header()->hideSection(1);
expandAll();
+ setAnimated(true);
+
setDragEnabled(true);
setAcceptDrops(true);
setDropIndicatorShown(true);
- connect(selectionModel(), SIGNAL(currentChanged(const QModelIndex &, const QModelIndex &)), model(), SLOT(changeCurrent(const QModelIndex &, const QModelIndex &)));
- connect(this, SIGNAL(doubleClicked(const QModelIndex &)), model(), SLOT(doubleClickReceived(const QModelIndex &)));
- connect(model(), SIGNAL(updateSelection(const QModelIndex &, QItemSelectionModel::SelectionFlags)), selectionModel(), SLOT(select(const QModelIndex &, QItemSelectionModel::SelectionFlags)));
+ setSortingEnabled(true);
+ sortByColumn(0, Qt::AscendingOrder);
+
+ connect(selectionModel(), SIGNAL(currentChanged(const QModelIndex &, const QModelIndex &)),
+ model(), SLOT(changeCurrent(const QModelIndex &, const QModelIndex &)));
+
+ connect(this, SIGNAL(doubleClicked(const QModelIndex &)),
+ model(), SLOT(doubleClickReceived(const QModelIndex &)));
+
+ connect(model(), SIGNAL(selectionChanged(const QModelIndex &)),
+ this, SLOT(select(const QModelIndex &)));
+
+ connect(this, SIGNAL(selectionChanged(const QModelIndex &, QItemSelectionModel::SelectionFlags)),
+ selectionModel(), SLOT(select(const QModelIndex &, QItemSelectionModel::SelectionFlags)));
}
void BufferView::setFilteredModel(QAbstractItemModel *model, BufferViewFilter::Modes mode, QStringList nets) {
BufferViewFilter *filter = new BufferViewFilter(model, mode, nets);
setModel(filter);
+ connect(this, SIGNAL(eventDropped(QDropEvent *)), filter, SLOT(dropEvent(QDropEvent *)));
+ connect(this, SIGNAL(removeBuffer(const QModelIndex &)), filter, SLOT(removeBuffer(const QModelIndex &)));
}
void BufferView::setModel(QAbstractItemModel *model) {
init();
}
-void BufferView::dragEnterEvent(QDragEnterEvent *event) {
- // not yet needed... this will be usefull to keep track of the active view when customizing them with drag and drop
- QTreeView::dragEnterEvent(event);
+void BufferView::select(const QModelIndex ¤t) {
+ emit selectionChanged(current, QItemSelectionModel::ClearAndSelect);
+}
+
+void BufferView::dropEvent(QDropEvent *event) {
+ if(event->source() != this) {
+ // another view(?) or widget is the source. maybe it's a drag 'n drop
+ // view customization -> we tell our friend the filter:
+ emit eventDropped(event);
+ }
+ // in the case that the filter did not accept the event or if it's a merge
+ QTreeView::dropEvent(event);
+}
+
+void BufferView::keyPressEvent(QKeyEvent *event) {
+ if(event->key() == Qt::Key_Backspace || event->key() == Qt::Key_Delete) {
+ event->accept();
+ QModelIndex index = selectionModel()->selectedIndexes().first();
+ if(index.isValid()) {
+ emit removeBuffer(index);
+ }
+ }
+ QTreeView::keyPressEvent(event);
}
+// ensure that newly inserted network nodes are expanded per default
void BufferView::rowsInserted(const QModelIndex & parent, int start, int end) {
- if(parent.parent() == QModelIndex()) setExpanded(parent, true);
+ if(parent == QModelIndex())
+ setExpanded(model()->index(start, 0, parent), true);
QTreeView::rowsInserted(parent, start, end);
}