CardioCurves: mainwindow.cpp Source File

00001 /******************************************************************************
00002 *
00003 *   This file is part of Cardio Curves.
00004 *   Copyright (C) 2009 Jan Gunnar Andreassen
00005 *   Copyright (C) 2009 Lars Magne Engedal
00006 *
00007 *   Cardio Curves is free software: you can redistribute it and/or modify
00008 *   it under the terms of the GNU Lesser General Public License as published
00009 *   by the Free Software Foundation, either version 2.1 of the License, or
00010 *   (at your option) any later version.
00011 *
00012 *   Cardio Cruves is distributed in the hope that it will be useful,
00013 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 *   GNU Lesser General Public License for more details.
00016 *
00017 *   You should have received a copy of the GNU Lesser General Public License
00018 *   along with Cardio Curves.  If not, see <http://www.gnu.org/licenses/>.
00019 *
00020 *   Developer contact:
00021 *       (janislazzaroni at users.sourceforge.net)
00022 *       (engedal at users.sourceforge.net )
00023 ******************************************************************************/
00024 
00025 #include <QtGui/QMessageBox>
00026 #include <QtGui/QDockWidget>
00027 #include <QtGui/QActionGroup>
00028 #include <QtGui/QFileDialog>
00029 #include <QtGui/QPrinter>
00030 #include <QtGui/QPrintDialog>
00031 #include <QtGui/QPrintPreviewDialog>
00032 
00033 #include "mainwindow.h"
00034 #include "ui_mainwindow.h"
00035 #include "centralwidget.h"
00036 #include "navigationwidget.h"
00037 #include "mfertablewidget.h"
00038 #include "infodialog.h"
00039 #include "helpbrowser.h"
00040 
00041 MainWindow::MainWindow(QWidget *parent)
00042     : QMainWindow(parent), ui(new Ui::MainWindowClass)
00043 {
00044     ui->setupUi(this);
00045 
00046     navigationWidget = new NavigationWidget(this);
00047     navigationDockWidget = new QDockWidget("Navigation");
00048     navigationDockWidget->setWidget(navigationWidget);
00049     navigationDockWidget->setAllowedAreas(
00050         Qt::TopDockWidgetArea | Qt::BottomDockWidgetArea);
00051     navigationDockWidget->setFeatures(QDockWidget::DockWidgetMovable);
00052 
00053     addDockWidget(Qt::BottomDockWidgetArea, navigationDockWidget);
00054 
00055     ourCentralWidget = new CentralWidget(this);
00056     mferTableWidget = new MferTableWidget;
00057 
00058     setCentralWidget(ourCentralWidget);
00059     modeGroup = new QActionGroup(this);
00060     channelGroup = new QActionGroup(this);
00061     fileInfo = new InfoDialog(this);;
00062 
00063     establishConnections();
00064     hideGuiElements();
00065 }
00066 
00067 MainWindow::~MainWindow()
00068 {
00069     delete ui;
00070 }
00071 
00072 void MainWindow::establishConnections()
00073 {
00074     connect(ui->actionExit, SIGNAL(triggered()), this, SLOT(close()));
00075 
00076     modeGroup->addAction(ui->actionSingel_Channel_Mode);
00077     modeGroup->addAction(ui->actionMulti_Channel_Mode);
00078     ui->actionSingel_Channel_Mode->setChecked(true);
00079 
00080     channelGroup->addAction(ui->actionChannel_One);
00081     channelGroup->addAction(ui->actionChannel_Two);
00082     channelGroup->addAction(ui->actionChannel_Three);
00083     channelGroup->addAction(ui->actionChannel_Four);
00084     channelGroup->addAction(ui->actionChannel_Five);
00085     channelGroup->addAction(ui->actionChannel_Six);
00086     channelGroup->addAction(ui->actionChannel_Seven);
00087     channelGroup->addAction(ui->actionChannel_Eight);
00088     channelGroup->addAction(ui->actionChannel_Nine);
00089     channelGroup->addAction(ui->actionChannel_Ten);
00090     channelGroup->addAction(ui->actionChannel_Eleven);
00091     channelGroup->addAction(ui->actionChannel_Twelve);
00092     ui->actionChannel_One->setChecked(true);
00093 
00094     QList<QAction *> actionList = channelGroup->actions();
00095 
00096     foreach(QAction *action, actionList)
00097         connect(action, SIGNAL(triggered()), this, SLOT(channelChanged()));
00098 
00099     connect(ui->actionSingel_Channel_Mode, SIGNAL(triggered()),
00100         this, SLOT(modeChanged()));
00101     connect(ui->actionMulti_Channel_Mode, SIGNAL(triggered()),
00102         this, SLOT(modeChanged()));
00103     connect(ui->actionOpen, SIGNAL(triggered()), this, SLOT(open()));
00104     connect(ui->actionClose, SIGNAL(triggered()), this, SLOT(closeFile()));
00105     connect(ui->actionPrint, SIGNAL(triggered()), this, SLOT(printSlot()));
00106     connect(ui->actionPrint_Preview, SIGNAL(triggered()),
