/*
Iterates through the element tree and prints
out each element and its attributes.
*/
private void dumpTree() {
Element elem;
while (true) {
if ((elem = next()) != null) {
System.out.println("elem: " + elem.getName());
AttributeSet attr = elem.getAttributes();
String s = "";
Enumeration names = attr.getAttributeNames();
while (names.hasMoreElements()) {
Object key = names.nextElement();
Object value = attr.getAttribute(key);
if (value instanceof AttributeSet) {
// don't go recursive
s = s + key + "=**AttributeSet** ";
} else {
s = s + key + "=" + value + " ";
}
}
System.out.println("attributes: " + s);
} else {
break;
}
}
}
/**
* Searches for embedded tags in the AttributeSet and writes them out. It also stores these tags
* in a vector so that when appropriate the corresponding end tags can be written out.
*
* @exception IOException on any I/O error
*/
protected void writeEmbeddedTags(AttributeSet attr) throws IOException {
// translate css attributes to html
attr = convertToHTML(attr, oConvAttr);
Enumeration names = attr.getAttributeNames();
while (names.hasMoreElements()) {
Object name = names.nextElement();
if (name instanceof HTML.Tag) {
HTML.Tag tag = (HTML.Tag) name;
if (tag == HTML.Tag.FORM || tags.contains(tag)) {
continue;
}
write('<');
write(tag.toString());
Object o = attr.getAttribute(tag);
if (o != null && o instanceof AttributeSet) {
writeAttributes((AttributeSet) o);
}
write('>');
tags.addElement(tag);
tagValues.addElement(o);
}
}
}
/** Print the given AttributeSet as a sequence of assignment-like strings, e.g. "key=value". */
protected void writeAttributes(AttributeSet attrs) throws IOException {
Enumeration e = attrs.getAttributeNames();
while (e.hasMoreElements()) {
Object name = e.nextElement();
Object val = attrs.getAttribute(name);
write(name + "=" + val);
writeLineSeparator();
}
}
/**
* Copies the given AttributeSet to a new set, converting any CSS attributes found to arguments of
* an HTML style attribute.
*/
private static void convertToHTML40(AttributeSet from, MutableAttributeSet to) {
Enumeration keys = from.getAttributeNames();
String value = "";
while (keys.hasMoreElements()) {
Object key = keys.nextElement();
if (key instanceof CSS.Attribute) {
value = value + " " + key + "=" + from.getAttribute(key) + ";";
} else {
to.addAttribute(key, from.getAttribute(key));
}
}
if (value.length() > 0) {
to.addAttribute(HTML.Attribute.STYLE, value);
}
}
/**
* Create an older style of HTML attributes. This will convert character level attributes that
* have a StyleConstants mapping over to an HTML tag/attribute. Other CSS attributes will be
* placed in an HTML style attribute.
*/
private static void convertToHTML32(AttributeSet from, MutableAttributeSet to) {
if (from == null) {
return;
}
Enumeration keys = from.getAttributeNames();
String value = "";
while (keys.hasMoreElements()) {
Object key = keys.nextElement();
if (key instanceof CSS.Attribute) {
if ((key == CSS.Attribute.FONT_FAMILY)
|| (key == CSS.Attribute.FONT_SIZE)
|| (key == CSS.Attribute.COLOR)) {
createFontAttribute((CSS.Attribute) key, from, to);
} else if (key == CSS.Attribute.FONT_WEIGHT) {
// add a bold tag is weight is bold
CSS.FontWeight weightValue =
(CSS.FontWeight) from.getAttribute(CSS.Attribute.FONT_WEIGHT);
if ((weightValue != null) && (weightValue.getValue() > 400)) {
addAttribute(to, HTML.Tag.B, SimpleAttributeSet.EMPTY);
}
} else if (key == CSS.Attribute.FONT_STYLE) {
String s = from.getAttribute(key).toString();
if (s.indexOf("italic") >= 0) {
addAttribute(to, HTML.Tag.I, SimpleAttributeSet.EMPTY);
}
} else if (key == CSS.Attribute.TEXT_DECORATION) {
String decor = from.getAttribute(key).toString();
if (decor.indexOf("underline") >= 0) {
addAttribute(to, HTML.Tag.U, SimpleAttributeSet.EMPTY);
}
if (decor.indexOf("line-through") >= 0) {
addAttribute(to, HTML.Tag.STRIKE, SimpleAttributeSet.EMPTY);
}
} else if (key == CSS.Attribute.VERTICAL_ALIGN) {
String vAlign = from.getAttribute(key).toString();
if (vAlign.indexOf("sup") >= 0) {
addAttribute(to, HTML.Tag.SUP, SimpleAttributeSet.EMPTY);
}
if (vAlign.indexOf("sub") >= 0) {
addAttribute(to, HTML.Tag.SUB, SimpleAttributeSet.EMPTY);
}
} else if (key == CSS.Attribute.TEXT_ALIGN) {
addAttribute(to, HTML.Attribute.ALIGN, from.getAttribute(key).toString());
} else {
// default is to store in a HTML style attribute
if (value.length() > 0) {
value = value + "; ";
}
value = value + key + ": " + from.getAttribute(key);
}
} else {
Object attr = from.getAttribute(key);
if (attr instanceof AttributeSet) {
attr = ((AttributeSet) attr).copyAttributes();
}
addAttribute(to, key, attr);
}
}
if (value.length() > 0) {
to.addAttribute(HTML.Attribute.STYLE, value);
}
}
