550 lines
18 KiB
Vue
Executable File
550 lines
18 KiB
Vue
Executable File
<template>
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<div v-if="isAdvanced" class="p-fileupload p-fileupload-advanced p-component">
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<input ref="fileInput" type="file" @change="onFileSelect" :multiple="multiple" :accept="accept" :disabled="chooseDisabled" />
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<div class="p-fileupload-buttonbar">
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<slot name="header" :files="files" :uploadedFiles="uploadedFiles" :chooseCallback="choose" :uploadCallback="upload" :clearCallback="clear">
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<span v-ripple :class="advancedChooseButtonClass" :style="style" @click="choose" @keydown.enter="choose" @focus="onFocus" @blur="onBlur" tabindex="0">
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<span :class="advancedChooseIconClass"></span>
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<span class="p-button-label">{{ chooseButtonLabel }}</span>
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</span>
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<FileUploadButton v-if="showUploadButton" :label="uploadButtonLabel" :icon="uploadIcon" @click="upload" :disabled="uploadDisabled" />
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<FileUploadButton v-if="showCancelButton" :label="cancelButtonLabel" :icon="cancelIcon" @click="clear" :disabled="cancelDisabled" />
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</slot>
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</div>
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<div ref="content" class="p-fileupload-content" @dragenter="onDragEnter" @dragover="onDragOver" @dragleave="onDragLeave" @drop="onDrop">
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<slot name="content" :files="files" :uploadedFiles="uploadedFiles" :removeUploadedFileCallback="removeUploadedFile" :removeFileCallback="remove" :progress="progress" :messages="messages">
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<FileUploadProgressBar v-if="hasFiles" :value="progress" :showValue="false" />
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<FileUploadMessage v-for="msg of messages" :key="msg" severity="error" @close="onMessageClose">{{ msg }}</FileUploadMessage>
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<FileContent v-if="hasFiles" :files="files" @remove="remove" :badgeValue="pendingLabel" :previewWidth="previewWidth" />
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<FileContent :files="uploadedFiles" @remove="removeUploadedFile" :badgeValue="completedLabel" badgeSeverity="success" :previewWidth="previewWidth" />
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</slot>
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<div v-if="$slots.empty && !hasFiles && !hasUploadedFiles" class="p-fileupload-empty">
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<slot name="empty"></slot>
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</div>
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</div>
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</div>
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<div v-else-if="isBasic" class="p-fileupload p-fileupload-basic p-component">
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<FileUploadMessage v-for="msg of messages" :key="msg" severity="error" @close="onMessageClose">{{ msg }}</FileUploadMessage>
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<span v-ripple :class="basicChooseButtonClass" :style="style" @mouseup="onBasicUploaderClick" @keydown.enter="choose" @focus="onFocus" @blur="onBlur" tabindex="0">
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<span :class="basicChooseButtonIconClass"></span>
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<span class="p-button-label">{{ basicChooseButtonLabel }}</span>
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<input v-if="!hasFiles" ref="fileInput" type="file" :accept="accept" :disabled="disabled" :multiple="multiple" @change="onFileSelect" @focus="onFocus" @blur="onBlur" />
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</span>
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</div>
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</template>
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<script>
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import Button from 'primevue/button';
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import Message from 'primevue/message';
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import ProgressBar from 'primevue/progressbar';
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import Ripple from 'primevue/ripple';
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import { DomHandler } from 'primevue/utils';
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import FileContent from './FileContent.vue';
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export default {
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name: 'FileUpload',
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emits: ['select', 'uploader', 'before-upload', 'progress', 'upload', 'error', 'before-send', 'clear', 'remove', 'remove-uploaded-file'],
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props: {
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name: {
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type: String,
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default: null
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},
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url: {
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type: String,
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default: null
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},
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mode: {
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type: String,
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default: 'advanced'
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},
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multiple: {
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type: Boolean,
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default: false
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},
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accept: {
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type: String,
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default: null
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},
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disabled: {
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type: Boolean,
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default: false
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},
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auto: {
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type: Boolean,
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default: false
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},
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maxFileSize: {
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type: Number,
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default: null
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},
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invalidFileSizeMessage: {
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type: String,
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default: '{0}: Invalid file size, file size should be smaller than {1}.'
