package com.smartgwt.sample.showcase.client.grid;
import com.google.gwt.i18n.client.NumberFormat;
import com.smartgwt.client.data.DataSource;
import com.smartgwt.client.types.ListGridFieldType;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.IButton;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.form.FilterBuilder;
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.layout.VStack;
import com.smartgwt.sample.showcase.client.PanelFactory;
import com.smartgwt.sample.showcase.client.ShowcasePanel;
import com.smartgwt.sample.showcase.client.data.WorldXmlDS;
public class GridNestedFilterBulderSample extends ShowcasePanel {
private static final String DESCRIPTION = "<p>Use the FilterBuilder to construct queries of arbitrary complexity. " +
"The FilterBuilder, and the underlying AdvancedCriteria system, support building queries with subclauses " +
"nested to any depth.</p><p>Add clauses to your query with the \"+\" icon; add nested subclauses with the \"+()\" " +
"button. Click \"Filter\" to see the result in the ListGrid.</p>";
public static class Factory implements PanelFactory {
private String id;
public ShowcasePanel create() {
GridNestedFilterBulderSample panel = new GridNestedFilterBulderSample();
id = panel.getID();
return panel;
}
public String getID() {
return id;
}
public String getDescription() {
return DESCRIPTION;
}
}
public Canvas getViewPanel() {
DataSource worldDS = WorldXmlDS.getInstance();
final FilterBuilder filterBuilder = new FilterBuilder();
filterBuilder.setDataSource(worldDS);
final ListGrid countryGrid = new ListGrid();
countryGrid.setWidth(550);
countryGrid.setHeight(224);
countryGrid.setDataSource(worldDS);
countryGrid.setAutoFetchData(true);
ListGridField nameField = new ListGridField("countryName", "Country");
ListGridField continentField = new ListGridField("continent", "Continent");
ListGridField memberG8Field = new ListGridField("member_g8", "Member G8");
memberG8Field.setCanEdit(false);
ListGridField populationField = new ListGridField("population", "Population");
populationField.setType(ListGridFieldType.INTEGER);
populationField.setCellFormatter(new CellFormatter() {
public String format(Object value, ListGridRecord record, int rowNum, int colNum) {
if(value == null) return null;
try {
NumberFormat nf = NumberFormat.getFormat("0,000");
return nf.format(((Number) value).longValue());
} catch (Exception e) {
return value.toString();
}
}
});
ListGridField independenceField = new ListGridField("independence", "Independence");
countryGrid.setFields(nameField,continentField, memberG8Field, populationField, independenceField);
IButton filterButton = new IButton("Filter");
filterButton.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
countryGrid.filterData(filterBuilder.getCriteria());
}
});
VStack vStack = new VStack(10);
vStack.addMember(filterBuilder);
vStack.addMember(filterButton);
vStack.addMember(countryGrid);
return vStack;
}
public String getIntro() {
return DESCRIPTION;
}
}