uitest/src/main/java/com/vaadin/tests/components/upload/ForceSubmit.java


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package com.vaadin.tests.components.upload;

import java.io.ByteArrayOutputStream;
import java.io.OutputStream;

import com.vaadin.tests.components.TestBase;
import com.vaadin.ui.Button;
import com.vaadin.ui.Upload;
import com.vaadin.ui.Upload.Receiver;
import com.vaadin.v7.ui.TextField;

public class ForceSubmit extends TestBase implements Receiver {

    @Override
    protected Integer getTicketNumber() {
        return 6630;
    }

    @Override
    public OutputStream receiveUpload(String filename, String MIMEType) {
        return new ByteArrayOutputStream();
    }

    @Override
    protected void setup() {

        final TextField textField = new TextField("Test field");
        addComponent(textField);

        final Upload u;

        u = new Upload("Upload", this);

        u.setButtonCaption(null);

        addComponent(u);

        u.addFinishedListener(event -> {
            String filename = event.getFilename();
            long length = event.getLength();
            getMainWindow().showNotification(
                    "Done. Filename : " + filename + " Lenght: " + length);
        });

        u.addFailedListener(event -> getMainWindow()
                .showNotification("Failed. No file selected?"));

        u.addStartedListener(event -> getMainWindow().showNotification(
                "Started upload. TF value :" + textField.getValue()));

        Button button = new Button(
                "I'm an external button (not the uploads builtin), hit me to start upload.");
        button.addClickListener(event -> u.submitUpload());

        addComponent(button);
    }

    @Override
    protected String getDescription() {
        return "Some wireframists are just so web 1.0. If requirements "
                + "say the upload must not start until the whole form "
                + "is 'Oukeyd', that is what we gotta do. In these cases "
                + "developers most probably also want to hide the uploads"
                + " internal button by setting its caption to null.";
    }

}