src/Dialog_MetaInfo.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2014 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 2 of the License, or
   8 // (at your option) any later version, but always including the *additional*
   9 // restrictions defined in the "License.txt" file.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this program; if not, write to the Free Software Foundation, Inc.,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 // http://www.gnu.org/licenses/gpl-2.0.txt
  21 ///////////////////////////////////////////////////////////////////////////////
  22
  23 #include "Dialog_MetaInfo.h"
  24
  25 #include "Global.h"
  26 #include "Model_MetaInfo.h"
  27
  28 #include <QFileInfo>
  29 #include <QMessageBox>
  30 #include <QTimer>
  31 #include <QFileDialog>
  32 #include <QMenu>
  33
  34 #define SET_FONT_BOLD(WIDGET,BOLD) { QFont _font = WIDGET->font(); _font.setBold(BOLD); WIDGET->setFont(_font); }
  35
  36 ////////////////////////////////////////////////////////////
  37 // Constructor & Destructor
  38 ////////////////////////////////////////////////////////////
  39
  40 MetaInfoDialog::MetaInfoDialog(QWidget *parent)
  41 :
  42         QDialog(parent)
  43 {
  44         //Init the dialog, from the .ui file
  45         setupUi(this);
  46
  47         //Hide artwork
  48         frameArtwork->hide();
  49
  50         //Fix size
  51         setMinimumSize(this->size());
  52         setMaximumHeight(this->height());
  53
  54         //Setup table view
  55         tableView->verticalHeader()->setVisible(false);
  56         tableView->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
  57         tableView->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
  58         tableView->horizontalHeader()->setStretchLastSection(true);
  59
  60         //Enable up/down button
  61         connect(upButton, SIGNAL(clicked()), this, SLOT(upButtonClicked()));
  62         connect(downButton, SIGNAL(clicked()), this, SLOT(downButtonClicked()));
  63         connect(editButton, SIGNAL(clicked()), this, SLOT(editButtonClicked()));
  64
  65         //Create context menu
  66         m_contextMenuInfo = new QMenu();
  67         m_contextMenuArtwork = new QMenu();
  68         QAction *editMetaInfoAction = m_contextMenuInfo->addAction(QIcon(":/icons/table_edit.png"), tr("Edit this Information"));
  69         QAction *copyMetaInfoAction = m_contextMenuInfo->addAction(QIcon(":/icons/page_white_copy.png"), tr("Copy everything to Meta Info tab"));
  70         QAction *clearMetaInfoAction = m_contextMenuInfo->addAction(QIcon(":/icons/bin.png"), tr("Clear all Meta Info"));
  71         QAction *loadArtworkAction = m_contextMenuArtwork->addAction(QIcon(":/icons/folder_image.png"), tr("Load Artwork From File"));
  72         QAction *clearArtworkAction = m_contextMenuArtwork->addAction(QIcon(":/icons/bin.png"), tr("Clear Artwork"));
  73         SET_FONT_BOLD(editMetaInfoAction, true);
  74         SET_FONT_BOLD(loadArtworkAction, true);
  75         connect(tableView, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(infoContextMenuRequested(QPoint)));
  76         connect(labelArtwork, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(artworkContextMenuRequested(QPoint)));
  77         connect(frameArtwork, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(artworkContextMenuRequested(QPoint)));
  78         connect(editMetaInfoAction, SIGNAL(triggered(bool)), this, SLOT(editButtonClicked()));
  79         connect(copyMetaInfoAction, SIGNAL(triggered(bool)), this, SLOT(copyMetaInfoActionTriggered()));
  80         connect(clearMetaInfoAction, SIGNAL(triggered(bool)), this, SLOT(clearMetaInfoActionTriggered()));
  81         connect(loadArtworkAction, SIGNAL(triggered(bool)), this, SLOT(editButtonClicked()));
  82         connect(clearArtworkAction, SIGNAL(triggered(bool)), this, SLOT(clearArtworkActionTriggered()));
  83
  84         //Install event filter
  85         labelArtwork->installEventFilter(this);
  86
  87         //Translate
  88         labelHeaderText->setText(QString("<b>%1</b><br>%2").arg(tr("Meta Information"), tr("The following meta information have been extracted from the original file.")));
  89 }
  90
  91 MetaInfoDialog::~MetaInfoDialog(void)
  92 {
  93         LAMEXP_DELETE(m_contextMenuInfo);
  94         LAMEXP_DELETE(m_contextMenuArtwork);
  95 }
  96
  97 ////////////////////////////////////////////////////////////
  98 // Slots
  99 ////////////////////////////////////////////////////////////
 100
 101 int MetaInfoDialog::exec(AudioFileModel &audioFile, bool allowUp, bool allowDown)
 102 {
 103         MetaInfoModel *model = new MetaInfoModel(&audioFile);
 104         tableView->setModel(model);
 105         tableView->show();
 106         frameArtwork->hide();
 107         setWindowTitle(tr("Meta Information: %1").arg(QFileInfo(audioFile.filePath()).fileName()));