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},
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invalidFileTypeMessage: {
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type: String,
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default: '{0}: Invalid file type, allowed file types: {1}.'
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},
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fileLimit: {
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type: Number,
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default: null
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},
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invalidFileLimitMessage: {
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type: String,
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default: 'Maximum number of files exceeded, limit is {0} at most.'
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},
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withCredentials: {
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type: Boolean,
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default: false
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},
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previewWidth: {
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type: Number,
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default: 50
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},
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chooseLabel: {
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type: String,
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default: null
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},
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uploadLabel: {
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type: String,
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default: null
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},
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cancelLabel: {
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type: String,
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default: null
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},
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customUpload: {
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type: Boolean,
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default: false
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},
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showUploadButton: {
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type: Boolean,
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default: true
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},
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showCancelButton: {
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type: Boolean,
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default: true
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},
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chooseIcon: {
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type: String,
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default: 'pi pi-plus'
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},
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uploadIcon: {
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type: String,
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default: 'pi pi-upload'
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},
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cancelIcon: {
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type: String,
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default: 'pi pi-times'
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},
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style: null,
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class: null
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},
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duplicateIEEvent: false,
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data() {
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return {
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uploadedFileCount: 0,
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files: [],
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messages: [],
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focused: false,
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progress: null,
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uploadedFiles: []
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};
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},
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methods: {
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onFileSelect(event) {
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if (event.type !== 'drop' && this.isIE11() && this.duplicateIEEvent) {
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this.duplicateIEEvent = false;
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return;
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}
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this.messages = [];
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this.files = this.files || [];
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let files = event.dataTransfer ? event.dataTransfer.files : event.target.files;
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for (let file of files) {
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if (!this.isFileSelected(file)) {
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if (this.validate(file)) {
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if (this.isImage(file)) {
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file.objectURL = window.URL.createObjectURL(file);
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}
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this.files.push(file);
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}
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}
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}
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this.$emit('select', { originalEvent: event, files: this.files });
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if (this.fileLimit) {
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this.checkFileLimit();
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}
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if (this.auto && this.hasFiles && !this.isFileLimitExceeded()) {
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this.upload();
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}
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if (event.type !== 'drop' && this.isIE11()) {
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this.clearIEInput();
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} else {
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this.clearInputElement();
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}
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},
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choose() {
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this.$refs.fileInput.click();
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},
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upload() {
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if (this.customUpload) {
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if (this.fileLimit) {
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this.uploadedFileCount += this.files.length;
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}
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this.$emit('uploader', { files: this.files });
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this.clear();
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} else {
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let xhr = new XMLHttpRequest();
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let formData = new FormData();
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this.$emit('before-upload', {
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xhr: xhr,
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formData: formData
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});
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for (let file of this.files) {
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formData.append(this.name, file, file.name);
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}
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xhr.upload.addEventListener('progress', (event) => {
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if (event.lengthComputable) {
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this.progress = Math.round((event.loaded * 100) / event.total);
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}
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this.$emit('progress', {
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originalEvent: event,
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progress: this.progress
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});
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});
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xhr.onreadystatechange = () => {
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if (xhr.readyState === 4) {
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this.progress = 0;
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if (xhr.status >= 200 && xhr.status < 300) {
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if (this.fileLimit) {
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this.uploadedFileCount += this.files.length;
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}
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this.$emit('upload', {
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xhr: xhr,
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files: this.files
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});
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} else {
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this.$emit('error', {
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xhr: xhr,
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files: this.files
