Implement select, deselect all and delete for folder view

CTRL++ -> select pattern
CTRL+- -> deselect all
Delete -> Delete selected files

4 files changed, 80 insertions, 0 deletions

diff --git a/beetplayer.qrc b/beetplayer.qrc
index 9f495ac..5525157 100644
--- a/beetplayer.qrc
+++ b/beetplayer.qrc
@@ -25,5 +25,6 @@
         <file>splash.png</file>
         <file>gaping_ass.png</file>
         <file>fill-color.png</file>
+        <file>bizarre_amputee.png</file>
     </qresource>
 </RCC>
diff --git a/bizarre_amputee.png b/bizarre_amputee.png
new file mode 100644
index 0000000..0b1d62a
--- /dev/null
+++ b/bizarre_amputee.png
diff --git a/playerwidget.cpp b/playerwidget.cpp
index 3645442..5a69744 100644
--- a/playerwidget.cpp
+++ b/playerwidget.cpp
@@ -19,6 +19,7 @@
 #include <QSettings>
 #include <QMenu>
 #include <QMessageBox>
+#include <QInputDialog>
 #include <QApplication>
 
 #include <algorithm>
@@ -93,6 +94,15 @@ void PlayerWidget::setupGui(){
     viewAG->addAction(mSearchA);
     connect(mSearchA, SIGNAL(triggered()), this, SLOT(doFilter()));
     viewTB->addActions(viewAG->actions());
+    mSelectFilesA = new QAction(QIcon(":/bizarre_amputee.png"), tr("Select files..."), this);
+    mSelectFilesA->setShortcut(tr("CTRL++"));
+    connect(mSelectFilesA, SIGNAL(triggered()), this, SLOT(doSelectFiles()));
+    mDeselectAllA = new QAction(QIcon(":/gaping_ass.png"), tr("Clear Selection"), this);
+    mDeselectAllA->setShortcut(tr("CTRL+-"));
+    connect(mDeselectAllA, SIGNAL(triggered()), this, SLOT(doDeselect()));
+    mDeleteFilesA = new QAction(QIcon(":/delete.png"), tr("Delete files..."), this);
+    mDeleteFilesA->setShortcut(QKeySequence::Delete);
+    connect(mDeleteFilesA, SIGNAL(triggered()), this, SLOT(doDeleteFiles()));
 
     //filter
     QGroupBox *filterGB = new QGroupBox(tr("Search"));
@@ -122,6 +132,7 @@ void PlayerWidget::setupGui(){
     selViewL->addStretch();
     leftWidgetL->addLayout(selViewL);
     leftWidget->setLayout(leftWidgetL);
+    connect(this, SIGNAL(modelChanged()), this, SLOT(doModelChanged()));
 
     //now playing label
     mNowPlayingL = new QLabel;
@@ -282,6 +293,10 @@ void PlayerWidget::createActions(){
     mView->addAction(expandA);
     mView->addAction(collapseAllA);
     mView->addAction(Helper::createSeparator(this));
+    mView->addAction(mSelectFilesA);
+    mView->addAction(mDeselectAllA);
+    mView->addAction(mDeleteFilesA);
+    mView->addAction(Helper::createSeparator(this));
     mView->addAction(randomPlayA);
     mPlayListView->addAction(removeFromPlayListA);
     mPlayListView->addAction(shufflePlayistA);
@@ -578,6 +593,19 @@ void PlayerWidget::doPopulateByFolder(QString dir){
     }
     mView->setModel(mFolderModel);
     emit viewModeChanged(tr("Folder"));
+    emit modelChanged();
+}
+
+void PlayerWidget::doModelChanged(){
+    if(mCurrentModel == mFolderModel){
+        mSelectFilesA->setEnabled(true);
+        mDeselectAllA->setEnabled(true);
+        mDeleteFilesA->setEnabled(true);
+    }else{
+        mSelectFilesA->setEnabled(false);
+        mDeselectAllA->setEnabled(false);
+        mDeleteFilesA->setEnabled(false);
+    }
 }
 
 void PlayerWidget::viewDoubleClicked(const QModelIndex &idx){
@@ -648,6 +676,44 @@ void PlayerWidget::doPlayOrPause(){
     }
 }
 
