v-react-pivottable/node_modules/react-draggable/dist/react-draggable.js

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(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('react-dom'), require('react')) :
typeof define === 'function' && define.amd ? define(['react-dom', 'react'], factory) :
(global.ReactDraggable = factory(global.ReactDOM,global.React));
}(this, (function (ReactDOM,React) { 'use strict';
ReactDOM = ReactDOM && ReactDOM.hasOwnProperty('default') ? ReactDOM['default'] : ReactDOM;
React = React && React.hasOwnProperty('default') ? React['default'] : React;
function createCommonjsModule(fn, module) {
return module = { exports: {} }, fn(module, module.exports), module.exports;
}
/**
* Copyright (c) 2013-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
*/
function makeEmptyFunction(arg) {
return function () {
return arg;
};
}
/**
* This function accepts and discards inputs; it has no side effects. This is
* primarily useful idiomatically for overridable function endpoints which
* always need to be callable, since JS lacks a null-call idiom ala Cocoa.
*/
var emptyFunction = function emptyFunction() {};
emptyFunction.thatReturns = makeEmptyFunction;
emptyFunction.thatReturnsFalse = makeEmptyFunction(false);
emptyFunction.thatReturnsTrue = makeEmptyFunction(true);
emptyFunction.thatReturnsNull = makeEmptyFunction(null);
emptyFunction.thatReturnsThis = function () {
return this;
};
emptyFunction.thatReturnsArgument = function (arg) {
return arg;
};
var emptyFunction_1 = emptyFunction;
/**
* Copyright (c) 2013-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*/
/**
* Use invariant() to assert state which your program assumes to be true.
*
* Provide sprintf-style format (only %s is supported) and arguments
* to provide information about what broke and what you were
* expecting.
*
* The invariant message will be stripped in production, but the invariant
* will remain to ensure logic does not differ in production.
*/
var validateFormat = function validateFormat(format) {};
{
validateFormat = function validateFormat(format) {
if (format === undefined) {
throw new Error('invariant requires an error message argument');
}
};
}
function invariant(condition, format, a, b, c, d, e, f) {
validateFormat(format);
if (!condition) {
var error;
if (format === undefined) {
error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.');
} else {
var args = [a, b, c, d, e, f];
var argIndex = 0;
error = new Error(format.replace(/%s/g, function () {
return args[argIndex++];
}));
error.name = 'Invariant Violation';
}
error.framesToPop = 1; // we don't care about invariant's own frame
throw error;
}
}
var invariant_1 = invariant;
/**
* Similar to invariant but only logs a warning if the condition is not met.
* This can be used to log issues in development environments in critical
* paths. Removing the logging code for production environments will keep the
* same logic and follow the same code paths.
*/
var warning = emptyFunction_1;
{
var printWarning = function printWarning(format) {
for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
args[_key - 1] = arguments[_key];
}
var argIndex = 0;
var message = 'Warning: ' + format.replace(/%s/g, function () {
return args[argIndex++];
});
if (typeof console !== 'undefined') {
console.error(message);
}
try {
// --- Welcome to debugging React ---
// This error was thrown as a convenience so that you can use this stack
// to find the callsite that caused this warning to fire.
throw new Error(message);
} catch (x) {}
};
warning = function warning(condition, format) {
if (format === undefined) {
throw new Error('`warning(condition, format, ...args)` requires a warning ' + 'message argument');
}
if (format.indexOf('Failed Composite propType: ') === 0) {
return; // Ignore CompositeComponent proptype check.
}
if (!condition) {
for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
args[_key2 - 2] = arguments[_key2];
}
printWarning.apply(undefined, [format].concat(args));
}
};
}
var warning_1 = warning;
/*
object-assign
(c) Sindre Sorhus
@license MIT
*/
/* eslint-disable no-unused-vars */
var getOwnPropertySymbols = Object.getOwnPropertySymbols;
var hasOwnProperty = Object.prototype.hasOwnProperty;
var propIsEnumerable = Object.prototype.propertyIsEnumerable;
function toObject(val) {
if (val === null || val === undefined) {
throw new TypeError('Object.assign cannot be called with null or undefined');
}
return Object(val);
}
function shouldUseNative() {
try {
if (!Object.assign) {
return false;
}
// Detect buggy property enumeration order in older V8 versions.
// https://bugs.chromium.org/p/v8/issues/detail?id=4118
var test1 = new String('abc'); // eslint-disable-line no-new-wrappers
test1[5] = 'de';
if (Object.getOwnPropertyNames(test1)[0] === '5') {
return false;
}
// https://bugs.chromium.org/p/v8/issues/detail?id=3056
var test2 = {};
for (var i = 0; i < 10; i++) {
test2['_' + String.fromCharCode(i)] = i;
}
var order2 = Object.getOwnPropertyNames(test2).map(function (n) {
return test2[n];
});
if (order2.join('') !== '0123456789') {
return false;
}
// https://bugs.chromium.org/p/v8/issues/detail?id=3056
var test3 = {};
'abcdefghijklmnopqrst'.split('').forEach(function (letter) {
test3[letter] = letter;
});
if (Object.keys(Object.assign({}, test3)).join('') !==
'abcdefghijklmnopqrst') {
return false;
}
return true;
} catch (err) {
// We don't expect any of the above to throw, but better to be safe.
return false;
}
}
var objectAssign = shouldUseNative() ? Object.assign : function (target, source) {
var from;
var to = toObject(target);
var symbols;
for (var s = 1; s < arguments.length; s++) {
from = Object(arguments[s]);
for (var key in from) {
if (hasOwnProperty.call(from, key)) {
to[key] = from[key];
}
}
if (getOwnPropertySymbols) {
symbols = getOwnPropertySymbols(from);
for (var i = 0; i < symbols.length; i++) {
if (propIsEnumerable.call(from, symbols[i])) {
to[symbols[i]] = from[symbols[i]];
}
}
}
}
return to;
};
/**
* Copyright (c) 2013-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
var ReactPropTypesSecret = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED';
var ReactPropTypesSecret_1 = ReactPropTypesSecret;
{
var invariant$1 = invariant_1;
var warning$1 = warning_1;
var ReactPropTypesSecret$1 = ReactPropTypesSecret_1;
var loggedTypeFailures = {};
}
/**
* Assert that the values match with the type specs.
* Error messages are memorized and will only be shown once.
*
* @param {object} typeSpecs Map of name to a ReactPropType
* @param {object} values Runtime values that need to be type-checked
* @param {string} location e.g. "prop", "context", "child context"
* @param {string} componentName Name of the component for error messages.
* @param {?Function} getStack Returns the component stack.
* @private
*/
function checkPropTypes(typeSpecs, values, location, componentName, getStack) {
{
for (var typeSpecName in typeSpecs) {
if (typeSpecs.hasOwnProperty(typeSpecName)) {
var error;
// Prop type validation may throw. In case they do, we don't want to
// fail the render phase where it didn't fail before. So we log it.
// After these have been cleaned up, we'll let them throw.
try {
// This is intentionally an invariant that gets caught. It's the same
// behavior as without this statement except with a better message.
invariant$1(typeof typeSpecs[typeSpecName] === 'function', '%s: %s type `%s` is invalid; it must be a function, usually from ' + 'the `prop-types` package, but received `%s`.', componentName || 'React class', location, typeSpecName, typeof typeSpecs[typeSpecName]);
error = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, ReactPropTypesSecret$1);
} catch (ex) {
error = ex;
}
warning$1(!error || error instanceof Error, '%s: type specification of %s `%s` is invalid; the type checker ' + 'function must return `null` or an `Error` but returned a %s. ' + 'You may have forgotten to pass an argument to the type checker ' + 'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' + 'shape all require an argument).', componentName || 'React class', location, typeSpecName, typeof error);
if (error instanceof Error && !(error.message in loggedTypeFailures)) {
// Only monitor this failure once because there tends to be a lot of the
// same error.
loggedTypeFailures[error.message] = true;
var stack = getStack ? getStack() : '';
warning$1(false, 'Failed %s type: %s%s', location, error.message, stack != null ? stack : '');
}
}
}
}
}
var checkPropTypes_1 = checkPropTypes;
var factoryWithTypeCheckers = function(isValidElement, throwOnDirectAccess) {
/* global Symbol */
var ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
var FAUX_ITERATOR_SYMBOL = '@@iterator'; // Before Symbol spec.
