com.pingunaut.wicket.chartjs.core.SimpleChartPanel.java Source code

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Here is the source code for com.pingunaut.wicket.chartjs.core.SimpleChartPanel.java

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/*******************************************************************************
 * Copyright 2013 Martin Spielmann
 * 
 * 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 com.pingunaut.wicket.chartjs.core;

import org.apache.wicket.model.IModel;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.pingunaut.wicket.chartjs.chart.ISimpleChart;
import com.pingunaut.wicket.chartjs.core.panel.DoughnutChartPanel;
import com.pingunaut.wicket.chartjs.core.panel.PieChartPanel;
import com.pingunaut.wicket.chartjs.core.panel.PolarAreaChartPanel;
import com.pingunaut.wicket.chartjs.data.SimpleColorValueChartData;
import com.pingunaut.wicket.chartjs.options.AbstractChartOptions;

/**
 * The Class SimpleChartPanel is a prototype for
 * <ul>
 * <li>{@link DoughnutChartPanel}</li>
 * <li>{@link PieChartPanel}</li>
 * <li>{@link PolarAreaChartPanel}</li>
 * </ul>
 * 
 * @param <C>
 *            the generic type of the corresponding chart
 * @param <D>
 *            the generic type of the data displayed by the chart
 * @param <O>
 *            the generic type of the chart's options
 */
public abstract class SimpleChartPanel<C extends ISimpleChart<D, O>, D extends SimpleColorValueChartData, O extends AbstractChartOptions>
        extends AbstractChartPanel<C, O> {

    private static final long serialVersionUID = 2899070514574123978L;

    /**
     * Instantiates a new simple chart panel.
     * 
     * @param id
     *            the markup id
     * @param c
     *            the IModel of a {@link ISimpleChart}
     */
    public SimpleChartPanel(String id, IModel<? extends C> c) {
        super(id, c);
    }

    /**
     * Instantiates a new simple chart panel.
     * 
     * @param id
     *            the markup id
     * @param c
     *            the IModel of a {@link ISimpleChart}
     * @param width
     *            the width
     * @param height
     *            the height
     */
    public SimpleChartPanel(String id, IModel<? extends C> c, int width, int height) {

        super(id, c, width, height);
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.pingunaut.wicket.chartjs.core.AbstractChartPanel#generateChart()
     */
    @Override
    public String generateChart() {
        String dataString = null;
        String optionString = null;
        try {
            dataString = getChart().getMapper().writeValueAsString(getChart().getData());
            optionString = getChart().getMapper().writeValueAsString(getChart().getOptions());
        } catch (JsonProcessingException e) {
            e.printStackTrace();
        }
        String js = "var " + getChartCanvas().getMarkupId() + " = WicketCharts['" + getChartCanvas().getMarkupId()
                + "']." + getChart().getClass().getSimpleName() + "(" + dataString + ", " + optionString + ");";
        return js;
    }
}