Ngx-upload is a module for the Angular framework. Ngx-upload supports drag and drop, upload progress and manages a file upload queue for you. Ngx-upload is bound to anyone presentation framework but you can use it with ng(x)-bootstrap or Angular Material Design without any problems.
Ngx-upload follows the same update cycle than Angular. Thereby, Ngx-upload 9.x.x is compatible with Angular 9, Ngx-upload 10.x.x is compatible with Angular 10, ...
Install through npm:
npm install @wkoza/ngx-upload
OR
yarn add @wkoza/ngx-upload
Just include NgxUploadModule in your root module with HttpClientModule and (FormsModule or ReactiveFormsModule):
import {BrowserModule} from '@angular/platform-browser';
import {NgModule} from '@angular/core';
import {HttpClientModule} from '@angular/common/http';
import {FormsModule} from '@angular/forms';
import {NgxUploadModule} from '@wkoza/ngx-upload';
@NgModule({
imports: [
BrowserModule,
HttpClientModule,
FormsModule, // or ReactiveFormsModule
NgxUploadModule.forRoot()
]
})
export class AppModule {}Remenber: When you are in a sub module, you haven't to call the forRoot() method. You just have to import NgxUploadModule.
Ngx-upload also proposes to configure the drop zone aspect. Then, you can change the css class of your drop zone regarding the drop event:
- When you drag a file
- When you drop a file
- In other cases
For this, you should add the configuration object DropTargetOptions like this :
import {BrowserModule} from '@angular/platform-browser';
import {NgModule} from '@angular/core';
import {HttpClientModule} from '@angular/common/http';
import {FormsModule} from '@angular/forms';
import {NgxUploadModule, MineTypeEnum, DropTargetOptions} from '@wkoza/ngx-upload';
export const ngxDropTargetOptions: DropTargetOptions = {
color: 'dropZoneColor',
colorDrag: 'dropZoneColorDrag',
colorDrop: 'dropZoneColorDrop',
multiple: true,
accept: [MineTypeEnum.Image, MineTypeEnum.Application_Pdf]
};
@NgModule({
imports: [
BrowserModule,
HttpClientModule,
FormsModule, // or ReactiveFormsModule
NgxUploadModule.forRoot(ngxDropTargetOptions)
]
})
export class AppModule {}In this example, you should also declare these css classes in your own css :
.dropZoneColor {
border: 3px dotted rgba(0,0,0,0.08);
background-color: rgba(0,0,0,0.12)
}
.dropZoneColorDrag {
border: 3px dotted rgba(0,0,0,0.28);
background-color: grey
}
.dropZoneColorDrop {
border: 3px dotted rgba(0,0,0,0.08);
background-color: rgba(0,0,0,0.12)
}There are also 4 properties:
acceptOne or more unique file type specifiers describing file types to allowcaptureWhat source to use for capturing image or video datamultipleA Boolean which, if present, indicates that the user may choose more than one file. Defaulttrue.disableMultipart. Ngx-uploader uses, by default, the content-typemultipartwhen it sends a file. This boolean allows to change the content-type of the request by the type of the file when its value istrue.
Ngx-upload offers one directive for your drop zone called ngxDragAndDrop. It allows to add the files in the upload queue. During the drop event, it throws an event called onDrop that you can catch :
<form>
...
<div class="my-drop-zone" ngxDragAndDrop>
Drop files here to upload
</div>
</form>To finish, we can overwrite the DropTargetOptions for a specific case with this property binding :
<div class="my-drop-zone" [ngxDragAndDrop]="options">
Drop files here to upload
</div>Ngx-upload offers one directive which allows the user to choose one or more files from their device storage. This structural directive can be use like this :
<form>
...
<div class="my-drop-zone" ngxDragAndDrop *ngxInputFile>
Drop files here to upload
</div>
</form>or like that with bootstrap:
<form>
...
<span class="btn btn-outline-success btn-s" *ngxInputFile>Upload local files</span>
</form>and with Material
<form>
...
<button mat-raised-button [color]="'primary'" >
<ng-template ngxInputFile> Upload local files</ng-template>
</button>
</form>*ngxInputFile supports a configuration object of type InputFileOptions. For instance:
optionsInput: InputFileOptions = {
multiple: true,
accept: [MineTypeEnum.Image, MineTypeEnum.Application_Pdf]
};There are 3 properties:
acceptOne or more unique file type specifiers describing file types to allowcaptureWhat source to use for capturing image or video datamultipleA Boolean which, if present, indicates that the user may choose more than one file. Defaulttrue.
