.Description = txbExcerpt.Text.NullIfEmpty();
                    entry.Categories.Clear();
                    ReplaceSelectedCategoryNames(entry.Categories);

                    if(!NullValue.IsNull(postDate))
                    {
                        entry.DateSyndicated = postDate;
                    }

                    if(PostId != null)
                    {
                        successMessage = Constants.RES_SUCCESSEDIT;
                        entry.DateModified = Config.CurrentBlog.TimeZone.Now;
                        entry.Id = PostId.Value;

                        var entryPublisher = SubtextContext.ServiceLocator.GetService<IEntryPublisher>();
                        entryPublisher.Publish(entry);

                        if(entry.Enclosure == null && enclosureId != 0)
                        {
                            Enclosures.Delete(enclosureId);
                        }
                        else if(entry.Enclosure != null && entry.Enclosure.Id != 0)
                        {
                            Enclosures.Update(entry.Enclosure);
                        }
                        else if(entry.Enclosure != null && entry.Enclosure.Id == 0)
                        {
                            entry.Enclosure.EntryId = entry.Id;
                            Enclosures.Create(entry.Enclosure);
                        }

                        UpdateCategories();
                    }
                    else
                    {
                        var entryPublisher = SubtextContext.ServiceLocator.GetService<IEntryPublisher>();
                        _postId = entryPublisher.Publish(entry);
                        NotificationServices.Run(entry, Blog, Url);

                        if(entry.Enclosure != null)
                        {
                            entry.Enclosure.EntryId = PostId.Value;
                            Enclosures.Create(entry.Enclosure);
                        }

                        UpdateCategories();
                        AddCommunityCredits(entry);
                    }
                }
                catch(Exception ex)
                {
                    Messages.ShowError(String.Format(Constants.RES_EXCEPTION,
                                                     Constants.RES_FAILUREEDIT, ex.Message));
                    successMessage = string.Empty;
                }

                //Prepared success messages were reset in the catch block because of some error on posting the content
                if(!String.IsNullOrEmpty(successMessage))
                {
                    ReturnToOrigin(successMessage);
                }
            }
        }

        [CoverageExclude]
        private static void ValidateEntryTypeIsNotNone(PostType entryType)
        {
            Debug.Assert(entryType != PostType.None, "The entry type is none. This should be impossible!");
        }

        private bool EnclosureEnabled()
        {
            if(!String.IsNullOrEmpty(txbEnclosureUrl.Text))
            {
                return true;
            }
            if(!String.IsNullOrEmpty(txbEnclosureTitle.Text))
            {
                return true;
            }
            if(!String.IsNullOrEmpty(txbEnclosureSize.Text))
            {
                return true;
            }
            return ddlMimeType.SelectedIndex > 0;
        }

        private void EnableEnclosureValidation(bool enabled)
        {
            valEncSizeRequired.Enabled = enabled;
            valEncUrlRequired.Enabled = enabled;
            valEncMimeTypeRequired.Enabled = enabled;

            valEncOtherMimetypeRequired.Enabled = enabled && ddlMimeType.SelectedValue.Equals("other");
        }

        private void ReplaceSelectedCategoryNames(ICollection<string> sc)
        {
            sc.Clear();
            foreach(ListItem item in cklCategories.Items)
            {
                if(item.Selected)
                {
                    sc.Add(item.Text);
                }
            }
        }

        private string UpdateCategories()
        {
            try
            {
                if(PostId != null)
                {
                    string successMessage = Constants.RES_SUCCESSCATEGORYUPDATE;
                    var al = new List<int>();

                    foreach(ListItem item in cklCategories.Items)
                    {
                        if(item.Selected)
                        {
                            al.Add(int.Parse(item.Value));
                        }
                    }
                    Repository.SetEntryCategoryList(PostId.Value, al);
                    return successMessage;
                }
                
                Messages.ShowError(Constants.RES_FAILURECATEGORYUPDATE + Resources.EntryEditor_ProblemEditingPostCategories);
            }
            catch(Exception ex)
            {
                Messages.ShowError(String.Format(Constants.RES_EXCEPTION,
                                                 Constants.RES_FAILUREEDIT, ex.Message));
            }
            return null;
        }

        private void SetEditorMode()
        {
            if(CategoryType == CategoryType.StoryCollection)
            {
                chkDisplayHomePage.Visible = false;
                chkIsAggregated.Visible = false;
                chkMainSyndication.Visible = false;
                chkSyndicateDescriptionOnly.Visible = false;
            }
        }

        private void SetEditorText(string bodyValue)
        {
            richTextEditor.Text = bodyValue;
        }

        override protected void OnInit(EventArgs e)
        {
            InitializeComponent();
            base.OnInit(e);
        }

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            lkbPost.Click += OnUpdatePostClick;
            lkUpdateCategories.Click += OnUpdateCategoriesClick;
            lkbCancel.Click += OnCancelClick;
        }

        private void OnCancelClick(object sender, EventArgs e)
        {
            if(PostId != null && ReturnToOriginalPost)
            {
                // We came from outside the post, let's go there.
                Entry updatedEntry = Repository.GetEntry(PostId.Value, true /* activeOnly */, false
                    /* includeCategories */);
                if(updatedEntry != null)
                {
                    Response.Redirect(Url.EntryUrl(updatedEntry));
                    return;
                }
            }

            ReturnToOrigin(null);
        }

        private void OnUpdatePostClick(object sender, EventArgs e)
        {
            UpdatePost();
        }

        private void OnUpdateCategoriesClick(object sender, EventArgs e)
        {
            string successMessage = UpdateCategories();
            if(successMessage != null)
            {
                ReturnToOrigin(successMessage);
            }
        }

        protected void richTextEditor_Error(object sender, RichTextEditorErrorEventArgs e)
        {
            Messages.ShowError(String.Format(Constants.RES_EXCEPTION, "TODO...", e.Exception.Message));
        }

        private void AddCommunityCredits(Entry entry)
        {
            try
            {
                CommunityCreditNotification.AddCommunityCredits(entry, Url, Blog);
            }
            catch(CommunityCreditNotificationException ex)
            {
                Messages.ShowError(String.Format(Constants.RES_EXCEPTION,
                                                 Resources.EntryEditor_ErrorSendingToCommunityCredits, ex.Message));
            }
            catch(Exception ex)
            {
                Messages.ShowError(String.Format(Constants.RES_EXCEPTION,
                                                 Resources.EntryEditor_ErrorSendingToCommunityCredits, ex.Message));
            }
        }

        private Entry GetEntryForEditing(int id)
        {
            var entry = Repository.GetEntry(id, false /*activeOnly*/, false /*includeCategories*/);
            entry.Blog = Blog;
            return entry;
        }
    }
}
www.java2v.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.