Class MenuItemImpl

java.lang.Object
icyllis.modernui.view.menu.MenuItemImpl
All Implemented Interfaces:
MenuItem

public final class MenuItemImpl extends Object implements MenuItem
  • Method Details

    • invoke

      public boolean invoke()
      Invokes the item by calling various listeners or callbacks.
      Returns:
      true if the invocation was handled, false otherwise
    • isEnabled

      public boolean isEnabled()
      Description copied from interface: MenuItem
      Return the enabled state of the menu item.
      Specified by:
      isEnabled in interface MenuItem
      Returns:
      If true the item is enabled and hence invokable; else it is not.
    • setEnabled

      public MenuItem setEnabled(boolean enabled)
      Description copied from interface: MenuItem
      Sets whether the menu item is enabled. Disabling a menu item will not allow it to be invoked via its shortcut. The menu item will still be visible.
      Specified by:
      setEnabled in interface MenuItem
      Parameters:
      enabled - If true then the item will be invokable; if false it is won't be invokable.
      Returns:
      This Item so additional setters can be called.
    • getGroupId

      public int getGroupId()
      Description copied from interface: MenuItem
      Return the group identifier that this menu item is part of. The group identifier can not be changed after the menu is created.
      Specified by:
      getGroupId in interface MenuItem
      Returns:
      The menu item's group identifier.
    • getItemId

      public int getItemId()
      Description copied from interface: MenuItem
      Return the identifier for this menu item. The identifier can not be changed after the menu is created.
      Specified by:
      getItemId in interface MenuItem
      Returns:
      The menu item's identifier.
    • getOrder

      public int getOrder()
      Description copied from interface: MenuItem
      Return the category and order within the category of this item. This item will be shown before all items (within its category) that have order greater than this value.

      An order integer contains the item's category (the upper bits of the integer; set by or/add the category with the order within the category) and the ordering of the item within that category (the lower bits). Example categories are Menu.CATEGORY_SYSTEM, Menu.CATEGORY_SECONDARY, Menu.CATEGORY_ALTERNATIVE, Menu.CATEGORY_CONTAINER. See Menu for a full list.

      Specified by:
      getOrder in interface MenuItem
      Returns:
      The order of this item.
    • getOrdering

      public int getOrdering()
    • setCallback

      public MenuItem setCallback(Runnable callback)
    • getAlphabeticShortcut

      public char getAlphabeticShortcut()
      Description copied from interface: MenuItem
      Return the char for this menu item's alphabetic shortcut.
      Specified by:
      getAlphabeticShortcut in interface MenuItem
      Returns:
      Alphabetic character to use as a shortcut.
    • getAlphabeticModifiers

      public int getAlphabeticModifiers()
      Description copied from interface: MenuItem
      Return the modifier for this menu item's alphabetic shortcut. The modifier is a combination of KeyEvent.META_CTRL_ON, KeyEvent.META_ALT_ON, KeyEvent.META_SHIFT_ON.
      Specified by:
      getAlphabeticModifiers in interface MenuItem
      Returns:
      Modifier associated with the keyboard shortcut.
    • setAlphabeticShortcut

      public MenuItem setAlphabeticShortcut(char alphaChar)
      Description copied from interface: MenuItem
      Change the alphabetic shortcut associated with this item. The shortcut will be triggered when the key that generates the given character is pressed along with the corresponding modifier key. The default modifier is KeyEvent.META_CTRL_ON in case nothing is specified. Case is not significant and shortcut characters will be displayed in lower case. Note that menu items with the characters '\b' or '\n' as shortcuts will get triggered by the Delete key or Carriage Return key, respectively.

      See Menu for the menu types that support shortcuts.

