530 lines
17 KiB
Vue
530 lines
17 KiB
Vue
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<template>
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<div class="p-fileupload p-fileupload-advanced p-component" v-if="isAdvanced">
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<div class="p-fileupload-buttonbar">
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<span :class="advancedChooseButtonClass" :style="style" @click="choose" @keydown.enter="choose" @focus="onFocus" @blur="onBlur" v-ripple tabindex="0">
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<input ref="fileInput" type="file" @change="onFileSelect" :multiple="multiple" :accept="accept" :disabled="chooseDisabled" />
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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 :label="uploadButtonLabel" :icon="uploadIcon" @click="upload" :disabled="uploadDisabled" v-if="showUploadButton" />
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<FileUploadButton :label="cancelButtonLabel" :icon="cancelIcon" @click="clear" :disabled="cancelDisabled" v-if="showCancelButton" />
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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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<FileUploadProgressBar :value="progress" v-if="hasFiles" />
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<FileUploadMessage v-for="msg of messages" severity="error" :key="msg" @close="onMessageClose">{{msg}}</FileUploadMessage>
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<div class="p-fileupload-files" v-if="hasFiles">
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<div class="p-fileupload-row" v-for="(file, index) of files" :key="file.name + file.type + file.size">
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<div>
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<img v-if="isImage(file)" role="presentation" :alt="file.name" :src="file.objectURL" :width="previewWidth" />
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</div>
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<div class="p-fileupload-filename">{{file.name}}</div>
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<div>{{formatSize(file.size)}}</div>
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<div>
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<FileUploadButton type="button" icon="pi pi-times" @click="remove(index)" />
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</div>
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</div>
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</div>
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<div class="p-fileupload-empty" v-if="$slots.empty && !hasFiles">
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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 class="p-fileupload p-fileupload-basic p-component" v-else-if="isBasic">
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<FileUploadMessage v-for="msg of messages" severity="error" :key="msg" @close="onMessageClose">{{msg}}</FileUploadMessage>
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<span :class="basicChooseButtonClass" :style="style" @mouseup="onBasicUploaderClick" @keydown.enter="choose" @focus="onFocus" @blur="onBlur" v-ripple 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 ref="fileInput" type="file" :accept="accept" :disabled="disabled" :multiple="multiple" @change="onFileSelect" @focus="onFocus" @blur="onBlur" v-if="!hasFiles" />
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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 ProgressBar from 'primevue/progressbar';
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import Message from 'primevue/message';
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import {DomHandler} from 'primevue/utils';
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import Ripple from 'primevue/ripple';
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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'],
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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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}
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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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}
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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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}
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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.$emit('upload', {
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xhr: xhr,
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files: this.files
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});
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}
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else {
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this.$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.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))
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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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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)
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: 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.$refs.content, 'p-fileupload-highlight');
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event.stopPropagation();
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event.preventDefault();