00107         this, SLOT(previewSlot()));
00108     connect(ui->actionExport_to_PDF, SIGNAL(triggered()),
00109         this, SLOT(exportSlot()));
00110 
00111     connect(navigationWidget, SIGNAL(orderNewScreen(int)),
00112         ourCentralWidget, SLOT(updateScreen(int)));
00113     connect(ourCentralWidget, SIGNAL(setupSliders(int, int, QDateTime *)),
00114         navigationWidget, SLOT(setupSliders(int, int, QDateTime *)));
00115 
00116     connect(ui->actionPatient_Information, SIGNAL(triggered()),
00117         this, SLOT(mferReaderSlot()));
00118 
00119     connect(ui->actionAbout, SIGNAL(triggered()), this, SLOT(about()));
00120     connect(ui->actionTutorial, SIGNAL(triggered()), this, SLOT(helpSlot()));
00121 
00122     connect(ui->actionZoom_in, SIGNAL(triggered()), this, SLOT(zoomInSlot()));
00123     connect(ui->actionZoom_out, SIGNAL(triggered()), this, SLOT(zoomOutSlot()));
00124 }
00125 
00126 void MainWindow::modeChanged()
00127 {
00128     if (ui->actionSingel_Channel_Mode->isChecked())
00129     {
00130         channelGroup->setExclusive(true);
00131         channelGroup->setDisabled(true);
00132         ui->actionChannel_One->setChecked(true);
00133         channelGroup->setDisabled(false);
00134         ourCentralWidget->setActiveMode(CentralWidget::SINGLECHANNEL_MODE);
00135     }
00136     else
00137     {
00138         //This is what we ought to do
00139         //channelGroup->setExclusive(false);
00140         //ourCentralWidget->setActiveMode(CentralWidget::MULTICHANNEL_MODE);
00141         //when multichannel mode is implemented. But for now:
00142 
00143         ui->actionSingel_Channel_Mode->setChecked(true);
00144         notYetImplemented(tr("The multichannel mode."));
00145         modeChanged();
00146     }
00147 }
00148 
00149 void MainWindow::open()
00150 {
00151    QString fileName = QFileDialog::getOpenFileName(this,
00152                                    tr("Open File"), ".",
00153                                    tr("MFER files (*.mwf)\n"
00154                                        "Text files (*.txt)"));
00155    if (!fileName.isEmpty())
00156    {
00157       closeFile();
00158       ourCentralWidget->setActiveMode(CentralWidget::SINGLECHANNEL_MODE);
00159       if (!ourCentralWidget->readFile(fileName))
00160       {
00161          statusBar()->showMessage(tr("Loading canceled"), 2000);
00162          ourCentralWidget->setActiveMode(CentralWidget::NODATA_MODE);
00163          hideGuiElements();
00164          return;
00165       }
00166       setWindowTitle(tr("Cardio Curves - %1").arg(fileName));
00167       statusBar()->showMessage(tr("File loaded"), 2000);
00168       showGuiElements();
00169    }
00170 }
00171 
00172 void MainWindow::closeFile()
00173 {
00174     setWindowTitle("Cardio Curves");
00175     ourCentralWidget->setActiveMode(CentralWidget::NODATA_MODE);
00176     hideGuiElements();
00177 }
00178 
00179 void MainWindow::printSlot()
00180 {
00181     //print the current selection
00182     QPrinter aPrinter;
00183     QPrintDialog printDialog(&aPrinter, this);
00184     if (printDialog.exec())
00185     {
00186         //hand the printer over to ourCentralWidget for actual printing
00187         ourCentralWidget->printSlot(&aPrinter);
00188     }
00189 }
00190 
00191 void MainWindow::previewSlot()
00192 {
00193     //preview the current selection
00194     QPrintPreviewDialog aPreview(this);
00195     aPreview.printer()->setOrientation(QPrinter::Landscape);
00196     connect(&aPreview, SIGNAL(paintRequested(QPrinter *)),
00197         ourCentralWidget, SLOT(printSlot(QPrinter *)));
00198     aPreview.exec();
00199 }
00200 
00201 void MainWindow::exportSlot()
00202 {
00203     //export to PDF the current selection
00204     QPrinter aPrinter;
00205     aPrinter.setOutputFormat(QPrinter::PdfFormat);
00206     aPrinter.setOrientation(QPrinter::Landscape);
00207 
00208     QString fileName=QFileDialog::getSaveFileName(this,
00209         "Export file name", "Savename.pdf", "PDF Documents (*.pdf)");
00210 
00211     aPrinter.setOutputFileName(fileName);
00212     ourCentralWidget->printSlot(&aPrinter);
00213 }
00214 
00215 void MainWindow::mferReaderSlot()
00216 {
00217     if (!fileInfo->isReady())
00218     {
00219         fileInfo->fillDialog(*(ourCentralWidget->getReader()));
00220 
00221     }
00222     fileInfo->showDialog();
00223 }
00224 
00225 void MainWindow::about()
00226 {
00227     QMessageBox::about(this, tr("About CardioCurves"),
00228             tr("<h2>CardioCurves 0.1</h2>"
00229                "<p>Developed at University in Agder, 2009."
