arnauld/sbt-vaadin-plugin

A simple SBT plugin for Vaadin

Warning! New Usage

0.0.2-SNAPSHOT change:

The new version (still snapshot) of the plugin has been build with sbt 0.11.1 and scala 2.9.1. Unfortunately sbt team has one more time change the way the plugins are packaged. Further more the siasia's xsbt-web-plugin has also changed, and requires some configuration change to make it work.

Here is the result of my two hours pain to make the new version plugin work:

in build.sbt:

• jettyPort has been replaced by port
• jetty configuration has been replaced by a more generic container

thus one should have now:

scalaVersion := "2.9.1"

seq((webSettings ++ vaadinSettings ++ Seq(
  port := 8081,
  vaadinWidgetSet := "scalaadin.gwt.CombinedWidgetset"
)) :_*)

and within the dependencies:

libraryDependencies ++= Seq(
  ...
  // jetty
  "org.eclipse.jetty" % "jetty-server" % "7.4.2.v20110526" % "container;provided",
  "org.eclipse.jetty" % "jetty-webapp" % "7.4.2.v20110526" % "container;provided",
  "org.eclipse.jetty" % "jetty-servlet" % "7.4.2.v20110526" % "container;provided",
  "javax.servlet" % "servlet-api" % "2.5" % "provided->default",
  ...
  //test
  "org.scala-tools.testing" %% "specs" % "1.6.9" % "test",
  ...
)

in project/plugins/build.sbt:

Similar to the %% that automatically bind the scala version, plugins are now tied to sbt version. For such plugins, the standard way is to now use the addSbtPlugin directive to add dependency on such plugins. xsbt-web-plugin use a non standard approach, so it requires a special management.

// remove this once plugins are working
retrieveManaged := true // and the dependencies will be copied to lib_managed as a build-local cache

resolvers ++= Seq(
  "Web plugin repo" at "http://siasia.github.com/maven2",
  "Arnauld" at "https://github.com/Arnauld/arnauld.github.com/raw/master/maven2"
)

addSbtPlugin("org.technbolts" % "sbt-vaadin-plugin" %  "0.0.2-SNAPSHOT")

libraryDependencies <++= (sbtVersion) { (sbt_ver) =>
    Seq("com.github.siasia" %% "xsbt-web-plugin" % (sbt_ver+"-0.2.10"))
}

Usage: 0.01-SNAPSHOT

Add the plugin to your project in project/plugins/build.sbt:

resolvers += "Arnauld" at "https://github.com/Arnauld/arnauld.github.com/raw/master/maven2",

e.g.

resolvers ++= Seq(
  "Web plugin repo" at "http://siasia.github.com/maven2",
  "Arnauld" at "https://github.com/Arnauld/arnauld.github.com/raw/master/maven2"
)

libraryDependencies <++= sbtVersion({ sbt_version:String => 
    Seq("com.github.siasia" %% "xsbt-web-plugin" % sbt_version,
        "org.technbolts" %% "sbt-vaadin-plugin" %  "0.0.1-SNAPSHOT")})

Add the Web and Vaadin settings to your project in build.sbt:

e.g.

seq((webSettings ++ vaadinSettings ++ Seq(
  jettyPort := 8081,
  vaadinWidgetSet := "scalaadin.gwt.CombinedWidgetset",
)) :_*)

This override the jetty port, and define the name of the widgetset

To generate the widgetset used by vaadin

sbt> vaadin-generate-widgetset
...

According to the settings, this will generate scalaadin/gwt/CombinedWidgetset.gwt.xml in src/main/resources

To compile the widgetset

sbt> vaadin-compile-widgetset
...

