Function legendLayout

docs/tests/v2/es6/js/sanddance.js:104308–104346

(view, legend)

}

function legendLayout(view, legend) {
  var item = legend.items[0],
      datum = item.datum,
      orient = item.orient,
      bounds = item.bounds,
      x = item.x,
      y = item.y,
      w,
      h; // cache current bounds for later comparison

  item._bounds ? item._bounds.clear().union(bounds) : item._bounds = bounds.clone();
  bounds.clear(); // adjust legend to accommodate padding and title

  legendGroupLayout(view, item, item.items[0].items[0]); // aggregate bounds to determine size, and include origin

  bounds = legendBounds(item, bounds);
  w = 2 * item.padding;
  h = 2 * item.padding;

  if (!bounds.empty()) {
    w = Math.ceil(bounds.width() + w);
    h = Math.ceil(bounds.height() + h);
  }

  if (datum.type === _constants.Symbols) {
    legendEntryLayout(item.items[0].items[0].items[0].items);
  }

  if (orient !== _constants.None) {
    item.x = x = 0;
    item.y = y = 0;
  }

  item.width = w;
  item.height = h;
  (0, _vegaScenegraph.boundStroke)(bounds.set(x, y, x + w, y + h), item);
  item.mark.bounds.clear().union(bounds);
  return item;
}

function legendBounds(item, b) {
  // aggregate item bounds