Function adjustSingleSide

libs/echarts/echarts.simple.js:43888–43995

(list, cx, cy, r, dir, viewWidth, viewHeight, viewLeft, viewTop, farthestX)

var RADIAN$1 = Math.PI / 180;

function adjustSingleSide(list, cx, cy, r, dir, viewWidth, viewHeight, viewLeft, viewTop, farthestX) {
    list.sort(function (a, b) {
        return a.y - b.y;
    });

    function shiftDown(start, end, delta, dir) {
        for (var j = start; j < end; j++) {
            if (list[j].y + delta > viewTop + viewHeight) {
                break;
            }

            list[j].y += delta;
            if (j > start
                && j + 1 < end
                && list[j + 1].y > list[j].y + list[j].height
            ) {
                shiftUp(j, delta / 2);
                return;
            }
        }

        shiftUp(end - 1, delta / 2);
    }

    function shiftUp(end, delta) {
        for (var j = end; j >= 0; j--) {
            if (list[j].y - delta < viewTop) {
                break;
            }

            list[j].y -= delta;
            if (j > 0
                && list[j].y > list[j - 1].y + list[j - 1].height
            ) {
                break;
            }
        }
    }

    function changeX(list, isDownList, cx, cy, r, dir) {
        var lastDeltaX = dir > 0
            ? isDownList                // right-side
                ? Number.MAX_VALUE      // down
                : 0                     // up
            : isDownList                // left-side
                ? Number.MAX_VALUE      // down
                : 0;                    // up

        for (var i = 0, l = list.length; i < l; i++) {
            if (list[i].labelAlignTo !== 'none') {
                continue;
            }

            var deltaY = Math.abs(list[i].y - cy);
            var length = list[i].len;
            var length2 = list[i].len2;
            var deltaX = (deltaY < r + length)
                ? Math.sqrt(