From 3be6eccab55ca90a060cb56882c5675a7ad875ce Mon Sep 17 00:00:00 2001 From: Vitaly Takmazov Date: Fri, 29 Mar 2013 13:21:34 +0400 Subject: there is no need to implement INotifyPropertyChanged on post item --- Juick/ViewModels/MessageListViewModelBase.cs | 118 ----------------- Juick/ViewModels/MessageViewModel.cs | 186 --------------------------- Juick/ViewModels/PostItem.cs | 46 +++++++ Juick/ViewModels/ThreadViewModel.cs | 2 +- Juick/ViewModels/ViewModelBase.cs | 118 +++++++++++++++++ 5 files changed, 165 insertions(+), 305 deletions(-) delete mode 100644 Juick/ViewModels/MessageListViewModelBase.cs delete mode 100644 Juick/ViewModels/MessageViewModel.cs create mode 100644 Juick/ViewModels/PostItem.cs create mode 100644 Juick/ViewModels/ViewModelBase.cs (limited to 'Juick/ViewModels') diff --git a/Juick/ViewModels/MessageListViewModelBase.cs b/Juick/ViewModels/MessageListViewModelBase.cs deleted file mode 100644 index 3eb1842..0000000 --- a/Juick/ViewModels/MessageListViewModelBase.cs +++ /dev/null @@ -1,118 +0,0 @@ -using System; -using System.Collections.Generic; -using System.Collections.ObjectModel; -using System.ComponentModel; -using System.Net; -using System.Windows; -using System.Windows.Media.Imaging; -using Juick.Classes; -using JuickApi; -using RestSharp; - -namespace Juick.ViewModels -{ - public class MessageListViewModelBase : INotifyPropertyChanged - { - static readonly string IsDataLoadingPropertyName = ExpressionHelper.GetPropertyName(x => x.IsDataLoading); - bool isDataLoading; - - public MessageListViewModelBase() - { - Items = new ObservableCollection(); - LoadMessagesPageCommand = new DelegateCommand(LoadData, () => !IsDataLoading); - } - - public string RestUri { get; set; } - public virtual string Caption { get { return "juick"; } } - - /// - /// A collection for MessageViewModel objects. - /// - public ObservableCollection Items { get; private set; } - - public DelegateCommand LoadMessagesPageCommand { get; private set; } - - public bool IsDataLoading - { - get { return isDataLoading; } - set - { - isDataLoading = value; - NotifyPropertyChanged(IsDataLoadingPropertyName); - LoadMessagesPageCommand.NotifyCanExecuteChanged(); - } - } - - /// - /// Creates and adds a few MessageViewModel objects into the Items collection. - /// - public void LoadData() - { - if (IsDataLoading) { - return; - } - - const int PageSize = 1; - - if (string.IsNullOrEmpty(RestUri)) - { - RestUri = "/home?1=1"; - } - - // super-костыли - // todo: rewrite - else if (RestUri.StartsWith("/home?", StringComparison.InvariantCulture) && Items.Count > 0) - { - var lastItem = Items[Items.Count - 1]; - RestUri = string.Format("/home?before_mid={0}&page={1}", lastItem.MID, PageSize); - } - else if (RestUri.StartsWith("/messages?", StringComparison.InvariantCulture) && Items.Count > 0) - { - var lastItem = Items[Items.Count - 1]; - RestUri = string.Format("/messages?before_mid={0}&page={1}", lastItem.MID, PageSize); - } - - var request = new RestRequest(RestUri + "&rnd=" + Environment.TickCount); - App.Client.Authenticator = new HttpBasicAuthenticator(App.Account.Credentials.UserName, App.Account.Credentials.Password); - App.Client.ExecuteAsync>(request, ProcessResponse); - IsDataLoading = true; - } - - void ProcessResponse(IRestResponse> response) - { - IsDataLoading = false; - if (response.StatusCode != HttpStatusCode.OK) - { - MessageBox.Show(response.StatusCode.ToString()); - return; - } - - //Items.Clear(); - foreach (var post in response.Data) - { - var status = string.Format("Posted on: {0}, replies: {1}", post.Timestamp, post.Replies); - var item = new MessageViewModel(post) - { - Status = status, - AvatarUri = new Uri(string.Format("http://i.juick.com/as/{0}.png", post.User.Uid), UriKind.Absolute) - }; - if (post.Photo != null) - { - item.Attachment = new Uri(post.Photo.Small, UriKind.Absolute) ; - } - Items.Add(item); - } - } - - - public event PropertyChangedEventHandler PropertyChanged; - - public void NotifyPropertyChanged(string propertyName) - { - if (PropertyChanged != null) - { - PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); - } - } - } -} diff --git a/Juick/ViewModels/MessageViewModel.cs b/Juick/ViewModels/MessageViewModel.cs deleted file mode 100644 index 750864a..0000000 --- a/Juick/ViewModels/MessageViewModel.cs +++ /dev/null @@ -1,186 +0,0 @@ -using System; -using System.ComponentModel; -using System.Net; -using System.Windows.Media.Imaging; -using JuickApi; - -namespace Juick.ViewModels -{ - public class MessageViewModel : INotifyPropertyChanged - { - public MessageViewModel() - { - - } - - public MessageViewModel(Message message) - { - MID = message.Mid; - MessageUri = string.Format("/ThreadView.xaml?mid={0}", MID); - RID = message.Rid; - Username = message.User.UName; - MessageText = HttpUtility.HtmlDecode(message.Body); - - if (message.Tags != null) - { - MessageText = string.Join(", ", message.Tags) + Environment.NewLine + MessageText; - } - } - private int _mid; - /// - /// Sample _viewModelBase property; this property is used in the view to display its value using a Binding. - /// - /// - public int MID - { - get - { - return _mid; - } - set - { - if (value != _mid) - { - _mid = value; - NotifyPropertyChanged("MID"); - } - } - } - - private int _rid; - /// - /// Sample _viewModelBase property; this property is used in the view to display its value using a Binding. - /// - /// - public int RID - { - get - { - return _rid; - } - set - { - if (value != _rid) - { - _rid = value; - NotifyPropertyChanged("RID"); - } - } - } - private string _username; - /// - /// Sample _viewModelBase property; this property is used in the view to display its value using a Binding. - /// - /// - public string Username - { - get - { - return _username; - } - set - { - if (value != _username) - { - _username = value; - NotifyPropertyChanged("Username"); - } - } - } - - private Uri _avatarUri; - public Uri AvatarUri - { - get { return _avatarUri; } - set - { - if (value != _avatarUri) - { - _avatarUri = value; - NotifyPropertyChanged("AvatarUri"); - } - } - } - - private Uri _attach; - public Uri Attachment - { - get { return _attach; } - set - { - if (value != _attach) - { - _attach = value; - NotifyPropertyChanged("Attachment"); - } - } - } - - private string _messageText; - /// - /// Sample _viewModelBase property; this property is used in the view to display its value using a Binding. - /// - /// - public string MessageText - { - get - { - return _messageText; - } - set - { - if (value != _messageText) - { - _messageText = value; - NotifyPropertyChanged("MessageText"); - } - } - } - - private string _status; - - - /// - /// Sample _viewModelBase property; this property is used in the view to display its value using a Binding. - /// - /// - public string Status - { - get - { - return _status; - } - set - { - if (value != _status) - { - _status = value; - NotifyPropertyChanged("Status"); - } - } - } - - private string _messageUri; - - public string MessageUri - { - get { return _messageUri; } - set - { - _messageUri = value; - NotifyPropertyChanged("MessageUri"); - } - } - - public event PropertyChangedEventHandler PropertyChanged; - - public void NotifyPropertyChanged(String propertyName) - { - PropertyChangedEventHandler handler = PropertyChanged; - if (null != handler) - { - handler(this, new PropertyChangedEventArgs(propertyName)); - } - } - } -} \ No newline at end of file diff --git a/Juick/ViewModels/PostItem.cs b/Juick/ViewModels/PostItem.cs new file mode 100644 index 0000000..7e30a43 --- /dev/null +++ b/Juick/ViewModels/PostItem.cs @@ -0,0 +1,46 @@ +using System; +using System.ComponentModel; +using System.Net; +using System.Windows.Media.Imaging; +using JuickApi; + +namespace Juick.ViewModels +{ + public class PostItem + { + public PostItem() + { + + } + + public PostItem(Message message) + { + MID = message.Mid; + MessageUri = string.Format("/ThreadView.xaml?mid={0}", MID); + RID = message.Rid; + Username = message.User.UName; + MessageText = HttpUtility.HtmlDecode(message.Body); + + if (message.Tags != null) + { + MessageText = string.Join(", ", message.Tags) + Environment.NewLine + MessageText; + } + } + + public int MID {get;set;} + + public int RID {get;set;} + + public string Username {get;set;} + + public Uri AvatarUri {get;set;} + + public Uri Attachment {get;set;} + + public string MessageText {get;set;} + public string Status {get;set;} + + public string MessageUri {get;set;} + + } +} \ No newline at end of file diff --git a/Juick/ViewModels/ThreadViewModel.cs b/Juick/ViewModels/ThreadViewModel.cs index ec1f92d..1cbaab7 100644 --- a/Juick/ViewModels/ThreadViewModel.cs +++ b/Juick/ViewModels/ThreadViewModel.cs @@ -2,7 +2,7 @@ namespace Juick.ViewModels { - public class ThreadViewModel : MessageListViewModelBase + public class ThreadViewModel : ViewModelBase { static readonly string CaptionPropertyName = ExpressionHelper.GetPropertyName(x => x.Caption); diff --git a/Juick/ViewModels/ViewModelBase.cs b/Juick/ViewModels/ViewModelBase.cs new file mode 100644 index 0000000..e86ff4a --- /dev/null +++ b/Juick/ViewModels/ViewModelBase.cs @@ -0,0 +1,118 @@ +using System; +using System.Collections.Generic; +using System.Collections.ObjectModel; +using System.ComponentModel; +using System.Net; +using System.Windows; +using System.Windows.Media.Imaging; +using Juick.Classes; +using JuickApi; +using RestSharp; + +namespace Juick.ViewModels +{ + public class ViewModelBase : INotifyPropertyChanged + { + static readonly string IsDataLoadingPropertyName = ExpressionHelper.GetPropertyName(x => x.IsDataLoading); + bool isDataLoading; + + public ViewModelBase() + { + Items = new ObservableCollection(); + LoadMessagesPageCommand = new DelegateCommand(LoadData, () => !IsDataLoading); + } + + public string RestUri { get; set; } + public virtual string Caption { get { return "juick"; } } + + /// + /// A collection for MessageViewModel objects. + /// + public ObservableCollection Items { get; private set; } + + public DelegateCommand LoadMessagesPageCommand { get; private set; } + + public bool IsDataLoading + { + get { return isDataLoading; } + set + { + isDataLoading = value; + NotifyPropertyChanged(IsDataLoadingPropertyName); + LoadMessagesPageCommand.NotifyCanExecuteChanged(); + } + } + + /// + /// Creates and adds a few MessageViewModel objects into the Items collection. + /// + public void LoadData() + { + if (IsDataLoading) { + return; + } + + const int PageSize = 1; + + if (string.IsNullOrEmpty(RestUri)) + { + RestUri = "/home?1=1"; + } + + // super-костыли + // todo: rewrite + else if (RestUri.StartsWith("/home?", StringComparison.InvariantCulture) && Items.Count > 0) + { + var lastItem = Items[Items.Count - 1]; + RestUri = string.Format("/home?before_mid={0}&page={1}", lastItem.MID, PageSize); + } + else if (RestUri.StartsWith("/messages?", StringComparison.InvariantCulture) && Items.Count > 0) + { + var lastItem = Items[Items.Count - 1]; + RestUri = string.Format("/messages?before_mid={0}&page={1}", lastItem.MID, PageSize); + } + + var request = new RestRequest(RestUri + "&rnd=" + Environment.TickCount); + App.Client.Authenticator = new HttpBasicAuthenticator(App.Account.Credentials.UserName, App.Account.Credentials.Password); + App.Client.ExecuteAsync>(request, ProcessResponse); + IsDataLoading = true; + } + + void ProcessResponse(IRestResponse> response) + { + IsDataLoading = false; + if (response.StatusCode != HttpStatusCode.OK) + { + MessageBox.Show(response.StatusCode.ToString()); + return; + } + + //Items.Clear(); + foreach (var post in response.Data) + { + var status = string.Format("Posted on: {0}, replies: {1}", post.Timestamp, post.Replies); + var item = new PostItem(post) + { + Status = status, + AvatarUri = new Uri(string.Format("http://i.juick.com/as/{0}.png", post.User.Uid), UriKind.Absolute) + }; + if (post.Photo != null) + { + item.Attachment = new Uri(post.Photo.Small, UriKind.Absolute) ; + } + Items.Add(item); + } + } + + + public event PropertyChangedEventHandler PropertyChanged; + + public void NotifyPropertyChanged(string propertyName) + { + if (PropertyChanged != null) + { + PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); + } + } + } +} -- cgit v1.2.3