***************************************************************************/
#include "bufferview.h"
-#include "bufferviewwidget.h"
-
-/*****************************************
-* The TreeView showing the Buffers
-*****************************************/
-BufferViewFilter::BufferViewFilter(QAbstractItemModel *model, Modes filtermode, QStringList nets, QObject *parent) : QSortFilterProxyModel(parent) {
- setSourceModel(model);
- mode = filtermode;
- networks = nets;
-
- connect(model, SIGNAL(invalidateFilter()), this, SLOT(invalidateMe()));
- connect(model, SIGNAL(updateSelection(const QModelIndex &, QItemSelectionModel::SelectionFlags)), this, SLOT(select(const QModelIndex &, QItemSelectionModel::SelectionFlags)));
-
- connect(this, SIGNAL(currentChanged(const QModelIndex &, const QModelIndex &)), model, SLOT(changeCurrent(const QModelIndex &, const QModelIndex &)));
- connect(this, SIGNAL(doubleClicked(const QModelIndex &)), model, SLOT(doubleClickReceived(const QModelIndex &)));
-}
-
-void BufferViewFilter::invalidateMe() {
- invalidateFilter();
-}
-
-void BufferViewFilter::select(const QModelIndex &index, QItemSelectionModel::SelectionFlags command) {
- emit updateSelection(mapFromSource(index), command);
-}
-
-void BufferViewFilter::changeCurrent(const QModelIndex ¤t, const QModelIndex &previous) {
- emit currentChanged(mapToSource(current), mapToSource(previous));
-}
-
-void BufferViewFilter::doubleClickReceived(const QModelIndex &clicked) {
- emit doubleClicked(mapToSource(clicked));
-}
-
-bool BufferViewFilter::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const {
- QModelIndex child = source_parent.child(source_row, 0);
- if(!child.isValid())
- return true; // can't imagine this case but true sounds good :)
-
- Buffer::Type bufferType = (Buffer::Type) child.data(BufferTreeModel::BufferTypeRole).toInt();
- if((mode & NoChannels) && bufferType == Buffer::ChannelBuffer) return false;
- if((mode & NoQueries) && bufferType == Buffer::QueryBuffer) return false;
- if((mode & NoServers) && bufferType == Buffer::ServerBuffer) return false;
-
- bool isActive = child.data(BufferTreeModel::BufferActiveRole).toBool();
- if((mode & NoActive) && isActive) return false;
- if((mode & NoInactive) && !isActive) return false;
-
- QString net = child.data(Qt::DisplayRole).toString();
- if((mode & SomeNets) && !networks.contains(net)) return false;
-
- return true;
-}
/*****************************************
* The TreeView showing the Buffers
setIndentation(10);
header()->hide();
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)));
- expandAll();
}
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);
}