src/Dialog_MetaInfo.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2011 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.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 #include "Dialog_MetaInfo.h"
  23
  24 #include "Global.h"
  25 #include "Model_MetaInfo.h"
  26
  27 #include <QFileInfo>
  28 #include <QMessageBox>
  29 #include <QTimer>
  30 #include <QFileDialog>
  31 #include <QMenu>
  32
  33 #define SET_FONT_BOLD(WIDGET,BOLD) { QFont _font = WIDGET->font(); _font.setBold(BOLD); WIDGET->setFont(_font); }
  34
  35 ////////////////////////////////////////////////////////////
  36 // Constructor & Destructor
  37 ////////////////////////////////////////////////////////////
  38
  39 MetaInfoDialog::MetaInfoDialog(QWidget *parent)
  40 :
  41         QDialog(parent)
  42 {
  43         //Init the dialog, from the .ui file
  44         setupUi(this);
  45
  46         //Hide artwork
  47         frameArtwork->hide();
  48
  49         //Fix size
  50         setMinimumSize(this->size());
  51         setMaximumHeight(this->height());
  52
  53         //Setup table view
  54         tableView->verticalHeader()->setVisible(false);
  55         tableView->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
  56         tableView->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
  57         tableView->horizontalHeader()->setStretchLastSection(true);
  58
  59         //Enable up/down button
  60         connect(upButton, SIGNAL(clicked()), this, SLOT(upButtonClicked()));
  61         connect(downButton, SIGNAL(clicked()), this, SLOT(downButtonClicked()));
  62         connect(editButton, SIGNAL(clicked()), this, SLOT(editButtonClicked()));
  63
  64         //Create context menu
  65         m_contextMenuInfo = new QMenu();
  66         m_contextMenuArtwork = new QMenu();
  67         QAction *editMetaInfoAction = m_contextMenuInfo->addAction(QIcon(":/icons/table_edit.png"), tr("Edit this Information"));
  68         QAction *copyMetaInfoAction = m_contextMenuInfo->addAction(QIcon(":/icons/page_white_copy.png"), tr("Copy everything to Meta Info tab"));
  69         QAction *clearMetaInfoAction = m_contextMenuInfo->addAction(QIcon(":/icons/bin.png"), tr("Clear all Meta Info"));
  70         QAction *loadArtworkAction = m_contextMenuArtwork->addAction(QIcon(":/icons/folder_image.png"), tr("Load Artwork From File"));
  71         QAction *clearArtworkAction = m_contextMenuArtwork->addAction(QIcon(":/icons/bin.png"), tr("Clear Artwork"));
  72         SET_FONT_BOLD(editMetaInfoAction, true);
  73         SET_FONT_BOLD(loadArtworkAction, true);
  74         connect(tableView, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(infoContextMenuRequested(QPoint)));
  75         connect(labelArtwork, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(artworkContextMenuRequested(QPoint)));
  76         connect(frameArtwork, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(artworkContextMenuRequested(QPoint)));
  77         connect(editMetaInfoAction, SIGNAL(triggered(bool)), this, SLOT(editButtonClicked()));
  78         connect(copyMetaInfoAction, SIGNAL(triggered(bool)), this, SLOT(copyMetaInfoActionTriggered()));
  79         connect(clearMetaInfoAction, SIGNAL(triggered(bool)), this, SLOT(clearMetaInfoActionTriggered()));
  80         connect(loadArtworkAction, SIGNAL(triggered(bool)), this, SLOT(editButtonClicked()));
  81         connect(clearArtworkAction, SIGNAL(triggered(bool)), this, SLOT(clearArtworkActionTriggered()));
  82
  83         //Translate
  84         labelHeaderText->setText(QString("<b>%1</b><br>%2").arg(tr("Meta Information"), tr("The following meta information have been extracted from the original file.")));
  85 }
  86
  87 MetaInfoDialog::~MetaInfoDialog(void)
  88 {
  89         LAMEXP_DELETE(m_contextMenuInfo);
  90         LAMEXP_DELETE(m_contextMenuArtwork);
  91 }
  92
  93 ////////////////////////////////////////////////////////////
  94 // Slots
  95 ////////////////////////////////////////////////////////////
  96
  97 int MetaInfoDialog::exec(AudioFileModel &audioFile, bool allowUp, bool allowDown)
  98 {
  99         MetaInfoModel *model = new MetaInfoModel(&audioFile);
 100         tableView->setModel(model);
 101         tableView->show();
 102         frameArtwork->hide();
 103         setWindowTitle(QString("Meta Information: %1").arg(QFileInfo(audioFile.filePath()).fileName()));
