void Matrix::deleteSelectedColumns()
{
QItemSelectionModel *selModel = d_table_view->selectionModel();
if (!selModel || !selModel->hasSelection())
return;
int startCol = -1;
int count = 0;
int cols = numCols();
for (int i=0; i<cols; i++){
if (selModel->isColumnSelected(i, QModelIndex())){
if (startCol < 0)
startCol = i;
++count;
}
}
if (startCol < 0 || !count)
return;
double *buffer = d_matrix_model->dataCopy(0, numRows() - 1, startCol, startCol + count - 1);
if (buffer){
d_undo_stack->push(new MatrixDeleteColsCommand(d_matrix_model, startCol, count, buffer, tr("Delete Columns") + " " +
QString::number(startCol + 1) + " - " + QString::number(startCol + count)));
emit modifiedWindow(this);
} else if (ignoreUndo()){
d_matrix_model->removeColumns(startCol, count);
d_table_view->reset();
emit modifiedWindow(this);
}
}
int Matrix::numSelectedColumns()
{
QItemSelectionModel *selModel = d_table_view->selectionModel();
if (!selModel || !selModel->hasSelection())
return 0;
int cols = numCols();
int count = 0;
for (int i = 0; i<cols; i++){
if (selModel->isColumnSelected (i, QModelIndex()))
count++;
}
return count;
}