NN2022100801/addons/admin/node_modules/@antv/f2/lib/interaction/new/base.js

"use strict";

exports.__esModule = true;
exports["default"] = void 0;

var _common = require("../../util/common");

var _context = _interopRequireDefault(require("./context"));

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

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; }

var Base = /*#__PURE__*/function () {
  var _proto = Base.prototype;

  // 交互的上下文
  _proto.getDefaultCfg = function getDefaultCfg() {
    return {};
  };

  _proto.getInteractionContext = function getInteractionContext(chart) {
    var interactionContext = chart.get('interactionContext');

    if (interactionContext) {
      return interactionContext;
    }

    interactionContext = new _context["default"](chart);
    chart.set('interactionContext', interactionContext);
    return interactionContext;
  };

  function Base(cfg, chart) {
    var _this = this;

    _defineProperty(this, "type", '');

    _defineProperty(this, "startEvent", 'touchstart');

    _defineProperty(this, "processEvent", 'touchmove');

    _defineProperty(this, "endEvent", 'touchend');

    _defineProperty(this, "resetEvent", null);

    _defineProperty(this, "context", null);

    _defineProperty(this, "_start", function (ev) {
      _this.preStart && _this.preStart(ev);

      _this.start(ev);

      _this.onStart && _this.onStart(ev);
    });

    _defineProperty(this, "_process", function (ev) {
      _this.preProcess && _this.preProcess(ev);

      _this.process(ev);

      _this.onProcess && _this.onProcess(ev);
    });

    _defineProperty(this, "_end", function (ev) {
      _this.preEnd && _this.preEnd(ev);

      _this.end(ev);

      _this.onEnd && _this.onEnd(ev);
    });

    _defineProperty(this, "_reset", function (ev) {
      _this.preReset && _this.preReset(ev);

      _this.reset(ev);

      _this.onReset && _this.onReset(ev);
    });

    (0, _common.mix)(this, this.getDefaultCfg(), cfg);
    this.context = this.getInteractionContext(chart);
    this.chart = chart; // 只处理range, 暂时先这么处理后面再看情况调整

    var range = this.range;

    if (range) {
      this.context.range = range;
    }

    this._bindEvents(chart);
  }

  _proto._bindEvents = function _bindEvents(chart) {
    var startEvent = this.startEvent,
        processEvent = this.processEvent,
        endEvent = this.endEvent,
        resetEvent = this.resetEvent;
    var canvas = chart.get('canvas'); // 统一绑定事件

    canvas.on(startEvent, this._start);
    canvas.on(processEvent, this._process);
    canvas.on(endEvent, this._end);
    canvas.on(resetEvent, this._reset);
  };

  _proto._clearEvents = function _clearEvents() {
    var chart = this.chart,
        startEvent = this.startEvent,
        processEvent = this.processEvent,
        endEvent = this.endEvent,
        resetEvent = this.resetEvent;
    var canvas = chart.get('canvas'); // 统一绑定事件

    canvas.off(startEvent, this._start);
    canvas.off(processEvent, this._process);
    canvas.off(endEvent, this._end);
    canvas.off(resetEvent, this._start);
  };

  // override
  _proto.start = function start() {} // override
  ;

  _proto.process = function process() {} // override
  ;

  _proto.end = function end() {} // override
  ;

  _proto.reset = function reset() {};

  _proto.destroy = function destroy() {
    this.context.destroy();

    this._clearEvents();
  };

  return Base;
}();

var _default = Base;
exports["default"] = _default;