The Rails View_ Creating a Beautiful and Maintainable User Experience ( PDFDrive com )

TheRailsV iew Cr eatingaBeautifulandMaintainableUser Experience byJohnAthayde,BruceW illiams V ersion:P1.1(April2012)Copyright©2012Pragmat icProgrammers,LLC.This bookislicensedtotheindividualwhopurchasedit.W edon'tcopy-protectitbecause thatwouldlimityourabilitytouseitforyourownpurposes.Pleasedon' tbreakthis trust—youcanusethisacrossallofyourdevicesbutpleasedonotsharethiscopy withothermembersofyourteam,withfriends,orviafilesharings ervices.Thanks. —Dave&Andy . Manyofthedesignationsusedbymanufacturer sandsellerstodistinguishtheirproductsare claimedastrademarks.Wherethosedesignati onsappearinthisbook,andThePragmatic Programmers,LLC wasawareofatrademarkclaim,thedesignationshavebeenprintedininitial capitallettersorinallcapitals.ThePragmaticStarte rKit,ThePragmatic Programmer ,PragmaticProgramming,PragmaticBookshelfandthelinking g devicearetrademarksofThePragmaticProgrammers, LLC. Everyprecautionwastakenintheprepar ationofthis book.However ,thepublisherassumesnoresponsibilityforerrorsoromissions, orfordamagesthatmayresultfromtheuseofinformation(includingprogram listings)containedherein. OurPragmaticcourses, workshops,andotherproductscanhelpyouandyourteamcreatebettersoftware andhavemorefun.Formoreinformation,aswellasthelatestPragmatictit les, pleasevisitusat http://pragprog.com . T ableofContents Acknowledgments Preface T amingtheW ildW est WhoShouldReadThisBook? RubyandRailsV ersions WhatIsintheBook? HowtoReadThisBook OnlineResources CreatinganApplicationLayout CreatingaBasicLayout SettingUpaBoilerplate BuildingthePageFrame AddingaSidebar AddingNavigation DisplayingNotifications V alidatingOurCode T estingInternetExplorer W rappingUp ImprovingReadability ChoosingaT emplatingLanguage StandardizingCodingPractices SimplifyingComplexOutput W orkingwithModels DisplayingConditionalContent AddingModelDOMIDsforJavaScript CleaningUp W rappingUp AddingCascadingStyleSheets UsingtheAssetPipeline LearningSCSS AddingSprites UsingW ebFonts W rappingUp AddingJavaScript UsingJavaScriptfromRails T estingAjax W rappingUp BuildingMaintainableForms UsingSemanticFormT ags BuildingCustomFormBuilders LookingT owardtheFutureofHTML5FormElements W rappingUp UsingPresenters PresentingaRecord PresentingMultipleRecords UsingPresentersforSerialization W rappingUp HandlingMobileV iews BuildingaFlexibleLayout TheNextLevelwithResponsiveDesign(@mediaqueries) UsingMobile-SpecificT emplates UsingjQueryMobile W rappingUp W orkingwithEmail BuildingaMailer HandlingEmailT emplates T estingLocally T estingAcrossClients W rappingUp OptimizingPerformance A/BT estingwithV anity PerformanceT estingandMaintenance W rappingUp WhereDoW eGofromHere? Appendices TheRailsV iewRules Bibliography Copyright©2012,ThePragmaticBookshelf. Whatr eadersar esayingaboutThe RailsV iew Thisisamust-readforRailsdeveloperslookingtojuiceuptheirskillsfora worldofwebappsthatincreasinglyincludesmobilebrowsersandalotmore JavaScript. → Y ehudaKatz DrivingforcebehindRails3.0andCo-founder ,T ilde Inthepastseveralyears,I’vebeenprivilegedtoworkwithsomeoftheworld’ s leadingRailsdevelopers.Ifaskedtonamethebestview-layerRailsdeveloper I’vemet,I’dhaveahardtimepickingbetweentwonames:BruceW illiamsand JohnAthayde.Thisbookisarareopportunitytolookintothemindsoftwoof theleadingexpertsonanareathatreceivesfartoolittleattention.Rea d,apply , andreread. → ChadFowler VP Engineering,LivingSocial Finally!Anauthoritativeandup-to-dateguidetoeverythingview-relatedi n Rails3.Ifyou’restabbinginthedarkwhenputtingtogetheryourRailsapps’ views, TheRailsV iew providesabigconfidenceboostandshowshowtoget thingsdonetherightway . → PeterCooper Editor ,RubyInsideandRubyW eekly TheRailsviewlayerhasalwaysbeenamorass,butthisbookreinsitinwith detailsofhowtobuildviewsassoftware,notjustasmarkup.Thisbook representsthewisdomgainedfromyears’ worthofbuildingmaintainable interfacesbytwoofthebestandbrightestmindsinourbusiness.Ihavebeen