corejava第10版
This commit is contained in:
deyou committed
1 parent
2021c3c227
commit
6165543dd3
1088 files changed
+94411
No files matched your search
@@ -0,0 +1,194 @@
|
||||
package tableRowColumn;
|
||||
|
||||
import java.awt.*;
|
||||
import java.util.*;
|
||||
|
||||
import javax.swing.*;
|
||||
import javax.swing.table.*;
|
||||
|
||||
/**
|
||||
* This frame contains a table of planet data.
|
||||
*/
|
||||
public class PlanetTableFrame extends JFrame
|
||||
{
|
||||
private static final int DEFAULT_WIDTH = 600;
|
||||
private static final int DEFAULT_HEIGHT = 500;
|
||||
|
||||
public static final int COLOR_COLUMN = 4;
|
||||
public static final int IMAGE_COLUMN = 5;
|
||||
|
||||
private JTable table;
|
||||
private HashSet<Integer> removedRowIndices;
|
||||
private ArrayList<TableColumn> removedColumns;
|
||||
private JCheckBoxMenuItem rowsItem;
|
||||
private JCheckBoxMenuItem columnsItem;
|
||||
private JCheckBoxMenuItem cellsItem;
|
||||
|
||||
private String[] columnNames = { "Planet", "Radius", "Moons", "Gaseous", "Color", "Image" };
|
||||
|
||||
private Object[][] cells = {
|
||||
{ "Mercury", 2440.0, 0, false, Color.YELLOW,
|
||||
new ImageIcon(getClass().getResource("Mercury.gif")) },
|
||||
{ "Venus", 6052.0, 0, false, Color.YELLOW,
|
||||
new ImageIcon(getClass().getResource("Venus.gif")) },
|
||||
{ "Earth", 6378.0, 1, false, Color.BLUE,
|
||||
new ImageIcon(getClass().getResource("Earth.gif")) },
|
||||
{ "Mars", 3397.0, 2, false, Color.RED,
|
||||
new ImageIcon(getClass().getResource("Mars.gif")) },
|
||||
{ "Jupiter", 71492.0, 16, true, Color.ORANGE,
|
||||
new ImageIcon(getClass().getResource("Jupiter.gif")) },
|
||||
{ "Saturn", 60268.0, 18, true, Color.ORANGE,
|
||||
new ImageIcon(getClass().getResource("Saturn.gif")) },
|
||||
{ "Uranus", 25559.0, 17, true, Color.BLUE,
|
||||
new ImageIcon(getClass().getResource("Uranus.gif")) },
|
||||
{ "Neptune", 24766.0, 8, true, Color.BLUE,
|
||||
new ImageIcon(getClass().getResource("Neptune.gif")) },
|
||||
{ "Pluto", 1137.0, 1, false, Color.BLACK,
|
||||
new ImageIcon(getClass().getResource("Pluto.gif")) } };
|
||||
|
||||
public PlanetTableFrame()
|
||||
{
|
||||
setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
|
||||
|
||||
TableModel model = new DefaultTableModel(cells, columnNames)
|
||||
{
|
||||
public Class<?> getColumnClass(int c)
|
||||
{
|
||||
return cells[0][c].getClass();
|
||||
}
|
||||
};
|
||||
|
||||
table = new JTable(model);
|
||||
|
||||
table.setRowHeight(100);
|
||||
table.getColumnModel().getColumn(COLOR_COLUMN).setMinWidth(250);
|
||||
table.getColumnModel().getColumn(IMAGE_COLUMN).setMinWidth(100);
|
||||
|
||||
final TableRowSorter<TableModel> sorter = new TableRowSorter<>(model);
|
||||
table.setRowSorter(sorter);
|
||||
sorter.setComparator(COLOR_COLUMN, Comparator.comparing(Color::getBlue)
|
||||
.thenComparing(Color::getGreen).thenComparing(Color::getRed));
|
||||
sorter.setSortable(IMAGE_COLUMN, false);
|
||||
add(new JScrollPane(table), BorderLayout.CENTER);
|
||||
|
||||
removedRowIndices = new HashSet<>();
|
||||
removedColumns = new ArrayList<>();
|
||||
|
||||
final RowFilter<TableModel, Integer> filter = new RowFilter<TableModel, Integer>()
|
||||
{
|
||||
public boolean include(Entry<? extends TableModel, ? extends Integer> entry)
|
||||
{
|
||||
return !removedRowIndices.contains(entry.getIdentifier());
|
||||
}
|
||||
};
|
||||
|
||||
// create menu
|
||||
|
||||
JMenuBar menuBar = new JMenuBar();
|
||||
setJMenuBar(menuBar);
|
||||
|
||||
JMenu selectionMenu = new JMenu("Selection");
