Class IWOverlayManager

A class for managing different overlay layers.

IWOverlayManager

IWOverlayManager(map, container)

Creates an overlay manager for the specified map.

Parameters:
IWMap map
HTMLDivElement container - the DIV container (divOverlay) on which the overlays are added.

getAllOverlays

IWOverlay[] getAllOverlays()

Returns the overlays of all layers.

Returns:
IWOverlay[] 

getLayer

IWOverlayLayer getLayer(level)

Returns the overlay layer for the specified level.

Parameters:
number level - the layer number

Returns:
IWOverlayLayer 

getNextUnusedLayer

IWOverlayLayer getNextUnusedLayer(level)

Returns the next unused overlay layer starting from the specified level. If you specify level 5 but this is already in use, you will get the next free one starting at level 6.

Parameters:
number level - the layer number

Returns:
IWOverlayLayer 

isVisible

boolean isVisible()

Returns true if the overlay layers are visible, otherwise it returns false.

Returns:
boolean 

redraw

void redraw()

Redraws all overlays. Goes through all overlays and calls the redraw() method.

Returns:
void 

removeAllLayers

void removeAllLayers()

Removes all layers from the map.

Returns:
void 

removeLayer

void removeLayer(level)

Removes the specified layer from the map.

Parameters:
number level - the layer number

Returns:
void 

setVisible

void setVisible(visible)

Sets the visibility for all overlay layers.

Parameters:
boolean visible

Returns:
void 

toString

String toString()

Returns a string representation of this overlay manager.

Returns:
String