Package uk.ac.rdg.resc.godiva.client.state

Interface LayerSelectorIF

All Superinterfaces:

com.google.gwt.user.client.ui.IsWidget

All Known Implementing Classes:

LayerSelectorCombo, LayerSelectorTree

public interface LayerSelectorIF
extends com.google.gwt.user.client.ui.IsWidget

Interface defining a single layer selection widget. This is not part of the GodivaStateInfo group, and is probably not useful for a multi-layer system

Author:

Guy Griffiths

Method Summary

Modifier and Type	Method	Description
String	getSelectedId()
List<String>	getTitleElements()
String	getWmsUrl()
void	populateLayers(LayerMenuItem topItem)	Populate the menu tree
void	selectLayer(String id, String wmsUrl, boolean autoZoomAndPalette)	Sets the selected layer
void	setEnabled(boolean enabled)	Enables/disables the layer selector

Methods inherited from interface com.google.gwt.user.client.ui.IsWidget

asWidget

Method Detail

populateLayers

void populateLayers(LayerMenuItem topItem)

Populate the menu tree

Parameters:

topItem - A LayerMenuItem representing the top level menu item

getSelectedId

String getSelectedId()

Returns:

The currently selected layer ID

selectLayer

void selectLayer(String id,
                 String wmsUrl,
                 boolean autoZoomAndPalette)

Sets the selected layer

Parameters:

id - The layer ID

wmsUrl - The corresponding WMS URL

autoZoomAndPalette - Whether or not to automatically zoom and set the palette after selecting the layer

setEnabled

void setEnabled(boolean enabled)

Enables/disables the layer selector

getTitleElements

List<String> getTitleElements()

Returns:

A list of string elements which define where we are in the menu tree. This is used for generating titles

getWmsUrl

String getWmsUrl()

Returns:

The WMS URL of the currently selected layer