Loiane Groner - Ext JS 4 First Look

Loiane Groner , Brazilian-born (and raised), lives in So Paulo and began her IT career developing Java web applications. While at university, she demonstrated great interest in IT. She worked as an assistant teacher for two and a half years, teaching algorithms, data structures, and computing theory. She represented her university at the ACM International Collegiate Programming Contest Brazilian Finals (South America Regionals) and also worked as a Student Delegate of SBC (Brazilian Computing Society) for two years. She won a merit award in her senior year for being one of the top three students with better GPAs in the Computer Science department and also graduated with honors.

After three years of Java development, she got a job opportunity at IBM Brazil, where she developed Java and Ext JS applications for an American company, for two years. At IBM, she became the Team Leader and was responsible for training new hires in Java, XML, and Ext JS technologies. Nowadays, she works as a Senior Software Engineer at Citibank Brazilian Technology Solutions Center, where she develops overseas solutions. She also works as an independent Ext JS consultant and coach.

Loiane is passionate about Ext JS and Java, and she is the CampinasJUG (Campinas Java Users Group) Leader and ESJUG (Espirito Santo Java Users Group) coordinator; both are Brazilian JUGs.

Loiane also contributes to the software development community through her blogs, http://loianegroner.com (English) and http://loiane.com (Portuguese-BR), where she writes about careers in IT, Ext JS, Spring Framework, and general development notes.

I would like to thank my parents for giving me education, guidance, and advice, through all these years, and helping me to be a better human being and professional. A very special "thank-you" to my lovely husband, for being patient and supportive and giving me encouragement. Also, thanks to my friends for all the support.

Neil McCall graduated from University of Wales, Aberystwyth, with a degree in Software Engineering. Having already based his dissertation on Usability in User Interface Design, he then pursued his interest in GUI development and usability, through projects ranging from e-commerce websites to enterprise applications, employing bleeding-edge technologies over a variety of frameworks. Ext JS is Neil's first choice for client-side coding with JavaScript, which can be read about on his blog, http://neiliscoding.blogspot.com/, and also in his contributions to the Sencha site guides and forums.

Olivier Pons is a programmer and web developer who's been building websites since 1997. In 2011, he left a full-time job as a Delphi and PHP developer to concentrate on the development of his own websites. He currently runs a number of web sites, including http://www.papdevis.fr and http://olivierpons.fr, his own web development blog. He sometimes works as a consultant; he is specialized in website quality overview and is also a teacher at the University of Sciences of Aix-en-Provence, France, where he teaches C++, advanced VIM techniques, and Eclipse environment.

Paolo Tremadio is an Italian web developer and web designer, who is passionate about User Interface and User Experience. He grew up in a family of advertisers, who inspired him to take courses in principles, visual design, enhancing creativity, and understanding web technology. A few years before jQuery came out, he took JavaScript, and he loved JS from the first line of code.

He has the 1000 ideas syndrome ; currently, he works at a startup in London, while being a consultant for various companies in the UK as well as Italy. His passion is to use technology every day in order to enhance the quality of life.

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Preface

Ext JS 4 introduces major changes compared to Ext JS 3. There is a new data package, new charts, and new, updated layouts. The framework was completely rewritten to boost performance.

This book covers all the major changes and new features of Ext JS 4 using code examples, explanation, and screenshots of the result of the code. This book will help you understand the framework changes and you will be able to easily migrate Ext JS 3 applications and develop new Ext JS 4 applications using the presented examples.