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symfony, AJAX
                                              and me you
                                                                      Dave Dash
                                                                    Spindrop LLC
                                                                   Minneapolis USA




Dave Dash // Spindrop.us // 2007 September 7
* Beginner’s track: Ajax + symfony
* Who’s used symfony/other frameworks/ajax? Who’s a novice?
* Who can tell us what Ajax is?
* AJAX makes web pages more responsive by exchanging small amounts of data with server behind the scenes
* interactions are recorded quickly
* AJAX is secretly DRY (=
you at yo eat y peat ep
                                                                                           urs ours your
                                                                               rse
                                                                          don lf. do elf. d elf.                    s
                                                                                                     on’ don’
                                                                                ’t re n’t
                                                                      rep              pea repe t rep t
                                                                  you eat yo t y                     at y      eat
                                                                                              our
                                                                         rse          urs                our
                                                                  don lf. do elf. d self.                     self




                                                                                                D RY
                                                                                                on’ don’ .
                                                                          ’t re n’t
                                                               rep
                                                                     eat peat repea t rep t rep
                                                            you                         you t yo eat y
                                                                            you
                                                                 rse
                                                                       lf. d rself. rself urse ou
                                                            don                           don . don lf. do
                                                                  ’t re on’t
                                                         rep
                                                              eat peat repea ’t rep ’t rep n
                                                       you                        you t yo eat y eat
                                                                     you
                                                           rse
                                                                lf. d rself. rself urse ours
                                                       don                          don . don lf. do el
                                                            ’t re on’t
                                                     rep          pea repe ’t rep ’t re n’t r
                                                   you eat yo t y                               eat peat e
                                                                                      at y
                                                                  urs ours
                                                      rse                                  our       you       you
                                                          lf. d         elf.         elf.
                                                   don                                         self
                                                                             don don . do rself.
                                                                on’
                                                 rep ’t rep t re                                                do
                                                                                    ’t re ’t r          n’t
                                                    eat                     pea
                                                              eat                         pea epea repe
                                                                     you t yo
                                                        you                                   t yo t yo at
                                                              rse                      urs
                                                                            rse
                                                                                lf. d elf. ursel urse
                                                                   lf. d
                                                          you            on’                                       lf
                                                                                                don f. d
                                                                                      on’
                                                                rse           t re                  ’t re on’t
                                                                                          t re
                                                                      lf. d         pea        pea        pea r
                                                                            on’
                                                                                 t re t you t you t yo
* coders don’t repeat self, we use DRY, we make functions to do work that’s been done already


                                                                                       pea rsel                     u
                                                                                                          rse
* server should be no different, why re-serve content again. Just sent what needs updating
* how revolutionary!

                                                                                           t yo f. do lf. do
* AJAX instrumental to my introduction to symfony
* 2 years ago Gmaps API caught my attention
                                                                                                urs       n’t
                                                                                                    elf.      rep
                                                                                                                  e
As easy as riding a bike




* Google Maps API
* I started biking (not like Amsterdam in Minneapolis)
* Bike Routing over Google Maps
* AJAX interactions to retrieve/set the route coordinates
* Soon, digg posted a tutorial about creating a digg like interactions using a PHP framework
* creating a digg like interactions
* This was my gateway to the askeet tutorial for symfony and I was sold immediately
* AJAX has been around a while
* Gmail, g-apps made it very popular, pushed envelope
* Open to a whole new world
* Digg meaningless w/o AJAX
* 849 people aren’t going to wait for a form to submit
* Cope with info-overload.
* Many articles to digg!
* Increase in responsiveness/usability opens door to new features/apps

      * star-raters

      * getting a perspective into web2.0 users mind
* web apps > collection of database driven modules/actions
* each page fully featured interactive tools

      * pull/push data as needed
* Francois suggested we can turn pages into static and using AJAX to populate the dynamic parts
* Questions?
Steps

symfony and AJAX
* AJAX manually = slow
* sf bundled with Prototype/Script.aculo.us
* helpers?
* helpers make AJAX in symfony easier
* coding consistent = no JS required
* AJAX Javascript Helpers in symfony mostly work in four steps

      * There is an object

      * It has an event

      * The event triggers an AJAX call

      * The response usually replaces the content of a target div.
* There's plenty of useful variations on this theme pattern

DEMO!
* Everything so far relies on Prototype and Script.aculo.us
* Some of us don’t like being boxed in.
boxed in?
* symfony does not box you in.
* helpers, bundling libs are great
* prototype/script.aculo.us no for everyone

     * jQuery, YUI (like Dustin in the other talk), mooTools, dojo
* lots of good libraries, more than one way to
* sf is decoupled, dependencies are minimal if any.

