001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
028: * Microsystems, Inc. All Rights Reserved.
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030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
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035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
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040: */
041:
042: package org.netbeans.api.db.explorer.support;
043:
044: import java.util.ArrayList;
045: import java.util.Arrays;
046: import java.util.Collections;
047: import java.util.Comparator;
048: import java.util.HashSet;
049: import java.util.List;
050: import java.util.Set;
051: import javax.swing.AbstractListModel;
052: import javax.swing.ComboBoxModel;
053: import javax.swing.JComboBox;
054: import org.netbeans.api.db.explorer.ConnectionManager;
055: import org.netbeans.api.db.explorer.DatabaseConnection;
056: import org.netbeans.modules.db.util.DataComboBoxModel;
057: import org.netbeans.modules.db.util.DataComboBoxSupport;
058: import org.openide.util.NbBundle;
059:
060: /**
061: * This class contains utility methods for working with and/or displaying
062: * database connections in the UI. Currently it provides a method for
063: * populating a combo box with the list of database connections from
064: * {@link ConnectionManager}.
065: *
066: * @author Andrei Badea
067: *
068: * @since 1.18
069: */
070: public final class DatabaseExplorerUIs {
071:
072: private DatabaseExplorerUIs() {
073: }
074:
075: /**
076: * Populates and manages the contents of the passed combo box. The combo box
077: * contents consists of the database connections defined in
078: * the passes instance of {@link ConnectionManager} and a Add Database Connection
079: * item which displays the New Database Connection dialog when selected.
080: *
081: * <p>This method may cause the replacement of the combo box model,
082: * thus the caller is recommended to register a
083: * {@link java.beans.PropertyChangeListener} on the combo box when
084: * it needs to check the combo box content when it changes.</p>
085: *
086: * @param comboBox combo box to be filled with the database connections.
087: */
088: public static void connect(JComboBox comboBox,
089: ConnectionManager connectionManager) {
090: DataComboBoxSupport.connect(comboBox,
091: new ConnectionDataComboBoxModel(connectionManager));
092: }
093:
094: private static final class ConnectionDataComboBoxModel implements
095: DataComboBoxModel {
096:
097: private final ConnectionManager connectionManager;
098: private final ConnectionComboBoxModel comboBoxModel;
099:
100: public ConnectionDataComboBoxModel(
101: ConnectionManager connectionManager) {
102: this .connectionManager = connectionManager;
103: this .comboBoxModel = new ConnectionComboBoxModel(
104: connectionManager);
105: }
106:
107: public String getItemTooltipText(Object item) {
108: return ((DatabaseConnection) item).toString();
109: }
110:
111: public String getItemDisplayName(Object item) {
112: return ((DatabaseConnection) item).getDisplayName();
113: }
114:
115: public void newItemActionPerformed() {
116: Set oldConnections = new HashSet(Arrays
117: .asList(connectionManager.getConnections()));
118: connectionManager.showAddConnectionDialog(null);
119:
120: // try to find the new connection
121: DatabaseConnection[] newConnections = connectionManager
122: .getConnections();
123: if (newConnections.length == oldConnections.size()) {
124: // no new connection, so...
125: return;
126: }
127: for (int i = 0; i < newConnections.length; i++) {
128: if (!oldConnections.contains(newConnections[i])) {
129: comboBoxModel
130: .addSelectedConnection(newConnections[i]);
131: break;
132: }
133: }
134: }
135:
136: public String getNewItemDisplayName() {
137: return NbBundle.getMessage(DatabaseExplorerUIs.class,
138: "LBL_NewDbConnection");
139: }
140:
141: public ComboBoxModel getListModel() {
142: return comboBoxModel;
143: }
144: }
145:
146: private static final class ConnectionComboBoxModel extends
147: AbstractListModel implements ComboBoxModel {
148:
149: private final ConnectionManager connectionManager;
150: private final List connectionList; // must be ArrayList
151:
152: private Object selectedItem; // can be anything, not just a database connection
153:
154: public ConnectionComboBoxModel(
155: ConnectionManager connectionManager) {
156: this .connectionManager = connectionManager;
157:
158: connectionList = new ArrayList();
159: connectionList.addAll(Arrays.asList(connectionManager
160: .getConnections()));
161: Collections
162: .sort(connectionList, new ConnectionComparator());
163: }
164:
165: public void setSelectedItem(Object anItem) {
166: selectedItem = anItem;
167: }
168:
169: public Object getElementAt(int index) {
170: return connectionList.get(index);
171: }
172:
173: public int getSize() {
174: return connectionList.size();
175: }
176:
177: public Object getSelectedItem() {
178: return selectedItem;
179: }
180:
181: public void addSelectedConnection(DatabaseConnection dbconn) {
182: selectedItem = dbconn;
183: connectionList.add(dbconn);
184: Collections
185: .sort(connectionList, new ConnectionComparator());
186: fireContentsChanged(this , 0, connectionList.size());
187: }
188: }
189:
190: private static final class ConnectionComparator implements
191: Comparator {
192:
193: public boolean equals(Object that) {
194: return that instanceof ConnectionComparator;
195: }
196:
197: public int compare(Object dbconn1, Object dbconn2) {
198: if (dbconn1 == null) {
199: return dbconn2 == null ? 0 : -1;
200: } else {
201: if (dbconn2 == null) {
202: return 1;
203: }
204: }
205:
206: String dispName1 = ((DatabaseConnection) dbconn1)
207: .getDisplayName();
208: String dispName2 = ((DatabaseConnection) dbconn2)
209: .getDisplayName();
210: if (dispName1 == null) {
211: return dispName2 == null ? 0 : -1;
212: } else {
213: return dispName2 == null ? 1 : dispName1
214: .compareToIgnoreCase(dispName2);
215: }
216: }
217: }
218: }
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