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import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ControlAdapter;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.ScrollBar;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
public class Exemple {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
final Composite comp = new Composite(shell, SWT.NONE);
comp.setLayout(new GridLayout(2, false));
final Table table = new Table(comp, SWT.BORDER | SWT.V_SCROLL);
table.setHeaderVisible(true);
table.setLinesVisible(true);
table.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, true, 2, 1));
construitColonnes(table, 0);
construitColonnes(table, 1);
final ControlAdapter ca = new ControlAdapter() {
public void controlResized(ControlEvent e) {
Rectangle area = comp.getClientArea();
Point size = table.computeSize(SWT.DEFAULT, SWT.DEFAULT);
ScrollBar vBar = table.getVerticalBar();
int width = area.width - 10;
if (size.y > area.height + table.getHeaderHeight()) {
// Subtract the scrollbar width from the total column width
// if a vertical scrollbar will be required
Point vBarSize = vBar.getSize();
width -= vBarSize.x;
}
Point oldSize = table.getSize();
if (oldSize.x > area.width) {
// table is getting smaller so make the columns
// smaller first and then resize the table to
// match the client area width
computeColumnSize(width);
table.setSize(area.width, area.height);
} else {
// table is getting bigger so make the table
// bigger first and then make the columns wider
// to match the client area width
table.setSize(area.width, area.height);
computeColumnSize(width);
}
}
private void computeColumnSize(int width) {
int totalSize = 20;
for (int i = 0, n = table.getColumnCount(); i < n; i++) {
if (i == n - 1) {
table.getColumn(i).setWidth(width - totalSize);
} else {
table.getColumn(i).setWidth(width / n);
}
totalSize += table.getColumn(i).getWidth();
}
}
};
comp.addControlListener(ca);
Button add = new Button(comp, SWT.PUSH);
add.setLayoutData(new GridData(GridData.END, GridData.BEGINNING, true, false));
add.setText("Ajouter une colonne");
add.addSelectionListener(new SelectionAdapter() {
/**
* @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
*/
@Override
public void widgetSelected(SelectionEvent arg0) {
table.getParent().setRedraw(false);
construitColonnes(table, table.getColumnCount());
ca.controlResized(null);
table.getParent().layout();
table.getParent().setRedraw(true);
}
});
Button remove = new Button(comp, SWT.PUSH);
remove.setLayoutData(new GridData(GridData.END, GridData.BEGINNING, false, false));
remove.setText("Supprimer une colonne");
remove.addSelectionListener(new SelectionAdapter() {
/**
* @see org.eclipse.swt.events.SelectionAdapter#widgetSelected(org.eclipse.swt.events.SelectionEvent)
*/
@Override
public void widgetSelected(SelectionEvent arg0) {
if (table.getColumnCount() == 1) {
return;
}
table.getParent().setRedraw(false);
table.getColumn(table.getColumnCount()-1).dispose();
ca.controlResized(null);
table.getParent().layout();
table.getParent().setRedraw(true);
}
});
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
private static void construitColonnes(Table table, int j) {
final TableColumn column = new TableColumn(table, SWT.NONE);
column.setText("Column " + j);
for (int i = 0; i < 10; i++) {
TableItem item;
if (j==0) {
item = new TableItem(table, SWT.NONE);
} else {
item = table.getItem(i);
}
item.setText(j, "item " + j + i);
}
}
} |
