/**
* Fetches the attributes to use when rendering. This is implemented to multiplex the attributes
* specified in the model with a StyleSheet.
*/
public AttributeSet getAttributes() {
if (attr == null) {
StyleSheet sheet = getStyleSheet();
attr = sheet.getViewAttributes(this);
}
return attr;
}
/**
* Outputs the styles as a single element. Styles are not stored as elements, but part of the
* document. For the time being styles are written out as a comment, inside a style tag.
*/
void writeStyles(StyleSheet sheet) throws IOException {
if (sheet != null) {
Enumeration styles = sheet.getStyleNames();
if (styles != null) {
boolean outputStyle = false;
while (styles.hasMoreElements()) {
String name = (String) styles.nextElement();
// Don't write out the default style.
if (!StyleContext.DEFAULT_STYLE.equals(name)
&& writeStyle(name, sheet.getStyle(name), outputStyle)) {
outputStyle = true;
}
}
if (outputStyle) {
writeStyleEndTag();
}
}
}
}
/** Update any cached values that come from attributes. */
protected void setPropertiesFromAttributes() {
// update attributes
StyleSheet sheet = getStyleSheet();
attr = sheet.getViewAttributes(this);
// Reset the painter
painter = sheet.getBoxPainter(attr);
if (attr != null) {
setInsets(
(short) painter.getInset(TOP, this),
(short) painter.getInset(LEFT, this),
(short) painter.getInset(BOTTOM, this),
(short) painter.getInset(RIGHT, this));
}
// Get the width/height
cssWidth = (CSS.LengthValue) attr.getAttribute(CSS.Attribute.WIDTH);
cssHeight = (CSS.LengthValue) attr.getAttribute(CSS.Attribute.HEIGHT);
}
/**
* Creates a new view that represents an IMG element.
*
* @param elem the element to create a view for
*/
public MyImageView(Element elem) {
super(elem);
initialize(elem);
StyleSheet sheet = getStyleSheet();
attr = sheet.getViewAttributes(this);
}