A view on the Web

Our Web view model follows our design and fleshes it out with some implementation details:

// app/view/web/WebModel.js
Ext.define('Instrumatics.view.web.WebModel', {
    extend: 'Ext.app.ViewModel',
    alias: 'viewmodel.web-web',
    stores: {
        logData: {
            type: 'logentries',
            filters: [
                { property: 'startDate', value: '{currentStartDate}' },
                { property: 'endDate', value: '{currentEndDate}' }
            ]
        },

        logStatistics: {
            type: 'statistics',
            filters: [
                { property: 'category', value: '{currentCategory}' },
                { property: 'startDate', value: '{currentStartDate}' },
                { property: 'endDate', value: '{currentEndDate}' }
            ]
        },


        categories: {
            fields: ['text', 'value'],
            data: [{
                text: 'Browser', value: 'browser'
            },{
                text: 'Location', value...