How to use

enableButtons

method

in

org.jfree.ui.WizardDialog

/**
 * Handles a click on the "previous" button, by displaying the previous panel in the sequence.
 */
public void previous() {
  if (this.step > 0) {
    final WizardPanel previousPanel = getWizardPanel(this.step - 1);
    // tell the panel that we are returning
    previousPanel.returnFromLaterStep();
    final Container content = getContentPane();
    content.remove(this.currentPanel);
    content.add(previousPanel);
    this.step = this.step - 1;
    this.currentPanel = previousPanel;
    setTitle("Step " + (this.step + 1));
    enableButtons();
    pack();
  }
}

/**
 * Handles a click on the "previous" button, by displaying the previous panel in the sequence.
 */
public void previous() {
  if (this.step > 0) {
    final WizardPanel previousPanel = getWizardPanel(this.step - 1);
    // tell the panel that we are returning
    previousPanel.returnFromLaterStep();
    final Container content = getContentPane();
    content.remove(this.currentPanel);
    content.add(previousPanel);
    this.step = this.step - 1;
    this.currentPanel = previousPanel;
    setTitle("Step " + (this.step + 1));
    enableButtons();
    pack();
  }
}

/**
 * Handles a click on the "previous" button, by displaying the previous panel in the sequence.
 */
public void previous() {
  if (this.step > 0) {
    final WizardPanel previousPanel = getWizardPanel(this.step - 1);
    // tell the panel that we are returning
    previousPanel.returnFromLaterStep();
    final Container content = getContentPane();
    content.remove(this.currentPanel);
    content.add(previousPanel);
    this.step = this.step - 1;
    this.currentPanel = previousPanel;
    setTitle("Step " + (this.step + 1));
    enableButtons();
    pack();
  }
}

/**
 * Displays the next step in the wizard sequence.
 */
public void next() {
  WizardPanel nextPanel = getWizardPanel(this.step + 1);
  if (nextPanel != null) {
    if (!this.currentPanel.canRedisplayNextPanel()) {
      nextPanel = this.currentPanel.getNextPanel();
    }
  }
  else {
    nextPanel = this.currentPanel.getNextPanel();
  }
  this.step = this.step + 1;
  if (this.step < this.panels.size()) {
    this.panels.set(this.step, nextPanel);
  }
  else {
    this.panels.add(nextPanel);
  }
  final Container content = getContentPane();
  content.remove(this.currentPanel);
  content.add(nextPanel);
  this.currentPanel = nextPanel;
  setTitle("Step " + (this.step + 1));
  enableButtons();
  pack();
}

/**
 * Displays the next step in the wizard sequence.
 */
public void next() {
  WizardPanel nextPanel = getWizardPanel(this.step + 1);
  if (nextPanel != null) {
    if (!this.currentPanel.canRedisplayNextPanel()) {
      nextPanel = this.currentPanel.getNextPanel();
    }
  }
  else {
    nextPanel = this.currentPanel.getNextPanel();
  }
  this.step = this.step + 1;
  if (this.step < this.panels.size()) {
    this.panels.set(this.step, nextPanel);
  }
  else {
    this.panels.add(nextPanel);
  }
  final Container content = getContentPane();
  content.remove(this.currentPanel);
  content.add(nextPanel);
  this.currentPanel = nextPanel;
  setTitle("Step " + (this.step + 1));
  enableButtons();
  pack();
}

/**
 * Displays the next step in the wizard sequence.
 */
public void next() {
  WizardPanel nextPanel = getWizardPanel(this.step + 1);
  if (nextPanel != null) {
    if (!this.currentPanel.canRedisplayNextPanel()) {
      nextPanel = this.currentPanel.getNextPanel();
    }
  }
  else {
    nextPanel = this.currentPanel.getNextPanel();
  }
  this.step = this.step + 1;
  if (this.step < this.panels.size()) {
    this.panels.set(this.step, nextPanel);
  }
  else {
    this.panels.add(nextPanel);
  }
  final Container content = getContentPane();
  content.remove(this.currentPanel);
  content.add(nextPanel);
  this.currentPanel = nextPanel;
  setTitle("Step " + (this.step + 1));
  enableButtons();
  pack();
}