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index.js
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(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory(require("react"), require("react-dom"));
else if(typeof define === 'function' && define.amd)
define(["react", "react-dom"], factory);
else if(typeof exports === 'object')
exports["react-viewer"] = factory(require("react"), require("react-dom"));
else
root["react-viewer"] = factory(root["React"], root["ReactDOM"]);
})(this, function(__WEBPACK_EXTERNAL_MODULE_1__, __WEBPACK_EXTERNAL_MODULE_10__) {
return /******/ (function(modules) { // webpackBootstrap
/******/ // The module cache
/******/ var installedModules = {};
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/ // Check if module is in cache
/******/ if(installedModules[moduleId])
/******/ return installedModules[moduleId].exports;
/******/ // Create a new module (and put it into the cache)
/******/ var module = installedModules[moduleId] = {
/******/ exports: {},
/******/ id: moduleId,
/******/ loaded: false
/******/ };
/******/ // Execute the module function
/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/ // Flag the module as loaded
/******/ module.loaded = true;
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/ // expose the modules object (__webpack_modules__)
/******/ __webpack_require__.m = modules;
/******/ // expose the module cache
/******/ __webpack_require__.c = installedModules;
/******/ // __webpack_public_path__
/******/ __webpack_require__.p = "";
/******/ // Load entry module and return exports
/******/ return __webpack_require__(0);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ (function(module, exports, __webpack_require__) {
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _Viewer = __webpack_require__(4);
var _Viewer2 = _interopRequireDefault(_Viewer);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
exports.default = _Viewer2.default;
module.exports = exports['default'];
/***/ }),
/* 1 */
/***/ (function(module, exports) {
module.exports = __WEBPACK_EXTERNAL_MODULE_1__;
/***/ }),
/* 2 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = exports.ActionType = undefined;
var _react = __webpack_require__(1);
var React = _interopRequireWildcard(_react);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _defaults(obj, defaults) { var keys = Object.getOwnPropertyNames(defaults); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var value = Object.getOwnPropertyDescriptor(defaults, key); if (value && value.configurable && obj[key] === undefined) { Object.defineProperty(obj, key, value); } } return obj; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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) : _defaults(subClass, superClass); }
var ActionType = exports.ActionType = undefined;
(function (ActionType) {
ActionType[ActionType["zoomIn"] = 1] = "zoomIn";
ActionType[ActionType["zoomOut"] = 2] = "zoomOut";
ActionType[ActionType["prev"] = 3] = "prev";
ActionType[ActionType["next"] = 4] = "next";
ActionType[ActionType["rotateLeft"] = 5] = "rotateLeft";
ActionType[ActionType["rotateRight"] = 6] = "rotateRight";
ActionType[ActionType["reset"] = 7] = "reset";
ActionType[ActionType["close"] = 8] = "close";
ActionType[ActionType["scaleX"] = 9] = "scaleX";
ActionType[ActionType["scaleY"] = 10] = "scaleY";
ActionType[ActionType["download"] = 11] = "download";
ActionType[ActionType["bookmark"] = 12] = "bookmark";
})(ActionType || (exports.ActionType = ActionType = {}));
var Icon = function (_React$Component) {
_inherits(Icon, _React$Component);
function Icon() {
_classCallCheck(this, Icon);