      Specified by:
      setAlphabeticShortcut in interface MenuItem
      Parameters:
      alphaChar - The alphabetic shortcut key. This is the shortcut when using a keyboard with alphabetic keys.
      Returns:
      This Item so additional setters can be called.
    • setAlphabeticShortcut

      public MenuItem setAlphabeticShortcut(char alphaChar, int alphaModifiers)
      Description copied from interface: MenuItem
      Change the alphabetic shortcut associated with this item. The shortcut will be triggered when the key that generates the given character is pressed along with the modifier keys. Case is not significant and shortcut characters will be displayed in lower case. Note that menu items with the characters '\b' or '\n' as shortcuts will get triggered by the Delete key or Carriage Return key, respectively.

      See Menu for the menu types that support shortcuts.

      Specified by:
      setAlphabeticShortcut in interface MenuItem
      Parameters:
      alphaChar - The alphabetic shortcut key. This is the shortcut when using a keyboard with alphabetic keys.
      alphaModifiers - The modifier associated with the shortcut. It should be a combination of KeyEvent.META_CTRL_ON, KeyEvent.META_ALT_ON, KeyEvent.META_SHIFT_ON.
      Returns:
      This Item so additional setters can be called.
    • getNumericShortcut

      public char getNumericShortcut()
      Description copied from interface: MenuItem
      Return the char for this menu item's numeric (12-key) shortcut.
      Specified by:
      getNumericShortcut in interface MenuItem
      Returns:
      Numeric character to use as a shortcut.
    • getNumericModifiers

      public int getNumericModifiers()
      Description copied from interface: MenuItem
      Return the modifiers for this menu item's numeric (12-key) shortcut. The modifier is a combination of KeyEvent.META_CTRL_ON, KeyEvent.META_ALT_ON, KeyEvent.META_SHIFT_ON.
      Specified by:
      getNumericModifiers in interface MenuItem
      Returns:
      Modifier associated with the numeric shortcut.
    • setNumericShortcut

      public MenuItem setNumericShortcut(char numericChar)
      Description copied from interface: MenuItem
      Change the numeric shortcut associated with this item.

      See Menu for the menu types that support shortcuts.

      Specified by:
      setNumericShortcut in interface MenuItem
      Parameters:
      numericChar - The numeric shortcut key. This is the shortcut when using a 12-key (numeric) keyboard.
      Returns:
      This Item so additional setters can be called.
    • setNumericShortcut

      public MenuItem setNumericShortcut(char numericChar, int numericModifiers)
      Description copied from interface: MenuItem
      Change the numeric shortcut and modifiers associated with this item.

      See Menu for the menu types that support shortcuts.

      Specified by:
      setNumericShortcut in interface MenuItem
      Parameters:
      numericChar - The numeric shortcut key. This is the shortcut when using a 12-key (numeric) keyboard.
      numericModifiers - The modifier associated with the shortcut. It should be a combination of KeyEvent.META_CTRL_ON, KeyEvent.META_ALT_ON, KeyEvent.META_SHIFT_ON.
      Returns:
      This Item so additional setters can be called.
    • setShortcut

      public MenuItem setShortcut(char numericChar, char alphaChar)
      Description copied from interface: MenuItem
      Change both the numeric and alphabetic shortcut associated with this item. Note that the shortcut will be triggered when the key that generates the given character is pressed along with the corresponding modifier key. The default modifier is KeyEvent.META_CTRL_ON in case nothing is specified. Also note that case is not significant and that alphabetic shortcut characters will be handled in lower case.

      See Menu for the menu types that support shortcuts.

      Specified by:
      setShortcut in interface MenuItem
      Parameters:
      numericChar - The numeric shortcut key. This is the shortcut when using a numeric (e.g., 12-key) keyboard.
      alphaChar - The alphabetic shortcut key. This is the shortcut when using a keyboard with alphabetic keys.
      Returns:
      This Item so additional setters can be called.
    • setShortcut

      public MenuItem setShortcut(char numericChar, char alphaChar, int numericModifiers, int alphaModifiers)
      Description copied from interface: MenuItem
      Change both the numeric and alphabetic shortcut associated with this item. Note that the shortcut will be triggered when the key that generates the given character is pressed along with the corresponding modifier key. Also note that case is not significant and that alphabetic shortcut characters will be handled in lower case.

