void QgsFeatureListView::selectRow( const QModelIndex &index, bool anchor )
{
QItemSelectionModel::SelectionFlags command = selectionCommand( index );
int row = index.row();
if ( anchor )
mRowAnchor = row;
if ( selectionMode() != QListView::SingleSelection
&& command.testFlag( QItemSelectionModel::Toggle ) )
{
if ( anchor )
mCtrlDragSelectionFlag = mFeatureSelectionModel->isSelected( index )
? QItemSelectionModel::Deselect : QItemSelectionModel::Select;
command &= ~QItemSelectionModel::Toggle;
command |= mCtrlDragSelectionFlag;
if ( !anchor )
command |= QItemSelectionModel::Current;
}
QModelIndex tl = model()->index( std::min( mRowAnchor, row ), 0 );
QModelIndex br = model()->index( std::max( mRowAnchor, row ), model()->columnCount() - 1 );
mFeatureSelectionModel->selectFeatures( QItemSelection( tl, br ), command );
}
void QgsFeatureSelectionModel::selectFeatures( const QItemSelection &selection, QItemSelectionModel::SelectionFlags command )
{
QgsFeatureIds ids;
foreach ( const QModelIndex index, selection.indexes() )
{
QgsFeatureId id = index.model()->data( index, QgsAttributeTableModel::FeatureIdRole ).toInt();
ids << id;
}
disconnect( mLayer, SIGNAL( selectionChanged( QgsFeatureIds, QgsFeatureIds, bool ) ), this, SLOT( layerSelectionChanged( QgsFeatureIds, QgsFeatureIds, bool ) ) );
if ( command.testFlag( QItemSelectionModel::ClearAndSelect ) )
{
if ( !mSyncEnabled )
{
mClearAndSelectBuffer = true;
foreach ( QgsFeatureId id, ids )
{
if ( !mDeselectedBuffer.remove( id ) )
{
mSelectedBuffer.insert( id );
}
}
}
else
{
void QgsFeatureSelectionModel::selectFeatures( const QItemSelection &selection, const QItemSelectionModel::SelectionFlags& command )
{
QgsFeatureIds ids;
QgsDebugMsg( QString( "Index count: %1" ).arg( selection.indexes().size() ) );
Q_FOREACH ( const QModelIndex& index, selection.indexes() )
{
QgsFeatureId id = index.model()->data( index, QgsAttributeTableModel::FeatureIdRole ).toLongLong();
ids << id;
}
disconnect( mFeatureSelectionManager, SIGNAL( selectionChanged( QgsFeatureIds, QgsFeatureIds, bool ) ), this, SLOT( layerSelectionChanged( QgsFeatureIds, QgsFeatureIds, bool ) ) );
if ( command.testFlag( QItemSelectionModel::ClearAndSelect ) )
{
if ( !mSyncEnabled )
{
mClearAndSelectBuffer = true;
Q_FOREACH ( QgsFeatureId id, ids )
{
if ( !mDeselectedBuffer.remove( id ) )
{
mSelectedBuffer.insert( id );
}
}
}
else
{
void AMActionHistoryTreeView3::mousePressEvent(QMouseEvent *event){
// Ignore mouse clicks if the cursor shows forbidden
if(shiftKeyDown_ && hasOverriddenShiftCursor_){
event->ignore();
}
// Actually handling valid shift-clicks
else if(shiftKeyDown_){
AMActionHistoryModel3 *historyModel = qobject_cast<AMActionHistoryModel3*>(model());
QModelIndex index = indexAt(event->pos());
// We can ignore: bad models, invalid indexes, not enabled indexes, and not selectable indexes
if(!historyModel || !index.isValid() || !index.flags().testFlag(Qt::ItemIsEnabled) || !index.flags().testFlag(Qt::ItemIsSelectable))
event->ignore();
// Grab current selection from model and the indices between the shift click
QItemSelection currentSelection = selectionModel()->selection();
QItemSelection newSelection = historyModel->indicesBetween(index, lastClickedIndex_);
// Call the selectionCommand function and merge the current and new selections
QItemSelectionModel::SelectionFlags command = selectionCommand(index, event);
currentSelection.merge(newSelection, command);
// Clear the selection and select the combined list
selectionModel()->clearSelection();
selectionModel()->select(currentSelection, command);
// Grab the list indices between the shift click so we can apply the right parentSelected states to them
QModelIndexList interiorIndices = newSelection.indexes();
// We only care about lists that have interior elements, the indicesBetween call returns the ends as well
if(interiorIndices.count() >= 2){
// Grab the clear flag for the signal emitted below
bool clearFlag = command.testFlag(QItemSelectionModel::Clear);
// Not sure if the indices are ordered correctly, so figure out the min and max to remove them (they should be the ends we don't care about)
QModelIndex minRowIndex = interiorIndices.at(0);
int minRowValue = minRowIndex.row();
QModelIndex maxRowIndex = interiorIndices.at(1);
int maxRowValue = maxRowIndex.row();
for(int x = 0; x < interiorIndices.count(); x++){
if(interiorIndices.at(x).row() < minRowValue){
minRowIndex = interiorIndices.at(x);
minRowValue = minRowIndex.row();
}
if(interiorIndices.at(x).row() > maxRowValue){
maxRowIndex = interiorIndices.at(x);
maxRowValue = maxRowIndex.row();
}
}
// Remove both ends
interiorIndices.removeOne(maxRowIndex);
interiorIndices.removeOne(minRowIndex);
// For all interior indices emulate a click by emitting the actuallySelectedByClicking signal ... then the regular chain of events can happen to parentSelect the children
for(int x = 0; x < interiorIndices.count(); x++)
emit actuallySelectedByClicking(interiorIndices.at(x), clearFlag);
}
// Accept the event
event->accept();
}
// Ignore mouse clicks if the cursor shows forbidden
else if(controlKeyDown_ && hasOverriddenControlCursor_){
event->ignore();
}
// Falls through, call the parent class
else
QTreeView::mousePressEvent(event);
}
