public void schemeEditorDelCircuit() {
        if(ce_circuit.getSelectionIndex() == -1) return;
        String circuitName = ce_circuit.getText();
        ce_circuit.remove(circuitName);
        ce_circuit2.remove(circuitName);
        
        scheme.getCircuits().remove(circuitName);
        
        schemeEditorSchemeChanged();
    }