ToolbarContributor (XAOS 0.13-SNAPSHOT API)

```
public interface ToolbarContributor
```
Implementations of this interface allow for new toolbar elements (buttons, combo boxes, etc.) being added into the PluggableChartContainer toolbar.

Author:

claudio.rosati@esss.se

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default boolean`	`isPrecededBySeparator()`
`Control`	`provide(PluggableChartContainer chartContainer)`	Provides a new element for the `PluggableChartContainer` toolbar.

- Method Detail
  - isPrecededBySeparator
```
default boolean isPrecededBySeparator()
```
    Returns:
    
    true if the component provided by provide(PluggableChartContainer) needs to be preceded by a Separator one. By default this method returns false.
  - provide
```
Control provide(PluggableChartContainer chartContainer)
```
    Provides a new element for the PluggableChartContainer toolbar.
    
    Parameters:
    
    chartContainer - The PluggableChartContainer whose toolbar must be contributed to.
    
    Returns:
    
    A new Control to be added into the PluggableChartContainer toolbar.