Java JComponent.getComponents方法代码示例

import javax.swing.JComponent; //导入方法依赖的package包/类
void started() {
    started = true;
    
    ((CardLayout) progress.getLayout()).show(progress, "progress");
    progress.invalidate();

    //disable all elements in the dialog:
    List<JComponent> todo = new LinkedList<JComponent>();

    todo.add(this);

    while (!todo.isEmpty()) {
        JComponent c = todo.remove(0);

        if (c == progress) continue;

        c.setEnabled(false);

        for (Component child : c.getComponents()) {
            if (child instanceof JComponent) todo.add((JComponent) child);
        }
    }
}
 

import javax.swing.JComponent; //导入方法依赖的package包/类
private void addBorderSetter(final JComponent s) {
        if (s instanceof JTextField || s instanceof JSlider || s instanceof JComboBox || s instanceof AbstractButton) {
            s.setFocusable(true);// sliders and combo boxes not normally focusable
            s.addFocusListener(this);
//            log.info("added border setter for "+s.getClass().getSimpleName());
        } else if (s instanceof Container) {
            Component[] components = s.getComponents();
            for (Component c : components) {
//                log.info("possibly adding border setter for "+c.getClass().getSimpleName());
                if (c instanceof JComponent) {
                    addBorderSetter((JComponent) c);
                }
            }
        }
    }
 

import javax.swing.JComponent; //导入方法依赖的package包/类
/**
     * 
     * @param component
     * @return all menu items in the menu component
     */
    public static ArrayList<NbMenuItem> getMenuItemsList(JComponent component) {
        Component items[] = component.getComponents();
        
        ArrayList<NbMenuItem> list = new ArrayList<NbMenuItem>();
        
        for (Component menuItem : items) {
            if (menuItem instanceof JSeparator) {
//                System.out.println("adding separator");//DEBUG
                NbMenuItem separator = new NbMenuItem();
                separator.setSeparator(true);
                list.add(separator);
            } else {
                if (menuItem instanceof JMenu) {
                    NbMenuItem mitem = new NbMenuItem((JMenuItem) menuItem);
                    mitem.setName(mitem.getName());
                    mitem.setSubmenu (getMenuItemsList((JComponent)menuItem));
                    list.add(mitem);
                } else if (menuItem instanceof JMenuItem) {//if()                
                    NbMenuItem item = new NbMenuItem((JMenuItem) menuItem);
                    item.setName(item.getName());
                    list.add(item);
                } else {
                    System.out.println("getMenuItemsList unknown:" + menuItem.toString());
                }
            }
        }
        return list;
    }
 

import javax.swing.JComponent; //导入方法依赖的package包/类
private void setMenuBarEnabled(JComponent menu, boolean enabled, String... items) {
	java.awt.Component[] menubar_components = menu instanceof JMenu?((JMenu)menu).getMenuComponents():menu.getComponents();
	List<String> list = null;
	if(items!=null&&items.length>0)
		list = Arrays.asList(items);
	for(java.awt.Component menu_component:menubar_components)
		if(menu_component instanceof JMenuItem) {
			if(list==null||list.contains(((JMenuItem) menu_component).getActionCommand()))
				menu_component.setEnabled(enabled);
			else if(menu_component instanceof JMenu)
				setMenuBarEnabled((JMenu)menu_component, enabled, items);
		}
}
 

import javax.swing.JComponent; //导入方法依赖的package包/类
private JMenuItem getMenuBarItem(JComponent menu, String item) {
	java.awt.Component[] menubar_components = menu instanceof JMenu?((JMenu)menu).getMenuComponents():menu.getComponents();
	for(java.awt.Component menu_component:menubar_components)
		if(menu_component instanceof JMenuItem) {
			JMenuItem menuItem = (JMenuItem) menu_component;
			if(menuItem.getActionCommand().equals(item))
				return menuItem;
			else if(menu_component instanceof JMenu) {
				JMenuItem subMenuItem = getMenuBarItem((JMenu)menu_component, item);
				if(subMenuItem!=null)
					return subMenuItem;
			}
		}
	return null;
}
 

import javax.swing.JComponent; //导入方法依赖的package包/类
private static void iterateOverOpaqueLayersComponents(JComponent j){   
    if (j instanceof JPanel || j instanceof JOptionPane) {            
       Component[] componentes = j.getComponents();            
       for (Component componente : componentes) {
           setOpaqueLayerRecursive(componente);
       }
    }    
}
 

import javax.swing.JComponent; //导入方法依赖的package包/类
/**
 * Allows to show context popup for all components recursively.
 *
 * @param component  the root component of the tree
 * @param value      whether or not the popup menu is inherited
 */
private static void setInheritsPopupMenu(JComponent component, boolean value) {
    component.setInheritsPopupMenu(value);
    for (Object object : component.getComponents()) {
        if (object instanceof JComponent) {
            setInheritsPopupMenu((JComponent) object, value);
        }
    }
}
 

import javax.swing.JComponent; //导入方法依赖的package包/类
/**
 * Enable or disable the childs of the given component
 *
 * @param enable true or false !
 * @param comp the component
 */
public static void recursiveSetEnable(final boolean enable, final JComponent comp) {
	for (final Component c : comp.getComponents()) {
		c.setEnabled(enable);
		if (c instanceof JComponent) {
			recursiveSetEnable(enable, (JComponent) c);
		}
	}
}
 

import javax.swing.JComponent; //导入方法依赖的package包/类
public void installUI(JComponent c) {
    super.installUI(c);

    //Fetch the "no properties" string - it's not going to change
    //for the life of the session
    //        noPropsString = NbBundle.getMessage(MarginViewportUI.class,
    //            "CTL_NoProperties"); //NOI18N
    //Set an appropriate font and color.  Only really relevant on OS-X to
    //keep the font consistent with other NB fonts
    Color fg = UIManager.getColor("controlShadow"); //NOI18N

    if (fg == null) {
        fg = Color.LIGHT_GRAY;
    }

    c.setForeground(fg);

    Color bg = UIManager.getColor("Tree.background"); //NOI18N

    if (bg == null) {
        bg = Color.WHITE;
    }

    c.setBackground(bg);

    Font f = UIManager.getFont("Tree.font"); //NOI18N

    if (f == null) {
        f = UIManager.getFont("controlFont"); //NOI18N
    }

    if (f != null) {
        c.setFont(f);
    }

    c.addContainerListener(this);

    Component[] kids = c.getComponents();

    for (int i = 0; i < kids.length; i++) {
        //Should almost always be empty anyway, if not only one component,
        //but for completeness...
        kids[i].addComponentListener(this);
    }
}