dygraphs
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dygraphs is a fast, flexible open source JavaScript charting library.
89 lines (83 loc) • 8.1 kB
JavaScript
/**
* @license
* Copyright 2011 Dan Vanderkam (danvdk@gmail.com)
* MIT-licenced: https://opensource.org/licenses/MIT
*/
/**
* @fileoverview A wrapper around the Dygraph class which implements the
* interface for a GViz (aka Google Visualization API) visualization.
* It is designed to be a drop-in replacement for Google's AnnotatedTimeline,
* so the documentation at
* http://code.google.com/apis/chart/interactive/docs/gallery/annotatedtimeline.html
* translates over directly.
*
* For a full demo, see:
* - http://dygraphs.com/tests/gviz.html
* - http://dygraphs.com/tests/annotation-gviz.html
*/
/*global Dygraph:false */
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = void 0;
var _dygraph = _interopRequireDefault(require("./dygraph"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
/**
* A wrapper around Dygraph that implements the gviz API.
* @param {!HTMLDivElement} container The DOM object the visualization should
* live in.
* @constructor
*/
var GVizChart = function GVizChart(container) {
this.container = container;
};
/**
* @param {GVizDataTable} data
* @param {Object.<*>} options
*/
GVizChart.prototype.draw = function (data, options) {
// Clear out any existing dygraph.
// TODO(danvk): would it make more sense to simply redraw using the current
// date_graph object?
this.container.innerHTML = '';
if (typeof this.date_graph != 'undefined') {
this.date_graph.destroy();
}
this.date_graph = new _dygraph["default"](this.container, data, options);
};
/**
* Google charts compatible setSelection
* Only row selection is supported, all points in the row will be highlighted
* @param {Array.<{row:number}>} selection_array array of the selected cells
* @public
*/
GVizChart.prototype.setSelection = function (selection_array) {
var row = false;
if (selection_array.length) {
row = selection_array[0].row;
}
this.date_graph.setSelection(row);
};
/**
* Google charts compatible getSelection implementation
* @return {Array.<{row:number,column:number}>} array of the selected cells
* @public
*/
GVizChart.prototype.getSelection = function () {
var selection = [];
var row = this.date_graph.getSelection();
if (row < 0) return selection;
var points = this.date_graph.layout_.points;
for (var setIdx = 0; setIdx < points.length; ++setIdx) {
selection.push({
row: row,
column: setIdx + 1
});
}
return selection;
};
var _default = GVizChart;
exports["default"] = _default;
module.exports = exports.default;
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