/**
* Returns the iterator method function contained on the iterable object.
*
* Be sure to invoke the function with the iterable as context:
*
* var iteratorFn = getIteratorFn(myIterable);
* if (iteratorFn) {
* var iterator = iteratorFn.call(myIterable);
* ...
* }
*
* @param {?object} maybeIterable
* @return {?function}
*/
function getIteratorFn(maybeIterable) {
var iteratorFn = maybeIterable && (ITERATOR_SYMBOL && maybeIterable[ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL]);
if (typeof iteratorFn === 'function') {
return iteratorFn;
}
}
/**
* Collection of methods that allow declaration and validation of props that are
* supplied to React components. Example usage:
*
* var Props = require('ReactPropTypes');
* var MyArticle = React.createClass({
* propTypes: {
* // An optional string prop named "description".
* description: Props.string,
*
* // A required enum prop named "category".
* category: Props.oneOf(['News','Photos']).isRequired,
*
* // A prop named "dialog" that requires an instance of Dialog.
* dialog: Props.instanceOf(Dialog).isRequired
* },
* render: function() { ... }
* });
*
* A more formal specification of how these methods are used:
*
* type := array|bool|func|object|number|string|oneOf([...])|instanceOf(...)
* decl := ReactPropTypes.{type}(.isRequired)?
*
* Each and every declaration produces a function with the same signature. This
* allows the creation of custom validation functions. For example:
*
* var MyLink = React.createClass({
* propTypes: {
* // An optional string or URI prop named "href".
* href: function(props, propName, componentName) {
* var propValue = props[propName];
* if (propValue != null && typeof propValue !== 'string' &&
* !(propValue instanceof URI)) {
* return new Error(
* 'Expected a string or an URI for ' + propName + ' in ' +
* componentName
* );
* }
* }
* },
* render: function() {...}
* });
*
* @internal
*/
var ANONYMOUS = '<<anonymous>>';
// Important!
// Keep this list in sync with production version in `./factoryWithThrowingShims.js`.
var ReactPropTypes = {
array: createPrimitiveTypeChecker('array'),
bool: createPrimitiveTypeChecker('boolean'),
func: createPrimitiveTypeChecker('function'),
number: createPrimitiveTypeChecker('number'),
object: createPrimitiveTypeChecker('object'),
string: createPrimitiveTypeChecker('string'),
symbol: createPrimitiveTypeChecker('symbol'),
any: createAnyTypeChecker(),
arrayOf: createArrayOfTypeChecker,
element: createElementTypeChecker(),
instanceOf: createInstanceTypeChecker,
node: createNodeChecker(),
objectOf: createObjectOfTypeChecker,
oneOf: createEnumTypeChecker,
oneOfType: createUnionTypeChecker,
shape: createShapeTypeChecker,
exact: createStrictShapeTypeChecker,
};
/**
* inlined Object.is polyfill to avoid requiring consumers ship their own
* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is
*/
/*eslint-disable no-self-compare*/
function is(x, y) {
// SameValue algorithm
if (x === y) {
// Steps 1-5, 7-10
// Steps 6.b-6.e: +0 != -0
return x !== 0 || 1 / x === 1 / y;
} else {
// Step 6.a: NaN == NaN
return x !== x && y !== y;
}
}
/*eslint-enable no-self-compare*/
/**
* We use an Error-like object for backward compatibility as people may call
* PropTypes directly and inspect their output. However, we don't use real
* Errors anymore. We don't inspect their stack anyway, and creating them
* is prohibitively expensive if they are created too often, such as what
* happens in oneOfType() for any type before the one that matched.
*/
function PropTypeError(message) {
this.message = message;
this.stack = '';
}
// Make `instanceof Error` still work for returned errors.
PropTypeError.prototype = Error.prototype;
function createChainableTypeChecker(validate) {
{
var manualPropTypeCallCache = {};
var manualPropTypeWarningCount = 0;
}
function checkType(isRequired, props, propName, componentName, location, propFullName, secret) {
componentName = componentName || ANONYMOUS;
propFullName = propFullName || propName;
if (secret !== ReactPropTypesSecret_1) {
if (throwOnDirectAccess) {
// New behavior only for users of `prop-types` package
invariant_1(
false,
'Calling PropTypes validators directly is not supported by the `prop-types` package. ' +
'Use `PropTypes.checkPropTypes()` to call them. ' +
'Read more at http://fb.me/use-check-prop-types'
);
} else if ("development" !== 'production' && typeof console !== 'undefined') {
// Old behavior for people using React.PropTypes
var cacheKey = componentName + ':' + propName;
if (
!manualPropTypeCallCache[cacheKey] &&
// Avoid spamming the console because they are often not actionable except for lib authors
manualPropTypeWarningCount < 3
) {
warning_1(
false,
'You are manually calling a React.PropTypes validation ' +
'function for the `%s` prop on `%s`. This is deprecated ' +
'and will throw in the standalone `prop-types` package. ' +
'You may be seeing this warning due to a third-party PropTypes ' +
'library. See https://fb.me/react-warning-dont-call-proptypes ' + 'for details.',
propFullName,
componentName
);
manualPropTypeCallCache[cacheKey] = true;
manualPropTypeWarningCount++;
}
}
}
if (props[propName] == null) {
if (isRequired) {
if (props[propName] === null) {
return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required ' + ('in `' + componentName + '`, but its value is `null`.'));
}
return new PropTypeError('The ' + location + ' `' + propFullName + '` is marked as required in ' + ('`' + componentName + '`, but its value is `undefined`.'));
}
return null;
} else {
return validate(props, propName, componentName, location, propFullName);
}
}
var chainedCheckType = checkType.bind(null, false);
chainedCheckType.isRequired = checkType.bind(null, true);
return chainedCheckType;
}
function createPrimitiveTypeChecker(expectedType) {
function validate(props, propName, componentName, location, propFullName, secret) {
var propValue = props[propName];
var propType = getPropType(propValue);
if (propType !== expectedType) {
// `propValue` being instance of, say, date/regexp, pass the 'object'
// check, but we can offer a more precise error message here rather than
// 'of type `object`'.