According to the settings, this will generate all GWT files in src/main/webapp/VAADIN/

Settings (all plugin versions)

• gwtVersion by default 2.3.0
• vaadinVersion by default 6.6.3
• vaadinWidgetSet the name of the combined widget set that aggregates all widgetset found in the classpath to a single one.
• vaadinClientWidgetSetDestination define where GWT compiles the widget, by default on src/main/webapp/VAADIN/widgetsets

Example:

seq((webSettings ++ vaadinSettings ++ Seq(
  jettyPort := 8081,
  vaadinWidgetSet := "scalaadin.gwt.CombinedWidgetset",
  vaadinVersion := "6.6.3"
)) :_*)

Vaadin

In order to use the widgetset, one must override the default widgetset used by Vaadin. In web.xml add the widgetset declaration

<init-param>
    <param-name>widgetset</param-name>
    <param-value>scalaadin.gwt.CombinedWidgetset</param-value>
</init-param>

e.g.

...
<servlet>
    <servlet-name>ScalaadinApplication</servlet-name>
    <servlet-class>com.vaadin.terminal.gwt.server.ApplicationServlet</servlet-class>
    <init-param>
        <description>Vaadin application class to start</description>
        <param-name>application</param-name>
        <param-value>scalaadin.ScalaadinApplication</param-value>
    </init-param>
    <init-param>
        <param-name>widgetset</param-name>
        <param-value>scalaadin.gwt.CombinedWidgetset</param-value>
    </init-param>
</servlet>

Inspirations and related

• SBT 0.10.0
• SBT web plugin
• GWT web plugin

sbt-vaadin-plugin's Issues

sbt 0.11.2

Please do a release for 0.11.2 so all my plugins can happily work together again. :)

Error Compiling Widgetset

I followed the examples on the main page, but am getting the following:

vaadin-compile-widgetset
[info] Compiling scalaadin.gwt.CombinedWidgetset GWT module
[ERROR] Unable to find 'scalaadin/gwt/CombinedWidgetset.gwt.xml' on your classpath; could be a typo, or maybe you forgot to include a classpath entry for source?

Is there another step missing from the examples or is this a bug?

sbt 0.11

Could you update this to work with sbt 0.11?

gwt/ecj classpath conflict

I ran into the stacktrace below when running the vaadin-compile-widgetset task, which I traced to this GWT issue:

http://code.google.com/p/google-web-toolkit/issues/detail?id=4479

The workaround is to put the GWT sdk first in the classpath:

dependencyClasspath in Vaadin <<= (dependencyClasspath in Vaadin) map { cp =>
  val (a, b) = cp partition { _.data.getAbsolutePath.contains("gwt") }
  (a ++ b)
} 

[ERROR] Unexpected
java.lang.NoSuchFieldError: warningThreshold
at com.google.gwt.dev.javac.JdtCompiler.getCompilerOptions(JdtCompiler.java:400)
at com.google.gwt.dev.javac.JdtCompiler$CompilerImpl.(JdtCompiler.java:228)
at com.google.gwt.dev.javac.JdtCompiler.doCompile(JdtCompiler.java:689)
at com.google.gwt.dev.javac.CompilationStateBuilder$CompileMoreLater.compile(CompilationStateBuilder.java:215)
at com.google.gwt.dev.javac.CompilationStateBuilder.doBuildFrom(CompilationStateBuilder.java:406)
at com.google.gwt.dev.javac.CompilationStateBuilder.buildFrom(CompilationStateBuilder.java:299)
at com.google.gwt.dev.cfg.ModuleDef.getCompilationState(ModuleDef.java:325)
at com.google.gwt.dev.Precompile.precompile(Precompile.java:507)
at com.google.gwt.dev.Precompile.precompile(Precompile.java:492)
at com.google.gwt.dev.Precompile.precompile(Precompile.java:405)
at com.google.gwt.dev.Compiler.run(Compiler.java:215)
at com.google.gwt.dev.Compiler.run(Compiler.java:187)
at com.google.gwt.dev.Compiler$1.run(Compiler.java:159)
at com.google.gwt.dev.CompileTaskRunner.doRun(CompileTaskRunner.java:87)
at com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger(CompileTaskRunner.java:81)
at com.google.gwt.dev.Compiler.main(Compiler.java:166)