return _possibleConstructorReturn(this, _React$Component.apply(this, arguments));
}
Icon.prototype.render = function render() {
var prefixCls = 'react-viewer-icon';
return React.createElement("i", { className: prefixCls + " " + prefixCls + "-" + ActionType[this.props.type] });
};
return Icon;
}(React.Component);
exports.default = Icon;
/***/ }),
/* 3 */
/***/ (function(module, exports, __webpack_require__) {
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = undefined;
var _react = __webpack_require__(1);
var React = _interopRequireWildcard(_react);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _defaults(obj, defaults) { var keys = Object.getOwnPropertyNames(defaults); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var value = Object.getOwnPropertyDescriptor(defaults, key); if (value && value.configurable && obj[key] === undefined) { Object.defineProperty(obj, key, value); } } return obj; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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) : _defaults(subClass, superClass); }
var Loading = function (_React$Component) {
_inherits(Loading, _React$Component);
function Loading() {
_classCallCheck(this, Loading);
return _possibleConstructorReturn(this, _React$Component.call(this));
}
Loading.prototype.render = function render() {
var cls = 'spin spin-spinning';
return React.createElement(
'div',
{ className: 'spin-wrap', style: this.props.style },
React.createElement(
'div',
{ className: cls },
React.createElement('div', { className: 'spin-dot' })
)
);
};
return Loading;
}(React.Component);
exports.default = Loading;
module.exports = exports['default'];
/***/ }),
/* 4 */
/***/ (function(module, exports, __webpack_require__) {
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = undefined;
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 _react = __webpack_require__(1);
var React = _interopRequireWildcard(_react);
var _reactDom = __webpack_require__(10);
var ReactDOM = _interopRequireWildcard(_reactDom);
var _ViewerCore = __webpack_require__(6);
var _ViewerCore2 = _interopRequireDefault(_ViewerCore);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _defaults(obj, defaults) { var keys = Object.getOwnPropertyNames(defaults); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var value = Object.getOwnPropertyDescriptor(defaults, key); if (value && value.configurable && obj[key] === undefined) { Object.defineProperty(obj, key, value); } } return obj; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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) : _defaults(subClass, superClass); }
var Viewer = function (_React$Component) {
_inherits(Viewer, _React$Component);
function Viewer() {
_classCallCheck(this, Viewer);
var _this = _possibleConstructorReturn(this, _React$Component.call(this));
_this.container = null;
_this.defaultContainer = document.createElement('div');
_this.component = null;
return _this;
}
Viewer.prototype.renderViewer = function renderViewer() {
if (this.props.visible || this.component) {
if (!this.container) {
if (this.props.container) {
this.container = this.props.container;
} else {
this.container = this.defaultContainer;
document.body.appendChild(this.container);
}
}
var instance = this;
ReactDOM.unstable_renderSubtreeIntoContainer(this, React.createElement(_ViewerCore2.default, _extends({}, this.props, { noClose: this.props.noClose || true })), this.container, function () {
instance.component = this;
});
}
};
Viewer.prototype.removeViewer = function removeViewer() {
if (this.container) {
var container = this.container;
ReactDOM.unmountComponentAtNode(container);
