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function plugin(UIkit) {
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if (plugin.installed) {
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return;
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}
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var {$, ajax, on} = UIkit.util;
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UIkit.component('upload', {
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props: {
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allow: String,
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clsDragover: String,
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concurrent: Number,
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dataType: String,
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mime: String,
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msgInvalidMime: String,
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msgInvalidName: String,
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multiple: Boolean,
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name: String,
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params: Object,
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type: String,
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url: String
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},
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defaults: {
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allow: false,
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clsDragover: 'uk-dragover',
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concurrent: 1,
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dataType: undefined,
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mime: false,
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msgInvalidMime: 'Invalid File Type: %s',
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msgInvalidName: 'Invalid File Name: %s',
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multiple: false,
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name: 'files[]',
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params: {},
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type: 'POST',
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url: '',
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abort: null,
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beforeAll: null,
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beforeSend: null,
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complete: null,
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completeAll: null,
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error: null,
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fail(msg) {
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alert(msg);
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},
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load: null,
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loadEnd: null,
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loadStart: null,
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progress: null
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},
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events: {
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change(e) {
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if (!$(e.target).is('input[type="file"]')) {
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return;
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}
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e.preventDefault();
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if (e.target.files) {
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this.upload(e.target.files);
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}
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e.target.value = '';
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},
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drop(e) {
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e.preventDefault();
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e.stopPropagation();
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var transfer = e.originalEvent.dataTransfer;
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if (!transfer || !transfer.files) {
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return;
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}
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this.$el.removeClass(this.clsDragover);
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this.upload(transfer.files);
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},
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dragenter(e) {
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e.preventDefault();
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e.stopPropagation();
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},
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dragover(e) {
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e.preventDefault();
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e.stopPropagation();
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this.$el.addClass(this.clsDragover);
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},
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dragleave(e) {
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e.preventDefault();
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e.stopPropagation();
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this.$el.removeClass(this.clsDragover);
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}
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},
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methods: {
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upload(files) {
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if (!files.length) {
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return;
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}
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this.$el.trigger('upload', [files]);
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for (var i = 0; i < files.length; i++) {
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if (this.allow) {
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if (!match(this.allow, files[i].name)) {
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this.fail(this.msgInvalidName.replace(/%s/, this.allow));
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return;
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}
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}
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if (this.mime) {
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if (!match(this.mime, files[i].type)) {
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this.fail(this.msgInvalidMime.replace(/%s/, this.mime));
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return;
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}
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}
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}
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if (!this.multiple) {
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files = [files[0]];
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}
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this.beforeAll && this.beforeAll(this, files);
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var chunks = chunk(files, this.concurrent),
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upload = files => {
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var data = new FormData();
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files.forEach(file => data.append(this.name, file));
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for (var key in this.params) {
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data.append(key, this.params[key]);
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}
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ajax({
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data,
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url: this.url,
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type: this.type,
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dataType: this.dataType,
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beforeSend: this.beforeSend,
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complete: [this.complete, (xhr, status) => {
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if (chunks.length) {
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upload(chunks.shift());
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} else {
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this.completeAll && this.completeAll(xhr);
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}
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if (status === 'abort') {
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this.abort && this.abort(xhr);
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}
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}],
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cache: false,
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contentType: false,
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processData: false,
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xhr: () => {
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var xhr = $.ajaxSettings.xhr();
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xhr.upload && this.progress && on(xhr.upload, 'progress', this.progress);
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['loadStart', 'load', 'loadEnd', 'error', 'abort'].forEach(type => this[type] && on(xhr, type.toLowerCase(), this[type]));
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return xhr;
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}
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})
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};
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upload(chunks.shift());
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}
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}
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});
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function match(pattern, path) {
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return path.match(new RegExp(`^${pattern.replace(/\//g, '\\/').replace(/\*\*/g, '(\\/[^\\/]+)*').replace(/\*/g, '[^\\/]+').replace(/((?!\\))\?/g, '$1.')}$`, 'i'));
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}
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function chunk(files, size) {
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var chunks = [];
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for (var i = 0; i < files.length; i += size) {
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var chunk = [];
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for (var j = 0; j < size; j++) {
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chunk.push(files[i+j]);
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}
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chunks.push(chunk);
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}
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return chunks;
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}
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}
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if (!BUNDLED && typeof window !== 'undefined' && window.UIkit) {
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window.UIkit.use(plugin);
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}
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export default plugin;
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