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Thread: Sencha Touch belongsTo association using Store on Datalist

  1. #1
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    Default Sencha Touch belongsTo association using Store on Datalist

    I want to get belongsTo record on datalist and show parent record fields.




    Ext.define('MyApp.model.Customer', {
    extend: 'Ext.data.Model',


    config: {
    fields: ['Id',
    'EMail'],
    hasMany: [{
    model: 'MyApp.model.OutstandingInvoice',
    name: 'OutstandingInvoice',
    primaryKey: 'Id',
    foreignKey: 'customerId',
    foreignStore: 'OutstandingInvoices'
    }]
    }
    });


    Ext.define('MyApp.model.OutstandingInvoice', {
    extend: 'Ext.data.Model',


    config: {
    fields: [
    'InvoiceDate',
    'InvoiceID',
    'customerId'
    ],
    belongsTo: [{
    model: 'MyApp.model.Customer',
    name: 'Customer',
    primaryKey: 'Id',
    foreignKey: 'customerId',
    foreignStore: 'Customers'
    }]
    }
    });




    Ext.define('MyApp.store.OutstandingInvoices', {
    extend: 'Ext.data.Store',


    config: {
    model: 'MyApp.model.OutstandingInvoice',
    storeId: 'OutstandingInvoiceStore',
    proxy: {
    useDefaultXhrHeader: false,
    type: 'ajax',
    url : 'http://localhost/getOutstandingInvoices',
    reader: {
    type: 'json'
    }
    },
    autoLoad: false
    }
    });




    Ext.define('MyApp.store.Customers', {
    extend: 'Ext.data.Store',


    config: {
    model: 'MyApp.model.Customer',
    storeId: 'CustomerStore',
    proxy: {
    useDefaultXhrHeader: false,
    type: 'ajax',
    url : 'http://localhost/getCustJList',
    reader: {
    type: 'json'
    }
    },
    autoLoad: false,
    sorters: [{
    property : 'FName',
    direction: 'ASC'
    }]
    }
    });






    Ext.define('MyApp.view.OutstandingInvoices', {
    extend: 'Ext.Panel',
    xtype: 'outstandingInvoicesXType',
    config: {
    cls : 'invoiceSummaryCls',
    scrollable: 'vertical',
    items: [
    {
    xtype: 'titlebar',
    docked: 'top',
    title: 'Outstanding Invoices'
    },
    {
    xtype : 'list',
    scrollable: false,
    store: 'OutstandingInvoiceStore',
    cls : 'p10',
    itemTpl: [
    '<div>Invoice # {InvoiceID}</div>',
    '<div>{InvoiceDate}</div>',
    '<div>{Customer.Email}</div>', // I want to show Customer name here as its belongsTo Customer
    ],
    listeners: {
    itemtap:function (list, index, targe, rec, e, eOpts) {
    console.log(rec)
    }
    }
    }
    ]
    }


    });




    I want to show Customer name in datalist but having issue with association or Xtemplate
    I am getting this error


    Uncaught Error: [ERROR][Ext.XTemplate#apply] Cannot read property 'Email' of undefined




    Please help me out in this.

  2. #2
    Sencha - Sr Software Engineer mitchellsimoens's Avatar
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    Default

    The store is using the customer model so you have the Id and EMail fields there. Then you can get the hasMany data from the Customer model.
    Mitchell Simoens @LikelyMitch
    Sencha Inc, Senior Software Engineer
    ________________
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    Check out my GitHub, lots of nice things for Ext JS and Sencha Touch
    https://github.com/mitchellsimoens

  3. #3
    Sencha User
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    Default

    Quote Originally Posted by mitchellsimoens View Post
    The store is using the customer model so you have the Id and EMail fields there. Then you can get the hasMany data from the Customer model.
    Can you please explain your answer, how can I use association in List?

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