var preciseType = getPreciseType(propValue);
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + preciseType + '` supplied to `' + componentName + '`, expected ') + ('`' + expectedType + '`.'));
}
return null;
}
return createChainableTypeChecker(validate);
}
function createAnyTypeChecker() {
return createChainableTypeChecker(emptyFunction_1.thatReturnsNull);
}
function createArrayOfTypeChecker(typeChecker) {
function validate(props, propName, componentName, location, propFullName) {
if (typeof typeChecker !== 'function') {
return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside arrayOf.');
}
var propValue = props[propName];
if (!Array.isArray(propValue)) {
var propType = getPropType(propValue);
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an array.'));
}
for (var i = 0; i < propValue.length; i++) {
var error = typeChecker(propValue, i, componentName, location, propFullName + '[' + i + ']', ReactPropTypesSecret_1);
if (error instanceof Error) {
return error;
}
}
return null;
}
return createChainableTypeChecker(validate);
}
function createElementTypeChecker() {
function validate(props, propName, componentName, location, propFullName) {
var propValue = props[propName];
if (!isValidElement(propValue)) {
var propType = getPropType(propValue);
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected a single ReactElement.'));
}
return null;
}
return createChainableTypeChecker(validate);
}
function createInstanceTypeChecker(expectedClass) {
function validate(props, propName, componentName, location, propFullName) {
if (!(props[propName] instanceof expectedClass)) {
var expectedClassName = expectedClass.name || ANONYMOUS;
var actualClassName = getClassName(props[propName]);
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + actualClassName + '` supplied to `' + componentName + '`, expected ') + ('instance of `' + expectedClassName + '`.'));
}
return null;
}
return createChainableTypeChecker(validate);
}
function createEnumTypeChecker(expectedValues) {
if (!Array.isArray(expectedValues)) {
warning_1(false, 'Invalid argument supplied to oneOf, expected an instance of array.');
return emptyFunction_1.thatReturnsNull;
}
function validate(props, propName, componentName, location, propFullName) {
var propValue = props[propName];
for (var i = 0; i < expectedValues.length; i++) {
if (is(propValue, expectedValues[i])) {
return null;
}
}
var valuesString = JSON.stringify(expectedValues);
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of value `' + propValue + '` ' + ('supplied to `' + componentName + '`, expected one of ' + valuesString + '.'));
}
return createChainableTypeChecker(validate);
}
function createObjectOfTypeChecker(typeChecker) {
function validate(props, propName, componentName, location, propFullName) {
if (typeof typeChecker !== 'function') {
return new PropTypeError('Property `' + propFullName + '` of component `' + componentName + '` has invalid PropType notation inside objectOf.');
}
var propValue = props[propName];
var propType = getPropType(propValue);
if (propType !== 'object') {
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type ' + ('`' + propType + '` supplied to `' + componentName + '`, expected an object.'));
}
for (var key in propValue) {
if (propValue.hasOwnProperty(key)) {
var error = typeChecker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret_1);
if (error instanceof Error) {
return error;
}
}
}
return null;
}
return createChainableTypeChecker(validate);
}
function createUnionTypeChecker(arrayOfTypeCheckers) {
if (!Array.isArray(arrayOfTypeCheckers)) {
warning_1(false, 'Invalid argument supplied to oneOfType, expected an instance of array.');
return emptyFunction_1.thatReturnsNull;
}
for (var i = 0; i < arrayOfTypeCheckers.length; i++) {
var checker = arrayOfTypeCheckers[i];
if (typeof checker !== 'function') {
warning_1(
false,
'Invalid argument supplied to oneOfType. Expected an array of check functions, but ' +
'received %s at index %s.',
getPostfixForTypeWarning(checker),
i
);
return emptyFunction_1.thatReturnsNull;
}
}
function validate(props, propName, componentName, location, propFullName) {
for (var i = 0; i < arrayOfTypeCheckers.length; i++) {
var checker = arrayOfTypeCheckers[i];
if (checker(props, propName, componentName, location, propFullName, ReactPropTypesSecret_1) == null) {
return null;
}
}
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`.'));
}
return createChainableTypeChecker(validate);
}
function createNodeChecker() {
function validate(props, propName, componentName, location, propFullName) {
if (!isNode(props[propName])) {
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` supplied to ' + ('`' + componentName + '`, expected a ReactNode.'));
}
return null;
}
return createChainableTypeChecker(validate);
}
function createShapeTypeChecker(shapeTypes) {
function validate(props, propName, componentName, location, propFullName) {
var propValue = props[propName];
var propType = getPropType(propValue);
if (propType !== 'object') {
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.'));
}
for (var key in shapeTypes) {
var checker = shapeTypes[key];
if (!checker) {
continue;
}
var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret_1);
if (error) {
return error;
}
}
return null;
}
return createChainableTypeChecker(validate);
}
function createStrictShapeTypeChecker(shapeTypes) {
function validate(props, propName, componentName, location, propFullName) {
var propValue = props[propName];
var propType = getPropType(propValue);
if (propType !== 'object') {
return new PropTypeError('Invalid ' + location + ' `' + propFullName + '` of type `' + propType + '` ' + ('supplied to `' + componentName + '`, expected `object`.'));
}
// We need to check all keys in case some are required but missing from
// props.
var allKeys = objectAssign({}, props[propName], shapeTypes);
for (var key in allKeys) {
var checker = shapeTypes[key];
if (!checker) {
return new PropTypeError(
'Invalid ' + location + ' `' + propFullName + '` key `' + key + '` supplied to `' + componentName + '`.' +
'\nBad object: ' + JSON.stringify(props[propName], null, ' ') +
'\nValid keys: ' + JSON.stringify(Object.keys(shapeTypes), null, ' ')
);
}
var error = checker(propValue, key, componentName, location, propFullName + '.' + key, ReactPropTypesSecret_1);
if (error) {
return error;
}
}
return null;
}
return createChainableTypeChecker(validate);
}
function isNode(propValue) {
switch (typeof propValue) {
case 'number':
case 'string':
case 'undefined':
return true;
case 'boolean':
return !propValue;
case 'object':
if (Array.isArray(propValue)) {
return propValue.every(isNode);
}
if (propValue === null || isValidElement(propValue)) {
return true;
}
var iteratorFn = getIteratorFn(propValue);
if (iteratorFn) {
var iterator = iteratorFn.call(propValue);
var step;
if (iteratorFn !== propValue.entries) {
while (!(step = iterator.next()).done) {
if (!isNode(step.value)) {
return false;
}
}
} else {
// Iterator will provide entry [k,v] tuples rather than values.
while (!(step = iterator.next()).done) {
var entry = step.value;
if (entry) {
if (!isNode(entry[1])) {
return false;
}
}
}
}
} else {
return false;
}
return true;
default:
return false;
}
}
function isSymbol(propType, propValue) {
// Native Symbol.
if (propType === 'symbol') {
return true;
}
// 19.4.3.5 Symbol.prototype[@@toStringTag] === 'Symbol'
if (propValue['@@toStringTag'] === 'Symbol') {
return true;
}
// Fallback for non-spec compliant Symbols which are polyfilled.
if (typeof Symbol === 'function' && propValue instanceof Symbol) {
return true;
}
return false;
}
// Equivalent of `typeof` but with special handling for array and regexp.
function getPropType(propValue) {
var propType = typeof propValue;
if (Array.isArray(propValue)) {
return 'array';
}
if (propValue instanceof RegExp) {
// Old webkits (at least until Android 4.0) return 'function' rather than
// 'object' for typeof a RegExp. We'll normalize this here so that /bla/
// passes PropTypes.object.
return 'object';
}
if (isSymbol(propType, propValue)) {
return 'symbol';
}
return propType;
}
// This handles more types than `getPropType`. Only used for error messages.
// See `createPrimitiveTypeChecker`.
function getPreciseType(propValue) {
if (typeof propValue === 'undefined' || propValue === null) {
return '' + propValue;
}
var propType = getPropType(propValue);
if (propType === 'object') {
if (propValue instanceof Date) {
return 'date';
} else if (propValue instanceof RegExp) {
return 'regexp';
}
}
return propType;
}
// Returns a string that is postfixed to a warning about an invalid type.
// For example, "undefined" or "of type array"
function getPostfixForTypeWarning(value) {
var type = getPreciseType(value);
switch (type) {
case 'array':
case 'object':
return 'an ' + type;
case 'boolean':
case 'date':
case 'regexp':
return 'a ' + type;
default:
return type;
}
}
// Returns class name of the object, if any.
function getClassName(propValue) {
if (!propValue.constructor || !propValue.constructor.name) {
return ANONYMOUS;
}
return propValue.constructor.name;
}
ReactPropTypes.checkPropTypes = checkPropTypes_1;
ReactPropTypes.PropTypes = ReactPropTypes;
return ReactPropTypes;
};
var propTypes = createCommonjsModule(function (module) {
/**
* Copyright (c) 2013-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
{
var REACT_ELEMENT_TYPE = (typeof Symbol === 'function' &&
Symbol.for &&
Symbol.for('react.element')) ||
0xeac7;
var isValidElement = function(object) {
return typeof object === 'object' &&
object !== null &&
object.$$typeof === REACT_ELEMENT_TYPE;
};
// By explicitly using `prop-types` you are opting into new development behavior.
// http://fb.me/prop-types-in-prod
var throwOnDirectAccess = true;
module.exports = factoryWithTypeCheckers(isValidElement, throwOnDirectAccess);
}
});
var classnames = createCommonjsModule(function (module) {
/*!
Copyright (c) 2016 Jed Watson.
