Class MenuManager

    • Field Detail

      • visible

        protected boolean visible
        Indicates this item is visible in its manager; true by default.
        Since:
        3.3
    • Constructor Detail

      • MenuManager

        public MenuManager()
        Creates a menu manager. The text and id are null. Typically used for creating a context menu, where it doesn't need to be referred to by id.
      • MenuManager

        public MenuManager​(String text)
        Creates a menu manager with the given text. The id of the menu is null. Typically used for creating a sub-menu, where it doesn't need to be referred to by id.
        Parameters:
        text - the text for the menu, or null if none
      • MenuManager

        public MenuManager​(String text,
                           String id)
        Creates a menu manager with the given text and id. Typically used for creating a sub-menu, where it needs to be referred to by id.
        Parameters:
        text - the text for the menu, or null if none
        id - the menu id, or null if it is to have no id
      • MenuManager

        public MenuManager​(String text,
                           ImageDescriptor image,
                           String id)
        Creates a menu manager with the given text, image, and id. Typically used for creating a sub-menu, where it needs to be referred to by id.
        Parameters:
        text - the text for the menu, or null if none
        image - the image for the menu, or null if none
        id - the menu id, or null if it is to have no id
        Since:
        3.4
    • Method Detail

      • addMenuListener

        public void addMenuListener​(IMenuListener listener)
        Description copied from interface: IMenuManager
        Adds a menu listener to this menu. Has no effect if an identical listener is already registered.
        Specified by:
        addMenuListener in interface IMenuManager
        Parameters:
        listener - a menu listener
      • createContextMenu

        public Menu createContextMenu​(Control parent)
        Creates and returns an SWT context menu control for this menu, and installs all registered contributions. Does not create a new control if one already exists.

        Note that the menu is not expected to be dynamic.

        Parameters:
        parent - the parent control
        Returns:
        the menu control
      • createMenuBar

        public Menu createMenuBar​(Decorations parent)
        Creates and returns an SWT menu bar control for this menu, for use in the given Decorations, and installs all registered contributions. Does not create a new control if one already exists.
        Parameters:
        parent - the parent decorations
        Returns:
        the menu control
        Since:
        2.1
      • createMenuBar

        @Deprecated
        public Menu createMenuBar​(Shell parent)
        Deprecated.
        use createMenuBar(Decorations) instead.
        Creates and returns an SWT menu bar control for this menu, for use in the given Shell, and installs all registered contributions. Does not create a new control if one already exists. This implementation simply calls the createMenuBar(Decorations) method
        Parameters:
        parent - the parent decorations
        Returns:
        the menu control
      • dispose

        public void dispose()
        Disposes of this menu manager and frees all allocated SWT resources. Notifies all contribution items of the dispose. Note that this method does not clean up references between this menu manager and its associated contribution items. Use ContributionManager.removeAll() for that purpose, but note that will not dispose the items.
        Specified by:
        dispose in interface IContributionItem
      • fill

        public void fill​(Composite parent)
        Description copied from interface: IContributionItem
        Fills the given composite control with controls representing this contribution item. Used by StatusLineManager.
        Specified by:
        fill in interface IContributionItem
        Parameters:
        parent - the parent control
      • fill

        public void fill​(CoolBar parent,
                         int index)
        Description copied from interface: IContributionItem
        Fills the given cool bar with controls representing this contribution item. Used by CoolBarManager.
        Specified by:
        fill in interface IContributionItem
        Parameters:
        parent - the parent cool bar
        index - the index where the controls are inserted, or -1 to insert at the end
      • fill

        public void fill​(Menu parent,
                         int index)
        Description copied from interface: IContributionItem
        Fills the given menu with controls representing this contribution item. Used by MenuManager.
        Specified by:
        fill in interface IContributionItem
        Parameters:
        parent - the parent menu
        index - the index where the controls are inserted, or -1 to insert at the end
      • fill

        public void fill​(ToolBar parent,
                         int index)
        Description copied from interface: IContributionItem
        Fills the given tool bar with controls representing this contribution item. Used by ToolBarManager.
        Specified by:
        fill in interface IContributionItem
        Parameters:
        parent - the parent tool bar
        index - the index where the controls are inserted, or -1 to insert at the end
      • findMenuUsingPath

        public IMenuManager findMenuUsingPath​(String path)
        Description copied from interface: IMenuManager
        Finds the manager for the menu at the given path. A path consists of contribution item ids separated by the separator character. The path separator character is '/'.

