/**
* Encode input String with Huffman tree
*
* @param evt
*/
private void btn_encodeActionPerformed(ActionEvent evt) {
if (tree == null) {
JOptionPane.showMessageDialog(rootPane, "Create Huffman tree first to encode text");
return;
}
String input = taInput.getText();
List<Boolean> binary = calc.encodeTree(input, tree);
StringBuilder sb = new StringBuilder();
for (boolean b : binary) {
sb.append(b ? '1' : '0');
}
taOutput.setText(sb.toString());
}