container.parentNode.removeChild(container);
this.container = null;
this.component = null;
}
};
Viewer.prototype.componentWillUnmount = function componentWillUnmount() {
if (this.props.visible && this.props.onClose) {
this.props.onClose();
}
this.removeViewer();
};
Viewer.prototype.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {
if (this.props.container !== nextProps.container) {
this.component = null;
if (nextProps.container) {
if (this.container) {
document.body.removeChild(this.container);
}
this.container = nextProps.container;
} else {
this.container = this.defaultContainer;
document.body.appendChild(this.container);
}
}
};
Viewer.prototype.componentDidMount = function componentDidMount() {
this.renderViewer();
};
Viewer.prototype.componentDidUpdate = function componentDidUpdate() {
this.renderViewer();
};
Viewer.prototype.render = function render() {
return null;
};
return Viewer;
}(React.Component);
exports.default = Viewer;
module.exports = exports['default'];
/***/ }),
/* 5 */
/***/ (function(module, exports, __webpack_require__) {
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = undefined;
var _react = __webpack_require__(1);
var React = _interopRequireWildcard(_react);
var _Loading = __webpack_require__(3);
var _Loading2 = _interopRequireDefault(_Loading);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _defaults(obj, defaults) { var keys = Object.getOwnPropertyNames(defaults); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var value = Object.getOwnPropertyDescriptor(defaults, key); if (value && value.configurable && obj[key] === undefined) { Object.defineProperty(obj, key, value); } } return obj; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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) : _defaults(subClass, superClass); }
var ViewerCanvas = function (_React$Component) {
_inherits(ViewerCanvas, _React$Component);
function ViewerCanvas() {
_classCallCheck(this, ViewerCanvas);
var _this = _possibleConstructorReturn(this, _React$Component.call(this));
_this.handleResize = function (e) {
_this.props.onResize();
};
_this.handleCanvasMouseDown = function (e) {
_this.props.onCanvasMouseDown(e);
_this.handleMouseDown(e);
};
_this.handleMouseDown = function (e) {
if (!_this.props.visible || !_this.props.drag) {
return;
}
e.preventDefault();
e.stopPropagation();
_this.setState({
isMouseDown: true,
mouseX: e.nativeEvent.clientX,
mouseY: e.nativeEvent.clientY
});
};
_this.handleMouseMove = function (e) {
if (_this.state.isMouseDown) {
var diffX = e.clientX - _this.state.mouseX;
var diffY = e.clientY - _this.state.mouseY;
_this.setState({
mouseX: e.clientX,
mouseY: e.clientY
});
_this.props.onChangeImgState(_this.props.width, _this.props.height, _this.props.top + diffY, _this.props.left + diffX);
}
};
_this.handleMouseUp = function (e) {
_this.setState({
isMouseDown: false
});
};
_this.handleMouseScroll = function (e) {
e.preventDefault();
var direct = 0;
if (e.wheelDelta) {
direct = e.wheelDelta > 0 ? 1 : -1;
} else if (e.detail) {
direct = e.detail > 0 ? -1 : 1;
}
if (direct !== 0) {
var x = e.clientX;
var y = e.clientY;
if (_this.props.container) {
var containerRect = _this.props.container.getBoundingClientRect();
x -= containerRect.left;
y -= containerRect.top;
}
_this.props.onZoom(x, y, direct);
}
};
_this.bindEvent = function (remove) {
var funcName = 'addEventListener';
if (remove) {
funcName = 'removeEventListener';
}
var mouseScrollArea = document;
if (_this.props.container) {
mouseScrollArea = _this.props.container;
}
mouseScrollArea[funcName]('DOMMouseScroll', _this.handleMouseScroll, false);
mouseScrollArea[funcName]('mousewheel', _this.handleMouseScroll, false);
