The Backyard - EntityWizardIterator Diff
- Added parts are displayed like this.
- Deleted parts are displayed
like this.
package com.example.tableentity;
import java.awt.Component;
import java.io.IOException;
import java.util.Collections;
import java.util.NoSuchElementException;
import java.util.Set;
import javax.swing.JComponent;
import javax.swing.event.ChangeListener;
import org.openide.WizardDescriptor;
import org.netbeans.api.db.explorer.ConnectionManager;
import org.netbeans.api.db.explorer.DatabaseConnection;
public final class EntityWizardIterator implements WizardDescriptor.InstantiatingIterator {
private int index;
private WizardDescriptor wizard;
private WizardDescriptor.Panel[] panels;
/**
* Initialize panels representing individual wizard's steps and sets
* various properties for them influencing wizard appearance.
*/
private WizardDescriptor.Panel[] getPanels() {
if (panels == null) {
panels = new WizardDescriptor.Panel[] {
new EntityWizardPanel1(),
new EntityWizardPanel2(),
new EntityWizardPanel3(),
new EntityWizardPanel4()
};
String[] steps = createSteps();
for (int i = 0; i < panels.length; i++) {
Component c = panels[i].getComponent();
if (steps[i] == null) {
// Default step name to component name of panel. Mainly
// useful for getting the name of the target chooser to
// appear in the list of steps.
steps[i] = c.getName();
}
if (c instanceof JComponent) { // assume Swing components
JComponent jc = (JComponent) c;
// Sets step number of a component
jc.putClientProperty("WizardPanel_contentSelectedIndex", new Integer(i));
// Sets steps names for a panel
jc.putClientProperty("WizardPanel_contentData", steps);
// Turn on subtitle creation on each step
jc.putClientProperty("WizardPanel_autoWizardStyle", Boolean.TRUE);
// Show steps on the left side with the image on the background
jc.putClientProperty("WizardPanel_contentDisplayed", Boolean.TRUE);
// Turn on numbering of all steps
jc.putClientProperty("WizardPanel_contentNumbered", Boolean.TRUE);
}
}
}
return panels;
}
public Set instantiate() throws IOException {
return Collections.EMPTY_SET;
}
public void initialize(WizardDescriptor wizard) {
this.wizard = wizard;
}
public void uninitialize(WizardDescriptor wizard) {
DatabaseConnection dc = (DatabaseConnection)wizard.getProperty("connection");
if (dc != null) {
ConnectionManager.getDefault().disconnect(dc);
}
panels = null;
}
public WizardDescriptor.Panel current() {
return getPanels()[index];
}
public String name() {
return index + 1 + ". from " + getPanels().length;
}
public boolean hasNext() {
return index < getPanels().length - 1;
}
public boolean hasPrevious() {
return index > 0;
}
public void nextPanel() {
if (!hasNext()) {
throw new NoSuchElementException();
}
index++;
}
public void previousPanel() {
if (!hasPrevious()) {
throw new NoSuchElementException();
}
index--;
}
// If nothing unusual changes in the middle of the wizard, simply:
public void addChangeListener(ChangeListener l) {}
public void removeChangeListener(ChangeListener l) {}
// If something changes dynamically (besides moving between panels), e.g.
// the number of panels changes in response to user input, then uncomment
// the following and call when needed: fireChangeEvent();
/*
private transient Set<ChangeListener> listeners = new HashSet<ChangeListener>(1);
public final void addChangeListener(ChangeListener l) {
synchronized (listeners) {
listeners.add(l);
}
}
public final void removeChangeListener(ChangeListener l) {
synchronized (listeners) {
listeners.remove(l);
}
}
protected final void fireChangeEvent() {
Iterator<ChangeListener> it;
synchronized (listeners) {
it = new HashSet<ChangeListener>(listeners).iterator();
}
ChangeEvent ev = new ChangeEvent(this);
while (it.hasNext()) {
it.next().stateChanged(ev);
}
}
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
in.defaultReadObject();
listeners = new HashSet<ChangeListener>(1);
}
*/
// You could safely ignore this method. Is is here to keep steps which were
// there before this wizard was instantiated. It should be better handled
// by NetBeans Wizard API itself rather than needed to be implemented by a
// client code.
