Author: abelevich Date: 2009-08-18 11:30:03 -0400 (Tue, 18 Aug 2009) New Revision: 15204 Added: root/examples/trunk/components/core-demo/src/main/java/org/ajax4jsf/ root/examples/trunk/components/core-demo/src/main/java/org/ajax4jsf/component/ root/examples/trunk/components/core-demo/src/main/java/org/ajax4jsf/component/behavior/ root/examples/trunk/components/core-demo/src/main/java/org/ajax4jsf/component/behavior/AjaxBehavior.java root/examples/trunk/components/core-demo/src/main/java/org/ajax4jsf/renderkit/ root/examples/trunk/components/core-demo/src/main/java/org/ajax4jsf/renderkit/AjaxBeahaviorRenderer.java root/examples/trunk/components/core-demo/src/main/java/org/ajax4jsf/tag/ root/examples/trunk/components/core-demo/src/main/java/org/ajax4jsf/tag/AjaxHandler.java root/examples/trunk/components/core-demo/src/main/webapp/WEB-INF/ajax-taglib.xml root/examples/trunk/components/core-demo/src/main/webapp/pages/ root/examples/trunk/components/core-demo/src/main/webapp/pages/support.xhtml Modified: root/examples/trunk/components/core-demo/src/main/webapp/WEB-INF/web.xml Log: a4j:support behavior basic functionality Added: root/examples/trunk/components/core-demo/src/main/java/org/ajax4jsf/component/behavior/AjaxBehavior.java =================================================================== --- root/examples/trunk/components/core-demo/src/main/java/org/ajax4jsf/component/behavior/AjaxBehavior.java (rev 0) +++ root/examples/trunk/components/core-demo/src/main/java/org/ajax4jsf/component/behavior/AjaxBehavior.java 2009-08-18 15:30:03 UTC (rev 15204) @@ -0,0 +1,92 @@ +package org.ajax4jsf.component.behavior; + +import java.util.HashMap; + +import javax.el.ValueExpression; +import javax.faces.component.behavior.FacesBehavior; +import javax.faces.context.FacesContext; + +/** + * @author Anton Belevich + * + */ +(a)FacesBehavior(value=&quot;org.ajax4jsf.behavior.Ajax&quot;) +public class AjaxBehavior extends javax.faces.component.behavior.AjaxBehavior { + + public static final String BEHAVIOR_ID = "org.ajax4jsf.behavior.Ajax"; + + public static final String EVENT = "event"; + + private String event; + + public String getEvent() { + if (this.event != null) { + return this.event; + } + + ValueExpression expression = getValueExpression("event"); + + if (expression != null) { + FacesContext ctx = FacesContext.getCurrentInstance(); + return (String)expression.getValue(ctx.getELContext()); + } + + return null; + } + + public void setEvent(String event) { + this.event = event; + clearInitialState(); + } + + @Override + public Object saveState(FacesContext context) { + + Object[] values; + Object superState = super.saveState(context); + + if (initialStateMarked()) { + if (superState == null) { + values = null; + } else { + values = new Object[] { superState }; + } + } else { + values = new Object[2]; + values[0] = superState; + values[1] = this.event; + } + return values; + } + + @Override + public void restoreState(FacesContext context, Object state) { + + if (state != null) { + + Object[] values = (Object[]) state; + super.restoreState(context, values[0]); + + if (values.length != 1) { + this.event = (String)values[1]; + clearInitialState(); + } + } + } + + + + public void setValueExpression(String name, ValueExpression binding) { + if(EVENT.equals(name) && binding.isLiteralText()) { + this.event = (String)binding.getValue(FacesContext.getCurrentInstance().getELContext()); + clearInitialState(); + } else { + super.setValueExpression(name, binding); + } + } + + @Override + public String getRendererType() { + return BEHAVIOR_ID; + } +} Added: root/examples/trunk/components/core-demo/src/main/java/org/ajax4jsf/renderkit/AjaxBeahaviorRenderer.java =================================================================== --- root/examples/trunk/components/core-demo/src/main/java/org/ajax4jsf/renderkit/AjaxBeahaviorRenderer.java (rev 0) +++ root/examples/trunk/components/core-demo/src/main/java/org/ajax4jsf/renderkit/AjaxBeahaviorRenderer.java 2009-08-18 15:30:03 UTC (rev 15204) @@ -0,0 +1,69 @@ +package org.ajax4jsf.renderkit; + +import java.util.Map; + +import javax.faces.application.ResourceDependencies; +import javax.faces.application.ResourceDependency; +import javax.faces.component.UIComponent; +import javax.faces.component.behavior.ClientBehavior; +import javax.faces.component.behavior.ClientBehaviorContext; +import javax.faces.component.behavior.ClientBehaviorHolder; +import javax.faces.context.FacesContext; +import javax.faces.render.ClientBehaviorRenderer; +import javax.faces.render.FacesBehaviorRenderer; +import javax.faces.render.RenderKitFactory; + +import org.ajax4jsf.component.behavior.AjaxBehavior; +import org.ajax4jsf.javascript.JSFunction; +import org.richfaces.context.PartialViewContextImpl; + +/** + * @author Anton Belevich + * + */ +(a)FacesBehaviorRenderer(rendererType=&quot;org.ajax4jsf.behavior.Ajax&quot;,renderKitId=RenderKitFactory.HTML_BASIC_RENDER_KIT) +@ResourceDependencies({ + @ResourceDependency(name="jquery.js", target="head"), + @ResourceDependency(name="richfaces.js", target="head") +}) +public class AjaxBeahaviorRenderer extends ClientBehaviorRenderer { + @Override + public void decode(FacesContext context, UIComponent component, ClientBehavior behavior) { + System.out.println("AjaxBeahaviorRenderer.decode()"); + } + + @Override + public String getScript(ClientBehaviorContext behaviorContext, ClientBehavior behavior) { + String script = null; + if(behavior instanceof AjaxBehavior) { + script = buildAjaxCommand(behaviorContext, (AjaxBehavior)behavior); + } + return script; + } + + public String buildAjaxCommand(ClientBehaviorContext behaviorContext, AjaxBehavior behavior) { + UIComponent parent = behaviorContext.getComponent(); + FacesContext context = behaviorContext.getFacesContext(); + + JSFunction ajaxFunction = AjaxRendererUtils.buildAjaxFunction(parent, context, "RichFaces.ajax"); + + Map<String, Object> options = buildOptions(context, behavior, parent); + ajaxFunction.addParameter(options); + + return ajaxFunction.toString(); + } + + public Map<String, Object> buildOptions(FacesContext context, AjaxBehavior behavior, UIComponent parent) { + Map<String,Object> options = AjaxRendererUtils.buildEventOptions(context, parent); + String event = behavior.getEvent(); + if(event == null) { + ClientBehaviorHolder bHolder = (ClientBehaviorHolder)parent; + event = bHolder.getDefaultEventName(); + //TODO: if default event name == null (log or throw exception ???) + } + options.put(PartialViewContextImpl.BEHAVIOR_EVENT_PARAMETER, event); + options.put("execute", behavior.getExecute()); + options.put("render", behavior.getExecute()); + return options; + } +} Added: root/examples/trunk/components/core-demo/src/main/java/org/ajax4jsf/tag/AjaxHandler.java =================================================================== --- root/examples/trunk/components/core-demo/src/main/java/org/ajax4jsf/tag/AjaxHandler.java (rev 0) +++ root/examples/trunk/components/core-demo/src/main/java/org/ajax4jsf/tag/AjaxHandler.java 2009-08-18 15:30:03 UTC (rev 15204) @@ -0,0 +1,120 @@ +package org.ajax4jsf.tag; + +import java.io.IOException; +import java.util.Collection; + +import javax.faces.application.Application; +import javax.faces.component.UIComponent; +import javax.faces.component.behavior.ClientBehaviorHolder; +import