Ajax Applications with JSF 2 and New RichFaces 4 - JAX/JSF Summit

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Ajax Applications with JSF 2 and New RichFaces 4 at JAX/JSF Summit, San Jose, CA June 21, 2011

Ajax Applications with JSF 2 and New RichFaces 4 at JAX/JSF Summit, San Jose, CA June 21, 2011

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  • 1. Max Katz | Exadel Senior Systems EngineerAjax Applications with JSF 2 and New RichFaces 4 JAX/JSF Summit, San Jose, CA
  • 2. ExadelMax Katz● Senior Systems Engineer at Exadel● JSF,RichFaces, Java EE consulting, and training● Manages exadel.org – Exadels open source projects and community● Community manager for gotiggr.com prototypes and mobile apps builder
  • 3. Exadel 4 Author of Lead-author ofPractical RichFaces Practical RichFaces, 2/e (Apress) (Apress, Summer 2011)
  • 4. Exadel
  • 5. ExadelExadel is a global softwareengineering company.● Founded in 1998, headquarters in San Francisco Bay Area● 7 development offices in Europe● 350+ employees
  • 6. Exadel Exadel Offices Ekaterinburg Moscow Minsk Homyel 5 KharkovMunich Donetsk
  • 7. ExadelOpen Source with JBoss
  • 8. ExadelExadel Productsexadel.org gotiggr.com ◦ Flamingo ◦ Fiji ◦ jsf4birt ◦ JavaFX Plug-in for Eclipse
  • 9. ExadelExadel Services● Professional services● Rich enterprise application development● Eclipse development● Custom rich component development● Mobile development● Training
  • 10. ExadelThe Plan Is Simple1) Ajax features in JSF 22) The new RichFaces 4
  • 11. ExadelJavaServer Faces™ (JSF) is the standard component- based user interface (UI) framework for the Java EE (5 & 6) platform JSF 1.2 Java EE 5 JSF 2 Java EE 6
  • 12. Exadel JSF 2 is a major upgrade over JSF 1.x Many features, ideas takenfrom projects such as Seam, RichFaces, and others
  • 13. ExadelJSF 2 new features● Facelets ● New scopes● Composite ◦ Flash, View, components custom● Implicit ● Configuration navigation via annotations● GET ● Bean Validation support support ◦ h:link, h:button ● Basic Ajax● Resource loading
  • 14. ExadelJSF 2 <f:ajax>● Very basic Ajax functionality● Greatly inspired by RichFaces 3 <a4j:support> tag● Ajax in JSF in 3 easy steps: 1. Sending an Ajax request 2.Partial view processing 3.Partial view rendering
  • 15. Exadel<h:form> <h:input value="#{bean.word}"/> <h:commandButton> <f:ajax event="click" 1 execute="@form" 2 listener="#{bean.ajaxListener}" render="out1 out2"/> 3 </h:commandButton> <h:input value="#{bean.text}" id="out1"/> <h:input value="#{bean.phrase}" id="out2"/></h:form>
  • 16. Exadel<h:form> <h:input value="#{bean.word}"/> <h:selectOneMenu value="#{bean.selected}"> <f:selectItems value="#{bean.items}"/> <f:ajax event="change" 1 execute="@form" 2 listener="#{bean.ajaxListener}" render="@form"/> 3 </h:commandButton> <h:input value="#{bean.text}" id="out1"/> <h:input value="#{bean.phrase}" id="out2"/></h:form>
  • 17. Exadel Attribute ValueImportant Event on which to fire the<f:ajax> event Ajax requestattributes @all @this (default) @form execute @none ids EL @all @this @form render @none (default) ids EL
  • 18. Exadel Thats good, but where doyou get rich components and more?A rich component framework is still(?) needed to build real-world Ajax applications.
