41 * TableModelEvent(source, HEADER_ROW); // Structure change, reallocate TableColumns
42 * TableModelEvent(source, 1); // Row 1 changed
43 * TableModelEvent(source, 3, 6); // Rows 3 to 6 inclusive changed
44 * TableModelEvent(source, 2, 2, 6); // Cell at (2, 6) changed
45 * TableModelEvent(source, 3, 6, ALL_COLUMNS, INSERT); // Rows (3, 6) were inserted
46 * TableModelEvent(source, 3, 6, ALL_COLUMNS, DELETE); // Rows (3, 6) were deleted
47 * </pre>
48 *
49 * It is possible to use other combinations of the parameters, not all of them
50 * are meaningful. By subclassing, you can add other information, for example:
51 * whether the event WILL happen or DID happen. This makes the specification
52 * of rows in DELETE events more useful but has not been included in
53 * the swing package as the JTable only needs post-event notification.
54 * <p>
55 * <strong>Warning:</strong>
56 * Serialized objects of this class will not be compatible with
57 * future Swing releases. The current serialization support is
58 * appropriate for short term storage or RMI between applications running
59 * the same version of Swing. As of 1.4, support for long term storage
60 * of all JavaBeans™
61 * has been added to the <code>java.beans</code> package.
62 * Please see {@link java.beans.XMLEncoder}.
63 *
64 * @author Alan Chung
65 * @author Philip Milne
66 * @see TableModel
67 */
68 @SuppressWarnings("serial") // Same-version serialization only
69 public class TableModelEvent extends java.util.EventObject
70 {
71 /** Identifies the addition of new rows or columns. */
72 public static final int INSERT = 1;
73 /** Identifies a change to existing data. */
74 public static final int UPDATE = 0;
75 /** Identifies the removal of rows or columns. */
76 public static final int DELETE = -1;
77
78 /** Identifies the header row. */
79 public static final int HEADER_ROW = -1;
80
81 /** Specifies all columns in a row or rows. */
91 protected int type;
92 /**
93 * The first row that has changed.
94 */
95 protected int firstRow;
96 /**
97 * The last row that has changed.
98 */
99 protected int lastRow;
100 /**
101 * The column for the event.
102 */
103 protected int column;
104
105 //
106 // Constructors
107 //
108
109 /**
110 * All row data in the table has changed, listeners should discard any state
111 * that was based on the rows and requery the <code>TableModel</code>
112 * to get the new row count and all the appropriate values.
113 * The <code>JTable</code> will repaint the entire visible region on
114 * receiving this event, querying the model for the cell values that are visible.
115 * The structure of the table ie, the column names, types and order
116 * have not changed.
117 *
118 * @param source the {@code TableModel} affected by this event
119 */
120 public TableModelEvent(TableModel source) {
121 // Use Integer.MAX_VALUE instead of getRowCount() in case rows were deleted.
122 this(source, 0, Integer.MAX_VALUE, ALL_COLUMNS, UPDATE);
123 }
124
125 /**
126 * This row of data has been updated.
127 * To denote the arrival of a completely new table with a different structure
128 * use <code>HEADER_ROW</code> as the value for the <code>row</code>.
129 * When the <code>JTable</code> receives this event and its
130 * <code>autoCreateColumnsFromModel</code>
131 * flag is set it discards any TableColumns that it had and reallocates
132 * default ones in the order they appear in the model. This is the
133 * same as calling <code>setModel(TableModel)</code> on the <code>JTable</code>.
134 *
135 * @param source the {@code TableModel} affected by this event
136 * @param row the row which has been updated
137 */
138 public TableModelEvent(TableModel source, int row) {
139 this(source, row, row, ALL_COLUMNS, UPDATE);
140 }
141
142 /**
143 * The data in rows [<I>firstRow</I>, <I>lastRow</I>] have been updated.
