org.wicketstuff.dashboard.widgets.charts.options.SplineUpdatingOptions Maven / Gradle / Ivy

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/*
 * Copyright 2014 Paul Bors
 *
 * 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.charts.options;

import com.googlecode.wickedcharts.highcharts.options.Axis;
import com.googlecode.wickedcharts.highcharts.options.AxisType;
import com.googlecode.wickedcharts.highcharts.options.ChartOptions;
import com.googlecode.wickedcharts.highcharts.options.ExportingOptions;
import com.googlecode.wickedcharts.highcharts.options.Function;
import com.googlecode.wickedcharts.highcharts.options.Legend;
import com.googlecode.wickedcharts.highcharts.options.PlotLine;
import com.googlecode.wickedcharts.highcharts.options.SeriesType;
import com.googlecode.wickedcharts.highcharts.options.Title;
import com.googlecode.wickedcharts.highcharts.options.Tooltip;
import com.googlecode.wickedcharts.highcharts.options.color.HexColor;
import com.googlecode.wickedcharts.highcharts.options.livedata.LiveDataSeries;
import com.googlecode.wickedcharts.highcharts.options.livedata.LiveDataUpdateEvent;
import com.googlecode.wickedcharts.highcharts.options.series.Point;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.List;

/**
 * @author Paul Bors
 */
public class SplineUpdatingOptions extends ShowcaseOptions {
    private static final long serialVersionUID = 1L;

    protected LiveDataSeries series;

    public SplineUpdatingOptions() {
        this.setChartOptions(new ChartOptions()
            .setType(SeriesType.SPLINE)
            .setMarginRight(10));

        this.setTitle(new Title("Live random data"));

        this.setxAxis(new Axis()
            .setType(AxisType.DATETIME)
            .setTickPixelInterval(150)
        );

        this.setyAxis(new Axis()
            .setTitle(new Title("Value"))
            .setPlotLines(Collections
                .singletonList(new PlotLine()
                    .setValue(0f)
                    .setWidth(1)
                    .setColor(new HexColor("#808080"))
                )
            )
        );

        this.setTooltip(new Tooltip()
            .setFormatter(new Function()
                .setFunction(
                        "return ''+ this.series.name +'
'+" +
                        "Highcharts.dateFormat('%Y-%m-%d %H:%M:%S', this.x) +'
'+" +
                        "Highcharts.numberFormat(this.y, 2);"
                )
            )
        );

        this.setLegend(new Legend(Boolean.FALSE));

        this.setExporting(new ExportingOptions().setEnabled(Boolean.FALSE));

        this.series = new LiveDataSeries(this, 1000) {
            private static final long serialVersionUID = 1L;
            @Override
            public Point update(final LiveDataUpdateEvent event) {
                Point point = new Point();
                point.setX(new Date().getTime());
                point.setY(Math.random());
                //point.setMarker(new Marker().setFillColor(HexColor.fromString("#0000FF")));
                return point;
            }
        }.addJavaScriptParameter("currentTime", "new Date()");

        this.series
            .setData(this.randomData(20))
            .setName("Random data");

        this.addSeries(this.series);
    }

    /**
     * Refreshes the series data so that it starts at the current date.
     */
    public void refresh() {
        this.series.setData(this.randomData(20));
    }

    protected List randomData(final int size) {
        long time = new Date().getTime() - 20000;
        List result = new ArrayList();
        for (int i = 0; i < size; i++) {
            result.add(new Point()
                .setX(time)
                .setY(Math.random())
            );
            time += 1000;
        }
        return result;
    }

    @Override
    public String getLabel() {
		return super.getLabel() + "Spline updating each second";
    }
}