问EXTJS 6 MVVM基础混乱

EN

//Define model
Ext.define('NJDHV10.model.UserModel', {
    extend: 'Ext.data.Model',
    //Define fields in store
    fields: ['fullname', 'email', 'phone'],
});
//Define Store
Ext.define('NJDHV10.store.UserStore', {

    extend: 'Ext.data.Store',
    model: 'NJDHV10.model.UserModel',
    alias: 'store.userstore',
    data: [{
        fullname: 'Chunk P',
        email: 'alias@njdhv10.com',
        phone: 9827623311
    }, {
        fullname: 'Champ M',
        email: 'super@njdhv10.com',
        phone: 9827623312
    }, {
        fullname: 'David W',
        email: 'david@njdhv10.com',
        phone: 9827623313
    }, {
        fullname: 'Marin d',
        email: 'marin@njdhv10.com',
        phone: 9827623314
    }]

});
//Define ViewModel for user list
Ext.define('NJDHV10.view.UserListModel', {

    extend: 'Ext.app.ViewModel',

    alias: 'viewmodel.userlistvm',

    stores: {
        userstore: {
            type: 'userstore'
        }
    }
});
//Define Controller
Ext.define('NJDHV10.view.UserController', {

    extend: 'Ext.app.ViewController',

    alias: 'controller.user',

    /**
     * This function will fire on grid item click
     * @param { Ext.selection.RowModel} selModel
     * @param {Ext.data.Model} rec
     */
    onGridItemClick: function (selModel, rec) {
        var form = Ext.ComponentQuery.query('userform')[0];
        if (!form) {
            form = Ext.create('NJDHV10.view.UserForm');
        }
        if (form.isHidden()) {
            form.show();
        }
        form.getViewModel().set('userData', rec)
    }

});
//Define ViewModel for user form data
Ext.define('NJDHV10.view.UserFormModel', {

    extend: 'Ext.app.ViewModel',

    alias: 'viewmodel.userformvm',

    data: {
        userData: null
    }
});

//User form for entry
Ext.define('NJDHV10.view.UserForm', {
    extend: 'Ext.window.Window',
    closable: true,
    width: 320,
    //Define xtype
    // xtype: 'userform',
    alias: 'widget.userform',
    model: true,
    autoDestroy: true,
    floating: true, // make this panel an absolutely-positioned floating component
    //provide viewmodel to form
    viewModel: {
        type: 'userformvm'
    },

    title: 'User Form',

    layout: {
        align: 'stretch',
        type: 'vbox'
    },

    defaults: {
        xtype: 'textfield',
        margin: 10,
        labelAlign: 'top'
    },

    items: [{
        fieldLabel: 'Full Name',
        bind: {
            value: '{userData.fullname}' //bind data using viewmodel in form
        },
        name: 'fullname'
    }, {
        fieldLabel: 'Email',
        bind: {
            value: '{userData.email}' //bind data using viewmodel in form
        },
        name: 'email',
        vType: 'email'
    }, {
        fieldLabel: 'Phone Number',
        bind: {
            value: '{userData.phone}' //bind data using viewmodel in form
        },
        name: 'phone'
    }]
});
//Define user grid
Ext.define('NJDHV10.view.UserGrid', {
    extend: 'Ext.grid.Panel',
    xtype: 'usergrid',
    title: 'User List (Click to any row and see details in window)',
    controller: 'user',
    //provide view model to gridQA8sjZHC
    viewModel: {
        type: 'userlistvm'
    },
    //Bind store to grid
    bind: {
        store: '{userstore}'
    },
    //Add listeners into item click
    listeners: {
        itemclick: 'onGridItemClick'
    },
    columns: [{
        xtype: 'rownumberer'
    }, {
        text: 'Name',
        flex: 1,
        dataIndex: 'fullname'
    }, {
        text: 'Email',
        dataIndex: 'email',
        flex: 1
    }, {
        text: 'Phone Number',
        flex: 1,
        dataIndex: 'phone'
    }]
});

Ext.application({
    name: 'NJDHV10',
    launch: function () {
        //Create grid to view
        Ext.create('NJDHV10.view.UserGrid', {
            layout: 'fit',
            renderTo: Ext.getBody()
        });
    }
});