Is NodeIterator the way to go with the iteration of the NodeList? Also, can I set
attributes such as mouseover="someFunction()" using 'setAttribute()'? I guess the
question before that would be: is 'mouseover' (and other functions like it)
considered an attribute of an element?
Vincent Hardy wrote:
> Larry,
>
> larry fredrickson wrote:
> >
> > Thanks. Can you give me a quick example of manipulating my DOM Tree?
>
> NodeList nl = root.getElementsByTagName("rect");
> // Iterate
> ... Element rectElt = .....
> rectElt.setAttribute("fill-opacity", ".5");
> ....
>
> Good luck.
> V.
>
> > Vincent Hardy wrote:
> >
> > > Larry,
> > >
> > > As you noticed, you can use getRoot, then manipulate your DOM tree,
> > > then use stream(Element, Writer) method on SVGGraphics2D to steam
> > > to your page.
> > >
> > > Hope this helps.
> > > V.
> > >
> > > larry fredrickson wrote:
> > > >
> > > > I'm trying to output SVG graphics to jsp and add javascript
> > > > functionality to the elements. This is what I'm starting with:
> > > >
> > > > // create a Dimension object and specify the canvas size
> > > > Dimension size = new Dimension(1024,768);
> > > >
> > > > // Get a DOMImplementation
> > > > DOMImplementation domImpl =
> > > > GenericDOMImplementation.getDOMImplementation();
> > > >
> > > > // Create an instance of org.w3c.dom.Document
> > > > Document document = domImpl.createDocument(null,"svg",null);
> > > >
> > > > // Create an instance of the SVGGrapics2D
> > > > // this requires an X server running on the box
> > > > SVGGraphics2D svgGenerator = new SVGGraphics2D(document);
> > > >
> > > > // set the canvas size; default is Integer.MAX_VALUE
> > > > svgGenerator.setSVGCanvasSize(size);
> > > >
> > > > // do some graphics stuff with the instance of SVGGraphics2D
> > > > svgGenerator.drawLine(100,100,200,200);
> > > >
> > > > StringWriter sw = new StringWriter();
> > > > BufferedWriter outB = new BufferedWriter(sw);
> > > >
> > > > boolean useCSS = true;
> > > > svgGenerator.stream(outB,useCSS);
> > > >
> > > > My output is a stream which gets written to the jsp file. I'd like the
> > > > output to be a DOM tree so I can get at the elements and attach
> > > > javascript to them. I know I can do an svgGenerator.getRoot() to return
> > > > the top level element. But then what? Thanks.
> > > >
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