JavaScript DHTML/Ext JS/XmlReader

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Data Binding Example and Ext.data.XmlReader

  
<!--
/*!
 * Ext JS Library 3.0.0
 * Copyright(c) 2006-2009 Ext JS, LLC
 * licensing@extjs.ru
 * http://www.extjs.ru/license
 */
-->
<html>
<head>
<title>Hello World Window</title>
<link rel="stylesheet" type="text/css" href="ext-3.0.0/resources/css/ext-all.css" />
<script type="text/javascript" src="ext-3.0.0/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="ext-3.0.0/ext-all.js"></script>
</head>
<!-- Revised from demo code in ext3.0.0 -->
<body>
<script type="text/javascript">
/*!
 * Ext JS Library 3.0.0
 * Copyright(c) 2006-2009 Ext JS, LLC
 * licensing@extjs.ru
 * http://www.extjs.ru/license
 */
Ext.onReady(function(){
  
    // create the Data Store
    var store = new Ext.data.Store({
        // load using HTTP
        url: "ext-3.0.0/examples/grid/sheldon.xml",
        // the return will be XML, so lets set up a reader
        reader: new Ext.data.XmlReader({
               // records will have an "Item" tag
               record: "Item",
               id: "ASIN",
               totalRecords: "@total"
           }, [
               // set up the fields mapping into the xml doc
               // The first needs mapping, the others are very basic
               {name: "Author", mapping: "ItemAttributes > Author"},
               "Title",
         "Manufacturer",
         "ProductGroup",
         // Detail URL is not part of the column model of the grid
         "DetailPageURL"
           ])
    });
    // create the grid
    var grid = new Ext.grid.GridPanel({
        store: store,
        columns: [
            {header: "Author", width: 120, dataIndex: "Author", sortable: true},
            {header: "Title", width: 180, dataIndex: "Title", sortable: true},
            {header: "Manufacturer", width: 115, dataIndex: "Manufacturer", sortable: true},
            {header: "Product Group", width: 100, dataIndex: "ProductGroup", sortable: true}
        ],
    sm: new Ext.grid.RowSelectionModel({singleSelect: true}),
    viewConfig: {
      forceFit: true
    },
        height:210,
    split: true,
    region: "north"
    });
  
  // define a template to use for the detail view
  var bookTplMarkup = [
    "Title: <a href="{DetailPageURL}" target="_blank">{Title}</a><br/>",
    "Author: {Author}<br/>",
    "Manufacturer: {Manufacturer}<br/>",
    "Product Group: {ProductGroup}<br/>"
  ];
  var bookTpl = new Ext.Template(bookTplMarkup);
  var ct = new Ext.Panel({
    renderTo: "binding-example",
    frame: true,
    title: "Book List",
    width: 540,
    height: 400,
    layout: "border",
    items: [
      grid,
      {
        id: "detailPanel",
        region: "center",
        bodyStyle: {
          background: "#ffffff",
          padding: "7px"
        },
        html: "Please select a book to see additional details."
      }
    ]
  })
  grid.getSelectionModel().on("rowselect", function(sm, rowIdx, r) {
    var detailPanel = Ext.getCmp("detailPanel");
    bookTpl.overwrite(detailPanel.body, r.data);
  });
    store.load();
});
</script> 
<div id="binding-example"></div>
</body>
</html>