        Convenience for findUsingPath(path) which extracts an IMenuManager if possible.

        Specified by:
        findMenuUsingPath in interface IMenuManager
        Parameters:
        path - the path string
        Returns:
        the menu contribution item, or null if there is no such contribution item or if the item does not have an associated menu manager
      • findUsingPath

        public IContributionItem findUsingPath​(String path)
        Description copied from interface: IMenuManager
        Finds the contribution item at the given path. A path consists of contribution item ids separated by the separator character. The path separator character is '/'.
        Specified by:
        findUsingPath in interface IMenuManager
        Parameters:
        path - the path string
        Returns:
        the contribution item, or null if there is no such contribution item
      • getId

        public String getId()
        Returns the menu id. The menu id is used when creating a contribution item for adding this menu as a sub menu of another.
        Specified by:
        getId in interface IContributionItem
        Returns:
        the menu id
      • getMenu

        public Menu getMenu()
        Returns the SWT menu control for this menu manager.
        Returns:
        the menu control
      • getMenuText

        public String getMenuText()
        Returns the text shown in the menu, potentially with a shortcut appended.
        Returns:
        the menu text
      • getImageDescriptor

        public ImageDescriptor getImageDescriptor()
        Returns the image for this menu as an image descriptor.
        Returns:
        the image, or null if this menu has no image
        Since:
        3.4
      • getParent

        public IContributionManager getParent()
        Returns the parent contribution manager of this manger.
        Returns:
        the parent contribution manager
        Since:
        2.0
      • getRemoveAllWhenShown

        public boolean getRemoveAllWhenShown()
        Description copied from interface: IMenuManager
        Returns whether all items should be removed when the menu is about to show, but before notifying menu listeners. The default is false.
        Specified by:
        getRemoveAllWhenShown in interface IMenuManager
        Returns:
        true if all items should be removed when shown, false if not
      • isDynamic

        public boolean isDynamic()
        Description copied from interface: IContributionItem
        Returns whether this contribution item is dynamic. A dynamic contribution item contributes items conditionally, dependent on some internal state.
        Specified by:
        isDynamic in interface IContributionItem
        Returns:
        true if this item is dynamic, and false for normal items
      • isEnabled

        public boolean isEnabled()
        Returns whether this menu should be enabled or not. Used to enable the menu item containing this menu when it is realized as a sub-menu.

        The default implementation of this framework method returns true. Subclasses may reimplement.

        Specified by:
        isEnabled in interface IContributionItem
        Specified by:
        isEnabled in interface IMenuManager
        Returns:
        true if enabled, and false if disabled
      • isSeparator

        public boolean isSeparator()
        Description copied from interface: IContributionItem
        Returns whether this contribution item is a separator. This information is used to enable hiding of unnecessary separators.
        Specified by:
        isSeparator in interface IContributionItem
        Returns:
        true if this item is a separator, and false for normal items
        See Also:
        Separator
      • isSubstituteFor

        @Deprecated
        public boolean isSubstituteFor​(IContributionItem item)
        Deprecated.
        this method is no longer a part of the IContributionItem API.
        Check if the contribution is item is a subsitute for ourselves
        Parameters:
        item - the contribution item
        Returns:
        true if give item is a substitution for ourselves
      • isVisible

        public boolean isVisible()
        Description copied from interface: IContributionItem
        Returns whether this contribution item is visibile within its manager.
        Specified by:
        isVisible in interface IContributionItem
        Returns:
        true if this item is visible, and false otherwise
      • menuExist

        protected boolean menuExist()
        Returns whether the menu control is created and not disposed.
        Returns:
        true if the control is created and not disposed, false otherwise
        Since:
        3.4 protected, was added in 3.1 as private method
      • removeMenuListener

        public void removeMenuListener​(IMenuListener listener)
        Description copied from interface: IMenuManager
        Removes the given menu listener from this menu. Has no effect if an identical listener is not registered.
        Specified by:
        removeMenuListener in interface IMenuManager
        Parameters:
        listener - the menu listener
      • saveWidgetState

        public void saveWidgetState()
        Description copied from interface: IContributionItem
        Saves any state information of the control(s) owned by this contribution item. The contribution manager calls this method before disposing of the controls.
        Specified by:
        saveWidgetState in interface IContributionItem
      • setRemoveAllWhenShown

        public void setRemoveAllWhenShown​(boolean removeAll)
        Description copied from interface: IMenuManager
        Sets whether all items should be removed when the menu is about to show, but before notifying menu listeners.
        Specified by:
        setRemoveAllWhenShown in interface IMenuManager
        Parameters:
        removeAll - true if all items should be removed when shown, false if not
      • setVisible

        public void setVisible​(boolean visible)
        Description copied from interface: IContributionItem
        Sets whether this contribution item is visibile within its manager.
        Specified by:
        setVisible in interface IContributionItem
        Parameters:
        visible - true if this item should be visible, and false otherwise
      • setActionDefinitionId

        public void setActionDefinitionId​(String definitionId)
        Sets the action definition id of this action. This simply allows the menu item text to include a short cut if available. It can be used to notify a user of a key combination that will open a quick menu.
        Parameters:
        definitionId - the command definition id
        Since:
        3.4
      • update

        public void update()
        Description copied from interface: IContributionItem
        Updates any SWT controls cached by this contribution item with any changes which have been made to this contribution item since the last update. Called by contribution manager update methods.
        Specified by:
        update in interface IContributionItem
      • update

        public void update​(boolean force)
        The MenuManager implementation of this IContributionManager updates this menu, but not any of its submenus.
        Specified by:
        update in interface IContributionManager
        Parameters:
        force - true means update even if not dirty, and false for normal incremental updating
        See Also:
        updateAll(boolean)
      • getMenuItems

        protected Item[] getMenuItems()
        Get all the items from the implementation's widget.
        Returns:
        the menu items
        Since:
        3.4
      • getMenuItem

        protected Item getMenuItem​(int index)
        Get an item from the implementation's widget.
        Parameters:
        index - of the item
        Returns:
        the menu item
        Since:
        3.4
      • getMenuItemCount

        protected int getMenuItemCount()
        Get the menu item count for the implementation's widget.
        Returns:
        the number of items
        Since:
        3.4
      • doItemFill

        protected void doItemFill​(IContributionItem ci,
                                  int index)
        Call an IContributionItem's fill method with the implementation's widget. The default is to use the Menu widget.
        fill(Menu menu, int index)
        Parameters:
        ci - An IContributionItem whose fill() method should be called.
        index - The position the fill() method should start inserting at.
        Since:
        3.4
      • update

        protected void update​(boolean force,
                              boolean recursive)
        Incrementally builds the menu from the contribution items. This method leaves out double separators and separators in the first or last position.
        Parameters:
        force - true means update even if not dirty, and false for normal incremental updating
        recursive - true means recursively update all submenus, and false means just this menu
      • update

        public void update​(String property)
        Description copied from interface: IContributionItem
        Updates any SWT controls cached by this contribution item with changes for the the given property.
        Specified by:
        update in interface IContributionItem
        Parameters:
        property - the id of the changed property
      • updateAll

        public void updateAll​(boolean force)
        Description copied from interface: IMenuManager
        Incrementally builds the menu from the contribution items, and does so recursively for all submenus.
        Specified by:
        updateAll in interface IMenuManager
        Parameters:
        force - true means update even if not dirty, and false for normal incremental updating
      • setMenuText

        public void setMenuText​(String menuText)
        Parameters:
        menuText - The text (label) of the menu.
        Since:
        3.10
      • setImageDescriptor

        public void setImageDescriptor​(ImageDescriptor imageDescriptor)
        Parameters:
        imageDescriptor - The image descriptor to set.
        Since:
        3.10