      See Menu for the menu types that support shortcuts.

      Specified by:
      setShortcut in interface MenuItem
      Parameters:
      numericChar - The numeric shortcut key. This is the shortcut when using a numeric (e.g., 12-key) keyboard.
      alphaChar - The alphabetic shortcut key. This is the shortcut when using a keyboard with alphabetic keys.
      numericModifiers - The numeric modifier associated with the shortcut. It should be a combination of KeyEvent.META_CTRL_ON, KeyEvent.META_ALT_ON, KeyEvent.META_SHIFT_ON.
      alphaModifiers - The alphabetic modifier associated with the shortcut. It should be a combination of KeyEvent.META_CTRL_ON, KeyEvent.META_ALT_ON, KeyEvent.META_SHIFT_ON.
      Returns:
      This Item so additional setters can be called.
    • getSubMenu

      public SubMenu getSubMenu()
      Description copied from interface: MenuItem
      Get the sub-menu to be invoked when this item is selected, if it has one. See MenuItem.hasSubMenu().
      Specified by:
      getSubMenu in interface MenuItem
      Returns:
      The associated menu if there is one, else null
    • hasSubMenu

      public boolean hasSubMenu()
      Description copied from interface: MenuItem
      Check whether this item has an associated sub-menu. I.e. it is a sub-menu of another menu.
      Specified by:
      hasSubMenu in interface MenuItem
      Returns:
      If true this item has a menu; else it is a normal item.
    • getTitle

      public CharSequence getTitle()
      Description copied from interface: MenuItem
      Retrieve the current title of the item.
      Specified by:
      getTitle in interface MenuItem
      Returns:
      The title.
    • setTitle

      public MenuItem setTitle(CharSequence title)
      Description copied from interface: MenuItem
      Change the title associated with this item.
      Specified by:
      setTitle in interface MenuItem
      Parameters:
      title - The new text to be displayed.
      Returns:
      This Item so additional setters can be called.
    • getTitleCondensed

      public CharSequence getTitleCondensed()
      Description copied from interface: MenuItem
      Retrieve the current condensed title of the item. If a condensed title was never set, it will return the normal title.
      Specified by:
      getTitleCondensed in interface MenuItem
      Returns:
      The condensed title, if it exists. The normal title otherwise.
    • setTitleCondensed

      public MenuItem setTitleCondensed(CharSequence title)
      Description copied from interface: MenuItem
      Change the condensed title associated with this item. The condensed title is used in situations where the normal title may be too long to be displayed.
      Specified by:
      setTitleCondensed in interface MenuItem
      Parameters:
      title - The new text to be displayed as the condensed title.
      Returns:
      This Item so additional setters can be called.
    • getIcon

      @Nullable public Drawable getIcon()
      Description copied from interface: MenuItem
      Returns the icon for this item as a Drawable (getting it from resources if it hasn't been loaded before). Note that if you call MenuItem.setIconTintList(ColorStateList) on this item, and you use a custom menu presenter in your application, you have to apply the tinting explicitly on the Drawable returned by this method.
      Specified by:
      getIcon in interface MenuItem
      Returns:
      The icon as a Drawable.
    • setIcon

      public MenuItem setIcon(Drawable icon)
      Description copied from interface: MenuItem
      Change the icon associated with this item. This icon will not always be shown, so the title should be sufficient in describing this item. See Menu for the menu types that support icons.
      Specified by:
      setIcon in interface MenuItem
      Parameters:
      icon - The new icon (as a Drawable) to be displayed.
      Returns:
      This Item so additional setters can be called.
    • setIconTintList

      public MenuItem setIconTintList(@Nullable ColorStateList iconTintList)
      Description copied from interface: MenuItem
      Applies a tint to this item's icon.

      Subsequent calls to MenuItem.setIcon(Drawable) will automatically mutate the icon and apply the specified tint and tint mode using Drawable.setTintList(ColorStateList).

