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UI Development

Set up the Maven Build

Create a GitHub user account if you don't already have one.
Set up your local git environment according to Sage’s GitHub Security guidance
Fork the Sage-Bionetworks SynapseWebClient repository into your own GitHub account: https://help.github.com/articles/fork-a-repo
Clone

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your fork of SynapseWebClient project

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to your

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local machine and enter the project root directory
Code Block
language bash
git clone https://github.com/[YOUR

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GITHUB NAME]/SynapseWebClient.git

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The synapse.version tag in root pom.xml has the form 2012-08-06-3e90a85-44, it has the date (2012-08-06) and the first 7 chars of the commit hash, 3e90a85.
Now, from an up-to-date clone of Synapse-Repository-Services on your local box:
mvn clean install -Dorg.sagebionetworks.database.drop.schema=true
cd integration-test
mvn cargo:run

Set up the Eclipse Build

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Internal Sage developers will be added as a developer on the project and will be able to push directly
External contributors should fork the repository and submit GitHub Pull Requests for code inclusion

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cd SynapseWebClient
If you didn't set up the global pre-commit hook in step #2, set up a local pre-commit hook to detect secrets (do this for all repos that you clone in the future!):
Code Block
git secrets --install git secrets --register-aws

Set up upstream with

Code Block
git remote add upstream https://github.com/Sage-Bionetworks/SynapseWebClient

Fetch and merge changes from the Sage Bionetworks repo, which was named upstream:
Code Block
git fetch upstream

Configure or update your Maven configuration settings.xml

The file needs to placed in $HOME/.m2/settings.xml (e.g. jane/.m2/settings.xml)

This should be the content of this file:

settings.xml

Code Block

language	xml

<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
                      http://maven.apache.org/xsd/settings-1.0.0.xsd">
  <localRepository/>
  <interactiveMode/>
  <usePluginRegistry/>
  <offline/>
  <pluginGroups/>
  <servers/>
  <mirrors/>
  <proxies/>
  <profiles>
    <profile>
      <id>dev-environment</id>
      <activation>
        <activeByDefault>true</activeByDefault>
      </activation>
      <properties>
		<org.sagebionetworks.portal.endpoint>http://127.0.0.1:8888/Portal.html</org.sagebionetworks.portal.endpoint>
        <org.sagebionetworks.repositoryservice.endpoint>https://repo-prod.prod.sagebase.org/repo/v1</org.sagebionetworks.repositoryservice.endpoint>
        <!-- insert properties described below here -->
        <!-- <org.sagebionetworks.repositoryservice.endpoint>https://repo-staging.prod.sagebase.org/repo/v1</org.sagebionetworks.repositoryservice.endpoint> -->
      </properties>
    </profile>
  </profiles>
  <activeProfiles/>
</settings>

Development

You may use an IDE of your choice. Instructions for setting up IntelliJ IDEA and Eclipse can be found below.

To run the app in development mode, run yarn install then yarn dev. This will launch two processes:

The GWT Codeserver, which watches for source changes
An Apache Tomcat docker container that will host the web application

As you make changes to the source code, changes will be picked up in the app when you refresh the page.

Instead of running yarn dev, you can alternatively use a Maven plugin (e.g. mvn gwt:run) or IDE integration. Please note that depending on your IDE/plugin configuration, your environment may be subtly different than the production system (e.g. many GWT plugins deploy a Jetty server, when we use Tomcat in production), which can result in differences in behavior.

IDE Setup Instructions

This section contains instructions for setting up various IDEs to develop SynapseWebClient

Expand

title	Setup with Eclipse

Install the latest Eclipse (for Java Development)
Install the Google Plug-in for Eclipse. Do not include GWT SDK in the install (GWT SDK will be installed by the maven install). Do not install the Google App Engine Maven Integration.
Import the project as a maven project

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1. File → Import → Maven → Existing Maven Projects
2. Next, in Root Directory enter the local path to your repository clone
3. Next, Finish

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Now right click on portal (project name) -> Team -> Share Project
Next, Select repository type Git
Next, Check the box "Use or create repository in parent folder of project
Next, Finish

You need to make sure the GWT xml files are on the classpath. All of these resources can be found in src/main/resources and src/test/resources directories.
1. Right-click on portal (project name)