private String[] createSteps() {
String[] beforeSteps = null;
Object prop = wizard.getProperty("WizardPanel_contentData");
if (prop != null && prop instanceof String[]) {
beforeSteps = (String[]) prop;
}
if (beforeSteps == null) {
beforeSteps = new String[0];
}
String[] res = new String[(beforeSteps.length - 1) + panels.length];
for (int i = 0; i < res.length; i++) {
if (i < (beforeSteps.length - 1)) {
res[i] = beforeSteps[i];
} else {
res[i] = panels[i - beforeSteps.length + 1].getComponent().getName();
}
}
return res;
}
}
import java.awt.Component;
import java.io.IOException;
import java.util.Collections;
import java.util.NoSuchElementException;
import java.util.Set;
import javax.swing.JComponent;
import javax.swing.event.ChangeListener;
import org.openide.WizardDescriptor;
import org.netbeans.api.db.explorer.ConnectionManager;
import org.netbeans.api.db.explorer.DatabaseConnection;
public final class EntityWizardIterator implements WizardDescriptor.InstantiatingIterator {
private int index;
private WizardDescriptor wizard;
private WizardDescriptor.Panel[] panels;
/**
* Initialize panels representing individual wizard's steps and sets
* various properties for them influencing wizard appearance.
*/
private WizardDescriptor.Panel[] getPanels() {
if (panels == null) {
panels = new WizardDescriptor.Panel[] {
new EntityWizardPanel1(),
new EntityWizardPanel2(),
new EntityWizardPanel3(),
new EntityWizardPanel4()
};
String[] steps = createSteps();
for (int i = 0; i < panels.length; i++) {
Component c = panels[i].getComponent();
if (steps[i] == null) {
// Default step name to component name of panel. Mainly
// useful for getting the name of the target chooser to
// appear in the list of steps.
steps[i] = c.getName();
}
if (c instanceof JComponent) { // assume Swing components
JComponent jc = (JComponent) c;
// Sets step number of a component
jc.putClientProperty("WizardPanel_contentSelectedIndex", new Integer(i));
// Sets steps names for a panel
jc.putClientProperty("WizardPanel_contentData", steps);
// Turn on subtitle creation on each step
jc.putClientProperty("WizardPanel_autoWizardStyle", Boolean.TRUE);
// Show steps on the left side with the image on the background
jc.putClientProperty("WizardPanel_contentDisplayed", Boolean.TRUE);
// Turn on numbering of all steps
jc.putClientProperty("WizardPanel_contentNumbered", Boolean.TRUE);
}
}
}
return panels;
}
public Set instantiate() throws IOException {
return Collections.EMPTY_SET;
}
public void initialize(WizardDescriptor wizard) {
this.wizard = wizard;
}
public void uninitialize(WizardDescriptor wizard) {
DatabaseConnection dc = (DatabaseConnection)wizard.getProperty("connection");
if (dc != null) {
ConnectionManager.getDefault().disconnect(dc);
}
panels = null;
}
public WizardDescriptor.Panel current() {
return getPanels()[index];
}
public String name() {
return index + 1 + ". from " + getPanels().length;
}
public boolean hasNext() {
return index < getPanels().length - 1;
}
public boolean hasPrevious() {
return index > 0;
}
public void nextPanel() {
if (!hasNext()) {
throw new NoSuchElementException();
}
index++;
}
public void previousPanel() {
if (!hasPrevious()) {
throw new NoSuchElementException();
}
index--;
}
// If nothing unusual changes in the middle of the wizard, simply:
public void addChangeListener(ChangeListener l) {}
public void removeChangeListener(ChangeListener l) {}
// If something changes dynamically (besides moving between panels), e.g.
// the number of panels changes in response to user input, then uncomment
// the following and call when needed: fireChangeEvent();
/*
private transient Set<ChangeListener> listeners = new HashSet<ChangeListener>(1);
public final void addChangeListener(ChangeListener l) {
synchronized (listeners) {
listeners.add(l);
}
}
public final void removeChangeListener(ChangeListener l) {
synchronized (listeners) {
listeners.remove(l);
}
}
protected final void fireChangeEvent() {
Iterator<ChangeListener> it;
synchronized (listeners) {
it = new HashSet<ChangeListener>(listeners).iterator();
}
ChangeEvent ev = new ChangeEvent(this);
while (it.hasNext()) {
it.next().stateChanged(ev);
}
}
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
in.defaultReadObject();
listeners = new HashSet<ChangeListener>(1);
}
*/
// You could safely ignore this method. Is is here to keep steps which were
// there before this wizard was instantiated. It should be better handled
// by NetBeans Wizard API itself rather than needed to be implemented by a
// client code.
private String[] createSteps() {
String[] beforeSteps = null;
Object prop = wizard.getProperty("WizardPanel_contentData");
if (prop != null && prop instanceof String[]) {
beforeSteps = (String[]) prop;
}
if (beforeSteps == null) {
beforeSteps = new String[0];
}
String[] res = new String[(beforeSteps.length - 1) + panels.length];
for (int i = 0; i < res.length; i++) {
if (i < (beforeSteps.length - 1)) {
res[i] = beforeSteps[i];
} else {
res[i] = panels[i - beforeSteps.length + 1].getComponent().getName();
}
}
return res;
}
}