com.yworks.yfiles.server.svg
Class SVGIdRewriteGraphVisitor

java.lang.Object
  com.yworks.yfiles.server.svg.SVGIdRewriteGraphVisitor

All Implemented Interfaces:

SVGGraphVisitor

public class SVGIdRewriteGraphVisitor

extends Object

implements SVGGraphVisitor

This implementation of SVGGraphVisitor rewrites all IDs in the SVG document to include a prefix. The prefix is retrieved from the SVGRenderContext.getIdPrefix() method.

Constructor Summary

SVGIdRewriteGraphVisitor(SVGRenderContext ctx)
Creates a new SVGIDRewriteGraphVisitor for the given context.

Method Summary

protected String	createNewId(String oldId) Creates a new ID given the old one.
void	visitAttribute(Attr attr) Replaces ID values with a prefixed version.
void	visitNode(Node node) Does nothing.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SVGIdRewriteGraphVisitor

public SVGIdRewriteGraphVisitor(SVGRenderContext ctx)

Creates a new SVGIDRewriteGraphVisitor for the given context.

Parameters:

ctx - The context

Method Detail

createNewId

protected String createNewId(String oldId)

Creates a new ID given the old one. This method can be overriden to customize it.

Parameters:

oldId - Can be either the actual ID or a Pattern replacement string (i.e. "$1")

Returns:

The new ID

visitNode

public final void visitNode(Node node)

Does nothing.

Specified by:

visitNode in interface SVGGraphVisitor

Parameters:

node - The node

visitAttribute

public final void visitAttribute(Attr attr)

Replaces ID values with a prefixed version. This method handles the "id" attribute by replacing its value with a prefixed one, and can also handle the "xlink:href" attribute as well as any other attribute that contains a "url(#someid)" reference as its value.

Specified by:

visitAttribute in interface SVGGraphVisitor

Parameters:

attr - The attribute whose value might be rewritten.