c3_chart_internal_fn.initWithData = function()

in TestApplications/Web/js/lib/components/c3-0.4.2/c3.js [146:309]
101 lines of code
26 McCabe index (conditional complexity)

    c3_chart_internal_fn.initWithData = function (data) {
        var $$ = this, d3 = $$.d3, config = $$.config;
        var defs, main, binding = true;

        if ($$.initPie) { $$.initPie(); }
        if ($$.initBrush) { $$.initBrush(); }
        if ($$.initZoom) { $$.initZoom(); }

        $$.selectChart = typeof config.bindto.node === 'function' ? config.bindto : d3.select(config.bindto);
        if ($$.selectChart.empty()) {
            $$.selectChart = d3.select(document.createElement('div')).style('opacity', 0);
            $$.observeInserted($$.selectChart);
            binding = false;
        }
        $$.selectChart.html("").classed("c3", true);

        // Init data as targets
        $$.data.xs = {};
        $$.data.targets = $$.convertDataToTargets(data);

        if (config.data_filter) {
            $$.data.targets = $$.data.targets.filter(config.data_filter);
        }

        // Set targets to hide if needed
        if (config.data_hide) {
            $$.addHiddenTargetIds(config.data_hide === true ? $$.mapToIds($$.data.targets) : config.data_hide);
        }

        // when gauge, hide legend // TODO: fix
        if ($$.hasType('gauge')) {
            config.legend_show = false;
        }

        // Init sizes and scales
        $$.updateSizes();
        $$.updateScales();

        // Set domains for each scale
        $$.x.domain(d3.extent($$.getXDomain($$.data.targets)));
        $$.y.domain($$.getYDomain($$.data.targets, 'y'));
        $$.y2.domain($$.getYDomain($$.data.targets, 'y2'));
        $$.subX.domain($$.x.domain());
        $$.subY.domain($$.y.domain());
        $$.subY2.domain($$.y2.domain());

        // Save original x domain for zoom update
        $$.orgXDomain = $$.x.domain();

        // Set initialized scales to brush and zoom
        if ($$.brush) { $$.brush.scale($$.subX); }
        if (config.zoom_enabled) { $$.zoom.scale($$.x); }

        /*-- Basic Elements --*/

        // Define svgs
        $$.svg = $$.selectChart.append("svg")
            .style("overflow", "hidden")
            .on('mouseenter', function () { return config.onmouseover.call($$); })
            .on('mouseleave', function () { return config.onmouseout.call($$); });

        // Define defs
        defs = $$.svg.append("defs");
        $$.clipChart = $$.appendClip(defs, $$.clipId);
        $$.clipXAxis = $$.appendClip(defs, $$.clipIdForXAxis);
        $$.clipYAxis = $$.appendClip(defs, $$.clipIdForYAxis);
        $$.clipGrid = $$.appendClip(defs, $$.clipIdForGrid);
        $$.clipSubchart = $$.appendClip(defs, $$.clipIdForSubchart);
        $$.updateSvgSize();

        // Define regions
        main = $$.main = $$.svg.append("g").attr("transform", $$.getTranslate('main'));

        if ($$.initSubchart) { $$.initSubchart(); }
        if ($$.initTooltip) { $$.initTooltip(); }
        if ($$.initLegend) { $$.initLegend(); }

        /*-- Main Region --*/

        // text when empty
        main.append("text")
            .attr("class", CLASS.text + ' ' + CLASS.empty)
            .attr("text-anchor", "middle") // horizontal centering of text at x position in all browsers.
            .attr("dominant-baseline", "middle"); // vertical centering of text at y position in all browsers, except IE.

        // Regions
        $$.initRegion();

        // Grids
        $$.initGrid();

        // Define g for chart area
        main.append('g')
            .attr("clip-path", $$.clipPath)
            .attr('class', CLASS.chart);

        // Grid lines
        if (config.grid_lines_front) { $$.initGridLines(); }

        // Cover whole with rects for events
        $$.initEventRect();

        // Define g for bar chart area
        if ($$.initBar) { $$.initBar(); }

        // Define g for line chart area
        if ($$.initLine) { $$.initLine(); }

        // Define g for arc chart area
        if ($$.initArc) { $$.initArc(); }
        if ($$.initGauge) { $$.initGauge(); }

        // Define g for text area
        if ($$.initText) { $$.initText(); }

        // if zoom privileged, insert rect to forefront
        // TODO: is this needed?
        main.insert('rect', config.zoom_privileged ? null : 'g.' + CLASS.regions)
            .attr('class', CLASS.zoomRect)
            .attr('width', $$.width)
            .attr('height', $$.height)
            .style('opacity', 0)
            .on("dblclick.zoom", null);

        // Set default extent if defined
        if (config.axis_x_extent) { $$.brush.extent($$.getDefaultExtent()); }

        // Add Axis
        $$.initAxis();

        // Set targets
        $$.updateTargets($$.data.targets);

        // Draw with targets
        if (binding) {
            $$.updateDimension();
            $$.config.oninit.call($$);
            $$.redraw({
                withTransform: true,
                withUpdateXDomain: true,
                withUpdateOrgXDomain: true,
                withTransitionForAxis: false
            });
        }

        // Bind resize event
        if (window.onresize == null) {
            window.onresize = $$.generateResize();
        }
        if (window.onresize.add) {
            window.onresize.add(function () {
                config.onresize.call($$);
            });
            window.onresize.add(function () {
                $$.api.flush();
            });
            window.onresize.add(function () {
                config.onresized.call($$);
            });
        }

        // export element of the chart
        $$.api.element = $$.selectChart.node();
    };