org.gvsig.fmap.mapcontext.layers.order

Interface LayerOrderManager

All Superinterfaces:

Cloneable, Persistent

All Known Implementing Classes:

RasterPolLinePointOrderManager, TrivialLayerOrderManager

public interface LayerOrderManager
extends Persistent, Cloneable

This manager will decide the position where layers (FLayer) are added to a layer collection (FLayers)

Method Summary

Modifier and Type	Method and Description
Object	clone()
String	getCode() Gets the code used to register this OrderManager.
String	getDescription() Gets the description.
String	getName() Gets the name.
int	getPosition(FLayers target, FLayer newLayer) Gets the proposed position for the newLayer in the target layer collection.

Methods inherited from interface org.gvsig.tools.persistence.Persistent

loadFromState, saveToState

Method Detail

getPosition

int getPosition(FLayers target,
                FLayer newLayer)

Gets the proposed position for the newLayer in the target layer collection. The OrderManager will study the arrangement of the target layer collection and will decide the right position for the new layer, according to its own criterion.

Parameters:

target - The target collection to which newLayer will be added

newLayer - The layer to be inserted in the layer collection

Returns:

The proposed position for the new layer

getName

String getName()

Gets the name. The name should identify the policy followed by this OrderManager to sort the layers.

Returns:

The name of the OrderManager

getDescription

String getDescription()

Gets the description. The description should be enough to get an idea of the policy and features of this OrderManager.

Returns:

The description of the OrderManager

getCode

String getCode()

Gets the code used to register this OrderManager.

Returns:

The code used to register this orderManager

clone

Object clone()
      throws CloneNotSupportedException

Throws:

CloneNotSupportedException