protected void updateSvgDocument() {
getBrowserExtension().clearLocalHyperlinkCache();
getBrowserExtension().clearResourceCache();
SVGDocument doc = getSvgDocument();
if (doc == null) {
getUiField().setText("");
return;
}
try {
// set the dimensions of the svg element to the size of the browser field
Rectangle browserBounds = getAbsoluteBrowserBounds();
doc.getRootElement()
.setAttribute(SVGConstants.SVG_HEIGHT_ATTRIBUTE, browserBounds.height + "px");
doc.getRootElement()
.setAttribute(SVGConstants.SVG_WIDTH_ATTRIBUTE, browserBounds.width + "px");
// get the svg code as string and rewrite the local links
String svgText =
getBrowserExtension().adaptLocalHyperlinks(getSvgContentFromDocument(doc), 2);
// bugfix for SVG fields to ensure all context menus are closed when the user clicks into the
// svg field
String contextMenuHideScript =
"parent.parent.org.eclipse.rwt.MenuManager.getInstance().update(null, 'mousedown');";
// bugfix so that the svg field inherits the color of the parent container. otherwise it is
// always defined white.
String backgroundColorInheritScript = null;
if (getScoutObject().getBackgroundColor() == null) {
backgroundColorInheritScript =
"var iframes = parent.document.getElementsByTagName('iframe');"
+ "for(var i=0;i<iframes.length;i++) {"
+ " var field=iframes[i].parentNode;"
+ " var color=field.style.backgroundColor;"
+ " if(color && color.toLowerCase() === 'rgb(255, 255, 255)') "
+ " field.style.backgroundColor='';"
+ "}";
} else {
backgroundColorInheritScript = "";
}
// set the html content to the browser
getUiField()
.setText(
"<html><body width=\"100%\" height=\"100%\" onload=\""
+ backgroundColorInheritScript
+ "\" onclick=\""
+ contextMenuHideScript
+ "\">"
+ svgText
+ "</body></html>");
} catch (Exception e) {
LOG.error("preparing svg browser content", e);
getUiField().setText("");
}
}
protected static String getSvgContentFromDocument(SVGDocument doc) throws ProcessingException {
try {
ByteArrayOutputStream out = new ByteArrayOutputStream();
DOMSource domSource = new DOMSource(doc.getRootElement());
StreamResult streamResult = new StreamResult(out);
Transformer t = TransformerFactory.newInstance().newTransformer();
t.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
t.setOutputProperty(OutputKeys.ENCODING, DOCUMENT_ENCODING);
t.transform(domSource, streamResult);
out.close();
return new String(out.toByteArray(), DOCUMENT_ENCODING);
} catch (Exception e) {
throw new ProcessingException("Writing SVG Failed", e);
}
}
public Document(InputStream stream) throws IOException {
f = new SAXSVGDocumentFactory(XMLResourceDescriptor.getXMLParserClassName());
doc = f.createSVGDocument(null, stream);
// Boot the CSS engine
userAgent = new UserAgentAdapter();
loader = new DocumentLoader(userAgent);
ctx = new BridgeContext(userAgent, loader);
ctx.setDynamicState(BridgeContext.DYNAMIC);
builder = new GVTBuilder();
rootGN = builder.build(ctx, doc);
svgRoot = doc.getRootElement();
vcss = (ViewCSS) doc.getDocumentElement();
}
/**
* Default implementation uses the root element of the document associated with BridgeContext.
* This is useful for CSS case.
*/
protected Element getBaseElement(BridgeContext ctx) {
SVGDocument d = (SVGDocument) ctx.getDocument();
return d.getRootElement();
}
){kind=link}