Licensed under the MIT License (MIT), see
http://jedwatson.github.io/classnames
*/
/* global define */
(function () {
var hasOwn = {}.hasOwnProperty;
function classNames () {
var classes = [];
for (var i = 0; i < arguments.length; i++) {
var arg = arguments[i];
if (!arg) continue;
var argType = typeof arg;
if (argType === 'string' || argType === 'number') {
classes.push(arg);
} else if (Array.isArray(arg)) {
classes.push(classNames.apply(null, arg));
} else if (argType === 'object') {
for (var key in arg) {
if (hasOwn.call(arg, key) && arg[key]) {
classes.push(key);
}
}
}
}
return classes.join(' ');
}
if ('object' !== 'undefined' && module.exports) {
module.exports = classNames;
} else if (typeof undefined === 'function' && typeof undefined.amd === 'object' && undefined.amd) {
// register as 'classnames', consistent with npm package name
undefined('classnames', [], function () {
return classNames;
});
} else {
window.classNames = classNames;
}
}());
});
// @credits https://gist.github.com/rogozhnikoff/a43cfed27c41e4e68cdc
function findInArray(array /*: Array<any> | TouchList*/, callback /*: Function*/) /*: any*/ {
for (var i = 0, length = array.length; i < length; i++) {
if (callback.apply(callback, [array[i], i, array])) return array[i];
}
}
function isFunction(func /*: any*/) /*: boolean*/ {
return typeof func === 'function' || Object.prototype.toString.call(func) === '[object Function]';
}
function isNum(num /*: any*/) /*: boolean*/ {
return typeof num === 'number' && !isNaN(num);
}
function int(a /*: string*/) /*: number*/ {
return parseInt(a, 10);
}
function dontSetMe(props /*: Object*/, propName /*: string*/, componentName /*: string*/) {
if (props[propName]) {
return new Error('Invalid prop ' + propName + ' passed to ' + componentName + ' - do not set this, set it on the child.');
}
}
var prefixes = ['Moz', 'Webkit', 'O', 'ms'];
function getPrefix() /*: string*/ {
var prop /*: string*/ = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'transform';
// Checking specifically for 'window.document' is for pseudo-browser server-side
// environments that define 'window' as the global context.
// E.g. React-rails (see https://github.com/reactjs/react-rails/pull/84)
if (typeof window === 'undefined' || typeof window.document === 'undefined') return '';
var style = window.document.documentElement.style;
if (prop in style) return '';
for (var i = 0; i < prefixes.length; i++) {
if (browserPrefixToKey(prop, prefixes[i]) in style) return prefixes[i];
}
return '';
}
function browserPrefixToKey(prop /*: string*/, prefix /*: string*/) /*: string*/ {
return prefix ? '' + prefix + kebabToTitleCase(prop) : prop;
}
function kebabToTitleCase(str /*: string*/) /*: string*/ {
var out = '';
var shouldCapitalize = true;
for (var i = 0; i < str.length; i++) {
if (shouldCapitalize) {
out += str[i].toUpperCase();
shouldCapitalize = false;
} else if (str[i] === '-') {
shouldCapitalize = true;
} else {
out += str[i];
}
}
return out;
}
// Default export is the prefix itself, like 'Moz', 'Webkit', etc
// Note that you may have to re-test for certain things; for instance, Chrome 50
// can handle unprefixed `transform`, but not unprefixed `user-select`
var browserPrefix = getPrefix();
var classCallCheck = function (instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
};
var createClass = 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);
}
}
return function (Constructor, protoProps, staticProps) {
if (protoProps) defineProperties(Constructor.prototype, protoProps);
if (staticProps) defineProperties(Constructor, staticProps);
return Constructor;
};
}();
var defineProperty = function (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 _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;
};
var inherits = function (subClass, superClass) {
if (typeof superClass !== "function" && superClass !== null) {
throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
enumerable: false,
writable: true,
configurable: true
}
});
if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
};
var possibleConstructorReturn = function (self, call) {
if (!self) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return call && (typeof call === "object" || typeof call === "function") ? call : self;
};
var slicedToArray = function () {
function sliceIterator(arr, i) {
var _arr = [];
var _n = true;
var _d = false;
var _e = undefined;
try {
for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
_arr.push(_s.value);
if (i && _arr.length === i) break;
}
} catch (err) {
_d = true;
_e = err;
} finally {
try {
if (!_n && _i["return"]) _i["return"]();
} finally {
if (_d) throw _e;
}
}
return _arr;
}
return function (arr, i) {
if (Array.isArray(arr)) {
return arr;
} else if (Symbol.iterator in Object(arr)) {
return sliceIterator(arr, i);
} else {
throw new TypeError("Invalid attempt to destructure non-iterable instance");
}
};
}();
/*:: import type {ControlPosition, PositionOffsetControlPosition, MouseTouchEvent} from './types';*/
var matchesSelectorFunc = '';
function matchesSelector(el /*: Node*/, selector /*: string*/) /*: boolean*/ {
if (!matchesSelectorFunc) {
matchesSelectorFunc = findInArray(['matches', 'webkitMatchesSelector', 'mozMatchesSelector', 'msMatchesSelector', 'oMatchesSelector'], function (method) {
// $FlowIgnore: Doesn't think elements are indexable
return isFunction(el[method]);
});
}
// Might not be found entirely (not an Element?) - in that case, bail
// $FlowIgnore: Doesn't think elements are indexable
if (!isFunction(el[matchesSelectorFunc])) return false;
// $FlowIgnore: Doesn't think elements are indexable
return el[matchesSelectorFunc](selector);
}
// Works up the tree to the draggable itself attempting to match selector.
function matchesSelectorAndParentsTo(el /*: Node*/, selector /*: string*/, baseNode /*: Node*/) /*: boolean*/ {
var node = el;
do {
if (matchesSelector(node, selector)) return true;
if (node === baseNode) return false;
node = node.parentNode;
} while (node);
return false;
}
function addEvent(el /*: ?Node*/, event /*: string*/, handler /*: Function*/) /*: void*/ {
if (!el) {
return;
}
if (el.attachEvent) {
el.attachEvent('on' + event, handler);
} else if (el.addEventListener) {
el.addEventListener(event, handler, true);
} else {
// $FlowIgnore: Doesn't think elements are indexable
el['on' + event] = handler;
}
}
function removeEvent(el /*: ?Node*/, event /*: string*/, handler /*: Function*/) /*: void*/ {
if (!el) {
return;
}
if (el.detachEvent) {
el.detachEvent('on' + event, handler);
} else if (el.removeEventListener) {
el.removeEventListener(event, handler, true);
} else {
// $FlowIgnore: Doesn't think elements are indexable
el['on' + event] = null;
}
}
function outerHeight(node /*: HTMLElement*/) /*: number*/ {
// This is deliberately excluding margin for our calculations, since we are using
// offsetTop which is including margin. See getBoundPosition
var height = node.clientHeight;
var computedStyle = node.ownerDocument.defaultView.getComputedStyle(node);
height += int(computedStyle.borderTopWidth);
height += int(computedStyle.borderBottomWidth);
return height;
}
function outerWidth(node /*: HTMLElement*/) /*: number*/ {
// This is deliberately excluding margin for our calculations, since we are using
// offsetLeft which is including margin. See getBoundPosition
var width = node.clientWidth;
var computedStyle = node.ownerDocument.defaultView.getComputedStyle(node);
width += int(computedStyle.borderLeftWidth);
width += int(computedStyle.borderRightWidth);
return width;
}
function innerHeight(node /*: HTMLElement*/) /*: number*/ {
var height = node.clientHeight;
var computedStyle = node.ownerDocument.defaultView.getComputedStyle(node);
height -= int(computedStyle.paddingTop);
height -= int(computedStyle.paddingBottom);
return height;
}
function innerWidth(node /*: HTMLElement*/) /*: number*/ {
var width = node.clientWidth;
var computedStyle = node.ownerDocument.defaultView.getComputedStyle(node);
width -= int(computedStyle.paddingLeft);
width -= int(computedStyle.paddingRight);
return width;
}
// Get from offsetParent
function offsetXYFromParent(evt /*: {clientX: number, clientY: number}*/, offsetParent /*: HTMLElement*/) /*: ControlPosition*/ {
var isBody = offsetParent === offsetParent.ownerDocument.body;
var offsetParentRect = isBody ? { left: 0, top: 0 } : offsetParent.getBoundingClientRect();
var x = evt.clientX + offsetParent.scrollLeft - offsetParentRect.left;
var y = evt.clientY + offsetParent.scrollTop - offsetParentRect.top;
return { x: x, y: y };
}
function createCSSTransform(controlPos /*: ControlPosition*/, positionOffset /*: PositionOffsetControlPosition*/) /*: Object*/ {
var translation = getTranslation(controlPos, positionOffset, 'px');
return defineProperty({}, browserPrefixToKey('transform', browserPrefix), translation);
}
function createSVGTransform(controlPos /*: ControlPosition*/, positionOffset /*: PositionOffsetControlPosition*/) /*: string*/ {
var translation = getTranslation(controlPos, positionOffset, '');
return translation;
}
function getTranslation(_ref2, positionOffset /*: PositionOffsetControlPosition*/, unitSuffix /*: string*/) /*: string*/ {
var x = _ref2.x,
y = _ref2.y;
var translation = 'translate(' + x + unitSuffix + ',' + y + unitSuffix + ')';
if (positionOffset) {
var defaultX = '' + (typeof positionOffset.x === 'string' ? positionOffset.x : positionOffset.x + unitSuffix);
var defaultY = '' + (typeof positionOffset.y === 'string' ? positionOffset.y : positionOffset.y + unitSuffix);
translation = 'translate(' + defaultX + ', ' + defaultY + ')' + translation;
}
return translation;
}
function getTouch(e /*: MouseTouchEvent*/, identifier /*: number*/) /*: ?{clientX: number, clientY: number}*/ {
return e.targetTouches && findInArray(e.targetTouches, function (t) {
return identifier === t.identifier;
}) || e.changedTouches && findInArray(e.changedTouches, function (t) {
return identifier === t.identifier;
});
}
function getTouchIdentifier(e /*: MouseTouchEvent*/) /*: ?number*/ {
if (e.targetTouches && e.targetTouches[0]) return e.targetTouches[0].identifier;
if (e.changedTouches && e.changedTouches[0]) return e.changedTouches[0].identifier;
}
// User-select Hacks:
//
// Useful for preventing blue highlights all over everything when dragging.