javax.faces.context.FacesContext; +import javax.faces.view.BehaviorHolderAttachedObjectHandler; +import javax.faces.view.facelets.BehaviorConfig; +import javax.faces.view.facelets.CompositeFaceletHandler; +import javax.faces.view.facelets.FaceletContext; +import javax.faces.view.facelets.TagAttribute; +import javax.faces.view.facelets.TagException; +import javax.faces.view.facelets.TagHandler; + +import org.ajax4jsf.component.behavior.AjaxBehavior; + +/** + * @author Anton Belevich + * + */ + +public class AjaxHandler extends TagHandler implements BehaviorHolderAttachedObjectHandler { + + private final TagAttribute event; + private final TagAttribute execute; + private final TagAttribute render; + private final TagAttribute onevent; + private final TagAttribute onerror; + private final TagAttribute disabled; + private final TagAttribute immediate; + private final TagAttribute listener; + + public AjaxHandler(BehaviorConfig config) { + super(config); + this.event = this.getAttribute("event"); + this.execute = this.getAttribute("execute"); + this.render = this.getAttribute("render"); + this.onevent = this.getAttribute("onevent"); + this.onerror = this.getAttribute("onerror"); + this.disabled = this.getAttribute("disabled"); + this.immediate = this.getAttribute("immediate"); + this.listener = this.getAttribute("listener"); + } + + public void apply(FaceletContext context, UIComponent parent) throws IOException { + String eventName = getEventName(); + if(!isWrapping()) { + applyAttachedObject(context, parent, eventName); + } else { + this.nextHandler.apply(context, parent); + } + } + + public void applyAttachedObject(FaceletContext context, UIComponent parent, String eventName) { + ClientBehaviorHolder bHolder = (ClientBehaviorHolder) parent; + if (null == eventName) { + eventName = bHolder.getDefaultEventName(); + if (null == eventName) { + throw new TagException(this.tag, "Event attribute could not be determined: " + eventName); + } + } else { + Collection<String> eventNames = bHolder.getEventNames(); + if (!eventNames.contains(eventName)) { + throw new TagException(this.tag, eventName + "event is not supported for the " + parent.getClass().getSimpleName()); + } + } + AjaxBehavior ajaxBehavior = createBehavior(context, parent, eventName); + bHolder.addClientBehavior(eventName, ajaxBehavior); + } + + + public AjaxBehavior createBehavior(FaceletContext context, UIComponent parent, String eventName) { + Application application = context.getFacesContext().getApplication(); + AjaxBehavior ajaxBehavior = (AjaxBehavior)application.createBehavior(AjaxBehavior.BEHAVIOR_ID); + + setBehaviorAttribute(context, ajaxBehavior, this.event, String.class); + setBehaviorAttribute(context, ajaxBehavior, this.onevent, String.class); + setBehaviorAttribute(context, ajaxBehavior, this.onerror, String.class); + setBehaviorAttribute(context, ajaxBehavior, this.disabled, Boolean.class); + setBehaviorAttribute(context, ajaxBehavior, this.immediate, Boolean.class); + setBehaviorAttribute(context, ajaxBehavior, this.execute, Object.class); + setBehaviorAttribute(context, ajaxBehavior, this.render, Object.class); + + if (null != listener) { +// behavior.addAjaxBehaviorListener(new AjaxBehaviorListenerImpl( +// this.listener.getMethodExpression(ctx, Object.class, new Class[] { AjaxBehaviorEvent.class }), +// this.listener.getMethodExpression(ctx, Object.class, new Class[] { }))); + } + + return ajaxBehavior; + } + + public void applyAttachedObject(FacesContext context, UIComponent parent) { + FaceletContext ctx = (FaceletContext) context.getAttributes().get(FaceletContext.FACELET_CONTEXT_KEY); + applyAttachedObject(ctx, parent, getEventName()); + } + + private void setBehaviorAttribute(FaceletContext ctx, AjaxBehavior behavior, TagAttribute attr, Class<?