GtkCRNFileSelecter.cpp

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/* Copyright 2010-2014 CoReNum, INSA-Lyon
 * 
 * This file is part of libgtkcrnmm.
 * 
 * libgtkcrnmm is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * libgtkcrnmm is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with libgtkcrnmm.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * file: GtkCRNFileSelecter.cpp
 * \author Yann LEYDIER
 */

#include <libgtkcrnmm_config.h>
#include <CRNi18n.h>
#include <GtkCRNFileSelecter.h>
#include <CRNIO/CRNIO.h>
#include <CRNData/CRNForeach.h>

using namespace GtkCRN;

FileSelecter::FileSelecter(const crn::Path &p):
    path(p)
{
    pathdisplay.show();
    pathdisplay.set_sensitive(false);
    pack_start(pathdisplay, false, true, 0);

    Gtk::ScrolledWindow *sw = Gtk::manage(new Gtk::ScrolledWindow);
    sw->show();
    pack_start(*sw, true, true, 0);
    
    path.ToLocal();
    files = Gtk::ListStore::create(columns);
    tv.set_model(files);
    tv.append_column(_("Filename"), columns.name);
    Gtk::TreeView::Column *col = tv.get_column(0);
    if (col)
      col->set_sort_column(columns.name);
    tv.signal_row_activated().connect(sigc::mem_fun(this, &FileSelecter::on_row_activated));
    tv.show();
    sw->add(tv);
    update_files();
}

void FileSelecter::set_path(const crn::Path &p)
{
    path = p;
    path.ToLocal();
    update_files();
}

bool FileSelecter::set_selection(const crn::Path &p)
{
    for (Gtk::TreeIter it : files->children())
    {
        if (it->get_value(columns.name).c_str() == p)
        {
            tv.get_selection()->select(it);
            return true;
        }
    }
    return false;
}

crn::Path FileSelecter::get_selection() const
{
    if (tv.get_selection()->count_selected_rows() == 0)
        return "";
    Gtk::TreeIter it(tv.get_selection()->get_selected());
    return it->get_value(columns.name).c_str();
}

void FileSelecter::update_files()
{
    pathdisplay.set_text(path.CStr());
    files->clear();
    crn::IO::Directory dir(path);
    std::vector<crn::Path> dirfiles(dir.GetFiles());
    for (const crn::Path &file : dirfiles)
    {
        Gtk::TreeIter it(files->append());
        it->set_value(columns.name, Glib::ustring(file.GetFilename().CStr()));
    }
    tv.get_selection()->select(files->children()[0]);
}

void FileSelecter::on_selection_changed()
{
    selection_changed.emit(get_selection());
}

void FileSelecter::on_row_activated(const Gtk::TreeModel::Path& path, Gtk::TreeViewColumn* column)
{
    selection_activated.emit(get_selection());
}