void MainWindow::updateActions()
{
bool reading = _dirTreeModel->tree()->isBusy();
_ui->actionStopReading->setEnabled( reading );
_ui->actionRefreshAll->setEnabled ( ! reading );
_ui->actionAskReadCache->setEnabled ( ! reading );
_ui->actionAskWriteCache->setEnabled( ! reading );
bool haveCurrentItem = ( _selectionModel->currentItem() != 0 );
bool treeNotEmpty = ( _dirTreeModel->tree()->firstToplevel() != 0 );
_ui->actionCopyUrlToClipboard->setEnabled( haveCurrentItem );
_ui->actionGoUp->setEnabled( haveCurrentItem );
_ui->actionGoToToplevel->setEnabled( treeNotEmpty );
FileInfoSet selectedItems = _selectionModel->selectedItems();
FileInfo * sel = selectedItems.first();
bool oneDirSelected = ( selectedItems.size() == 1 ) && ( sel->isDir() );
_ui->actionMoveToTrash->setEnabled( sel && ! sel->isDotEntry() );
_ui->actionRefreshSelected->setEnabled( oneDirSelected && ! sel->isExcluded() && ! sel->isMountPoint() );
_ui->actionContinueReadingAtMountPoint->setEnabled( oneDirSelected && sel->isMountPoint() );
_ui->actionReadExcludedDirectory->setEnabled ( oneDirSelected && sel->isExcluded() );
bool showingTreemap = _ui->treemapView->isVisible();
_ui->actionTreemapZoomIn->setEnabled ( showingTreemap && _ui->treemapView->canZoomIn() );
_ui->actionTreemapZoomOut->setEnabled ( showingTreemap && _ui->treemapView->canZoomOut() );
_ui->actionResetTreemapZoom->setEnabled( showingTreemap && _ui->treemapView->canZoomOut() );
_ui->actionTreemapRebuild->setEnabled ( showingTreemap );
}
FileInfoSet Refresher::parents( const FileInfoSet children )
{
FileInfoSet parents;
foreach ( FileInfo * child, children )
{
if ( child && child->parent() )
parents << child->parent();
}
return parents.normalized();
}
void MainWindow::showSummary()
{
FileInfoSet sel = _selectionModel->selectedItems();
int count = sel.size();
if ( count <= 1 )
showCurrent( _selectionModel->currentItem() );
else
{
sel = sel.normalized();
_ui->statusBar->showMessage( tr( "%1 items selected (%2 total)" )
.arg( count )
.arg( formatSize( sel.totalSize() ) ) );
}
}
void SelectionModel::setSelectedItems( const FileInfoSet & selectedItems )
{
if ( _verbose )
logDebug() << "Selecting " << selectedItems.size() << " items" << endl;
QItemSelection sel;
foreach ( FileInfo * item, selectedItems )
{
QModelIndex index = _dirTreeModel->modelIndex( item, 0 );
if ( index.isValid() )
sel.merge( QItemSelection( index, index ), Select );
}