/**
*
*/
package org.appfuse.webapp.client.ui.upload;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import org.appfuse.webapp.client.application.Application;
import org.appfuse.webapp.client.application.base.activity.AbstractBaseActivity;
import org.appfuse.webapp.client.ui.home.HomePlace;
import org.appfuse.webapp.client.ui.upload.views.FileUploadView;
import org.appfuse.webapp.client.ui.upload.views.UploadedFileView;
import com.github.gwtbootstrap.client.ui.Form.SubmitCompleteEvent;
import com.github.gwtbootstrap.client.ui.Form.SubmitEvent;
import com.github.gwtbootstrap.client.ui.constants.AlertType;
import com.google.gwt.event.shared.EventBus;
import com.google.gwt.user.client.ui.AcceptsOneWidget;
import com.google.inject.Inject;
/**
* @author ivangsa
*
*/
public class FileUploadActivity extends AbstractBaseActivity implements FileUploadView.Delegate, UploadedFileView.Delegate{
private final FileUploadView formView;
private final UploadedFileView resultsView;
private AcceptsOneWidget panel;
@Inject
public FileUploadActivity(final Application application, final FileUploadView formView, final UploadedFileView resultsView) {
super(application);
this.formView = formView;
this.resultsView = resultsView;
setTitle(i18n.upload_title());
}
/* (non-Javadoc)
* @see com.google.gwt.activity.shared.Activity#start(com.google.gwt.user.client.ui.AcceptsOneWidget, com.google.gwt.event.shared.EventBus)
*/
@Override
public void start(final AcceptsOneWidget panel, final EventBus eventBus) {
this.panel = panel;
showForm();
setDocumentTitleAndBodyAttributtes();
}
private void showForm() {
formView.setDelegate(this);
formView.edit(new FileUploadBean());
panel.setWidget(formView);
}
@Override
public void onSubmit(final SubmitEvent event) {
if(formView != null) {
final FileUploadBean fileUpload = formView.getEditorDriver().flush();
final Set violations = getValidator().validate(fileUpload);
formView.getEditorDriver().setConstraintViolations(violations);
if(!violations.isEmpty()) {
event.cancel();
}
}
}
@Override
public void onSubmitComplete(final SubmitCompleteEvent event) {
final UploadedFileBean uploadedFile = parseResponse(event.getResults());
if(uploadedFile.getErrorMessages() != null && uploadedFile.getErrorMessages().length() > 0) {
final List<String> errorMessages = new ArrayList<String>();
for (int i = 0; i < uploadedFile.getErrorMessages().length(); i++) {
errorMessages.add(uploadedFile.getErrorMessages().get(i));
}
formView.showErrorsMessages(errorMessages);
} else {
shell.addMessage(uploadedFile.getLocation(), AlertType.SUCCESS);
showResults(uploadedFile);
}
}
private void showResults(final UploadedFileBean uploadedFile) {
resultsView.setDelegate(this);
resultsView.display(uploadedFile);
panel.setWidget(resultsView);
}
@Override
public void onDoneClick() {
placeController.goTo(new HomePlace());
}
@Override
public void onCancelClick() {
placeController.goTo(new HomePlace());
}
@Override
public void onUploadAnotherFileClick() {
showForm();
}
private final native UploadedFileBean parseResponse(String json) /*-{
return eval('(' + json + ')');
}-*/;
}