georgipeltekov
Overview
An Angular 7 module for simple desktop file and folder drag and drop. This library does not need rxjs-compat.
For Angular 6, 5 and 4 support please use older versions.
This library relies on HTML 5 File API thus IE and Safari are not supported
DEMO
You can check the DEMO of the library
Installation
npm install ngx-file-drop --saveUsage
Importing The 'ngx-file-drop' Module
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { FormsModule } from '@angular/forms';
import { HttpClientModule } from '@angular/common/http';
import { AppComponent } from './app.component';
import { FileDropModule } from 'ngx-file-drop';
@NgModule({
declarations: [
AppComponent
],
imports: [
BrowserModule,
FormsModule,
HttpClientModule,
FileDropModule
],
providers: [],
bootstrap: [AppComponent]
})
export class AppModule { }
Enabling File Drag
import { Component } from '@angular/core';
import { UploadEvent, UploadFile, FileSystemFileEntry, FileSystemDirectoryEntry } from 'ngx-file-drop';
@Component({
selector: 'demo-root',
templateUrl: './app.component.html',
styleUrls: ['./app.component.scss']
})
export class AppComponent {
public files: UploadFile[] = [];
public dropped(event: UploadEvent) {
this.files = event.files;
for (const droppedFile of event.files) {
// Is it a file?
if (droppedFile.fileEntry.isFile) {
const fileEntry = droppedFile.fileEntry as FileSystemFileEntry;
fileEntry.file((file: File) => {
// Here you can access the real file
console.log(droppedFile.relativePath, file);
/**
// You could upload it like this:
const formData = new FormData()
formData.append('logo', file, relativePath)
// Headers
const headers = new HttpHeaders({
'security-token': 'mytoken'
})
this.http.post('https://mybackend.com/api/upload/sanitize-and-save-logo', formData, { headers: headers, responseType: 'blob' })
.subscribe(data => {
// Sanitized logo returned from backend
})
**/
});
} else {
// It was a directory (empty directories are added, otherwise only files)
const fileEntry = droppedFile.fileEntry as FileSystemDirectoryEntry;
console.log(droppedFile.relativePath, fileEntry);
}
}
}
public fileOver(event){
console.log(event);
}
public fileLeave(event){
console.log(event);
}
}
<div class="center">
<file-drop dropZoneLabel="Drop files here" (onFileDrop)="dropped($event)"
(onFileOver)="fileOver($event)" (onFileLeave)="fileLeave($event)">
<span>optional content (don't set dropZoneLabel then)</span>
</file-drop>
<div class="upload-table">
<table class="table">
<thead>
<tr>
<th>Name</th>
</tr>
</thead>
<tbody class="upload-name-style">
<tr *ngFor="let item of files; let i=index">
<td><strong>{{ item.relativePath }}</strong></td>
</tr>
</tbody>
</table>
</div>
</div>Parameters
| Name | Description | Example |
|---|---|---|
| (onFileDrop) | On drop function called after the files are read | (onFileDrop)="dropped($event)" |
| (onFileOver) | On drop over function | (onFileOver)="fileOver($event)" |
| (onFileLeave) | On drop leave function | (onFileLeave)="fileLeave($event)" |
| accept | String of accepted formats | accept="png" |
| dropZoneLabel | Text to be displayed inside the drop box | dropZoneLabel="Drop files here" |
| dropZoneClassName | Custom style class name(s) to be used on the "drop-zone" area | dropZoneClassName="my-style" |
| contentClassName | Custom style class name(s) to be used for the content area | contentClassName="my-style" |
| [disabled] | Conditionally disable the dropzone | [disabled]="condition" |
| [showBrowseBtn] | Whether browse file button should be shown | [showBrowseBtn]="true" |
| browseBtnClassName | Custom style class name(s) to be used for the button | browseBtnClassName="my-style" |
| browseBtnLabel | The label of the browse file button | browseBtnLabel="Browse files" |
| multiple | Whether multiple or single files are accepted | multiple="true" |
License
Change Log
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