  • 19. Exadel Official RichFaces logoRichFaces 4 is a lightweight,open source framework for JSF 2
  • 20. ExadelRichFaces 4 – rich JSF framework ● UI components ◦ a4j:* tag library (core) ◦ rich:* tag library (UI) ◦ Components JavaScript API ● Skins ● Client-side validation (Bean Validation based) ● CDK – Component Development Kit
  • 21. ExadelRichFaces 4 100% built on top of JSF2, just extends functionality in JSF 2
  • 22. ExadelRichFaces 4 JavaScript is now entirelybased on the popular jQuery library
  • 23. ExadelRichFaces 4● All components are reviewed for consistency, usability● Redesigned following semantic HTML principles● Server-side and client-side performance optimization● Strict code clean-up and review
  • 24. ExadelRichFaces 4 New client-side validation based on Bean Validation (JSR 303)
  • 25. ExadelRichFaces 4 New, and easy to use CDK (Component Development Kit), allows quickly to build yourown custom rich components
  • 26. ExadelRichFaces 4Run on: Tomcat 6/7, Resin,JBoss AS 6/7, GlassFish 3.x, WebLogic(run on any server when JSF 2 application can be deployed)
  • 27. ExadelRichFaces 4 Run on: Google App Engine (GAE), Amazon EC2, CloudBees
  • 28. ExadelRichFaces 4 JSF implementations: Mojarra or MyFaces
  • 29. ExadelRichFaces 4 Any browser
  • 30. ExadelRichFaces 4 Tooling support through JBoss Tools, IntelliJ, NetBeans
  • 31. ExadelRichFaces 4Zero-configuration, just dropRichFaces into the application
  • 32. Exadel RichFaces versions Version JSF 1.1 JSF 1.2 JSF 2RichFaces 3.1.x •RichFaces 3.3.3* • •RichFaces 4 •* Note: RichFaces 3.3.3 has basic JSF 2 support
  • 33. ExadelRichFaces history2005: started by Alexander Smirnov2005-2007: Developed by Exadel Ajax4jsf - open source, free RichFaces - commercial2007: JBoss takes over Exadel team continues to develop the framework, project is known as RichFaces
  • 34. ExadelRichFaces 4 Lets look at RichFaces features in more detail...
  • 35. ExadelRichFaces 4 core – sendingan Ajax request● <a4j:ajax>● <a4j:commandButton>● <a4j:commandLink>● <a4j:jsFunction>● <a4j:poll>● <a4j:push>
  • 36. ExadelRichFaces 4Its important to say it again, RichFaces only extends and upgrades JSF 2...
  • 37. Exadel RichFaces <a4j:ajax> ● 100% based on standard <f:ajax> ● Just replace f: with a4j: and get exactly the same functionality ● But, you get extra features...<h:commandButton> <f:ajax execute="@form" render="output"/></h:commandButton><h:commandButton> <a4j:ajax execute="@form" render="output"/></h:commandButton>
  • 38. Exadel <a4j:ajax> attributesFeature/Attribute Description JavaScript to execute before Ajaxonbegin request JavaScript to execute after responseonbeforedomupdate comes back but before DOM updateoncomplete JavaScript to execute after DOM update Allows to skip JSF phases whenbypassUpdates validatinglimitRender Turns off all auto-rendered panelsstatus Status to display during Ajax requestAjax queue Advanced RichFaces client queue
  • 39. Exadel<a4j:commandButton/Link> –button and link with built-in Ajaxbehavior<a4j:commandButton value="Save" action="#{bean.action}" render="output" /><a4j:commandLink value="Save" action="#{bean.action}" render="output" />
  • 40. ExadelWhen using standard JSF button:<h:form> <h:inputText> <h:selectOneMenu> Need to set <h:commandButton> execute=”@form” <f:ajax execute="@form"/> (or execute=”id1 id2”) </h:commandButton><h:form>When using RichFaces button:<h:form> RichFaces default <h:inputText> <h:selectOneMenu> value for <a4j:commandButton/> button/link<h:form> execute=”@form”
  • 41. Exadel<a4j:jsFunction> – fire Ajax requestfrom any JavaScript function, HTMLevent<table> ... <td onmouseover="update(yellow)"/> ...</table><h:form> <a4j:jsFunction name="update" action="#{bean.change}" render="..."> <a4j:param value="param1" assignTo="#{bean.color}"/> </a4j:jsFunction></h:form>
