Question

I’ve been able to get ExtJS grids to create from external XML files. I usually define stores as follows:

var store = new Ext.data.Store({
    model: 'PersonModel',
    proxy: {
        type: 'ajax',
        url : 'MyXML.xml',
        reader: {
            type  : 'xml',
            record: 'Person'
        }
    }
});

I have an XML fragment stored in one of the fields, so let’s just say I have it in a local variable. How can I implement the store to read from a variable/string and not from a file? Thanks.

Answer 1

I got it to work. The trick was to define a memory type proxy and then pass a parsed xml object to it.

var xmlstr =    "<personRecord>" +
                    "<Person>" +
                        "<firstName>Stan</firstName>" +
                        "<lastName>C</lastName>" +
                    "</Person>" +
                    "<Person>" +
                        "<firstName>Stanley</firstName>" +
                        "<lastName>D</lastName>" +
                    "</Person>" +
                "</personRecord>";


var doc;
if (window.ActiveXObject) {         //IE
    var doc = new ActiveXObject("Microsoft.XMLDOM");
    doc.async = "false";
    doc.loadXML(xmlstr);
} else {                             //Mozilla
    var doc = new DOMParser().parseFromString(xmlstr, "text/xml");
}


var memstore = new Ext.data.Store({
    autoLoad: true,
    model: 'Person',
    data : doc,
    proxy: {
        type: 'memory',
        reader: {
            type: 'xml',
            record: 'Person'
        }
    }
});