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Bridges Apache Wicket with Select2 components
There is a newer version: 10.1.1
/*
 * 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 org.wicketstuff.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 KEY = new MetaDataKey()
	{
		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);
	}

}