Function subplotUpdateFx

src/traces/sankey/base_plot.js:44–130

(gd, index)

};

function subplotUpdateFx(gd, index) {
    var trace = gd._fullData[index];
    var fullLayout = gd._fullLayout;

    var dragMode = fullLayout.dragmode;
    var cursor = fullLayout.dragmode === 'pan' ? 'move' : 'crosshair';
    var bgRect = trace._bgRect;
    if(!bgRect) return;

    if(dragMode === 'pan' || dragMode === 'zoom') return;

    setCursor(bgRect, cursor);

    var xaxis = {
        _id: 'x',
        c2p: Lib.identity,
        _offset: trace._sankey.translateX,
        _length: trace._sankey.width
    };
    var yaxis = {
        _id: 'y',
        c2p: Lib.identity,
        _offset: trace._sankey.translateY,
        _length: trace._sankey.height
    };

    // Note: dragOptions is needed to be declared for all dragmodes because
    // it's the object that holds persistent selection state.
    var dragOptions = {
        gd: gd,
        element: bgRect.node(),
        plotinfo: {
            id: index,
            xaxis: xaxis,
            yaxis: yaxis,
            fillRangeItems: Lib.noop
        },
        subplot: index,
        // create mock x/y axes for hover routine
        xaxes: [xaxis],
        yaxes: [yaxis],
        doneFnCompleted: function(selection) {
            var traceNow = gd._fullData[index];
            var newGroups;
            var oldGroups = traceNow.node.groups.slice();
            var newGroup = [];

            function findNode(pt) {
                var nodes = traceNow._sankey.graph.nodes;
                for(var i = 0; i < nodes.length; i++) {
                    if(nodes[i].pointNumber === pt) return nodes[i];
                }
            }

            for(var j = 0; j < selection.length; j++) {
                var node = findNode(selection[j].pointNumber);
                if(!node) continue;