Each file is added to a queue that you can manage with uploader service. Here is an example :
<div class="col-md-9" style="margin-bottom: 40px">
<h3>Upload queue <span *ngIf="uploader.queue.length>0"> - {{ uploader.queue.length }} item(s)</span></h3>
<div class="card text-right">
<div style="margin: 15px">
<ngb-progressbar showValue="true" type="success" [striped]="true" [animated]="true"
[value]="uploader.progressTotal"></ngb-progressbar>
</div>
<div class="card-block">
<button type="button" class="btn btn-outline-success btn-s" (click)="uploader.uploadAll({method: 'POST', url: 'my_url'})"
[disabled]="!activeUploadAllBtn()">
Upload all
</button>
<button type="button" class="btn btn-outline-warning btn-s" (click)="uploader.cancelAll()"
[disabled]="!activeCancelAllBtn()">
Cancel all
</button>
<button type="button" class="btn btn-outline-danger btn-s" (click)="uploader.removeAllFromQueue()"
[disabled]="!activeRemoveAllBtn()">
Remove all
</button>
</div>
</div>
<div class="card" style="margin-top: 20px">
<table class="table" style="font-size: 14px">
<thead>
<tr>
<th></th>
<th width="50%">Name</th>
<th>Size</th>
<th>Progress</th>
<th>Actions</th>
</tr>
</thead>
<tbody>
<tr *ngFor="let itemFile of uploader.queue"
[ngClass]="{'table-success' : itemFile.isSuccess, 'table-danger' : itemFile.isError, 'table-warning' : itemFile.isUploading }">
<td>
<div [ngxThumbnail]="itemFile"></div>
</td>
<td>{{ itemFile.file.name }}</td>
<td>{{ itemFile.file.size/1024/1024 | number:'1.0-2' }} MB</td>
<td>
<div>
<ngb-progressbar type="success" showValue="true"
[striped]="true" [animated]="true"
[value]="itemFile.progress">
</ngb-progressbar>
</div>
</td>
<td style="text-align: center">
<button type="button" class="btn btn-outline-success btn-sm" (click)="itemFile.upload({method: 'POST', url: 'my_url'})"
[disabled]="!itemFile.isReady">
Upload
</button>
<button type="button" class="btn btn-outline-warning btn-sm" (click)="itemFile.cancel()"
[disabled]="!itemFile.uploadInProgress || itemFile.isCancel">
Cancel
</button>
<button type="button" class="btn btn-outline-danger btn-sm" (click)="itemFile.remove()"
[disabled]="itemFile.isSuccess || itemFile.uploadInProgress">
Remove
</button>
</td>
</tr>
</tbody>
</table>
</div>
</div>upload or uploadAll method require a parameter with the type UploadEndPoint. It's your server's endpoint.
Take a look at those examples for more details :
Ngx-upload offers 7 Observable to handle a specific behavior :
- onCancel$ : This Observable emits when upload is canceled.
- onError$<{ item: FileItem, body: any, status: number, headers: any }> : This Observable emits on error during the upload process.
- onSuccess$<{ item: FileItem, body: any, status: number, headers: any }> : This Observable emits on success.
- onBeforeUploadItem$ : This Observable emits just before the upload process.
- onProgress$<{ item: FileItem, progress: number }> : This Observable emits during the upload process.
- onAddToQueue$<>: This Observable is trigged when a file is added in the queue.
- onDropError$<{ item?: File, errorAccept: boolean, errorMultiple: boolean }>: This Observable is trigged when a file is not accepted in the queue.
For example :
import { Component, OnInit } from '@angular/core';
import { FileItem, HttpClientUploadService } from '@wkoza/ngx-upload';
@Component({
selector: 'app-root',
templateUrl: './simple.component.html',
styleUrls: ['./simple.component.css']
})
export class SimpleBootstrapComponent implements OnInit {
constructor(public uploader: HttpClientUploadService) { }
ngOnInit() {
this.uploader.onCancel$.subscribe(
(data: FileItem) => {
console.log('file deleted: ' + data.file);
});
this.uploader.onProgress$.subscribe(
(data: any) => {
console.log('upload file in progree: ' + data.progress);
});
this.uploader.onSuccess$.subscribe(
(data: any) => {
console.log(`upload file successful: ${data.item} ${data.body} ${data.status} ${data.headers}`);
}
);
}
}All documentation is auto-generated from the source via compodoc and can be viewed here: https://ngx-upload.github.io/docs/
MIT
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