Define XML reader for read data from xml file

   
<!--
/*!
 * Ext JS Library 3.0.0
 * Copyright(c) 2006-2009 Ext JS, LLC
 * licensing@extjs.ru
 * http://www.extjs.ru/license
 */
-->
<html>
<head>
<title>Hello World Window</title>
<link rel="stylesheet" type="text/css" href="ext-3.0.0/resources/css/ext-all.css" />
<script type="text/javascript" src="ext-3.0.0/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="ext-3.0.0/ext-all.js"></script>
</head>
<!-- Revised from demo code in ext3.0.0 -->
<body>
<script type="text/javascript">
/*!
 * Ext JS Library 3.0.0
 * Copyright(c) 2006-2009 Ext JS, LLC
 * licensing@extjs.ru
 * http://www.extjs.ru/license
 */
// some data used in the examples
Ext.namespace("Ext.exampledata");
Ext.exampledata.states = [
        ["AL", "Alabama", "The Heart of Dixie"],
        ["AK", "Alaska", "The Land of the Midnight Sun"],
        ["AZ", "Arizona", "The Grand Canyon State"],
        ["AR", "Arkansas", "The Natural State"],
        ["CA", "California", "The Golden State"],
        ["CO", "Colorado", "The Mountain State"],
        ["CT", "Connecticut", "The Constitution State"],
        ["DE", "Delaware", "The First State"],
        ["DC", "District of Columbia", "The Nation"s Capital"],
        ["FL", "Florida", "The Sunshine State"],
        ["GA", "Georgia", "The Peach State"],
        ["HI", "Hawaii", "The Aloha State"],
        ["ID", "Idaho", "Famous Potatoes"],
        ["IL", "Illinois", "The Prairie State"],
        ["IN", "Indiana", "The Hospitality State"],
        ["IA", "Iowa", "The Corn State"],
        ["KS", "Kansas", "The Sunflower State"],
        ["KY", "Kentucky", "The Bluegrass State"],
        ["LA", "Louisiana", "The Bayou State"],
        ["ME", "Maine", "The Pine Tree State"],
        ["MD", "Maryland", "Chesapeake State"],
        ["MA", "Massachusetts", "The Spirit of America"],
        ["MI", "Michigan", "Great Lakes State"],
        ["MN", "Minnesota", "North Star State"],
        ["MS", "Mississippi", "Magnolia State"],
        ["MO", "Missouri", "Show Me State"],
        ["MT", "Montana", "Big Sky Country"],
        ["NE", "Nebraska", "Beef State"],
        ["NV", "Nevada", "Silver State"],
        ["NH", "New Hampshire", "Granite State"],
        ["NJ", "New Jersey", "Garden State"],
        ["NM", "New Mexico", "Land of Enchantment"],
        ["NY", "New York", "Empire State"],
        ["NC", "North Carolina", "First in Freedom"],
        ["ND", "North Dakota", "Peace Garden State"],
        ["OH", "Ohio", "The Heart of it All"],
        ["OK", "Oklahoma", "Oklahoma is OK"],
        ["OR", "Oregon", "Pacific Wonderland"],
        ["PA", "Pennsylvania", "Keystone State"],
        ["RI", "Rhode Island", "Ocean State"],
        ["SC", "South Carolina", "Nothing Could be Finer"],
        ["SD", "South Dakota", "Great Faces, Great Places"],
        ["TN", "Tennessee", "Volunteer State"],
        ["TX", "Texas", "Lone Star State"],
        ["UT", "Utah", "Salt Lake State"],
        ["VT", "Vermont", "Green Mountain State"],
        ["VA", "Virginia", "Mother of States"],
        ["WA", "Washington", "Green Tree State"],
        ["WV", "West Virginia", "Mountain State"],
        ["WI", "Wisconsin", "America"s Dairyland"],
        ["WY", "Wyoming", "Like No Place on Earth"]
    ];
/*!
 * Ext JS Library 3.0.0
 * Copyright(c) 2006-2009 Ext JS, LLC
 * licensing@extjs.ru
 * http://www.extjs.ru/license
 */
Ext.onReady(function(){
    Ext.QuickTips.init();
    // turn on validation errors beside the field globally
    Ext.form.Field.prototype.msgTarget = "side";
    var fs = new Ext.FormPanel({
        frame: true,
        title:"XML Form",
        labelAlign: "right",
        labelWidth: 85,
        width:340,
        waitMsgTarget: true,
        // configure how to read the XML Data
        reader : new Ext.data.XmlReader({
            record : "contact",
            success: "@success"
        }, [
            {name: "first", mapping:"name/first"}, // custom mapping
            {name: "last", mapping:"name/last"},
            "company", "email", "state",
            {name: "dob", type:"date", dateFormat:"m/d/Y"} // custom data types
        ]),
        // reusable eror reader class defined at the end of this file
        errorReader: new Ext.form.XmlErrorReader(),
        items: [
            new Ext.form.FieldSet({
                title: "Contact Information",
                autoHeight: true,
                defaultType: "textfield",
                items: [{
                        fieldLabel: "First Name",
                        name: "first",
                        width:190
                    }, {
                        fieldLabel: "Last Name",
                        name: "last",
                        width:190
                    }, {
                        fieldLabel: "Company",
                        name: "company",
                        width:190
                    }, {
                        fieldLabel: "Email",
                        name: "email",
                        vtype:"email",
                        width:190
                    },
                    new Ext.form.ruboBox({
                        fieldLabel: "State",
                        hiddenName:"state",
                        store: new Ext.data.ArrayStore({
                            fields: ["abbr", "state"],
                            data : Ext.exampledata.states // from states.js
                        }),
                        valueField:"abbr",
                        displayField:"state",
                        typeAhead: true,
                        mode: "local",
                        triggerAction: "all",
                        emptyText:"Select a state...",
                        selectOnFocus:true,
                        width:190
                    }),
                    new Ext.form.DateField({
                        fieldLabel: "Date of Birth",
                        name: "dob",
                        width:190,
                        allowBlank:false
                    })
                ]
            })
        ]
    });
    // simple button add
    fs.addButton("Load", function(){
        fs.getForm().load({url:"ext-3.0.0/examples/form/xml-form.xml", waitMsg:"Loading"});
    });
    // explicit add
    var submit = fs.addButton({
        text: "Submit",
        disabled:true,
        handler: function(){
            fs.getForm().submit({url:"ext-3.0.0/examples/form/xml-errors.xml", waitMsg:"Saving Data..."});
        }
    });
    fs.render("form-ct");
    fs.on({
        actioncomplete: function(form, action){
            if(action.type == "load"){
                submit.enable();
            }
        }
    });
});
// A reusable error reader class for XML forms
Ext.form.XmlErrorReader = function(){
    Ext.form.XmlErrorReader.superclass.constructor.call(this, {
            record : "field",
            success: "@success"
        }, [
            "id", "msg"
        ]
    );
};
Ext.extend(Ext.form.XmlErrorReader, Ext.data.XmlReader);
</script> 
<div id="form-ct"></div>
</body>
</html>



