swOperation/node_modules/@antv/g-plugin-dragndrop/dist/index.esm.js

import { AbstractRendererPlugin } from '@antv/g-lite';
import { distanceSquareRoot } from '@antv/util';

function _regeneratorRuntime() {
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      method = delegate.iterator[methodName];
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    var record = tryCatch(method, delegate.iterator, context.arg);
    if ("throw" === record.type) return context.method = "throw", context.arg = record.arg, context.delegate = null, ContinueSentinel;
    var info = record.arg;
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    };
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  }
  function resetTryEntry(entry) {
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      tryLoc: "root"
    }], tryLocsList.forEach(pushTryEntry, this), this.reset(!0);
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            return next.value = undefined, next.done = !0, next;
          };
        return next.next = next;
      }
    }
    return {
      next: doneResult
    };
  }
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    return {
      value: undefined,
      done: !0
    };
  }
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    value: GeneratorFunctionPrototype,
    configurable: !0
  }), defineProperty(GeneratorFunctionPrototype, "constructor", {
    value: GeneratorFunction,
    configurable: !0
  }), GeneratorFunction.displayName = define(GeneratorFunctionPrototype, toStringTagSymbol, "GeneratorFunction"), exports.isGeneratorFunction = function (genFun) {
    var ctor = "function" == typeof genFun && genFun.constructor;
    return !!ctor && (ctor === GeneratorFunction || "GeneratorFunction" === (ctor.displayName || ctor.name));
  }, exports.mark = function (genFun) {
    return Object.setPrototypeOf ? Object.setPrototypeOf(genFun, GeneratorFunctionPrototype) : (genFun.__proto__ = GeneratorFunctionPrototype, define(genFun, toStringTagSymbol, "GeneratorFunction")), genFun.prototype = Object.create(Gp), genFun;
  }, exports.awrap = function (arg) {
    return {
      __await: arg
    };
  }, defineIteratorMethods(AsyncIterator.prototype), define(AsyncIterator.prototype, asyncIteratorSymbol, function () {
    return this;
  }), exports.AsyncIterator = AsyncIterator, exports.async = function (innerFn, outerFn, self, tryLocsList, PromiseImpl) {
    void 0 === PromiseImpl && (PromiseImpl = Promise);
    var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList), PromiseImpl);
    return exports.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {
      return result.done ? result.value : iter.next();
    });
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    return this;
  }), define(Gp, "toString", function () {
    return "[object Generator]";
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      keys = [];
    for (var key in object) keys.push(key);
    return keys.reverse(), function next() {
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        var key = keys.pop();
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    };
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    constructor: Context,
    reset: function (skipTempReset) {
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    stop: function () {
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      return this.rval;
    },
    dispatchException: function (exception) {
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      var context = this;
      function handle(loc, caught) {
        return record.type = "throw", record.arg = exception, context.next = loc, caught && (context.method = "next", context.arg = undefined), !!caught;
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            if (this.prev < entry.finallyLoc) return handle(entry.finallyLoc);
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          break;
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    },
    complete: function (record, afterLoc) {
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    },
    finish: function (finallyLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.finallyLoc === finallyLoc) return this.complete(entry.completion, entry.afterLoc), resetTryEntry(entry), ContinueSentinel;
      }
    },
    catch: function (tryLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.tryLoc === tryLoc) {
          var record = entry.completion;
          if ("throw" === record.type) {
            var thrown = record.arg;
            resetTryEntry(entry);
          }
          return thrown;
        }
      }
      throw new Error("illegal catch attempt");
    },
    delegateYield: function (iterable, resultName, nextLoc) {
      return this.delegate = {
        iterator: values(iterable),
        resultName: resultName,
        nextLoc: nextLoc
      }, "next" === this.method && (this.arg = undefined), ContinueSentinel;
    }
  }, exports;
}
function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
  try {
    var info = gen[key](arg);
    var value = info.value;
  } catch (error) {
    reject(error);
    return;
  }
  if (info.done) {
    resolve(value);
  } else {
    Promise.resolve(value).then(_next, _throw);
  }
}
function _asyncToGenerator(fn) {
  return function () {
    var self = this,
      args = arguments;
    return new Promise(function (resolve, reject) {
      var gen = fn.apply(self, args);
      function _next(value) {
        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
      }
      function _throw(err) {
        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
      }
      _next(undefined);
    });
  };
}
function _extends() {
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      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 _inheritsLoose(subClass, superClass) {
  subClass.prototype = Object.create(superClass.prototype);
  subClass.prototype.constructor = subClass;
  _setPrototypeOf(subClass, superClass);
}
function _setPrototypeOf(o, p) {
  _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) {
    o.__proto__ = p;
    return o;
  };
  return _setPrototypeOf(o, p);
}