// Note we're passing `document` b/c we could be iframed
function addUserSelectStyles(doc /*: ?Document*/) {
if (!doc) return;
var styleEl = doc.getElementById('react-draggable-style-el');
if (!styleEl) {
styleEl = doc.createElement('style');
styleEl.type = 'text/css';
styleEl.id = 'react-draggable-style-el';
styleEl.innerHTML = '.react-draggable-transparent-selection *::-moz-selection {all: inherit;}\n';
styleEl.innerHTML += '.react-draggable-transparent-selection *::selection {all: inherit;}\n';
doc.getElementsByTagName('head')[0].appendChild(styleEl);
}
if (doc.body) addClassName(doc.body, 'react-draggable-transparent-selection');
}
function removeUserSelectStyles(doc /*: ?Document*/) {
try {
if (doc && doc.body) removeClassName(doc.body, 'react-draggable-transparent-selection');
// $FlowIgnore: IE
if (doc.selection) {
// $FlowIgnore: IE
doc.selection.empty();
} else {
window.getSelection().removeAllRanges(); // remove selection caused by scroll
}
} catch (e) {
// probably IE
}
}
function styleHacks() /*: Object*/ {
var childStyle /*: Object*/ = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
// Workaround IE pointer events; see #51
// https://github.com/mzabriskie/react-draggable/issues/51#issuecomment-103488278
return _extends({
touchAction: 'none'
}, childStyle);
}
function addClassName(el /*: HTMLElement*/, className /*: string*/) {
if (el.classList) {
el.classList.add(className);
} else {
if (!el.className.match(new RegExp('(?:^|\\s)' + className + '(?!\\S)'))) {
el.className += ' ' + className;
}
}
}
function removeClassName(el /*: HTMLElement*/, className /*: string*/) {
if (el.classList) {
el.classList.remove(className);
} else {
el.className = el.className.replace(new RegExp('(?:^|\\s)' + className + '(?!\\S)', 'g'), '');
}
}
/*:: import type Draggable from '../Draggable';*/
/*:: import type {Bounds, ControlPosition, DraggableData, MouseTouchEvent} from './types';*/
/*:: import type DraggableCore from '../DraggableCore';*/
function getBoundPosition(draggable /*: Draggable*/, x /*: number*/, y /*: number*/) /*: [number, number]*/ {
// If no bounds, short-circuit and move on
if (!draggable.props.bounds) return [x, y];
// Clone new bounds
var bounds = draggable.props.bounds;
bounds = typeof bounds === 'string' ? bounds : cloneBounds(bounds);
var node = findDOMNode(draggable);
if (typeof bounds === 'string') {
var ownerDocument = node.ownerDocument;
var ownerWindow = ownerDocument.defaultView;
var boundNode = void 0;
if (bounds === 'parent') {
boundNode = node.parentNode;
} else {
boundNode = ownerDocument.querySelector(bounds);
}
if (!(boundNode instanceof ownerWindow.HTMLElement)) {
throw new Error('Bounds selector "' + bounds + '" could not find an element.');
}
var nodeStyle = ownerWindow.getComputedStyle(node);
var boundNodeStyle = ownerWindow.getComputedStyle(boundNode);
// Compute bounds. This is a pain with padding and offsets but this gets it exactly right.
bounds = {
left: -node.offsetLeft + int(boundNodeStyle.paddingLeft) + int(nodeStyle.marginLeft),
top: -node.offsetTop + int(boundNodeStyle.paddingTop) + int(nodeStyle.marginTop),
right: innerWidth(boundNode) - outerWidth(node) - node.offsetLeft + int(boundNodeStyle.paddingRight) - int(nodeStyle.marginRight),
bottom: innerHeight(boundNode) - outerHeight(node) - node.offsetTop + int(boundNodeStyle.paddingBottom) - int(nodeStyle.marginBottom)
};
}
// Keep x and y below right and bottom limits...
if (isNum(bounds.right)) x = Math.min(x, bounds.right);
if (isNum(bounds.bottom)) y = Math.min(y, bounds.bottom);
// But above left and top limits.
if (isNum(bounds.left)) x = Math.max(x, bounds.left);
if (isNum(bounds.top)) y = Math.max(y, bounds.top);
return [x, y];
}
function snapToGrid(grid /*: [number, number]*/, pendingX /*: number*/, pendingY /*: number*/) /*: [number, number]*/ {
var x = Math.round(pendingX / grid[0]) * grid[0];
var y = Math.round(pendingY / grid[1]) * grid[1];
return [x, y];
}
function canDragX(draggable /*: Draggable*/) /*: boolean*/ {
return draggable.props.axis === 'both' || draggable.props.axis === 'x';
}
function canDragY(draggable /*: Draggable*/) /*: boolean*/ {
return draggable.props.axis === 'both' || draggable.props.axis === 'y';
}
// Get {x, y} positions from event.
function getControlPosition(e /*: MouseTouchEvent*/, touchIdentifier /*: ?number*/, draggableCore /*: DraggableCore*/) /*: ?ControlPosition*/ {
var touchObj = typeof touchIdentifier === 'number' ? getTouch(e, touchIdentifier) : null;
if (typeof touchIdentifier === 'number' && !touchObj) return null; // not the right touch
var node = findDOMNode(draggableCore);
// User can provide an offsetParent if desired.
var offsetParent = draggableCore.props.offsetParent || node.offsetParent || node.ownerDocument.body;
return offsetXYFromParent(touchObj || e, offsetParent);
}
// Create an data object exposed by <DraggableCore>'s events
function createCoreData(draggable /*: DraggableCore*/, x /*: number*/, y /*: number*/) /*: DraggableData*/ {
var state = draggable.state;
var isStart = !isNum(state.lastX);
var node = findDOMNode(draggable);
if (isStart) {
// If this is our first move, use the x and y as last coords.
return {
node: node,
deltaX: 0, deltaY: 0,
lastX: x, lastY: y,
x: x, y: y
};
} else {
// Otherwise calculate proper values.
