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         private ListElement _selectedList = null;
  42         public ListElement SelectedList
  43         {
  44             get
  45             {
  46                 return _selectedList;
  47             }
  48         }
  49
  50         public ListAvailable()
  51         {
  52             InitializeComponent();
  53         }
  54
  55         private void OK_Button_Click(object sender, EventArgs e)
  56         {
  57             if (this.ListsList.SelectedIndex > -1) {
  58                 _selectedList = (ListElement)this.ListsList.SelectedItem;
  59                 this.DialogResult = System.Windows.Forms.DialogResult.OK;
  60                 this.Close();
  61             }
  62         }
  63
  64         private void Cancel_Button_Click(object sender, EventArgs e)
  65         {
  66             _selectedList = null;
  67             this.DialogResult = System.Windows.Forms.DialogResult.Cancel;
  68             this.Close();
  69         }
  70
  71         private async void ListAvailable_Shown(object sender, EventArgs e)
  72         {
  73             using (ControlTransaction.Disabled(this))
  74             {
  75                 try
  76                 {
  77                     var lists = (IReadOnlyList<ListElement>)TabInformations.GetInstance().SubscribableLists;
  78                     if (lists.Count == 0)
  79                         lists = await this.FetchListsAsync();
  80
  81                     this.UpdateListsListBox(lists);
  82                 }
  83                 catch (OperationCanceledException)
  84                 {
  85                     this.DialogResult = DialogResult.Cancel;
  86                     return;
  87                 }
  88                 catch (WebApiException)
  89                 {
  90                     this.DialogResult = DialogResult.Abort;
  91                     return;
  92                 }
  93             }
  94         }
  95
  96         private void ListsList_SelectedIndexChanged(object sender, EventArgs e)
  97         {
  98             ListElement lst;
  99             if (this.ListsList.SelectedIndex > -1)
 100             {
 101                 lst = (ListElement)this.ListsList.SelectedItem;
 102             }
 103             else
 104             {
 105                 lst = null;
 106             }
 107             if (lst == null)
 108             {
 109                 this.UsernameLabel.Text = "";
 110                 this.NameLabel.Text = "";
 111                 this.StatusLabel.Text = "";
 112                 this.MemberCountLabel.Text = "0";
 113                 this.SubscriberCountLabel.Text = "0";
 114                 this.DescriptionText.Text = "";
 115             }
 116             else
 117             {
 118                 this.UsernameLabel.Text = lst.Username + " / " + lst.Nickname;
 119                 this.NameLabel.Text = lst.Name;
 120                 if (lst.IsPublic)
 121                 {
 122                     this.StatusLabel.Text = "Public";
 123                 }
 124                 else
 125                 {
 126                     this.StatusLabel.Text = "Private";
 127                 }
 128                 this.MemberCountLabel.Text = lst.MemberCount.ToString("#,##0");
 129                 this.SubscriberCountLabel.Text = lst.SubscriberCount.ToString("#,##0");
 130                 this.DescriptionText.Text = lst.Description;
 131             }
 132         }
 133
 134         private async void RefreshButton_Click(object sender, EventArgs e)
 135         {
 136             using (ControlTransaction.Disabled(this))
 137             {
 138                 try
 139                 {
 140                     var lists = await this.FetchListsAsync();
 141                     this.UpdateListsListBox(lists);
 142                 }
 143                 catch (OperationCanceledException) { }
 144                 catch (WebApiException ex)
 145                 {
 146                     MessageBox.Show("Failed to get lists. (" + ex.Message + ")");
 147                 }
 148             }
 149         }
 150
 151         private async Task<IReadOnlyList<ListElement>> FetchListsAsync()
 152         {
 153             using (var dialog = new WaitingDialog("Getting Lists..."))
 154             {
 155                 var cancellationToken = dialog.EnableCancellation();
 156
 157                 var tw = ((TweenMain)this.Owner).TwitterInstance;
 158                 var task = tw.GetListsApi();
 159                 await dialog.WaitForAsync(this, task);
 160
 161                 cancellationToken.ThrowIfCancellationRequested();
 162             }
 163
 164             return TabInformations.GetInstance().SubscribableLists;
 165         }
 166
 167         private void UpdateListsListBox(IEnumerable<ListElement> lists)
 168         {
 169             using (ControlTransaction.Update(this.ListsList))
 170             {
 171                 this.ListsList.Items.Clear();
 172                 this.ListsList.Items.AddRange(lists.ToArray());
 173                 if (this.ListsList.Items.Count > 0)
 174                 {
 175                     this.ListsList.SelectedIndex = 0;
 176                 }
 177                 else
 178                 {
 179                     this.UsernameLabel.Text = "";
 180                     this.NameLabel.Text = "";
 181                     this.StatusLabel.Text = "";
 182                     this.MemberCountLabel.Text = "0";
 183                     this.SubscriberCountLabel.Text = "0";
 184                     this.DescriptionText.Text = "";
 185                 }
 186             }
 187         }
 188     }
 189 }