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WEBDSL

Domain-Specific Language for Web Applications


REPOSITORY MOVED TO GITHUB, NEW PRE-INSTALLED ECLIPSE ZIPS, AND A WEBDSL.ORG
UPDATE

by Danny Groenewegen at 2 Jul 2015 22:09



The source code repositories have been migrated to github:

https://github.com/webdsl/webdsl https://github.com/webdsl/webdsl-editor

Eclipse zips are now maintained again in our buildfarm:

http://buildfarm.metaborg.org/view/WebDSL/job/webdsl-eclipsegen/lastSuccessfulBuild/artifact/dist/

The webdsl.org site’s ancient CSS has been replaced with Bootstrap components.




MIGRATED WEBDSL BUILDS AND TESTS TO JENKINS BUILDFARM

by Danny Groenewegen at 31 Mar 2015 13:50



For WebDSL compiler and editor building and testing we are now using Jenkins at
http://buildfarm.metaborg.org/.

Latest compiler jar can be downloaded from:

http://webdsl-2015.ewi.tudelft.nl/compiler/webdsl.zip

Latest Eclipse updatesite is still at:

http://webdsl.org/update




UBUNTU SERVER OR VPS INSTALLATION

by Danny Groenewegen at 29 Jan 2013 13:59



I’ve added some more detailed instructions in the manual on installing a WebDSL
application and its requirements on an Ubuntu server or VPS.

Lightweight VPS




NIGHTLY BUILDS

by Danny Groenewegen at 11 Oct 2012 19:39



Nightly builds of the WebDSL Eclipse plugin are available through the update
site http://webdsl.org/update/nightly. This provides easy access to the latest
developments.




WEBDSL ECLIPSE PLUGIN 1.2.9

by Danny Groenewegen at 24 Feb 2012 17:05



WebDSL Eclipse Plugin 1.2.9 has been released:

 * Session entities stored entirely in database

 * New syntax for page and template defines (old syntax still supported):
   
   page root(){}, template main(){}, ajax template foo(){}

 * Added db=h2 and db=h2mem options for using H2 database engine

 * Added support for File/Image.download() in page/template init block
 * Extended search capabilities see manual
 * Recommendations see manual

WebDSL Roadmap: http://yellowgrass.org/roadmap/WebDSL




WEBDSL ECLIPSE PLUGIN 1.2.8

by Danny Groenewegen at 4 Jun 2011 13:45



WebDSL Eclipse Plugin 1.2.8 has been released, new features:

 * input templates with instant ajax validation
 * page/template override, use override modifier when redefining a built-in
   page/template, such as errorTemplateInput errorTemplateForm
   errorTemplateAction validation templates, accessDenied pagenotfound pages
 * asynchronous email sending
 * allowed property annotation
 * methods for Date Time DateTime: addSeconds addMinutes addHours addDays
   addMonths addYears
 * SQL logging for page rendering
 * indexdir and javacmem application.ini options
 * predicate function in Entity
 * if expression: if(e1) e2 else e3




WEBDSL ECLIPSE PLUGIN 1.2.7

by Danny Groenewegen at 14 Feb 2011 14:08



Version 1.2.7 has been released, noteworthy features:

 * Run plugin compiler from command-line: Command-line use
 * ‘rule template * ( * ){ true }’ is now added by default to each application
   (http://yellowgrass.org/issue/WebDSL/202)
 * new input templates for Date, DateTime, and Time

More information about bugs fixed in this release can be found on the WebDSL
Roadmap: http://yellowgrass.org/roadmap/WebDSL




WEBDSL ECLIPSE PLUGIN 1.2.6

by Danny Groenewegen at 4 Jan 2011 11:39



Version 1.2.6 of the WebDSL Eclipse plugin has been released, this update
includes the following changes:

generated spans

In previous versions, spans were generated around template calls. The span
elements received a class attribute containing the template name. The no-span
template modifier disabled this behavior. no-span is now the default, to avoid
cluttering page source with spans. Add the span modifier to templates that were
previously using it for matching CSS rules. Since no-span is the default, it no
longer has any effect, therefore using it will trigger the following warning:

