open admin
DESCRIPTION
Open Admin is an open source framework for building administration programs based on GWT. The framework provides the ability to easily integrate Spring Security, SmartGWT, and JPA. Open Admin is a component of the Broadleaf Commerce framework and will be released to the open source community as part of BroadleafComerce version 1.5.TRANSCRIPT
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THE POWER OF PERSPECTIVE
Open Admin - GWTJava Track
Brian Polster
Credera
Copyright © 2011 Credera. All Rights Reserved.
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About the Speaker
Brian Polster
· Lead the Java Practice at Credera for past 5½ years
· Former Architect at American Airlines (www.aa.com)
· Founder of Broadleaf Commerce (eCommerce framework based on open source technologies)
www.credera.com
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Agenda· What is Open Admin
· GWT
– Overview
– Example
· Smart-GWT Primer
· Build a simple Open Admin Module
www.credera.com
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What is Open Admin?
· Component / Outcome of Broadleaf Commerce
– Built in Security
– Pluggable Module Metaphor
– Sandbox capability
– Release 1 Target – September
· Based on common open source components
– GWT
– Smart GWT
– Spring Security
– JPA / Hibernate
www.credera.com
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www.credera.comDemo – (Broadleaf Commerce Admin)
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www.credera.com
DemoBroadleaf Commerce Admin
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GWT (Google Web Toolkit)
Key Benefits (according to me ….)
· Emits JavaScript from Java
· Allows debugging of JavaScript using breakpoints in Java code
· RPC and GWT-RPC
· Shipped with component library that isextensible through JSNI
www.credera.com
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Google has good tutorials on GWT.
http://code.google.com/webtoolkit/gettingstarted.html
The sample provides a good background on the following:
· Google Compiler Configuration file (e.g. *.gwt.xml)
· HTML start page
· Entry Point Class(es)
· GWT Debugger
· GWT-RPC
GWT – Sample Application
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DemoGWT
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Smart GWT
· GWT wrapper over the Smart Client JavaScript library
· Provides hooks for data source interaction
· LPGL license for mostwidgets – company sellssupport and advancedfeatures
http://www.smartclient.com/product/smartgwt.jsp
www.credera.com
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DemoSmart GWT Showcase
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Open Admin Terminology
www.credera.com
Module
Section
Views
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Module
Section(s)
Open Admin Terminology
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View(s)
List Grid
Presenter
Event Handlers
Model
Order
Button
Form
Events
Customer
Datasource
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Simple Example - Step 1 of 3: Building The View
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public class SimpleView extends HLayout implements Instantiable, Display { public SimpleView() { setHeight100(); setWidth100(); }
public void build(DataSource entityDataSource) { new IButton("Click Me"); button.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { SC.say("Hello, World from smartGWT"); } });
addMember(button); }
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Simple Example - Step 2 of 3: Creating the Open Admin Module
public class SimpleModule extends AbstractModule {
public void onModuleLoad() { setModuleTitle("Tech Fest Module"); List<String> roles= new ArrayList<String>(); roles.add("ROLE_TECH_FEST_USER”); roles.add("ROLE_ADMIN");
setSection("Simple Example”, "viewKey”, SimpleView.class.getName(), roles);
registerModule();
}
}
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Simple Example - Step 3: Configuring the GWT Complier
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE module PUBLIC "-//Google Inc. <...> <module> <inherits name="com.google.gwt.user.User" /> <inherits name="org.broadleafcommerce.openadmin.openadmin" />
<entry-point class="techfest.client.simple.SimpleModule" /> <source path="client" />
</module>
Also need to add reference to the project *.gwt.xml file.
www.credera.com
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DemoSecurity
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Dynamic Form Generation
· The list grids and entry forms are generated automatically from the JPA and OpenAdmin configuration.
@Column(name = "MODEL”) // JPA @AdminPresentation // Open Admin (friendlyName="Product Model", order=4, group="Product Description", prominent=true)
· Open Admin field configuration can be done via an XML file or inline in the java class.
· Other attributes include: readOnly, securityLevel, and validation
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DemoReview Source for Order and Privilege
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Recap the Steps for Adding a JPA Data Driven Section
· Create the view by extend BasicListDetailView
– Setting the title fields
– Set the view handle (prefix)
· Create the presenter by extending DynamicEntityPresenter
– Specify the grid fields (optional)
– Tie-in the associated DataSourceFactory
· Create the DataSourceFactory by extending SimpleDataSourceFactory
– Set the class name for your JPA configured class
· Add a new section to your module that references the view and presenter.
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Summary
Benefits of Open Admin
– Helper classes to bridge SmartGWT DataSources and JPA
– Simple “Out of Box” view and presenter classes that make building a rich UI easy
– Configurable security based on Spring Security
Announcement …
– BLC Content Management Content targeting, structured content,
templated page development
www.credera.com
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· Our Company
– Full-service business and technology consulting firm
– Provide business and technology solutions that offer measurable value to our clients
– Deliver value by leveraging our people’s accumulated industry and management experience with their deep technical expertise
– Established in 1999
– Offices in Dallas, Austin, Denver
· Our Services
– Management Consulting
– Technology Solutions
– Business Intelligence
· Our People
– Credera’s professionals possess a unique combination of deep technical expertise with extensive business backgrounds
– Backgrounds include business, technology, and strategy management consulting with some of the most well-known and respected consulting firms in the world
– Have served many influential corporations in a variety of industries over the past 20 years
· Sample Clients
Credera is a Business and Technology Consulting Firm that Focuses on Leveraging Proven Technologies to Enable our Clients Business Strategy
www.credera.com
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Q&A
www.credera.com
Thank you for attending!
Contact Information:Brian Polster
Twitter: polster
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THE POWER OF PERSPECTIVE
Smart GWT & Open Admin
Brian PolsterCredera
Copyright © 2011 Credera. All Rights Reserved.