var DragndropPlugin = /*#__PURE__*/function () {
  function DragndropPlugin(dragndropPluginOptions) {
    this.dragndropPluginOptions = void 0;
    this.dragndropPluginOptions = dragndropPluginOptions;
  }
  var _proto = DragndropPlugin.prototype;
  _proto.apply = function apply(context) {
    var _this = this;
    var renderingService = context.renderingService,
      renderingContext = context.renderingContext;
    var document = renderingContext.root.ownerDocument;
    // TODO: should we add an option like `draggable` to Canvas
    var canvas = document.defaultView;
    var handlePointerdown = function handlePointerdown(event) {
      var target = event.target;
      var isDocument = target === document;
      var draggableEventTarget = isDocument && _this.dragndropPluginOptions.isDocumentDraggable ? document : target.closest && target.closest('[draggable=true]');
      // `draggable` may be set on ancestor nodes:
      // @see https://github.com/antvis/G/issues/1088
      if (draggableEventTarget) {
        // delay triggering dragstart event
        var dragstartTriggered = false;
        var dragstartTimeStamp = event.timeStamp;
        var dragstartClientCoordinates = [event.clientX, event.clientY];
        var currentDroppable = null;
        var lastDragClientCoordinates = [event.clientX, event.clientY];
        // @ts-ignore
        // eslint-disable-next-line no-inner-declarations
        var handlePointermove = /*#__PURE__*/function () {
          var _ref = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee(event) {
            var timeElapsed, distanceMoved, point, elementsBelow, elementBelow, droppableBelow;
            return _regeneratorRuntime().wrap(function _callee$(_context) {
              while (1) switch (_context.prev = _context.next) {
                case 0:
                  if (dragstartTriggered) {
                    _context.next = 8;
                    break;
                  }
                  timeElapsed = event.timeStamp - dragstartTimeStamp;
                  distanceMoved = distanceSquareRoot([event.clientX, event.clientY], dragstartClientCoordinates); // check thresholds
                  if (!(timeElapsed <= _this.dragndropPluginOptions.dragstartTimeThreshold || distanceMoved <= _this.dragndropPluginOptions.dragstartDistanceThreshold)) {
                    _context.next = 5;
                    break;
                  }
                  return _context.abrupt("return");
                case 5:
                  // @see https://developer.mozilla.org/zh-CN/docs/Web/API/Document/dragstart_event
                  event.type = 'dragstart';
                  draggableEventTarget.dispatchEvent(event);
                  dragstartTriggered = true;
                case 8:
                  // @see https://developer.mozilla.org/zh-CN/docs/Web/API/Document/drag_event
                  event.type = 'drag';
                  // @ts-ignore
                  event.dx = event.clientX - lastDragClientCoordinates[0];
                  // @ts-ignore
                  event.dy = event.clientY - lastDragClientCoordinates[1];
                  draggableEventTarget.dispatchEvent(event);
                  lastDragClientCoordinates = [event.clientX, event.clientY];
                  if (isDocument) {
                    _context.next = 21;
                    break;
                  }
                  point = _this.dragndropPluginOptions.overlap === 'pointer' ? [event.canvasX, event.canvasY] : target.getBounds().center;
                  _context.next = 17;
                  return document.elementsFromPoint(point[0], point[1]);
                case 17:
                  elementsBelow = _context.sent;
                  // prevent from picking the dragging element
                  elementBelow = elementsBelow[elementsBelow.indexOf(target) + 1];
                  droppableBelow = (elementBelow === null || elementBelow === void 0 ? void 0 : elementBelow.closest('[droppable=true]')) || (_this.dragndropPluginOptions.isDocumentDroppable ? document : null);
                  if (currentDroppable !== droppableBelow) {
                    if (currentDroppable) {
