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Input Style

Outlined

Filled

Free Themes

Built-in component themes created by the PrimeFaces Theme Designer.

Saga

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Legacy Free Themes

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FileUpload Drag and Drop

In supported browsers, a file can be selected by dragdrop from filesystem. FileUpload component itself is the drop zone.

SERVER API CLIENT API TAG VDL

dnd.xhtml
FileUploadView.java


<style>
    body .ui-inputfield.ui-state-drag {
        background: #ffffd6;
    }
</style>

<div class="card">
    <h:form>
        <p:growl id="messages" showDetail="true"/>

        <h5>Basic</h5>
        <p:fileUpload listener="#{fileUploadView.handleFileUpload}" mode="advanced" dragDropSupport="true"
                      update="messages">
                <p:validateFile sizeLimit="100000" allowTypes="/(\.|\/)(gif|jpeg|jpg|png)$/" />
        </p:fileUpload>

        <h5>Drop Zone</h5>
        <div class="ui-fluid">
            <div class="field">
                <p:inputTextarea id="customDropZone" widgetVar="textarea"
                                 rows="5" value="#{fileUploadView.dropZoneText}"/>
                <small>
                    Drop on the text area to upload, or
                    <p:link value="choose" onclick="PF('uploadDnd').show();return false" style="font-size:inherit"/>.
                </small>
            </div>
        </div>
        <p:fileUpload widgetVar="uploadDnd" listener="#{fileUploadView.handleFileUploadTextarea}"
                      sizeLimit="100000" allowTypes="/(\.|\/)(gif|jpeg|jpg|png)$/" dropZone="customDropZone"
                      style="display: none"/>
    </h:form>
</div>


package org.primefaces.showcase.view.file;

import jakarta.enterprise.context.RequestScoped;
import jakarta.faces.application.FacesMessage;
import jakarta.faces.context.FacesContext;
import jakarta.inject.Named;

import org.primefaces.PrimeFaces;
import org.primefaces.event.FileUploadEvent;
import org.primefaces.event.FilesUploadEvent;
import org.primefaces.model.file.UploadedFile;
import org.primefaces.model.file.UploadedFiles;
import org.primefaces.util.EscapeUtils;

@Named
@RequestScoped
public class FileUploadView {

    private UploadedFile file;
    private UploadedFiles files;
    private String dropZoneText = "Drop zone p:inputTextarea demo.";

    public void upload() {
        if (file != null) {
            FacesMessage message = new FacesMessage("Successful", file.getFileName() + " is uploaded.");
            FacesContext.getCurrentInstance().addMessage(null, message);
        }
    }

    public void uploadMultiple() {
        if (files != null) {
            for (UploadedFile f : files.getFiles()) {
                FacesMessage message = new FacesMessage("Successful", f.getFileName() + " is uploaded.");
                FacesContext.getCurrentInstance().addMessage(null, message);
            }
        }
    }

    public void handleFileUpload(FileUploadEvent event) {
        FacesMessage message = new FacesMessage("Successful", event.getFile().getFileName() + " is uploaded.");
        FacesContext.getCurrentInstance().addMessage(null, message);
    }

    public void handleFileUploadTextarea(FileUploadEvent event) {
        String jsVal = "PF('textarea').jq.val";
        String fileName = EscapeUtils.forJavaScript(event.getFile().getFileName());
        PrimeFaces.current().executeScript(jsVal + "(" + jsVal + "() + '\\n\\n" + fileName + " uploaded.')");
    }

    public void handleFilesUpload(FilesUploadEvent event) {
        for (UploadedFile f : event.getFiles().getFiles()) {
            FacesMessage message = new FacesMessage("Successful", f.getFileName() + " is uploaded.");
            FacesContext.getCurrentInstance().addMessage(null, message);
        }
    }

    public UploadedFile getFile() {
        return file;
    }

    public void setFile(UploadedFile file) {
        this.file = file;
    }

    public UploadedFiles getFiles() {
        return files;
    }

    public void setFiles(UploadedFiles files) {
        this.files = files;
    }

    public String getDropZoneText() {
        return dropZoneText;
    }

    public void setDropZoneText(String dropZoneText) {
        this.dropZoneText = dropZoneText;
    }

}