@jiaminghi/charts/lib/core/title.js

Lightweight charting

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.title = title;

var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));

var _updater = require("../class/updater.class");

var _util = require("@jiaminghi/c-render/lib/plugin/util");

var _config = require("../config");

var _util2 = require("../util");

function title(chart) {
  var option = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var title = [];

  if (option.title) {
    title[0] = (0, _util2.deepMerge)((0, _util.deepClone)(_config.titleConfig, true), option.title);
  }

  (0, _updater.doUpdate)({
    chart: chart,
    series: title,
    key: 'title',
    getGraphConfig: getTitleConfig
  });
}

function getTitleConfig(titleItem, updater) {
  var animationCurve = _config.titleConfig.animationCurve,
      animationFrame = _config.titleConfig.animationFrame,
      rLevel = _config.titleConfig.rLevel;
  var shape = getTitleShape(titleItem, updater);
  var style = getTitleStyle(titleItem);
  return [{
    name: 'text',
    index: rLevel,
    visible: titleItem.show,
    animationCurve: animationCurve,
    animationFrame: animationFrame,
    shape: shape,
    style: style
  }];
}

function getTitleShape(titleItem, updater) {
  var offset = titleItem.offset,
      text = titleItem.text;
  var _updater$chart$gridAr = updater.chart.gridArea,
      x = _updater$chart$gridAr.x,
      y = _updater$chart$gridAr.y,
      w = _updater$chart$gridAr.w;

  var _offset = (0, _slicedToArray2["default"])(offset, 2),
      ox = _offset[0],
      oy = _offset[1];

  return {
    content: text,
    position: [x + w / 2 + ox, y + oy]
  };
}

function getTitleStyle(titleItem) {
  var style = titleItem.style;
  return style;
}