import com.sun.hotspot.igv.filterwindow.actions.RemoveFilterAction; //导入依赖的package包/类
private FilterTopComponent() {
    filterSettingsChangedEvent = new ChangedEvent<FilterTopComponent>(this);
    initComponents();
    setName(NbBundle.getMessage(FilterTopComponent.class, "CTL_FilterTopComponent"));
    setToolTipText(NbBundle.getMessage(FilterTopComponent.class, "HINT_FilterTopComponent"));
    //        setIcon(Utilities.loadImage(ICON_PATH, true));

    sequence = new FilterChain();
    filterChain = new FilterChain();
    initFilters();
    manager = new ExplorerManager();
    manager.setRootContext(new AbstractNode(new FilterChildren()));
    associateLookup(ExplorerUtils.createLookup(manager, getActionMap()));
    view = new CheckListView();

    ToolbarPool.getDefault().setPreferredIconSize(16);
    Toolbar toolBar = new Toolbar();
    Border b = (Border) UIManager.get("Nb.Editor.Toolbar.border"); //NOI18N
    toolBar.setBorder(b);
    comboBox = new JComboBox();
    toolBar.add(comboBox);
    this.add(toolBar, BorderLayout.NORTH);
    toolBar.add(SaveFilterSettingsAction.get(SaveFilterSettingsAction.class));
    toolBar.add(RemoveFilterSettingsAction.get(RemoveFilterSettingsAction.class));
    toolBar.addSeparator();
    toolBar.add(MoveFilterUpAction.get(MoveFilterUpAction.class).createContextAwareInstance(this.getLookup()));
    toolBar.add(MoveFilterDownAction.get(MoveFilterDownAction.class).createContextAwareInstance(this.getLookup()));
    toolBar.add(RemoveFilterAction.get(RemoveFilterAction.class).createContextAwareInstance(this.getLookup()));
    toolBar.add(NewFilterAction.get(NewFilterAction.class));
    this.add(view, BorderLayout.CENTER);

    filterSettings = new ArrayList<FilterSetting>();
    updateComboBox();

    comboBox.addActionListener(comboBoxActionListener);
    setChain(filterChain);
}
 

import com.sun.hotspot.igv.filterwindow.actions.RemoveFilterAction; //导入依赖的package包/类
@Override
public Action[] getActions(boolean b) {
    return new Action[]{(Action) OpenAction.findObject(OpenAction.class, true), (Action) MoveFilterUpAction.findObject(MoveFilterUpAction.class, true), (Action) MoveFilterDownAction.findObject(MoveFilterDownAction.class, true), (Action) RemoveFilterAction.findObject(RemoveFilterAction.class, true)};
}