mirror of
https://invent.kde.org/graphics/okular
synced 2024-08-25 02:45:38 +00:00
206 lines
7 KiB
C++
206 lines
7 KiB
C++
/***************************************************************************
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* Copyright (C) 2006 by Albert Astals Cid <aacid@kde.org> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#include "embeddedfilesdialog.h"
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#include <QAction>
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#include <QCursor>
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#include <QDir>
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#include <QDateTime>
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#include <QFileInfo>
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#include <QMenu>
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#include <QTreeWidget>
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#include <QTemporaryFile>
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#include <QIcon>
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#include <KLocalizedString>
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#include <QMimeType>
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#include <QMimeDatabase>
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#include <kstandardguiitem.h>
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#include <KFormat>
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#include <KConfigGroup>
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#include <QDialogButtonBox>
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#include <QPushButton>
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#include <QVBoxLayout>
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#include <krun.h>
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#include "core/document.h"
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#include "guiutils.h"
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Q_DECLARE_METATYPE( Okular::EmbeddedFile* )
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static const int EmbeddedFileRole = Qt::UserRole + 100;
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static QString dateToString( const QDateTime & date )
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{
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return date.isValid()
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? QLocale().toString( date, QLocale::LongFormat )
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: i18nc( "Unknown date", "Unknown" );
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}
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EmbeddedFilesDialog::EmbeddedFilesDialog(QWidget *parent, const Okular::Document *document) : QDialog(parent)
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{
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setWindowTitle(i18nc("@title:window", "Embedded Files"));
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QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Close);
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QVBoxLayout *mainLayout = new QVBoxLayout;
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setLayout(mainLayout);
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mUser1Button = new QPushButton;
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buttonBox->addButton(mUser1Button, QDialogButtonBox::ActionRole);
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connect(buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
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connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
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buttonBox->button(QDialogButtonBox::Close)->setDefault(true);
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KGuiItem::assign(mUser1Button, KStandardGuiItem::save());
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mUser1Button->setEnabled(false);
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mUser2Button = new QPushButton;
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buttonBox->addButton(mUser2Button, QDialogButtonBox::ActionRole);
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KGuiItem::assign(mUser2Button, KGuiItem(i18nc("@action:button", "View"), "document-open"));
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mUser2Button->setEnabled(false);
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m_tw = new QTreeWidget(this);
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mainLayout->addWidget(m_tw);
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mainLayout->addWidget(buttonBox);
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QStringList header;
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header.append(i18nc("@title:column", "Name"));
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header.append(i18nc("@title:column", "Description"));
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header.append(i18nc("@title:column", "Size"));
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header.append(i18nc("@title:column", "Created"));
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header.append(i18nc("@title:column", "Modified"));
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m_tw->setHeaderLabels(header);
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m_tw->setRootIsDecorated(false);
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m_tw->setSelectionMode(QAbstractItemView::ExtendedSelection);
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m_tw->setContextMenuPolicy(Qt::CustomContextMenu);
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foreach(Okular::EmbeddedFile* ef, *document->embeddedFiles())
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{
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QTreeWidgetItem *twi = new QTreeWidgetItem();
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twi->setText(0, ef->name());
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QMimeDatabase db;
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QMimeType mime = db.mimeTypeForFile( ef->name(), QMimeDatabase::MatchExtension);
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if (mime.isValid())
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{
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twi->setIcon(0, QIcon::fromTheme(mime.iconName()));
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}
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twi->setText(1, ef->description());
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twi->setText(2, ef->size() <= 0 ? i18nc("Not available size", "N/A") : KFormat().formatByteSize(ef->size()));
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twi->setText(3, dateToString( ef->creationDate() ) );
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twi->setText(4, dateToString( ef->modificationDate() ) );
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twi->setData( 0, EmbeddedFileRole, qVariantFromValue( ef ) );
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m_tw->addTopLevelItem(twi);
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}
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// Having filled the columns, it is nice to resize them to be able to read the contents
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for (int lv = 0; lv < m_tw->columnCount(); ++lv) {
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m_tw->resizeColumnToContents(lv);
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}
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// This is a bit dubious, but I'm not seeing a nice way to say "expand to fit contents"
