Java Code Examples for javax.swing.JMenuItem#getAction()

@Override
public void menuSelected (MenuEvent e)
{
    boolean enabled = StubsController.getCurrentStub() != null;

    for (int i = 0; i < menu.getItemCount(); i++) {
        JMenuItem item = menu.getItem(i);

        // Beware of separators (for which returned menuItem is null)
        if (item != null) {
            item.setEnabled(enabled);

            // Indicate which plugin is the default (if any)
            Action action = item.getAction();

            if (action instanceof PluginAction) {
                Plugin plugin = ((PluginAction) action).getPlugin();
                item.setText(
                        plugin.getId() + ((plugin == defaultPlugin) ? " (default)" : ""));
            }
        }
    }
}
 

/** Sets the state of JMenuItem*/
protected @Override void setMenu(){
    
    ActionMap am = getContextActionMap();
    Action action = null;
    if (am != null) {
        action = am.get(getActionName());
    }
    
    JMenuItem presenter = getMenuPresenter();
    Action presenterAction = presenter.getAction();
    if (presenterAction == null){
        presenter.setAction(this);
        presenter.setToolTipText(null); /* bugfix #62872 */ 
        menuInitialized = false;
    } 
    else {
        if (!this.equals(presenterAction)){
            presenter.setAction(this);
            presenter.setToolTipText(null); /* bugfix #62872 */
            menuInitialized = false;
        }
    }

    if (!menuInitialized){
        Mnemonics.setLocalizedText(presenter, getMenuItemText());
        menuInitialized = true;
    }

    presenter.setEnabled(action != null);
    JTextComponent comp = Utilities.getFocusedComponent();
    if (comp != null && comp instanceof JEditorPane){
        addAccelerators(this, presenter, comp);
    } else {
        presenter.setAccelerator(getDefaultAccelerator());
    }

}
 

@Override
public void menuSelected(MenuEvent event) {
    JMenu menu = (JMenu) event.getSource();
    for (Component component : menu.getMenuComponents()) {
        if (component instanceof JMenuItem) {
            JMenuItem item   = (JMenuItem) component;
            Action    action = item.getAction();
            if (action instanceof Command) {
                ((Command) action).adjust();
            }
        }
    }
}
 

public static void adjustMenuTree(JPopupMenu menu) {
    for (Component component : menu.getComponents()) {
        if (component instanceof JMenu) {
            adjustMenuTree((JMenu) component);
        } else if (component instanceof JMenuItem) {
            JMenuItem item   = (JMenuItem) component;
            Action    action = item.getAction();
            if (action instanceof Command) {
                ((Command) action).adjust();
            }
        }
    }
}
 

public static void adjustMenuTree(JMenu menu) {
    for (Component component : menu.getMenuComponents()) {
        if (component instanceof JMenu) {
            adjustMenuTree((JMenu) component);
        } else if (component instanceof JMenuItem) {
            JMenuItem item   = (JMenuItem) component;
            Action    action = item.getAction();
            if (action instanceof Command) {
                ((Command) action).adjust();
            }
        }
    }
}
 

@Override
public void mouseEntered (MouseEvent e)
{
    JMenuItem item = (JMenuItem) e.getSource();
    InterAction action = (InterAction) item.getAction();
    action.publish();
}
 

@Override
public void mouseEntered (MouseEvent e)
{
    JMenuItem item = (JMenuItem) e.getSource();
    RelationAction relationAction = (RelationAction) item.getAction();
    relationAction.publish();
}
 

@Override
public void mouseReleased (MouseEvent e)
{
    JMenuItem item = (JMenuItem) e.getSource();
    RelationAction ra = (RelationAction) item.getAction();
    SIGraph sig = ra.getInter().getSig();
    Relation relation = ra.getRelation();
    String relStr = relation.getName();

    if (OMR.gui.displayConfirmation("Remove " + relStr + " relation?")) {
        interController.unlink(sig, relation);
    }
}
 

private static void setActionsMenu(JDialog dialog, MenuElement menu) {
        MenuElement[] subItems = menu.getSubElements();
        InputMap inputMap = dialog.getRootPane().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
        for (MenuElement menuElement : subItems) {
            if (menuElement instanceof JMenuItem) {
                final JMenuItem menuItem = (JMenuItem) menuElement;
                if (menuItem.getAccelerator() != null) {
                    String key = "hackAction" + counter++;
                    inputMap.put(menuItem.getAccelerator(), key);

                    if (menuItem.getAction() == null) {
                        dialog.getRootPane().getActionMap().put(key,
                                new AbstractAction() {
                            @Override
                            public void actionPerformed(ActionEvent e) {
                                menuItem.doClick();
                            }
                        });
                    } else {
                        dialog.getRootPane().getActionMap().put(key,
                                menuItem.getAction());
                    }

//                     System.out.println(key + " : "
//                     + menuItem.getText()+ " : "
//                     + menuItem.getActionCommand() + " : "
//                     + menuItem.getAccelerator() + " : "
//                     + menuItem.getAction());
                }
            }
            // the original code had an else condition here, which is wrong.
            // JMenu is a subclass of JMenuItem, which prevents sub-menus from being traversed.
            if (menuElement.getSubElements().length > 0) {
                setActionsMenu(dialog, menuElement);
            }
        }
    }
 

private static void installAcceleratorPreview(JMenuItem item) {
    if(item instanceof JMenu) return;
    //detect accelerator key
    boolean already_has_accel = false;
    if(item.getAccelerator() != null) already_has_accel = true;
    if(item.getAction() != null && item.getAction().getValue(Action.ACCELERATOR_KEY) != null) already_has_accel = true;

    
    
    boolean already_has_accel_border = false;
    if(item.getBorder() == accel_border) {
        already_has_accel_border = true;
        //uninstall if needed
        if(already_has_accel) {
            item.setBorder(null);
            return;
        }
    }
    
    if(item.getBorder() instanceof CompoundBorder) {
        CompoundBorder comp = (CompoundBorder)item.getBorder();
        if(comp.getInsideBorder() == accel_border) {
            already_has_accel_border = true;
            //uninstall if needed
            if(already_has_accel) {
                item.setBorder(comp.getOutsideBorder());
                return;
            }
        }
    }
    
    if(already_has_accel_border) return;
    if(already_has_accel) return;
    
    
    if(item.getBorder() == null) {
        item.setBorder(accel_border);
        return;
    }
    
    item.setBorder(BorderFactory.createCompoundBorder(
                item.getBorder(),accel_border));
}