  • 42. ExadelIf you had to pick just one Ajaxcontrol, you would want<a4j:jsFunction><h:commandButton action="#{bean.change}"> <a4j:ajax render="id"/></h:commandButton>Is the same as: <h:commandButton onclick="sendAjax();"/> <a4j:jsFunction name="sendAjax" action="#{bean.change}" render="id"/>
  • 43. Exadel<a4j:poll> – periodically send anAjax request<a4j:poll interval="1000" action="#{bean.count}" render="output" enabled="#{bean.pollEnabled}" /><h:panelGrid id="output">...</h:panelGrid>
  • 44. Exadel <a4j:push> ● Server-side events are pushed to client using Comet or WebSockets. ● Implemented using Atmosphere ● Providesexcellent integration with EE containers, and advanced messaging services<a4j:push address="topic@chat" ondataavailable="alert(event.rf.data)" />
  • 45. ExadelRichFace 4 core – advancedrendering features● <a4j:outputPanel>● limitRender attribute● render=”{bean.renderList}”
  • 46. Exadel<a4j:outputPanel> – auto renderedpanel<a4j:commandButton value="Save" action="#{bean.save}"><a4j:commandButton value="Edit" action="#{bean.edit}"><a4j:outputPanel ajaxRendered="true"> <h:panelGrid> ... </h:panelGrid></a4j:outputPanel><a4j:outputPanel ajaxRendered="true"> <rich:dataTable> ... </rich:dataTable></a4j:outputPanel>
  • 47. ExadelTurning off auto rendered panels<a4j:commandButton value="Save" action="#{bean.save}"><a4j:commandButton value="Edit" action="#{bean.edit}" render="edit" limitRender="true"><a4j:outputPanel ajaxRendered="true"> <h:panelGrid> ... </h:panelGrid></a4j:outputPanel><h:panelGrid id="edit"> <rich:dataTable> ... </rich:dataTable></h:panelGrid>
  • 48. Exadelrender=”#{bean.renderList}”JSF RichFaces1) Ajax request sent 1) Ajax request sent2) Component ids to be 2) Component ids to rendered resolved be rendered3) Component ids are resolved rendered into the page 3) Component ids4) 2nd Ajax request is sent. are rendered In this request the components (resolved in step 2 are sent with request) will be rendered
  • 49. ExadelRichFace 4 core – advancedexecute features● <a4j:region>● bypassUpdates attribute
  • 50. Exadel<a4j:region> – defining executeregion declaratively<h:form> <a4j:region> <h:inputText /> <h:inputText /> <h:selectOneMenu /> <a4j:commandButton /> <a4j:region></h:form>
  • 51. ExadelSkippingphaseswhenvalidating1.Restore View2.Apply Request Values3.Process Validation4.Update Model5.Invoke Application6.Render Response <h:inputText id="name" value="#{bean.name}"/> <a4j:ajax event="blur" bypassUpdates="true"/> </h:inputText> <rich:message for="name"/>
  • 52. ExadelJavaScript callbacks during Ajaxrequest<a4j:commandLink value="Link" onbegin="ajaxOnBegin()" onbeforedomupdate="ajaxOnBeforeDomUpdate()" oncomplete="ajaxOnComplete()"></a4j:commandLink>
  • 53. ExadelJSF 2 queue● JSF2 has very basic queue functionality● Events are queued and fired one at a time● Only one request is processed on the server at a time
  • 54. Exadel<a4j:queue> – “combining” eventsfrom the same component While a request is executing on the server, all requests from button A or button B will be combined (merged) if the last event in the queue is of the same type.<a4j:queue />...<a4j:commandButton id="buttonA" value="Button A"/><a4j:commandButton id="buttonB" value="Button B"/>
  • 55. Exadel<a4j:queue> – “combining” eventsfrom different components While a request is executing on the server, all requests from button A or button B will be combined (merged).<a4j:queue /><a4j:commandButton id="buttonA" value="Button A"> <a4j:attachdQueue requestGroupingId="ajaxGroup"/></a4j:commandButton><a4j:commandButton id="buttonB" value="Button B"> <a4j:attachdQueue requestGroupingId="ajaxGroup"/></a4j:commandButton>
