react-image-input
Version:
get your image input field easy and ready to go
321 lines (276 loc) • 10.3 kB
JavaScript
(function (global, factory) {
if (typeof define === "function" && define.amd) {
define(['exports', 'react', './utils/images', './cropper-dialog', './preview/image-preview'], factory);
} else if (typeof exports !== "undefined") {
factory(exports, require('react'), require('./utils/images'), require('./cropper-dialog'), require('./preview/image-preview'));
} else {
var mod = {
exports: {}
};
factory(mod.exports, global.react, global.images, global.cropperDialog, global.imagePreview);
global.singleImage = mod.exports;
}
})(this, function (exports, _react, _images, _cropperDialog, _imagePreview) {
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _react2 = _interopRequireDefault(_react);
var _images2 = _interopRequireDefault(_images);
var _cropperDialog2 = _interopRequireDefault(_cropperDialog);
var _imagePreview2 = _interopRequireDefault(_imagePreview);
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
default: 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 _jsx = function () {
var REACT_ELEMENT_TYPE = typeof Symbol === "function" && Symbol.for && Symbol.for("react.element") || 0xeac7;
return function createRawReactElement(type, props, key, children) {
var defaultProps = type && type.defaultProps;
var childrenLength = arguments.length - 3;
if (!props && childrenLength !== 0) {
props = {};
}
if (props && defaultProps) {
for (var propName in defaultProps) {
if (props[propName] === void 0) {
props[propName] = defaultProps[propName];
}
}
} else if (!props) {
props = defaultProps || {};
}
if (childrenLength === 1) {
props.children = children;
} else if (childrenLength > 1) {
var childArray = Array(childrenLength);
for (var i = 0; i < childrenLength; i++) {
childArray[i] = arguments[i + 3];
}
props.children = childArray;
}
return {
$$typeof: REACT_ELEMENT_TYPE,
type: type,
key: key === undefined ? null : '' + key,
ref: null,
props: props,
_owner: null
};
};
}();
function _objectWithoutProperties(obj, keys) {
var target = {};
for (var i in obj) {
if (keys.indexOf(i) >= 0) continue;
if (!Object.prototype.hasOwnProperty.call(obj, i)) continue;
target[i] = obj[i];
}
return target;
}
function _classCallCheck(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;
};
}();
function _possibleConstructorReturn(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;
}
function _inherits(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 ImageField = function (_Component) {
_inherits(ImageField, _Component);
function ImageField(props) {
_classCallCheck(this, ImageField);
var _this = _possibleConstructorReturn(this, (ImageField.__proto__ || Object.getPrototypeOf(ImageField)).call(this, props));
_this.onCrop = function (canvas) {
// toBlob polyfill
if (!HTMLCanvasElement.prototype.toBlob) {
Object.defineProperty(HTMLCanvasElement.prototype, 'toBlob', {
value: function value(callback, type, quality) {
var binStr = atob(this.toDataURL(type, quality).split(',')[1]);
var len = binStr.length;
var arr = new Uint8Array(len);
for (var i = 0; i < len; i++) {
arr[i] = binStr.charCodeAt(i);
}
callback(new Blob([arr], { type: type || 'image/png' }));
}
});
}
canvas.toBlob(function (blob) {
var reader = new FileReader();
reader.readAsDataURL(blob);
reader.onloadend = function () {
if (!_this.resize) {
_this.handleUpload({
imageData: reader.result,
imageType: _this.state.imageType,
blob: blob
});
} else {
_this.resizeAndUpload(reader.result, _this.state.imageType);
}
_this.setState({ isCropperOpen: false });
};
}, '' + _this.state.imageType);
};
_this.handleNewUrl = function (previewData) {
var imageData = previewData.imageData,
imageType = previewData.imageType;
if (!_this.resize && !_this.crop) {
_this.handleUpload({
imageData: imageData,
imageType: imageType
});
} else if (_this.crop) {
_this.setState({
imagePreviewUrl: imageData,
imageType: imageType,
isCropperOpen: true
});
} else if (_this.resize) {
_this.resizeAndUpload(imageData, imageType);
}
};
_this.handleUpload = function (_ref) {
var imageData = _ref.imageData,
imageType = _ref.imageType,
blob = _ref.blob;
if (_this.immediateUpload) {
_this.props.onFileSelect([blob || _images2.default.convertToBlob(imageData, imageType)]);
_this.setState({
imagePreviewUrl: '',
imageType: ''
});
} else {
_this.props.onFileSelect([blob || _images2.default.convertToBlob(imageData, imageType)]);
_this.setState({
imagePreviewUrl: imageData,
imageType: imageType
});
}
};
_this.handleCancelCrop = function () {
var _this$state = _this.state,
imageData = _this$state.imagePreviewUrl,
imageType = _this$state.imageType;
if (!_this.resize) {
_this.handleUpload({ imageData: imageData, imageType: imageType });
} else _this.resizeAndUpload(imageData, imageType);
_this.setState({ isCropperOpen: false });
};
_this.clearImageData = function (deleteImage) {
_this.setState({ imagePreviewUrl: '' });
if (deleteImage && _this.props.savedImage) {
_this.props.onImageDelete();
}
};
_this.resizeAndUpload = function (imageData, imageType) {
_images2.default.resizeImage(imageData, imageType, _this.maxWidth, _this.maxHeight).then(function (_ref2) {
var resizedImageData = _ref2.resizedImageData;
_this.handleUpload({
imageData: resizedImageData,
imageType: imageType
});
}).catch(function (err) {
return _this.props.onError(err);
});
};
_this.state = {
imagePreviewUrl: '',
isCropperOpen: false,
imageType: ''
};
if (props.options) {
if (props.isCordova) {
_this.resize = false;
} else {
_this.resize = props.options.resize !== false;
}
_this.crop = props.options.crop !== false;
_this.immediateUpload = props.options.immediateUpload;
_this.maxWidth = props.options.maxWidth || 400;
_this.maxHeight = props.options.maxHeight || 300;
} else {
_this.maxWidth = _this.defaultMaxImageWidth;
_this.maxHeight = _this.defaultMaxImageHeight;
}
return _this;
}
_createClass(ImageField, [{
key: 'render',
value: function render() {
var _props = this.props,
savedImage = _props.savedImage,
options = _props.options,
props = _objectWithoutProperties(_props, ['savedImage', 'options']);
var cropAspectRatio = options && options.cropAspectRatio;
var imagePreviewUrl = this.state.imagePreviewUrl;
return _jsx('div', {}, void 0, _react2.default.createElement(_imagePreview2.default, _extends({
imageUrl: imagePreviewUrl || savedImage,
setImageUrl: this.handleNewUrl,
clearImageData: this.clearImageData,
options: options
}, props, {
maxWidth: this.maxWidth,
maxHeight: this.maxHeight,
resize: options && options.resize !== false
})), _jsx(_cropperDialog2.default, {
imagePreviewUrl: this.state.imagePreviewUrl,
imageType: this.state.imageType,
open: this.state.isCropperOpen,
cancelDialog: this.handleCancelCrop,
onCrop: this.onCrop,
alwaysCrop: options && options.alwaysCrop,
cropAspectRatio: cropAspectRatio
}));
}
}]);
return ImageField;
}(_react.Component);
exports.default = ImageField;
});