UI/CommitTable.cs

   1 //Widgit is free software; you can redistribute it and/or modify
   2 //it under the terms of the GNU General Public License as published by
   3 //the Free Software Foundation; either version 2 of the License, or
   4 //(at your option) any later version.
   5
   6 //Widgit is distributed in the hope that it will be useful,
   7 //but WITHOUT ANY WARRANTY; without even the implied warranty of
   8 //MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   9 //GNU General Public License for more details.
  10
  11 //You should have received a copy of the GNU General Public License
  12 //along with Widgit; if not, write to the Free Software
  13 //Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USAusing System;
  14
  15 using System;
  16 using System.Collections.Generic;
  17 using System.ComponentModel;
  18 using System.Drawing;
  19 using System.Data;
  20 using System.Text;
  21 using System.Windows.Forms;
  22 using Git;
  23
  24 namespace Widgit
  25 {
  26     public partial class CommitTable : UserControl
  27     {
  28         protected Commit m_lastCommitInPage;
  29         protected Stack<Commit> m_topCommits = new Stack<Commit>();
  30         protected Repo m_currentRepo;
  31         protected CommitFilter m_filter;
  32
  33         public ListView.SelectedListViewItemCollection SelectedItems { get { return m_commitsView.SelectedItems; } }
  34
  35         protected Treeish m_treeish;
  36         public Treeish Treeish { get { return m_treeish; } set { m_treeish = value; } }
  37
  38         public List<string> Paths
  39         {
  40             get { return m_filter.Paths; }
  41             set
  42             {
  43                 if (null != value)
  44                 {
  45                     m_filter.Paths = value;
  46                 }
  47             }
  48         }
  49
  50         public CommitTable()
  51         {
  52             InitializeComponent();
  53         }
  54
  55         public void SetRepo(Repo repo)
  56         {
  57             m_currentRepo = repo;
  58             m_filter = new CommitFilter(repo);
  59             m_fetchCommits.Enabled = true;
  60             m_filterCommits.Enabled = true;
  61             m_commitsView.Items.Clear();
  62             m_previousCommits.Enabled = false;
  63             m_nextCommits.Enabled = false;
  64             m_topCommits.Clear();
  65             m_lastCommitInPage = null;
  66         }
  67
  68         private void OnFetchCommits(object sender, EventArgs e)
  69         {
  70             RepopulateTable();
  71         }
  72
  73         public void RepopulateTable()
  74         {
  75             List<Commit> commits;
  76             m_filter.Treeish = m_treeish;
  77             if (!m_currentRepo.GetLog(m_filter, out commits))
  78             {
  79                 MessageBox.Show("Could not get commits.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
  80                 return;
  81             }
  82             m_topCommits.Clear();
  83             if (m_topCommits.Count > 0)
  84             {
  85                 m_topCommits.Push(commits[0]);
  86             }
  87             FillCommitList(commits);
  88         }
  89
  90         private void FillCommitList(List<Commit> commits)
  91         {
  92             m_commitsView.BeginUpdate();
  93             m_commitsView.Items.Clear();
  94             foreach (Commit c in commits)
  95             {
  96                 ListViewItem i = new ListViewItem(new string[] { c.ID, c.AuthorName, c.AuthorEmail, c.Date, c.Subject });
  97                 i.Tag = c;
  98                 m_commitsView.Items.Add(i);
  99             }
 100             if (commits.Count > 0)
 101             {
 102                 m_lastCommitInPage = commits[commits.Count - 1];
 103             }
 104             m_previousCommits.Enabled = m_nextCommits.Enabled = commits.Count != 0;
 105             if (m_commitsView.Items.Count != 100)
 106             {
 107                 m_nextCommits.Enabled = false;
 108             }
 109             if (m_topCommits.Count < 2)
 110             {
 111                 m_previousCommits.Enabled = false;
 112             }
 113
 114             m_commitsView.EndUpdate();
 115         }
 116
 117         private void OnPreviousCommits(object sender, EventArgs e)
 118         {
 119             List<Commit> commits;
 120             m_topCommits.Pop();
 121             m_filter.Treeish = m_topCommits.Peek();
 122             if (!m_currentRepo.GetLog(m_filter, out commits))
 123             {
 124                 m_nextCommits.Enabled = false;
 125                 return;
 126             }
 127             if (commits.Count < 1)
 128             {
 129                 m_previousCommits.Enabled = false;
 130             }
 131             else
 132             {
 133                 FillCommitList(commits);
 134             }
 135         }
 136
 137         private void OnNextCommits(object sender, EventArgs e)
 138         {
 139             List<Commit> commits;
 140             m_filter.Treeish = m_lastCommitInPage;
 141             if (!m_currentRepo.GetLog(m_filter, out commits))
 142             {
 143                 m_nextCommits.Enabled = false;
 144                 return;
 145             }
 146             if (commits.Count < 1)
 147             {
 148                 m_nextCommits.Enabled = false;
 149             }
 150             else
 151             {
 152                 m_topCommits.Push(commits[0]);
 153                 FillCommitList(commits);
 154             }
 155         }
 156
 157         private void OnShowCommit(object sender, EventArgs e)
 158         {
 159             ListView.SelectedListViewItemCollection items = m_commitsView.SelectedItems;
 160             if (items.Count == 1)
 161             {
 162                 CommitViewer c = new CommitViewer((Commit)items[0].Tag);
 163                 c.Show();
 164             }
 165         }
 166
 167         private void OnShowFilter(object sender, EventArgs e)
 168         {
 169             if (DialogResult.OK == m_filter.ShowDialog())
 170             {
 171                 RepopulateTable();
 172             }
 173         }
 174     }
 175 }