Source Code Cross Referenced for UIUtilities.java in  » IDE-Netbeans » refactoring.api » org » netbeans » modules » refactoring » java » ui » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Netbeans » refactoring.api » org.netbeans.modules.refactoring.java.ui 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


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.
029:         *
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
034:         * single choice of license, a recipient has the option to distribute
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
038:         * Version 2 license, then the option applies only if the new code is
039:         * made subject to such option by the copyright holder.
040:         */
041:        package org.netbeans.modules.refactoring.java.ui;
042:
043:        import java.awt.Component;
044:        import javax.swing.DefaultListCellRenderer;
045:        import javax.swing.Icon;
046:        import javax.swing.JCheckBox;
047:        import javax.swing.JComponent;
048:        import javax.swing.JLabel;
049:        import javax.swing.JList;
050:        import javax.swing.JTable;
051:        import javax.swing.UIManager;
052:        import javax.swing.border.Border;
053:        import javax.swing.border.EmptyBorder;
054:        import javax.swing.table.DefaultTableCellRenderer;
055:        import javax.swing.table.TableCellRenderer;
056:        import javax.swing.table.TableColumn;
057:        import org.netbeans.modules.refactoring.java.api.MemberInfo;
058:
059:        /** Class containing various utility methods and inner classes
060:         * useful when creating refactoring UI.
061:         *
062:         * @author Martin Matula, Jan Becicka
063:         */
064:        public final class UIUtilities {
065:            // not to be instantiated
066:            private UIUtilities() {
067:            }
068:
069:            /** Returns the same string as passed in or " " if the passed string was an empty string.
070:             * This method is used as a workaround for issue #58302.
071:             * @param name Original table column name.
072:             * @return "Fixed" column name.
073:             */
074:            public static String getColumnName(String name) {
075:                return name == null || name.length() == 0 ? " " : name; // NOI18N
076:            }
077:
078:            /** Initializes preferred (and eventually maximum) width of a table column based on
079:             * the size of its header and the estimated longest value.
080:             * @param table Table to adjust the column width for.
081:             * @param index Index of the column.
082:             * @param longValue Estimated long value for the column.
083:             * @param padding Number of pixes for padding.
084:             */
085:            public static void initColumnWidth(JTable table, int index,
086:                    Object longValue, int padding) {
087:                TableColumn column = table.getColumnModel().getColumn(index);
088:
089:                // get preferred size of the header
090:                TableCellRenderer headerRenderer = column.getHeaderRenderer();
091:                if (headerRenderer == null) {
092:                    headerRenderer = table.getTableHeader()
093:                            .getDefaultRenderer();
094:                }
095:                Component comp = headerRenderer.getTableCellRendererComponent(
096:                        null, column.getHeaderValue(), false, false, 0, 0);
097:                int width = comp.getPreferredSize().width;
098:
099:                // get preferred size of the long value (remeber max of the pref. size for header and long value)
100:                comp = table.getDefaultRenderer(
101:                        table.getModel().getColumnClass(index))
102:                        .getTableCellRendererComponent(table, longValue, false,
103:                                false, 0, index);
104:                width = Math.max(width, comp.getPreferredSize().width) + 2
105:                        * padding;
106:
107:                // set preferred width of the column
108:                column.setPreferredWidth(width);
109:                // if the column contains boolean values, the preferred width
110:                // should also be its max width
111:                if (longValue instanceof  Boolean) {
112:                    column.setMaxWidth(width);
113:                }
114:            }
115:
116:            /** Table cell renderer that renders Java elements (instances of NamedElement and its subtypes).
117:             * When rendering the elements it displays element's icon (if available) and display text.
118:             */
119:            public static class JavaElementTableCellRenderer extends
120:                    DefaultTableCellRenderer {
121:                public Component getTableCellRendererComponent(JTable table,
122:                        Object value, boolean isSelected, boolean hasFocus,
123:                        int row, int column) {
124:                    super .getTableCellRendererComponent(table,
125:                            extractText(value), isSelected, hasFocus, row,
126:                            column);
127:                    if (value instanceof  MemberInfo) {
128:                        Icon i = ((MemberInfo) value).getIcon();
129:                        setIcon(i);
130:                    }
131:                    return this ;
132:                }
133:
134:                /** Can be overriden to return alter the standard display text returned for elements.
135:                 * @param value Cell value.
136:                 * @return Display text.
137:                 */
138:                protected String extractText(Object value) {
139:                    if (value == null)
140:                        return null;
141:                    if (value instanceof  MemberInfo) {
142:                        return ((MemberInfo) value).getHtmlText();
143:                    } else {
144:                        return value.toString();
145:                    }
146:                }
147:            }
148:
149:            /** Table cell renderer that renders Java elements (instances of NamedElement and its subtypes).
150:             * When rendering the elements it displays element's icon (if available) and display text.
151:             */
152:            public static class JavaElementListCellRenderer extends
153:                    DefaultListCellRenderer {
154:                public Component getListCellRendererComponent(JList list,
155:                        Object value, int index, boolean isSelected,
156:                        boolean cellHasFocus) {
157:                    super 
158:                            .getListCellRendererComponent(list,
159:                                    extractText(value), index, isSelected,
160:                                    cellHasFocus);
161:                    if (value instanceof  MemberInfo) {
162:                        Icon i = ((MemberInfo) value).getIcon();
163:                        setIcon(i);
164:                    }
165:                    return this ;
166:                }
167:
168:                /** Can be overriden to return alter the standard display text returned for elements.
169:                 * @param value Cell value.
170:                 * @return Display text.
171:                 */
172:                protected String extractText(Object value) {
173:                    if (value instanceof  MemberInfo) {
174:                        return ((MemberInfo) value).getHtmlText();
175:                    } else {
176:                        return value.toString();
177:                    }
178:                }
179:            }
180:
181:            /** Table cell renderer for boolean values (a little more advanced that the
182:             * standard one). Enables hiding the combo box in case the value is <code>null</code>
183:             * rather than <code>Boolean.TRUE</code> or <code>Boolean.FALSE</code>
184:             * and disables the combo box for read-only cells to give a better visual feedback
185:             * that the cells cannot be edited.
186:             */
187:            public static class BooleanTableCellRenderer extends JCheckBox
188:                    implements  TableCellRenderer {
189:                private static final Border noFocusBorder = new EmptyBorder(1,
190:                        1, 1, 1);
191:                private final JLabel emptyLabel = new JLabel();
192:
193:                public BooleanTableCellRenderer() {
194:                    super ();
195:                    setHorizontalAlignment(JLabel.CENTER);
196:                    setBorderPainted(true);
197:                    emptyLabel.setBorder(noFocusBorder);
198:                    emptyLabel.setOpaque(true);
199:                }
200:
201:                public Component getTableCellRendererComponent(JTable table,
202:                        Object value, boolean isSelected, boolean hasFocus,
203:                        int row, int column) {
204:                    JComponent result;
205:                    if (value == null) {
206:                        result = emptyLabel;
207:                    } else {
208:                        setSelected(((Boolean) value).booleanValue());
209:                        setEnabled(table.getModel().isCellEditable(row, column));
210:                        result = this ;
211:                    }
212:
213:                    result.setForeground(isSelected ? table
214:                            .getSelectionForeground() : table.getForeground());
215:                    result.setBackground(isSelected ? table
216:                            .getSelectionBackground() : table.getBackground());
217:                    result.setBorder(hasFocus ? UIManager
218:                            .getBorder("Table.focusCellHighlightBorder")
219:                            : noFocusBorder); // NOI18N
220:
221:                    return result;
222:                }
223:            }
224:        }
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