> type) { + if (attr != null) { + behavior.setValueExpression(attr.getLocalName(), + attr.getValueExpression(ctx, type)); + } + } + + public String getEventName() { + return (this.event != null) ? this.event.getValue() : null; + } + + public String getFor() { + return null; + } + + private boolean isWrapping() { + return ((this.nextHandler instanceof TagHandler) || (this.nextHandler instanceof CompositeFaceletHandler)); + } + +} Added: root/examples/trunk/components/core-demo/src/main/webapp/WEB-INF/ajax-taglib.xml =================================================================== --- root/examples/trunk/components/core-demo/src/main/webapp/WEB-INF/ajax-taglib.xml (rev 0) +++ root/examples/trunk/components/core-demo/src/main/webapp/WEB-INF/ajax-taglib.xml 2009-08-18 15:30:03 UTC (rev 15204) @@ -0,0 +1,14 @@ +<?xml version='1.0' encoding='UTF-8'?> +<facelet-taglib xmlns="http://java.sun.com/xml/ns/javaee" + xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" + xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facelettaglibrary_2_0.xsd" + version="2.0"> + <namespace>http://richfaces.org/a4j/behavior</namespace> + <tag> + <tag-name>ajax</tag-name> + <behavior> + <behavior-id>org.ajax4jsf.behavior.Ajax</behavior-id> + <handler-class>org.ajax4jsf.tag.AjaxHandler</handler-class> + </behavior> + </tag> +</facelet-taglib> Modified: root/examples/trunk/components/core-demo/src/main/webapp/WEB-INF/web.xml =================================================================== --- root/examples/trunk/components/core-demo/src/main/webapp/WEB-INF/web.xml 2009-08-18 14:04:15 UTC (rev 15203) +++ root/examples/trunk/components/core-demo/src/main/webapp/WEB-INF/web.xml 2009-08-18 15:30:03 UTC (rev 15204) @@ -19,6 +19,11 @@ <param-name>javax.faces.PROJECT_STAGE</param-name> <param-value>Development</param-value> </context-param> + + <context-param> + <param-name>javax.faces.FACELETS_LIBRARIES</param-name> + <param-value>/WEB-INF/ajax-taglib.xml</param-value> + </context-param> <servlet> <servlet-name>Faces Servlet</servlet-name> Added: root/examples/trunk/components/core-demo/src/main/webapp/pages/support.xhtml =================================================================== --- root/examples/trunk/components/core-demo/src/main/webapp/pages/support.xhtml (rev 0) +++ root/examples/trunk/components/core-demo/src/main/webapp/pages/support.xhtml 2009-08-18 15:30:03 UTC (rev 15204) @@ -0,0 +1,38 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml" + xmlns:f="http://java.sun.com/jsf/core" + xmlns:h="http://java.sun.com/jsf/html" + xmlns:ui="http://java.sun.com/jsf/facelets" + xmlns:a="http://richfaces.org/a4j/behavior"> + <h:head> + Richfaces Ajax Sample + </h:head> + <h:body> + <h:form> + <h:panelGrid columns="2"> + <h:inputText value="#{sampleBean.firstText}"> + <f:ajax event="keyup" render="firstOut"/> + </h:inputText> + <h:outputText id="firstOut" value="#{sampleBean.firstText}" /> + + <h:inputText value="#{sampleBean.secondText}"> + <f:ajax event="keyup" render="secondOut"/> + </h:inputText> + <h:outputText id="secondOut" value="#{sampleBean.secondText}" /> + </h:panelGrid> + + <h:panelGrid columns="2"> + <h:inputText value="#{sampleBean.thirdText}"> + <a:ajax/> + </h:inputText> + <h:outputText id="thirdOut" value="#{sampleBean.thirdText}" /> + + <h:inputText value="#{sampleBean.fourthText}" > + <a:ajax event="keyup" execute="fourthOut" render="fourthOut"/> + </h:inputText> + <h:outputText id="fourthOut" value="#{sampleBean.fourthText}" /> + </h:panelGrid> + + </h:form> + </h:body> +</html> \ No newline at end of file