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1. → Build Path → Configure Build Path...
2. Remove the "Exclude" filter from the source tab on the src/main/resources and src/test/resources directories.
We need to tell the GWT Eclipse-plugin that this is a GWT project. Do this by Right-Clicking on the project in the package explorer and select: Google

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→ Web Toolkit Settings...
1. From the resulting dialog make sure the "Use Google Web

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1. Toolkit" check box is selected.
2. Also make sure you are using

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From the tree on the left of the dialog navigate to Google->Web Application
Check the the check box: "This project has a WAR directory"
With the "Browse" button, select "src/main/webapp"
UN-CHECK the "Launch and deploy from this directory" This is very important, if you keep this checked then Maven will not be able to generate a clean WAR file. If you see "GWT needs to recompile" when you deploy your WAR then you probably have this box checked.

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1. the GWT SDK from your local maven repository (.m2/repository/com/google/gwt)
Verify GWT can compile your code
1. Right-Click on the project from the package explorer.
2. Select

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1. Google→GWT Compile...
2. Under the "

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1. Entry Point Modules" you should see "

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1. PortalDebug - org.sagebionetworks.web", if not, then add it with the add button.

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1. Remove the "Portal - org.sagebionetworks.web" entry.
2. The first time you run this you will be asked to select the output directory where GWT will compile the code. You want this to match the Maven WAR output directory, so use "target/portal-<VERSION>-SNAPSHOT"
3. If you get compilation errors from the JavaScript validator (i.e. NullPointerException), navigate to the project's

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1. properties → JavaScript → Include Path → Source, and exclude all files from the source. If an OutOfMemoryError was thrown while compiling, you can click the "Advanced" tab towards the bottom of the Google

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1. → GWT Compile window and add "-Xms512M -Xmx1524M" to the VM arguments to increase heap space.

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Right-Click on the project in the package explorer.
Select: Run As->Run Configurations...
Select the GWT Web Application run configuration named Portal.html.
1. If the run configuration is not present, perform step 18. When the OutOfMemoryError occurs, restart Eclipse.
Click on the Arguments tab.
In the VM arguments, add "-XX:MaxPermSize=512m"

SWC uses Sass. SCSS compilation is done by Maven during the compile step. To do this automatically in Eclipse (without compiling the entire app), we can add a custom builder

Open the project properties and navigate to Builders

Create a new Program Builder

Set the Location value to the installed node binary: ${workspace_loc:/portal/node/node}
Set the Working directory to the SWC project (e.g. ${workspace_loc:/portal})

Set the following arguments:

Code Block

${workspace_loc:/portal/node/yarn/dist/bin/yarn.js}
sass
--no-source-map
--style=compressed
--unicode
--stop-on-error
--update 
--load-path=node_modules
src/main/webapp/sass:target/portal-develop-SNAPSHOT/generated

Under Build Options - Allocate Console, Launch in background, and run this builder during all operations listed.

Since we're using Jetty in Eclipse, we also need to make sure our JavaScript dependencies that we pulled from NPM are copied to the src/main/webapp folder
1. Open the project properties and navigate to Builders
2. Create a new Ant Builder
  1. Set the Buildfile to ${workspace_loc:/portal/copy_eclipse_deps.xml}
  2. Set the Base Directory to ${workspace_loc:/portal}
  3. Go to the Targets tab. For "Auto Build", click "Set Targets" and select copy
If the GWT Compile successfully compiled, then you're ready to run the application.
1. Right-Click on the project in the package explorer
2. Select: Run As

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1. → GWT Development Mode with Jetty, and select Portal.html
2. Double-click on the link provided in the Development Mode window to view the portal in your browser.

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When the root pom.xml's version changes (upon each sprint's release), your dev mode will be broken (giving either a 404 or a 503 error when you try to view the page at http://127.0.0.1:8888/Portal.html?gwt.codesvr=127.0.0.1:9997. To fix this you can try the following things:

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To run the unit tests:
1. Right-Click on the project from the package explorer.
2. Select: Run As → JUnit Test

Eclipse Workspace Settings verification:

Set file encoding to UTF-8 and the line-endings (for new files) to Unix, so that text files are saved in a format that is not specific to the Windows or Mac OS and most easily shared across heterogeneous developer desktops:

Open Preferences
Navigate to the Workspace preferences: General → Workspace
Change the Text File Encoding to UTF-8
Change the New Text File Line Delimiter to Other and select Unix from the drop-down

