示例#1
0
        /// <summary>
        /// Gets the folder of a content item if the item is in a folder.
        /// </summary>
        void GetFolder(ContentItem item, EventHandler <RequestEventArgs> callback)
        {
            if (_agol.User.Current == null)
            {
                if (callback != null)
                {
                    callback(null, new RequestEventArgs()
                    {
                        Error = new Exception(ESRI.ArcGIS.Mapping.Controls.ArcGISOnline.Resources.Strings.ExceptionGetFolderFailedUserSignedIn)
                    });
                }
                return;
            }

            //if the folder has already been determined call back immediately
            //
            if (item.Folder != null)
            {
                callback(null, new RequestEventArgs());
                return;
            }

            //get the user's content and find the item
            //
            GetUserContent(null, (object sender, UserContentEventArgs e) =>
            {
                if (e.Error != null)
                {
                    callback(null, new RequestEventArgs()
                    {
                        Error = e.Error
                    });
                    return;
                }

                UserContent userContent = e.Content;
                if (userContent == null)
                {
                    callback(null, new RequestEventArgs()
                    {
                        Error = new Exception(string.Format(ESRI.ArcGIS.Mapping.Controls.ArcGISOnline.Resources.Strings.ItemNotFound, item.Id))
                    });
                    return;
                }

                //first check if the item is in the content root level
                //
                if (userContent.ContentItems != null)
                {
                    foreach (ContentItem contentItem in userContent.ContentItems)
                    {
                        if (contentItem.Id == item.Id)
                        {
                            //create a folder that represents the root folder by assigning an empty id
                            item.Folder = new ContentFolder()
                            {
                                Id = ""
                            };

                            callback(null, new RequestEventArgs());
                            return;
                        }
                    }
                }

                //search folders for the content item
                if (userContent.Folders == null || userContent.Folders.Length == 0)
                {
                    callback(null, new RequestEventArgs()
                    {
                        Error = new Exception(string.Format(ESRI.ArcGIS.Mapping.Controls.ArcGISOnline.Resources.Strings.ItemNotFound, item.Id))
                    });
                }
                else
                {
                    bool folderFound    = false;
                    int foldersToSearch = 0;
                    int foldersSearched = 0;
                    foreach (ContentFolder folder in userContent.Folders)
                    {
                        foldersToSearch++;
                        ContentFolder folderToSearch = folder; //cache for reference in lambda expression
                        GetUserContent(folderToSearch.Id, (object sender2, UserContentEventArgs e2) =>
                        {
                            foldersSearched++;

                            if (e2.Content != null && e2.Content.ContentItems != null)
                            {
                                foreach (ContentItem contentItem in e2.Content.ContentItems)
                                {
                                    if (contentItem.Id == item.Id)
                                    {
                                        folderFound = true; //make sure callback is not invoked on subsequent responses

                                        item.Folder = folderToSearch;

                                        callback(null, new RequestEventArgs());
                                        return;
                                    }
                                }
                            }

                            if (foldersSearched == foldersToSearch && !folderFound)
                            {
                                callback(null, new RequestEventArgs()
                                {
                                    Error = new Exception(string.Format(ESRI.ArcGIS.Mapping.Controls.ArcGISOnline.Resources.Strings.ItemNotFound, item.Id))
                                });
                                return;
                            }
                        });
                    }
                }
            });
        }
		public static bool IsSubfolder(ContentFolder folder)
		{
			return (folder != null && !string.IsNullOrEmpty(folder.Id));
		}
示例#3
0
        /// <summary>
        /// Deletes the content item specified by its Id.
        /// </summary>
        public void Delete(ContentItem item, EventHandler <ContentItemEventArgs> callback)
        {
            if (_agol.User.Current == null)
            {
                if (callback != null)
                {
                    callback(null, new ContentItemEventArgs()
                    {
                        Error = new Exception(ESRI.ArcGIS.Mapping.Controls.ArcGISOnline.Resources.Strings.ExceptionDeleteFailedUserSignIn), Id = item.Id
                    });
                }
                return;
            }

            //find out if the item is located in a folder
            //
            GetFolder(item, (object sender, RequestEventArgs e) =>
            {
                if (e.Error != null)
                {
                    if (callback != null)
                    {
                        callback(null, new ContentItemEventArgs()
                        {
                            Error = e.Error
                        });
                    }
                    return;
                }

                string folderUrl = ContentFolder.IsSubfolder(item.Folder) ? "/" + item.Folder.Id : "";
                string url       = _agol.Url + "/content/users/" + _agol.User.Current.Username + folderUrl + "/items/" + item.Id + "/delete?f=json&token=" + _agol.User.Token;

                WebUtil.UploadStringAsync(url, null, "", (object sender2, UploadStringCompletedEventArgs e2) =>
                {
                    if (e2.Error != null)
                    {
                        if (callback != null)
                        {
                            callback(null, new ContentItemEventArgs()
                            {
                                Error = e2.Error, Id = item.Id
                            });
                        }
                        return;
                    }

                    Success result = WebUtil.ReadObject <Success>(new MemoryStream(Encoding.UTF8.GetBytes(e2.Result)));

                    ContentItemEventArgs eventArgs = new ContentItemEventArgs()
                    {
                        Error = (result == null || !result.Succeeded) ? new Exception(ESRI.ArcGIS.Mapping.Controls.ArcGISOnline.Resources.Strings.ExceptionDeleteFailed) : null, Id = item.Id
                    };
                    if (callback != null)
                    {
                        callback(null, eventArgs);
                    }

                    //raise event
                    if (ItemDeleted != null)
                    {
                        ItemDeleted(null, eventArgs);
                    }
                });
            });
        }