document[funcName]('click', _this.handleMouseUp, false);
document[funcName]('mousemove', _this.handleMouseMove, false);
window[funcName]('resize', _this.handleResize, false);
};
_this.state = {
isMouseDown: false,
mouseX: 0,
mouseY: 0
};
return _this;
}
ViewerCanvas.prototype.componentDidMount = function componentDidMount() {
if (this.props.drag) {
this.bindEvent();
}
};
ViewerCanvas.prototype.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {
if (!this.props.visible && nextProps.visible) {
if (nextProps.drag) {
return this.bindEvent();
}
}
if (this.props.visible && !nextProps.visible) {
this.handleMouseUp({});
if (nextProps.drag) {
return this.bindEvent(true);
}
}
if (this.props.drag && !nextProps.drag) {
return this.bindEvent(true);
}
if (!this.props.drag && nextProps.drag) {
if (nextProps.visible) {
return this.bindEvent(true);
}
}
};
ViewerCanvas.prototype.componentWillUnmount = function componentWillUnmount() {
this.bindEvent(true);
};
ViewerCanvas.prototype.render = function render() {
var imgStyle = {
width: this.props.width + 'px',
height: this.props.height + 'px',
transform: 'translateX(' + (this.props.left ? this.props.left + 'px' : 'aoto') + ') translateY(' + this.props.top + 'px)\n rotate(' + this.props.rotate + 'deg) scaleX(' + this.props.scaleX + ') scaleY(' + this.props.scaleY + ')'
};
var imgClass = this.props.drag ? 'drag' : '';
if (!this.state.isMouseDown) {
imgClass += ' ' + this.props.prefixCls + '-image-transition';
}
var style = {
zIndex: this.props.zIndex
};
var imgNode = null;
if (this.props.imgSrc !== '') {
imgNode = React.createElement('img', { className: imgClass, src: this.props.imgSrc, style: imgStyle, onMouseDown: this.handleMouseDown });
}
if (this.props.loading) {
imgNode = React.createElement(
'div',
{ style: {
display: 'flex',
height: '100%',
justifyContent: 'center',
alignItems: 'center'
} },
React.createElement(_Loading2.default, null)
);
}
return React.createElement(
'div',
{ className: this.props.prefixCls + '-canvas', onMouseDown: this.handleCanvasMouseDown, style: style },
imgNode
);
};
return ViewerCanvas;
}(React.Component);
exports.default = ViewerCanvas;
module.exports = exports['default'];
/***/ }),
/* 6 */
/***/ (function(module, exports, __webpack_require__) {
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = undefined;
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"); } }; }();
var _react = __webpack_require__(1);
var React = _interopRequireWildcard(_react);
__webpack_require__(9);
var _ViewerCanvas = __webpack_require__(5);
var _ViewerCanvas2 = _interopRequireDefault(_ViewerCanvas);
var _ViewerNav = __webpack_require__(7);
var _ViewerNav2 = _interopRequireDefault(_ViewerNav);
var _ViewerToolbar = __webpack_require__(8);
var _ViewerToolbar2 = _interopRequireDefault(_ViewerToolbar);
var _Icon = __webpack_require__(2);
var _Icon2 = _interopRequireDefault(_Icon);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _defaults(obj, defaults) { var keys = Object.getOwnPropertyNames(defaults); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var value = Object.getOwnPropertyDescriptor(defaults, key); if (value && value.configurable && obj[key] === undefined) { Object.defineProperty(obj, key, value); } } return obj; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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) : _defaults(subClass, superClass); }
function noop() {}
var transitionDuration = 300;
var ViewerCore = function (_React$Component) {
_inherits(ViewerCore, _React$Component);
function ViewerCore(props) {
_classCallCheck(this, ViewerCore);
