/**
* Update the contents of the icon based on the SVG data in the associated "_iconDescription"
* parameter, if there is one.
*/
private void _updateContents() throws Exception {
if (_description == null) {
return;
}
String text = _description.value();
Reader in = new StringReader(text);
XmlDocument document = new XmlDocument((URL) null);
XmlReader reader = new XmlReader();
reader.parse(document, in);
XmlElement root = document.getRoot();
_generateContents(root);
// FIXME: What to do about the _smallIconDescription?
}
/**
* Return a new widget for configuring the container.
*
* @return A JPanel that is a text editor for editing the annotation text.
*/
public Component createEditorPane() {
_textArea = new JTextArea();
_iconDescription = (ConfigurableAttribute) _container.getAttribute("_iconDescription");
if (_iconDescription == null) {
try {
_iconDescription = new SingletonConfigurableAttribute(_container, "_iconDescription");
} catch (KernelException ex) {
// Cannot occur.
throw new InternalErrorException(ex.toString());
}
}
// Parse the SVG to find the text.
String text = _iconDescription.getExpression();
// Default font characteristics.
_fontSize = "14";
_fontFamily = "SansSerif";
_fontColor = "blue";
try {
Reader in = new StringReader(text);
// NOTE: Do we need a base here?
XmlDocument document = new XmlDocument((URL) null);
XmlReader reader = new XmlReader();
reader.parse(document, in);
XmlElement root = document.getRoot();
String name = root.getType();
if (name.equals("svg")) {
Iterator children = root.elements();
while (children.hasNext()) {
XmlElement child = (XmlElement) children.next();
name = child.getType();
if (name.equals("text")) {
text = child.getPCData();
String style = (String) child.getAttributeMap().get("style");
if (style != null) {
StringTokenizer tokenizer = new StringTokenizer(style, ";");
while (tokenizer.hasMoreTokens()) {
String token = tokenizer.nextToken();
int colon = token.indexOf(":");
if (colon > 0) {
String property = token.substring(0, colon).trim();
if (property.equals("fill")) {
_fontColor = token.substring(colon + 1);
} else if (property.equals("font-size")) {
_fontSize = token.substring(colon + 1);
} else if (property.equals("font-family")) {
_fontFamily = token.substring(colon + 1);
}
}
}
}
// We are done once we find a text element.
break;
}
}
}
} catch (Exception ex) {
// If we fail, then we use the text as is.
}
_textArea.setText(text);
AnnotationTextEditor editor = new AnnotationTextEditor(_textArea);
return editor;
}