ingo@297: package de.intevation.gnv.chart;
ingo@297: 
ingo@297: import java.util.Collection;
ingo@297: import java.util.Locale;
ingo@297: 
ingo@297: import org.jfree.chart.JFreeChart;
ingo@297: import org.jfree.chart.ChartTheme;
ingo@297: 
ingo@297: /**
ingo@767:  * Abstract chart class to define the basic fields used for chart creation.
ingo@767:  *
ingo@767:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@297:  */
ingo@297: public abstract class AbstractChart
ingo@297: implements            Chart
ingo@297: {
ingo@767:     /**
ingo@767:      * JFreeChart object. Created after {@link #generateChart()} is called.
ingo@767:      */
ingo@297:     protected JFreeChart  chart;
ingo@767: 
ingo@767:     /**
ingo@767:      * Field storing the visibility of lines in the chart plot.
ingo@767:      */
ingo@327:     protected boolean     linesVisible;
ingo@767: 
ingo@767:     /**
ingo@767:      * Field storing the visibility of points in the chart plot.
ingo@767:      */
ingo@327:     protected boolean     shapesVisible;
ingo@297: 
ingo@767:     /**
ingo@767:      * Locale object used for i18n support.
ingo@767:      */
ingo@297:     protected Locale      locale;
ingo@297: 
ingo@767:     /**
ingo@767:      * ChartLabels
ingo@767:      */
ingo@297:     protected ChartLabels labels;
ingo@767: 
ingo@767:     /**
ingo@767:      * ChartTheme
ingo@767:      */
ingo@297:     protected ChartTheme  theme;
ingo@767: 
ingo@767:     /**
ingo@767:      * Collection which contains a bunch of parameters.
ingo@767:      */
ingo@297:     protected Collection  parameters;
ingo@767: 
ingo@767:     /**
ingo@767:      * Collection which contains a bunch of measurements.
ingo@767:      */
ingo@297:     protected Collection  measurements;
ingo@767: 
ingo@767:     /**
ingo@767:      * Collection which contains all data objects used to be displayed in the
ingo@767:      * chart. It contains different series and different datasets which is not
ingo@767:      * very elegant.
ingo@767:      */
ingo@297:     protected Collection  resultSet;
ingo@767: 
ingo@767:     /**
ingo@767:      * Collection which contains a bunch of date objects.
ingo@767:      */
ingo@297:     protected Collection  dates;
ingo@767: 
ingo@767:     /**
ingo@767:      * Collection which contains a bunch of time gap definitions used to
ingo@767:      * detect gaps in timeseries charts.
ingo@767:      */
ingo@310:     protected Collection  timeGaps;
ingo@297: 
ingo@767:     /**
ingo@767:      * Abstract method which needs to be implemented by concrete subclasses.
ingo@767:      * This method triggers the JFreeChart creation process. After calling this
ingo@767:      * method {@link #chart} should be a valid <code>JFreeChart</code> object.
ingo@767:      */
ingo@297:     public abstract JFreeChart generateChart();
ingo@297: }
ingo@617: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :