Example usage for com.google.gwt.dom.client ButtonElement click

Introduction

In this page you can find the example usage for com.google.gwt.dom.client ButtonElement click.

Prototype

public final void click() 

Source Link

Document

Simulate a mouse-click.

Usage

From source file:com.isotrol.impe3.pms.gui.client.widget.LoginPanel.java

License:Open Source License

/**
 * Inits this container inner components.<br/>
 *//*from   ww w .j  a v a2 s. c o m*/
private void initComponent() {

    LayoutContainer lc = new LayoutContainer(formSupport.getStandardLayout(false));
    lc.addStyleName(pmsStyles.loginPanel());
    lc.setAutoWidth(true);

    tfErrorMessage = new LabelField();
    tfErrorMessage.addStyleName(styles.labelInfoMessage());
    tfErrorMessage.addStyleName(styles.redMessage());
    tfErrorMessage.setVisible(false);
    lc.add(tfErrorMessage);

    add(lc);

    lcAuthenticating = new LayoutContainer(new ColumnLayout());
    lcAuthenticating.setVisible(false);
    lcAuthenticating.setStyleName(styles.marginBottom10px());
    // add "loading" icon:
    lcAuthenticating.add(new Html("<div class='loading-icon' style='float: right; margin-right: 5px;'></div>"),
            new ColumnData(165));
    // add "authenticating" label:
    Label tfAuthenticating = new Label(pmsMessages.msgAuthenticating());
    tfAuthenticating.addStyleName(styles.labelInfoMessage());
    lcAuthenticating.add(tfAuthenticating);

    add(lcAuthenticating);

    KeyPressHandler keyEnterPressHandler = new KeyPressHandler() {
        public void onKeyPress(KeyPressEvent event) {
            if (event.getUnicodeCharCode() == KeyCodes.KEY_ENTER) {
                pmsLoginForm.submit();
            }
        }
    };

    tfUsername = (InputElement) Document.get().getElementById(USER_FIELD_ID);
    // wrap the input element in a gwt textbox to listen 'enter' key press
    TextBox tbUserName = TextBox.wrap(tfUsername);
    if (tbUserName != null) {
        tbUserName.addKeyPressHandler(keyEnterPressHandler);
    }

    tfPassword = (InputElement) Document.get().getElementById(PASSWORD_FIELD_ID);
    PasswordTextBox tbPassword = PasswordTextBox.wrap(tfPassword);
    if (tbPassword != null) {
        tbPassword.addKeyPressHandler(keyEnterPressHandler);
    }

    LabelElement userLabel = (LabelElement) Document.get().getElementById(USER_LABEL_ID);
    userLabel.setInnerText(pmsMessages.labelUsername());
    LabelElement pwdLabel = (LabelElement) Document.get().getElementById(PASSWORD_LABEL_ID);
    pwdLabel.setInnerText(pmsMessages.labelPassword());

    // Get a handle to the form and set its action. The Wraping for form must be after the input wrapings
    pmsLoginForm = FormPanel.wrap(Document.get().getElementById(FORM_ID), false);
    // form.setAction("javascript:__gwt_login()");
    // form.setAction("javascript:''");
    pmsLoginForm.addSubmitHandler(new SubmitHandler() {
        /**
         * Add login form validations (user and password are required fields)
         * @see com.google.gwt.user.client.ui.FormPanel.SubmitHandler#onSubmit(com.google.gwt.user.client.ui.FormPanel.SubmitEvent)
         */
        public void onSubmit(SubmitEvent event) {
            if (tfUsername.getValue() == null || tfUsername.getValue().equals("")) {
                tfErrorMessage.setValue(pmsMessages.msgErrorUserRequired());
                tfErrorMessage.show();
                event.cancel();
            } else if (tfPassword.getValue() == null || tfPassword.getValue().equals("")) {
                tfErrorMessage.setValue(pmsMessages.msgErrorPasswordRequired());
                tfErrorMessage.show();
                event.cancel();
            } else {
                initAuthentication();
            }
        }
    });

    // Get the submit button for text localization
    final ButtonElement submit = (ButtonElement) Document.get().getElementById(SUBMIT_BUTTON_ID);
    submit.setInnerText(messages.labelAccept());

    SelectionListener<ButtonEvent> listener = new SelectionListener<ButtonEvent>() {
        @Override
        public void componentSelected(ButtonEvent ce) {
            submit.click();
        }
    };
    Button bAccept = buttonsSupport.createAcceptButton(listener);
    addButton(bAccept);
    // Add the form to the panel
    lc.add(pmsLoginForm);
}

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