OpenTween/ListAvailable.cs

   1 // OpenTween - Client of Twitter
   2 // Copyright (c) 2007-2011 kiri_feather (@kiri_feather) <kiri.feather@gmail.com>
   3 //           (c) 2008-2011 Moz (@syo68k)
   4 //           (c) 2008-2011 takeshik (@takeshik) <http://www.takeshik.org/>
   5 //           (c) 2010-2011 anis774 (@anis774) <http://d.hatena.ne.jp/anis774/>
   6 //           (c) 2010-2011 fantasticswallow (@f_swallow) <http://twitter.com/f_swallow>
   7 // All rights reserved.
   8 //
   9 // This file is part of OpenTween.
  10 //
  11 // This program is free software; you can redistribute it and/or modify it
  12 // under the terms of the GNU General Public License as published by the Free
  13 // Software Foundation; either version 3 of the License, or (at your option)
  14 // any later version.
  15 //
  16 // This program is distributed in the hope that it will be useful, but
  17 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  18 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  19 // for more details.
  20 //
  21 // You should have received a copy of the GNU General Public License along
  22 // with this program. If not, see <http://www.gnu.org/licenses/>, or write to
  23 // the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
  24 // Boston, MA 02110-1301, USA.
  25
  26 using System;
  27 using System.Collections.Generic;
  28 using System.ComponentModel;
  29 using System.Data;
  30 using System.Drawing;
  31 using System.Linq;
  32 using System.Text;
  33 using System.Threading.Tasks;
  34 using System.Windows.Forms;
  35 using OpenTween.Models;
  36
  37 namespace OpenTween
  38 {
  39     public partial class ListAvailable : OTBaseForm
  40     {
  41         public ListElement SelectedList { get; private set; }
  42
  43         public ListAvailable()
  44             => this.InitializeComponent();
  45
  46         private void OK_Button_Click(object sender, EventArgs e)
  47         {
  48             if (this.ListsList.SelectedIndex > -1) {
  49                 this.SelectedList = (ListElement)this.ListsList.SelectedItem;
  50                 this.DialogResult = System.Windows.Forms.DialogResult.OK;
  51                 this.Close();
  52             }
  53         }
  54
  55         private void Cancel_Button_Click(object sender, EventArgs e)
  56         {
  57             this.SelectedList = null;
  58             this.DialogResult = System.Windows.Forms.DialogResult.Cancel;
  59             this.Close();
  60         }
  61
  62         private async void ListAvailable_Shown(object sender, EventArgs e)
  63         {
  64             using (ControlTransaction.Disabled(this))
  65             {
  66                 try
  67                 {
  68                     var lists = (IReadOnlyList<ListElement>)TabInformations.GetInstance().SubscribableLists;
  69                     if (lists.Count == 0)
  70                         lists = await this.FetchListsAsync();
  71
  72                     this.UpdateListsListBox(lists);
  73                 }
  74                 catch (OperationCanceledException)
  75                 {
  76                     this.DialogResult = DialogResult.Cancel;
  77                     return;
  78                 }
  79                 catch (WebApiException)
  80                 {
  81                     this.DialogResult = DialogResult.Abort;
  82                     return;
  83                 }
  84             }
  85         }
  86
  87         private void ListsList_SelectedIndexChanged(object sender, EventArgs e)
  88         {
  89             ListElement lst;
  90             if (this.ListsList.SelectedIndex > -1)
  91             {
  92                 lst = (ListElement)this.ListsList.SelectedItem;
  93             }
  94             else
  95             {
  96                 lst = null;
  97             }
  98             if (lst == null)
  99             {
 100                 this.UsernameLabel.Text = "";
 101                 this.NameLabel.Text = "";
 102                 this.StatusLabel.Text = "";
 103                 this.MemberCountLabel.Text = "0";
 104                 this.SubscriberCountLabel.Text = "0";
 105                 this.DescriptionText.Text = "";
 106             }
 107             else
 108             {
 109                 this.UsernameLabel.Text = lst.Username + " / " + lst.Nickname;
 110                 this.NameLabel.Text = lst.Name;
 111                 if (lst.IsPublic)
 112                 {
 113                     this.StatusLabel.Text = "Public";
 114                 }
 115                 else
 116                 {
 117                     this.StatusLabel.Text = "Private";
 118                 }
 119                 this.MemberCountLabel.Text = lst.MemberCount.ToString("#,##0");
 120                 this.SubscriberCountLabel.Text = lst.SubscriberCount.ToString("#,##0");
 121                 this.DescriptionText.Text = lst.Description;
 122             }
 123         }
 124
 125         private async void RefreshButton_Click(object sender, EventArgs e)
 126         {
 127             using (ControlTransaction.Disabled(this))
 128             {
 129                 try
 130                 {
 131                     var lists = await this.FetchListsAsync();
 132                     this.UpdateListsListBox(lists);
 133                 }
 134                 catch (OperationCanceledException) { }
 135                 catch (WebApiException ex)
 136                 {
 137                     MessageBox.Show("Failed to get lists. (" + ex.Message + ")");
 138                 }
 139             }
 140         }
 141
 142         private async Task<IReadOnlyList<ListElement>> FetchListsAsync()
 143         {
 144             using (var dialog = new WaitingDialog("Getting Lists..."))
 145             {
 146                 var cancellationToken = dialog.EnableCancellation();
 147
 148                 var tw = ((TweenMain)this.Owner).TwitterInstance;
 149                 var task = tw.GetListsApi();
 150                 await dialog.WaitForAsync(this, task);
 151
 152                 cancellationToken.ThrowIfCancellationRequested();
 153             }
 154
 155             return TabInformations.GetInstance().SubscribableLists;
 156         }
 157
 158         private void UpdateListsListBox(IEnumerable<ListElement> lists)
 159         {
 160             using (ControlTransaction.Update(this.ListsList))
 161             {
 162                 this.ListsList.Items.Clear();
 163                 this.ListsList.Items.AddRange(lists.ToArray());
 164                 if (this.ListsList.Items.Count > 0)
 165                 {
 166                     this.ListsList.SelectedIndex = 0;
 167                 }
 168                 else
 169                 {
 170                     this.UsernameLabel.Text = "";
 171                     this.NameLabel.Text = "";
 172                     this.StatusLabel.Text = "";
 173                     this.MemberCountLabel.Text = "0";
 174                     this.SubscriberCountLabel.Text = "0";
 175                     this.DescriptionText.Text = "";
 176                 }
 177             }
 178         }
 179     }
 180 }