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eliovireliovir
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Add I18n support to UIBinder and client code
1 parent d760ca3 commit 02dac65

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+183
-14
lines changed

‎pom.xml

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@@ -125,9 +125,33 @@ Now, we add GWT (gwt-servlet and gwt-user artifacts) and Log4J to our project.
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<goals>
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<goal>compile</goal>
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<goal>test</goal>
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<goal>i18n</goal>
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</goals>
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</execution>
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</executions>
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<configuration>
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<!--
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use -extra parameter to generate I18N properties files.
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.properties files will be generated in target/extra/hellogwt/
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-->
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<extraParam>true</extraParam>
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<!--
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The resourceBundle parameter is used to declare
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your application bundle for i18n processing.
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If your application uses more than one bundle,
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you can nest multiple resourceBundle elements
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-->
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<resourceBundle>com.hellogwt.client.i18n</resourceBundle>
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<!--
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which properties file to translate.
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-->
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<i18nConstantsBundles>
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<i18nConstantsBundle>com.hellogwt.client.i18n.ClientMessages</i18nConstantsBundle>
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</i18nConstantsBundles>
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<i18nMessagesBundle>com.hellogwt.client.i18n.ClientMessages</i18nMessagesBundle>
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<!--
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-->
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</configuration>
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</plugin>
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<!-- $HOME/.m2/settings.xml
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<settings>

‎src/main/java/com/hellogwt/HelloGWT.gwt.xml

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@@ -29,4 +29,8 @@ XML module file for the com.hellogwt package.
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<!-- only compile for Firefox to speed up GWT compile time -->
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<set-property name="user.agent" value="gecko1_8"/>
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<inherits name="com.google.gwt.i18n.I18N"/>
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<extend-property name="locale" values="fr"/>
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<extend-property name="locale" values="en"/>
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</module>

‎src/main/java/com/hellogwt/client/HelloGWTWidget.java

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@@ -30,6 +30,7 @@
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import com.google.gwt.user.client.ui.Label;
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import com.google.gwt.user.client.ui.SplitLayoutPanel;
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import com.google.gwt.user.client.ui.TextBox;
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import com.hellogwt.client.i18n.ClientMessages;
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import com.hellogwt.shared.domain.Greeting;
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import java.util.List;
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@@ -41,11 +42,13 @@ interface HelloGWTWidgetUiBinder extends UiBinder<SplitLayoutPanel, HelloGWTWidg
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private static HelloGWTWidgetUiBinder uiBinder = GWT.create(HelloGWTWidgetUiBinder.class);
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private GreetingServiceAsync greetingService = GWT.create(GreetingService.class);
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private ClientMessages clientMsg = GWT.create(ClientMessages.class);
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final AsyncCallback<String> textbox_callback = new AsyncCallback<String>() {
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@Override
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public void onFailure(Throwable caught) {
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greetingLabel.setText("ERROR!");
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greetingLabel.setText(clientMsg.error());
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}
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@Override
@@ -57,7 +60,7 @@ public void onSuccess(String result) {
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private AsyncCallback<Void> btn_callback = new AsyncCallback<Void>() {
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@Override
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public void onFailure(Throwable caught) {
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Window.alert("ERROR: Cannot edit greetings!");
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Window.alert(clientMsg.editError());
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}
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@Override
@@ -120,7 +123,7 @@ public void onSuccess(Greeting result) {
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if (result == null) {
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greetingService.addGreeting(authorTextBox.getText(), textTextBox.getText(), btn_callback);
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} else {
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statusMessage.setInnerText("Greeting already exists!");
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statusMessage.setInnerText(clientMsg.greetingAlreadyExists());
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}
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}
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});
@@ -160,8 +163,8 @@ public void onSuccess(List<Greeting> greetings) {
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private void fillGreetingsTable(List<Greeting> greetings) {
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greetingsFlexTable.removeAllRows();
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greetingsFlexTable.setText(0, 0, "Author");
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greetingsFlexTable.setText(0, 1, "Text");
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greetingsFlexTable.setText(0, 0, clientMsg.author());
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greetingsFlexTable.setText(0, 1, clientMsg.text());
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for (Greeting greeting : greetings) {
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int row = greetingsFlexTable.getRowCount();

