/*
* Copyright 2000-2014 Vaadin Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.vaadin.tests.components.ui;
import java.io.IOException;
import java.io.OutputStream;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractTestUIWithLog;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.Upload;
import com.vaadin.ui.Upload.ChangeEvent;
import com.vaadin.ui.Upload.ChangeListener;
import com.vaadin.ui.Upload.FailedEvent;
import com.vaadin.ui.Upload.FailedListener;
import com.vaadin.ui.Upload.Receiver;
import com.vaadin.ui.Upload.SucceededEvent;
import com.vaadin.ui.Upload.SucceededListener;
import com.vaadin.ui.VerticalLayout;
public class MultiFileUploadTest extends AbstractTestUIWithLog {
private ChangeListener changeListener = new ChangeListener() {
@Override
public void filenameChanged(ChangeEvent event) {
if (event.getFilename().equals("")) {
removeUpload(event.getSource());
} else {
addUpload();
}
}
};
private VerticalLayout uploadsLayout = new VerticalLayout();
@Override
protected void setup(VaadinRequest request) {
getPage().getStyles().add(
".v-upload-hidden-button .v-button {display:none};");
addUpload();
addComponent(uploadsLayout);
addComponent(new Button("Upload files", new ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
for (Upload u : getUploads()) {
u.submitUpload();
}
}
}));
}
protected Iterable<Upload> getUploads() {
return (Iterable) uploadsLayout;
}
protected void removeUpload(Upload source) {
uploadsLayout.removeComponent(source);
}
protected void addUpload() {
Upload upload = createUpload();
upload.addSucceededListener(new SucceededListener() {
@Override
public void uploadSucceeded(SucceededEvent event) {
log("Upload of " + event.getFilename() + " complete");
uploadsLayout.removeComponent(event.getUpload());
}
});
upload.addFailedListener(new FailedListener() {
@Override
public void uploadFailed(FailedEvent event) {
log("Upload of " + event.getFilename() + " FAILED");
}
});
upload.setReceiver(new Receiver() {
@Override
public OutputStream receiveUpload(String filename, String mimeType) {
return new OutputStream() {
@Override
public void write(int arg0) throws IOException {
}
};
}
});
upload.setStyleName("hidden-button");
uploadsLayout.addComponent(upload);
}
private Upload createUpload() {
Upload upload = new Upload();
upload.addChangeListener(changeListener);
return upload;
}
@Override
protected String getTestDescription() {
return "Tests that an Upload change event can be used to create a multiple file upload component";
}
@Override
protected Integer getTicketNumber() {
return 13222;
}
}