return {
node: node,
deltaX: x - state.lastX, deltaY: y - state.lastY,
lastX: state.lastX, lastY: state.lastY,
x: x, y: y
};
}
}
// Create an data exposed by <Draggable>'s events
function createDraggableData(draggable /*: Draggable*/, coreData /*: DraggableData*/) /*: DraggableData*/ {
var scale = draggable.props.scale;
return {
node: coreData.node,
x: draggable.state.x + coreData.deltaX / scale,
y: draggable.state.y + coreData.deltaY / scale,
deltaX: coreData.deltaX / scale,
deltaY: coreData.deltaY / scale,
lastX: draggable.state.x,
lastY: draggable.state.y
};
}
// A lot faster than stringify/parse
function cloneBounds(bounds /*: Bounds*/) /*: Bounds*/ {
return {
left: bounds.left,
top: bounds.top,
right: bounds.right,
bottom: bounds.bottom
};
}
function findDOMNode(draggable /*: Draggable | DraggableCore*/) /*: HTMLElement*/ {
var node = ReactDOM.findDOMNode(draggable);
if (!node) {
throw new Error('<DraggableCore>: Unmounted during event!');
}
// $FlowIgnore we can't assert on HTMLElement due to tests... FIXME
return node;
}
/*eslint no-console:0*/
function log() {
}
/*:: import type {EventHandler, MouseTouchEvent} from './utils/types';*/
// Simple abstraction for dragging events names.
/*:: import type {Element as ReactElement} from 'react';*/
var eventsFor = {
touch: {
start: 'touchstart',
move: 'touchmove',
stop: 'touchend'
},
mouse: {
start: 'mousedown',
move: 'mousemove',
stop: 'mouseup'
}
};
// Default to mouse events.
var dragEventFor = eventsFor.mouse;
/*:: type DraggableCoreState = {
dragging: boolean,
lastX: number,
lastY: number,
touchIdentifier: ?number
};*/
/*:: export type DraggableBounds = {
left: number,
right: number,
top: number,
bottom: number,
};*/
/*:: export type DraggableData = {
node: HTMLElement,
x: number, y: number,
deltaX: number, deltaY: number,
lastX: number, lastY: number,
};*/
/*:: export type DraggableEventHandler = (e: MouseEvent, data: DraggableData) => void;*/
/*:: export type ControlPosition = {x: number, y: number};*/
/*:: export type PositionOffsetControlPosition = {x: number|string, y: number|string};*/
//
// Define <DraggableCore>.
//
// <DraggableCore> is for advanced usage of <Draggable>. It maintains minimal internal state so it can
// work well with libraries that require more control over the element.
//
/*:: export type DraggableCoreProps = {
allowAnyClick: boolean,
cancel: string,
children: ReactElement<any>,
disabled: boolean,
enableUserSelectHack: boolean,
offsetParent: HTMLElement,
grid: [number, number],
handle: string,
onStart: DraggableEventHandler,
onDrag: DraggableEventHandler,
onStop: DraggableEventHandler,
onMouseDown: (e: MouseEvent) => void,
};*/
var DraggableCore = function (_React$Component) {
inherits(DraggableCore, _React$Component);
function DraggableCore() {
var _ref;
var _temp, _this, _ret;
classCallCheck(this, DraggableCore);
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
return _ret = (_temp = (_this = possibleConstructorReturn(this, (_ref = DraggableCore.__proto__ || Object.getPrototypeOf(DraggableCore)).call.apply(_ref, [this].concat(args))), _this), _this.state = {
dragging: false,
// Used while dragging to determine deltas.
lastX: NaN, lastY: NaN,
touchIdentifier: null
}, _this.handleDragStart = function (e) {
// Make it possible to attach event handlers on top of this one.
_this.props.onMouseDown(e);
// Only accept left-clicks.
if (!_this.props.allowAnyClick && typeof e.button === 'number' && e.button !== 0) return false;
// Get nodes. Be sure to grab relative document (could be iframed)
var thisNode = ReactDOM.findDOMNode(_this);
if (!thisNode || !thisNode.ownerDocument || !thisNode.ownerDocument.body) {
throw new Error('<DraggableCore> not mounted on DragStart!');
}
var ownerDocument = thisNode.ownerDocument;
// Short circuit if handle or cancel prop was provided and selector doesn't match.
if (_this.props.disabled || !(e.target instanceof ownerDocument.defaultView.Node) || _this.props.handle && !matchesSelectorAndParentsTo(e.target, _this.props.handle, thisNode) || _this.props.cancel && matchesSelectorAndParentsTo(e.target, _this.props.cancel, thisNode)) {
return;
}
// Set touch identifier in component state if this is a touch event. This allows us to
// distinguish between individual touches on multitouch screens by identifying which
// touchpoint was set to this element.
var touchIdentifier = getTouchIdentifier(e);
_this.setState({ touchIdentifier: touchIdentifier });
// Get the current drag point from the event. This is used as the offset.
var position = getControlPosition(e, touchIdentifier, _this);
if (position == null) return; // not possible but satisfies flow
var x = position.x,
y = position.y;
// Create an event object with all the data parents need to make a decision here.
var coreEvent = createCoreData(_this, x, y);
// Call event handler. If it returns explicit false, cancel.
log('calling', _this.props.onStart);
var shouldUpdate = _this.props.onStart(e, coreEvent);
if (shouldUpdate === false) return;
// Add a style to the body to disable user-select. This prevents text from
// being selected all over the page.
if (_this.props.enableUserSelectHack) addUserSelectStyles(ownerDocument);
// Initiate dragging. Set the current x and y as offsets
// so we know how much we've moved during the drag. This allows us
// to drag elements around even if they have been moved, without issue.
_this.setState({
dragging: true,
lastX: x,
lastY: y
});
// Add events to the document directly so we catch when the user's mouse/touch moves outside of
// this element. We use different events depending on whether or not we have detected that this
// is a touch-capable device.
addEvent(ownerDocument, dragEventFor.move, _this.handleDrag);
addEvent(ownerDocument, dragEventFor.stop, _this.handleDragStop);
}, _this.handleDrag = function (e) {
// Prevent scrolling on mobile devices, like ipad/iphone.
if (e.type === 'touchmove') e.preventDefault();
// Get the current drag point from the event. This is used as the offset.
var position = getControlPosition(e, _this.state.touchIdentifier, _this);
if (position == null) return;
var x = position.x,
y = position.y;
// Snap to grid if prop has been provided
if (Array.isArray(_this.props.grid)) {
var _deltaX = x - _this.state.lastX,
_deltaY = y - _this.state.lastY;
var _snapToGrid = snapToGrid(_this.props.grid, _deltaX, _deltaY);
var _snapToGrid2 = slicedToArray(_snapToGrid, 2);
_deltaX = _snapToGrid2[0];
_deltaY = _snapToGrid2[1];
if (!_deltaX && !_deltaY) return; // skip useless drag
x = _this.state.lastX + _deltaX, y = _this.state.lastY + _deltaY;
}
var coreEvent = createCoreData(_this, x, y);
// Call event handler. If it returns explicit false, trigger end.
var shouldUpdate = _this.props.onDrag(e, coreEvent);
if (shouldUpdate === false) {
try {
// $FlowIgnore
_this.handleDragStop(new MouseEvent('mouseup'));
} catch (err) {
// Old browsers
var event = ((document.createEvent('MouseEvents') /*: any*/) /*: MouseTouchEvent*/);
// I see why this insanity was deprecated
// $FlowIgnore
event.initMouseEvent('mouseup', true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
_this.handleDragStop(event);
}
return;
}
_this.setState({
lastX: x,
lastY: y
});
}, _this.handleDragStop = function (e) {
if (!_this.state.dragging) return;
var position = getControlPosition(e, _this.state.touchIdentifier, _this);
if (position == null) return;
var x = position.x,
y = position.y;
var coreEvent = createCoreData(_this, x, y);
var thisNode = ReactDOM.findDOMNode(_this);
if (thisNode) {
// Remove user-select hack
if (_this.props.enableUserSelectHack) removeUserSelectStyles(thisNode.ownerDocument);
}
// Reset the el.
