package net.plan99.payfile.gui;
import com.google.bitcoin.core.Address;
import com.google.bitcoin.core.AddressFormatException;
import com.google.bitcoin.core.NetworkParameters;
import javafx.scene.Node;
import javafx.scene.control.TextField;
import net.plan99.payfile.gui.utils.TextFieldValidator;
/**
* Given a text field, some network params and optionally some nodes, will make the text field an angry red colour
* if the address is invalid for those params, and enable/disable the nodes.
*/
public class BitcoinAddressValidator {
private NetworkParameters params;
private Node[] nodes;
public BitcoinAddressValidator(NetworkParameters params, TextField field, Node... nodes) {
this.params = params;
this.nodes = nodes;
// Handle the red highlighting, but don't highlight in red just when the field is empty because that makes
// the example/prompt address hard to read.
new TextFieldValidator(field, text -> text.isEmpty() || testAddr(text));
// However we do want the buttons to be disabled when empty so we apply a different test there.
field.textProperty().addListener((observableValue, prev, current) -> {
toggleButtons(current);
});
toggleButtons(field.getText());
}
private void toggleButtons(String current) {
boolean valid = testAddr(current);
for (Node n : nodes) n.setDisable(!valid);
}
private boolean testAddr(String text) {
try {
new Address(params, text);
return true;
} catch (AddressFormatException e) {
return false;
}
}
}