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});
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}
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this.uploadedFiles.push(...this.files);
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this.clear();
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}
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};
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xhr.open('POST', this.url, true);
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this.$emit('before-send', {
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xhr: xhr,
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formData: formData
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});
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xhr.withCredentials = this.withCredentials;
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xhr.send(formData);
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}
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},
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clear() {
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this.files = [];
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this.messages = null;
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this.$emit('clear');
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if (this.isAdvanced) {
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this.clearInputElement();
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}
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},
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onFocus() {
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this.focused = true;
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},
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onBlur() {
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this.focused = false;
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},
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isFileSelected(file) {
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if (this.files && this.files.length) {
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for (let sFile of this.files) {
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if (sFile.name + sFile.type + sFile.size === file.name + file.type + file.size) return true;
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}
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}
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return false;
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},
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isIE11() {
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return !!window['MSInputMethodContext'] && !!document['documentMode'];
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},
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validate(file) {
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if (this.accept && !this.isFileTypeValid(file)) {
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this.messages.push(this.invalidFileTypeMessage.replace('{0}', file.name).replace('{1}', this.accept));
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return false;
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}
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if (this.maxFileSize && file.size > this.maxFileSize) {
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this.messages.push(this.invalidFileSizeMessage.replace('{0}', file.name).replace('{1}', this.formatSize(this.maxFileSize)));
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return false;
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}
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return true;
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},
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isFileTypeValid(file) {
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let acceptableTypes = this.accept.split(',').map((type) => type.trim());
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for (let type of acceptableTypes) {
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let acceptable = this.isWildcard(type) ? this.getTypeClass(file.type) === this.getTypeClass(type) : file.type == type || this.getFileExtension(file).toLowerCase() === type.toLowerCase();
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if (acceptable) {
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return true;
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}
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}
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return false;
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},
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getTypeClass(fileType) {
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return fileType.substring(0, fileType.indexOf('/'));
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},
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isWildcard(fileType) {
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return fileType.indexOf('*') !== -1;
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},
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getFileExtension(file) {
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return '.' + file.name.split('.').pop();
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},
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isImage(file) {
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return /^image\//.test(file.type);
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},
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onDragEnter(event) {
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if (!this.disabled) {
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event.stopPropagation();
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event.preventDefault();
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}
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},
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onDragOver(event) {
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if (!this.disabled) {
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DomHandler.addClass(this.$refs.content, 'p-fileupload-highlight');
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event.stopPropagation();
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event.preventDefault();
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}
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},
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onDragLeave() {
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if (!this.disabled) {
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DomHandler.removeClass(this.$refs.content, 'p-fileupload-highlight');
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}
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},
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onDrop(event) {
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if (!this.disabled) {
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DomHandler.removeClass(this.$refs.content, 'p-fileupload-highlight');
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event.stopPropagation();
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event.preventDefault();
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const files = event.dataTransfer ? event.dataTransfer.files : event.target.files;
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const allowDrop = this.multiple || (files && files.length === 1);
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if (allowDrop) {
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this.onFileSelect(event);
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}
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}
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},
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onBasicUploaderClick() {
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if (this.hasFiles) this.upload();
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else this.$refs.fileInput.click();
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},
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remove(index) {
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this.clearInputElement();
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let removedFile = this.files.splice(index, 1)[0];
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this.files = [...this.files];
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this.$emit('remove', {
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file: removedFile,
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files: this.files
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});
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},
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removeUploadedFile(index) {
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let removedFile = this.uploadedFiles.splice(index, 1)[0];
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this.uploadedFiles = [...this.uploadedFiles];
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this.$emit('remove-uploaded-file', {
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file: removedFile,
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files: this.uploadedFiles
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});
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},
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clearInputElement() {
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this.$refs.fileInput.value = '';
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},
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clearIEInput() {
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if (this.$refs.fileInput) {
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this.duplicateIEEvent = true; //IE11 fix to prevent onFileChange trigger again
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this.$refs.fileInput.value = '';
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}
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},
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formatSize(bytes) {
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if (bytes === 0) {
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return '0 B';