Use Ext.data.XmlReader to load data from xml file

  
<!--
/*!
 * Ext JS Library 3.0.0
 * Copyright(c) 2006-2009 Ext JS, LLC
 * licensing@extjs.ru
 * http://www.extjs.ru/license
 */
-->
<html>
<head>
<title>Hello World Window</title>
<link rel="stylesheet" type="text/css" href="ext-3.0.0/resources/css/ext-all.css" />
<script type="text/javascript" src="ext-3.0.0/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="ext-3.0.0/ext-all.js"></script>
</head>
<!-- Revised from demo code in ext3.0.0 -->
<body>
<script type="text/javascript">
/*!
 * Ext JS Library 3.0.0
 * Copyright(c) 2006-2009 Ext JS, LLC
 * licensing@extjs.ru
 * http://www.extjs.ru/license
 */
Ext.onReady(function(){
  
    // create the Data Store
    var store = new Ext.data.Store({
        // load using HTTP
        url: "ext-3.0.0/examples/grid/sheldon.xml",
        // the return will be XML, so lets set up a reader
        reader: new Ext.data.XmlReader({
               // records will have an "Item" tag
               record: "Item",
               id: "ASIN",
               totalRecords: "@total"
           }, [
               // set up the fields mapping into the xml doc
               // The first needs mapping, the others are very basic
               {name: "Author", mapping: "ItemAttributes > Author"},
               "Title",
         "Manufacturer",
         "ProductGroup",
         // Detail URL is not part of the column model of the grid
         "DetailPageURL"
           ])
    });
    // create the grid
    var grid = new Ext.grid.GridPanel({
        store: store,
        columns: [
            {header: "Author", width: 120, dataIndex: "Author", sortable: true},
            {header: "Title", width: 180, dataIndex: "Title", sortable: true},
            {header: "Manufacturer", width: 115, dataIndex: "Manufacturer", sortable: true},
            {header: "Product Group", width: 100, dataIndex: "ProductGroup", sortable: true}
        ],
    sm: new Ext.grid.RowSelectionModel({singleSelect: true}),
    viewConfig: {
      forceFit: true
    },
        height:210,
    split: true,
    region: "north"
    });
  
  // define a template to use for the detail view
  var bookTplMarkup = [
    "Title: <a href="{DetailPageURL}" target="_blank">{Title}</a><br/>",
    "Author: {Author}<br/>",
    "Manufacturer: {Manufacturer}<br/>",
    "Product Group: {ProductGroup}<br/>"
  ];
  var bookTpl = new Ext.Template(bookTplMarkup);
  var ct = new Ext.Panel({
    renderTo: "binding-example",
    frame: true,
    title: "Book List",
    width: 540,
    height: 400,
    layout: "border",
    items: [
      grid,
      {
        id: "detailPanel",
        region: "center",
        bodyStyle: {
          background: "#ffffff",
          padding: "7px"
        },
        html: "Please select a book to see additional details."
      }
    ]
  })
  grid.getSelectionModel().on("rowselect", function(sm, rowIdx, r) {
    var detailPanel = Ext.getCmp("detailPanel");
    bookTpl.overwrite(detailPanel.body, r.data);
  });
    store.load();
});
</script> 
<div id="binding-example"></div>
</body>
</html>