org.wicketstuff.dashboard.widgets.jqplot.ChartContainer.java Source code

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Here is the source code for org.wicketstuff.dashboard.widgets.jqplot.ChartContainer.java

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/*
 * Copyright 2012 Decebal Suiu
 * 
 * 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.dashboard.widgets.jqplot;

import java.util.List;

import org.apache.wicket.Component;
import org.apache.wicket.behavior.Behavior;
import org.apache.wicket.markup.head.CssHeaderItem;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.head.JavaScriptHeaderItem;
import org.apache.wicket.markup.head.OnDomReadyHeaderItem;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.model.IModel;
import org.apache.wicket.request.resource.CssResourceReference;
import org.apache.wicket.request.resource.JavaScriptResourceReference;
import org.apache.wicket.resource.JQueryPluginResourceReference;
import org.wicketstuff.jqplot.behavior.JqPlotBehavior;

import br.com.digilabs.jqplot.Chart;
import br.com.digilabs.jqplot.JqPlotUtils;

/**
 * @author Decebal Suiu
 */
public class ChartContainer extends WebMarkupContainer {

    private static final long serialVersionUID = 1L;

    public ChartContainer(String id, IModel<? extends Chart<?>> model) {
        super(id, model);

        setOutputMarkupId(true);
    }

    private String createJquery() {
        Chart<?> chart = getChart();

        StringBuilder builder = new StringBuilder();
        builder.append("$.jqplot('").append(getMarkupId()).append("', ");
        builder.append(chart.getChartData().toJsonString());
        builder.append(", ");
        builder.append(JqPlotUtils.jqPlotToJson(chart.getChartConfiguration()));
        builder.append(");\r\n");

        return builder.toString();
    }

    @Override
    protected void onInitialize() {
        super.onInitialize();

        add(getJqPlotBehavior());
    }

    private Chart<?> getChart() {
        return (Chart<?>) getDefaultModelObject();
    }

    private Behavior getJqPlotBehavior() {
        return new Behavior() {

            private static final long serialVersionUID = 1L;

            @Override
            public void renderHead(Component component, IHeaderResponse response) {
                super.renderHead(component, response);

                response.render(JavaScriptHeaderItem.forReference(
                        new JQueryPluginResourceReference(JqPlotBehavior.class, "jquery.jqplot.min.js")));
                response.render(CssHeaderItem
                        .forReference(new CssResourceReference(JqPlotBehavior.class, "jquery.jqplot.min.css")));
                List<String> resources = JqPlotUtils.retriveJavaScriptResources(getChart());
                for (String resource : resources) {
                    response.render(JavaScriptHeaderItem
                            .forReference(new JavaScriptResourceReference(JqPlotBehavior.class, resource)));
                }
                String json = createJquery();
                response.render(OnDomReadyHeaderItem.forScript(json));
            }

        };
    }

}