‎src/main/java/com/hellogwt/client/HelloGWTWidget.ui.xml

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@@ -1,9 +1,28 @@
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<!--
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Corresponds to HelloGWTWidget.java.
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See http://www.gwtproject.org/doc/latest/DevGuideUiBinder.html for doc.
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ui:generateFormat
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We want a file in the java properties format to be generated.
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ui:generateKeys
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We want the property keys to be MD5 hashes of the message content,
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so that the translations will survive as the messages move around within
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the template.
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(And if we take some care with how we manage our translated properties
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files, a message that happens to be used in more than one template will
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only need to be translated once.)
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ui:generateLocales
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And we want the generated properties to be part of the default locale.
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Generated files (in target/extra/hellogwt) must be copied into this directory,
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removing the package prefix "com.hellogwt.client.".
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-->
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<ui:UiBinder xmlns:ui='urn:ui:com.google.gwt.uibinder'
6-
xmlns:g='urn:import:com.google.gwt.user.client.ui'>
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xmlns:g="urn:import:com.google.gwt.user.client.ui"
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ui:generateFormat="com.google.gwt.i18n.rebind.format.PropertiesFormat"
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ui:generateKeys="com.google.gwt.i18n.server.keygen.MD5KeyGenerator"
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ui:generateLocales="fr,en">
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<ui:with field="msgs" type="com.hellogwt.client.i18n.ClientMessages"/>
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<ui:style>
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.southPanel {
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background-color: #777;
@@ -13,26 +32,36 @@ See http://www.gwtproject.org/doc/latest/DevGuideUiBinder.html for doc.
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<g:north size="60" unit="EM">
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<g:HorizontalPanel>
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<g:TextBox ui:field="nameTextBox" width="100"/>
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<g:Label ui:field="greetingLabel" text="Hello, GWT!!" width="50"/>
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<g:Label ui:field="greetingLabel" width="50" text="{msgs.helloGwt}"/>
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</g:HorizontalPanel>
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</g:north>
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<g:center>
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<g:VerticalPanel>
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<g:HorizontalPanel>
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<g:Label text="Author:" width="50"/>
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<g:Label width="50">
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<ui:msg key="authorLabel">Author:</ui:msg>
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</g:Label>
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<g:TextBox ui:field="authorTextBox" width="100"/>
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</g:HorizontalPanel>
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<g:HorizontalPanel>
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<g:Label text="Text:" width="50"/>
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<g:Label width="50">
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<ui:msg key="textLabel">Text:</ui:msg>
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</g:Label>
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<g:TextBox ui:field="textTextBox" width="100"/>
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</g:HorizontalPanel>
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<g:HorizontalPanel>
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<g:Button ui:field="addButton" text="Add" width="50"/>
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<g:Button ui:field="updateButton" text="Update" width="50"/>
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<g:Button ui:field="deleteButton" text="Delete" width="50"/>
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<g:Button ui:field="addButton" width="50">
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<ui:msg key="add" description="Text on button">Add</ui:msg>
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</g:Button>
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<g:Button ui:field="updateButton" width="50">
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<ui:msg key="update" description="Text on button">Update</ui:msg>
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</g:Button>
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<g:Button ui:field="deleteButton" width="50">
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<ui:msg key="delete" description="Text on button">Delete</ui:msg>
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</g:Button>
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</g:HorizontalPanel>
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<g:FlexTable ui:field="greetingsFlexTable"/>
@@ -42,7 +71,13 @@ See http://www.gwtproject.org/doc/latest/DevGuideUiBinder.html for doc.
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<g:south size="60" unit="EM">
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<g:FlowPanel styleName="{style.southPanel}">
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<g:HTML>
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<span ui:field="statusMessage">...</span>
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<span ui:field="statusMessage">
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<ui:msg key="defaultStatusMessage" meaning="Default status message.">Application is loaded.</ui:msg>
76+
</span>
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<p>
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<a href="?locale=fr">français</a>,
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<a href="?locale=en">English</a>
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</p>
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</g:HTML>
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</g:FlowPanel>
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</g:south>