var _this = _possibleConstructorReturn(this, _React$Component.call(this, props));
_this.handleClose = function (e) {
_this.props.onClose();
};
_this.handleChangeImg = function (newIndex) {
// let imgCenterXY2 = this.getImageCenterXY();
// this.handleZoom(imgCenterXY2.x, imgCenterXY2.y, -1, 1);
// setTimeout(() => {
// this.loadImg(newIndex);
// }, transitionDuration);
_this.loadImg(newIndex);
};
_this.handleChangeImgState = function (width, height, top, left) {
_this.setState({
width: width,
height: height,
top: top,
left: left
});
};
_this.handleDefaultAction = function (type) {
switch (type) {
case _Icon.ActionType.prev:
if (_this.state.activeIndex - 1 >= 0) {
_this.handleChangeImg(_this.state.activeIndex - 1);
}
break;
case _Icon.ActionType.next:
if (_this.state.activeIndex + 1 < _this.props.images.length) {
_this.handleChangeImg(_this.state.activeIndex + 1);
}
break;
case _Icon.ActionType.zoomIn:
var imgCenterXY = _this.getImageCenterXY();
_this.handleZoom(imgCenterXY.x, imgCenterXY.y, 1, _this.props.zoomSpeed);
break;
case _Icon.ActionType.zoomOut:
var imgCenterXY2 = _this.getImageCenterXY();
_this.handleZoom(imgCenterXY2.x, imgCenterXY2.y, -1, _this.props.zoomSpeed);
break;
case _Icon.ActionType.rotateLeft:
_this.handleRotate();
break;
case _Icon.ActionType.rotateRight:
_this.handleRotate(true);
break;
case _Icon.ActionType.reset:
_this.loadImg(_this.state.activeIndex);
break;
case _Icon.ActionType.scaleX:
_this.handleScaleX(-1);
break;
case _Icon.ActionType.scaleY:
_this.handleScaleY(-1);
break;
case _Icon.ActionType.download:
_this.handleDownload();
break;
default:
break;
}
};
_this.handleAction = function (config) {
_this.handleDefaultAction(config.actionType);
if (config.onClick) {
var activeImage = _this.getActiveImage();
config.onClick(activeImage);
}
};
_this.handleDownload = function () {
var activeImage = _this.getActiveImage();
if (activeImage.downloadUrl) {
location.href = activeImage.downloadUrl;
}
};
_this.handleScaleX = function (newScale) {
_this.setState({
scaleX: _this.state.scaleX * newScale
});
};
_this.handleScaleY = function (newScale) {
_this.setState({
scaleY: _this.state.scaleY * newScale
});
};
_this.handleScrollZoom = function (targetX, targetY, direct) {
_this.handleZoom(targetX, targetY, direct, _this.props.zoomSpeed);
};
_this.handleMoveImg = function (value, direct) {
var stateTop = _this.state.top;
var stateLeft = _this.state.left;
// inline mode
if (_this.props.container) {
var h_img = document.getElementsByClassName('drag react-viewer-image-transition')[0].height;
// console.log('translate---', document.getElementsByClassName('drag react-viewer-image-transition')[0].style.cssText);
var up = Math.abs(stateTop) - value;
var down = stateTop + value;
var left = Math.abs(stateLeft - value - 30);
var rigth = Math.abs(stateLeft + value + 30);
switch (direct) {
case "up":
if (up < h_img) {
if (up + value < h_img) stateTop -= value;
console.log('up', stateTop, h_img);
}
break;
case "down":
if (down < h_img) {
stateTop += value;
console.log('3down', stateTop, h_img);
}
break;
case "left":
if (left < _this.containerWidth) stateLeft -= value;
break;
case "right":
if (rigth < _this.containerWidth) stateLeft += value;
break;
default:
break;
}
_this.setState({
top: stateTop,
left: stateLeft
});
}
};
_this.handleZoom = function (targetX, targetY, direct, scale) {
var imgCenterXY = _this.getImageCenterXY();
var diffX = targetX - imgCenterXY.x;
var diffY = targetY - imgCenterXY.y;
// when image width is 0, set original width
var reset = false;
var top = 0;
var left = 0;
var width = 0;
var height = 0;
var scaleX = 0;
var scaleY = 0;
if (_this.state.width === 0) {
