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/*
 * The MIT License
 *
 * Copyright (c) 2009-2023 PrimeTek Informatics
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.primefaces.component.accordionpanel;

import java.util.Collection;
import java.util.Map;
import javax.el.ELContext;

import javax.el.MethodExpression;
import javax.el.ValueExpression;
import javax.faces.application.ResourceDependency;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.AjaxBehaviorEvent;
import javax.faces.event.BehaviorEvent;
import javax.faces.event.FacesEvent;

import org.primefaces.PrimeFaces;
import org.primefaces.component.tabview.Tab;
import org.primefaces.el.ValueExpressionAnalyzer;
import org.primefaces.event.TabChangeEvent;
import org.primefaces.event.TabCloseEvent;
import org.primefaces.event.TabEvent;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.Constants;
import org.primefaces.util.MapBuilder;

@ResourceDependency(library = "primefaces", name = "components.css")
@ResourceDependency(library = "primefaces", name = "jquery/jquery.js")
@ResourceDependency(library = "primefaces", name = "jquery/jquery-plugins.js")
@ResourceDependency(library = "primefaces", name = "core.js")
@ResourceDependency(library = "primefaces", name = "components.js")
public class AccordionPanel extends AccordionPanelBase {

    public static final String COMPONENT_TYPE = "org.primefaces.component.AccordionPanel";

    public static final String CONTAINER_CLASS = "ui-accordion ui-widget ui-helper-reset ui-hidden-container";
    public static final String ACTIVE_TAB_HEADER_CLASS = "ui-accordion-header ui-helper-reset ui-state-default ui-state-active ui-corner-top";
    public static final String TAB_HEADER_CLASS = "ui-accordion-header ui-helper-reset ui-state-default ui-corner-all";
    public static final String TAB_HEADER_ICON_CLASS = "ui-icon ui-icon-triangle-1-e";
    public static final String TAB_HEADER_ICON_RTL_CLASS = "ui-icon ui-icon-triangle-1-w";
    public static final String ACTIVE_TAB_HEADER_ICON_CLASS = "ui-icon ui-icon-triangle-1-s";
    public static final String ACTIVE_TAB_CONTENT_CLASS = "ui-accordion-content ui-helper-reset ui-widget-content";
    public static final String INACTIVE_TAB_CONTENT_CLASS = "ui-accordion-content ui-helper-reset ui-widget-content ui-helper-hidden";

    private static final String DEFAULT_EVENT = "tabChange";

    private static final Map> BEHAVIOR_EVENT_MAPPING = MapBuilder.>builder()
            .put("tabChange", TabChangeEvent.class)
            .put("tabClose", TabCloseEvent.class)
            .build();

    private static final Collection EVENT_NAMES = BEHAVIOR_EVENT_MAPPING.keySet();

    @Override
    public Map> getBehaviorEventMapping() {
        return BEHAVIOR_EVENT_MAPPING;
    }

    @Override
    public Collection getEventNames() {
        return EVENT_NAMES;
    }

    @Override
    public String getDefaultEventName() {
        return DEFAULT_EVENT;
    }

    public boolean isContentLoadRequest(FacesContext context) {
        return context.getExternalContext().getRequestParameterMap().containsKey(getClientId(context) + "_contentLoad");
    }

    public Tab findTab(String tabClientId) {
        for (int i = 0; i < getChildCount(); i++) {
            UIComponent child = getChildren().get(i);
            if (child.getClientId().equals(tabClientId)) {
                return (Tab) child;
            }
        }

        return null;
    }

    @Override
    public void queueEvent(FacesEvent event) {
        FacesContext context = getFacesContext();

        if (ComponentUtils.isRequestSource(this, context) && event instanceof AjaxBehaviorEvent) {
            Map params = context.getExternalContext().getRequestParameterMap();
            String eventName = params.get(Constants.RequestParams.PARTIAL_BEHAVIOR_EVENT_PARAM);
            String clientId = getClientId(context);
            boolean repeating = isRepeating();
            AjaxBehaviorEvent behaviorEvent = (AjaxBehaviorEvent) event;

            if ("tabChange".equals(eventName)) {
                String tabClientId = params.get(clientId + "_newTab");
                TabChangeEvent changeEvent = new TabChangeEvent(this, behaviorEvent.getBehavior(), findTab(tabClientId));

                if (repeating) {
                    int index = Integer.parseInt(params.get(clientId + "_tabindex"));
                    setIndex(index);
                    changeEvent.setData(getIndexData());
                    changeEvent.setTab(getDynamicTab());
                }

                changeEvent.setPhaseId(behaviorEvent.getPhaseId());

                super.queueEvent(changeEvent);

                if (repeating) {
                    setIndex(-1);
                }
            }
            else if ("tabClose".equals(eventName)) {
                String tabClientId = params.get(clientId + "_tabId");
                TabCloseEvent closeEvent = new TabCloseEvent(this, behaviorEvent.getBehavior(), findTab(tabClientId));

                if (repeating) {
                    int index = Integer.parseInt(params.get(clientId + "_tabindex"));
                    setIndex(index);
                    closeEvent.setData(getIndexData());
                    closeEvent.setTab(getDynamicTab());
                }

                closeEvent.setPhaseId(behaviorEvent.getPhaseId());

                super.queueEvent(closeEvent);

                if (repeating) {
                    setIndex(-1);
                }
            }
        }
        else {
            super.queueEvent(event);
        }
    }

    @Override
    public void processUpdates(FacesContext context) {
        if (!isRendered()) {
            return;
        }

        super.processUpdates(context);

        ELContext elContext = getFacesContext().getELContext();
        ValueExpression expr = ValueExpressionAnalyzer.getExpression(elContext,
                getValueExpression(PropertyKeys.activeIndex.toString()), true);
        if (expr != null && !expr.isReadOnly(elContext)) {
            expr.setValue(elContext, getActiveIndex());
            resetActiveIndex();
        }
    }

    protected void resetActiveIndex() {
        getStateHelper().remove(PropertyKeys.activeIndex);
    }

    @Override
    public void broadcast(FacesEvent event) throws AbortProcessingException {
        super.broadcast(event);

        if (event instanceof TabEvent) {
            MethodExpression me = getTabController();
            if (me != null) {
                boolean retVal = (Boolean) me.invoke(getFacesContext().getELContext(), new Object[]{event});
                PrimeFaces.current().ajax().addCallbackParam("access", retVal);
            }
        }
    }

    @Override
    public void restoreMultiViewState() {
        AccordionState as = getMultiViewState(false);
        if (as != null) {
            setActiveIndex(as.getActiveIndex());
        }
    }

    @Override
    public AccordionState getMultiViewState(boolean create) {
        FacesContext fc = getFacesContext();
        String viewId = fc.getViewRoot().getViewId();

        return PrimeFaces.current().multiViewState()
                .get(viewId, getClientId(fc), create, AccordionState::new);
    }

    @Override
    public void resetMultiViewState() {
        setActiveIndex(null);
    }
}




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