Expand

title	Setup with Intellij IDEA

Download IntelliJ IDEA
1. The community edition is free
2. The Ultimate edition requires purchasing a license. It includes enhanced support for GWT, but it’s not necessary for development.
Import the SynapseWebClient project into IntelliJ by File → New Project From Existing Sources... <Select Path to SWC Location>
(Optional) Setup running the GWT codeserver and Jetty instance from IntelliJ IDEA Ultimate
1. In the Menu bar Run > Edit configurations
2. Click the "+" button to add an new configuration and choose "GWT Configuration".
3. This is what the configuration looks like on Windows, adapt the file paths to your project repository's location
  1. Dev Mode Parameter should be:
    1. -war target/portal-develop-SNAPSHOT
      Image Added
4. The "Before Launch" tools can be ignored.
  1. It is simply a shortcut a execute the same command executed by the libsass-maven-plugin in the root pom.xml if using Maven to run GWT.
  2. The alternative is to run this command manually in the command line, whenever the CSS gets messed up.
    sass --no-source-map --load-path=node_modules --style=compressed --unicode --stop-on-error --update "./src/main/webapp/sass":"./target/portal-develop-SNAPSHOT"
    - This is caused by the GWT runner in IntelliJ sometimes clearing out the /target directory when recompiling
    - Even setting up SASS command in the "before launch" does ensure the CSS is compiled automatically
      - The CSS will be compiled immediately before the GWT server runs. The GWT server then clears out the /target folder containing the compiled CSS
      - The only benefit to the set up is that a tab for SASS is created next to the GWT Server's tab, which you can then manually run after the GWT server has started up.
      - This is very annoying and any improvements to this workflow would be greatly appreciated.
If running Maven manually run like so (see note below on saving build time by running in debug mode):
1. Run 'mvn clean install'
2. Run 'mvn gwt:run'
  1. Not recommended because it currently does not detect changes to the .ui.xml files, which forces you to kill, redo mvn clean install, and restart the server.
  2. Running in the IDE will detect .ui.xml changes

Troubleshooting

Check your exclusion filters through configure build path in Eclipse to assure nothing is excluded, then refresh and clean the SWC project.
(git) Pull the latest changes from the upstream repository.
Try to rebuild your Eclipse's Portal project and keep your files in place
:

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.
Perform a Maven update.

Delete your project from Eclipse (leave "Delete project contents on disk" UNCHECKED)
Go to the project root on your file system and delete .classpath, .project and the .settings/ folder
Go to

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"Set up with Eclipse" or "Set up with Intellij"

If using Eclipse, verify the web app directory is correct. Right-click on the project in the package explorer and select Properties:

From the tree on the left of the dialog navigate to Google → Web Application
Check the the check box: "This project has a WAR directory"
With the "Browse" button, select "src/main/webapp"
UN-CHECK the "Launch and deploy from this directory" This is very important, if you keep this checked then Maven will not be able to generate a clean WAR file. If you see "GWT needs to recompile" when you deploy your WAR then you probably have this box checked

If this still doesn't work, or your dev mode is broken for another reason (e.g. after an svn update), there are some further steps you can take.
(Check out this site for more information: http://www.eclipsezone.com/eclipse/forums/t61566.html)

Use the '-clean' argument.
1. One way to do this is to add -clean on its own line as the first line on the eclipse.ini file, and restart Eclipse.
Use a new workspace.
1. I followed the instructions in the site linked above. The gist of it is:
  1. Export your preferences to somewhere outside your Eclipse environment environment (Export

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1. 1. → General

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1. 1. → Preferences. Make sure that 'Export All' is checked.)
  2. Switch to a new workspace. (Switch Workspace

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1. 1. → Other, then name your new workspace.)
  2. Import your preferences into this new workspace (Import

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1. 1. → General

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1. 1. → Preferences, make sure 'Import All' is checked.)
  2. Import trunk as usual.

