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1
19
20 package org.netbeans.modules.j2ee.persistence.util;
21
22 import java.awt.Color  ;
23 import java.awt.Component ;
24 import java.awt.Dimension ;
25 import java.awt.event.ActionEvent ;
26 import java.awt.event.ActionListener ;
27 import java.awt.event.InputEvent ;
28 import java.awt.event.KeyAdapter ;
29 import java.awt.event.KeyEvent ;
30 import java.util.Collections ;
31 import java.util.List ;
32 import javax.swing.DefaultComboBoxModel ;
33 import javax.swing.DefaultListCellRenderer ;
34 import javax.swing.JComboBox ;
35 import javax.swing.JList ;
36 import javax.swing.JSeparator ;
37 import org.netbeans.api.project.Project;
38 import org.netbeans.api.project.libraries.LibrariesCustomizer;
39 import org.netbeans.modules.j2ee.persistence.provider.DefaultProvider;
40 import org.netbeans.modules.j2ee.persistence.provider.Provider;
41 import org.netbeans.modules.j2ee.persistence.provider.ProviderUtil;
42 import org.netbeans.modules.j2ee.persistence.spi.provider.PersistenceProviderSupplier;
43 import org.netbeans.modules.j2ee.persistence.wizard.library.PersistenceLibraryCustomizer;
44 import org.netbeans.modules.j2ee.persistence.wizard.library.PersistenceLibrarySupport;
45 import org.openide.util.NbBundle;
46 import org.openide.util.Parameters;
47
48
56 public final class PersistenceProviderComboboxHelper {
57
58 private final static String SEPARATOR = "PersistenceProviderComboboxHelper.SEPARATOR";
59 private final static String EMPTY = "PersistenceProviderComboboxHelper.EMPTY";
60
61 private final PersistenceProviderSupplier providerSupplier;
62
63
70 public PersistenceProviderComboboxHelper(Project project) {
71 Parameters.notNull("project", project);
72
73 PersistenceProviderSupplier aProviderSupplier =project.getLookup().lookup(PersistenceProviderSupplier.class);
74
75 if (aProviderSupplier == null){
76 aProviderSupplier = new DefaultPersistenceProviderSupplier();
78 }
79
80 this.providerSupplier = aProviderSupplier;
81 }
82
83
90 public void connect(final JComboBox providerCombo) {
91 providerCombo.setEditable(false);
92 initCombo(providerCombo);
93 providerCombo.addKeyListener(new KeyAdapter () {
95 public void keyPressed(KeyEvent e) {
96 int keyCode = e.getKeyCode();
97 if (KeyEvent.VK_ENTER == keyCode) {
98 Object selectedItem = providerCombo.getSelectedItem();
99 if (selectedItem instanceof LibraryItem) {
100 ((LibraryItem) selectedItem).performAction();
101 providerCombo.setPopupVisible(false);
102 e.consume();
103 initCombo(providerCombo);
104 }
105 }
106 }
107 });
108
109 providerCombo.addActionListener(new ActionListener () {
110
111 Object currentItem = providerCombo.getSelectedItem();
112 int currentIndex = providerCombo.getSelectedIndex();
113
114 public void actionPerformed(ActionEvent e) {
115 Object selectedItem = providerCombo.getSelectedItem();
116 if (SEPARATOR.equals(selectedItem)) {
118 int selectedIndex = providerCombo.getSelectedIndex();
119 if (selectedIndex > currentIndex) {
120 currentIndex = selectedIndex + 1;
121 currentItem = providerCombo.getItemAt(currentIndex);
122 } else {
123 currentIndex = selectedIndex - 1;
124 currentItem = providerCombo.getItemAt(currentIndex);
125 }
126 providerCombo.setSelectedItem(currentItem);
127 } else if ((e.getModifiers() & InputEvent.BUTTON1_MASK) != 0) {
129 if (selectedItem instanceof LibraryItem) {
130 ((LibraryItem) selectedItem).performAction();
131 providerCombo.setPopupVisible(false);
132 initCombo(providerCombo);
133 }
134 } else {
135 currentItem = selectedItem;
136 currentIndex = providerCombo.getSelectedIndex();
137 }
138 }
139 });
