defaults.js

/**
* Copyright 2012-2017, Plotly, Inc.
* All rights reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/


'use strict';

var Lib = require('../../lib');

var hasColumns = require('../heatmap/has_columns');
var handleXYZDefaults = require('../heatmap/xyz_defaults');
var handleContoursDefaults = require('./contours_defaults');
var handleStyleDefaults = require('./style_defaults');
var attributes = require('./attributes');


module.exports = function supplyDefaults(traceIn, traceOut, defaultColor, layout) {
    function coerce(attr, dflt) {
        return Lib.coerce(traceIn, traceOut, attributes, attr, dflt);
    }

    var len = handleXYZDefaults(traceIn, traceOut, coerce, layout);
    if(!len) {
        traceOut.visible = false;
        return;
    }

    coerce('text');
    coerce('connectgaps', hasColumns(traceOut));

    handleContoursDefaults(traceIn, traceOut, coerce);
    handleStyleDefaults(traceIn, traceOut, coerce, layout);

    coerce('zhoverformat');
    // Needed for formatting of hoverlabel if format is not explicitly specified
    traceOut._separators = layout.separators;
};