ant-design-vue
Version:
An enterprise-class UI design language and Vue-based implementation
291 lines (254 loc) • 9.46 kB
JavaScript
import { createVNode as _createVNode } from "vue";
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
import PropTypes from '../../_util/vue-types';
import BaseMixin from '../../_util/BaseMixin';
import classNames from '../../_util/classNames';
import getUid from './uid';
import warning from '../../_util/warning';
import { getSlot, findDOMNode } from '../../_util/props-util';
var IFRAME_STYLE = {
position: 'absolute',
top: 0,
opacity: 0,
filter: 'alpha(opacity=0)',
left: 0,
zIndex: 9999
}; // diferent from AjaxUpload, can only upload on at one time, serial seriously
var IframeUploader = {
name: 'IframeUploader',
mixins: [BaseMixin],
props: {
componentTag: PropTypes.string,
// style: PropTypes.object,
disabled: PropTypes.looseBool,
prefixCls: PropTypes.string,
// className: PropTypes.string,
accept: PropTypes.string,
// onStart: PropTypes.func,
multiple: PropTypes.looseBool,
// children: PropTypes.any,
data: PropTypes.oneOfType([PropTypes.object, PropTypes.func]),
action: PropTypes.oneOfType([PropTypes.string, PropTypes.func]),
name: PropTypes.string
},
data: function data() {
this.file = {};
return {
uploading: false
};
},
methods: {
onLoad: function onLoad() {
if (!this.uploading) {
return;
}
var file = this.file;
var response;
try {
var doc = this.getIframeDocument();
var script = doc.getElementsByTagName('script')[0];
if (script && script.parentNode === doc.body) {
doc.body.removeChild(script);
}
response = doc.body.innerHTML;
this.__emit('success', response, file);
} catch (err) {
warning(false, 'cross domain error for Upload. Maybe server should return document.domain script. see Note from https://github.com/react-component/upload');
response = 'cross-domain';
this.__emit('error', err, null, file);
}
this.endUpload();
},
onChange: function onChange() {
var _this = this;
var target = this.getFormInputNode(); // ie8/9 don't support FileList Object
// http://stackoverflow.com/questions/12830058/ie8-input-type-file-get-files
var file = this.file = {
uid: getUid(),
name: target.value && target.value.substring(target.value.lastIndexOf('\\') + 1, target.value.length)
};
this.startUpload();
var props = this.$props;
if (!props.beforeUpload) {
return this.post(file);
}
var before = props.beforeUpload(file);
if (before && before.then) {
before.then(function () {
_this.post(file);
}, function () {
_this.endUpload();
});
} else if (before !== false) {
this.post(file);
} else {
this.endUpload();
}
},
getIframeNode: function getIframeNode() {
return this.$refs.iframeRef;
},
getIframeDocument: function getIframeDocument() {
return this.getIframeNode().contentDocument;
},
getFormNode: function getFormNode() {
return this.getIframeDocument().getElementById('form');
},
getFormInputNode: function getFormInputNode() {
return this.getIframeDocument().getElementById('input');
},
getFormDataNode: function getFormDataNode() {
return this.getIframeDocument().getElementById('data');
},
getFileForMultiple: function getFileForMultiple(file) {
return this.multiple ? [file] : file;
},
getIframeHTML: function getIframeHTML(domain) {
var domainScript = '';
var domainInput = '';
if (domain) {
var script = 'script';
domainScript = "<".concat(script, ">document.domain=\"").concat(domain, "\";</").concat(script, ">");
domainInput = "<input name=\"_documentDomain\" value=\"".concat(domain, "\" />");
}