00230                "<p>CardioCurves is an application that "
00231                "displays medical waveforms encoded  "
00232                "in accordance with the MFER ISO standard "
00233                "(Medical waveform Format Encoding Rules)."));
00234 }
00235 
00236 void MainWindow::notYetImplemented(QString arg)
00237 {
00238     QMessageBox::information(this, tr("Under Construction"),
00239             tr("<p>This feature has not yet been implemented: ") + arg);
00240 }
00241 
00242 void MainWindow::zoomInSlot()
00243 {
00244     notYetImplemented(tr("The zoom in function."));
00245 }
00246 
00247 void MainWindow::zoomOutSlot()
00248 {
00249     notYetImplemented(tr("The zoom out function."));
00250 }
00251 
00252 void MainWindow::channelChanged()
00253 {
00254     ui->actionChannel_One->setChecked(true);
00255     notYetImplemented(tr("Channel selection."));
00256 }
00257 
00258 void MainWindow::helpSlot()
00259 {
00260     HelpBrowser::showPage("help.html");
00261 }
00262 
00263 void MainWindow::hideGuiElements()
00264 {
00265     navigationWidget->horizontalScrollBar->setEnabled(false);
00266     navigationWidget->horizontalSlider->setEnabled(false);
00267     navigationWidget->fastBackBtn->setEnabled(false);
00268     navigationWidget->fastForwardBtn->setEnabled(false);
00269     navigationWidget->slowBackBtn->setEnabled(false);
00270     navigationWidget->slowForwardBtn->setEnabled(false);
00271     navigationWidget->skipEndBtn->setEnabled(false);
00272     navigationWidget->skipStartBtn->setEnabled(false);
00273     ui->actionPrint->setEnabled(false);
00274     ui->actionPrint_Preview->setEnabled(false);
00275     ui->actionExport_to_PDF->setEnabled(false);
00276     ui->menuView->setEnabled(false);
00277     ui->menuOptions->setEnabled(false);
00278     ui->actionClose->setEnabled(false);
00279     ui->optionsToolBar->hide();
00280     ui->ViewTollBar->hide();
00281 }
00282 
00283 void MainWindow::showGuiElements()
00284 {
00285     navigationWidget->horizontalScrollBar->setEnabled(true);
00286     navigationWidget->horizontalSlider->setEnabled(true);
00287     navigationWidget->fastBackBtn->setEnabled(true);
00288     navigationWidget->fastForwardBtn->setEnabled(true);
00289     navigationWidget->slowBackBtn->setEnabled(true);
00290     navigationWidget->slowForwardBtn->setEnabled(true);
00291     navigationWidget->skipEndBtn->setEnabled(true);
00292     navigationWidget->skipStartBtn->setEnabled(true);
00293     ui->actionPrint->setEnabled(true);
00294     ui->actionPrint_Preview->setEnabled(true);
00295     ui->actionExport_to_PDF->setEnabled(true);
00296     ui->menuView->setEnabled(true);
00297     ui->menuOptions->setEnabled(true);
00298     ui->actionClose->setEnabled(true);
00299     ui->optionsToolBar->show();
00300     ui->ViewTollBar->show();
00301 }