com.mylab.wicket.jpa.ui.pages.select2.ApplicationSettings.java Source code

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Here is the source code for com.mylab.wicket.jpa.ui.pages.select2.ApplicationSettings.java

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/*
 * Copyright 2012 Igor Vaynberg
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this work except in compliance with
 * the License. You may obtain a copy of the License in the LICENSE file, or 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 com.mylab.wicket.jpa.ui.pages.select2;

import org.apache.wicket.Application;
import org.apache.wicket.MetaDataKey;
import org.apache.wicket.protocol.http.WebApplication;
import org.apache.wicket.request.resource.CssResourceReference;
import org.apache.wicket.request.resource.JavaScriptResourceReference;
import org.apache.wicket.request.resource.ResourceReference;

/**
 * Application-wide settings that apply to all Select2 components.
 * 
 * The settings object is retreived via the static {@link #get()} method and is usually configured
 * in the {@link WebApplication#init()} method.
 * 
 * @author igor
 */
public class ApplicationSettings {

    private static final MetaDataKey<ApplicationSettings> KEY = new MetaDataKey<ApplicationSettings>() {
        private static final long serialVersionUID = 1L;
    };

    private ResourceReference javaScriptReference = new JavaScriptResourceReference(ApplicationSettings.class,
            "res/js/select2.js");
    private ResourceReference javaScriptReferenceFull = new JavaScriptResourceReference(ApplicationSettings.class,
            "res/js/select2.full.js");
    private ResourceReference cssReference = new CssResourceReference(ApplicationSettings.class,
            "res/css/select2.css");

    private boolean includeJavascriptFull = true;
    private boolean includeJavascript = false;
    private boolean includeCss = true;

    /**
     * Private constructor, use {@link #get()} instead.
     */
    private ApplicationSettings() {
    }

    public boolean isIncludeJavascript() {
        return includeJavascript;
    }

    public ApplicationSettings setIncludeJavascript(boolean includeJavascript) {
        this.includeJavascript = includeJavascript;
        if (this.includeJavascript) {
            this.includeJavascriptFull = false;
        }
        return this;
    }

    public boolean isIncludeCss() {
        return includeCss;
    }

    public ApplicationSettings setIncludeCss(boolean includeCss) {
        this.includeCss = includeCss;
        return this;
    }

    public ResourceReference getJavaScriptReference() {
        return javaScriptReference;
    }

    public ApplicationSettings setJavaScriptReference(ResourceReference javaScriptReference) {
        this.javaScriptReference = javaScriptReference;
        return this;
    }

    public ResourceReference getCssReference() {
        return cssReference;
    }

    public ApplicationSettings setCssReference(ResourceReference cssReference) {
        this.cssReference = cssReference;
        return this;
    }

    public boolean isIncludeJavascriptFull() {
        return includeJavascriptFull;
    }

    public ApplicationSettings setIncludeJavascriptFull(boolean includeJavascriptFull) {
        this.includeJavascriptFull = includeJavascriptFull;
        if (this.includeJavascriptFull) {
            this.includeJavascript = false;
        }
        return this;
    }

    public ResourceReference getJavaScriptReferenceFull() {
        return javaScriptReferenceFull;
    }

    public ApplicationSettings setJavascriptReferenceFull(ResourceReference javaScriptReferenceFull) {
        this.javaScriptReferenceFull = javaScriptReferenceFull;
        return this;
    }

    /**
     * Retrieves the instance of settings object.
     * 
     * @return settings instance
     */
    public static ApplicationSettings get() {
        // FIXME Application should provide setMetadataIfAbsent()
        Application application = Application.get();
        ApplicationSettings settings = application.getMetaData(KEY);
        if (settings == null) {
            synchronized (application) {
                settings = application.getMetaData(KEY);
                if (settings == null) {
                    settings = new ApplicationSettings();
                    application.setMetaData(KEY, settings);
                }
            }
        }
        return application.getMetaData(KEY);
    }

}