     * even the ORM swappable
* As for using other libraries, you can find plugins to do your job, and if none exist Fabien tomorrow
will show you how to write your own.
* all it takes is writing a helper and bundling the library and you can be prototype free in no time.
* Don't go home thinking you have to learn proto/scrip
* any more questions, or demos?

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Ajax and symfony

  • 1. symfony, AJAX and me you Dave Dash Spindrop LLC Minneapolis USA Dave Dash // Spindrop.us // 2007 September 7 * Beginner’s track: Ajax + symfony * Who’s used symfony/other frameworks/ajax? Who’s a novice? * Who can tell us what Ajax is? * AJAX makes web pages more responsive by exchanging small amounts of data with server behind the scenes * interactions are recorded quickly * AJAX is secretly DRY (=
  • 2. you at yo eat y peat ep urs ours your rse don lf. do elf. d elf. s on’ don’ ’t re n’t rep pea repe t rep t you eat yo t y at y eat our rse urs our don lf. do elf. d self. self D RY on’ don’ . ’t re n’t rep eat peat repea t rep t rep you you t yo eat y you rse lf. d rself. rself urse ou don don . don lf. do ’t re on’t rep eat peat repea ’t rep ’t rep n you you t yo eat y eat you rse lf. d rself. rself urse ours don don . don lf. do el ’t re on’t rep pea repe ’t rep ’t re n’t r you eat yo t y eat peat e at y urs ours rse our you you lf. d elf. elf. don self don don . do rself. on’ rep ’t rep t re do ’t re ’t r n’t eat pea eat pea epea repe you t yo you t yo t yo at rse urs rse lf. d elf. ursel urse lf. d you on’ lf don f. d on’ rse t re ’t re on’t t re lf. d pea pea pea r on’ t re t you t you t yo * coders don’t repeat self, we use DRY, we make functions to do work that’s been done already pea rsel u rse * server should be no different, why re-serve content again. Just sent what needs updating * how revolutionary! t yo f. do lf. do * AJAX instrumental to my introduction to symfony * 2 years ago Gmaps API caught my attention urs n’t elf. rep e
  • 3. As easy as riding a bike * Google Maps API * I started biking (not like Amsterdam in Minneapolis) * Bike Routing over Google Maps * AJAX interactions to retrieve/set the route coordinates * Soon, digg posted a tutorial about creating a digg like interactions using a PHP framework
  • 4. * creating a digg like interactions * This was my gateway to the askeet tutorial for symfony and I was sold immediately * AJAX has been around a while * Gmail, g-apps made it very popular, pushed envelope * Open to a whole new world * Digg meaningless w/o AJAX * 849 people aren’t going to wait for a form to submit * Cope with info-overload. * Many articles to digg! * Increase in responsiveness/usability opens door to new features/apps * star-raters * getting a perspective into web2.0 users mind * web apps > collection of database driven modules/actions * each page fully featured interactive tools * pull/push data as needed * Francois suggested we can turn pages into static and using AJAX to populate the dynamic parts * Questions?
  • 5. Steps symfony and AJAX * AJAX manually = slow * sf bundled with Prototype/Script.aculo.us * helpers? * helpers make AJAX in symfony easier * coding consistent = no JS required * AJAX Javascript Helpers in symfony mostly work in four steps * There is an object * It has an event * The event triggers an AJAX call * The response usually replaces the content of a target div. * There's plenty of useful variations on this theme pattern DEMO!
  • 6. * Everything so far relies on Prototype and Script.aculo.us * Some of us don’t like being boxed in.
  • 7. boxed in? * symfony does not box you in. * helpers, bundling libs are great * prototype/script.aculo.us no for everyone * jQuery, YUI (like Dustin in the other talk), mooTools, dojo * lots of good libraries, more than one way to * sf is decoupled, dependencies are minimal if any. * even the ORM swappable * As for using other libraries, you can find plugins to do your job, and if none exist Fabien tomorrow will show you how to write your own. * all it takes is writing a helper and bundling the library and you can be prototype free in no time. * Don't go home thinking you have to learn proto/scrip * any more questions, or demos?