Examples of com.vaadin.server.ErrorMessage

com.vaadin.server.ErrorMessage
Interface for rendering error messages to terminal. All the visible errors shown to user must implement this interface. @author Vaadin Ltd. @since 3.0

                }
            }
        }


        // Check if there are any systems errors
        final ErrorMessage superError = super.getErrorMessage();


        // Return if there are no errors at all
        if (superError == null && validationError == null
                && getCurrentBufferedSourceException() == null) {
            return null;

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            getState().width = "" + getCSSWidth();
        } else {
            getState().width = "";
        }


        ErrorMessage error = getErrorMessage();
        if (null != error) {
            getState().errorMessage = error.getFormattedHtmlMessage();
        } else {
            getState().errorMessage = null;
        }


        getState().immediate = isImmediate();

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        main.addComponent(new Label("DateField"));


        df = new DateField();
        main.addComponent(df);


        final ErrorMessage errorMsg = new UserError("User error " + df);
        df.setCaption("DateField caption " + df);
        df.setDescription("DateField description " + df);
        df.setComponentError(errorMsg);
        df.setImmediate(true);
        // FIXME: bug #1138 this makes datefield to render with unknown

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     * 
     * @param c
     */
    void test(AbstractComponent c) {
        final ClassResource res = new ClassResource("m.gif");
        final ErrorMessage errorMsg = new UserError("User error " + c);


        if ((c.getCaption() == null) || (c.getCaption().length() <= 0)) {
            c.setCaption("Caption " + c);
        }
        c.setDescription("Description " + c);

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    @Override
    public ErrorMessage getErrorMessage() {


        // Reimplement the checking of validation error by using
        // getErrorMessage() recursively instead of validate().
        ErrorMessage validationError = null;
        if (isValidationVisible()) {
            for (final Iterator<Object> i = propertyIds.iterator(); i.hasNext();) {
                Object f = fields.get(i.next());
                if (f instanceof AbstractComponent) {
                    AbstractComponent field = (AbstractComponent) f;


                    validationError = field.getErrorMessage();
                    if (validationError != null) {
                        // Show caption as error for fields with empty errors
                        if ("".equals(validationError.toString())) {
                            validationError = new UserError(field.getCaption());
                        }
                        break;
                    } else if (f instanceof Field && !((Field<?>) f).isValid()) {
                        // Something is wrong with the field, but no proper

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                }
            }
        }


        // Check if there are any systems errors
        final ErrorMessage superError = super.getErrorMessage();


        // Return if there are no errors at all
        if (superError == null && validationError == null
                && getCurrentBufferedSourceException() == null) {
            return null;

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            final String caption = tab.getCaption();
            if (caption != null && caption.length() > 0) {
                target.addAttribute(
                        TabsheetBaseConstants.ATTRIBUTE_TAB_CAPTION, caption);
            }
            ErrorMessage tabError = tab.getComponentError();
            if (tabError != null) {
                target.addAttribute(
                        TabsheetBaseConstants.ATTRIBUTE_TAB_ERROR_MESSAGE,
                        tabError.getFormattedHtmlMessage());
            }
            final String description = tab.getDescription();
            if (description != null) {
                target.addAttribute(
                        TabsheetBaseConstants.ATTRIBUTE_TAB_DESCRIPTION,

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            getState().width = "" + getCSSWidth();
        } else {
            getState().width = "";
        }


        ErrorMessage error = getErrorMessage();
        if (null != error) {
            getState().errorMessage = error.getFormattedHtmlMessage();
        } else {
            getState().errorMessage = null;
        }
    }

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    @Override
    public ErrorMessage getErrorMessage() {


        // Reimplement the checking of validation error by using
        // getErrorMessage() recursively instead of validate().
        ErrorMessage validationError = null;
        if (isValidationVisible()) {
            for (final Iterator<Object> i = propertyIds.iterator(); i.hasNext();) {
                Object f = fields.get(i.next());
                if (f instanceof AbstractComponent) {
                    AbstractComponent field = (AbstractComponent) f;


                    validationError = field.getErrorMessage();
                    if (validationError != null) {
                        // Show caption as error for fields with empty errors
                        if ("".equals(validationError.toString())) {
                            validationError = new UserError(field.getCaption());
                        }
                        break;
                    } else if (f instanceof Field && !((Field<?>) f).isValid()) {
                        // Something is wrong with the field, but no proper

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            getState().width = "" + getCSSWidth();
        } else {
            getState().width = "";
        }


        ErrorMessage error = getErrorMessage();
        if (null != error) {
            getState().errorMessage = error.getFormattedHtmlMessage();
        } else {
            getState().errorMessage = null;
        }
    }

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com.vaadin.tests.TestCaptionWrapper

com.vaadin.tests.TestDateField

com.vaadin.ui.AbstractComponent

com.vaadin.ui.AbstractField

com.vaadin.ui.Form

com.vaadin.ui.TabSheet

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