extjs-gpl/build/examples/kitchensink/modern/src/store/Pie.js

GPL licensed version of Sencha Ext JS

(function () {
    var seed = 1.3;

    // Controllable random.
    function random() {
        seed *= 7.3;
        seed -= Math.floor(seed);
        return seed;
    }

    Ext.define('KitchenSink.store.Pie', {
        extend: 'Ext.data.Store',
        alias: 'store.pie',

        config: {
            numRecords: 9
        },

        fields: ['id', 'g1', 'g2', 'g3', 'g4', 'g5', 'g6', 'name'],

        generateData: function (count) {
            var data = [], 
                record = {
                    id: 0,
                    g1: 700 * random() + 100,
                    g2: 700 * random() + 100,
                    g3: 700 * random() + 100,
                    g4: 700 * random() + 100,
                    g5: 700 * random() + 100,
                    g6: 700 * random() + 100,
                    name: 'A'
                }, i;

            data.push(record);
            for (i = 1; i < count; i++) {
                record = {
                    id: i,
                    g1: Math.abs(record.g1 + 300 * random() - 140),
                    g2: Math.abs(record.g2 + 300 * random() - 140),
                    g3: Math.abs(record.g3 + 300 * random() - 140),
                    g4: Math.abs(record.g4 + 300 * random() - 140),
                    g5: Math.abs(record.g5 + 300 * random() - 140),
                    g6: Math.abs(record.g6 + 300 * random() - 140),
                    name: String.fromCharCode(65 + i)
                };
                data.push(record);
            }
            this.loadData(data);
        },
        constructor: function (config) {
            var me = this;
            me.callParent([config]);
            me.generateData(me.getNumRecords());
        }
    });
})();