144 *
145 * @param source the {@code TableModel} affected by this event
146 * @param firstRow the first row affected by this event
147 * @param lastRow the last row affected by this event
148 */
149 public TableModelEvent(TableModel source, int firstRow, int lastRow) {
150 this(source, firstRow, lastRow, ALL_COLUMNS, UPDATE);
151 }
152
153 /**
|
41 * TableModelEvent(source, HEADER_ROW); // Structure change, reallocate TableColumns
42 * TableModelEvent(source, 1); // Row 1 changed
43 * TableModelEvent(source, 3, 6); // Rows 3 to 6 inclusive changed
44 * TableModelEvent(source, 2, 2, 6); // Cell at (2, 6) changed
45 * TableModelEvent(source, 3, 6, ALL_COLUMNS, INSERT); // Rows (3, 6) were inserted
46 * TableModelEvent(source, 3, 6, ALL_COLUMNS, DELETE); // Rows (3, 6) were deleted
47 * </pre>
48 *
49 * It is possible to use other combinations of the parameters, not all of them
50 * are meaningful. By subclassing, you can add other information, for example:
51 * whether the event WILL happen or DID happen. This makes the specification
52 * of rows in DELETE events more useful but has not been included in
53 * the swing package as the JTable only needs post-event notification.
54 * <p>
55 * <strong>Warning:</strong>
56 * Serialized objects of this class will not be compatible with
57 * future Swing releases. The current serialization support is
58 * appropriate for short term storage or RMI between applications running
59 * the same version of Swing. As of 1.4, support for long term storage
60 * of all JavaBeans™
61 * has been added to the {@code java.beans} package.
62 * Please see {@link java.beans.XMLEncoder}.
63 *
64 * @author Alan Chung
65 * @author Philip Milne
66 * @see TableModel
67 */
68 @SuppressWarnings("serial") // Same-version serialization only
69 public class TableModelEvent extends java.util.EventObject
70 {
71 /** Identifies the addition of new rows or columns. */
72 public static final int INSERT = 1;
73 /** Identifies a change to existing data. */
74 public static final int UPDATE = 0;
75 /** Identifies the removal of rows or columns. */
76 public static final int DELETE = -1;
77
78 /** Identifies the header row. */
79 public static final int HEADER_ROW = -1;
80
81 /** Specifies all columns in a row or rows. */
91 protected int type;
92 /**
93 * The first row that has changed.
94 */
95 protected int firstRow;
96 /**
97 * The last row that has changed.
98 */
99 protected int lastRow;
100 /**
101 * The column for the event.
102 */
103 protected int column;
104
105 //
106 // Constructors
107 //
108
109 /**
110 * All row data in the table has changed, listeners should discard any state
111 * that was based on the rows and requery the {@code TableModel}
112 * to get the new row count and all the appropriate values.
113 * The {@code JTable} will repaint the entire visible region on
114 * receiving this event, querying the model for the cell values that are visible.
115 * The structure of the table ie, the column names, types and order
116 * have not changed.
117 *
118 * @param source the {@code TableModel} affected by this event
119 */
120 public TableModelEvent(TableModel source) {
121 // Use Integer.MAX_VALUE instead of getRowCount() in case rows were deleted.
122 this(source, 0, Integer.MAX_VALUE, ALL_COLUMNS, UPDATE);
123 }
124
125 /**
126 * This row of data has been updated.
127 * To denote the arrival of a completely new table with a different structure
128 * use {@code HEADER_ROW} as the value for the {@code row}.
129 * When the {@code JTable} receives this event and its
130 * {@code autoCreateColumnsFromModel}
131 * flag is set it discards any TableColumns that it had and reallocates
132 * default ones in the order they appear in the model. This is the
133 * same as calling {@code setModel(TableModel)} on the {@code JTable}.
134 *
135 * @param source the {@code TableModel} affected by this event
136 * @param row the row which has been updated
137 */
138 public TableModelEvent(TableModel source, int row) {
139 this(source, row, row, ALL_COLUMNS, UPDATE);
140 }
141
142 /**
143 * The data in rows [<I>firstRow</I>, <I>lastRow</I>] have been updated.
144 *
145 * @param source the {@code TableModel} affected by this event
146 * @param firstRow the first row affected by this event
147 * @param lastRow the last row affected by this event
148 */
149 public TableModelEvent(TableModel source, int firstRow, int lastRow) {
150 this(source, firstRow, lastRow, ALL_COLUMNS, UPDATE);
151 }
152
153 /**
|