src/Dialog_MetaInfo.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2015 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 //Internal
  26 #include "Global.h"
  27 #include "Model_MetaInfo.h"
  28
  29 //MUtils
  30 #include <MUtils/Global.h>
  31
  32 //Qt
  33 #include <QFileInfo>
  34 #include <QMessageBox>
  35 #include <QTimer>
  36 #include <QFileDialog>
  37 #include <QMenu>
  38
  39 #define SET_FONT_BOLD(WIDGET,BOLD) { QFont _font = WIDGET->font(); _font.setBold(BOLD); WIDGET->setFont(_font); }
  40
  41 ////////////////////////////////////////////////////////////
  42 // Constructor & Destructor
  43 ////////////////////////////////////////////////////////////
  44
  45 MetaInfoDialog::MetaInfoDialog(QWidget *parent)
  46 :
  47         QDialog(parent)
  48 {
  49         //Init the dialog, from the .ui file
  50         setupUi(this);
  51
  52         //Hide artwork
  53         frameArtwork->hide();
  54
  55         //Fix size
  56         setMinimumSize(this->size());
  57         setMaximumHeight(this->height());
  58
  59         //Setup table view
  60         tableView->verticalHeader()->setVisible(false);
  61         tableView->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
  62         tableView->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
  63         tableView->horizontalHeader()->setStretchLastSection(true);
  64
  65         //Enable up/down button
  66         connect(upButton, SIGNAL(clicked()), this, SLOT(upButtonClicked()));
  67         connect(downButton, SIGNAL(clicked()), this, SLOT(downButtonClicked()));
  68         connect(editButton, SIGNAL(clicked()), this, SLOT(editButtonClicked()));
  69
  70         //Create context menu
  71         m_contextMenuInfo = new QMenu();
  72         m_contextMenuArtwork = new QMenu();
  73         QAction *editMetaInfoAction = m_contextMenuInfo->addAction(QIcon(":/icons/table_edit.png"), tr("Edit this Information"));
  74         QAction *copyMetaInfoAction = m_contextMenuInfo->addAction(QIcon(":/icons/page_white_copy.png"), tr("Copy everything to Meta Info tab"));
  75         QAction *clearMetaInfoAction = m_contextMenuInfo->addAction(QIcon(":/icons/bin.png"), tr("Clear all Meta Info"));
  76         QAction *loadArtworkAction = m_contextMenuArtwork->addAction(QIcon(":/icons/folder_image.png"), tr("Load Artwork From File"));
  77         QAction *clearArtworkAction = m_contextMenuArtwork->addAction(QIcon(":/icons/bin.png"), tr("Clear Artwork"));
  78         SET_FONT_BOLD(editMetaInfoAction, true);
  79         SET_FONT_BOLD(loadArtworkAction, true);
  80         connect(tableView, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(infoContextMenuRequested(QPoint)));
  81         connect(labelArtwork, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(artworkContextMenuRequested(QPoint)));
  82         connect(frameArtwork, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(artworkContextMenuRequested(QPoint)));
  83         connect(editMetaInfoAction, SIGNAL(triggered(bool)), this, SLOT(editButtonClicked()));
  84         connect(copyMetaInfoAction, SIGNAL(triggered(bool)), this, SLOT(copyMetaInfoActionTriggered()));
  85         connect(clearMetaInfoAction, SIGNAL(triggered(bool)), this, SLOT(clearMetaInfoActionTriggered()));
  86         connect(loadArtworkAction, SIGNAL(triggered(bool)), this, SLOT(editButtonClicked()));
  87         connect(clearArtworkAction, SIGNAL(triggered(bool)), this, SLOT(clearArtworkActionTriggered()));
  88
  89         //Install event filter
  90         labelArtwork->installEventFilter(this);
  91
  92         //Translate
  93         labelHeaderText->setText(QString("<b>%1</b><br>%2").arg(tr("Meta Information"), tr("The following meta information have been extracted from the original file.")));
  94 }
  95
  96 MetaInfoDialog::~MetaInfoDialog(void)
  97 {
  98         MUTILS_DELETE(m_contextMenuInfo);
  99         MUTILS_DELETE(m_contextMenuArtwork);
 100 }
 101
 102 ////////////////////////////////////////////////////////////
 103 // Slots
 104 ////////////////////////////////////////////////////////////
 105
 106 int MetaInfoDialog::exec(AudioFileModel &audioFile, bool allowUp, bool allowDown)
 107 {
 108         MetaInfoModel *model = new MetaInfoModel(&audioFile);
 109         tableView->setModel(model);
 110         tableView->show();
 111         frameArtwork->hide();
 112         setWindowTitle(tr("Meta Information: %1").arg(QFileInfo(audioFile.filePath()).fileName()));
 113         editButton->setEnabled(true);
 114         upButton->setEnabled(allowUp);
 115         downButton->setEnabled(allowDown);
