model_loader.cpp

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/*
 The Real-Time eXperiment Interface (RTXI)
 Copyright (C) 2011 Georgia Institute of Technology, University of Utah,
 Weill Cornell Medical College

 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/>.

 */

#include <algorithm>

#include <debug.h>
#include <main_window.h>
#include <model_loader.h>

extern "C" Plugin::Object* createRTXIPlugin(void*)
{
 return new ModelLoader();
}

ModelLoader::ModelLoader(void)
{
 action = MainWindow::getInstance()->createModuleMenuItem(
 "Load Plugin", this, SLOT(load(void)));

 // Add recently used modules to the menu
 MainWindow::getInstance()->insertModuleMenuSeparator();
 QSettings userprefs;
 userprefs.setPath(QSettings::NativeFormat,
 QSettings::SystemScope,
 "/usr/local/share/rtxi/");
 userprefs.beginGroup("/recentFileList");
 QStringList entries = userprefs.childKeys();
 userprefs.endGroup();
 int numRecentFiles = entries.size();
 QString listmodule;
 QString text;
 for (int i = 0; i < std::min(numRecentFiles - 2, 10); ++i) {
 listmodule = userprefs.value("/recentFileList/" + entries[i]).toString();
 text = tr("&%1 %2").arg(i).arg(listmodule);
 MainWindow::getInstance()->createModuleMenuItem(text);
 }

 // Add recently used settings files to the menu
 userprefs.beginGroup("/recentSettingsList");
 entries = userprefs.childKeys();
 userprefs.endGroup();
 numRecentFiles = entries.size() - 1;
 for (int i = 0; i < std::min(numRecentFiles, 10); ++i) {
 listmodule =
 userprefs.value("/recentSettingsList/" + entries[i]).toString();
 text = tr("&%1 %2").arg(i).arg(listmodule);
 MainWindow::getInstance()->createFileMenuItem(text);
 }
}

ModelLoader::~ModelLoader(void)
{
 MainWindow::getInstance()->removeModuleMenuItem(action);
}

void ModelLoader::load(void)
{
 QString plugin_dir = QString(EXEC_PREFIX) + QString("/lib/rtxi/");
 QString filename = QFileDialog::getOpenFileName(
 0, tr("Load plugin"), plugin_dir, tr("Plugins (*.so);;All (*.*)"));

 if (filename.isNull() || filename.isEmpty()
 || filename.contains("model_loader") || filename.contains("analogy"))
 return;

 if (filename.startsWith(plugin_dir))
 filename.remove(0, plugin_dir.length());

 Plugin::Manager::getInstance()->load(filename.toLatin1());

 // load QSettings
 QSettings userprefs;
 userprefs.setPath(
 QSettings::NativeFormat, QSettings::SystemScope, "/usr/local/share/rtxi");

 int oldestmodule = userprefs.value("/recentFileList/start", 0).toInt();
 if (oldestmodule == 0)
 userprefs.setValue("/recentFileList/start", 0);

 int num_module = userprefs.value("/recentFileList/num", 0).toInt();
 userprefs.beginGroup("/recentFileList");
 QStringList entries = userprefs.childKeys();
 userprefs.endGroup();

 int numRecentFiles = entries.size();
 QString listmodule;

 bool doesnotexist = true;

 for (int i = 0; i < numRecentFiles; ++i) {
 listmodule = userprefs.value("/recentFileList/" + entries[i]).toString();
 if (filename == listmodule)
 doesnotexist = false;
 }
 if (doesnotexist) {
 if (num_module == 10) {
 userprefs.setValue("/recentFileList/" + QString::number(oldestmodule),
 filename);
 oldestmodule++;
 if (oldestmodule == 10)
 oldestmodule = 0;
 userprefs.setValue("/recentFileList/start", oldestmodule);
 } else {
 userprefs.setValue("/recentFileList/" + QString::number(num_module++),
 filename);
 userprefs.setValue("/recentFileList/num", num_module);
 }
 }
}