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Ajax Framework Search Expressions

PrimeFaces extens the Faces Search Expressions by more keywords.

Ajax Tag Documentation

AjaxBehavior is an extension to standard f:ajax.

Name	Type	Required	Default	Description
async	boolean	false	false	When set to true, ajax requests are not queued.
delay	String	false		If less than delay milliseconds elapses between calls to request() only the most recent one is sent and all other requests are discarded. If this option is not specified, or if the value of delay is the literal string 'none' without the quotes, no delay is used.
disabled	boolean	false	false	Disables ajax behavior.
event	String	false		A String identifying the type of event the Ajax action will apply to. If specified, it must be one of the events supported by the component the Ajax behavior is being applied to. For HTML components this would be the set of supported DOM events for the component, plus "action" for Faces ActionSource components and "valueChange" for Faces EditableValueHolder components. If not specified, the default event is determined for the component. The DOM event name is the actual DOM event name (for example: "click") as opposed to (for example: "onclick").
form	String	false	The enclosing form	Form to serialize for an ajax request.
global	boolean	false	true	Global ajax requests are listened by ajaxStatus component, setting global to false will not trigger ajaxStatus.
ignoreAutoUpdate	boolean	false	false	If true, components which autoUpdate="true" will not be updated for this request. If not specified, or the value is false, no such indication is made.
ignoreComponentNotFound	boolean	false	false	If true, unresolvable components (ComponentNotFoundException) referenced in the update/process attribute are ignored.
immediate	boolean	false	false	Boolean value that determines the phaseId, when true actions are processed at apply_request_values, when false at invoke_application phase.
listener	MethodExpression	false		Method to process in partial request.
oncomplete	String	false		Client-side javascript callback to execute when ajax request is completed.
onerror	String	false		Client-side javascript callback to execute when ajax request fails.
onstart	String	false		Client-side javascript callback to execute before ajax request begins.
onsuccess	String	false		Client-side javascript callback to execute when ajax request succeeds.
partialSubmit	boolean	false	false	Enables serialization of values belonging to the partially processed components only.
partialSubmitFilter	String	false		Selector to use when partial submit is on, default is ":input" to select all descendant inputs of a partially processed components.
process	String	false		Component(s) to process in partial request.
resetValues	boolean	false	false	If true, local values of input components to be updated within the ajax request would be reset.
skipChildren	boolean	false	true	Containers components like, datatable, panel, tabview skip their children if the request owner is them. For example, sort, page event of a datatable. As children are skipped, input values get lost, assume a case with a datatable and inputs components in a column. Sorting the column discards the changes and data is sorted according to original value. Setting skipChildren to false, enabled input values to update the value and sorting to be happened with user values.
timeout	int	false	0	Timeout in milliseconds for ajax request, whereas 0 means no timeout.
update	String	false		Component(s) to update with ajax.

Name	Library	Target
jquery/jquery.js	primefaces
core.js	primefaces

Behavior Id org.primefaces.component.AjaxBehavior

Behavior Class org.primefaces.behavior.ajax.AjaxBehavior

Handler Class org.primefaces.behavior.ajax.AjaxBehaviorHandler

RESOURCES

Tag Documentation Documentation Documentation

ON THIS PAGE

Introduction Process PartialSubmit Selector Search Validation RemoteCommand Observer Callback Poll Fragment Status Lifecycle Dropdown

Usage


<div class="card">
    <h:form>
        <p:panel id="panel" header="Search Form" styleClass="mb-3">
            <p:growl id="messages"/>

            <div class="formgrid grid p-fluid">
                <div class="field col-12 md:col-6">
                    <p:outputLabel for="txt1" value="Text 1"/>
                    <p:inputText id="txt1" value="#{searchView.text1}" required="true" label="Text 1">
                        <f:validateLength minimum="2"/>
                    </p:inputText>
                    <p:message for="txt1"/>
                    <small>Value: <h:outputText value="#{searchView.text1}"/></small>
                </div>
                <div class="field col-12 md:col-6">
                    <p:outputLabel for="txt2" value="Text 2"/>
                    <p:selectOneMenu id="txt2" value="#{searchView.text2}" required="true" label="Text 2">
                        <f:selectItem itemLabel="Select One" itemValue="" noSelectionOption="true"/>
                        <f:selectItem itemLabel="Option 1" itemValue="1"/>
                        <f:selectItem itemLabel="Option 2" itemValue="2"/>
                        <f:selectItem itemLabel="Option 3" itemValue="3"/>
                    </p:selectOneMenu>
                    <p:message for="@previous"/>
                    <small>Value: <h:outputText value="#{searchView.text2}"/></small>
                </div>
            </div>
        </p:panel>

        <p:commandButton process="@parent:@parent" update="@form" value="Process: @parent:parent (Form)" styleClass="mr-2 mb-2" />
        <p:commandButton process="@form:@child(1):txt1" update="@form"
                         value="Process: @form:@child(1):txt1 (Text 1)" styleClass="mb-2"/>
    </h:form>
</div>


package org.primefaces.showcase.view.ajax;

import jakarta.enterprise.context.RequestScoped;
import jakarta.inject.Named;

@Named
@RequestScoped
public class SearchView {

    private String text1;
    private String text2;

    public String getText1() {
        return text1;
    }

    public void setText1(String text1) {
        this.text1 = text1;
    }

    public String getText2() {
        return text2;
    }

    public void setText2(String text2) {
        this.text2 = text2;
    }
}

Ajax Framework Search Expressions

Ajax Tag Documentation

Usage

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