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m_tw->setMinimumWidth(640);
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m_tw->updateGeometry();
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connect(mUser1Button, SIGNAL(clicked()), this, SLOT(saveFile()));
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connect(mUser2Button, SIGNAL(clicked()), this, SLOT(viewFile()));
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connect(m_tw, &QWidget::customContextMenuRequested, this, &EmbeddedFilesDialog::attachViewContextMenu);
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connect(m_tw, &QTreeWidget::itemSelectionChanged, this, &EmbeddedFilesDialog::updateSaveButton);
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connect(m_tw, &QTreeWidget::itemDoubleClicked, this, &EmbeddedFilesDialog::viewFileItem);
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}
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void EmbeddedFilesDialog::updateSaveButton()
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{
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bool enable = (m_tw->selectedItems().count() > 0);
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mUser1Button->setEnabled(enable);
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mUser2Button->setEnabled(enable);
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}
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void EmbeddedFilesDialog::saveFile()
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{
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QList<QTreeWidgetItem *> selected = m_tw->selectedItems();
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foreach(QTreeWidgetItem *twi, selected)
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{
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Okular::EmbeddedFile* ef = qvariant_cast< Okular::EmbeddedFile* >( twi->data( 0, EmbeddedFileRole ) );
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saveFile(ef);
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}
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}
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void EmbeddedFilesDialog::viewFile()
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{
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QList<QTreeWidgetItem *> selected = m_tw->selectedItems();
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foreach(QTreeWidgetItem *twi, selected)
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{
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Okular::EmbeddedFile* ef = qvariant_cast< Okular::EmbeddedFile* >( twi->data( 0, EmbeddedFileRole ) );
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viewFile( ef );
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}
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}
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void EmbeddedFilesDialog::viewFileItem( QTreeWidgetItem* item, int /*column*/ )
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{
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Okular::EmbeddedFile* ef = qvariant_cast< Okular::EmbeddedFile* >( item->data( 0, EmbeddedFileRole ) );
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viewFile( ef );
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}
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void EmbeddedFilesDialog::attachViewContextMenu( const QPoint& /*pos*/ )
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{
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QList<QTreeWidgetItem *> selected = m_tw->selectedItems();
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if ( selected.isEmpty() )
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return;
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if ( selected.size() > 1 )
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return;
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QMenu menu( this );
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QAction* saveAsAct = menu.addAction( QIcon::fromTheme( QStringLiteral("document-save-as") ), i18nc( "@action:inmenu", "&Save As..." ) );
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QAction* viewAct = menu.addAction( QIcon::fromTheme( QStringLiteral("document-open" ) ), i18nc( "@action:inmenu", "&View..." ) );
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QAction* act = menu.exec( QCursor::pos() );
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if ( !act )
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return;
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Okular::EmbeddedFile* ef = qvariant_cast< Okular::EmbeddedFile* >( selected.at( 0 )->data( 0, EmbeddedFileRole ) );
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if ( act == saveAsAct )
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{
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saveFile( ef );
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}
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else if ( act == viewAct )
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{
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viewFile( ef );
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}
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}
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void EmbeddedFilesDialog::viewFile( Okular::EmbeddedFile* ef )
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{
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// get name and extension
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QFileInfo fileInfo(ef->name());
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// save in temporary directory with a unique name resembling the attachment name,
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// using QTemporaryFile's XXXXXX placeholder
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QTemporaryFile *tmpFile = new QTemporaryFile(
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QDir::tempPath()
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+ QDir::separator()
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+ fileInfo.baseName()
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+ ".XXXXXX"
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+ (fileInfo.completeSuffix().isEmpty() ? QString("") : "." + fileInfo.completeSuffix())
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);
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GuiUtils::writeEmbeddedFile( ef, this, *tmpFile );
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// set readonly to prevent the viewer application from modifying it
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tmpFile->setPermissions( QFile::ReadOwner );
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// keep temporary file alive while the dialog is open
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m_openedFiles.push_back( QSharedPointer< QTemporaryFile >( tmpFile ) );
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// view the temporary file with the default application
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new KRun( QUrl( "file://" + tmpFile->fileName() ), this );
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}
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void EmbeddedFilesDialog::saveFile( Okular::EmbeddedFile* ef )
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{
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GuiUtils::saveEmbeddedFile( ef, this );
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}
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#include "moc_embeddedfilesdialog.cpp"
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