      Specified by:
      setIconTintList in interface MenuItem
      Parameters:
      iconTintList - the tint to apply, may be null to clear tint
      See Also:
    • getIconTintList

      @Nullable public ColorStateList getIconTintList()
      Specified by:
      getIconTintList in interface MenuItem
      Returns:
      the tint applied to this item's icon
      See Also:
    • isCheckable

      public boolean isCheckable()
      Description copied from interface: MenuItem
      Return whether the item can currently display a check mark.
      Specified by:
      isCheckable in interface MenuItem
      Returns:
      If a check mark can be displayed, returns true.
      See Also:
    • setCheckable

      public MenuItem setCheckable(boolean checkable)
      Description copied from interface: MenuItem
      Control whether this item can display a check mark. Setting this does not actually display a check mark (see MenuItem.setChecked(boolean) for that); rather, it ensures there is room in the item in which to display a check mark.

      See Menu for the menu types that support check marks.

      Specified by:
      setCheckable in interface MenuItem
      Parameters:
      checkable - Set to true to allow a check mark, false to disallow. The default is false.
      Returns:
      This Item so additional setters can be called.
      See Also:
    • setExclusiveCheckable

      public void setExclusiveCheckable(boolean exclusive)
    • isExclusiveCheckable

      public boolean isExclusiveCheckable()
    • isChecked

      public boolean isChecked()
      Description copied from interface: MenuItem
      Return whether the item is currently displaying a check mark.
      Specified by:
      isChecked in interface MenuItem
      Returns:
      If a check mark is displayed, returns true.
      See Also:
    • setChecked

      public MenuItem setChecked(boolean checked)
      Description copied from interface: MenuItem
      Control whether this item is shown with a check mark. Note that you must first have enabled checking with MenuItem.setCheckable(boolean) or else the check mark will not appear. If this item is a member of a group that contains mutually-exclusive items (set via Menu.setGroupCheckable(int, boolean, boolean)), the other items in the group will be unchecked.

      See Menu for the menu types that support check marks.

      Specified by:
      setChecked in interface MenuItem
      Parameters:
      checked - Set to true to display a check mark, false to hide it. The default value is false.
      Returns:
      This Item so additional setters can be called.
      See Also:
    • isVisible

      public boolean isVisible()
      Description copied from interface: MenuItem
      Return the visibility of the menu item.
      Specified by:
      isVisible in interface MenuItem
      Returns:
      If true the item is visible; else it is hidden.
    • setVisible

      public MenuItem setVisible(boolean shown)
      Description copied from interface: MenuItem
      Sets the visibility of the menu item. Even if a menu item is not visible, it may still be invoked via its shortcut (to completely disable an item, set it to invisible and disabled).
      Specified by:
      setVisible in interface MenuItem
      Parameters:
      shown - If true then the item will be visible; if false it is hidden.
      Returns:
      This Item so additional setters can be called.
    • setOnMenuItemClickListener

      public MenuItem setOnMenuItemClickListener(MenuItem.OnMenuItemClickListener clickListener)
      Description copied from interface: MenuItem
      Set a custom listener for invocation of this menu item.
      Specified by:
      setOnMenuItemClickListener in interface MenuItem
      Parameters:
      clickListener - The object to receive invokations.
      Returns:
      This Item so additional setters can be called.
    • toString

