org.primefaces.application.DialogNavigationHandler Maven / Gradle / Ivy

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PrimeFaces is one of the most popular UI libraries in Java EE Ecosystem and widely used by software companies, world renowned brands, banks, financial institutions, insurance companies, universities and more.
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/**
 * Copyright 2009-2018 PrimeTek.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.primefaces.application;

import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import javax.faces.application.ConfigurableNavigationHandler;
import javax.faces.application.NavigationCase;
import javax.faces.context.FacesContext;
import org.primefaces.PrimeFaces;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.Constants;

public class DialogNavigationHandler extends ConfigurableNavigationHandler {

    private ConfigurableNavigationHandler base;

    public DialogNavigationHandler(ConfigurableNavigationHandler base) {
        this.base = base;
    }

    @Override
    public void handleNavigation(FacesContext context, String fromAction, String outcome) {
        Map attrs = context.getAttributes();
        String dialogOutcome = (String) attrs.get(Constants.DIALOG_FRAMEWORK.OUTCOME);

        if (dialogOutcome != null) {
            Map requestParams = context.getExternalContext().getRequestParameterMap();
            NavigationCase navCase = getNavigationCase(context, fromAction, dialogOutcome);
            String toViewId = navCase.getToViewId(context);
            Map options = (Map) attrs.get(Constants.DIALOG_FRAMEWORK.OPTIONS);
            Map> params = (Map>) attrs.get(Constants.DIALOG_FRAMEWORK.PARAMS);

            if (params == null) {
                params = Collections.emptyMap();
            }

            boolean includeViewParams = false;
            if (options != null && options.containsKey(Constants.DIALOG_FRAMEWORK.INCLUDE_VIEW_PARAMS)) {
                includeViewParams = (Boolean) options.get(Constants.DIALOG_FRAMEWORK.INCLUDE_VIEW_PARAMS);
            }

            String url = context.getApplication().getViewHandler().getBookmarkableURL(context, toViewId, params, includeViewParams);
            url = ComponentUtils.escapeEcmaScriptText(url);

            StringBuilder sb = new StringBuilder();
            String sourceComponentId = (String) attrs.get(Constants.DIALOG_FRAMEWORK.SOURCE_COMPONENT);
            String sourceWidget = (String) attrs.get(Constants.DIALOG_FRAMEWORK.SOURCE_WIDGET);
            String pfdlgcid = requestParams.get(Constants.DIALOG_FRAMEWORK.CONVERSATION_PARAM);
            if (pfdlgcid == null) {
                pfdlgcid = UUID.randomUUID().toString();
            }
            pfdlgcid = ComponentUtils.escapeEcmaScriptText(pfdlgcid);

            sb.append("PrimeFaces.openDialog({url:'").append(url).append("',pfdlgcid:'").append(pfdlgcid)
                    .append("',sourceComponentId:'").append(sourceComponentId).append("'");

            if (sourceWidget != null) {
                sb.append(",sourceWidgetVar:'").append(sourceWidget).append("'");
            }

            sb.append(",options:{");
            if (options != null && options.size() > 0) {
                for (Iterator it = options.keySet().iterator(); it.hasNext();) {
                    String optionName = it.next();
                    Object optionValue = options.get(optionName);

                    sb.append(optionName).append(":");
                    if (optionValue instanceof String) {
                        sb.append("'").append(ComponentUtils.escapeEcmaScriptText((String) optionValue)).append("'");
                    }
                    else {
                        sb.append(optionValue);
                    }

                    if (it.hasNext()) {
                        sb.append(",");
                    }
                }
            }
            sb.append("}});");

            PrimeFaces.current().executeScript(sb.toString());
            sb.setLength(0);
        }
        else {
            base.handleNavigation(context, fromAction, outcome);
        }
    }

    @Override
    public NavigationCase getNavigationCase(FacesContext context, String fromAction, String outcome) {
        return base.getNavigationCase(context, fromAction, outcome);
    }

    @Override
    public Map> getNavigationCases() {
        return base.getNavigationCases();
    }
}