return "\n <!DOCTYPE html>\n <html>\n <head>\n <meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\" />\n <style>\n body,html {padding:0;margin:0;border:0;overflow:hidden;}\n </style>\n ".concat(domainScript, "\n </head>\n <body>\n <form method=\"post\"\n encType=\"multipart/form-data\"\n action=\"\" id=\"form\"\n style=\"display:block;height:9999px;position:relative;overflow:hidden;\">\n <input id=\"input\" type=\"file\"\n name=\"").concat(this.name, "\"\n style=\"position:absolute;top:0;right:0;height:9999px;font-size:9999px;cursor:pointer;\"/>\n ").concat(domainInput, "\n <span id=\"data\"></span>\n </form>\n </body>\n </html>\n ");
},
initIframeSrc: function initIframeSrc() {
if (this.domain) {
this.getIframeNode().src = "javascript:void((function(){\n var d = document;\n d.open();\n d.domain='".concat(this.domain, "';\n d.write('');\n d.close();\n })())");
}
},
initIframe: function initIframe() {
var iframeNode = this.getIframeNode();
var win = iframeNode.contentWindow;
var doc;
this.domain = this.domain || '';
this.initIframeSrc();
try {
doc = win.document;
} catch (e) {
this.domain = document.domain;
this.initIframeSrc();
win = iframeNode.contentWindow;
doc = win.document;
}
doc.open('text/html', 'replace');
doc.write(this.getIframeHTML(this.domain));
doc.close();
this.getFormInputNode().onchange = this.onChange;
},
endUpload: function endUpload() {
if (this.uploading) {
this.file = {}; // hack avoid batch
this.uploading = false;
this.setState({
uploading: false
});
this.initIframe();
}
},
startUpload: function startUpload() {
if (!this.uploading) {
this.uploading = true;
this.setState({
uploading: true
});
}
},
updateIframeWH: function updateIframeWH() {
var rootNode = findDOMNode(this);
var iframeNode = this.getIframeNode();
iframeNode.style.height = "".concat(rootNode.offsetHeight, "px");
iframeNode.style.width = "".concat(rootNode.offsetWidth, "px");
},
abort: function abort(file) {
if (file) {
var uid = file;
if (file && file.uid) {
uid = file.uid;
}
if (uid === this.file.uid) {
this.endUpload();
}
} else {
this.endUpload();
}
},
post: function post(file) {
var _this2 = this;
var formNode = this.getFormNode();
var dataSpan = this.getFormDataNode();
var data = this.$props.data;
if (typeof data === 'function') {
data = data(file);
}
var inputs = document.createDocumentFragment();
for (var key in data) {
if (data.hasOwnProperty(key)) {
var input = document.createElement('input');
input.setAttribute('name', key);
input.value = data[key];
inputs.appendChild(input);
}
}
dataSpan.appendChild(inputs);
new Promise(function (resolve) {
var action = _this2.action;
if (typeof action === 'function') {
return resolve(action(file));
}
resolve(action);
}).then(function (action) {
formNode.setAttribute('action', action);
formNode.submit();
dataSpan.innerHTML = '';
_this2.__emit('start', file);
});
}
},
mounted: function mounted() {
var _this3 = this;
this.$nextTick(function () {
_this3.updateIframeWH();
_this3.initIframe();
});
},
updated: function updated() {
var _this4 = this;
this.$nextTick(function () {
_this4.updateIframeWH();
});
},
render: function render() {
var _classNames,
_this5 = this;
var _this$$props = this.$props,
Tag = _this$$props.componentTag,
disabled = _this$$props.disabled,
prefixCls = _this$$props.prefixCls;
var _this$$attrs = this.$attrs,
className = _this$$attrs.class,
style = _this$$attrs.style;
var iframeStyle = _extends(_extends({}, IFRAME_STYLE), {
display: this.uploading || disabled ? 'none' : ''
});
var cls = classNames((_classNames = {}, _defineProperty(_classNames, prefixCls, true), _defineProperty(_classNames, "".concat(prefixCls, "-disabled"), disabled), _defineProperty(_classNames, className, className), _classNames));
return _createVNode(Tag, {
"class": cls,
"style": _extends({
position: 'relative',
zIndex: 0
}, style)
}, {
default: function _default() {
return [_createVNode("iframe", {
"ref": "iframeRef",
"onLoad": _this5.onLoad,
"style": iframeStyle
}, null), getSlot(_this5)];
}
});
}
};
export default IframeUploader;