calculated.js

javascript 很酷的类库

isc.ListGrid.create({
    ID: "countryList",
    width:500, height:224, alternateRecordStyles:true, showAllRecords:true,
    canEdit:true, editEvent:"click", modalEditing:true, saveByCell:true,
    data: countryData,
    fields:[
        {name:"countryCode", title:"Flag", width:50, type:"image", imageURLPrefix:"flags/16/", imageURLSuffix:".png", canEdit:false},
        {name:"countryName", title:"Country"},
        {name:"population", title:"Population",
            type:"integer",
            formatCellValue:"isc.Format.toUSString(value);"
        },
        {name:"gdp", title:"GDP ($B)",
            type:"float",
            formatCellValue:"isc.isA.Number(value) ? value.toUSString(1) : value;"
        },
        {name:"gdp_percap", title:"GDP (per capita)",
            canEdit:false,
            align:"right",
            formatCellValue: function (value, record) {
                if (!isc.isA.Number(record.gdp) || !isc.isA.Number(record.population)) return "N/A";
                var gdpPerCapita = Math.round(record.gdp*1000000000/record.population);
                return isc.Format.toUSDollarString(gdpPerCapita);
            },
            sortNormalizer: function (record) {
                return record.gdp/record.population;
            }
        }
    ],
    editorChange: function (record, newValue, oldValue, rowNum, colNum) {
        var fieldName = this.getFieldName(colNum);
        if (fieldName == 'gdp' || fieldName == 'population') {
            this.refreshCell(rowNum, this.getFieldNum('gdp_percap'), false, true);
        }
    }
})