140 }
141
142 private void initCombo(JComboBox providerCombo) {
143
144 DefaultComboBoxModel providers = new DefaultComboBoxModel ();
145
146 for(Provider each : providerSupplier.getSupportedProviders()){
147 providers.addElement(each);
148 }
149
150 if (providers.getSize() == 0 && providerSupplier.supportsDefaultProvider()){
151 providers.addElement(ProviderUtil.DEFAULT_PROVIDER);
152 }
153
154 addProvidersFromLibraries(providers);
155
156 providerCombo.setModel(providers);
157 providerCombo.addItem(SEPARATOR);
158 providerCombo.addItem(new NewPersistenceLibraryItem());
159 providerCombo.addItem(new ManageLibrariesItem());
160 providerCombo.setRenderer(new PersistenceProviderCellRenderer((Provider)providers.getElementAt(0)));
161 providerCombo.setSelectedIndex(0);
162 }
163
164
165
168 private void addProvidersFromLibraries(DefaultComboBoxModel model){
169 for (Provider each : PersistenceLibrarySupport.getProvidersFromLibraries()){
170 boolean found = false;
171 for (int i = 0; i < model.getSize(); i++) {
172 Object elem = model.getElementAt(i);
173 if (elem instanceof Provider && each.equals(elem)){
174 found = true;
175 break;
176 }
177 }
178 if (!found){
179 model.addElement(each);
180 }
181 }
182 }
183
184
185 public static interface LibraryItem {
186 String getText();
187 void performAction();
188 }
189
190 private static class NewPersistenceLibraryItem implements LibraryItem {
191 public String getText() {
192 return NbBundle.getMessage(PersistenceProviderComboboxHelper.class, "LBL_NewPersistenceLibrary");
193 }
194 public void performAction() {
195 PersistenceLibraryCustomizer.showCustomizer();
196 }
197 }
198
199 private static class ManageLibrariesItem implements LibraryItem {
200 public String getText() {
201 return NbBundle.getMessage(PersistenceProviderComboboxHelper.class, "LBL_ManageLibraries");
202 }
203 public void performAction() {
204 LibrariesCustomizer.showCustomizer(null);
205 }
206 }
207
208 private static class PersistenceProviderCellRenderer extends DefaultListCellRenderer {
209
210 Provider defaultProvider;
211
212 PersistenceProviderCellRenderer(Provider defaultProvider) {
213 this.defaultProvider = defaultProvider;
214 }
215
216 public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
217
218 if (isSelected) {
219 setBackground(list.getSelectionBackground());
220 setForeground(list.getSelectionForeground());
221 } else {
222 setBackground(list.getBackground());
223 setForeground(list.getForeground());
224 }
225
226 if (value instanceof Provider) {
227 Provider provider = (Provider)value;
228 String text = provider.getDisplayName();
229 if (value.equals(defaultProvider) && (!(value instanceof DefaultProvider))) {
230 text += NbBundle.getMessage(PersistenceProviderComboboxHelper.class, "LBL_DEFAULT_PROVIDER");
231 }
232 setText(text);
233
234 } else if (SEPARATOR.equals(value)) {
235 JSeparator s = new JSeparator ();
236 s.setPreferredSize(new Dimension (s.getWidth(), 1));
237 s.setForeground(Color.BLACK);
238 return s;
239
240 } else if (EMPTY.equals(value)) {
241 setText(" ");
242
243 } else if (value instanceof LibraryItem) {
244 setText(((LibraryItem) value).getText());
245
246 } else {
247 setText(value != null ? value.toString() : ""); }
249
250 return this;
251 }
252
253 }
254
255
261 private static class DefaultPersistenceProviderSupplier implements PersistenceProviderSupplier{
262
263 public List <Provider> getSupportedProviders() {
264 return Collections.<Provider>emptyList();
265 }
266
267 public boolean supportsDefaultProvider() {
268 return false;
269 }
270 }
271 }
272 |
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