protected void navToNextPage() {
final WizardPage currentPage = getCurrentPage();
if (hasNextPage() && currentPage != null) {
final WizardPage nextPage = currentPage.getNextPage();
if (nextPage != null) navTo(nextPage, true);
}
}
private void hideFinishingPage() {
finishingPage.setVisible(false);
getChildren().remove(finishingPage);
getChildren().add(0, finishingPage);
final WizardPage currentPage = getCurrentPage();
if (currentPage != null) currentPage.setVisible(true);
}
public void registerWizardPage(final WizardPage wizardPage) {
assertNotNull("wizardPage", wizardPage);
if (wizardPage.getWizard() != null) wizardPage.setWizard(this);
if (knownPages.containsKey(wizardPage)) return;
wizardPage.completeProperty().addListener(updateCanFinishInvalidationListener);
knownPages.put(wizardPage, null);
wizardPage.setVisible(false);
getChildren().add(0, wizardPage);
}
protected void updateCanFinish() {
boolean canFinish = true;
for (WizardPage wizardPage : history) {
if (!wizardPage.completeProperty().getValue()) canFinish = false;
}
WizardPage wizardPage = getCurrentPage();
while (wizardPage != null) {
if (!wizardPage.completeProperty().getValue()) canFinish = false;
wizardPage = wizardPage.getNextPage();
}
this.canFinish.set(canFinish);
}
@Override
public void set(final WizardPage newValue) {
final WizardPage oldValue = get();
super.set(newValue);
if (getCurrentPage() == oldValue) setCurrentPage(null);
// if (oldValue != null)
// getChildren().remove(oldValue); // TODO is this really needed? and if so, shouldn't
// we remove all other pages?
if (newValue != null) {
newValue.setWizard(Wizard.this);
newValue.updateButtonsDisable();
if (getCurrentPage() == null) navTo(newValue, false);
}
}
protected void navTo(final WizardPage wizardPage, boolean addToHistory) {
assertNotNull("wizardPage", wizardPage);
PlatformUtil.assertFxApplicationThread();
{
WizardPage currentPage = getCurrentPage();
if (currentPage != null) currentPage.onHidden();
if (currentPage != null && addToHistory) history.addLast(currentPage);
}
setCurrentPage(wizardPage);
for (Node child : getChildren()) child.setVisible(false);
wizardPage.setVisible(true);
getChildren().remove(wizardPage); // remove from z-order wherever it is (it might be missing!).
getChildren().add(wizardPage); // re-add as last, which means top-most z-order.
wizardPage.updateButtonsDisable();
updateCanFinish();
if (getParent() != null) getParent().requestFocus();
this.requestFocus();
wizardPage.requestFocus();
Platform.runLater(
new Runnable() {
@Override
public void run() {
final Scene scene = getScene();
final Window window = scene == null ? null : scene.getWindow();
if (window != null) window.sizeToScene();
if (getParent() != null) getParent().requestFocus();
Wizard.this.requestFocus();
wizardPage.requestFocus();
wizardPage.onShown();
}
});
}
protected boolean hasNextPage() {
final WizardPage currentPage = getCurrentPage();
if (currentPage == null) return false;
return currentPage.getNextPage() != null;
}