  • 56. Exadel<a4j:queue> – setting request delayallows “waiting” for requests fromsame component in order to mergeevents<a4j:queue requestDelay="1000"/><a4j:commandButton id="buttonA" value="Button A"> <a4j:attachdQueue requestDelay="2000"/></a4j:commandButton><a4j:commandButton id="buttonB" value="Button B"/>
  • 57. Exadel<a4j:queue> – ignoring “stale”responses<a4j:queue requestDelay="2000 ingoreDupResponses="true"/><h:inputText value="#{bean.state}"> <a4j:ajax event="keyup" listener="#{bean.load}" render="states"/></h:inputText>
  • 58. ExadelRichFace 4 core – moreadvanced features● <a4j:status>● <a4j:param>● <a4j:log>● JavaScript interactions
  • 59. Exadel <a4j:status> – Ajax request status<a4j:status name="ajaxStatus"> <f:facet name="start"> <h:graphicImage value="ajaxStatus.jpg"/> </f:facet></a4j:status><h:form> <a4j:commandButton status="ajaxStatus"/></h:form>
  • 60. Exadel<a4j:param> - like <f:param>, butsimpler as it also assigns the value toa bean property automatically<a4j:commandButton value="Save"> <a4j:param value="1009" assignTo="#{bean.product}"/></a4j:commandButton>public class Bean { private String product; public void setProduct (String product) {...}}
  • 61. ExadelAnother great feature is that<a4j:param> value can contain anyJavaScript expression or JavaScriptfunction, when noEscape="true"<a4j:param name="width" value="(jQuery(window).width()/2)" assignTo="#{bean.screenWidth}" noEscape="true" />
  • 62. Exadel<a4j:log> – Ajax request/responseinformation, logging
  • 63. ExadelRichFaces UI components● Output, panels● Input● Menu● Data iteration● Tree● Drag and drop● Client side validation● Miscellaneous
  • 64. Exadelrich:tabrich:accordionrich:progressBar
  • 65. ExadelMore rich output, panels● rich:panel● rich:togglePanel● rich:popupPanel● rich:collapsiblePanel● rich:toolTip
  • 66. Exadel<rich:popupPanel> can be modal andnon-modal<rich:popupPanel modal="false"> <f:facet name="header"> Edit User </f:facet> ... ...</rich:popupPanel>
  • 67. Exadelrich:calendarrich:inplaceInputrich:inputNumberSliderrich:autocomplete
  • 68. ExadelMore rich input● rich:inputNumberSpinner● rich:inplaceSelect● rich:select● rich:fileUpload
  • 69. Exadelrich:panelMenurich:toolBarrich:dropDownMenu
  • 70. Exadelrich:dataTablerich:dataTable withrich:collapsibleSubTablerich:dataScroller
  • 71. ExadelRichFaces data iteration componentssupport partial updates render="@column" render="@header" render="@body" render="@footer" render="cellId"To render from outside the table:render="tableId@header"render="tableId@body"render="tableId@footer"
  • 72. Exadel Deciding what rows/cell to update in run-timerender="tableId:rows(bean.rowsSet)"render="tableId:rows(bean.rowsSet):cellId"
  • 73. ExadelNew collapsible sub table component
  • 74. Exadel<rich:dataTable> supports columnand row spanning
  • 75. Exadel<rich:extendedDataTable> provideslazy loading, column resizing, reorderand more
  • 76. ExadelMore rich data iteration● a4j:repeat● rich:extendedDataTable● rich:collapsibleSubTable● rich:list ◦ list | ordered | definition● rich:dataGrid● rich:column ◦ Column and row spanning ◦ Filtering, sorting
  • 77. Exadelrich:tree
  • 78. ExadelDrag and drop
  • 79. ExadelMany RichFaces componentsprovide client-side JavaScript API<rich:popupPanel> JavaScript APIMethod name Description Return the top co-ordinate for the position ofgetTop() the pop-up panel. Return the left co-ordinate for the position ofgetLeft() the pop-up panel. Move the pop-up panel to the co-ordinatesmoveTo(top,left) specified with the top and left parameters. Resize the pop-up panel to the size specifiedresize(width,height) with the width and height parameters.show() Show the pop-up panel.hide() Hide the pop-up panel.
