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Andreas Kohlbecker, 05/02/2017 03:14 PM


Vaadin Editors Developers Guide

This page contains all information related to developing the Vaadin based editors and UIs.
See also the VaadinNotes for general information on Vaadin.

Development Environment Setup

Requirements

  1. Eclipse IDE: This guide assumes that you are using the Eclipse IDE. For installing and setting up eclipse, please see EclipsePreferencesforTeams
  2. Maven 3: Install maven either via your packagemanegment or download it from Maven
  3. Install the Eclipse Jetty Integration plugin (current version 3.9.0). Using the outdated run-jetty-run plugin (http://run-jetty-run.googlecode.com) is not recommended. If you need to use the RunJettyRun plugin for some reasonm make sure you are using version 9.0.0+ which is available via the nightly update site - http://run-jetty-run.googlecode.com/svn/trunk/updatesite-nightly. The reason for the specific version of Jetty is due to the dependency on Servlet 3.0+ API which is used in the project.
  4. Vaadin Plugin for Eclipse: For details on this plugin see section 2.4.2 from the Book of Vaadin. This plugin provides tools for compiling widgetsets, creating Vaadin specific objects and designing components using the included Vaadin Visual Designer.

Setup

Get the cdm-vaadin project source code with

git clone git@dev.e-taxonomy.eu/var/git/cdm-vaadin.git

and build the project with

mvn clean install

A. If you have the m2e eclipse plugin installed: Import the project via File->Import->Maven/Existing Maven Projects ...
B. Otherwise you need to run mvn eclipse:eclipse and import the project into Eclipse as File->Import->General/Existing Projects into Workspace ...

Now you need to create the configuration files for the data sources:

  1. In {home}/.cdmlibrary folder create a file cdmlib-remote.properties (if not yet exists) with an entry to a datasource e.g. cdm.datasource=testDataSource
  2. In the same folder copy/create a datasources.xml with the according datasource (testDataSource) in it:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
  xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd">

   <bean id="testDataSource"  lazy-init="true" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="com.mysql.jdbc.Driver"/>
        <property name="user" value="user"/>
        <property name="password" value="password"/>
        <property name="jdbcUrl" value="jdbc:mysql://localhost/testDataSource?autoReconnect=true&amp;autoReconnectForPools=true&amp;"/>
    </bean>
</beans>

Starting the Vaadin web app

There are various ways to start the Vaadin web app from the development environment.

Independently from the way you choose the application will run at http://localhost:8080. After launching check if http://localhost:8080/app-test/navi is available.

Further GUIs are available from the following endpoints:

SuperDev Mode

The Book of Vaadin describes the SuperDev mode in chapter 14.6.1. The wiki page Using SuperDevMode is also an valuable source of information.

The SuperDev mode is per default disabled in src/main/java/eu/etaxonomy/cdm/vaadin/AppWidgetSet.gwt.xml`:

<!--
     SuperDev mode is enabled default starting with GWT 2.6.0

     For more information and instructions see:
     https://vaadin.com/wiki/-/wiki/Main/Using%20SuperDevMode 
    -->
    <set-configuration-property name="devModeRedirectEnabled" value="false" />

    <inherits name="org.vaadin.peter.contextmenu.ContextmenuWidgetset" />

Once it is enabled the vaadin application requires also the Vaadin code server to run which listens per default at port 9876

Launch via Eclipse launchers

If the vaadin project is correctly set up a launcher configuration should be available which is named cdm-vaadin - run. If it is missing try to fix the Resource configuration in the project setting.
Please refer to EclipseLauncherConfigurations for further required preparation steps for using these launchers.

As last resort you can also import the cdm-vaadin jetty launch configuration in Eclipse by selecting File->Import->Launch Configurations and choosing the cdm-vaadin.launch file in the ide/eclipse directory (not recommended!).

Setting details of the launch configuration

  • Tab Webapp
    • Name: cdm-vaadin - run
    • Project: vaadin project
    • WebApp folder: src/main/webapp
    • HTTP/HTTPS port: 8080
  • Tab Dependencies (only the following check boxes are active)
    • Compile Scope [x]
    • Runtime Scope [x]
    • Test Scope [x]

Auto Login

The LoginPresenter class offers a auto login feature for developers. To activate the auto login you need to provide the user name and password using the environment variables cdm-vaadin.login.usr and cdm-vaadin.login.pwd, e.g.:

 -Dcdm-vaadin.login.usr=admin -Dcdm-vaadin.login.pwd=00000

SuperDev Mode

No prepared launcher available TODO

Launch via the Maven Jetty plugin

Start the Vaadin application:

mvn jetty:run

SuperDev Mode

Start the code server for the SuperDev mode

mvn vaadin:run-codeserver

The command

mvn vaadin:run

also starts the code server. As of the documentation mvn vaadin:help this should start the widget in Hosted Mode but only the Code Server seems to be running.

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