_this.setState({
dragging: false,
lastX: NaN,
lastY: NaN
});
// Call event handler
_this.props.onStop(e, coreEvent);
if (thisNode) {
removeEvent(thisNode.ownerDocument, dragEventFor.move, _this.handleDrag);
removeEvent(thisNode.ownerDocument, dragEventFor.stop, _this.handleDragStop);
}
}, _this.onMouseDown = function (e) {
dragEventFor = eventsFor.mouse; // on touchscreen laptops we could switch back to mouse
return _this.handleDragStart(e);
}, _this.onMouseUp = function (e) {
dragEventFor = eventsFor.mouse;
return _this.handleDragStop(e);
}, _this.onTouchStart = function (e) {
// We're on a touch device now, so change the event handlers
dragEventFor = eventsFor.touch;
return _this.handleDragStart(e);
}, _this.onTouchEnd = function (e) {
// We're on a touch device now, so change the event handlers
dragEventFor = eventsFor.touch;
return _this.handleDragStop(e);
}, _temp), possibleConstructorReturn(_this, _ret);
}
createClass(DraggableCore, [{
key: 'componentWillUnmount',
value: function componentWillUnmount() {
// Remove any leftover event handlers. Remove both touch and mouse handlers in case
// some browser quirk caused a touch event to fire during a mouse move, or vice versa.
var thisNode = ReactDOM.findDOMNode(this);
if (thisNode) {
var ownerDocument = thisNode.ownerDocument;
removeEvent(ownerDocument, eventsFor.mouse.move, this.handleDrag);
removeEvent(ownerDocument, eventsFor.touch.move, this.handleDrag);
removeEvent(ownerDocument, eventsFor.mouse.stop, this.handleDragStop);
removeEvent(ownerDocument, eventsFor.touch.stop, this.handleDragStop);
if (this.props.enableUserSelectHack) removeUserSelectStyles(ownerDocument);
}
}
// Same as onMouseDown (start drag), but now consider this a touch device.
}, {
key: 'render',
value: function render() {
// Reuse the child provided
// This makes it flexible to use whatever element is wanted (div, ul, etc)
return React.cloneElement(React.Children.only(this.props.children), {
style: styleHacks(this.props.children.props.style),
// Note: mouseMove handler is attached to document so it will still function
// when the user drags quickly and leaves the bounds of the element.
onMouseDown: this.onMouseDown,
onTouchStart: this.onTouchStart,
onMouseUp: this.onMouseUp,
onTouchEnd: this.onTouchEnd
});
}
}]);
return DraggableCore;
}(React.Component);
DraggableCore.displayName = 'DraggableCore';
DraggableCore.propTypes = {
/**
* `allowAnyClick` allows dragging using any mouse button.
* By default, we only accept the left button.
*
* Defaults to `false`.
*/
allowAnyClick: propTypes.bool,
/**
* `disabled`, if true, stops the <Draggable> from dragging. All handlers,
* with the exception of `onMouseDown`, will not fire.
*/
disabled: propTypes.bool,
/**
* By default, we add 'user-select:none' attributes to the document body
* to prevent ugly text selection during drag. If this is causing problems
* for your app, set this to `false`.
*/
enableUserSelectHack: propTypes.bool,
/**
* `offsetParent`, if set, uses the passed DOM node to compute drag offsets
* instead of using the parent node.
*/
offsetParent: function offsetParent(props /*: DraggableCoreProps*/, propName /*: $Keys<DraggableCoreProps>*/) {
if (props[propName] && props[propName].nodeType !== 1) {
throw new Error('Draggable\'s offsetParent must be a DOM Node.');
}
},
/**
* `grid` specifies the x and y that dragging should snap to.
*/
grid: propTypes.arrayOf(propTypes.number),
/**
* `scale` specifies the scale of the area you are dragging inside of. It allows
* the drag deltas to scale correctly with how far zoomed in/out you are.
*/
scale: propTypes.number,
/**
* `handle` specifies a selector to be used as the handle that initiates drag.
*
* Example:
*
* ```jsx
* let App = React.createClass({
* render: function () {
* return (
* <Draggable handle=".handle">
* <div>
* <div className="handle">Click me to drag</div>
* <div>This is some other content</div>
* </div>
* </Draggable>
* );
* }
* });
* ```
*/
handle: propTypes.string,
/**
* `cancel` specifies a selector to be used to prevent drag initialization.
*
* Example:
*
* ```jsx
* let App = React.createClass({
* render: function () {
* return(
* <Draggable cancel=".cancel">
* <div>
* <div className="cancel">You can't drag from here</div>
* <div>Dragging here works fine</div>
* </div>
* </Draggable>
* );
* }
* });
* ```
*/
cancel: propTypes.string,
/**
* Called when dragging starts.
* If this function returns the boolean false, dragging will be canceled.
*/
onStart: propTypes.func,
/**
* Called while dragging.
* If this function returns the boolean false, dragging will be canceled.
*/
onDrag: propTypes.func,
/**
* Called when dragging stops.
* If this function returns the boolean false, the drag will remain active.
*/
onStop: propTypes.func,
/**
* A workaround option which can be passed if onMouseDown needs to be accessed,
* since it'll always be blocked (as there is internal use of onMouseDown)
*/
onMouseDown: propTypes.func,
/**
* These properties should be defined on the child, not here.
*/
className: dontSetMe,
style: dontSetMe,
transform: dontSetMe
};
DraggableCore.defaultProps = {
allowAnyClick: false, // by default only accept left click
cancel: null,
disabled: false,
enableUserSelectHack: true,
offsetParent: null,
handle: null,
grid: null,
transform: null,
onStart: function onStart() {},
onDrag: function onDrag() {},
onStop: function onStop() {},
onMouseDown: function onMouseDown() {}
};
/*:: import type {DraggableEventHandler} from './utils/types';*/
/*:: import type {Element as ReactElement} from 'react';*/
/*:: type DraggableState = {
dragging: boolean,
dragged: boolean,
x: number, y: number,
slackX: number, slackY: number,
isElementSVG: boolean
};*/
//
// Define <Draggable>
//
/*:: export type DraggableProps = {
...$Exact<DraggableCoreProps>,
axis: 'both' | 'x' | 'y' | 'none',
bounds: DraggableBounds | string | false,
defaultClassName: string,
defaultClassNameDragging: string,
defaultClassNameDragged: string,
defaultPosition: ControlPosition,
positionOffset: PositionOffsetControlPosition,
position: ControlPosition,
scale: number
};*/
var Draggable = function (_React$Component) {
inherits(Draggable, _React$Component);
function Draggable(props /*: DraggableProps*/) {
classCallCheck(this, Draggable);
var _this = possibleConstructorReturn(this, (Draggable.__proto__ || Object.getPrototypeOf(Draggable)).call(this, props));
_this.onDragStart = function (e, coreData) {
// Short-circuit if user's callback killed it.
var shouldStart = _this.props.onStart(e, createDraggableData(_this, coreData));
// Kills start event on core as well, so move handlers are never bound.
if (shouldStart === false) return false;
_this.setState({ dragging: true, dragged: true });
};
_this.onDrag = function (e, coreData) {
if (!_this.state.dragging) return false;
var uiData = createDraggableData(_this, coreData);
var newState /*: $Shape<DraggableState>*/ = {
x: uiData.x,
y: uiData.y
};
// Keep within bounds.
if (_this.props.bounds) {
// Save original x and y.
var _x = newState.x,
_y = newState.y;
// 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.
newState.x += _this.state.slackX;
newState.y += _this.state.slackY;
// Get bound position. This will ceil/floor the x and y within the boundaries.
var _getBoundPosition = getBoundPosition(_this, newState.x, newState.y),
_getBoundPosition2 = slicedToArray(_getBoundPosition, 2),
newStateX = _getBoundPosition2[0],
newStateY = _getBoundPosition2[1];
newState.x = newStateX;
newState.y = newStateY;
// Recalculate slack by noting how much was shaved by the boundPosition handler.
newState.slackX = _this.state.slackX + (_x - newState.x);
newState.slackY = _this.state.slackY + (_y - newState.y);
// Update the event we fire to reflect what really happened after bounds took effect.