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const files = event.dataTransfer ? event.dataTransfer.files : event.target.files;
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const allowDrop = this.multiple || (files && files.length === 1);
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if (allowDrop) {
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this.onFileSelect(event);
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}
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}
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},
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onBasicUploaderClick() {
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if (this.hasFiles)
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this.upload();
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else
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this.$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.$emit('remove', {
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file: removedFile,
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files: this.files
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});
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},
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clearInputElement() {
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this.$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,
|
||
|
|
dm = 3,
|
||
|
|
sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'],
|
||
|
|
i = Math.floor(Math.log(bytes) / Math.log(k));
|
||
|
|
|
||
|
|
return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i];
|
||
|
|
},
|
||
|
|
isFileLimitExceeded() {
|
||
|
|
if (this.fileLimit && this.fileLimit <= this.files.length + this.uploadedFileCount && this.focused) {
|
||
|
|
this.focused = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return this.fileLimit && this.fileLimit < this.files.length + this.uploadedFileCount;
|
||
|
|
},
|
||
|
|
checkFileLimit() {
|
||
|
|
if (this.isFileLimitExceeded()) {
|
||
|
|
this.messages.push(this.invalidFileLimitMessage.replace('{0}', this.fileLimit.toString()))
|
||
|
|
}
|
||
|
|
},
|
||
|
|
onMessageClose() {
|
||
|
|
this.messages = null;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
computed: {
|
||
|
|
isAdvanced() {
|
||
|
|
return this.mode === 'advanced';
|
||
|
|
},
|
||
|
|
isBasic() {
|
||
|
|
return this.mode === 'basic';
|
||
|
|
},
|
||
|
|
advancedChooseButtonClass() {
|
||
|
|
return ['p-button p-component p-fileupload-choose', this.class, {
|
||
|
|
'p-disabled': this.disabled,
|
||
|
|
'p-focus': this.focused
|
||
|
|
}
|
||
|
|
];
|
||
|
|
},
|
||
|
|
basicChooseButtonClass() {
|
||
|
|
return ['p-button p-component p-fileupload-choose', this.class, {
|
||
|
|
'p-fileupload-choose-selected': this.hasFiles,
|
||
|
|
'p-disabled': this.disabled,
|
||
|
|
'p-focus': this.focused
|
||
|
|
}];
|
||
|
|
},
|
||
|
|
advancedChooseIconClass() {
|
||
|
|
return ['p-button-icon p-button-icon-left pi-fw', this.chooseIcon];
|
||
|
|
},
|
||
|
|
basicChooseButtonIconClass() {
|
||
|
|
return ['p-button-icon p-button-icon-left',
|
||
|
|
!this.hasFiles || this.auto ? this.uploadIcon : this.chooseIcon
|
||
|
|
];
|
||
|
|
},
|
||
|
|
basicChooseButtonLabel() {
|
||
|
|
return this.auto ? this.chooseButtonLabel : (this.hasFiles ? this.files.map(f => f.name).join(', ') : this.chooseButtonLabel);
|
||
|
|
},
|
||
|
|
hasFiles() {
|
||
|
|
return this.files && this.files.length > 0;
|
||
|
|
},
|
||
|
|
chooseDisabled() {
|
||
|
|
return this.disabled || (this.fileLimit && this.fileLimit <= this.files.length + this.uploadedFileCount);
|
||
|
|
},
|
||
|
|
uploadDisabled() {
|
||
|
|
return this.disabled || !this.hasFiles || (this.fileLimit && this.fileLimit < this.files.length);
|
||
|
|
},
|
||
|
|
cancelDisabled() {
|
||
|
|
return this.disabled || !this.hasFiles;
|
||
|
|
},
|
||
|
|
chooseButtonLabel() {
|
||
|
|
return this.chooseLabel || this.$primevue.config.locale.choose;
|
||
|
|
},
|
||
|
|
uploadButtonLabel() {
|
||
|
|
return this.uploadLabel || this.$primevue.config.locale.upload;
|
||
|
|
},
|
||
|
|
cancelButtonLabel() {
|
||
|
|
return this.cancelLabel || this.$primevue.config.locale.cancel;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
components: {
|
||
|
|
'FileUploadButton': Button,
|
||
|
|
'FileUploadProgressBar': ProgressBar,
|
||
|
|
'FileUploadMessage': Message
|
||
|
|
},
|
||
|
|
directives: {
|
||
|
|
'ripple': Ripple
|
||
|
|
}
|
||
|
|
}
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<style>
|
||
|
|
.p-fileupload-content {
|
||
|
|
position: relative;
|
||
|
|
}
|
||
|
|
|
||
|
|
.p-fileupload-row {
|
||
|
|
display: flex;
|
||
|
|
align-items: center;
|
||
|
|
}
|
||
|
|
|
||
|
|
.p-fileupload-row > div {
|
||
|
|
flex: 1 1 auto;
|
||
|
|
width: 25%;
|
||
|
|
}
|
||
|
|
|
||
|
|
.p-fileupload-row > div:last-child {
|
||
|
|
text-align: right;
|
||
|
|
}
|
||
|
|
|
||
|
|
.p-fileupload-content .p-progressbar {
|
||
|
|
width: 100%;
|
||
|
|
position: absolute;
|
||
|
|
top: 0;
|
||
|
|
left: 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
.p-button.p-fileupload-choose {
|
||
|
|
position: relative;
|
||
|
|
overflow: hidden;
|
||
|
|
}
|
||
|
|
|
||
|
|
.p-button.p-fileupload-choose input[type=file] {
|
||
|
|
display: none;
|
||
|
|
}
|
||
|
|
|
||
|
|
.p-fileupload-choose.p-fileupload-choose-selected input[type=file] {
|
||
|
|
display: none;
|
||
|
|
}
|
||
|
|
|
||
|
|
.p-fileupload-filename {
|
||
|
|
word-break: break-all;
|
||
|
|
}
|
||
|
|
|
||
|
|
.p-fluid .p-fileupload .p-button {
|
||
|
|
width: auto;
|
||
|
|
}
|
||
|
|
</style>
|