# OpenLayers.Format.Context

Base class for both Format.WMC and Format.OWSContext

Summary

OpenLayers.Format.Context | Base class for both Format.WMC and Format.OWSContext
Constructor |
OpenLayers.Format.Context | Create a new parser for Context documents.
Functions |
read | Read Context data from a string, and return an object with map properties and a list of layers.
write | Write a context document given a map.
Constants |
OpenLayers.Format.Context.serviceTypes | Enumeration for service types

### Constructor

### OpenLayers.Format.Context

Create a new parser for Context documents.

#### Parameters

options | {Object} An optional object whose properties will be set on this instance.

### Functions

### read

> read: function( | data,
> | options | )

Read Context data from a string, and return an object with map properties and a list of layers.

#### Parameters

data | {String} or {DOMElement} data to read/parse.
options | {Object} The options object must contain a map property. If the map property is a string, it must be the id of a dom element where the new map will be placed. If the map property is an OpenLayers.Map, the layers from the context document will be added to the map.

#### Returns

{OpenLayers.Map} A map based on the context.

### write

> write: function( | obj,
> | options | )

Write a context document given a map.

#### Parameters

obj | {OpenLayers.Map | Object} A map or context object.
options | {Object} Optional configuration object.

#### Returns

{String} A context document string.

### Constants

### OpenLayers.Format.Context.serviceTypes

Enumeration for service types

> read: function( | data,
> | options | )

Read Context data from a string, and return an object with map properties and a list of layers.

> write: function( | obj,
> | options | )

Write a context document given a map.
Instances of OpenLayers.Map are interactive maps embedded in a web page.
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