/**
* From the <code>SVGContext</code> from the element children of the node.
*
* @param ctx the <code>BridgeContext</code> for the document
* @param e the <code>Element</code> whose subtree's elements will have threir <code>SVGContext
* </code>s removed
* @see org.apache.batik.dom.svg.SVGContext
* @see org.apache.batik.bridge.BridgeUpdateHandler
*/
protected void removeContextFromChild(BridgeContext ctx, Element e) {
if (SVG_NAMESPACE_URI.equals(e.getNamespaceURI())) {
String ln = e.getLocalName();
if (ln.equals(SVG12Constants.SVG_FLOW_DIV_TAG)
|| ln.equals(SVG12Constants.SVG_FLOW_LINE_TAG)
|| ln.equals(SVG12Constants.SVG_FLOW_PARA_TAG)
|| ln.equals(SVG12Constants.SVG_FLOW_SPAN_TAG)) {
((AbstractTextChildBridgeUpdateHandler) ((SVGOMElement) e).getSVGContext()).dispose();
}
}
Node child = getFirstChild(e);
while (child != null) {
if (child.getNodeType() == Node.ELEMENT_NODE) {
removeContextFromChild(ctx, (Element) child);
}
child = getNextSibling(child);
}
}
/**
* Add to the element children of the node, a <code>SVGContext</code> to support dynamic update.
* This is recursive, the children of the nodes are also traversed to add to the support elements
* their context
*
* @param ctx a <code>BridgeContext</code> value
* @param e an <code>Element</code> value
* @see org.apache.batik.dom.svg.SVGContext
* @see org.apache.batik.bridge.BridgeUpdateHandler
*/
protected void addContextToChild(BridgeContext ctx, Element e) {
if (SVG_NAMESPACE_URI.equals(e.getNamespaceURI())) {
String ln = e.getLocalName();
if (ln.equals(SVG12Constants.SVG_FLOW_DIV_TAG)
|| ln.equals(SVG12Constants.SVG_FLOW_LINE_TAG)
|| ln.equals(SVG12Constants.SVG_FLOW_PARA_TAG)
|| ln.equals(SVG12Constants.SVG_FLOW_SPAN_TAG)) {
((SVGOMElement) e).setSVGContext(new FlowContentBridge(ctx, this, e));
}
}
// traverse the children to add SVGContext
Node child = getFirstChild(e);
while (child != null) {
if (child.getNodeType() == Node.ELEMENT_NODE) {
addContextToChild(ctx, (Element) child);
}
child = getNextSibling(child);
}
}