Technologies used

There are several technologies that we are currently utilizing in the portal. The following is a list of primers for each:

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Java!
Google Web Toolkit
React and the Synapse React Client
For dependency injection, an example of Inversion of Control (IoC), we are using a combination of GIN and Guice.
- Guice - is the base IoC technology but it is only fully functional in Server-side.
  http://code.google.com/docreader/#p=google-guice&s=google-guice&t=Motivation
- Gin - provides basic IoC for GWT client-side code.
  http://code.google.com/p/google-gin/wiki/GinTutorial
- Guice Servlet - This is a sub-project of Guice that allows dependency inject into Servelets
  . http://code.google
  .
  com/p/google-guice/wiki/ServletModule
Http REST calls are currently made using Spring's RestTemplate. http://blog.springsource.com/2009/03/27/rest-in-spring-3-resttemplate/
To create API REST stub-services we are using a combination of two technologies:
- Jersey - provides a quick and easy method for transforming simple POJO's into RESTful web services using annotations. http://jersey.java.net/nonav/documentation/latest/user-guide.html
- Grizzly - The GrizzlyWebContainerFactory makes it simple to start a local web container. http://blog.msbbc.co.uk/2008/11/java-using-jersey-and-grizzly-to-create.html

How to override configuration (obsolete, needs updating)

If you want to point it to a locally running instance of the repository service:

Run As->Run Configurations
click on the "Arguments" Tab
add to the VM Arguments -Dorg.sagebionetworks.rest.api.endpoint=http://localhost:8080/
Image Removed

Creating a new Maven + GWTproject

Mockito testing framework - mock dependent classes/interfaces to isolate test. Verify expected interactions (including async calls).
Bootstrap 3 UI framework (including a number of extras widgets), wrapped for GWT.
Markdown-it - for markdown processing . Extended the library by adding a number of plugins, available on npm. The Node.js plugin that's used to orchestrate the processing is called markdown-it-synapse
AWS js sdk - direct browser upload/download from s3-like storage.
jquery, moment js, font-awesome, mathjax, plot.ly, twitter, nodeca/pica (browser image resize), SparkMD5 (browser side md5 calculation), nchart and jsplumb (Dave's charting libraries for provenance), Google (analytics, search, closure-library, single sign on).
frontend-maven-plugin to install Node and Yarn at build-time, which provides numerous JavaScript dependencies via NPM.

End-to-end testing

Instructions on running end-to-end tests are included in this README.

How to limit GWT build permutations

To speed up build time, add the following property to your Maven settings.xml file

Code Block
<gwt.module.suffix>Debug</gwt.module.suffix>

How to point to a local instance of the Synapse backend

Follow the instructions on the Platform Bootstrap to set up local backend stack.
Build and launch a local backend stack. From an up-to-date clone of Synapse-Repository-Services on your local box:
1. Build the local stack by running mvn clean install -Dorg.sagebionetworks.database.drop.schema=true.
2. Now launch it:
  Code Block
  cd integration-test mvn cargo:run
3. Verify the services are running correctly by visiting http://localhost:8080/services-repository-develop-SNAPSHOT/repo/v1/version. You should see something like this:
  Code Block
  {"version":"develop-SNAPSHOT"}
In the SWC project root pom.xml, change the synapse.version tag to develop-SNAPSHOT, so that Maven utilizes artifacts that were built by running on your local stack.

Update the repository endpoint property in your maven settings.xml file:

Code Block
<org.sagebionetworks.repositoryservice.endpoint>http://localhost:8080/services-repository-develop-SNAPSHOT/repo/v1</org.sagebionetworks.repositoryservice.endpoint>

Restart the Portal app to load these properties from settings.xml.

Emails will not be sent when pointing to a local repo, the SynapseEmailService will instead write files to the devdata.sagebase.org s3 bucket in format <to_email_address>.json

How to point to a remote stack

Set the repository endpoint parameters in your maven settings.xml file.

To point to the development stack set:

Code Block
<org.sagebionetworks.repositoryservice.endpoint>https://repo-dev.dev.sagebase.org/repo/v1</org.sagebionetworks.repositoryservice.endpoint>

To point to staging set:

Code Block
<org.sagebionetworks.repositoryservice.endpoint>https://repo-staging.prod.sagebase.org/repo/v1</org.sagebionetworks.repositoryservice.endpoint>

To point to production set:

Code Block
<org.sagebionetworks.repositoryservice.endpoint>https://repo-prod.prod.sagebase.org/repo/v1</org.sagebionetworks.repositoryservice.endpoint>

Restart the Portal app to load this property from settings.xml.

Documenting complicated UI in the code

To get the big picture of widget relationships, sometimes it is helpful to have a picture. We are testing the use of tools like https://mermaid.js.org/ to help in these situations.

Compile Report

To generate a compile report, set enableClosureCompiler to false in the root pom.xml

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