Example usage for com.google.gwt.user.client.ui FormPanel addSubmitCompleteHandler

Introduction

In this page you can find the example usage for com.google.gwt.user.client.ui FormPanel addSubmitCompleteHandler.

Prototype

public HandlerRegistration addSubmitCompleteHandler(SubmitCompleteHandler handler)

Source Link

Document

Adds a SubmitCompleteEvent handler.

Usage

From source file:org.rstudio.studio.client.server.remote.RemoteServerAuth.java

License:Open Source License

public void updateCredentials(final ServerRequestCallback<Integer> requestCallback) {
    // safely cleanup any previously active update credentials forms
    safeCleanupPreviousUpdateCredentials();

    // create a hidden form panel to submit the update credentials to
    // (we do this so GWT manages the trickiness associated with 
    // managing and reading the contents of a hidden iframe) 
    final FormPanel updateCredentialsForm = new FormPanel();
    updateCredentialsForm.setMethod(FormPanel.METHOD_GET);
    updateCredentialsForm.setEncoding(FormPanel.ENCODING_URLENCODED);

    // form url/*w  w w  . j a  v a 2  s .  c o m*/
    String url = remoteServer_.getApplicationURL("auth-update-credentials");
    updateCredentialsForm.setAction(url);

    // request log entry (fake up a json rpc method call to conform
    // to the data format expected by RequestLog
    String requestId = Integer.toString(Random.nextInt());
    String requestData = createRequestData();
    final RequestLogEntry logEntry = RequestLog.log(requestId, requestData);

    // form submit complete handler
    updateCredentialsForm.addSubmitCompleteHandler(new SubmitCompleteHandler() {

        public void onSubmitComplete(SubmitCompleteEvent event) {
            // parse the results
            String results = event.getResults();
            RpcResponse response = RpcResponse.parse(event.getResults());
            if (response != null) {
                logEntry.logResponse(ResponseType.Normal, results);

                // check for error
                RpcError rpcError = response.getError();
                if (rpcError != null) {
                    if (rpcError.getCode() == RpcError.METHOD_NOT_FOUND) {
                        requestCallback.onResponseReceived(new Integer(CREDENTIALS_UPDATE_UNSUPPORTED));
                    } else {
                        requestCallback.onError(new RemoteServerError(rpcError));
                    }
                } else // must be a valid response
                {
                    Bool authenticated = response.getResult();
                    if (authenticated.getValue()) {
                        requestCallback.onResponseReceived(new Integer(CREDENTIALS_UPDATE_SUCCESS));
                    } else {
                        requestCallback.onResponseReceived(new Integer(CREDENTIALS_UPDATE_FAILURE));
                    }
                }
            } else // error parsing results
            {
                logEntry.logResponse(ResponseType.Error, results);

                // form message
                String msg = "Error parsing results: " + (results != null ? results : "(null)");

                // we don't expect this so debug log to flag our attention
                Debug.log("UPDATE CREDENTIALS: " + msg);

                // return the error
                RpcError rpcError = RpcError.create(RpcError.PARSE_ERROR, msg);
                requestCallback.onError(new RemoteServerError(rpcError));
            }

            // remove the hidden form (from both last-ditch list and DOM)
            previousUpdateCredentialsForms_.remove(updateCredentialsForm);
            Scheduler.get().scheduleDeferred(new ScheduledCommand() {
                public void execute() {
                    RootPanel.get().remove(updateCredentialsForm);
                }
            });
        }
    });

    // add the (hidden) form panel to the document and last ditch list
    RootPanel.get().add(updateCredentialsForm, -1000, -1000);
    previousUpdateCredentialsForms_.add(updateCredentialsForm);

    // submit the form
    updateCredentialsForm.submit();
}

From source file:org.utgenome.gwt.utgb.client.track.lib.ViewLoaderTrack.java

License:Apache License

public ViewLoaderTrack() {
    super("View Loader");
    // load view via HTTP
    HorizontalPanel hp = new HorizontalPanel();
    hp.setVerticalAlignment(HorizontalPanel.ALIGN_MIDDLE);
    hp.add(new FormLabel("View Silk URL: "));
    urlBox.setWidth("400px");
    urlBox.addKeyPressHandler(new KeyPressHandler() {
        public void onKeyPress(KeyPressEvent e) {
            if (e.getCharCode() == KeyCodes.KEY_ENTER) {
                downloadView(urlBox.getText());
            }/*w w w .  j av a2 s.  co  m*/
        }
    });
    Button loadButton = new Button("load");
    loadButton.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent e) {
            downloadView(urlBox.getText());
        }
    });
    hp.add(urlBox);
    hp.add(loadButton);
    // load view from a file
    final FormPanel fileUploadForm = new FormPanel();
    fileUploadForm.setAction(GWT.getModuleBaseURL() + "utgb-core/loadview");
    fileUploadForm.setEncoding(FormPanel.ENCODING_MULTIPART);
    fileUploadForm.setMethod(FormPanel.METHOD_POST);
    HorizontalPanel formButtonPanel = new HorizontalPanel();
    FileUpload fileBox = new FileUpload();
    fileBox.setName("file");
    fileBox.setWidth("300px");
    Button uploadButton = new Button("submit");
    uploadButton.addClickHandler(new ClickHandler() {

        public void onClick(ClickEvent e) {
            fileUploadForm.submit();
        }
    });
    formButtonPanel.add(new FormLabel("View Silk File:"));
    formButtonPanel.add(fileBox);
    formButtonPanel.add(uploadButton);
    fileUploadForm.add(formButtonPanel);
    DOM.setStyleAttribute(fileUploadForm.getElement(), "margin", "0");
    fileUploadForm.addSubmitCompleteHandler(new SubmitCompleteHandler() {
        public void onSubmitComplete(SubmitCompleteEvent e) {

            getFrame().setNowLoading();
            String viewXML = extractEmbeddedSilkInComment(e.getResults());
            setViewSilk(viewXML);
        }
    });
    // set panes
    panel.setStyleName("toolbox");
    panel.add(hp);
    panel.add(fileUploadForm);
}