UiBinder ERROR: "Attribute 'from' does not have a computed value Element"

[jopaki]

I get this error when trying to parse/compile my uiBinder LoginPanel.ui.xml:

Rebinding com.tll.client.ui.LoginPanel.LoginPanel2UiBinder

   Invoking generator com.google.gwt.uibinder.rebind.UiBinderGenerator

      [ERROR] Attribute 'from' does not have a computed value Element <ui:text from='res.constants.loginTitle'> (:45)

[ERROR] Deferred binding failed for 'com.tll.client.ui.LoginPanel.LoginPanel2UiBinder'; expect subsequent failures

LoginPanel.ui.xml

<!DOCTYPE ui:UiBinder SYSTEM "http://dl.google.com/gwt/DTD/xhtml.ent">

<ui:UiBinder xmlns:ui="urn:ui:com.google.gwt.uibinder" xmlns:g="urn:import:com.google.gwt.user.client.ui">

  <ui:with field='res' type='com.tll.client.ui.Resources' />

  <g:HTMLPanel styleName="loginPanel">

    <form ui:field="form" action="post" target="{res.constants.formLoginTarget}">

      <div ui:field="title" styleName="title">

        <ui:text from="res.constants.loginTitle" />

      </div>

      <div ui:field="statusMsg" styleName="statusMsg"></div>

      <table>

        <tr>

          <td>

            <label ui:field="lblUsername" for="{tbUsername.getElement.getId}">

              <ui:text from="{res.constants.labelUsername}" />

            </label>

          </td>

...

LoginPanel.java

public class LoginPanel extends Composite implements ClickHandler, SubmitHandler {

private static LoginPanel2UiBinder uiBinder = GWT.create(LoginPanel2UiBinder.class);

interface LoginPanel2UiBinder extends UiBinder<Widget, LoginPanel> {

}

static enum Mode {

LOGIN,

FORGOT_PASSWORD,

}

Mode mode = Mode.LOGIN; // default

@UiField DivElement title;

@UiField DivElement statusMsg;

@UiField LabelElement lblUsername;

@UiField TextBox tbUsername;

@UiField LabelElement lblPassword;

@UiField PasswordTextBox tbPassword;

@UiField Anchor lnkTgl; // toggles btwn view modes

@UiField Button btnSubmit;

@UiField FormElement form;

/**

* Because this class has a default constructor, it can be used as a binder

* template. In other words, it can be used in other *.ui.xml files as

* follows: <ui:UiBinder xmlns:ui="urn:ui:com.google.gwt.uibinder"

* xmlns:g="urn:import:**user's package**">

* <g:**UserClassName**>Hello!</g:**UserClassName> </ui:UiBinder> Note that

* depending on the widget that is used, it may be necessary to implement

* HasHTML instead of HasText.

*/

public LoginPanel() {

}

...

I can't for the life of me figure this out!  Pls help!

-Jon

[Thomas Broyer]

As the error says, 'from' expects a computed value: <ui:text from='{res.constants.loginTitle}'>

(Note "Element" is not part of the error message, but the element's serialization)

[jopaki]

Thank you for the reply.   Yes embarasingly I missed the { }.  I fixed and works.  One more question: When will com.google.gwt.i18n.Constants be usable in a ui.xml file ??  AFAICT, only TextResources are available !  Am I missing something?

thanks, Jon

[jopaki]

I know that one can take the  DevGuideUiBinderI18n  approach but this seems like such overkill.  I merely want to leverage constants in a properties file directly in a ui.xml file.

[Thomas Broyer]

On Monday, August 27, 2012 1:47:13 AM UTC+2, jopaki wrote:

Thank you for the reply.   Yes embarasingly I missed the { }.  I fixed and works.  One more question: When will com.google.gwt.i18n.Constants be usable in a ui.xml file ??  AFAICT, only TextResources are available !  Am I missing something?

What's wrong with <ui:with field="myConstants" type="com.example.myproject.client.MyConstants" /> and <ui:text from="{myConstants.foo}" /> ? 

[jopaki]

An compile error like "can't implement the constants interface:  It must implement TextResource or _____".  I forget the other type the error states.

My semantics here are:

interface MyResources extends ClientBundle {

  

  @Source("MyConstants.properties")

  MyConstants constants();

}

where MyConstants interface is auto-generated via the gwt-maven-plugin.

I'm on 2.4

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[Thomas Broyer]

On Monday, August 27, 2012 7:50:02 AM UTC+2, jopaki wrote:

An compile error like "can't implement the constants interface:  It must implement TextResource or _____".  I forget the other type the error states.

My semantics here are:

interface MyResources extends ClientBundle {

  

  @Source("MyConstants.properties")

  MyConstants constants();

}

where MyConstants interface is auto-generated via the gwt-maven-plugin.

I'm on 2.4

Why are you trying to put the Constants within a ClientBundle?

[jopaki]

ahh  - and therein lies the rub.  ty!

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