gui/load_projects_dialog.cpp

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*
   3  * LADI Session Handler (ladish)
   4  *
   5  * Copyright (C) 2008 Dave Robillard <dave@drobilla.net>
   6  * Copyright (C) 2008 Nedko Arnaudov <nedko@arnaudov.name>
   7  *
   8  **************************************************************************
   9  * This file contains implementation of the load project dialog
  10  **************************************************************************
  11  *
  12  * LADI Session Handler is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * LADI Session Handler is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
  24  * or write to the Free Software Foundation, Inc.,
  25  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  26  */
  27
  28 #include "common.h"
  29 #include "lash_proxy.hpp"
  30 #include "load_projects_dialog.hpp"
  31 #include "Patchage.hpp"
  32 #include "globals.hpp"
  33
  34 struct LoadProjectDialog
  35 {
  36   LoadProjectDialog();
  37
  38   void run(std::list<lash_project_info>& projects);
  39
  40   void load_selected_project();
  41   bool on_button_press_event(GdkEventButton* event_ptr);
  42   bool on_key_press_event(GdkEventKey* event_ptr);
  43
  44   int mtime_sorter(Gtk::TreeModel::iterator a, Gtk::TreeModel::iterator b);
  45
  46   struct Record : public Gtk::TreeModel::ColumnRecord
  47   {
  48     Gtk::TreeModelColumn<Glib::ustring> name;
  49     Gtk::TreeModelColumn<Glib::ustring> modified;
  50     Gtk::TreeModelColumn<Glib::ustring> description;
  51     Gtk::TreeModelColumn<time_t> mtime;
  52   };
  53
  54   Widget<Gtk::Dialog> _dialog;
  55   Widget<Gtk::TreeView> _widget;
  56   Record _columns;
  57   Glib::RefPtr<Gtk::ListStore> _model;
  58 };
  59
  60 static
  61 void
  62 convert_timestamp_to_string(
  63   const time_t timestamp,
  64   std::string& timestamp_string)
  65 {
  66   GDate mtime, now;
  67   gint days_diff;
  68   struct tm tm_mtime;
  69   time_t time_now;
  70   const gchar *format;
  71   gchar buf[256];
  72
  73   if (timestamp == 0)
  74   {
  75     timestamp_string = "Unknown";
  76     return;
  77   }
  78
  79   localtime_r(&timestamp, &tm_mtime);
  80
  81   g_date_set_time_t(&mtime, timestamp);
  82   time_now = time(NULL);
  83   g_date_set_time_t(&now, time_now);
  84
  85   days_diff = g_date_get_julian(&now) - g_date_get_julian(&mtime);
  86
  87   if (days_diff == 0)
  88   {
  89     format = "Today at %H:%M";
  90   }
  91   else if (days_diff == 1)
  92   {
  93     format = "Yesterday at %H:%M";
  94   }
  95   else
  96   {
  97     if (days_diff > 1 && days_diff < 7)
  98     {
  99       format = "%A"; /* Days from last week */
 100     }
 101     else
 102     {
 103       format = "%x"; /* Any other date */
 104     }
 105   }
 106
 107   if (strftime(buf, sizeof(buf), format, &tm_mtime) != 0)
 108   {
 109     timestamp_string = buf;
 110   }
 111   else
 112   {
 113     timestamp_string = "Unknown";
 114   }
 115 }
 116
 117
 118 LoadProjectDialog::LoadProjectDialog()
 119   : _dialog(g_xml, "load_project_dialog")
 120   , _widget(g_xml, "loadable_projects_list")
 121 {
 122   _dialog.init(g_xml, "load_project_dialog");
 123   _widget.init(g_xml, "loadable_projects_list");
 124
 125   _columns.add(_columns.name);
 126   _columns.add(_columns.modified);
 127   _columns.add(_columns.description);