  • 80. ExadelInvoking component JavaScript APIusing #{rich:component(id)}function<input type="button" onclick="#{rich:component(popup)}.show();" value="Open" /><rich:popupPanel id="popup"> <h:outputLink value="#" onclick="#{rich:component(popup)}.hide(); return false;"> <h:outputText value="Close"/> </h:outputLink></rich:popupPanel>
  • 81. ExadelInvoking component JavaScript APIusing <rich:componentControl>component<h:outputLink value="#"> <h:outputText value="Open" /> <rich:componentControl event="click" target="popup" operation="show" /></h:outputLink><rich:popupPanel header="RichFaces" id="popup"> <h:outputLink value="#"> <h:outputText value="Close" /> <rich:componentControl event="click" target="popup" operation="hide" /> </h:outputLink></rich:popupPanel>
  • 82. Exadel<rich:accordion id="c"> <rich:accordionItem header="New York" name="nyc"> <h:outputText value="You selected New York"/> </rich:accordionItem> <rich:accordionItem header="San Francisco" name="sf"> <h:outputText value="You selected San Francisco"/> </rich:accordionItem> ...</rich:accordion>
  • 83. Exadel<input type="button" value="New York City" onclick="#{rich:component(c)}.switchToItem(nyc)"/><input type="button" value="San Francisco" onclick="#{rich:component(c)}.switchToItem(sf)"/><input type="button" value="Los Angeles" onclick="#{rich:component(c)}.switchToItem(la)"/><input type="button" value="First" onclick="#{rich:component(c)}.switchToItem(@first)"/><input type="button" value="Next" onclick="#{rich:component(c)}.switchToItem(@next)"/><input type="button" value="Previous" onclick="#{rich:component(c)}.switchToItem(@prev)"/><input type="button" value="Last" onclick="#{rich:component(c)}.switchToItem(@last)"/>
  • 84. ExadelRichFaces client functions Function Descriptionrich:client(id) Returns component client idrich:element(id) Returns DOM element Returns RichFaces client componentrich:component(id) instance to call JS API methodrich:isUserInRole(role) Returns if the user has specified role Returns component instance for givenrich:findComponent(id) short id
  • 85. ExadelStandard Java EE security with#{rich:isUserInRole(role)} function<rich:panel header="Admin panel" rendered="#{rich:isUserInRole(admin)}"> Very sensitive information</rich:panel> <rich:panel header="User panel"> General information</rich:panel>● Calls facesContext.getExternalContext.getUserInRole(role)● Whats good is that security roles can be defined anywhere
  • 86. ExadelClient-side validation based on Bean Validation (JSR 303) New in RichFaces 4
  • 87. ExadelBean Validation (JSR 303)JSF 2 has support for Bean Validation(validation done on server)Bean:public class Bean { @Pattern(regexp="...") private String email;}JSF page:<h:inputText id="email" value="#{bean.email}"> <a4j:ajax event="blur"/></h:inputText><rich:message for="email"/>
  • 88. ExadelClient-Validation Based on BeanValidationValidation is performed on the client. If no clientimplementation available, validation automatically fallsback to standard, server validationBean:public class Bean { @Pattern(regexp="...") private String email;}JSF page:<h:inputText id="email" value="#{bean.email}"> <rich:validator /></h:inputText><rich:message for="email"/>
  • 89. ExadelCross field validation with<rich:graphValidator>@Size(min=5,max=15)private String password1;@Size(min=5,max=15)private String password2;@AssertTrue(message="Passwords dont match")public boolean checkPassword() { return password1.equals(password1);}<rich:graphValidator value="#{bean}" id="crossField"> <h:inputText value="#{bean.password1}"/> <h:inputText value="#{bean.password2}"/> <rich:message for="email" for="crossField"/></rich:graphValidator>
  • 90. ExadelRich miscellaneous● <rich:componentControl>● <rich:hashParam>● <rich:jQuery>
  • 91. Exadel <rich:componentControl> ● Allows to call JS API on a component in declarative fashion<h:outputLink id="openLink" value="#"> <h:outputText value="Open" /> <rich:componentControl event="click" operation="show" target="popup" /></h:outputLink><rich:popupPanel id="popup">...</rich:popupPanel>