 104         editButton->setEnabled(true);
 105         upButton->setEnabled(allowUp);
 106         downButton->setEnabled(allowDown);
 107         buttonArtwork->setChecked(false);
 108
 109         if(!audioFile.fileCover().isEmpty())
 110         {
 111                 QImage artwork;
 112                 if(artwork.load(audioFile.fileCover()))
 113                 {
 114                         if((artwork.width() > 256) || (artwork.height() > 256))
 115                         {
 116                                 artwork = artwork.scaled(256, 256, Qt::KeepAspectRatio, Qt::SmoothTransformation);
 117                         }
 118                         labelArtwork->setPixmap(QPixmap::fromImage(artwork));
 119                 }
 120                 else
 121                 {
 122                         qWarning("Error: Failed to load cover art!");
 123                         labelArtwork->setPixmap(QPixmap::fromImage(QImage(":/images/CD.png")));
 124                 }
 125         }
 126         else
 127         {
 128                 labelArtwork->setPixmap(QPixmap::fromImage(QImage(":/images/CD.png")));
 129         }
 130
 131         int iResult = QDialog::exec();
 132
 133         tableView->setModel(NULL);
 134         LAMEXP_DELETE(model);
 135
 136         return iResult;
 137 }
 138
 139 void MetaInfoDialog::upButtonClicked(void)
 140 {
 141         done(-1);
 142 }
 143
 144 void MetaInfoDialog::downButtonClicked(void)
 145 {
 146         done(+1);
 147 }
 148
 149 void MetaInfoDialog::editButtonClicked(void)
 150 {
 151         if(!buttonArtwork->isChecked())
 152         {
 153                 dynamic_cast<MetaInfoModel*>(tableView->model())->editItem(tableView->currentIndex(), this);
 154                 return;
 155         }
 156
 157         QString fileName = QFileDialog::getOpenFileName(this, tr("Load Artwork"), QString(), QString::fromLatin1("JPEG (*.jpg);;PNG (*.png);;GIF (*.gif)"));
 158         if(!fileName.isEmpty())
 159         {
 160                 QImage artwork;
 161                 if(artwork.load(fileName))
 162                 {
 163                         if((artwork.width() > 256) || (artwork.height() > 256))
 164                         {
 165                                 artwork = artwork.scaled(256, 256, Qt::KeepAspectRatio, Qt::SmoothTransformation);
 166                         }
 167                         dynamic_cast<MetaInfoModel*>(tableView->model())->editArtwork(fileName);
 168                         labelArtwork->setPixmap(QPixmap::fromImage(artwork));
 169                 }
 170                 else
 171                 {
 172                         qWarning("Error: Failed to load cover art!");
 173                         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)));
 174                 }
 175         }
 176 }
 177
 178 void MetaInfoDialog::infoContextMenuRequested(const QPoint &pos)
 179 {
 180         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 181         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 182
 183         if(sender)
 184         {
 185                 if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 186                 {
 187                         m_contextMenuInfo->popup(sender->mapToGlobal(pos));
 188                 }
 189         }
 190 }
 191
 192 void MetaInfoDialog::artworkContextMenuRequested(const QPoint &pos)
 193 {
 194         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 195         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 196
 197         if(sender)
 198         {
 199                 if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 200                 {
 201                         m_contextMenuArtwork->popup(sender->mapToGlobal(pos));
 202                 }
 203         }
 204 }
 205
 206 void MetaInfoDialog::copyMetaInfoActionTriggered(void)
 207 {
 208         done(INT_MAX);
 209 }
 210
 211 void MetaInfoDialog::clearMetaInfoActionTriggered(void)
 212 {
 213         if(MetaInfoModel *model = dynamic_cast<MetaInfoModel*>(tableView->model()))
 214         {
 215                 model->clearData(true);
 216         }
 217 }
 218
 219 void MetaInfoDialog::clearArtworkActionTriggered(void)
 220 {
 221         labelArtwork->setPixmap(QPixmap::fromImage(QImage(":/images/CD.png")));
 222         dynamic_cast<MetaInfoModel*>(tableView->model())->editArtwork(QString());
 223 }