package com.smartgwt.sample.showcase.client.dataintegration.java.serversummaries;

import com.smartgwt.client.data.AdvancedCriteria;
import com.smartgwt.client.data.Criterion;
import com.smartgwt.client.data.DataSource;
import com.smartgwt.client.types.FetchMode;
import com.smartgwt.client.types.ListGridFieldType;
import com.smartgwt.client.types.OperatorId;
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.ListGrid;
import com.smartgwt.client.widgets.grid.ListGridField;
import com.smartgwt.client.widgets.layout.VLayout;

import com.google.gwt.core.client.EntryPoint;

public class FilteredAggregationSample implements EntryPoint {

@Override
    public void onModuleLoad() {

DataSource ds = DataSource.get("filteredAggregation_orderItem");
    	final FilterBuilder advancedFilter = new FilterBuilder();
    	advancedFilter.setDataSource(ds);
    	
    	AdvancedCriteria adCriteria = new AdvancedCriteria(OperatorId.AND, new Criterion[]{
    	      new Criterion("unitCost", OperatorId.GREATER_THAN, 25),
    	      new Criterion("quantity", OperatorId.GREATER_THAN, 10),
    	      new Criterion("totalSales", OperatorId.GREATER_THAN, 30)
    	});    	
    	advancedFilter.setCriteria(adCriteria);
    	
    	final ListGrid orderItemSummaryList = new ListGrid();
    	orderItemSummaryList.setDataSource(ds);
    	orderItemSummaryList.setWidth(800);
    	orderItemSummaryList.setHeight(320);
    	orderItemSummaryList.setAutoFetchData(false);
    	orderItemSummaryList.setDataFetchMode(FetchMode.BASIC);
    	orderItemSummaryList.setShowAllRecords(true);
    	orderItemSummaryList.setFetchOperation("summary");
    	
    	ListGridField itemName = new ListGridField("itemName");
    	itemName.setWidth(400);
    	ListGridField SKU = new ListGridField("SKU");
    	ListGridField unitCost = new ListGridField("unitCost");
    	unitCost.setType(ListGridFieldType.FLOAT);
    	ListGridField quantity = new ListGridField("quantity");
    	quantity.setTitle("Total qty");
    	quantity.setType(ListGridFieldType.INTEGER);
    	ListGridField totalSales = new ListGridField("totalSales");
    	totalSales.setWidth(100);
    	totalSales.setType(ListGridFieldType.FLOAT);
    	
    	orderItemSummaryList.setFields(itemName,SKU,unitCost,quantity,totalSales);    	
    	
    	IButton filterButton = new IButton();
    	filterButton.setTitle("Filter");
    	filterButton.addClickHandler(new ClickHandler() {
			@Override
			public void onClick(ClickEvent event) {
				orderItemSummaryList.fetchData(advancedFilter.getCriteria());
			}
    	});
    	
    	VLayout vLayout = new VLayout();
    	vLayout.setWidth100();
    	vLayout.setMembersMargin(20);
    	vLayout.setMembers(advancedFilter, filterButton, orderItemSummaryList);
        
    	orderItemSummaryList.fetchData(advancedFilter.getCriteria());
    	
        vLayout.draw();
    }

}