/**
* Determines the preferred span for this view along an axis. This is implemented to provide the
* superclass behavior after first making sure that the current font metrics are cached (for the
* nested lines which use the metrics to determine the height of the potentially wrapped lines).
*
* @param axis may be either View.X_AXIS or View.Y_AXIS
* @return the span the view would like to be rendered into. Typically the view is told to render
* into the span that is returned, although there is no guarantee. The parent may choose to
* resize or break the view.
* @see View#getPreferredSpan
*/
public float getPreferredSpan(int axis) {
updateMetrics();
float span = 0;
if (axis == View.X_AXIS) { // Add EOL marker
span = super.getPreferredSpan(axis);
span += metrics.charWidth('\u00b6'); // metrics set in updateMetrics
} else {
span = super.getPreferredSpan(axis);
host = (RSyntaxTextArea) getContainer();
if (host.isCodeFoldingEnabled()) {
// TODO: Cache y-offsets again to speed this up
// System.out.println("y-axis baby");
int lineCount = host.getLineCount();
FoldManager fm = host.getFoldManager();
for (int i = 0; i < lineCount; i++) {
if (fm.isLineHidden(i)) {
span -= getSpan(View.Y_AXIS, i);
}
}
}
}
return span;
}
