package com.smartgwt.sample.showcase.client.grid.sortfilter;
import com.google.gwt.i18n.client.NumberFormat;
import com.smartgwt.client.types.Alignment;
import com.smartgwt.client.types.ListGridFieldType;
import com.smartgwt.client.types.SortDirection;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.grid.CellFormatter;
import com.smartgwt.client.widgets.grid.ListGrid;
import com.smartgwt.client.widgets.grid.ListGridField;
import com.smartgwt.client.widgets.grid.ListGridRecord;
import com.smartgwt.client.widgets.grid.SortNormalizer;
import com.smartgwt.sample.showcase.client.PanelFactory;
import com.smartgwt.sample.showcase.client.ShowcasePanel;
import com.smartgwt.sample.showcase.client.data.CountrySampleData;
public class SortDataTypesSample extends ShowcasePanel {
private static final String DESCRIPTION = "Click on any column header to sort by that column. The \"Nationhood\", \"Area\", and \"GDP (per capita)\" " +
"columns are sorted as date, number, and calculated number values, respectively.";
public static class Factory implements PanelFactory {
private String id;
public ShowcasePanel create() {
SortDataTypesSample panel = new SortDataTypesSample();
id = panel.getID();
return panel;
}
public String getID() {
return id;
}
public String getDescription() {
return DESCRIPTION;
}
}
public Canvas getViewPanel() {
final ListGrid countryGrid = new ListGrid();
countryGrid.setWidth(500);
countryGrid.setHeight(224);
countryGrid.setShowAllRecords(true);
ListGridField countryCodeField = new ListGridField("countryCode", "Flag", 50);
countryCodeField.setAlign(Alignment.CENTER);
countryCodeField.setType(ListGridFieldType.IMAGE);
countryCodeField.setImageURLPrefix("flags/16/");
countryCodeField.setImageURLSuffix(".png");
countryCodeField.setCanSort(false);
final NumberFormat nf = NumberFormat.getFormat("0,000");
ListGridField nameField = new ListGridField("countryName", "Country");
ListGridField independenceField = new ListGridField("independence", "NationHood");
independenceField.setType(ListGridFieldType.DATE);
ListGridField areaField = new ListGridField("area", "Area (km²)");
areaField.setType(ListGridFieldType.INTEGER);
areaField.setCellFormatter(new CellFormatter() {
public String format(Object value, ListGridRecord record, int rowNum, int colNum) {
if(value == null) return null;
NumberFormat nf = NumberFormat.getFormat("0,000");
String val = null;
try {
val = nf.format(((Number) value).longValue());
} catch (Exception e) {
return value.toString();
}
return val + "km²";
}
});
ListGridField gdpPerCapitaField = new ListGridField("gdp_percap", "GDP (per capita)");
gdpPerCapitaField.setAlign(Alignment.RIGHT);
gdpPerCapitaField.setCellFormatter(new CellFormatter() {
public String format(Object value, ListGridRecord record, int rowNum, int colNum) {
long gdpPerCapita = Math.round((record.getAttributeAsDouble("gdp") * 1000000000) / record.getAttributeAsInt("population"));
NumberFormat nf = NumberFormat.getFormat("0,000");
return "$" + nf.format(gdpPerCapita);
}
});
gdpPerCapitaField.setSortNormalizer(new SortNormalizer() {
public Object normalize(ListGridRecord record, String fieldName) {
return record.getAttributeAsDouble("gdp") / record.getAttributeAsInt("population");
}
});
countryGrid.setFields(countryCodeField, nameField, independenceField, areaField, gdpPerCapitaField);
countryGrid.setData(CountrySampleData.getRecords());
// initial sort on Area, high-to-low
countryGrid.setSortField(3);
countryGrid.setSortDirection(SortDirection.DESCENDING);
return countryGrid;
}
public String getIntro() {
return DESCRIPTION;
}
}