API java : BasicMenuItemUI


javax.swing.plaf.basic
Class BasicMenuItemUI

java.lang.Object
  extended by javax.swing.plaf.ComponentUI
      extended by javax.swing.plaf.ButtonUI
          extended by javax.swing.plaf.MenuItemUI
              extended by javax.swing.plaf.basic.BasicMenuItemUI
Direct Known Subclasses:
BasicCheckBoxMenuItemUI, BasicMenuUI, BasicRadioButtonMenuItemUI

public class BasicMenuItemUI
extends MenuItemUI

BasicMenuItem implementation


Nested Class Summary
protected  class BasicMenuItemUI.MouseInputHandler
           
 
Field Summary
protected  Font acceleratorFont
           
protected  Color acceleratorForeground
           
protected  Color acceleratorSelectionForeground
           
protected  Icon arrowIcon
           
protected  Icon checkIcon
           
protected  int defaultTextIconGap
           
protected  Color disabledForeground
           
protected  MenuDragMouseListener menuDragMouseListener
           
protected  JMenuItem menuItem
           
protected  MenuKeyListener menuKeyListener
           
protected  MouseInputListener mouseInputListener
           
protected  boolean oldBorderPainted
           
protected  Color selectionBackground
           
protected  Color selectionForeground
           
 
Constructor Summary
BasicMenuItemUI()
           
 
Method Summary
protected  MenuDragMouseListener createMenuDragMouseListener(JComponent c)
           
protected  MenuKeyListener createMenuKeyListener(JComponent c)
           
protected  MouseInputListener createMouseInputListener(JComponent c)
           
static ComponentUI createUI(JComponent c)
           
protected  void doClick(MenuSelectionManager msm)
          Call this method when a menu item is to be activated.
 Dimension getMaximumSize(JComponent c)
          Returns the specified component's maximum size appropriate for the look and feel.
 Dimension getMinimumSize(JComponent c)
          Returns the specified component's minimum size appropriate for the look and feel.
 MenuElement[] getPath()
           
protected  Dimension getPreferredMenuItemSize(JComponent c, Icon checkIcon, Icon arrowIcon, int defaultTextIconGap)
           
 Dimension getPreferredSize(JComponent c)
          Returns the specified component's preferred size appropriate for the look and feel.
protected  String getPropertyPrefix()
           
protected  void installComponents(JMenuItem menuItem)
           
protected  void installDefaults()
           
protected  void installKeyboardActions()
           
protected  void installListeners()
           
 void installUI(JComponent c)
          Configures the specified component appropriate for the look and feel.
 void paint(Graphics g, JComponent c)
          Paints the specified component appropriate for the look and feel.
protected  void paintBackground(Graphics g, JMenuItem menuItem, Color bgColor)
          Draws the background of the menu item.
protected  void paintMenuItem(Graphics g, JComponent c, Icon checkIcon, Icon arrowIcon, Color background, Color foreground, int defaultTextIconGap)
           
protected  void paintText(Graphics g, JMenuItem menuItem, Rectangle textRect, String text)
          Renders the text of the current menu item.
protected  void uninstallComponents(JMenuItem menuItem)
           
protected  void uninstallDefaults()
           
protected  void uninstallKeyboardActions()
           
protected  void uninstallListeners()
           
 void uninstallUI(JComponent c)
          Reverses configuration which was done on the specified component during installUI.
 void update(Graphics g, JComponent c)
          We draw the background in paintMenuItem() so override update (which fills the background of opaque components by default) to just call paint().
 
Methods inherited from class javax.swing.plaf.ComponentUI
contains, getAccessibleChild, getAccessibleChildrenCount
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

menuItem

protected JMenuItem menuItem

selectionBackground

protected Color selectionBackground

selectionForeground

protected Color selectionForeground

disabledForeground

protected Color disabledForeground

acceleratorForeground

protected Color acceleratorForeground

acceleratorSelectionForeground

protected Color acceleratorSelectionForeground

defaultTextIconGap

protected int defaultTextIconGap

acceleratorFont

protected Font acceleratorFont

mouseInputListener

protected MouseInputListener mouseInputListener

menuDragMouseListener

protected MenuDragMouseListener menuDragMouseListener

menuKeyListener

protected MenuKeyListener menuKeyListener

arrowIcon

protected Icon arrowIcon

checkIcon

protected Icon checkIcon

oldBorderPainted

protected boolean oldBorderPainted
Constructor Detail

BasicMenuItemUI

public BasicMenuItemUI()
Method Detail

createUI

public static ComponentUI createUI(JComponent c)

installUI

public void installUI(JComponent c)
Description copied from class: ComponentUI
Configures the specified component appropriate for the look and feel. This method is invoked when the ComponentUI instance is being installed as the UI delegate on the specified component. This method should completely configure the component for the look and feel, including the following:
  1. Install any default property values for color, fonts, borders, icons, opacity, etc. on the component. Whenever possible, property values initialized by the client program should not be overridden.
  2. Install a LayoutManager on the component if necessary.
  3. Create/add any required sub-components to the component.
  4. Create/install event listeners on the component.
  5. Create/install a PropertyChangeListener on the component in order to detect and respond to component property changes appropriately.
  6. Install keyboard UI (mnemonics, traversal, etc.) on the component.
  7. Initialize any appropriate instance data.

