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#include "widget/wlibrarysidebar.h"
#include <QFileInfo>
#include <QHeaderView>
#include <QUrl>
#include <QtDebug>
#include <QMimeData>
#include "library/sidebarmodel.h"
#include "util/dnd.h"
const int expand_time = 250;
WLibrarySidebar::WLibrarySidebar(QWidget* parent)
: QTreeView(parent),
WBaseWidget(this) {
//Set some properties
setHeaderHidden(true);
setSelectionMode(QAbstractItemView::SingleSelection);
//Drag and drop setup
setDragEnabled(false);
setDragDropMode(QAbstractItemView::DragDrop);
setDropIndicatorShown(true);
setAcceptDrops(true);
setAutoScroll(true);
setAttribute(Qt::WA_MacShowFocusRect, false);
header()->setStretchLastSection(false);
header()->setSectionResizeMode(QHeaderView::ResizeToContents);
header()->setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel);
}
void WLibrarySidebar::contextMenuEvent(QContextMenuEvent *event) {
//if (event->state() & Qt::RightButton) { //Dis shiz don werk on windowze
QModelIndex clickedItem = indexAt(event->pos());
emit(rightClicked(event->globalPos(), clickedItem));
//}
}
// Drag enter event, happens when a dragged item enters the track sources view
void WLibrarySidebar::dragEnterEvent(QDragEnterEvent * event) {
qDebug() << "WLibrarySidebar::dragEnterEvent" << event->mimeData()->formats();
if (event->mimeData()->hasUrls()) {
// We don't have a way to ask the LibraryFeatures whether to accept a
// drag so for now we accept all drags. Since almost every
// LibraryFeature accepts all files in the drop and accepts playlist
// drops we default to those flags to DragAndDropHelper.
QList<TrackFile> files = DragAndDropHelper::supportedTracksFromUrls(
event->mimeData()->urls(), false, true);
if (!files.isEmpty()) {
event->acceptProposedAction();
return;
}
}
event->ignore();
//QTreeView::dragEnterEvent(event);
}
// Drag move event, happens when a dragged item hovers over the track sources view...
void WLibrarySidebar::dragMoveEvent(QDragMoveEvent * event) {
//qDebug() << "dragMoveEvent" << event->mimeData()->formats();
// Start a timer to auto-expand sections the user hovers on.
QPoint pos = event->pos();
QModelIndex index = indexAt(pos);
if (m_hoverIndex != index) {
m_expandTimer.stop();
m_hoverIndex = index;
m_expandTimer.start(expand_time, this);
}
// This has to be here instead of after, otherwise all drags will be
// rejected -- rryan 3/2011
QTreeView::dragMoveEvent(event);
if (event->mimeData()->hasUrls()) {
QList<QUrl> urls(event->mimeData()->urls());
// Drag and drop within this widget
if ((event->source() == this)
&& (event->possibleActions() & Qt::MoveAction)) {
// Do nothing.
event->ignore();
} else {
SidebarModel* sidebarModel = dynamic_cast<SidebarModel*>(model());
bool accepted = true;
if (sidebarModel) {
accepted = false;
for (const QUrl& url : urls) {
QModelIndex destIndex = indexAt(event->pos());
if (sidebarModel->dragMoveAccept(destIndex, url)) {
// We only need one URL to be valid for us
// to accept the whole drag...
