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package gjt;
import java.awt.*;
/**
* A dialog that presents a prompt and a TextField into which
* a reply may be entered. Comes complete with an Ok button
* and a Cancel button, whose uses will be left to the
* imagination.<p>
*
* @version 1.0, Apr 1 1996
* @author David Geary
* @see GJTDialog
* @see gjt.test.DialogTest
*/
public class QuestionDialog extends GJTDialog {
static private int _defaultTextFieldSize = 20;
private Button okButton;
private Button cancelButton;
private String question;
private TextField textField;
private boolean wasCancelled;
private ButtonPanel buttonPanel = new ButtonPanel();
public QuestionDialog(Frame frame, DialogClient client,
String title, String question,
String initialResponse) {
this(frame, client, title, question, initialResponse,
_defaultTextFieldSize);
}
public QuestionDialog(Frame frame, DialogClient client,
String title, String question) {
this(frame, client, title,
question, null, _defaultTextFieldSize);
}
public QuestionDialog(Frame frame, DialogClient client,
String title, String question,
int textFieldSize) {
this(frame, client, title,
question, null, textFieldSize);
}
public QuestionDialog(Frame frame, DialogClient client,
String title, String question,
String initialResponse,
int textFieldSize) {
super(frame, title, client, true);
QuestionPanel questionPanel;
okButton = buttonPanel.add("Ok");
cancelButton = buttonPanel.add("Cancel");
setLayout(new BorderLayout());
add("North", questionPanel =
new QuestionPanel(this, question,
initialResponse, textFieldSize));
add("South", buttonPanel);
textField = questionPanel.getTextField();
pack();
}
public boolean action(Event event, Object what) {
if(event.target == cancelButton) wasCancelled = true;
else wasCancelled = false;
hide();
dispose();
client.dialogDismissed(this);
return true;
}
public void show() {
textField.requestFocus();
super.show();
}
public void returnInTextField() {
okButton.requestFocus();
}
public TextField getTextField() {
return textField;
}
public String getAnswer() {
return textField.getText();
}
public boolean wasCancelled() {
return wasCancelled;
}
private void setQuestion(String question) {
this.question = question;
}
}
class QuestionPanel extends Panel {
private TextField field;
private QuestionDialog dialog;
public QuestionPanel(QuestionDialog dialog,
String question) {
this(dialog, question, null, 0);
}
public QuestionPanel(QuestionDialog dialog, String question,
int columns) {
this(dialog, question, null, columns);
}
public QuestionPanel(QuestionDialog dialog, String question,
String initialResponse, int cols) {
this.dialog = dialog;
setLayout(new RowLayout());
add(new Label(question));
if(initialResponse != null) {
if(cols != 0)
add(field=new TextField(initialResponse, cols));
else
add(field=new TextField(initialResponse));
}
else {
if(cols != 0) add(field = new TextField(cols));
else add(field = new TextField());
}
}
public TextField getTextField() {
return field;
}
public boolean action(Event event, Object what) {
dialog.returnInTextField();
return false;
}
public Insets insets() {
return new Insets(10,10,10,10);
}
}
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