Overrides:
installUI in class ComponentUI
Parameters:
c - the component where this UI delegate is being installed
See Also:
ComponentUI.uninstallUI(javax.swing.JComponent), JComponent.setUI(javax.swing.plaf.ComponentUI), JComponent.updateUI()

installDefaults

protected void installDefaults()

installComponents

protected void installComponents(JMenuItem menuItem)
Since:
1.3

getPropertyPrefix

protected String getPropertyPrefix()

installListeners

protected void installListeners()

installKeyboardActions

protected void installKeyboardActions()

uninstallUI

public void uninstallUI(JComponent c)
Description copied from class: ComponentUI
Reverses configuration which was done on the specified component during installUI. This method is invoked when this UIComponent instance is being removed as the UI delegate for the specified component. This method should undo the configuration performed in installUI, being careful to leave the JComponent instance in a clean state (no extraneous listeners, look-and-feel-specific property objects, etc.). This should include the following:
  1. Remove any UI-set borders from the component.
  2. Remove any UI-set layout managers on the component.
  3. Remove any UI-added sub-components from the component.
  4. Remove any UI-added event/property listeners from the component.
  5. Remove any UI-installed keyboard UI from the component.
  6. Nullify any allocated instance data objects to allow for GC.

Overrides:
uninstallUI in class ComponentUI
Parameters:
c - the component from which this UI delegate is being removed; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components
See Also:
ComponentUI.installUI(javax.swing.JComponent), JComponent.updateUI()

uninstallDefaults

protected void uninstallDefaults()

uninstallComponents

protected void uninstallComponents(JMenuItem menuItem)
Since:
1.3

uninstallListeners

protected void uninstallListeners()

uninstallKeyboardActions

protected void uninstallKeyboardActions()

createMouseInputListener

protected MouseInputListener createMouseInputListener(JComponent c)

createMenuDragMouseListener

protected MenuDragMouseListener createMenuDragMouseListener(JComponent c)

createMenuKeyListener

protected MenuKeyListener createMenuKeyListener(JComponent c)

getMinimumSize

public Dimension getMinimumSize(JComponent c)
Description copied from class: ComponentUI
Returns the specified component's minimum size appropriate for the look and feel. If null is returned, the minimum size will be calculated by the component's layout manager instead (this is the preferred approach for any component with a specific layout manager installed). The default implementation of this method invokes getPreferredSize and returns that value.

Overrides:
getMinimumSize in class ComponentUI
Parameters:
c - the component whose minimum size is being queried; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components
Returns:
a Dimension object or null
See Also:
JComponent.getMinimumSize(), LayoutManager.minimumLayoutSize(java.awt.Container), ComponentUI.getPreferredSize(javax.swing.JComponent)

getPreferredSize

public Dimension getPreferredSize(JComponent c)
Description copied from class: ComponentUI
Returns the specified component's preferred size appropriate for the look and feel. If null is returned, the preferred size will be calculated by the component's layout manager instead (this is the preferred approach for any component with a specific layout manager installed). The default implementation of this method returns null.

Overrides:
getPreferredSize in class ComponentUI
Parameters:
c - the component whose preferred size is being queried; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components
See Also:
JComponent.getPreferredSize(), LayoutManager.preferredLayoutSize(java.awt.Container)

getMaximumSize

public Dimension getMaximumSize(JComponent c)
Description copied from class: ComponentUI
Returns the specified component's maximum size appropriate for the look and feel. If null is returned, the maximum size will be calculated by the component's layout manager instead (this is the preferred approach for any component with a specific layout manager installed). The default implementation of this method invokes getPreferredSize and returns that value.

Overrides:
getMaximumSize in class ComponentUI
Parameters:
c - the component whose maximum size is being queried; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components
Returns:
a Dimension object or null
See Also:
JComponent.getMaximumSize(), LayoutManager2.maximumLayoutSize(java.awt.Container)

getPreferredMenuItemSize

protected Dimension getPreferredMenuItemSize(JComponent c,
                                             Icon checkIcon,
                                             Icon arrowIcon,
                                             int defaultTextIconGap)

update

public void update(Graphics g,
                   JComponent c)
We draw the background in paintMenuItem() so override update (which fills the background of opaque components by default) to just call paint().

Overrides:
update in class ComponentUI
Parameters:
g - the Graphics context in which to paint
c - the component being painted; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components
See Also:
ComponentUI.paint(java.awt.Graphics, javax.swing.JComponent), JComponent.paintComponent(java.awt.Graphics)

paint

public void paint(Graphics g,
                  JComponent c)
Description copied from class: ComponentUI
Paints the specified component appropriate for the look and feel. This method is invoked from the ComponentUI.update method when the specified component is being painted. Subclasses should override this method and use the specified Graphics object to render the content of the component.

