org.wicketstuff.jquery.sparkline.Sparkline Maven / Gradle / Ivy

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.wicketstuff.jquery.sparkline;

import java.util.Collection;
import java.util.Iterator;

import org.apache.wicket.Application;
import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.markup.MarkupStream;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.head.JavaScriptHeaderItem;
import org.apache.wicket.markup.html.WebComponent;
import org.apache.wicket.markup.parser.XmlTag;
import org.apache.wicket.model.IModel;
import org.apache.wicket.request.resource.PackageResourceReference;

public class Sparkline extends WebComponent
{
	private static final long serialVersionUID = 1L;

	public static final PackageResourceReference SPARKLINE_JS = new PackageResourceReference(
		Sparkline.class, "jquery.sparkline-1.4.3.min.js");

	final SparklineOptions options;
	final IModel> model;
	final CharSequence values;
	boolean writeJSOnReady = true;

	public Sparkline(final String id, IModel> values, SparklineOptions options)
	{
		super(id);
		setOutputMarkupId(true);
		model = values;
		this.values = null;
		this.options = options;
	}

	public Sparkline(final String id, Collection values, SparklineOptions options)
	{
		super(id);
		setOutputMarkupId(true);
		model = null;
		this.values = values.toString();
		this.options = options;
	}

	public Sparkline(final String id, SparklineOptions options, int... values)
	{
		super(id);
		setOutputMarkupId(true);
		model = null;
		this.options = options;

		StringBuilder v = new StringBuilder();
		v.append('[');
		for (int i = 0; i < values.length; i++)
		{
			if (i > 0)
			{
				v.append(',');
			}
			v.append(values[i]);
		}
		v.append(']');
		this.values = v;
	}

	public Sparkline(final String id, int... values)
	{
		this(id, null, values);
	}

	// ---------------------------------------------------------------
	// ---------------------------------------------------------------

	public boolean isWriteJSOnReady()
	{
		return writeJSOnReady;
	}

	public Sparkline setWriteJSOnReady(boolean writeJSOnReady)
	{
		this.writeJSOnReady = writeJSOnReady;
		return this;
	}

	public CharSequence getSparklineJS()
	{
		StringBuilder js = new StringBuilder();
		js.append("$('#").append(this.getMarkupId()).append("' ).sparkline( ");
		if (model != null)
		{
			Collection vals = model.getObject();
			js.append('[');
			Iterator iter = vals.iterator();
			while (iter.hasNext())
			{
				js.append(iter.next());
				if (iter.hasNext())
				{
					js.append(',');
				}
			}
			js.append(']');
		}
		else
		{
			js.append(values);
		}
		if (options != null)
		{
			js.append(", ").append(options.toString(false));
		}
		js.append(" );");
		return js;
	}

	@Override
	public void renderHead(IHeaderResponse response)
	{
		response.render(JavaScriptHeaderItem.forReference(Application.get().getJavaScriptLibrarySettings().getJQueryReference()));
		response.render(JavaScriptHeaderItem.forReference(SPARKLINE_JS));

		if (writeJSOnReady)
		{
			StringBuilder builder = new StringBuilder();
			builder.append("$(document).ready(function(){\n");
			builder.append(getSparklineJS());
			builder.append("\n});");
			response.render(JavaScriptHeaderItem.forScript(builder, null));
		}
	}

	@Override
	public void onComponentTagBody(final MarkupStream markupStream, final ComponentTag openTag)
	{
		replaceComponentTagBody(markupStream, openTag, "sparkline");
	}

	@Override
	protected void onComponentTag(ComponentTag tag)
	{
		super.onComponentTag(tag);
		// always transform the tag to  so even labels defined as  render
		tag.setType(XmlTag.TagType.OPEN);
	}
}