forgeplus-react/node_modules/react-resizable/build/Resizable.js

271 lines
11 KiB
JavaScript

"use strict";
exports.__esModule = true;
exports.default = void 0;
var _react = _interopRequireDefault(require("react"));
var _reactDraggable = require("react-draggable");
var _utils = require("./utils");
var _propTypes = require("./propTypes");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: 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 ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }
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 Resizable = /*#__PURE__*/function (_React$Component) {
_inheritsLoose(Resizable, _React$Component);
function Resizable() {
var _this;
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
_this = _React$Component.call.apply(_React$Component, [this].concat(args)) || this;
_defineProperty(_assertThisInitialized(_this), "state", undefined);
_defineProperty(_assertThisInitialized(_this), "lastHandleRect", null);
_defineProperty(_assertThisInitialized(_this), "slack", null);
return _this;
}
var _proto = Resizable.prototype;
_proto.componentWillUnmount = function componentWillUnmount() {
this.resetData();
};
_proto.lockAspectRatio = function lockAspectRatio(width, height, aspectRatio) {
height = width / aspectRatio;
width = height * aspectRatio;
return [width, height];
};
_proto.resetData = function resetData() {
this.lastHandleRect = this.slack = null;
} // Clamp width and height within provided constraints
;
_proto.runConstraints = function runConstraints(width, height) {
var _ref = [this.props.minConstraints, this.props.maxConstraints],
min = _ref[0],
max = _ref[1];
if (!min && !max) return [width, height]; // If constraining to min and max, we need to also fit width and height to aspect ratio.
if (this.props.lockAspectRatio) {
var resizingHorizontally = height === this.props.height;
if (resizingHorizontally) {
var ratio = this.props.width / this.props.height;
height = width / ratio;
width = height * ratio;
} else {
// Take into account vertical resize with N/S handles on locked aspect
// ratio. Calculate the change height-first, instead of width-first
var _ratio = this.props.height / this.props.width;
width = height / _ratio;
height = width * _ratio;
}
}
var oldW = width,
oldH = height; // Add slack to the values used to calculate bound position. This will ensure that if
// we start removing slack, the element won't react to it right away until it's been
// completely removed.
var _ref2 = this.slack || [0, 0],
slackW = _ref2[0],
slackH = _ref2[1];
width += slackW;
height += slackH;
if (min) {
width = Math.max(min[0], width);
height = Math.max(min[1], height);
}
if (max) {
width = Math.min(max[0], width);
height = Math.min(max[1], height);
} // If the width or height changed, we must have introduced some slack. Record it for the next iteration.
this.slack = [slackW + (oldW - width), slackH + (oldH - height)];
return [width, height];
}
/**
* Wrapper around drag events to provide more useful data.
*
* @param {String} handlerName Handler name to wrap.
* @return {Function} Handler function.
*/
;
_proto.resizeHandler = function resizeHandler(handlerName, axis) {
var _this2 = this;
return function (e, _ref3) {
var node = _ref3.node,
deltaX = _ref3.deltaX,
deltaY = _ref3.deltaY;
// Reset data in case it was left over somehow (should not be possible)
if (handlerName === 'onResizeStart') _this2.resetData(); // Axis restrictions
var canDragX = (_this2.props.axis === 'both' || _this2.props.axis === 'x') && axis !== 'n' && axis !== 's';
var canDragY = (_this2.props.axis === 'both' || _this2.props.axis === 'y') && axis !== 'e' && axis !== 'w'; // No dragging possible.
if (!canDragX && !canDragY) return; // Decompose axis for later use
var axisV = axis[0];
var axisH = axis[axis.length - 1]; // intentionally not axis[1], so that this catches axis === 'w' for example
// Track the element being dragged to account for changes in position.
// If a handle's position is changed between callbacks, we need to factor this in to the next callback.
// Failure to do so will cause the element to "skip" when resized upwards or leftwards.
var handleRect = node.getBoundingClientRect();
if (_this2.lastHandleRect != null) {
// If the handle has repositioned on either axis since last render,
// we need to increase our callback values by this much.
