IActionDialog (Hop Engine 2.3.0 API)

```
public interface IActionDialog
```
IActionDialog is the Java interface that implements the settings dialog of a action plugin. The responsibilities of the implementing class are listed below.
- public IAction open()
This method should return only after the dialog has been confirmed or cancelled. The method must conform to the following rules:

If the dialog is confirmed:
- The IAction object must be updated to reflect the new settings
- If the user changed any settings, the IAction object's "changed" flag must be set to true
- open() must return the IAction object
If the dialog is cancelled:
- The IAction object must not be changed
- The IAction object's "changed" flag must be set to the value it had at the time the dialog opened
- open() must return null

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`isDisposed()`
`IAction`	`open()`	Opens a ActionDialog and waits for the dialog to be confirmed or cancelled.
`void`	`setActive()`	Brings the dialog to the front if the dialog is already open.
`void`	`setMetadataProvider(IHopMetadataProvider metadataProvider)`	The Metadata provider to pass

- Method Detail
  - open
```
IAction open()
```
    Opens a ActionDialog and waits for the dialog to be confirmed or cancelled.
    
    Returns:
    
    the action interface if the dialog is confirmed, null otherwise
  - setActive
```
void setActive()
```
    Brings the dialog to the front if the dialog is already open.
  - setMetadataProvider
```
void setMetadataProvider(IHopMetadataProvider metadataProvider)
```
    The Metadata provider to pass
    
    Parameters:
    
    metadataProvider -
  - isDisposed
```
boolean isDisposed()
```
    Returns:
    
    true if the dialog is disposed.