“warning: The ‘no-span’ modifier is obsolete, spans are no longer added by
default.”

immutables

Arguments (non-ref) and for loop iterators can no longer be assigned to, this
reduces the overhead of lifting (reference argument is not necessary), and it is
also a common source of errors (e.g. when forgetting “this.” and assigning to
argument in a setter method). Assigning to such variables will show an error:

“Assignment to this variable is not allowed.”

built-in templates

table, row, column, group (= fieldset containing a table), groupitem (= row)

Tables no longer automatically generate rows and columns. This behavior was not
very reliable, especially when working with ajax. This change also affects
group, which uses a table inside. A common pattern was to have a label with
input in a groupitem, which automatically generated separate columns for label
and input, this can be reconstructed by replacing label with labelcolumns:

labelcolumns("input i: "){ input(i) }
  ->
<td><label for="123">input i: </label></td>
<td><input id="123" /></td>


menu

The String argument of the menubar template has been removed. menuitems must be
added to applications that were previously using built-in menu templates:

menubar{
  menu
  {
    menuheader{ ... }
--> menuitems{ <---
      menuitem{ ... }
      menuitem{ ... }
--> } <---
  }
}





WEBDSL TUTORIAL: EVENT PLANNER

by Danny Groenewegen at 12 Nov 2010 15:50



The Event Planner application tutorial is now available: Tutorials page




WEBDSL ECLIPSE PLUGIN 1.2.2

by Danny Groenewegen at 2 Nov 2010 12:58



We have just released version 1.2.2 of the WebDSL plugin for Eclipse (download
here). There have been numerous improvements over the last few months:

 * on-save editor analysis of whole project
 * code completion for variable, function and template names
 * syntax templates in action code and template definitions
 * https support (manual)
 * asynchronous emailing (manual)

We are now more actively using the roadmap feature of Yellowgrass, for keeping
track of WebDSL improvements and releases: http://yellowgrass.org/roadmap/WebDSL




PLUGIN WIZARD IMPROVEMENTS

by Danny Groenewegen at 9 Jul 2010 17:58



WebDSL Eclipse plugin version 1.1.5 includes improvements to the new project
wizard. This wizard will now generate a Tomcat server configuration with
settings for increased JVM heapspace and permgenspace, avoiding errors when
redeploying. A project build will also automatically start the server and open a
browser on the root page when the application is deployed. The new convert
project wizard allows converting projects that contain WebDSL code to a proper
WebDSL plugin project. It can also be used to repair the project configuration
files.






SEARCH WEBDSL.ORG

by Danny Groenewegen at 18 Jun 2010 14:20



WebDSL.org now has search.

Example searches: entity ac* con* val* ajax




PLUGIN V1.1.1

by Nathan Bruning at 26 May 2010 22:11



We’ve released a new plugin version 1.1.1. The main features of this release
are:

 * an up-to-date WebDSL compiler
 * better hover & reference resolving support
 * many performance improvements
 * database integrity checking, as described in the post below

Update your installation using the Eclipse Update Manager.

Please provide any bugs, issues and feedback on Yellowgrass.




DATABASE INTEGRITY CHECKING

by Sander Vermolen at 25 May 2010 16:00



Manually editing databases, removing database constraints or system crashes can
break database integrity. References may break and unique columns may no longer
be unique. As of the latest plugin (trunk), WebDSL offers an integrity checker.
Targeted at those developers in favor of a little manual database tweaking.
Click the ‘Database Integrity Check’ button and you will get a SQL script that
prints all database integrity violations. Useful for debugging integrity errors,
for reapplying database constraints, or simply for sanitizing your database.