 128   _columns.add(_columns.mtime);
 129
 130   _model = Gtk::ListStore::create(_columns);
 131   _widget->set_model(_model);
 132
 133   _widget->remove_all_columns();
 134
 135   _widget->append_column("Project Name", _columns.name);
 136   _widget->get_column(0)->set_sort_column(_columns.name);
 137
 138   _widget->append_column("Modified", _columns.modified);
 139   _model->set_sort_func(_columns.modified, sigc::mem_fun(this, &LoadProjectDialog::mtime_sorter));
 140   _widget->get_column(1)->set_sort_column(_columns.modified);
 141   _model->set_sort_column(_columns.modified, Gtk::SORT_ASCENDING);
 142
 143   _widget->append_column("Description", _columns.description);
 144   _widget->get_column(2)->set_sort_column(_columns.description);
 145 }
 146
 147 int
 148 LoadProjectDialog::mtime_sorter(Gtk::TreeModel::iterator a, Gtk::TreeModel::iterator b)
 149 {
 150   time_t ta = (*a)[_columns.mtime];
 151   time_t tb = (*b)[_columns.mtime];
 152
 153   return ta > tb ? -1 : (ta == tb ? 0 : 1);
 154 }
 155
 156 void
 157 LoadProjectDialog::run(std::list<lash_project_info>& projects)
 158 {
 159   Gtk::TreeModel::Row row;
 160   int result;
 161
 162   for (std::list<lash_project_info>::iterator iter = projects.begin(); iter != projects.end(); iter++)
 163   {
 164     std::string str;
 165     row = *(_model->append());
 166     row[_columns.name] = iter->name;
 167     convert_timestamp_to_string(iter->modification_time, str);
 168     row[_columns.modified] = str;
 169     row[_columns.description] = iter->description;
 170     row[_columns.mtime] = iter->modification_time;
 171   }
 172
 173   _widget->signal_button_press_event().connect(sigc::mem_fun(*this, &LoadProjectDialog::on_button_press_event), false);
 174   _widget->signal_key_press_event().connect(sigc::mem_fun(*this, &LoadProjectDialog::on_key_press_event), false);
 175
 176 loop:
 177   result = _dialog->run();
 178
 179   if (result == 2)
 180   {
 181     Glib::RefPtr<Gtk::TreeView::Selection> selection = _widget->get_selection();
 182     Gtk::TreeIter iter = selection->get_selected();
 183     if (!iter)
 184     {
 185       goto loop;
 186     }
 187
 188     Glib::ustring project_name = (*iter)[_columns.name];
 189     g_app->load_project(project_name);
 190   }
 191
 192   _dialog->hide();
 193 }
 194
 195
 196 void
 197 LoadProjectDialog::load_selected_project()
 198 {
 199   Glib::RefPtr<Gtk::TreeView::Selection> selection = _widget->get_selection();
 200   Glib::ustring name = (*selection->get_selected())[_columns.name];
 201   g_app->load_project(name);
 202   _dialog->hide();
 203 }
 204
 205
 206 bool
 207 LoadProjectDialog::on_button_press_event(GdkEventButton * event_ptr)
 208 {
 209   if (event_ptr->type == GDK_2BUTTON_PRESS && event_ptr->button == 1)
 210   {
 211     load_selected_project();
 212     return true;
 213   }
 214   return false;
 215 }
 216
 217
 218 bool
 219 LoadProjectDialog::on_key_press_event(GdkEventKey * event_ptr)
 220 {
 221   if (event_ptr->type == GDK_KEY_PRESS &&
 222       (event_ptr->keyval == GDK_Return ||
 223        event_ptr->keyval == GDK_KP_Enter))
 224   {
 225     load_selected_project();
 226     return true;
 227   }
 228
 229   return false;
 230 }
 231
 232 void run_load_project_dialog(std::list<lash_project_info>& projects)
 233 {
 234   LoadProjectDialog dialog;
 235   dialog.run(projects);
 236 }