//---------------------------------------------------------------------------
/*
WtSelectFileDialog, Wt dialog for selecting a file
Copyright (C) 2011-2015 Richel Bilderbeek
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program.If not, see <http://www.gnu.org/licenses/>.
*/
//---------------------------------------------------------------------------
//From http://www.richelbilderbeek.nl/CppWtSelectFileDialog.htm
//---------------------------------------------------------------------------
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Weffc++"
#pragma GCC diagnostic ignored "-Wunused-local-typedefs"
#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
#include "wtselectfiledialog.h"
#include <boost/xpressive/xpressive.hpp>
#include <Wt/WBreak>
#include <Wt/WLabel>
#include <Wt/WLineEdit>
#include <Wt/WSelectionBox>
#include "fileio.h"
#include "trace.h"
#pragma GCC diagnostic pop
///The path this dialog starts at
std::string ribi::WtSelectFileDialog::m_path = "";
ribi::WtSelectFileDialog::Ui::Ui()
: m_edit_filter(new Wt::WLineEdit(".*")),
m_label_filter(new Wt::WLabel("File filter: ")),
m_selection_box(new Wt::WSelectionBox)
{
}
ribi::WtSelectFileDialog::WtSelectFileDialog()
: m_signal_selected{},
m_ui{}
{
assert(!m_path.empty()
&& "Path must be set from argv[0]:"
&& "ribi::WtSelectFileDialog::SetPath(boost::filesystem::path(argv[0]).parent_path().string());");
clear();
setContentAlignment(Wt::AlignCenter);
this->addWidget(m_ui.m_selection_box);
this->addWidget(new Wt::WBreak);
this->addWidget(m_ui.m_label_filter);
this->addWidget(m_ui.m_edit_filter);
m_ui.m_edit_filter->changed().connect(this,
&ribi::WtSelectFileDialog::OnUpdateDialog);
m_ui.m_edit_filter->enterPressed().connect(this,
&ribi::WtSelectFileDialog::OnUpdateDialog);
m_ui.m_edit_filter->keyWentUp().connect(this,
&ribi::WtSelectFileDialog::OnUpdateDialog);
m_ui.m_selection_box->activated().connect(this,
&ribi::WtSelectFileDialog::OnSelect);
m_ui.m_selection_box->clicked().connect(this,
&ribi::WtSelectFileDialog::OnSelect);
m_ui.m_selection_box->doubleClicked().connect(this,
&ribi::WtSelectFileDialog::OnSelect);
m_ui.m_selection_box->setSelectionMode(Wt::SingleSelection);
m_ui.m_selection_box->resize(400,Wt::WLength::Auto);
OnUpdateDialog();
}
void ribi::WtSelectFileDialog::DoRefresh()
{
OnUpdateDialog();
}
//const std::vector<std::string> ribi::WtSelectFileDialog::GetFilesInFolder(const std::string& folder)
//{
// assert(!m_path.empty() && "Path must be set from argv[0]");
// return fileio::FileIo().GetFilesInFolder(m_path);
//}
std::string ribi::WtSelectFileDialog::GetSelectedFile() const
{
if (m_ui.m_selection_box->currentIndex() == -1) return std::string();
return m_ui.m_selection_box->itemText(m_ui.m_selection_box->currentIndex()).toUTF8();
}
std::string ribi::WtSelectFileDialog::GetVersion()
{
return "1.5";
}
std::vector<std::string> ribi::WtSelectFileDialog::GetVersionHistory()
{
return {
"2011-07-01: version 1.0: initial version",
"2011-07-01: version 1.1: added support for setting the regex filter",
"2011-07-03: version 1.2: added support for setting the regex filter to readonly",
"2011-07-15: version 1.3: added GetPath member function, removed \'Select\' Wt::WPushButton",
"2011-10-16: version 1.4: put UI elements in Ui struct, added virtual SelectFiles member function (for Hometrainer)",
"2011-10-24: version 1.5: added DoRefresh member function"
};
}
void ribi::WtSelectFileDialog::OnUpdateDialog()
{
m_ui.m_selection_box->clear();
const std::vector<std::string> v = SelectFiles();
for(const auto s: v)
{
m_ui.m_selection_box->addItem(s.c_str());
}
}
void ribi::WtSelectFileDialog::OnSelect()
{
if (m_ui.m_selection_box->currentIndex() == -1) return;
m_signal_selected();
}
std::vector<std::string> ribi::WtSelectFileDialog::SelectFiles() const noexcept
{
try
{
boost::xpressive::sregex::compile(m_ui.m_edit_filter->text().toUTF8());
}
catch(boost::xpressive::regex_error& e)
{
return std::vector<std::string>();
}
catch (...)
{
assert(!"Should not get here");
}
//Get all filenames
const std::vector<std::string> v = fileio::FileIo().GetFilesInFolder(m_path);
//Create the regex for a correct text file
const boost::xpressive::sregex txt_file_regex
= boost::xpressive::sregex::compile(m_ui.m_edit_filter->text().toUTF8());
std::vector<std::string> w;
//Copy_if(v.begin(),v.end(),
// std::back_inserter(w),
// boost::regex_match(boost::bind(boost::lambda::_1),txt_file_regex));
//Copy all filenames matching the regex in the resulting std::vector
for(const auto s: v)
{
if (boost::xpressive::regex_match(s,txt_file_regex))
{
w.push_back(s);
}
}
std::sort(w.begin(),w.end());
return w;
}
void ribi::WtSelectFileDialog::SetFilter(const std::string& filename_filter)
{
m_ui.m_edit_filter->setText(filename_filter.c_str());
OnUpdateDialog();
}
void ribi::WtSelectFileDialog::SetFilterReadOnly(const bool readonly)
{
m_ui.m_edit_filter->setReadOnly(readonly);
}
void ribi::WtSelectFileDialog::SetPath(const std::string& path)
{
m_path = path;
}
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