下面列出了javax.swing.table.JTableHeader#repaint ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* Handle a mouse press event - if the user is NOT resizing a column and NOT dragging a column
* then give visual feedback that the column header has been pressed.
*
* @param e the mouse event.
*/
public void mousePressed(final MouseEvent e) {
final JTableHeader header = (JTableHeader) e.getComponent();
if (header.getResizingColumn() == null) { // resizing takes precedence over sorting
if (header.getDraggedDistance() < 1) { // dragging also takes precedence over sorting
final int columnIndex = header.columnAtPoint(e.getPoint());
final int modelColumnIndex
= header.getTable().convertColumnIndexToModel(columnIndex);
if (this.model.isSortable(modelColumnIndex)) {
this.sortColumnIndex = header.getTable().convertColumnIndexToModel(columnIndex);
this.renderer.setPressedColumn(this.sortColumnIndex);
header.repaint();
if (header.getTable().isEditing()) {
header.getTable().getCellEditor().stopCellEditing();
}
}
else {
this.sortColumnIndex = -1;
}
}
}
}
/**
* When the user releases the mouse button, we attempt to sort the table.
*
* @param e the mouse event.
*/
public void mouseReleased(final MouseEvent e) {
final JTableHeader header = (JTableHeader) e.getComponent();
if (header.getResizingColumn() == null) { // resizing takes precedence over sorting
if (this.sortColumnIndex != -1) {
final SortableTableModel model = (SortableTableModel) header.getTable().getModel();
final boolean ascending = !model.isAscending();
model.setAscending(ascending);
model.sortByColumn(this.sortColumnIndex, ascending);
this.renderer.setPressedColumn(-1); // clear
header.repaint();
}
}
}
@Override public void mousePressed(MouseEvent e) {
JTableHeader h = (JTableHeader) e.getComponent();
TableColumnModel columnModel = h.getColumnModel();
int viewColumn = columnModel.getColumnIndexAtX(e.getX());
if (viewColumn < 0) {
return;
}
TableCellRenderer tcr = h.getDefaultRenderer();
int column = columnModel.getColumn(viewColumn).getModelIndex();
if (column != -1 && tcr instanceof SortButtonRenderer) {
SortButtonRenderer sbr = (SortButtonRenderer) tcr;
sbr.setPressedColumn(column);
sbr.setSelectedColumn(column);
h.repaint();
JTable table = h.getTable();
if (table.isEditing()) {
table.getCellEditor().stopCellEditing();
}
SortableTableModel model = (SortableTableModel) table.getModel();
model.sortByColumn(column, SortButtonRenderer.DOWN == sbr.getState(column));
}
}
@Override public void tableChanged(TableModelEvent e) {
int vci = table.convertColumnIndexToView(targetColumnIndex);
TableColumn column = table.getColumnModel().getColumn(vci);
Object status = column.getHeaderValue();
TableModel m = table.getModel();
boolean repaint = false;
if (e.getType() == TableModelEvent.DELETE) {
// System.out.println("DELETE");
// System.out.println(status + ": " + Status.INDETERMINATE.equals(status));
repaint = fireDeleteEvent(m, column, status);
} else if (e.getType() == TableModelEvent.INSERT && status != Status.INDETERMINATE) {
// System.out.println("INSERT");
repaint = fireInsertEvent(m, column, status, e);
} else if (e.getType() == TableModelEvent.UPDATE && e.getColumn() == targetColumnIndex) {
// System.out.println("UPDATE");
repaint = fireUpdateEvent(m, column, status);
}
if (repaint) {
JTableHeader h = table.getTableHeader();
h.repaint(h.getHeaderRect(vci));
}
}
@Override public void mousePressed(MouseEvent e) {
JTableHeader h = (JTableHeader) e.getComponent();
TableColumnModel columnModel = h.getColumnModel();
int viewColumn = columnModel.getColumnIndexAtX(e.getX());
if (viewColumn < 0) {
return;
}
TableCellRenderer tcr = h.getDefaultRenderer();
int column = columnModel.getColumn(viewColumn).getModelIndex();
if (column != -1 && tcr instanceof SortButtonRenderer) {
SortButtonRenderer sbr = (SortButtonRenderer) tcr;
sbr.setPressedColumn(column);
sbr.setSelectedColumn(column);
h.repaint();
JTable table = h.getTable();
if (table.isEditing()) {
table.getCellEditor().stopCellEditing();
}
SortableTableModel model = (SortableTableModel) table.getModel();
model.sortByColumn(column, SortButtonRenderer.DOWN == sbr.getState(column));
}
}
private static JTable makeJTable() {
JTable table = new JTable(4, 3);
table.setAutoCreateRowSorter(true);
JPopupMenu popup = new JPopupMenu() {
@Override public void show(Component c, int x, int y) {
if (c instanceof JTableHeader) {
JTableHeader header = (JTableHeader) c;
header.setDraggedColumn(null);
header.repaint();
header.getTable().repaint();
super.show(c, x, y);
}
}
};
popup.add("Item 1");
popup.add("Item 2");
popup.add("Item 3");
table.getTableHeader().setComponentPopupMenu(popup);
return table;
}
@Override public void mousePressed(MouseEvent e) {
JTableHeader h = (JTableHeader) e.getComponent();
TableColumnModel columnModel = h.getColumnModel();
int viewColumn = columnModel.getColumnIndexAtX(e.getX());
if (viewColumn < 0) {
return;
}
TableCellRenderer tcr = h.getDefaultRenderer();
int column = columnModel.getColumn(viewColumn).getModelIndex();
if (column != -1 && tcr instanceof SortButtonRenderer) {
SortButtonRenderer sbr = (SortButtonRenderer) tcr;
if (!sbr.isEnabledAt(column)) {
return;
}
sbr.setPressedColumn(column);
sbr.setSelectedColumn(column);
h.repaint();
JTable table = h.getTable();
if (table.isEditing()) {
table.getCellEditor().stopCellEditing();
}
SortableTableModel model = (SortableTableModel) table.getModel();
model.sortByColumn(column, SortButtonRenderer.DOWN == sbr.getState(column));
}
}
private void repaintTimeline() {
JTableHeader header = threadsTable.getTableHeader();
TableColumn draggedColumn = header.getDraggedColumn();
if (draggedColumn != null && draggedColumn.getModelIndex() == 2) {
header.repaint();
} else {
int _column = threadsTable.convertColumnIndexToView(2);
header.repaint(header.getHeaderRect(_column));
}
}
public void populateTableHeaders() {
final SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
final Calendar c = Calendar.getInstance();
c.setTime(masterDate.getTime());
JTableHeader tableHeader = table.getTableHeader();
TableColumnModel tableColumnModel = tableHeader.getColumnModel();
TableColumn tableColumn;
tableColumn = tableColumnModel.getColumn(0);
tableColumn.setHeaderValue("ROOM");
tableColumn = tableColumnModel.getColumn(1);
tableColumn.setHeaderValue("TYPE");
tableColumn = tableColumnModel.getColumn(2);
tableColumn.setHeaderValue("STATUS");
//start the date from minus 1 to get today date.
