@pnp/spfx-controls-react
Version:
Reusable React controls for SharePoint Framework solutions
247 lines • 10.9 kB
JavaScript
import { __awaiter, __extends, __generator } from "tslib";
import * as React from 'react';
import styles from './DragDropFiles.module.scss';
import { Icon } from '@fluentui/react/lib/Icon';
/**
* DragDropFiles Class Control
*/
var DragDropFiles = /** @class */ (function (_super) {
__extends(DragDropFiles, _super);
function DragDropFiles(props) {
var _this = _super.call(this, props) || this;
_this.dragCounter = 0;
_this.dropRef = React.createRef();
/**
* Stop listeners from onDragOver event.
* @param e
*/
_this.handleonDragOver = function (e) {
e.preventDefault();
e.stopPropagation();
if (e.dataTransfer.items && e.dataTransfer.items.length > 0) {
e.dataTransfer.dropEffect = e.dataTransfer.dropEffect = _this.props.dropEffect;
}
};
/**
* Stop listeners from onDragEnter event, enable drag and drop view.
* @param e
*/
_this.handleonDragEnter = function (e) {
e.preventDefault();
e.stopPropagation();
_this.dragCounter++;
if (e.dataTransfer.items && e.dataTransfer.items.length > 0) {
e.dataTransfer.dropEffect = _this._dropEffect;
_this.setState({ dragStatus: true });
}
};
/**
* Stop listeners from ondragenter event, disable drag and drop view.
* @param e
*/
_this.handleonDragLeave = function (e) {
e.preventDefault();
e.stopPropagation();
_this.dragCounter--;
if (_this.dragCounter === 0) {
_this.setState({ dragStatus: false });
}
};
/**
* Stop listeners from onDrop event and load files to property onDrop.
* @param e
*/
_this.handleonDrop = function (e) { return __awaiter(_this, void 0, void 0, function () {
var _a, _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
e.preventDefault();
e.stopPropagation();
this.setState({ dragStatus: false });
if (!(e.dataTransfer && e.dataTransfer.items)) return [3 /*break*/, 2];
_b = (_a = this.props).onDrop;
return [4 /*yield*/, this.getFilesAsync(e)];
case 1:
_b.apply(_a, [_c.sent()]);
_c.label = 2;
case 2:
e.dataTransfer.clearData();
this.dragCounter = 0;
return [2 /*return*/];
}
});
}); };
/**
* Add File to Array Files of type File[]
* https://www.meziantou.net/upload-files-and-directories-using-an-input-drag-and-drop-or-copy-and-paste-with.htm
* @param dataTransfer
*/
_this.getFilesAsync = function (e) { return __awaiter(_this, void 0, void 0, function () {
var Customfiles, items, Directory, entry, files, i, item, file, file, file, entryContent;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
Customfiles = e.dataTransfer;
items = Customfiles.items;
Directory = [];
files = [];
for (i = 0; i < items.length; i++) {
item = items[i];
if (item.kind === "file") {
/**
* This method retrieves Files from Folders
* defensive code to only use method when exist in browser if not only return files.
* https://developer.mozilla.org/en-US/docs/Web/API/DataTransferItem/webkitGetAsEntry
*/
if (item.getAsEntry) { // eslint-disable-line @typescript-eslint/no-explicit-any
entry = item.getAsEntry(); // eslint-disable-line @typescript-eslint/no-explicit-any
if (entry.isDirectory) {
Directory.push(entry);
}
else {
file = item.getAsFile();
if (file) {
file.fullPath = ""; // eslint-disable-line @typescript-eslint/no-explicit-any
files.push(file);
}
}
}
else if (item.webkitGetAsEntry) {
entry = item.webkitGetAsEntry();
if (entry.isDirectory) {
Directory.push(entry);
}
else {
file = item.getAsFile();
if (file) {
file.fullPath = ""; // eslint-disable-line @typescript-eslint/no-explicit-any
files.push(file);
}
}
}
else if ("function" === typeof item.getAsFile) {
file = item.getAsFile();
if (file) {
file.fullPath = ""; // eslint-disable-line @typescript-eslint/no-explicit-any
files.push(file);
}
}
continue;
}
}
if (!(Directory.length > 0)) return [3 /*break*/, 2];
return [4 /*yield*/, this.readEntryContentAsync(Directory)];
case 1:
entryContent = _a.sent();
files.push.apply(files, entryContent);
_a.label = 2;
case 2: return [2 /*return*/, files];
}
});
}); };
// Returns a promise with all the files of the directory hierarchy
/**
*
* @param entry
*/
_this.readEntryContentAsync = function (Directory) {
return new Promise(function (resolve, reject) {
var reading = 0;
var contents = [];
Directory.forEach(function (entry) {
readEntry(entry, "");
});
function readEntry(entry, path) {
if (entry.isDirectory) {
readReaderContent(entry.createReader());
}
else {
reading++;
entry.file(function (file) {
reading--;
file.fullPath = path; // eslint-disable-line @typescript-eslint/no-explicit-any
contents.push(file);
if (reading === 0) {
resolve(contents);
}
});
}
}
function readReaderContent(reader) {
reading++;
reader.readEntries(function (entries) {
reading--;
for (var _i = 0, entries_1 = entries; _i < entries_1.length; _i++) {
var entry = entries_1[_i];
readEntry(entry, entry.fullPath);
}
if (reading === 0) {
resolve(contents);
}
});
}
});
};
// Initialize state
_this.state = {
dragStatus: false
};
return _this;
}
/**
* Lifecycle hook when component is mounted
*/
DragDropFiles.prototype.componentDidMount = function () {
var _a = this.props, dropEffect = _a.dropEffect, enable = _a.enable;
if (dropEffect === undefined || dropEffect === "") {
this._dropEffect = "copy";
}
else {
this._dropEffect = dropEffect;
}
if (enable === undefined) {
this._enable = true;
}
else {
this._enable = enable;
}
// Add EventListeners for drag zone area
var divDropArea = this.dropRef.current;
if (this._enable === true) {
divDropArea.addEventListener('dragenter', this.handleonDragEnter);
divDropArea.addEventListener('dragleave', this.handleonDragLeave);
divDropArea.addEventListener('dragover', this.handleonDragOver);
divDropArea.addEventListener('drop', this.handleonDrop);
}
};
/**
* Default React component render method
*/
DragDropFiles.prototype.render = function () {
var dragStatus = this.state.dragStatus;
var _a = this.props, labelMessage = _a.labelMessage, iconName = _a.iconName;
if (labelMessage === undefined || labelMessage === "") {
this._LabelMessage = "";
}
else {
this._LabelMessage = labelMessage;
}
if (iconName === undefined || iconName === "") {
this._IconName = "";
}
else {
this._IconName = iconName;
}
return (React.createElement("div", { className: (dragStatus && this._enable) ? styles.DragDropFilesArea : styles.DragDropFilesAreaLeave, ref: this.dropRef },
(dragStatus && this._enable) &&
React.createElement("div", { className: styles.DragDropFilesAreaBorder },
React.createElement("div", { className: styles.DragDropFilesAreaZone },
React.createElement(Icon, { iconName: this._IconName, className: "ms-IconExample" }),
React.createElement("div", null, this._LabelMessage))),
this.props.children));
};
return DragDropFiles;
}(React.Component));
export { DragDropFiles };
//# sourceMappingURL=DragDropFiles.js.map