diff options
author | Vitaly Takmazov | 2013-03-29 13:21:34 +0400 |
---|---|---|
committer | Vitaly Takmazov | 2013-03-29 13:21:34 +0400 |
commit | 3be6eccab55ca90a060cb56882c5675a7ad875ce (patch) | |
tree | 9fe780d5ed3067b7e55aaec691e360066182778b /Juick/ViewModels | |
parent | e20d55789c6ab0c2c6324eb6806c12cc96723eca (diff) |
there is no need to implement INotifyPropertyChanged on post item
Diffstat (limited to 'Juick/ViewModels')
-rw-r--r-- | Juick/ViewModels/MessageViewModel.cs | 186 | ||||
-rw-r--r-- | Juick/ViewModels/PostItem.cs | 46 | ||||
-rw-r--r-- | Juick/ViewModels/ThreadViewModel.cs | 2 | ||||
-rw-r--r-- | Juick/ViewModels/ViewModelBase.cs (renamed from Juick/ViewModels/MessageListViewModelBase.cs) | 236 |
4 files changed, 165 insertions, 305 deletions
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;
- /// <summary>
- /// Sample _viewModelBase property; this property is used in the view to display its value using a Binding.
- /// </summary>
- /// <returns></returns>
- public int MID
- {
- get
- {
- return _mid;
- }
- set
- {
- if (value != _mid)
- {
- _mid = value;
- NotifyPropertyChanged("MID");
- }
- }
- }
-
- private int _rid;
- /// <summary>
- /// Sample _viewModelBase property; this property is used in the view to display its value using a Binding.
- /// </summary>
- /// <returns></returns>
- public int RID
- {
- get
- {
- return _rid;
- }
- set
- {
- if (value != _rid)
- {
- _rid = value;
- NotifyPropertyChanged("RID");
- }
- }
- }
- private string _username;
- /// <summary>
- /// Sample _viewModelBase property; this property is used in the view to display its value using a Binding.
- /// </summary>
- /// <returns></returns>
- 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;
- /// <summary>
- /// Sample _viewModelBase property; this property is used in the view to display its value using a Binding.
- /// </summary>
- /// <returns></returns>
- public string MessageText
- {
- get
- {
- return _messageText;
- }
- set
- {
- if (value != _messageText)
- {
- _messageText = value;
- NotifyPropertyChanged("MessageText");
- }
- }
- }
-
- private string _status;
-
-
- /// <summary>
- /// Sample _viewModelBase property; this property is used in the view to display its value using a Binding.
- /// </summary>
- /// <returns></returns>
- 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<ThreadViewModel>(x => x.Caption);
diff --git a/Juick/ViewModels/MessageListViewModelBase.cs b/Juick/ViewModels/ViewModelBase.cs index 3eb1842..e86ff4a 100644 --- a/Juick/ViewModels/MessageListViewModelBase.cs +++ b/Juick/ViewModels/ViewModelBase.cs @@ -1,118 +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 MessageListViewModelBase : INotifyPropertyChanged
- {
- static readonly string IsDataLoadingPropertyName = ExpressionHelper.GetPropertyName<MessageListViewModelBase>(x => x.IsDataLoading);
- bool isDataLoading;
-
- public MessageListViewModelBase()
- {
- Items = new ObservableCollection<MessageViewModel>();
- LoadMessagesPageCommand = new DelegateCommand(LoadData, () => !IsDataLoading);
- }
-
- public string RestUri { get; set; }
- public virtual string Caption { get { return "juick"; } }
-
- /// <summary>
- /// A collection for MessageViewModel objects.
- /// </summary>
- public ObservableCollection<MessageViewModel> Items { get; private set; }
-
- public DelegateCommand LoadMessagesPageCommand { get; private set; }
-
- public bool IsDataLoading
- {
- get { return isDataLoading; }
- set
- {
- isDataLoading = value;
- NotifyPropertyChanged(IsDataLoadingPropertyName);
- LoadMessagesPageCommand.NotifyCanExecuteChanged();
- }
- }
-
- /// <summary>
- /// Creates and adds a few MessageViewModel objects into the Items collection.
- /// </summary>
- 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<List<Message>>(request, ProcessResponse);
- IsDataLoading = true;
- }
-
- void ProcessResponse(IRestResponse<List<Message>> 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));
- }
- }
- }
-}
+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<ViewModelBase>(x => x.IsDataLoading); + bool isDataLoading; + + public ViewModelBase() + { + Items = new ObservableCollection<PostItem>(); + LoadMessagesPageCommand = new DelegateCommand(LoadData, () => !IsDataLoading); + } + + public string RestUri { get; set; } + public virtual string Caption { get { return "juick"; } } + + /// <summary> + /// A collection for MessageViewModel objects. + /// </summary> + public ObservableCollection<PostItem> Items { get; private set; } + + public DelegateCommand LoadMessagesPageCommand { get; private set; } + + public bool IsDataLoading + { + get { return isDataLoading; } + set + { + isDataLoading = value; + NotifyPropertyChanged(IsDataLoadingPropertyName); + LoadMessagesPageCommand.NotifyCanExecuteChanged(); + } + } + + /// <summary> + /// Creates and adds a few MessageViewModel objects into the Items collection. + /// </summary> + 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<List<Message>>(request, ProcessResponse); + IsDataLoading = true; + } + + void ProcessResponse(IRestResponse<List<Message>> 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)); + } + } + } +} |