Element[proto].animate = function()

in zookeeper-contrib/zookeeper-contrib-loggraph/src/main/resources/webapp/org/apache/zookeeper/graph/resources/raphael.js [2981:3077]

• 97 lines of code
• 26 McCabe index (conditional complexity)

    Element[proto].animate = function (params, ms, easing, callback) {
        if (R.is(easing, "function") || !easing) {
            callback = easing || null;
        }
        var from = {},
            to = {},
            diff = {};
        for (var attr in params) if (params[has](attr)) {
            if (availableAnimAttrs[has](attr)) {
                from[attr] = this.attr(attr);
                (from[attr] == null) && (from[attr] = availableAttrs[attr]);
                to[attr] = params[attr];
                switch (availableAnimAttrs[attr]) {
                    case "along":
                        var len = getTotalLength(params[attr]),
                            point = getPointAtLength(params[attr], len * !!params.back),
                            bb = this.getBBox();
                        diff[attr] = len / ms;
                        diff.tx = bb.x;
                        diff.ty = bb.y;
                        diff.sx = point.x;
                        diff.sy = point.y;
                        to.rot = params.rot;
                        to.back = params.back;
                        to.len = len;
                        params.rot && (diff.r = toFloat(this.rotate()) || 0);
                        break;
                    case "number":
                        diff[attr] = (to[attr] - from[attr]) / ms;
                        break;
                    case "colour":
                        from[attr] = R.getRGB(from[attr]);
                        var toColour = R.getRGB(to[attr]);
                        diff[attr] = {
                            r: (toColour.r - from[attr].r) / ms,
                            g: (toColour.g - from[attr].g) / ms,
                            b: (toColour.b - from[attr].b) / ms
                        };
                        break;
                    case "path":
                        var paths = path2curve(from[attr], to[attr]);
                        from[attr] = paths[0];
                        var toPath = paths[1];
                        diff[attr] = [];
                        for (var i = 0, ii = from[attr][length]; i < ii; i++) {
                            diff[attr][i] = [0];
                            for (var j = 1, jj = from[attr][i][length]; j < jj; j++) {
                                diff[attr][i][j] = (toPath[i][j] - from[attr][i][j]) / ms;
                            }
                        }
                        break;
                    case "csv":
                        var values = (params[attr] + E)[split](separator),
                            from2 = (from[attr] + E)[split](separator);
                        switch (attr) {
                            case "translation":
                                from[attr] = [0, 0];
                                diff[attr] = [values[0] / ms, values[1] / ms];
                            break;
                            case "rotation":
                                from[attr] = (from2[1] == values[1] && from2[2] == values[2]) ? from2 : [0, values[1], values[2]];
                                diff[attr] = [(values[0] - from[attr][0]) / ms, 0, 0];
                            break;
                            case "scale":
                                params[attr] = values;
                                from[attr] = (from[attr] + E)[split](separator);
                                diff[attr] = [(values[0] - from[attr][0]) / ms, (values[1] - from[attr][1]) / ms, 0, 0];
                            break;
                            case "clip-rect":
                                from[attr] = (from[attr] + E)[split](separator);
                                diff[attr] = [];
                                i = 4;
                                while (i--) {
                                    diff[attr][i] = (values[i] - from[attr][i]) / ms;
                                }
                            break;
                        }
                        to[attr] = values;
                }
            }
        }
        this.stop();
        this.in_animation = 1;
        animationElements[this.id] = {
            start: params.start || +new Date,
            ms: ms,
            easing: easing,
            from: from,
            diff: diff,
            to: to,
            el: this,
            callback: callback,
            t: {x: 0, y: 0}
        };
        ++animationElements[length] == 1 && animation();
        return this;
    };