this.layoutContext = c;
}
long start = System.currentTimeMillis();
BlockBox root = (BlockBox)getRootBox();
if (root != null && isNeedRelayout()) {
root.reset(c);
} else {
root = BoxBuilder.createRootBox(c, doc);
setRootBox(root);
}
initFontFromComponent(root);
Rectangle initialExtents = getInitialExtents(c);
root.setContainingBlock(new ViewportBox(initialExtents));
root.layout(c);
long end = System.currentTimeMillis();
XRLog.layout(Level.INFO, "Layout took " + (end - start) + "ms");
/*
System.out.println(root.dump(c, "", BlockBox.DUMP_LAYOUT));
*/
// if there is a fixed child then we need to set opaque to false
// so that the entire viewport will be repainted. this is slower
// but that's the hit you get from using fixed layout
if (root.getLayer().containsFixedContent()) {
super.setOpaque(false);
} else {
super.setOpaque(true);
}
XRLog.layout(Level.FINEST, "after layout: " + root);
Dimension intrinsic_size = root.getLayer().getPaintingDimension(c);
if (c.isPrint()) {
root.getLayer().trimEmptyPages(c, intrinsic_size.height);
root.getLayer().layoutPages(c);
}
// If the initial size we fed into the layout matches the width
// of the layout generated then we can set the scrollable property
// that matches width of the view pane to the width of this panel.
// Otherwise, if the intrinsic width is different then we can't
// couple the width of the view pane to the width of this panel
// (we hit the minimum size threshold).
viewportMatchWidth = (initialExtents.width == intrinsic_size.width);
setPreferredSize(intrinsic_size);
revalidate();
if (enclosingScrollPane != null) {
// turn on simple scrolling mode if there's any fixed elements
if (root.getLayer().containsFixedContent()) {
// Uu.p("is fixed");
enclosingScrollPane.getViewport().setScrollMode(JViewport.SIMPLE_SCROLL_MODE);
} else {
// Uu.p("is not fixed");
enclosingScrollPane.getViewport().setScrollMode(default_scroll_mode);