package br.digilabs.jqplot;
import java.io.Writer;
import java.util.ArrayList;
import java.util.List;
import br.digilabs.jqplot.chart.Chart;
import br.digilabs.jqplot.chart.config.ChartConfiguration;
import br.digilabs.jqplot.metadata.JqPlotPlugin;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.converters.MarshallingContext;
import com.thoughtworks.xstream.converters.enums.EnumConverter;
import com.thoughtworks.xstream.io.HierarchicalStreamWriter;
import com.thoughtworks.xstream.io.json.JsonHierarchicalStreamDriver;
import com.thoughtworks.xstream.io.json.JsonWriter;
/**
*
* @author inaiat
*/
public class JqPlotUtil {
public static List<String> retriveJavaScriptResources(Chart<?> chart) {
List<String> resources = new ArrayList<String>();
Class<?> klazz = chart.getClass();
if (klazz.isAnnotationPresent(JqPlotPlugin.class)) {
JqPlotResources[] jqPlotResourceses = klazz.getAnnotation(
JqPlotPlugin.class).values();
for (JqPlotResources jqPlotResources : jqPlotResourceses) {
resources.add(jqPlotResources.getResource());
}
}
return resources;
}
public static String createJquery(Chart<?> chart, String divId) {
StringBuilder builder = new StringBuilder();
builder.append("$(document).ready(function(){\r\n");
builder.append(" $.jqplot('").append(divId).append("', ");
builder.append(chart.getChartData().toJsonString());
builder.append(", ");
builder.append(jqPlotToJson(chart.getChartConfiguration()));
builder.append(");\r\n");
builder.append("});\r\n");
return builder.toString();
}
public static String jqPlotToJson(ChartConfiguration jqPlot) {
XStream xstream = new XStream(new JsonHierarchicalStreamDriver() {
@Override
public HierarchicalStreamWriter createWriter(Writer writer) {
return new JsonWriter(writer, JsonWriter.DROP_ROOT_MODE) {
@Override
public void addAttribute(String name, String value) {
if (!name.contains("class")) {
super.addAttribute(name, value);
}
}
@Override
protected void addValue(String value, Type type) {
// TODO: See if it's the best way to do this.
// Passing null to avoid having quotes on $. object.
// With null is being serialized like a JSObject.
if (value.contains("$")) {
super.addValue(value, null);
} else {
super.addValue(value, type);
}
}
};
}
}) {
};
EnumConverter converter = new EnumConverter() {
@Override
public void marshal(Object source, HierarchicalStreamWriter writer,
MarshallingContext context) {
JqPlotResources plugin = (JqPlotResources) source;
writer.setValue(plugin.getClassName());
}
};
converter.canConvert(JqPlotResources.class);
xstream.registerConverter(converter);
return xstream.toXML(jqPlot);
}
}