GravityTracker (Cytoscape Swing App API (swing-app-api) 3.8.0 API)

All Known Implementing Classes:

MenuGravityTracker, PopupMenuGravityTracker
```
public interface GravityTracker
```
This interface sepecifies a tracker that will be used to insert items (submenus, menu items and separators) into a menu based on their "gravity" or "weight". Items with higher gravity will appear further down the menu.
Module: swing-util-api
To use this in your app, include the following dependency in your POM:
```
<dependency>
    <groupId>org.cytoscape</groupId>
    <artifactId>swing-util-api</artifactId>
</dependency>
```
Cytoscape Backwards Compatibility (API Interface): We expect that this interface will be used but not implemented by developers using this interface. As such, we reserve the right to add methods to the interface as part of minor version upgrades. We will not remove methods for any changes other than major version upgrades.

Field Summary

Fields
Modifier and Type Field Description

static double USE_ALPHABETIC_ORDER

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`addMenu(JMenu newSubmenu, double gravity)`	Adds a new submenu into a position based on "gravity" of the new item.
`void`	`addMenuItem(JMenuItem newMenuItem, double gravity)`	Adds a new menu item into a position based on "gravity" of the new item.
`void`	`addMenuSeparator(double gravity)`	Adds a separator into a position based on "gravity" of the new item.
`Component`	`getMenu()`	Returns the JPopupMenu or JMenu that this gravity tracker tracks.
`void`	`removeComponent(Component component)`	Removes an item from this tracker and the corresponding menu.

- Field Detail
  - USE_ALPHABETIC_ORDER
```
static final double USE_ALPHABETIC_ORDER
```
    See Also:
    
    Constant Field Values
- Method Detail
  - getMenu
```
Component getMenu()
```
    Returns the JPopupMenu or JMenu that this gravity tracker tracks.
    
    Returns:
    
    the JPopupMenu or JMenu that this gravity tracker tracks
  - addMenuItem
```
void addMenuItem(JMenuItem newMenuItem,
                 double gravity)
```
    Adds a new menu item into a position based on "gravity" of the new item.
    
    Parameters:
    
    newMenuItem - the new item to insert into the menu
    
    gravity - the weight determining the insert position (use USE_ALPHABETIC_ORDER if you want alphabetic ordering)
  - addMenu
```
void addMenu(JMenu newSubmenu,
             double gravity)
```
    Adds a new submenu into a position based on "gravity" of the new item.
    
    Parameters:
    
    newSubmenu - the new submenu to insert into the menu
    
    gravity - the weight determining the insert position
  - addMenuSeparator
```
void addMenuSeparator(double gravity)
```
    Adds a separator into a position based on "gravity" of the new item.
    
    Parameters:
    
    gravity - the weight determining the insert position
  - removeComponent
```
void removeComponent(Component component)
```
    Removes an item from this tracker and the corresponding menu.
    
    Parameters:
    
    component - the item that is to be removed