|
||||
menuBar.add(selectionMenu);
|
||||
|
||||
rowsItem = new JCheckBoxMenuItem("Rows");
|
||||
columnsItem = new JCheckBoxMenuItem("Columns");
|
||||
cellsItem = new JCheckBoxMenuItem("Cells");
|
||||
|
||||
rowsItem.setSelected(table.getRowSelectionAllowed());
|
||||
columnsItem.setSelected(table.getColumnSelectionAllowed());
|
||||
cellsItem.setSelected(table.getCellSelectionEnabled());
|
||||
|
||||
rowsItem.addActionListener(event ->
|
||||
{
|
||||
table.clearSelection();
|
||||
table.setRowSelectionAllowed(rowsItem.isSelected());
|
||||
updateCheckboxMenuItems();
|
||||
});
|
||||
selectionMenu.add(rowsItem);
|
||||
|
||||
columnsItem.addActionListener(event ->
|
||||
{
|
||||
table.clearSelection();
|
||||
table.setColumnSelectionAllowed(columnsItem.isSelected());
|
||||
updateCheckboxMenuItems();
|
||||
});
|
||||
selectionMenu.add(columnsItem);
|
||||
|
||||
cellsItem.addActionListener(event ->
|
||||
{
|
||||
table.clearSelection();
|
||||
table.setCellSelectionEnabled(cellsItem.isSelected());
|
||||
updateCheckboxMenuItems();
|
||||
});
|
||||
selectionMenu.add(cellsItem);
|
||||
|
||||
JMenu tableMenu = new JMenu("Edit");
|
||||
menuBar.add(tableMenu);
|
||||
|
||||
JMenuItem hideColumnsItem = new JMenuItem("Hide Columns");
|
||||
hideColumnsItem.addActionListener(event ->
|
||||
{
|
||||
int[] selected = table.getSelectedColumns();
|
||||
TableColumnModel columnModel = table.getColumnModel();
|
||||
|
||||
// remove columns from view, starting at the last
|
||||
// index so that column numbers aren't affected
|
||||
|
||||
for (int i = selected.length - 1; i >= 0; i--)
|
||||
{
|
||||
TableColumn column = columnModel.getColumn(selected[i]);
|
||||
table.removeColumn(column);
|
||||
|
||||
// store removed columns for "show columns" command
|
||||
|
||||
removedColumns.add(column);
|
||||
}
|
||||
});
|
||||
tableMenu.add(hideColumnsItem);
|
||||
|
||||
JMenuItem showColumnsItem = new JMenuItem("Show Columns");
|
||||
showColumnsItem.addActionListener(event ->
|
||||
{
|
||||
// restore all removed columns
|
||||
for (TableColumn tc : removedColumns)
|
||||
table.addColumn(tc);
|
||||
removedColumns.clear();
|
||||
});
|
||||
tableMenu.add(showColumnsItem);
|
||||
|
||||
JMenuItem hideRowsItem = new JMenuItem("Hide Rows");
|
||||
hideRowsItem.addActionListener(event ->
|
||||
{
|
||||
int[] selected = table.getSelectedRows();
|
||||
for (int i : selected)
|
||||
removedRowIndices.add(table.convertRowIndexToModel(i));
|
||||
sorter.setRowFilter(filter);
|
||||
});
|
||||
tableMenu.add(hideRowsItem);
|
||||
|
||||
JMenuItem showRowsItem = new JMenuItem("Show Rows");
|
||||
showRowsItem.addActionListener(event ->
|
||||
{
|
||||
removedRowIndices.clear();
|
||||
sorter.setRowFilter(filter);
|
||||
});
|
||||
tableMenu.add(showRowsItem);
|
||||
|
||||
JMenuItem printSelectionItem = new JMenuItem("Print Selection");
|
||||
printSelectionItem.addActionListener(event ->
|
||||
{
|
||||
int[] selected = table.getSelectedRows();
|
||||
System.out.println("Selected rows: " + Arrays.toString(selected));
|
||||
selected = table.getSelectedColumns();
|
||||
System.out.println("Selected columns: " + Arrays.toString(selected));
|
||||
});
|
||||
tableMenu.add(printSelectionItem);
|
||||
}
|
||||
|
||||
private void updateCheckboxMenuItems()
|
||||
{
|
||||
rowsItem.setSelected(table.getRowSelectionAllowed());
|
||||
columnsItem.setSelected(table.getColumnSelectionAllowed());
|
||||
cellsItem.setSelected(table.getCellSelectionEnabled());
|
||||
}
|
||||
}
|
||||
Reference in new issue
Block a user