‎src/main/java/com/hellogwt/client/HelloGWTWidgetHelloGWTWidgetUiBinderImplGenMessages_en.properties

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@@ -0,0 +1,18 @@
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# Generated from com.hellogwt.client.HelloGWTWidgetHelloGWTWidgetUiBinderImplGenMessages
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# for locale en
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# Description: Text on button
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add=Add
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authorLabel=Author\:
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# Meaning: Default status message.
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defaultStatusMessage=Application is loaded.
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# Description: Text on button
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delete=Delete
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textLabel=Text\:
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# Description: Text on button
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update=Update

‎src/main/java/com/hellogwt/client/HelloGWTWidgetHelloGWTWidgetUiBinderImplGenMessages_fr.properties

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# Generated from com.hellogwt.client.HelloGWTWidgetHelloGWTWidgetUiBinderImplGenMessages
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# for locale fr
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# Description: Default status message.
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defaultStatusMessage=L''application est charg\u00e9e.
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authorLabel=Auteur :
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add=Ajouter
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textLabel=Texte :
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update=Modifier
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delete=Supprimer

‎src/main/java/com/hellogwt/client/i18n/ClientMessages.java

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/*
2+
* Copyright 2014 olivier.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
9+
*
10+
* Unless required by applicable law or agreed to in writing, software
11+
* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13+
* See the License for the specific language governing permissions and
14+
* limitations under the License.
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*/
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package com.hellogwt.client.i18n;
17+
18+
import com.google.gwt.i18n.client.LocalizableResource.DefaultLocale;
19+
import com.google.gwt.i18n.client.LocalizableResource.Generate;
20+
import com.google.gwt.i18n.client.Messages;
21+
22+
@Generate(
23+
format = {"com.google.gwt.i18n.rebind.format.PropertiesFormat"},
24+
fileName = "ClientMessages",
25+
locales = {"fr", "en", "default"})
26+
@DefaultLocale("en")
27+
public interface ClientMessages extends Messages {
28+
29+
@DefaultMessage("Author")
30+
public String author();
31+
32+
@DefaultMessage("ERROR: Cannot edit greetings!")
33+
public String editError();
34+
35+
@DefaultMessage("Error!")
36+
public String error();
37+
38+
@DefaultMessage("Greeting already exists!")
39+
public String greetingAlreadyExists();
40+
41+
@DefaultMessage("Hello, GWT!")
42+
@Key("welcomeMessage")
43+
public String helloGwt();
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45+
@DefaultMessage("Text")
46+
public String text();
47+
}

‎src/main/java/com/hellogwt/client/i18n/ClientMessages.properties

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# Generated from com.hellogwt.client.i18n.ClientMessages
2+
# for locale default
3+
4+
author=Author
5+
6+
editError=ERROR\: Cannot edit greetings\!
7+
8+
error=Error\!
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10+
greetingAlreadyExists=Greeting already exists\!
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12+
text=Text
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14+
welcomeMessage=Hello, GWT\!

‎src/main/java/com/hellogwt/client/i18n/ClientMessages_fr.properties

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@@ -0,0 +1,14 @@
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# Generated from com.hellogwt.client.i18n.ClientMessages
2+
# for locale fr
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author=Auteur
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6+
editError=Erreur \: impossible de modifier les voeux \!
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error=Erreur \!
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greetingAlreadyExists=Ces voeux existent d\u00c3\u00a9j\u00c3\u00a0 \!
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text=Texte
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welcomeMessage=Salut, GWT \!

‎src/main/java/com/hellogwt/server/GreetingServiceImpl.java

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@@ -34,7 +34,7 @@ public class GreetingServiceImpl implements GreetingService {
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@Autowired
3636
private GreetingMapper greetingMapper;
37-
37+
3838
@Override
3939
public Greeting getGreeting(String text) {
4040
return greetingMapper.getGreeting(text);

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