// Only checking 'n', 'w' since resizing by 's', 'w' won't affect the overall position on page,
if (axisH === 'w') {
var deltaLeftSinceLast = handleRect.left - _this2.lastHandleRect.left;
deltaX += deltaLeftSinceLast;
}
if (axisV === 'n') {
var deltaTopSinceLast = handleRect.top - _this2.lastHandleRect.top;
deltaY += deltaTopSinceLast;
}
} // Storage of last rect so we know how much it has really moved.
_this2.lastHandleRect = handleRect; // Reverse delta if using top or left drag handles.
if (axisH === 'w') deltaX = -deltaX;
if (axisV === 'n') deltaY = -deltaY; // Update w/h by the deltas. Also factor in transformScale.
var width = _this2.props.width + (canDragX ? deltaX / _this2.props.transformScale : 0);
var height = _this2.props.height + (canDragY ? deltaY / _this2.props.transformScale : 0); // Run user-provided constraints.
var _this2$runConstraints = _this2.runConstraints(width, height);
width = _this2$runConstraints[0];
height = _this2$runConstraints[1];
var dimensionsChanged = width !== _this2.props.width || height !== _this2.props.height; // Call user-supplied callback if present.
var cb = typeof _this2.props[handlerName] === 'function' ? _this2.props[handlerName] : null; // Don't call 'onResize' if dimensions haven't changed.
var shouldSkipCb = handlerName === 'onResize' && !dimensionsChanged;
if (cb && !shouldSkipCb) {
if (typeof e.persist === 'function') e.persist();
cb(e, {
node: node,
size: {
width: width,
height: height
},
handle: axis
});
} // Reset internal data
if (handlerName === 'onResizeStop') _this2.resetData();
};
};
_proto.renderResizeHandle = function renderResizeHandle(resizeHandleAxis) {
var handle = this.props.handle;
if (handle) {
if (typeof handle === 'function') {
return handle(resizeHandleAxis);
}
return handle;
}
return /*#__PURE__*/_react.default.createElement("span", {
className: "react-resizable-handle react-resizable-handle-" + resizeHandleAxis
});
};
_proto.render = function render() {
var _this3 = this;
// Pass along only props not meant for the `<Resizable>`.`
// eslint-disable-next-line no-unused-vars
var _this$props = this.props,
children = _this$props.children,
className = _this$props.className,
draggableOpts = _this$props.draggableOpts,
width = _this$props.width,
height = _this$props.height,
handle = _this$props.handle,
handleSize = _this$props.handleSize,
lockAspectRatio = _this$props.lockAspectRatio,
axis = _this$props.axis,
minConstraints = _this$props.minConstraints,
maxConstraints = _this$props.maxConstraints,
onResize = _this$props.onResize,
onResizeStop = _this$props.onResizeStop,
onResizeStart = _this$props.onResizeStart,
resizeHandles = _this$props.resizeHandles,
transformScale = _this$props.transformScale,
p = _objectWithoutPropertiesLoose(_this$props, ["children", "className", "draggableOpts", "width", "height", "handle", "handleSize", "lockAspectRatio", "axis", "minConstraints", "maxConstraints", "onResize", "onResizeStop", "onResizeStart", "resizeHandles", "transformScale"]); // What we're doing here is getting the child of this element, and cloning it with this element's props.
// We are then defining its children as:
// Its original children (resizable's child's children), and
// One or more draggable handles.
return (0, _utils.cloneElement)(children, _objectSpread(_objectSpread({}, p), {}, {
className: (className ? className + " " : '') + "react-resizable",
children: [].concat(children.props.children, resizeHandles.map(function (handleAxis) {
return /*#__PURE__*/_react.default.createElement(_reactDraggable.DraggableCore, _extends({}, draggableOpts, {
key: "resizableHandle-" + handleAxis,
onStop: _this3.resizeHandler('onResizeStop', handleAxis),
onStart: _this3.resizeHandler('onResizeStart', handleAxis),
onDrag: _this3.resizeHandler('onResize', handleAxis)
}), _this3.renderResizeHandle(handleAxis));
}))
}));
};
return Resizable;
}(_react.default.Component);
exports.default = Resizable;
_defineProperty(Resizable, "propTypes", _propTypes.resizableProps);
_defineProperty(Resizable, "defaultProps", {
handleSize: [20, 20],
lockAspectRatio: false,
axis: 'both',
minConstraints: [20, 20],
maxConstraints: [Infinity, Infinity],
resizeHandles: ['se'],
transformScale: 1
});