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}
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let k = 1000,
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dm = 3,
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sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'],
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i = Math.floor(Math.log(bytes) / Math.log(k));
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return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i];
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},
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isFileLimitExceeded() {
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if (this.fileLimit && this.fileLimit <= this.files.length + this.uploadedFileCount && this.focused) {
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this.focused = false;
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}
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return this.fileLimit && this.fileLimit < this.files.length + this.uploadedFileCount;
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},
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checkFileLimit() {
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if (this.isFileLimitExceeded()) {
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this.messages.push(this.invalidFileLimitMessage.replace('{0}', this.fileLimit.toString()));
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}
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},
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onMessageClose() {
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this.messages = null;
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}
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},
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computed: {
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isAdvanced() {
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return this.mode === 'advanced';
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},
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isBasic() {
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return this.mode === 'basic';
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},
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advancedChooseButtonClass() {
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return [
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'p-button p-component p-fileupload-choose',
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this.class,
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{
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'p-disabled': this.disabled,
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'p-focus': this.focused
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}
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];
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},
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basicChooseButtonClass() {
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return [
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'p-button p-component p-fileupload-choose',
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this.class,
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{
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'p-fileupload-choose-selected': this.hasFiles,
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'p-disabled': this.disabled,
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'p-focus': this.focused
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}
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];
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},
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advancedChooseIconClass() {
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return ['p-button-icon p-button-icon-left pi-fw', this.chooseIcon];
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},
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basicChooseButtonIconClass() {
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return ['p-button-icon p-button-icon-left', !this.hasFiles || this.auto ? this.uploadIcon : this.chooseIcon];
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},
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basicChooseButtonLabel() {
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return this.auto ? this.chooseButtonLabel : this.hasFiles ? this.files.map((f) => f.name).join(', ') : this.chooseButtonLabel;
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},
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hasFiles() {
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return this.files && this.files.length > 0;
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},
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hasUploadedFiles() {
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return this.uploadedFiles && this.uploadedFiles.length > 0;
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},
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chooseDisabled() {
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return this.disabled || (this.fileLimit && this.fileLimit <= this.files.length + this.uploadedFileCount);
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},
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uploadDisabled() {
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return this.disabled || !this.hasFiles || (this.fileLimit && this.fileLimit < this.files.length);
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},
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cancelDisabled() {
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return this.disabled || !this.hasFiles;
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},
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chooseButtonLabel() {
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return this.chooseLabel || this.$primevue.config.locale.choose;
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},
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uploadButtonLabel() {
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return this.uploadLabel || this.$primevue.config.locale.upload;
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},
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cancelButtonLabel() {
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return this.cancelLabel || this.$primevue.config.locale.cancel;
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},
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completedLabel() {
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return this.$primevue.config.locale.completed;
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},
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pendingLabel() {
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return this.$primevue.config.locale.pending;
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}
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},
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components: {
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FileUploadButton: Button,
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FileUploadProgressBar: ProgressBar,
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FileUploadMessage: Message,
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FileContent
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},
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directives: {
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ripple: Ripple
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}
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};
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</script>
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<style>
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.p-fileupload-content {
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position: relative;
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}
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.p-fileupload-content .p-progressbar {
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width: 100%;
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position: absolute;
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top: 0;
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left: 0;
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}
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.p-button.p-fileupload-choose {
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position: relative;
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overflow: hidden;
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}
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.p-fileupload-buttonbar {
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display: flex;
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flex-wrap: wrap;
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}
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.p-fileupload > input[type='file'],
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.p-fileupload-basic input[type='file'] {
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display: none;
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}
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.p-fluid .p-fileupload .p-button {
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width: auto;
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}
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.p-fileupload-file {
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display: flex;
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flex-wrap: wrap;
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align-items: center;
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}
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.p-fileupload-file-thumbnail {
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flex-shrink: 0;
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}
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.p-fileupload-file-actions {
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margin-left: auto;
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}
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</style>
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