var _this$getImgWidthHeig = _this.getImgWidthHeight(_this.state.imageWidth, _this.state.imageHeight),
_this$getImgWidthHeig2 = _slicedToArray(_this$getImgWidthHeig, 2),
imgWidth = _this$getImgWidthHeig2[0],
imgHeight = _this$getImgWidthHeig2[1];
reset = true;
left = (_this.containerWidth - imgWidth) / 2;
top = (_this.containerHeight - _this.footerHeight - imgHeight) / 30;
width = _this.state.width + imgWidth;
height = _this.state.height + imgHeight;
scaleX = scaleY = 1;
} else {
var directX = _this.state.scaleX > 0 ? 1 : -1;
var directY = _this.state.scaleY > 0 ? 1 : -1;
scaleX = _this.state.scaleX + scale * direct * directX;
scaleY = _this.state.scaleY + scale * direct * directY;
if (Math.abs(scaleX) < 0.1 || Math.abs(scaleY) < 0.1) {
return;
}
top = _this.state.top + -direct * diffY / _this.state.scaleX * scale * directX;
left = _this.state.left + -direct * diffX / _this.state.scaleY * scale * directY;
width = _this.state.width;
height = _this.state.height;
}
_this.setState({
width: width,
scaleX: scaleX,
scaleY: scaleY,
height: height,
top: top,
left: left,
loading: false
});
};
_this.getImageCenterXY = function () {
return {
x: _this.state.left + _this.state.width / 2,
y: _this.state.top + _this.state.height / 2
};
};
_this.handleRotate = function () {
var isRight = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
_this.setState({
rotate: _this.state.rotate + 90 * (isRight ? 1 : -1)
});
};
_this.handleResize = function () {
_this.setContainerWidthHeight();
if (_this.props.visible) {
var _this$getImgWidthHeig3 = _this.getImgWidthHeight(_this.state.imageWidth, _this.state.imageHeight),
_this$getImgWidthHeig4 = _slicedToArray(_this$getImgWidthHeig3, 2),
width = _this$getImgWidthHeig4[0],
height = _this$getImgWidthHeig4[1];
var left = (_this.containerWidth - width) / 2;
var top = (_this.containerHeight - height - _this.footerHeight) / 2;
_this.setState({
width: width,
height: height,
left: left,
top: top,
rotate: 0,
scaleX: 1,
scaleY: 1
});
}
};
_this.handleKeydown = function (e) {
var keyCode = e.keyCode || e.which || e.charCode;
var isFeatrue = false;
// Move img
if (e.ctrlKey && e.shiftKey) {
switch (keyCode) {
case 37:
_this.handleMoveImg(50, "left");
isFeatrue = true;
break;
case 39:
_this.handleMoveImg(50, "right");
isFeatrue = true;
break;
case 38:
_this.handleMoveImg(50, "up");
isFeatrue = true;
break;
case 40:
_this.handleMoveImg(50, "down");
isFeatrue = true;
break;
}
} else {
switch (keyCode) {
// key: esc
case 27:
_this.props.onClose();
isFeatrue = true;
break;
// key: ←
case 37:
if (e.shiftKey) {
_this.handleDefaultAction(_Icon.ActionType.rotateLeft);
}
if (e.ctrlKey) {
_this.handleDefaultAction(_Icon.ActionType.prev);
}
isFeatrue = true;
break;
// key: →
case 39:
if (e.shiftKey) {
_this.handleDefaultAction(_Icon.ActionType.rotateRight);
}
if (e.ctrlKey) {
_this.handleDefaultAction(_Icon.ActionType.next);
}
isFeatrue = true;
break;
// key: ↑
case 38:
if (e.ctrlKey) {
_this.handleDefaultAction(_Icon.ActionType.zoomIn);
}
if (e.shiftKey) {
_this.handleDefaultAction(_Icon.ActionType.scaleX);
}
isFeatrue = true;
break;
// key: ↓
case 40:
if (e.ctrlKey) {
_this.handleDefaultAction(_Icon.ActionType.zoomOut);
}
if (e.shiftKey) {
_this.handleDefaultAction(_Icon.ActionType.scaleY);
}
isFeatrue = true;
break;
// key: Ctrl + z
case 90:
if (e.ctrlKey) {
_this.loadImg(_this.state.activeIndex);
isFeatrue = true;
}
break;
default:
break;
}
}
if (isFeatrue) {
e.preventDefault();
}
};
_this.handleTransitionEnd = function (e) {
if (!_this.state.transitionEnd || _this.state.visibleStart) {
_this.setState({
visibleStart: false,
transitionEnd: true
});
}
};
