package com.smartgwt.sample.showcase.client.grid.datatypes;

import com.google.gwt.i18n.client.NumberFormat;
import com.smartgwt.client.types.Alignment;
import com.smartgwt.client.types.ListGridEditEvent;
import com.smartgwt.client.types.ListGridFieldType;
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.sample.showcase.client.PanelFactory;
import com.smartgwt.sample.showcase.client.ShowcasePanel;
import com.smartgwt.sample.showcase.client.data.CountrySampleData;

public class GridDataTypesDecimalSample extends ShowcasePanel {
    private static final String DESCRIPTION = "Click on column headers to sort, or data values to" +
                                              " edit. \"GDP\" is a decimal (aka float) field.";

    public static class Factory implements PanelFactory {
        private String id;

        public ShowcasePanel create() {
            GridDataTypesDecimalSample panel = new GridDataTypesDecimalSample();
            id = panel.getID();
            return panel;
        }

        public String getID() {
            return id;
        }

        public String getDescription() {
            return DESCRIPTION;
        }
    }

    public Canvas getViewPanel() {
        Canvas canvas = new Canvas();

        final ListGrid countryGrid = new ListGrid();
        countryGrid.setWidth(350);
        countryGrid.setHeight(224);
        countryGrid.setShowAllRecords(true);
        countryGrid.setCanEdit(true);
        countryGrid.setEditEvent(ListGridEditEvent.CLICK);
        countryGrid.setModalEditing(true);

        ListGridField countryCodeField = new ListGridField("countryCode", "Flag", 50);
        countryCodeField.setAlign(Alignment.CENTER);
        countryCodeField.setType(ListGridFieldType.IMAGE);
        countryCodeField.setImageURLPrefix("flags/16/");
        countryCodeField.setImageURLSuffix(".png");
        countryCodeField.setCanEdit(false);
        ListGridField nameField = new ListGridField("countryName", "Country");
        ListGridField gdpField = new ListGridField("gdp", "GDP ($B)");
        gdpField.setType(ListGridFieldType.FLOAT);
        gdpField.setCellFormatter(new CellFormatter() {
            public String format(Object value, ListGridRecord record, int rowNum, int colNum) {
                if(value == null) return null;
                NumberFormat nf = NumberFormat.getFormat("#,##0.00");
                try {
                    return nf.format(((Number)value).floatValue());
                } catch (Exception e) {
                    return value.toString();
                }
            }
        });

        countryGrid.setFields(new ListGridField[] {countryCodeField, nameField, gdpField});
        countryGrid.setData(CountrySampleData.getRecords());
        canvas.addChild(countryGrid);

        return canvas;
    }

    public String getIntro() {
        return DESCRIPTION;
    }

}