      @NonNull public String toString()
      Overrides:
      toString in class Object
    • getMenuInfo

      public ContextMenu.ContextMenuInfo getMenuInfo()
      Description copied from interface: MenuItem
      Gets the extra information linked to this menu item. This extra information is set by the View that added this menu item to the menu.
      Specified by:
      getMenuInfo in interface MenuItem
      Returns:
      The extra information linked to the View that added this menu item to the menu. This can be null.
      See Also:
    • actionFormatChanged

      public void actionFormatChanged()
    • shouldShowIcon

      public boolean shouldShowIcon()
      Returns:
      Whether the menu should show icons for menu items.
    • isActionButton

      public boolean isActionButton()
    • requestsActionButton

      public boolean requestsActionButton()
    • requiresActionButton

      public boolean requiresActionButton()
      Description copied from interface: MenuItem
      Returns true if MenuItem.setShowAsAction(int) was set to MenuItem.SHOW_AS_ACTION_ALWAYS. Default value is false.
      Specified by:
      requiresActionButton in interface MenuItem
    • requiresOverflow

      public boolean requiresOverflow()
      Description copied from interface: MenuItem
      Returns true if MenuItem.setShowAsAction(int) was set to MenuItem.SHOW_AS_ACTION_NEVER. Default value is true.
      Specified by:
      requiresOverflow in interface MenuItem
    • setIsActionButton

      public void setIsActionButton(boolean isActionButton)
    • showsTextAsAction

      public boolean showsTextAsAction()
    • setShowAsAction

      public void setShowAsAction(int actionEnum)
      Description copied from interface: MenuItem
      Sets how this item should display in the presence of an Action Bar. The parameter actionEnum is a flag set. One of MenuItem.SHOW_AS_ACTION_ALWAYS, MenuItem.SHOW_AS_ACTION_IF_ROOM, or MenuItem.SHOW_AS_ACTION_NEVER should be used, and you may optionally OR the value with MenuItem.SHOW_AS_ACTION_WITH_TEXT. SHOW_AS_ACTION_WITH_TEXT requests that when the item is shown as an action, it should be shown with a text label.
      Specified by:
      setShowAsAction in interface MenuItem
      Parameters:
      actionEnum - How the item should display. One of MenuItem.SHOW_AS_ACTION_ALWAYS, MenuItem.SHOW_AS_ACTION_IF_ROOM, or MenuItem.SHOW_AS_ACTION_NEVER. SHOW_AS_ACTION_NEVER is the default.
      See Also:
    • setActionView

      public MenuItem setActionView(View view)
      Description copied from interface: MenuItem
      Set an action view for this menu item. An action view will be displayed in place of an automatically generated menu item element in the UI when this item is shown as an action within a parent.

      Note: Setting an action view overrides the action provider set via MenuItem.setActionProvider(ActionProvider).

      Specified by:
      setActionView in interface MenuItem
      Parameters:
      view - View to use for presenting this item to the user.
      Returns:
      This Item so additional setters can be called.
      See Also:
    • getActionView

      @Nullable public View getActionView()
      Description copied from interface: MenuItem
      Returns the currently set action view for this menu item.
      Specified by:
      getActionView in interface MenuItem
      Returns:
      This item's action view
      See Also:
    • getActionProvider

      public ActionProvider getActionProvider()
      Description copied from interface: MenuItem
      Gets the ActionProvider.
      Specified by:
      getActionProvider in interface MenuItem
      Returns:
      The action provider.
      See Also:
    • setActionProvider

      public MenuItem setActionProvider(ActionProvider actionProvider)
      Description copied from interface: MenuItem
      Sets the ActionProvider responsible for creating an action view if the item is placed on the action bar. The provider also provides a default action invoked if the item is placed in the overflow menu.

      Note: Setting an action provider overrides the action view set via MenuItem.setActionView(View).

      Specified by:
      setActionProvider in interface MenuItem
      Parameters:
      actionProvider - The action provider.
      Returns:
      This Item so additional setters can be called.
      See Also:
    • setShowAsActionFlags

      public MenuItem setShowAsActionFlags(int actionEnum)
      Description copied from interface: MenuItem
      Sets how this item should display in the presence of an Action Bar. The parameter actionEnum is a flag set. One of MenuItem.SHOW_AS_ACTION_ALWAYS, MenuItem.SHOW_AS_ACTION_IF_ROOM, or MenuItem.SHOW_AS_ACTION_NEVER should be used, and you may optionally OR the value with MenuItem.SHOW_AS_ACTION_WITH_TEXT. SHOW_AS_ACTION_WITH_TEXT requests that when the item is shown as an action, it should be shown with a text label.

