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