 116         buttonArtwork->setChecked(false);
 117
 118         if(!audioFile.metaInfo().cover().isEmpty())
 119         {
 120                 QImage artwork;
 121                 if(artwork.load(audioFile.metaInfo().cover()))
 122                 {
 123                         if((artwork.width() > 256) || (artwork.height() > 256))
 124                         {
 125                                 artwork = artwork.scaled(256, 256, Qt::KeepAspectRatio, Qt::SmoothTransformation);
 126                         }
 127                         labelArtwork->setPixmap(QPixmap::fromImage(artwork));
 128                 }
 129                 else
 130                 {
 131                         qWarning("Error: Failed to load cover art!");
 132                         labelArtwork->setPixmap(QPixmap::fromImage(QImage(":/images/CD.png")));
 133                 }
 134         }
 135         else
 136         {
 137                 labelArtwork->setPixmap(QPixmap::fromImage(QImage(":/images/CD.png")));
 138         }
 139
 140         int iResult = QDialog::exec();
 141
 142         tableView->setModel(NULL);
 143         MUTILS_DELETE(model);
 144
 145         return iResult;
 146 }
 147
 148 void MetaInfoDialog::upButtonClicked(void)
 149 {
 150         done(-1);
 151 }
 152
 153 void MetaInfoDialog::downButtonClicked(void)
 154 {
 155         done(+1);
 156 }
 157
 158 void MetaInfoDialog::editButtonClicked(void)
 159 {
 160         if(!buttonArtwork->isChecked())
 161         {
 162                 dynamic_cast<MetaInfoModel*>(tableView->model())->editItem(tableView->currentIndex(), this);
 163                 return;
 164         }
 165
 166         QString fileName = QFileDialog::getOpenFileName(this, tr("Load Artwork"), QString(), QString::fromLatin1("JPEG (*.jpg);;PNG (*.png);;GIF (*.gif)"));
 167         if(!fileName.isEmpty())
 168         {
 169                 QImage artwork;
 170                 if(artwork.load(fileName))
 171                 {
 172                         if((artwork.width() > 256) || (artwork.height() > 256))
 173                         {
 174                                 artwork = artwork.scaled(256, 256, Qt::KeepAspectRatio, Qt::SmoothTransformation);
 175                         }
 176                         dynamic_cast<MetaInfoModel*>(tableView->model())->editArtwork(fileName);
 177                         labelArtwork->setPixmap(QPixmap::fromImage(artwork));
 178                 }
 179                 else
 180                 {
 181                         qWarning("Error: Failed to load cover art!");
 182                         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)));
 183                 }
 184         }
 185 }
 186
 187 void MetaInfoDialog::infoContextMenuRequested(const QPoint &pos)
 188 {
 189         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 190         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 191
 192         if(sender)
 193         {
 194                 if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 195                 {
 196                         m_contextMenuInfo->popup(sender->mapToGlobal(pos));
 197                 }
 198         }
 199 }
 200
 201 void MetaInfoDialog::artworkContextMenuRequested(const QPoint &pos)
 202 {
 203         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 204         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 205
 206         if(sender)
 207         {
 208                 if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 209                 {
 210                         m_contextMenuArtwork->popup(sender->mapToGlobal(pos));
 211                 }
 212         }
 213 }
 214
 215 void MetaInfoDialog::copyMetaInfoActionTriggered(void)
 216 {
 217         done(INT_MAX);
 218 }
 219
 220 void MetaInfoDialog::clearMetaInfoActionTriggered(void)
 221 {
 222         if(MetaInfoModel *model = dynamic_cast<MetaInfoModel*>(tableView->model()))
 223         {
 224                 model->clearData(true);
 225         }
 226 }
 227
 228 void MetaInfoDialog::clearArtworkActionTriggered(void)
 229 {
 230         labelArtwork->setPixmap(QPixmap::fromImage(QImage(":/images/CD.png")));
 231         dynamic_cast<MetaInfoModel*>(tableView->model())->editArtwork(QString());
 232 }
 233
 234 bool MetaInfoDialog::eventFilter(QObject *obj, QEvent *event)
 235 {
 236         if((obj == labelArtwork) && (event->type() == QEvent::MouseButtonDblClick))
 237         {
 238                 editButtonClicked();
 239                 return true;
 240         }
 241
 242         return QDialog::eventFilter(obj, event);
 243 }