Function toMoveInsideSlice

src/traces/treemap/plot_one.js:259–330

(pt, opts)

    };

    var toMoveInsideSlice = function(pt, opts) {
        var x0 = pt.x0;
        var x1 = pt.x1;
        var y0 = pt.y0;
        var y1 = pt.y1;
        var textBB = pt.textBB;

        var _hasTop = hasTop || (opts.isHeader && !hasBottom);

        var anchor =
            _hasTop ? 'start' :
            hasBottom ? 'end' : 'middle';

        var _hasRight = hasFlag('right');
        var _hasLeft = hasFlag('left') || opts.onPathbar;

        var leftToRight =
            _hasLeft ? -1 :
            _hasRight ? 1 : 0;

        if(opts.isHeader) {
            x0 += (isIcicle ? pad : pad.l) - TEXTPAD;
            x1 -= (isIcicle ? pad : pad.r) - TEXTPAD;
            if(x0 >= x1) {
                var mid = (x0 + x1) / 2;
                x0 = mid;
                x1 = mid;
            }

            // limit the drawing area for headers
            var limY;
            if(hasBottom) {
                limY = y1 - (isIcicle ? pad : pad.b);
                if(y0 < limY && limY < y1) y0 = limY;
            } else {
                limY = y0 + (isIcicle ? pad : pad.t);
                if(y0 < limY && limY < y1) y1 = limY;
            }
        }

        // position the text relative to the slice
        var transform = toMoveInsideBar(x0, x1, y0, y1, textBB, {
            isHorizontal: false,
            constrained: true,
            angle: 0,
            anchor: anchor,
            leftToRight: leftToRight
        });
        transform.fontSize = opts.fontSize;

        transform.targetX = viewMapX(transform.targetX);
        transform.targetY = viewMapY(transform.targetY);

        if(isNaN(transform.targetX) || isNaN(transform.targetY)) {
            return {};
        }

        if(x0 !== x1 && y0 !== y1) {