/**
* Hiermit koennen standardisierte Verwaltungungs Komponenten erzeugt werden. Es ist moeglich
* mehrere "Seiten" anzeigen zu lassen (Paging)
*
* @author niels
*/
public abstract class ManagementBaseComponent extends BaseComponent
implements ViewComponent, ActionListener {
public User user = GUIHelper.getInstance().getUser();
public final JPanel showPanel =
new JPanel(); // Hier werden die einzelnen Pages/Arbeitsschritte angezeigt
private final JPanel nextAndSavePanel = new JPanel();
public ArrayList<JPanel> sections = new ArrayList();
public int currentPage = 0;
private final JButton previous = new JButton("Zurück");
private final JButton next = new JButton("Weiter");
public final JButton save = new JButton("Speichern");
public ManagementBaseComponent() {
super(true);
this.initFields();
BorderLayout layout = new BorderLayout();
this.setLayout(layout);
BorderLayout layout2 = new BorderLayout();
this.mainPanel.setLayout(layout2);
this.sections = getSectionPanels();
// ActionListener
previous.addActionListener(this);
next.addActionListener(this);
// Buttons vorbereiten
this.save.setVisible(false);
this.save.addActionListener(this);
this.save.setToolTipText("speichern");
this.next.setToolTipText("Einen Schritt weiter");
this.previous.setToolTipText("Einen Schritt zurück");
this.showPanel.add(this.sections.get(this.currentPage));
this.showPanel.setVisible(true);
this.mainPanel.add(showPanel, BorderLayout.CENTER);
this.mainPanel.add(createControllBar(), BorderLayout.PAGE_END);
this.mainPanel.setVisible(true);
this.add(this.mainPanel, BorderLayout.CENTER);
}
private JPanel createControllBar() {
JPanel panel = new JPanel();
panel.setBorder(new EmptyBorder(10, 10, 10, 10));
this.previous.setVisible(false);
if (this.sections.size() == 1) {
this.getNext().setVisible(false);
this.save.setVisible(true);
} else {
this.getNext().setVisible(true);
this.save.setVisible(false);
}
// Layout
GridBagLayout layout = new GridBagLayout();
panel.setLayout(layout);
GridBagConstraints constraints = new GridBagConstraints();
constraints.fill = GridBagConstraints.HORIZONTAL;
constraints.anchor = GridBagConstraints.CENTER;
constraints.insets = new Insets(5, 5, 5, 500);
constraints.gridx = 0;
constraints.gridy = 0;
panel.add(this.previous, constraints);
constraints.insets = new Insets(5, 5, 5, 5);
constraints.gridx++;
panel.add(this.getNext(), constraints);
panel.add(this.save, constraints);
return panel;
}
@Override
public JComponent getComponent() {
this.updateContent();
return this;
}
@Override
public void actionPerformed(ActionEvent e) {
this.mainPanel.setVisible(false);
if (!this.basicActions(e)) {
this.specialAction(e);
}
Verschluesselung.save(this.user);
this.mainPanel.setVisible(true);
}
/**
* Basis Aktionen fuer die Komponente
*
* @param e
* @return
*/
private boolean basicActions(ActionEvent e) {
if (e.getSource() == this.previous) {
if (this.currentPage == 1) {
this.previous.setVisible(false);
}
if (this.currentPage == this.sections.size() - 1) {
this.getNext().setVisible(true);
this.save.setVisible(false);
}
this.showPanel.removeAll();
currentPage--;
this.showPanel.add(this.sections.get(this.currentPage));
return true;
}
if (e.getSource() == this.getNext()) {
if (this.currentPage == 0) {
this.previous.setVisible(true);
}
if (this.currentPage == this.sections.size() - 2) {
this.getNext().setVisible(false);
this.save.setVisible(true);
}
this.showPanel.removeAll();
currentPage++;
this.showPanel.add(this.sections.get(this.currentPage));
return true;
}
if (e.getSource() == this.save) {
this.saveOrUpdate();
if (Verschluesselung.save(this.user)) {
showSaved();
}
return true;
}
return false;
}
public void showSaved() {}
/**
* Methode, damit in den speziellen Klassen, auch auf Events reagiert werden kann
*
* @param event
*/
public abstract void specialAction(ActionEvent event);
/** Spezielle Methode, um das zu bearbeitende Objekt/ neu erstellte zu speichern */
public abstract void saveOrUpdate();
/**
* Mit dieser Methode werden die verschiedenen JPanels erzeugt Wird im Konstruktor verwendet um
* "sections" zu setzen
*
* @return
*/
public abstract ArrayList<JPanel> getSectionPanels();
public abstract void initFields();
/** @return the next */
public JButton getNext() {
return next;
}
}
/**
* Holt sich den Hilfe Text aus einer Datei mit Hilfe des Helpers.
*
* @param name
* @return
*/
private String getHelpText(String name) {
return GUIHelper.getHelpText(name);
}
