Bug 88998 Clean dialog layout is wasteful
The clean dialog has a large empty space on the left that will never be used. I think the layout should be improved. Perhaps the radio buttons on the top and table underneath.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/CleanDialog.java
}
    /* (non-Javadoc)
     * @see org.eclipse.jface.dialogs.MessageDialog#createCustomArea(org.eclipse.swt.widgets.Composite)
     */
    protected Control createCustomArea(Composite parent) {
        Composite radioGroup = new Composite(parent, SWT.NONE);
        GridLayout layout = new GridLayout();
        layout.marginWidth = layout.marginHeight = 0;
        layout.numColumns = 3;
        radioGroup.setLayout(layout);
        radioGroup.setLayoutData(new GridData(GridData.FILL_BOTH));
        SelectionListener updateEnablement = new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                updateEnablement();
            }
        };
        IDialogSettings settings = getDialogSettings(DIALOG_SETTINGS_SECTION);
        boolean selectSelectedButton= settings.getBoolean(TOGGLE_SELECTED);
        
        allButton = new Button(radioGroup, SWT.RADIO);
        allButton.setText(IDEWorkbenchMessages.CleanDialog_cleanAllButton);
        allButton.setSelection(!selectSelectedButton);
        allButton.addSelectionListener(updateEnablement);
        
        new Label(radioGroup, SWT.NONE);
        new Label(radioGroup, SWT.NONE);
        
        selectedButton = new Button(radioGroup, SWT.RADIO);
        selectedButton.setText(IDEWorkbenchMessages.CleanDialog_cleanSelectedButton);
        GridData data = new GridData();