      Note: This method differs from MenuItem.setShowAsAction(int) only in that it returns the current MenuItem instance for call chaining.

      Specified by:
      setShowAsActionFlags in interface MenuItem
      Parameters:
      actionEnum - How the item should display. One of MenuItem.SHOW_AS_ACTION_ALWAYS, MenuItem.SHOW_AS_ACTION_IF_ROOM, or MenuItem.SHOW_AS_ACTION_NEVER. SHOW_AS_ACTION_NEVER is the default.
      Returns:
      This MenuItem instance for call chaining.
      See Also:
    • expandActionView

      public boolean expandActionView()
      Description copied from interface: MenuItem
      Expand the action view associated with this menu item. The menu item must have an action view set, as well as the showAsAction flag MenuItem.SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW. If a listener has been set using MenuItem.setOnActionExpandListener(OnActionExpandListener) it will have its MenuItem.OnActionExpandListener.onMenuItemActionExpand(MenuItem) method invoked. The listener may return false from this method to prevent expanding the action view.
      Specified by:
      expandActionView in interface MenuItem
      Returns:
      true if the action view was expanded, false otherwise.
    • collapseActionView

      public boolean collapseActionView()
      Description copied from interface: MenuItem
      Collapse the action view associated with this menu item. The menu item must have an action view set, as well as the showAsAction flag MenuItem.SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW. If a listener has been set using MenuItem.setOnActionExpandListener(OnActionExpandListener) it will have its MenuItem.OnActionExpandListener.onMenuItemActionCollapse(MenuItem) method invoked. The listener may return false from this method to prevent collapsing the action view.
      Specified by:
      collapseActionView in interface MenuItem
      Returns:
      true if the action view was collapsed, false otherwise.
    • setOnActionExpandListener

      public MenuItem setOnActionExpandListener(MenuItem.OnActionExpandListener listener)
      Description copied from interface: MenuItem
      Set an MenuItem.OnActionExpandListener on this menu item to be notified when the associated action view is expanded or collapsed. The menu item must be configured to expand or collapse its action view using the flag MenuItem.SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW.
      Specified by:
      setOnActionExpandListener in interface MenuItem
      Parameters:
      listener - Listener that will respond to expand/collapse events
      Returns:
      This menu item instance for call chaining
    • hasCollapsibleActionView

      public boolean hasCollapsibleActionView()
    • setActionViewExpanded

      public void setActionViewExpanded(boolean isExpanded)
    • isActionViewExpanded

      public boolean isActionViewExpanded()
      Description copied from interface: MenuItem
      Returns true if this menu item's action view has been expanded.
      Specified by:
      isActionViewExpanded in interface MenuItem
      Returns:
      true if the item's action view is expanded, false otherwise.
      See Also:
    • setContentDescription

      public MenuItem setContentDescription(CharSequence contentDescription)
      Description copied from interface: MenuItem
      Change the content description associated with this menu item.
      Specified by:
      setContentDescription in interface MenuItem
      Parameters:
      contentDescription - The new content description.
    • getContentDescription

      public CharSequence getContentDescription()
      Description copied from interface: MenuItem
      Retrieve the content description associated with this menu item.
      Specified by:
      getContentDescription in interface MenuItem
      Returns:
      The content description.
    • setTooltipText

      public MenuItem setTooltipText(CharSequence tooltipText)
      Description copied from interface: MenuItem
      Change the tooltip text associated with this menu item.
      Specified by:
      setTooltipText in interface MenuItem
      Parameters:
      tooltipText - The new tooltip text.
    • getTooltipText

      public CharSequence getTooltipText()
      Description copied from interface: MenuItem
      Retrieve the tooltip text associated with this menu item.
      Specified by:
      getTooltipText in interface MenuItem
      Returns:
      The tooltip text.