/**
* Builds using the specified BridgeContext and element, the specified graphics node.
*
* @param ctx the bridge context to use
* @param e the element that describes the graphics node to build
* @param node the graphics node to build
*/
public void buildGraphicsNode(BridgeContext ctx, Element e, GraphicsNode node) {
CompositeGraphicsNode cgn = (CompositeGraphicsNode) node;
// build flowRegion shapes
boolean isStatic = !ctx.isDynamic();
if (isStatic) {
flowRegionNodes = new HashMap();
} else {
regionChangeListener = new RegionChangeListener();
}
CompositeGraphicsNode cgn2 = (CompositeGraphicsNode) cgn.get(0);
GVTBuilder builder = ctx.getGVTBuilder();
for (Node n = getFirstChild(e); n != null; n = getNextSibling(n)) {
if (n instanceof SVGOMFlowRegionElement) {
for (Node m = getFirstChild(n); m != null; m = getNextSibling(m)) {
if (m.getNodeType() != Node.ELEMENT_NODE) {
continue;
}
GraphicsNode gn = builder.build(ctx, (Element) m);
if (gn != null) {
cgn2.add(gn);
if (isStatic) {
flowRegionNodes.put(m, gn);
}
}
}
if (!isStatic) {
AbstractNode an = (AbstractNode) n;
XBLEventSupport es = (XBLEventSupport) an.initializeEventSupport();
es.addImplementationEventListenerNS(
SVG_NAMESPACE_URI, "shapechange", regionChangeListener, false);
}
}
}
// build text node
GraphicsNode tn = (GraphicsNode) cgn.get(1);
super.buildGraphicsNode(ctx, e, tn);
// Drop references once static build is completed.
flowRegionNodes = null;
}
/**
* Creates a <tt>GraphicsNode</tt> according to the specified parameters.
*
* @param ctx the bridge context to use
* @param e the element that describes the graphics node to build
* @return a graphics node that represents the specified element
*/
public GraphicsNode createGraphicsNode(BridgeContext ctx, Element e) {
// 'requiredFeatures', 'requiredExtensions' and 'systemLanguage'
if (!SVGUtilities.matchUserAgent(e, ctx.getUserAgent())) {
return null;
}
CompositeGraphicsNode cgn = new CompositeGraphicsNode();
// 'transform'
String s = e.getAttributeNS(null, SVG_TRANSFORM_ATTRIBUTE);
if (s.length() != 0) {
cgn.setTransform(SVGUtilities.convertTransform(e, SVG_TRANSFORM_ATTRIBUTE, s, ctx));
}
// 'visibility'
cgn.setVisible(CSSUtilities.convertVisibility(e));
// 'text-rendering' and 'color-rendering'
RenderingHints hints = null;
hints = CSSUtilities.convertColorRendering(e, hints);
hints = CSSUtilities.convertTextRendering(e, hints);
if (hints != null) {
cgn.setRenderingHints(hints);
}
// first child holds the flow region nodes
CompositeGraphicsNode cgn2 = new CompositeGraphicsNode();
cgn.add(cgn2);
// second child is the text node
FlowTextNode tn = (FlowTextNode) instantiateGraphicsNode();
tn.setLocation(getLocation(ctx, e));
// specify the text painter to use
if (ctx.getTextPainter() != null) {
tn.setTextPainter(ctx.getTextPainter());
}
textNode = tn;
cgn.add(tn);
associateSVGContext(ctx, e, cgn);
// 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);
}
return cgn;
}
