"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var React = _interopRequireWildcard(require("react"));

var _baseComponent = _interopRequireDefault(require("../base-component"));

var _rect = _interopRequireDefault(require("../../elements/rect"));

var _text = _interopRequireDefault(require("../../elements/text"));

var _textModel = _interopRequireDefault(require("./text-model"));

var _color = require("../../utils/color");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function getAlignedPosition(props, textWidth) {
  var textAlign = props.textAlign;
  var containerWidth = props.width || 0;
  var x = 0;
  var y = 0;

  if (textAlign === 'center') {
    x = (containerWidth - textWidth) / 2;
  } else if (textAlign === 'right') {
    x = containerWidth - textWidth;
  }

  return {
    y: y,
    x: Math.max(0, x)
  };
} // TODO:
// 梳理 lineHeight 与 textAlign


var TextComponent =
/*#__PURE__*/
function (_React$PureComponent) {
  _inherits(TextComponent, _React$PureComponent);

  function TextComponent() {
    var _getPrototypeOf2;

    var _this;

    _classCallCheck(this, TextComponent);

    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    _this = _possibleConstructorReturn(this, (_getPrototypeOf2 = _getPrototypeOf(TextComponent)).call.apply(_getPrototypeOf2, [this].concat(args)));

    _defineProperty(_assertThisInitialized(_assertThisInitialized(_this)), "textRef", void 0);

    _defineProperty(_assertThisInitialized(_assertThisInitialized(_this)), "state", {
      x: 0,
      y: 0,
      textWidth: 0
    });

    return _this;
  }

  _createClass(TextComponent, [{
    key: "updateTextWidth",
    value: function updateTextWidth() {
      if (this.refs.textRef) {
        this.state.textWidth = this.refs.textRef.getWidth();
      }
    }
  }, {
    key: "updateTextPosition",
    value: function updateTextPosition() {
      var textWidth = this.state.textWidth;
      var position = getAlignedPosition(this.props, textWidth);
      this.updateTextWidth();
      this.setState(position);
    }
  }, {
    key: "componentDidUpdate",
    value: function componentDidUpdate() {
      this.updateTextWidth();
      this.updateTextPosition();
    } // first time

  }, {
    key: "componentDidMount",
    value: function componentDidMount() {
      this.updateTextPosition();
    }
  }, {
    key: "render",
    value: function render() {
      var props = new _textModel.default(this.props);
      var lineWidthOffsetY = (props.style.lineHeight - props.style.fontSize) / 2 * props.scale.y;
      var textProps = {
        text: props.text,
        style: props.style,
        x: this.state.x,
        y: this.state.y + lineWidthOffsetY
      };
      var backgroundProps = {
        width: props.width,
        height: props.height,
        fill: props.backgroundColor,
        x: 0,
        y: 0,
        fillAlpha: (0, _color.getColorAlpha)(props.backgroundColor)
      };
      return React.createElement(_baseComponent.default, this.props, function () {
        if (backgroundProps.fillAlpha) {
          return React.createElement(_rect.default, _extends({
            key: "background"
          }, backgroundProps));
        }

        return null;
      }(), React.createElement(_text.default, _extends({
        ref: "textRef",
        key: "text"
      }, textProps, {
        scale: props.scale
      })));
    }
  }], [{
    key: "getDerivedStateFromProps",
    value: function getDerivedStateFromProps(nextProps, prevState) {
      var textWidth = prevState.textWidth;
      var position = getAlignedPosition(nextProps, textWidth);
      return position;
    }
  }]);

  return TextComponent;
}(React.PureComponent);

var _default = TextComponent;
exports.default = _default;