  • 92. Exadel<rich:hashParam> - createsJavaScript hash, can be passed toanother client function.<h:commandButton value="Show popup"> <rich:componentControl target="pp" operation="show"> <rich:hashParam> <f:param name="width" value="500" /> <f:param name="height" value="300" /> <f:param name="minWidth" value="300" /> <f:param name="minHeight" value="150" /> </rich:hashParam> </rich:componentControl></h:commandButton
  • 93. ExadelUsing jQuery with <rich:jQuery><input type="button" id=" value="Update panel"/><rich:jQuery selector="#changeButton" event="click" query="$(#nycInfo .rf-p-hdr).text(New York City); $(.rf-p-b).css(color, blue);" />
  • 94. ExadelUsing jQuery when page rendered tocreate zebra-like styling for table
  • 95. Exadel<style> .even-row { background-color: #FCFFFE; } .odd-row { background-color: #ECF3FE; }</style><rich:dataTable id="gamesTable"> // columns</rich:dataTable><rich:jQuery selector="#gamesTable tr:odd" query="addClass(odd-row)" /><rich:jQuery selector="#gamesTable tr:even" query="addClass(even-row)" />
  • 96. ExadelInvoking <rich:jQuery> as a regularJavaScript function with mouse over<h:graphicImage width="100" value="/images/venice.png" onmouseover="larger(this, {})" onmouseout="normal(this, {})" /><rich:jQuery name="larger" query="animate({width:241px})" /><rich:jQuery name="normal" query="animate({width:100px})"/>
  • 97. ExadelSkins
  • 98. ExadelSkins● Lightweight extension on top of CSS● Change look and feel of all rich component with a few minor changes● Can be applied to standard JSF and HTML tags as well
  • 99. ExadelReady-to-use skins● classic● wine● blueSky● ruby● emeraldTown● deepMarine <context-param>● plain <param-name>org.richfaces.skin</param-name> <param-value>ruby</param-value>● japanCherry </context-param>
  • 100. ExadelRichFaces Skin file#ColorsheaderBackgroundColor=#900000headerGradientColor=#DF5858headerTextColor=#FFFFFFheaderWeightFont=boldgeneralBackgroundColor=#f1f1f1generalTextColor=#000000generalSizeFont=11pxgeneralFamilyFont=Arial, Verdana, sans-serifcontrolTextColor=#000000controlBackgroundColor=#ffffffadditionalBackgroundColor=#F9E4E4
  • 101. ExadelSkins● Modify existing or create your own <context-param> <param-name>org.richfaces.skin</param-name> <param-value>myCoolSkin</param-value> </context-param>● Change skins in runtime <context-param> <param-name>org.richfaces.skin</param-name> <param-value>#{bean.skin}</param-value> </context-param>
  • 102. ExadelOverwriting Skin CSS<style>.rf-p-hdr { color: … font-size: … font-weight: … font-family: …}</style><rich:panel>...</rich:panel>
  • 103. ExadelOverwriting Skin CSS<style>.rf-p-hdr { // overwrite skin CSS properties}.specialHeader { // define custom CSS for specific panel}</style><rich:panel id="panel1">...<rich:panel><rich:panel id="panel2" headerClass="specialHeader">...<rich:panel>
  • 104. ExadelSkinning standard JSF tags andHTML tagsApply to each control:<h:button style="background-color: #{richSkin.tableBackgroundColor}"/>
  • 105. ExadelSkinning standard JSF tags andHTML tags automaticallyApply to all standard controls (JSF and HTML):<context-param> <param-name> org.richfaces.enableControlSkinning </param-name> <param-value>true</param-value></context-param>
  • 106. ExadelSkinning standard JSF tags andHTML tags only when special CSSclass is applied to parent container<context-param> <param-name> org.richfaces.enableControlSkinningClasses </param-name> <param-value>true</param-value></context-param><div class="rfs-ctn"> <h:outputText /> <h:inputText /> <h:commandButton /></div>
  • 107. Exadel Where can I try the new RichFaces 4?http://richfaces.org/showcase
  • 108. Exadel How can we help with RichFaces● Web development with RichFaces Training Days● Version 3 to 4 migration JSF 1.2, 2 1-2● Performance tune-up RichFaces 3, 4 1-2 JSF and RichFaces 2-3● Custom component RichFaces 3 to 4 1-2 development● On-site training
  • 109. ExadelRichFacesRich, flexible, robust, andproven enterprise-levelextension to JSF 2
  • 110. ExadelThere is just one more thing...
  • 111. ExadelTry it at: http://gotiggr.com
  • 112. ExadelTry it at: http://gotiggr.com
  • 113. Exadelmax@exadel.com@maxkatzmkblog.exadel.comgotiggr.com