                      // null when we were not over a droppable before this event
                      // @see https://developer.mozilla.org/zh-CN/docs/Web/API/Document/dragleave_event
                      event.type = 'dragleave';
                      event.target = currentDroppable;
                      currentDroppable.dispatchEvent(event);
                    }
                    if (droppableBelow) {
                      // @see https://developer.mozilla.org/zh-CN/docs/Web/API/Document/dragleave_event
                      event.type = 'dragenter';
                      event.target = droppableBelow;
                      droppableBelow.dispatchEvent(event);
                    }
                    currentDroppable = droppableBelow;
                    if (currentDroppable) {
                      // null if we're not coming over a droppable now
                      // @see https://developer.mozilla.org/zh-CN/docs/Web/API/Document/dragover_event
                      event.type = 'dragover';
                      event.target = currentDroppable;
                      currentDroppable.dispatchEvent(event);
                    }
                  }
                case 21:
                case "end":
                  return _context.stop();
              }
            }, _callee);
          }));
          return function handlePointermove(_x) {
            return _ref.apply(this, arguments);
          };
        }();
        canvas.addEventListener('pointermove', handlePointermove);
        var stopDragging = function stopDragging(originalPointerUpEvent) {
          if (dragstartTriggered) {
            // prevent click event being triggerd
            // @see https://github.com/antvis/G/issues/1091
            originalPointerUpEvent.detail = {
              preventClick: true
            };
            // clone event first
            var _event = originalPointerUpEvent.clone();
            // drop should fire before dragend
            // @see https://javascript.tutorialink.com/is-there-a-defined-ordering-between-dragend-and-drop-events/
            if (currentDroppable) {
              // @see https://developer.mozilla.org/zh-CN/docs/Web/API/Document/drop_event
              _event.type = 'drop';
              _event.target = currentDroppable;
              currentDroppable.dispatchEvent(_event);
            }
            // @see https://developer.mozilla.org/zh-CN/docs/Web/API/Document/dragend_event
            _event.type = 'dragend';
            draggableEventTarget.dispatchEvent(_event);
            dragstartTriggered = false;
          }
          canvas.removeEventListener('pointermove', handlePointermove);
        };
        target.addEventListener('pointerup', stopDragging, {
          once: true
        });
        target.addEventListener('pointerupoutside', stopDragging, {
          once: true
        });
      }
    };
    renderingService.hooks.init.tap(DragndropPlugin.tag, function () {
      canvas.addEventListener('pointerdown', handlePointerdown);
    });
    renderingService.hooks.destroy.tap(DragndropPlugin.tag, function () {
      canvas.removeEventListener('pointerdown', handlePointerdown);
    });
  };
  return DragndropPlugin;
}();
DragndropPlugin.tag = 'Dragndrop';

var Plugin = /*#__PURE__*/function (_AbstractRendererPlug) {
  _inheritsLoose(Plugin, _AbstractRendererPlug);
  function Plugin(options) {
    var _this;
    if (options === void 0) {
      options = {};
    }
    _this = _AbstractRendererPlug.call(this) || this;
    _this.options = void 0;
    _this.name = 'dragndrop';
    _this.options = options;
    return _this;
  }
  var _proto = Plugin.prototype;
  _proto.init = function init() {
    this.addRenderingPlugin(new DragndropPlugin(_extends({
      overlap: 'pointer',
      isDocumentDraggable: false,
      isDocumentDroppable: false,
      dragstartDistanceThreshold: 0,
      dragstartTimeThreshold: 0
    }, this.options)));
  };
  _proto.destroy = function destroy() {
    this.removeAllRenderingPlugins();
  };
  _proto.setOptions = function setOptions(options) {
    Object.assign(this.plugins[0].dragndropPluginOptions, options);
  };
  return Plugin;
}(AbstractRendererPlugin);

export { Plugin };