uiData.x = newState.x;
uiData.y = newState.y;
uiData.deltaX = newState.x - _this.state.x;
uiData.deltaY = newState.y - _this.state.y;
}
// Short-circuit if user's callback killed it.
var shouldUpdate = _this.props.onDrag(e, uiData);
if (shouldUpdate === false) return false;
_this.setState(newState);
};
_this.onDragStop = function (e, coreData) {
if (!_this.state.dragging) return false;
// Short-circuit if user's callback killed it.
var shouldStop = _this.props.onStop(e, createDraggableData(_this, coreData));
if (shouldStop === false) return false;
var newState /*: $Shape<DraggableState>*/ = {
dragging: false,
slackX: 0,
slackY: 0
};
// If this is a controlled component, the result of this operation will be to
// revert back to the old position. We expect a handler on `onDragStop`, at the least.
var controlled = Boolean(_this.props.position);
if (controlled) {
var _this$props$position = _this.props.position,
_x2 = _this$props$position.x,
_y2 = _this$props$position.y;
newState.x = _x2;
newState.y = _y2;
}
_this.setState(newState);
};
_this.state = {
// Whether or not we are currently dragging.
dragging: false,
// Whether or not we have been dragged before.
dragged: false,
// Current transform x and y.
x: props.position ? props.position.x : props.defaultPosition.x,
y: props.position ? props.position.y : props.defaultPosition.y,
// Used for compensating for out-of-bounds drags
slackX: 0, slackY: 0,
// Can only determine if SVG after mounting
isElementSVG: false
};
if (props.position && !(props.onDrag || props.onStop)) {
// eslint-disable-next-line no-console
console.warn('A `position` was applied to this <Draggable>, without drag handlers. This will make this ' + 'component effectively undraggable. Please attach `onDrag` or `onStop` handlers so you can adjust the ' + '`position` of this element.');
}
return _this;
}
createClass(Draggable, [{
key: 'componentDidMount',
value: function componentDidMount() {
// Check to see if the element passed is an instanceof SVGElement
if (typeof window.SVGElement !== 'undefined' && ReactDOM.findDOMNode(this) instanceof window.SVGElement) {
this.setState({ isElementSVG: true });
}
}
}, {
key: 'componentWillReceiveProps',
value: function componentWillReceiveProps(nextProps /*: Object*/) {
// Set x/y if position has changed
if (nextProps.position && (!this.props.position || nextProps.position.x !== this.props.position.x || nextProps.position.y !== this.props.position.y)) {
this.setState({ x: nextProps.position.x, y: nextProps.position.y });
}
}
}, {
key: 'componentWillUnmount',
value: function componentWillUnmount() {
this.setState({ dragging: false }); // prevents invariant if unmounted while dragging
}
}, {
key: 'render',
value: function render() /*: ReactElement<any>*/ {
var _classNames;
var style = {},
svgTransform = null;
// If this is controlled, we don't want to move it - unless it's dragging.
var controlled = Boolean(this.props.position);
var draggable = !controlled || this.state.dragging;
var position = this.props.position || this.props.defaultPosition;
var transformOpts = {
// Set left if horizontal drag is enabled
x: canDragX(this) && draggable ? this.state.x : position.x,
// Set top if vertical drag is enabled
y: canDragY(this) && draggable ? this.state.y : position.y
};
// If this element was SVG, we use the `transform` attribute.
if (this.state.isElementSVG) {
svgTransform = createSVGTransform(transformOpts, this.props.positionOffset);
} else {
// Add a CSS transform to move the element around. This allows us to move the element around
// without worrying about whether or not it is relatively or absolutely positioned.
// If the item you are dragging already has a transform set, wrap it in a <span> so <Draggable>
// has a clean slate.
style = createCSSTransform(transformOpts, this.props.positionOffset);
}
var _props = this.props,
defaultClassName = _props.defaultClassName,
defaultClassNameDragging = _props.defaultClassNameDragging,
defaultClassNameDragged = _props.defaultClassNameDragged;
var children = React.Children.only(this.props.children);
// Mark with class while dragging
var className = classnames(children.props.className || '', defaultClassName, (_classNames = {}, defineProperty(_classNames, defaultClassNameDragging, this.state.dragging), defineProperty(_classNames, defaultClassNameDragged, this.state.dragged), _classNames));
// Reuse the child provided
// This makes it flexible to use whatever element is wanted (div, ul, etc)
return React.createElement(
DraggableCore,
_extends({}, this.props, { onStart: this.onDragStart, onDrag: this.onDrag, onStop: this.onDragStop }),
React.cloneElement(children, {
className: className,
style: _extends({}, children.props.style, style),
transform: svgTransform
})
);
}
}]);
return Draggable;
}(React.Component);
Draggable.displayName = 'Draggable';
Draggable.propTypes = _extends({}, DraggableCore.propTypes, {
/**
* `axis` determines which axis the draggable can move.
*
* Note that all callbacks will still return data as normal. This only
* controls flushing to the DOM.
*
* 'both' allows movement horizontally and vertically.
* 'x' limits movement to horizontal axis.
* 'y' limits movement to vertical axis.
* 'none' limits all movement.
*
* Defaults to 'both'.
*/
axis: propTypes.oneOf(['both', 'x', 'y', 'none']),
/**
* `bounds` determines the range of movement available to the element.
* Available values are:
*
* 'parent' restricts movement within the Draggable's parent node.
*
* Alternatively, pass an object with the following properties, all of which are optional:
*
* {left: LEFT_BOUND, right: RIGHT_BOUND, bottom: BOTTOM_BOUND, top: TOP_BOUND}
*
* All values are in px.
*
* Example:
*
* ```jsx
* let App = React.createClass({
* render: function () {
* return (
* <Draggable bounds={{right: 300, bottom: 300}}>
* <div>Content</div>
* </Draggable>
* );
* }
* });
* ```
*/
bounds: propTypes.oneOfType([propTypes.shape({
left: propTypes.number,
right: propTypes.number,
top: propTypes.number,
bottom: propTypes.number
}), propTypes.string, propTypes.oneOf([false])]),
defaultClassName: propTypes.string,
defaultClassNameDragging: propTypes.string,
defaultClassNameDragged: propTypes.string,
/**
* `defaultPosition` specifies the x and y that the dragged item should start at
*
* Example:
*
* ```jsx
* let App = React.createClass({
* render: function () {
* return (
* <Draggable defaultPosition={{x: 25, y: 25}}>
* <div>I start with transformX: 25px and transformY: 25px;</div>
* </Draggable>
* );
* }
* });
* ```
*/
defaultPosition: propTypes.shape({
x: propTypes.number,
y: propTypes.number
}),
positionOffset: propTypes.shape({
x: propTypes.oneOfType([propTypes.number, propTypes.string]),
y: propTypes.oneOfType([propTypes.number, propTypes.string])
}),
/**
* `position`, if present, defines the current position of the element.
*
* This is similar to how form elements in React work - if no `position` is supplied, the component
* is uncontrolled.
*
* Example:
*
* ```jsx
* let App = React.createClass({
* render: function () {
* return (
* <Draggable position={{x: 25, y: 25}}>
* <div>I start with transformX: 25px and transformY: 25px;</div>
* </Draggable>
* );
* }
* });
* ```
*/
position: propTypes.shape({
x: propTypes.number,
y: propTypes.number
}),
/**
* These properties should be defined on the child, not here.
*/
className: dontSetMe,
style: dontSetMe,
transform: dontSetMe
});
Draggable.defaultProps = _extends({}, DraggableCore.defaultProps, {
axis: 'both',
bounds: false,
defaultClassName: 'react-draggable',
defaultClassNameDragging: 'react-draggable-dragging',
defaultClassNameDragged: 'react-draggable-dragged',
defaultPosition: { x: 0, y: 0 },
position: null,
scale: 1
});
// Previous versions of this lib exported <Draggable> as the root export. As to not break
// them, or TypeScript, we export *both* as the root and as 'default'.
// See https://github.com/mzabriskie/react-draggable/pull/254
// and https://github.com/mzabriskie/react-draggable/issues/266
Draggable.default = Draggable;
Draggable.DraggableCore = DraggableCore;
return Draggable;
})));
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