_this.handleCanvasMouseDown = function (e) {
_this.props.onMaskClick(e);
};
_this.getActiveImage = function () {
var activeImg = {
src: '',
alt: '',
downloadUrl: ''
};
var images = _this.props.images || [];
if (images.length > 0 && _this.state.activeIndex >= 0) {
activeImg = images[_this.state.activeIndex];
}
return activeImg;
};
_this.prefixCls = 'react-viewer';
_this.state = {
visible: false,
visibleStart: false,
transitionEnd: false,
activeIndex: _this.props.activeIndex,
width: 0,
height: 0,
top: 15,
left: null,
rotate: 0,
imageWidth: 0,
imageHeight: 0,
scaleX: _this.props.scaleX ? _this.props.scaleX : 1,
scaleY: _this.props.scaleY ? _this.props.scaleY : 1,
loading: false
};
_this.setContainerWidthHeight();
_this.footerHeight = 84;
return _this;
}
ViewerCore.prototype.setContainerWidthHeight = function setContainerWidthHeight() {
this.containerWidth = window.innerWidth;
this.containerHeight = window.innerHeight;
if (this.props.container) {
this.containerWidth = this.props.container.offsetWidth;
this.containerHeight = this.props.container.offsetHeight;
}
};
ViewerCore.prototype.startVisible = function startVisible(activeIndex) {
var _this2 = this;
if (!this.props.container) {
document.body.style.overflow = 'hidden';
if (document.body.scrollHeight > document.body.clientHeight) {
document.body.style.paddingRight = '15px';
}
}
this.setState({
visibleStart: true
});
setTimeout(function () {
_this2.setState({
visible: true
});
setTimeout(function () {
_this2.bindEvent();
_this2.loadImg(activeIndex, true);
}, 300);
}, 10);
};
ViewerCore.prototype.componentDidMount = function componentDidMount() {
this.refs['viewerCore'].addEventListener('transitionend', this.handleTransitionEnd, false);
this.startVisible(this.state.activeIndex);
};
ViewerCore.prototype.getImgWidthHeight = function getImgWidthHeight(imgWidth, imgHeight) {
var width = 0;
var height = 0;
var maxWidth = this.containerWidth * 2.5;
var maxHeight = (this.containerHeight - this.footerHeight) * 2.5;
width = Math.min(maxWidth, imgWidth);
height = width / imgWidth * imgHeight;
if (height > maxHeight) {
height = maxHeight;
width = height / imgHeight * imgWidth;
}
return [width, height];
};
ViewerCore.prototype.loadImg = function loadImg(activeIndex) {
var _this3 = this;
var firstLoad = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
var imgSrc = '';
var images = this.props.images || [];
if (images.length > 0) {
imgSrc = images[activeIndex].src;
}
var img = new Image();
img.src = imgSrc;
if (firstLoad) {
this.setState({
activeIndex: activeIndex,
width: 0,
height: 0,
left: 0,
top: 0,
rotate: 0,
scaleX: this.props.scaleX ? this.props.scaleX : 1,
scaleY: this.props.scaleY ? this.props.scaleY : 1,
loading: true
});
} else {
this.setState({
activeIndex: activeIndex,
loading: true
});
}
img.onload = function () {
var imgWidth = img.width;
var imgHeight = img.height;
// if (firstLoad) {
// setTimeout(() => {
// this.setState({
// activeIndex: activeIndex,
// imageWidth: imgWidth,
// imageHeight: imgHeight,
// });
// let imgCenterXY = this.getImageCenterXY();
// this.handleZoom(this.props.scaleX, this.props.scaleY, 1, 1);
// }, 50);
// } else {
var _getImgWidthHeight = _this3.getImgWidthHeight(imgWidth, imgHeight),
_getImgWidthHeight2 = _slicedToArray(_getImgWidthHeight, 2),
width = _getImgWidthHeight2[0],
height = _getImgWidthHeight2[1];
var left = (_this3.containerWidth - width) / 2;
var top = (_this3.containerHeight - height - _this3.footerHeight) / 2;
var stretchWidth = false;
if (!_this3.props.stretch && !_this3.props.stretchHeight && !_this3.props.stretchWidth && !_this3.props.scaleX && !_this3.props.scaleX) {
stretchWidth = true;
}