writingRubycodeforoveradecadeandRailscodesinceitsinception,andout ofalltheRubybooksI’veread,Ivaluethisonethemost. → RichKilmer Director ,RubyCentral Acknowledgments W ehavemanypeopletothankformakingthisveryambitiousbookpossible. Firstofall,asthisisabookaboutRails,alotofcreditmustgotothecreatorof theframework,DavidHeinemeierHansson,themembersofrails-core(pastand present),andothercontributors.Theideasinthisbookaredistilledfromyearsof discussionandcollaborationwiththeRailsandRubycommunities. Throughoutourcareerswe’vedrawninspirationandmotivationfromanumber ofwebluminaries,andwewouldberemissinfailingtomentionatleastafewof them:DanCederholm,MollyHolzschlag,PaulIrish,JeremyKeith,SteveKrug, EricMeyer ,JakobNielsen,MarkPilgrim,andJeffr eyZeldman. W eweresurprisedtolearnthatanumberofpeopleactuallyvolunteeredtor ead thebookbeforeitwascomplete,therebyputtingtheirownsanityatrisk.W e’d liketothankthesebravesoulsfortheirhelpinidentifyingissues,suggesting topics,andotherwisevastlyimprovingthetext:DerekBailey ,KevinBeam, DavidA.Black,DavidBock,DanielBretoi,Jef fCasimir ,BJClark,Jef fCohen, JustinDell,JoelFriedman,JeremyHinegardner ,MarkMar golis,DanReedy , SamRose,LorenSands-Ramshaw ,DiegoScataglini,T iborSimac,Charley Stran,MarkT abler ,andL ynnM.W allenstein. Thisbooksimplywouldnothavebeencompletedifnotforouramazingeditor , BrianHogan.Hecontinuouslychallengedourpreconceptionsandhelpedto clarifyourintent,allwithseeminglyunboundedpatienceandclass.Andwe promise,Brian,we’llneveragainutilize utilize inourwriting(except forthat timerightthere). ManythankstoRichKilmer ,ChadFowler ,AaronBatalion,andourcolleagues intheengineering,design,andproductteamsatLivingSocial.Y oukeepus hungrytowineveryday ,constantlybuildingpressuretoinnovate,whichmakes usbetterdesignersanddevelopers. Johnwouldliketothankhissupportivewife,Whitney ,forherpatienceand encouragementthroughouttheprocess;hisparents,grandparents,andextended familyfortheirloveandsupportandforpurchasingthatMacSEbackintheday withHypercardinstalled;allthemembersof#caboosefortheirpatienceand discussionovertheyears;JustinHankinsandSaraFlemmingforalltheyearsof experimentinginHTML,CSS,andRailswithMeticulous;andAmyHoyforan intenseyearofbusiness,design,anddevelopmentbootcampwhilerunning HyphenatedPeoplewithhim.HealsothanksBruceforagreeingtobeacoauthor sothatthisbookcouldrisetoitspotential. Brucecreditsthecareandsupportofhiswife,Melissa,andhistwosons, BraedynandJamis,fortheuncharacteristiclevelofdeterminationandattent ion he’ smanagedtofocusonthissingleproject,whichbrokeanynumberof personalrecords.Also,Bruce’ slifewouldhaveturnedoutverydifferentlywere itnotfortheloveofhismother ,Monique,andfather ,Bruce(theelder),anda variedanddistributedfamilyhe’ sproudtocallhisown,eveniftheydo occasionallycallhimfortechsupport.T ohiscoauthor ,Bruceof fersanequal shareofsincerethanksandrampantdesignskilljealousy .Somethingsdonot change.Finally ,Brucewouldliketodedicatehisworkonthisbooktothe memoryofhisbrother ,T ristanEppler . JohnAthayde&BruceW illiams March2012 john@therailsview.com | bruce@therailsview.com Copyright©2012,ThePragmaticBookshelf. Pr eface In2004,RailswasbornandthewebdiscoveredtheMVC (model-view-controller)patterninearnest,whichbroughtawholenewlevelof productivityand fun toaworldofdevelopersanddesigners. Y ou’llfindnoendofbooksthatprovideafirmfoundationforwritingcontrollers andmodels(whichbenefitgreatlyfrombeingwrittentop-to-bottominplain Ruby),butwhenitcomestoviews—thatmeetingplaceofRuby ,HTML, JavaScript,andCSS(nottomentiondevelopersanddesigners)—what’ sa disciplinedcraftsmantodo? ThisbookaimstowidenthediscussionofRailsbestpracticestoincludesolid, objectiveprincipleswecanfollowwhenbuildingandrefactoringviews.Bythe timeyou’refinishedreading,you’llunderstandhowyoucanstructureyourfront endtobelessbrittleandmoreef fectiveandboostyourteam’ sproductivity .

The Rails View_ Creating a Beautiful and Maintainable User Experience ( PDFDrive com )

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