File indexing completed on 2024-04-28 04:33:44

 /*******************************************************************************
  * Copyright (C) 2020 by Steve Allewell                                        *
  * steve.allewell@gmail.com                                                    *
  *                                                                             *
  * 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 2 of the License, or           *
  * (at your option) any later version.                                         *
  ******************************************************************************/
 
 
 #include "MainWindow.h"
 
 #include <QFileDialog>
 #include <QTabWidget>
 #include <QUrl>
 
 #include <KActionCollection>
 #include <KSharedConfig>
 #include <KConfigGroup>
 #include <KLocalizedString>
 #include <KRecentFilesAction>
 
 #include <poppler-qt5.h>
 
 #include "ViewerTab.h"
 
 
 MainWindow::MainWindow()
     :   m_tabWidget(new QTabWidget(this))
 {
     setObjectName(QStringLiteral("MainWindow#"));
 
     m_tabWidget->setTabsClosable(true);
 
     KActionCollection *actions = actionCollection();
 
     setCentralWidget(m_tabWidget);
 
     KStandardAction::open(this, SLOT(fileOpen()), actions);
     KStandardAction::openRecent(this, SLOT(fileOpen(QUrl)), actions)->loadEntries(KConfigGroup(KSharedConfig::openConfig(), QStringLiteral("RecentFiles")));
 
     QAction *action = new QAction(i18n("Export PDF..."), this);
     connect(action, SIGNAL(triggered()), this, SLOT(fileExport()));
     actions->addAction(QStringLiteral("fileExportPDF"), action);
     action->setEnabled(false); // initially disabled when no tabs present
 
     action = KStandardAction::print(this, SLOT(filePrint()), actions);
     action->setEnabled(false); // initially disabled when no tabs present
 
     KStandardAction::quit(this, SLOT(quit()), actions);
 
     setupGUI(KXmlGuiWindow::Default, QStringLiteral("pvfViewerui.rc"));
 
     connect(m_tabWidget, SIGNAL(currentChanged(int)), this, SLOT(currentChanged(int)));
     connect(m_tabWidget, SIGNAL(tabCloseRequested(int)), this, SLOT(closeRequested(int)));
 }
 
 
 void MainWindow::fileOpen()
 {
     QList<QUrl> urls = QFileDialog::getOpenFileUrls(this, i18n("Open file"), QUrl::fromLocalFile(QDir::homePath()), i18n("Pattern Viewer File (*.pvf)"));
 
     for (QUrl url : urls) {
         fileOpen(url);
     }
 }
 
 
 void MainWindow::fileOpen(const QUrl &url)
 {
     if (!url.isValid())
         return;
 
     ViewerTab *viewerTab = new ViewerTab(m_tabWidget);
 
     if (viewerTab->load(url) == 0) {
         KRecentFilesAction *action = static_cast<KRecentFilesAction *>(actionCollection()->action(QStringLiteral("file_open_recent")));
         action->addUrl(url);
         action->saveEntries(KConfigGroup(KSharedConfig::openConfig(), QStringLiteral("RecentFiles")));
 
         m_tabWidget->setCurrentIndex(m_tabWidget->addTab(viewerTab, viewerTab->title()));
     } else {
         delete viewerTab;
     }
 }
 
 
 void MainWindow::filePrint()
 {
     static_cast<ViewerTab *>(m_tabWidget->currentWidget())->print();  // filePrint will not be enabled if there are no tabs
 }
 
 
 void MainWindow::fileExport()
 {
     if (ViewerTab *viewerTab = static_cast<ViewerTab*>(m_tabWidget->currentWidget())) {
         QUrl url = QFileDialog::getSaveFileUrl(this, i18n("Export As..."),
             QUrl::fromLocalFile(QDir::homePath()), i18n("PDF File (*.pdf)"));
 
         if (url.isValid()) {
             QFile file(url.toLocalFile());
             file.open(QIODevice::WriteOnly);
 
             QDataStream stream(&file);
 
             QByteArray pdfData = viewerTab->pdfData();
             stream.writeRawData(pdfData.constData(), pdfData.size());
 
             file.close();
         }
     }
 }
 
 
 void MainWindow::quit()
 {
     KXmlGuiWindow::close();
 }
 
 
 void MainWindow::currentChanged(int index)
 {
     if (index == -1) {
         // no more tabs, disable print and export
         actionCollection()->action("file_print")->setEnabled(false);
         actionCollection()->action("fileExportPDF")->setEnabled(false);
     } else {
         actionCollection()->action("file_print")->setEnabled(true);
         actionCollection()->action("fileExportPDF")->setEnabled(true);
     }
 }
 
 
 void MainWindow::closeRequested(int index)
 {
     QWidget *viewerTab = m_tabWidget->widget(index);
 
     m_tabWidget->removeTab(index);
     delete viewerTab;
 }
 
 #include "moc_MainWindow.cpp"