// consider we have a long list of valid files, checking all will
// take a lot of time that stales Mixxx and this makes the drop feature useless
// Eg. you may have tried to drag two MP3's and an EXE, the drop is accepted here,
// but the EXE is sorted out later after dropping
accepted = true;
break;
}
}
}
if (accepted) {
event->acceptProposedAction();
} else {
event->ignore();
}
}
} else {
event->ignore();
}
}
void WLibrarySidebar::timerEvent(QTimerEvent *event) {
if (event->timerId() == m_expandTimer.timerId()) {
QPoint pos = viewport()->mapFromGlobal(QCursor::pos());
if (viewport()->rect().contains(pos)) {
QModelIndex index = indexAt(pos);
if (m_hoverIndex == index) {
setExpanded(index, !isExpanded(index));
}
}
m_expandTimer.stop();
return;
}
QTreeView::timerEvent(event);
}
// Drag-and-drop "drop" event. Occurs when something is dropped onto the track sources view
void WLibrarySidebar::dropEvent(QDropEvent * event) {
if (event->mimeData()->hasUrls()) {
// Drag and drop within this widget
if ((event->source() == this)
&& (event->possibleActions() & Qt::MoveAction)) {
// Do nothing.
event->ignore();
} else {
//Reset the selected items (if you had anything highlighted, it clears it)
//this->selectionModel()->clear();
//Drag-and-drop from an external application or the track table widget
//eg. dragging a track from Windows Explorer onto the sidebar
SidebarModel* sidebarModel = dynamic_cast<SidebarModel*>(model());
if (sidebarModel) {
QModelIndex destIndex = indexAt(event->pos());
// event->source() will return NULL if something is dropped from
// a different application
QList<QUrl> urls(event->mimeData()->urls());
if (sidebarModel->dropAccept(destIndex, urls, event->source())) {
event->acceptProposedAction();
} else {
event->ignore();
}
}
}
//emit(trackDropped(name));
//repaintEverything();
} else {
event->ignore();
}
}
void WLibrarySidebar::toggleSelectedItem() {
QModelIndexList selectedIndices = this->selectionModel()->selectedRows();
if (selectedIndices.size() > 0) {
QModelIndex index = selectedIndices.at(0);
// Activate the item so its content shows in the main library.
emit(pressed(index));
// Expand or collapse the item as necessary.
setExpanded(index, !isExpanded(index));
}
}
bool WLibrarySidebar::isLeafNodeSelected() {
QModelIndexList selectedIndices = this->selectionModel()->selectedRows();
if (selectedIndices.size() > 0) {
QModelIndex index = selectedIndices.at(0);
if(!index.model()->hasChildren(index)) {
return true;
}
const SidebarModel* sidebarModel = dynamic_cast<const SidebarModel*>(index.model());
if (sidebarModel) {
return sidebarModel->hasTrackTable(index);
}
}
return false;
}
void WLibrarySidebar::keyPressEvent(QKeyEvent* event) {
if (event->key() == Qt::Key_Return) {
toggleSelectedItem();
return;
} else if (event->key() == Qt::Key_Down || event->key() == Qt::Key_Up) {
// Let the tree view move up and down for us.
QTreeView::keyPressEvent(event);
// But force the index to be activated/clicked after the selection
// changes. (Saves you from having to push "enter" after changing the
// selection.)
QModelIndexList selectedIndices = this->selectionModel()->selectedRows();
//Note: have to get the selected indices _after_ QTreeView::keyPressEvent()
if (selectedIndices.size() > 0) {
QModelIndex index = selectedIndices.at(0);
emit(pressed(index));
}
return;
//} else if (event->key() == Qt::Key_Enter && (event->modifiers() & Qt::AltModifier)) {
// // encoder click via "GoToItem"
// qDebug() << "GoToItem";
// TODO(xxx) decide what todo here instead of in librarycontrol
}
// Fall through to default handler.
QTreeView::keyPressEvent(event);
}
void WLibrarySidebar::selectIndex(const QModelIndex& index) {
auto pModel = new QItemSelectionModel(model());
pModel->select(index, QItemSelectionModel::Select);
setSelectionModel(pModel);
if (index.parent().isValid()) {
expand(index.parent());
}
scrollTo(index);
}
bool WLibrarySidebar::event(QEvent* pEvent) {
if (pEvent->type() == QEvent::ToolTip) {
updateTooltip();
}
return QTreeView::event(pEvent);
}
void WLibrarySidebar::slotSetFont(const QFont& font) {
setFont(font);
}
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