c.add(Calendar.DATE, -1);
//start the loop from 3 because first 3 columns already
//populated up and the loop on 10 to get one week
for (int i = 3; i < 10; i++) {
c.add(Calendar.DATE, 1);
today = simpleDateFormat.format(c.getTime());
tableColumn = tableColumnModel.getColumn(i);
tableColumn.setHeaderValue(today);
//store dates in special array to use it in bottom
weekDates[i] = today;
}
tableHeader.revalidate();
tableHeader.repaint();
}
private void repaintTimeline() {
JTableHeader header = threadsTable.getTableHeader();
TableColumn draggedColumn = header.getDraggedColumn();
if (draggedColumn != null && draggedColumn.getModelIndex() == 2) {
header.repaint();
} else {
int _column = threadsTable.convertColumnIndexToView(2);
header.repaint(header.getHeaderRect(_column));
}
}
@Override public void tableChanged(TableModelEvent e) {
if (e.getType() == TableModelEvent.UPDATE && e.getColumn() == targetColumnIndex) {
int vci = table.convertColumnIndexToView(targetColumnIndex);
TableColumn column = table.getColumnModel().getColumn(vci);
Object status = column.getHeaderValue();
TableModel m = table.getModel();
if (m instanceof DefaultTableModel && fireUpdateEvent((DefaultTableModel) m, column, status)) {
JTableHeader h = table.getTableHeader();
h.repaint(h.getHeaderRect(vci));
}
}
}
@Override public void tableChanged(TableModelEvent e) {
if (e.getType() == TableModelEvent.UPDATE && e.getColumn() == targetColumnIndex) {
int vci = table.convertColumnIndexToView(targetColumnIndex);
TableColumn column = table.getColumnModel().getColumn(vci);
Object status = column.getHeaderValue();
TableModel m = table.getModel();
if (m instanceof DefaultTableModel && fireUpdateEvent((DefaultTableModel) m, column, status)) {
JTableHeader h = table.getTableHeader();
h.repaint(h.getHeaderRect(vci));
}
}
}
@Override public void show(Component c, int x, int y) {
if (c instanceof JTableHeader) {
JTableHeader header = (JTableHeader) c;
JTable table = header.getTable();
header.setDraggedColumn(null);
header.repaint();
table.repaint();
int i = table.convertColumnIndexToModel(header.columnAtPoint(new Point(x, y)));
if (i >= 0) {
actions.forEach(a -> a.setIndex(i));
super.show(c, x, y);
}
}
}
@Override public void show(Component c, int x, int y) {
if (c instanceof JTableHeader) {
JTableHeader header = (JTableHeader) c;
header.setDraggedColumn(null);
header.repaint();
header.getTable().repaint();
index = header.columnAtPoint(new Point(x, y));
if (index >= 0) {
super.show(c, x, y);
}
}
}
@Override public void tableChanged(TableModelEvent e) {
if (e.getType() == TableModelEvent.UPDATE && e.getColumn() == targetColumnIndex) {
int vci = table.convertColumnIndexToView(targetColumnIndex);
TableColumn column = table.getColumnModel().getColumn(vci);
Object status = column.getHeaderValue();
TableModel m = table.getModel();
if (m instanceof DefaultTableModel && fireUpdateEvent((DefaultTableModel) m, column, status)) {
JTableHeader h = table.getTableHeader();
h.repaint(h.getHeaderRect(vci));
}
}
}
@Override public void show(Component c, int x, int y) {
if (c instanceof JTableHeader) {
JTableHeader header = (JTableHeader) c;
header.setDraggedColumn(null); // bookmark_1
// if (header.getDraggedColumn() != null) remain dirty area >>>
header.repaint();
header.getTable().repaint();
// <<<
index = header.columnAtPoint(new Point(x, y));
super.show(c, x, y);
}
}
@Override public void show(Component c, int x, int y) {
if (c instanceof JTableHeader) {
JTableHeader header = (JTableHeader) c;
header.setDraggedColumn(null);
header.repaint();
header.getTable().repaint();
updateMenuItems(header.getColumnModel());
super.show(c, x, y);
}
}