Source Code Cross Referenced for DefaultCellEditor.java in  » Apache-Harmony-Java-SE » javax-package » javax » swing » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Apache Harmony Java SE » javax package » javax.swing 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *  Licensed to the Apache Software Foundation (ASF) under one or more
003:         *  contributor license agreements.  See the NOTICE file distributed with
004:         *  this work for additional information regarding copyright ownership.
005:         *  The ASF licenses this file to You under the Apache License, Version 2.0
006:         *  (the "License"); you may not use this file except in compliance with
007:         *  the License.  You may obtain a copy of the License at
008:         *
009:         *     http://www.apache.org/licenses/LICENSE-2.0
010:         *
011:         *  Unless required by applicable law or agreed to in writing, software
012:         *  distributed under the License is distributed on an "AS IS" BASIS,
013:         *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         *  See the License for the specific language governing permissions and
015:         *  limitations under the License.
016:         */
017:
018:        package javax.swing;
019:
020:        import java.awt.Component;
021:        import java.awt.event.ActionEvent;
022:        import java.awt.event.ActionListener;
023:        import java.awt.event.ItemEvent;
024:        import java.awt.event.ItemListener;
025:        import java.awt.event.MouseEvent;
026:        import java.io.Serializable;
027:        import java.util.EventObject;
028:        import javax.swing.table.TableCellEditor;
029:        import javax.swing.tree.TreeCellEditor;
030:        import org.apache.harmony.x.swing.StringConstants;
031:
032:        /**
033:         * <p>
034:         * <i>DefaultCellEditor</i>
035:         * </p>
036:         * <h3>Implementation Notes:</h3>
037:         * <ul>
038:         * <li>The <code>serialVersionUID</code> fields are explicitly declared as a performance
039:         * optimization, not as a guarantee of serialization compatibility.</li>
040:         * </ul>
041:         */
042:        public class DefaultCellEditor extends AbstractCellEditor implements 
043:                TableCellEditor, TreeCellEditor {
044:            private static final long serialVersionUID = 3564035141373880027L;
045:
046:            protected class EditorDelegate implements  ActionListener,
047:                    ItemListener, Serializable {
048:                private static final long serialVersionUID = -1953114537286696317L;
049:
050:                protected Object value;
051:
052:                public Object getCellEditorValue() {
053:                    return value;
054:                }
055:
056:                public void setValue(Object value) {
057:                    this .value = value;
058:                }
059:
060:                public boolean isCellEditable(EventObject event) {
061:                    if (event instanceof  MouseEvent) {
062:                        return ((MouseEvent) event).getClickCount() >= clickCountToStart;
063:                    }
064:                    return true;
065:                }
066:
067:                public boolean shouldSelectCell(EventObject event) {
068:                    return true;
069:                }
070:
071:                public boolean startCellEditing(EventObject event) {
072:                    return true;
073:                }
074:
075:                public boolean stopCellEditing() {
076:                    fireEditingStopped();
077:                    return true;
078:                }
079:
080:                public void cancelCellEditing() {
081:                    fireEditingCanceled();
082:                }
083:
084:                public void actionPerformed(ActionEvent e) {
085:                    DefaultCellEditor.this .stopCellEditing();
086:                }
087:
088:                public void itemStateChanged(ItemEvent e) {
089:                    DefaultCellEditor.this .stopCellEditing();
090:                }
091:            }
092:
093:            protected JComponent editorComponent;
094:
095:            protected EditorDelegate delegate;
096:
097:            protected int clickCountToStart;
098:
099:            public DefaultCellEditor(final JTextField textField) {
100:                editorComponent = textField;
101:                delegate = new EditorDelegate() {
102:                    private static final long serialVersionUID = 1L;
103:
104:                    @Override
105:                    public Object getCellEditorValue() {
106:                        return textField.getText();
107:                    }
108:
109:                    @Override
110:                    public void setValue(Object value) {
111:                        textField.setText(value != null ? value.toString()
112:                                : null);
113:                    }
114:                };
115:                textField.addActionListener(delegate);
116:                setClickCountToStart(2);
117:            }
118:
119:            public DefaultCellEditor(final JCheckBox checkBox) {
120:                editorComponent = checkBox;
121:                delegate = new EditorDelegate() {
122:                    private static final long serialVersionUID = 1L;
123:
124:                    @Override
125:                    public Object getCellEditorValue() {
126:                        return Boolean.valueOf(checkBox.isSelected());
127:                    }
128:
129:                    @Override
130:                    public void setValue(Object value) {
131:                        checkBox.setSelected(value != null ? Boolean
132:                                .parseBoolean(value.toString()) : false);
133:                    }
134:                };
135:                checkBox.setFocusable(false);
136:                checkBox.addActionListener(delegate);
137:                setClickCountToStart(1);
138:            }
139:
140:            public DefaultCellEditor(final JComboBox comboBox) {
141:                editorComponent = comboBox;
142:                delegate = new EditorDelegate() {
143:                    private static final long serialVersionUID = 1L;
144:
145:                    @Override
146:                    public Object getCellEditorValue() {
147:                        return comboBox.getSelectedItem();
148:                    }
149:
150:                    @Override
151:                    public void setValue(Object value) {
152:                        comboBox.setSelectedItem(value);
153:                    }
154:                };
155:                comboBox.addActionListener(delegate);
156:                setClickCountToStart(1);
157:                comboBox.putClientProperty(StringConstants.IS_TABLE_EDITOR,
158:                        Boolean.TRUE);
159:            }
160:
161:            public Component getComponent() {
162:                return editorComponent;
163:            }
164:
165:            public void setClickCountToStart(int count) {
166:                clickCountToStart = count;
167:            }
168:
169:            public int getClickCountToStart() {
170:                return clickCountToStart;
171:            }
172:
173:            public Object getCellEditorValue() {
174:                return delegate.getCellEditorValue();
175:            }
176:
177:            @Override
178:            public boolean isCellEditable(EventObject event) {
179:                return delegate.isCellEditable(event);
180:            }
181:
182:            @Override
183:            public boolean shouldSelectCell(EventObject event) {
184:                return delegate.shouldSelectCell(event);
185:            }
186:
187:            @Override
188:            public boolean stopCellEditing() {
189:                return delegate.stopCellEditing();
190:            }
191:
192:            @Override
193:            public void cancelCellEditing() {
194:                delegate.cancelCellEditing();
195:            }
196:
197:            public Component getTreeCellEditorComponent(JTree tree,
198:                    Object value, boolean isSelected, boolean expanded,
199:                    boolean leaf, int row) {
200:                delegate.setValue(value);
201:                return getComponent();
202:            }
203:
204:            public Component getTableCellEditorComponent(JTable table,
205:                    Object value, boolean isSelected, int row, int column) {
206:                delegate.setValue(value);
207:                return getComponent();
208:            }
209:        }
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