+void PlayerWidget::doSelectFiles(){
+    bool ok;
+    QString pattern = QInputDialog::getText(this, tr("Select files..."), tr("Pattern:"), QLineEdit::Normal, QString(), &ok);
+    if(ok && !pattern.isEmpty()){
+        QList<QStandardItem*> items = mFolderModel->findItems(pattern, Qt::MatchWildcard);
+        mView->selectionModel()->clear();
+        foreach(QStandardItem *i, items){
+            QModelIndex idx = mFolderModel->indexFromItem(i);
+            mView->selectionModel()->select(idx, QItemSelectionModel::Rows | QItemSelectionModel::Toggle);
+        }
+    }
+}
+
+void PlayerWidget::doDeselect(){
+    mView->selectionModel()->clearSelection();
+}
+
+void PlayerWidget::doDeleteFiles(){
+    QModelIndexList sel = mView->selectionModel()->selectedRows();
+    if(!sel.isEmpty()){
+        QString msg = QString(tr("Really delete %1 file(s)?")).arg(QString::number(sel.count()));
+        int r = QMessageBox::question(this, tr("Delete files..."), msg);
+        if(r == QMessageBox::Yes){
+            foreach(QModelIndex i, sel){
+                QString cur = i.data(FullPathRole).toString();
+                QFileInfo file(cur);
+                if(file.isFile()){
+                    QFile::remove(cur);
+                }
+                if(file.isDir()){
+                    file.dir().removeRecursively();
+                }
+            }
+            doPopulateByFolder();
+        }
+    }
+}
+
 void PlayerWidget::volumeUp(){
     adjustVolume(2);
 }
@@ -721,6 +787,7 @@ void PlayerWidget::doPopulateByArtist(){
     mViewByArtistA->setChecked(true);
     emit viewModeChanged(tr("Artist"));
     emit message(QString(tr("Done!")));
+    emit modelChanged();
 }
 
 void PlayerWidget::doPopulateByAlbum(){
@@ -736,6 +803,7 @@ void PlayerWidget::doPopulateByAlbum(){
     qApp->restoreOverrideCursor();
     emit viewModeChanged(tr("Album"));
     emit message(QString(tr("Done!")));
+    emit modelChanged();
 }
 
 void PlayerWidget::doPopulateByGenre(){
@@ -751,6 +819,7 @@ void PlayerWidget::doPopulateByGenre(){
     qApp->restoreOverrideCursor();
     emit viewModeChanged(tr("Genre"));
     emit message(QString(tr("Done!")));
+    emit modelChanged();
 }
 
 void PlayerWidget::doPopulateBySong(){
@@ -766,6 +835,7 @@ void PlayerWidget::doPopulateBySong(){
     qApp->restoreOverrideCursor();
     emit viewModeChanged(tr("Song"));
     emit message(QString(tr("Done!")));
+    emit modelChanged();
 }
 
 void PlayerWidget::doFilter(){
@@ -790,6 +860,7 @@ void PlayerWidget::doFilter(){
     populateBySong(root, filter, FilterType);
     qApp->restoreOverrideCursor();
     emit viewModeChanged(tr("Search"));
+    emit modelChanged();
 }
 
 void PlayerWidget::clearFilter(){
diff --git a/playerwidget.h b/playerwidget.h
index 2c5542b..0a1a9c2 100644
--- a/playerwidget.h
+++ b/playerwidget.h
@@ -33,11 +33,15 @@ class PlayerWidget : public QWidget {
         void doPopulateByGenre();
         void doPopulateBySong();
         void doPopulateByFolder(QString dir = QString());
+        void doModelChanged();
         void viewDoubleClicked(const QModelIndex &idx);
         void doPlay();
         void doStop();
         void doPause();
         void doPlayOrPause();
+        void doSelectFiles();
+        void doDeselect();
+        void doDeleteFiles();
         void volumeUp();
         void volumeDown();
         void doFilter();
@@ -68,6 +72,7 @@ class PlayerWidget : public QWidget {
         void numFilesChanged(int numFiles);
         void playListLengthChanged(quint64 secs);
         void message(const QString &msg);
+        void modelChanged();
         void setWinTitle(const QString &title);
 
     private:
@@ -104,6 +109,9 @@ class PlayerWidget : public QWidget {
         QAction *mPauseA;
         QAction *mSearchA;
         QAction *mViewByArtistA;
+        QAction *mSelectFilesA;
+        QAction *mDeselectAllA;
+        QAction *mDeleteFilesA;
         qint64 mDurSecs;
         quint64 mPlayListLength;
         QString mCurDir;