Overrides:
paint in class ComponentUI
Parameters:
g - the Graphics context in which to paint
c - the component being painted; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components
See Also:
ComponentUI.update(java.awt.Graphics, javax.swing.JComponent)

paintMenuItem

protected void paintMenuItem(Graphics g,
                             JComponent c,
                             Icon checkIcon,
                             Icon arrowIcon,
                             Color background,
                             Color foreground,
                             int defaultTextIconGap)

paintBackground

protected void paintBackground(Graphics g,
                               JMenuItem menuItem,
                               Color bgColor)
Draws the background of the menu item.

Parameters:
g - the paint graphics
menuItem - menu item to be painted
bgColor - selection background color
Since:
1.4

paintText

protected void paintText(Graphics g,
                         JMenuItem menuItem,
                         Rectangle textRect,
                         String text)
Renders the text of the current menu item.

Parameters:
g - graphics context
menuItem - menu item to render
textRect - bounding rectangle for rendering the text
text - string to render
Since:
1.4

getPath

public MenuElement[] getPath()

doClick

protected void doClick(MenuSelectionManager msm)
Call this method when a menu item is to be activated. This method handles some of the details of menu item activation such as clearing the selected path and messaging the JMenuItem's doClick() method.

Parameters:
msm - A MenuSelectionManager. The visual feedback and internal bookkeeping tasks are delegated to this MenuSelectionManager. If null is passed as this argument, the MenuSelectionManager.defaultManager is used.
Since:
1.4
See Also:
MenuSelectionManager, AbstractButton.doClick(int)

Ces informations proviennent du site de http://java.sun.com

Remarques

Contenu

Le contenu de cette page provient du site de Sun, et est généré depuis un cache sur l'infobrol après certains traitements automatisés. La présentation peut donc différer du document original, mais le contenu aussi. Vous pouvez utiliser ce bouton pour afficher la page originale du site de Sun :

Quels sont les motivations de cette démarche?

Maintenir les pages en cache sur différents sites peut offrir plus de disponibilité.

Chaque page est indexée dans la base de donnée, ce qui permet de retrouver facilement les informations, au moyen des sommaires, du moteur de recherche interne, etc.

Des facilités sont mises en place pour que les membres de l'infobrol puissent effectuer des traductions en français des différents documents. Ceci devrait permettre aux débutants en programmation Java de consulter les API en français s'ils maîtrisent moins bien la langue de Shakespeare. Dans le cas où une traduction a été soumise, elle est disponible au moyen d'un lien en bas de page. Si la traduction a été validée, la page s'affiche par défaut en français, et un lien en bas de page permet d'atteindre la version en anglais.

Le code sur l'infobrol est automatiquement coloré selon la syntaxe, et les différents mots clés sont transformés en liens pour accéder rapidement aux informations.

Vous avez la possibilité de partager vos expériences en proposant vos propres extraits de code en utilisant le bouton "ajouter un commentaire" en bas de page. Si vous visitez simplement l'infobrol, vous avez déjà accès à cette fonction, mais si vous étes membre du brol, vous pouvez en plus utiliser des boutons supplémentaires de mise en forme, dont la coloration automatique de vos extraits de codes.

Réseaux sociaux

Vous pouvez modifier vos préférences dans votre profil pour ne plus afficher les interactions avec les réseaux sociaux sur ces pages.

 

Nuage de mots clés

8 mots clés dont 0 définis manuellement (plus d'information...).

Avertissement

Cette page ne possède pas encore de mots clés manuels, ceci est donc un exemple automatique (les niveaux de pertinence sont fictifs, mais les liens sont valables). Pour tester le nuage avec une page qui contient des mots définis manuellement, vous pouvez cliquer ici.

Vous pouvez modifier vos préférences dans votre profil pour ne plus afficher le nuage de mots clés.

 

Astuce pour imprimer les couleurs des cellules de tableaux : http://www.gaudry.be/ast-rf-450.html
Aucun commentaire pour cette page

© Ce document issu de l′infobrol est enregistré sous le certificat Cyber PrInterDeposit Digital Numbertection. Enregistrement IDDN n° 5329-3103
Document créé le 31/08/06 23:55, dernière modification le Vendredi 17 Juin 2011, 10:12
Source du document imprimé : http:///www.gaudry.be/java-api-rf-javax/swing/plaf/basic/BasicMenuItemUI.html
St.Gaudry©07.01.02
Outils (masquer)
||
Recherche (afficher)
Recherche :

Navigation (masquer)
Apparence (afficher)
Stats (afficher)
15838 documents
455 astuces.
550 niouzes.
3107 definitions.
447 membres.
8121 messages.

Document genere en :
0,10 seconde

Mises à jour :
Mises à jour du site
Citation (masquer)
Quand on n'a pas de mémoire, on se répète : quand on en a, on répète les autres.

Albert Brie
 
l'infobrol
Nous sommes le Samedi 26 Mai 2018, 09:03, toutes les heures sont au format GMTs