PLUGIN 1.0.12

by Danny Groenewegen at 31 Mar 2010 14:00



Plugin version 1.0.12 is available, main improvement in this version:

‘build automatically’ no longer has to be enabled in Eclipse, the plugin invokes
the Eclipse Java compiler instead of relying on automatic build. Another benefit
is that Java compilation errors are more visible (no longer hidden under the
‘problems’ view). If you run into java compilation errors, please report an
issue on http://yellowgrass.org/project/WebDSL




PLUGIN UPDATE

by Danny Groenewegen at 22 Mar 2010 15:25



The plugin has been updated to version 1.0.10. This update includes recent bug
fixes in the WebDSL compiler, and also a new code generation cache optimization
implemented by Nathan Bruning.

The plugin (full) build now generates three Ant files with a single task, to
make the common build operations more convenient to use:

clean-project
full-build
build-code-only


For more information, go to the plugin page: WebDSLplugin




ISSUE TRACKER

by Sander Vermolen at 13 Feb 2010 11:42



WebDSL now has its own issue tracker on YellowGrass. It can be found at:

http://yellowgrass.org/project/WebDSL

If you find any bugs, have suggestions for improvements or have any questions,
feel free to post an issue.




WEBDSL ECLIPSE PLUGIN

by Danny Groenewegen at 2 Feb 2010 14:59



The WebDSL Eclipse plugin is now available, it includes the WebDSL compiler.

The plugin will be used in the Model-Driven Software Development course for
Computer Science MSc students at Delft University of Technology.

installation instructions

If you encounter any issues, or want to give feedback, please use the mailing
list:

https://mailman.st.ewi.tudelft.nl/listinfo/webdsl 





THE BIG SCHEME OF THINGS: EPISODE 1

by Eelco Visser at 21 Sep 2009 20:39



“The Big Scheme of Things” is a series of screencasts that illustrates the use
of WebDSL, by building a (to-do list) web application from scratch. In the first
episode I keep it really simple and create a single page app that allows us to
add and remove tasks. First I show how to get an even simpler “Hello web!” app
running.

http://blog.eelcovisser.net/index.php?/archives/115-The-Big-Scheme-of-Things-Episode-1.html




ROOT() IS THE NEW HOME()

by Zef Hemel at 20 Aug 2009 11:15



The main entry point of applications used to be the home() page, but has been
renamed to root(), which maps to the / URL. E.g. for an application that is
deployed to http://localhost:8080/myapp, the URL http://localhost:8080/myapp/
now dispatches the root() page instead of redirecting to the /home page, which
it did before.

If your application does not have a page named root, with no arguments defined,
it will give an error message.




UNICODE

by Danny Groenewegen at 19 Aug 2009 11:35



WebDSL applications now (svn revision 2922) explicitly use Unicode (utf-8)
characters instead of relying on defaults (which often resulted in latin-1, e.g.
in a Mysql database). A tool is provided to convert old databases:

1 backup your database (in case the script needs a fix) with:

mysqldump -u dbuser -p dbname > file


2 install the new webdsl and run:

webdsl cleanall build convert-to-unicode


3 deploy the webdsl app:

webdsl deploy


Some random characters: Ωжன்其भुῶنَб




NEW STYLE

by Danny Groenewegen at 17 Jul 2009 17:22



Uploaded a new style for WebDSL.org today. Although WebDSL has some styling
abstractions, this was done using a custom CSS. WebDSL templates are
automatically surrounded by spans with the template name as class, so it is easy
to hook CSS to specific templates.




ACODA

by Sander Vermolen at 28 May 2009 12:34



Released a data migration tool to automatically migrate WebDSL databases along
evolving WebDSL applications. Acoda takes two versions of a WebDSL application
and a WebDSL database as input and yields a new WebDSL database conforming to
the new application.

Acoda web site




NEW WEBDSL.ORG

by Danny Groenewegen at 30 Mar 2009 23:30



Welcome to the new WebDSL.org. This site will be the main source of information
about WebDSL, a domain-specific language for developing dynamic web applications
with a rich data model.

update.webdsl.org Open in urlscan Pro 131.180.119.44 Public Scan

Form analysis 1 forms found in the DOM

Name: form18ed37fb356582236da5b04067fac62f2a — POST https://update.webdsl.org/

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update.webdsl.org Open in urlscan Pro
131.180.119.44 Public Scan

Form analysis
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