ilog.cpl.graph.background

Interface IlpBackgroundSupport

All Known Subinterfaces:

IlpBackgroundSupport

All Known Implementing Classes:

IlpDefaultBackgroundSupport, IlpDefaultBackgroundSupport

public interface IlpBackgroundSupport

This interface provides the functionality needed for the IlpViewsViews to handle the background support needs of background based components such as the IlpNetwork and IlpEquipment.

The functions in this interface can be called by the view, the controller, or an interactor.

Since:

JViews 7.5

See Also:

IlpBackgroundFactory, IlpBackgroundListener

Method Summary

Modifier and Type	Method and Description
void	addBackground(URL backgroundURL) Adds the background pointed by the provided URL as the last background.
void	addBackground(URL backgroundURL, IlpBackground background, int index) Adds the background specified in the URL using the the provided IlpBackground at the specified index.
void	addBackground(URL backgroundURL, int index) Adds the background pointed by the provided URL at the specified index.
void	addBackgroundListener(IlpBackgroundListener listener) Allows individuals to add an IlpBackgroundListener to this IlpBackgroundSupport.
void	addBackgrounds(List backgroundURLs) Adds the provided backgrounds.
IlpBackgroundFactory	getBackgroundFactory(String extension) Returns the IlpBackgroundFactory for the given extension.
IlpBackground	getBackgroundInstance(URL backgroundURL) Returns the IlpBackground instance associated with the URL provided.
List	getBackgrounds() Returns a read-only List of URL instances in the same order as they were indexed.
IlpViewsView	getView() Returns the IlpViewsView that this background support is associated with.
void	moveBackground(URL backgroundURL, int index) Allows individuals to move the background specified by the provided URL to the index provided.
void	registerBackgroundFactory(String extension, IlpBackgroundFactory factory) Registers the provided IlpBackgroundFactory for the given extension.
void	reloadBackground(URL backgroundURL) Reloads the background pointed to by the provided URL.
void	reloadBackgrounds() Reloads all the background.
void	removeBackground(URL backgroundURL) Removes the background pointed to by the provided URL.
void	removeBackgroundListener(IlpBackgroundListener listener) Allows individuals to removed an IlpBackgroundListener to from IlpBackgroundSupport.
void	removeBackgrounds() Removes all backgrounds.
void	setView(IlpViewsView view) Associates this background support with the provided view.

Method Detail

addBackground

void addBackground(URL backgroundURL)
            throws IlpBackgroundHandlingException

Adds the background pointed by the provided URL as the last background.

Parameters:

backgroundURL - the URL of the background to be added

Throws:

IlpBackgroundHandlingException - in case a problem occurs when adding background for the provided URL.

addBackground

void addBackground(URL backgroundURL,
                   int index)
            throws IlpBackgroundHandlingException

Adds the background pointed by the provided URL at the specified index.

Parameters:

backgroundURL - the URL of the background to be added

index - the index where to add the background

Throws:

IlpBackgroundHandlingException - in case a problem occurs when adding background for the provided URL at the given index.

addBackground

void addBackground(URL backgroundURL,
                   IlpBackground background,
                   int index)
            throws IlpBackgroundHandlingException

Adds the background specified in the URL using the the provided IlpBackground at the specified index.

Parameters:

backgroundURL - the URL of the background to be added

background - the IlpBackground instance to be used

index - the index where to add the background

Throws:

IlpBackgroundHandlingException - in case a problem occurs when adding background for the provided URL and IlpBackground.

removeBackground

void removeBackground(URL backgroundURL)
               throws IlpBackgroundHandlingException

Removes the background pointed to by the provided URL.

Parameters:

backgroundURL - the URL of the background of interest

Throws:

IlpBackgroundHandlingException - in case a problem occurs when removing the IlpBackground associated with the provide URL.

removeBackgrounds

void removeBackgrounds()
                throws IlpBackgroundHandlingException

Removes all backgrounds.

Throws:

IlpBackgroundHandlingException - in case a problem occurs when removing all the backgrounds.

reloadBackground

void reloadBackground(URL backgroundURL)
               throws IlpBackgroundHandlingException

Reloads the background pointed to by the provided URL.

Parameters:

backgroundURL - the URL that points to a given background.

Throws:

IlpBackgroundHandlingException - in case a problem occurs when reloading the provided URL.

reloadBackgrounds

void reloadBackgrounds()
                throws IlpBackgroundHandlingException

Reloads all the background.

Throws:

IlpBackgroundHandlingException - in case a problem occurs when reloading all the backgrounds.

getBackgrounds

List getBackgrounds()

Returns a read-only List of URL instances in the same order as they were indexed.

Returns:

a read-only List of URL instances in the same order as they were indexed

addBackgrounds

void addBackgrounds(List backgroundURLs)
             throws IlpBackgroundHandlingException

Adds the provided backgrounds.

Parameters:

backgroundURLs - a List of URL instances

Throws:

IlpBackgroundHandlingException - in case a problem occurs when adding all the backgrounds.

getBackgroundInstance

IlpBackground getBackgroundInstance(URL backgroundURL)
                             throws IlpBackgroundHandlingException

Returns the IlpBackground instance associated with the URL provided.

Parameters:

backgroundURL - the URL of interest.

Returns:

the IlpBackground instance that represents the provided URL

Throws:

IlpBackgroundHandlingException - in case a problem occurs when obtaining the IlpBackground instance for the provide URL.

setView

void setView(IlpViewsView view)
      throws IlpBackgroundHandlingException

Associates this background support with the provided view.

If a null value is passed as the view, this background support disengages support for its previous IlpViewsView.

Parameters:

view - the IlpViewsView of interest.

Throws:

IlpBackgroundHandlingException - in case a problem occurs when setting IlpViewsView.

getView

IlpViewsView getView()

Returns the IlpViewsView that this background support is associated with.

Returns:

view the IlpViewsView that this background support is associated with.

getBackgroundFactory

IlpBackgroundFactory getBackgroundFactory(String extension)

Returns the IlpBackgroundFactory for the given extension.

Parameters:

extension - the extension that should specified in the form: "gif", "png"...

Returns:

the IlpBackgroundFactory registered for the given extension or null if no factory has been registered for it.

registerBackgroundFactory

void registerBackgroundFactory(String extension,
                               IlpBackgroundFactory factory)
                        throws IlpBackgroundHandlingException

Registers the provided IlpBackgroundFactory for the given extension.

If a null value is passed as the factory, the factory is removed from the list of registered factories.

If a this method is called multiple times with different instances of factories, the last instance provided will be the one into effect.

Parameters:

extension - the extension that should specified in the form: "gif", "png"...

factory - the IlpBackgroundFactory to be used for the given extension or null

Throws:

IlpBackgroundHandlingException - in case a problem occurs when registering the IlpBackgroundFactory for the given extension.

addBackgroundListener

void addBackgroundListener(IlpBackgroundListener listener)

Allows individuals to add an IlpBackgroundListener to this IlpBackgroundSupport.

Parameters:

listener - IlpBackgroundListener to be notified of changes.

removeBackgroundListener

void removeBackgroundListener(IlpBackgroundListener listener)

Allows individuals to removed an IlpBackgroundListener to from IlpBackgroundSupport.

Parameters:

listener - IlpBackgroundListener to be removed.

moveBackground

void moveBackground(URL backgroundURL,
                    int index)
             throws IlpBackgroundHandlingException

Allows individuals to move the background specified by the provided URL to the index provided.

Parameters:

backgroundURL - the URL of the background of interest.

index - the index where the background should now be located.

Throws:

IlpBackgroundHandlingException - in case a problem occurs when moving the background.