 108         editButton->setEnabled(true);
 109         upButton->setEnabled(allowUp);
 110         downButton->setEnabled(allowDown);
 111         buttonArtwork->setChecked(false);
 112
 113         if(!audioFile.metaInfo().cover().isEmpty())
 114         {
 115                 QImage artwork;
 116                 if(artwork.load(audioFile.metaInfo().cover()))
 117                 {
 118                         if((artwork.width() > 256) || (artwork.height() > 256))
 119                         {
 120                                 artwork = artwork.scaled(256, 256, Qt::KeepAspectRatio, Qt::SmoothTransformation);
 121                         }
 122                         labelArtwork->setPixmap(QPixmap::fromImage(artwork));
 123                 }
 124                 else
 125                 {
 126                         qWarning("Error: Failed to load cover art!");
 127                         labelArtwork->setPixmap(QPixmap::fromImage(QImage(":/images/CD.png")));
 128                 }
 129         }
 130         else
 131         {
 132                 labelArtwork->setPixmap(QPixmap::fromImage(QImage(":/images/CD.png")));
 133         }
 134
 135         int iResult = QDialog::exec();
 136
 137         tableView->setModel(NULL);
 138         LAMEXP_DELETE(model);
 139
 140         return iResult;
 141 }
 142
 143 void MetaInfoDialog::upButtonClicked(void)
 144 {
 145         done(-1);
 146 }
 147
 148 void MetaInfoDialog::downButtonClicked(void)
 149 {
 150         done(+1);
 151 }
 152
 153 void MetaInfoDialog::editButtonClicked(void)
 154 {
 155         if(!buttonArtwork->isChecked())
 156         {
 157                 dynamic_cast<MetaInfoModel*>(tableView->model())->editItem(tableView->currentIndex(), this);
 158                 return;
 159         }
 160
 161         QString fileName = QFileDialog::getOpenFileName(this, tr("Load Artwork"), QString(), QString::fromLatin1("JPEG (*.jpg);;PNG (*.png);;GIF (*.gif)"));
 162         if(!fileName.isEmpty())
 163         {
 164                 QImage artwork;
 165                 if(artwork.load(fileName))
 166                 {
 167                         if((artwork.width() > 256) || (artwork.height() > 256))
 168                         {
 169                                 artwork = artwork.scaled(256, 256, Qt::KeepAspectRatio, Qt::SmoothTransformation);
 170                         }
 171                         dynamic_cast<MetaInfoModel*>(tableView->model())->editArtwork(fileName);
 172                         labelArtwork->setPixmap(QPixmap::fromImage(artwork));
 173                 }
 174                 else
 175                 {
 176                         qWarning("Error: Failed to load cover art!");
 177                         QMessageBox::warning(this, tr("Artwork Error"), QString("<nobr>%1</nobr><br><br><nobr>%2</nobr>").arg(tr("Sorry, failed to load artwork from selected file!"), QDir::toNativeSeparators(fileName)));
 178                 }
 179         }
 180 }
 181
 182 void MetaInfoDialog::infoContextMenuRequested(const QPoint &pos)
 183 {
 184         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 185         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 186
 187         if(sender)
 188         {
 189                 if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 190                 {
 191                         m_contextMenuInfo->popup(sender->mapToGlobal(pos));
 192                 }
 193         }
 194 }
 195
 196 void MetaInfoDialog::artworkContextMenuRequested(const QPoint &pos)
 197 {
 198         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 199         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 200
 201         if(sender)
 202         {
 203                 if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 204                 {
 205                         m_contextMenuArtwork->popup(sender->mapToGlobal(pos));
 206                 }
 207         }
 208 }
 209
 210 void MetaInfoDialog::copyMetaInfoActionTriggered(void)
 211 {
 212         done(INT_MAX);
 213 }
 214
 215 void MetaInfoDialog::clearMetaInfoActionTriggered(void)
 216 {
 217         if(MetaInfoModel *model = dynamic_cast<MetaInfoModel*>(tableView->model()))
 218         {
 219                 model->clearData(true);
 220         }
 221 }
 222
 223 void MetaInfoDialog::clearArtworkActionTriggered(void)
 224 {
 225         labelArtwork->setPixmap(QPixmap::fromImage(QImage(":/images/CD.png")));
 226         dynamic_cast<MetaInfoModel*>(tableView->model())->editArtwork(QString());
 227 }
 228
 229 bool MetaInfoDialog::eventFilter(QObject *obj, QEvent *event)
 230 {
 231         if((obj == labelArtwork) && (event->type() == QEvent::MouseButtonDblClick))
 232         {
 233                 editButtonClicked();
 234                 return true;
 235         }
 236
 237         return QDialog::eventFilter(obj, event);
 238 }