docs/partials/recordset-basic-source.mustache

	recordset-basic-source.mustache revision 125a6c5e5913a2ffbc0e4589e241c7e868e6e0de
2N/A<div id="demo">
2N/A    <table>
2N/A        <thead>
2N/A            <tr>
2N/A                <th>State</th>
2N/A                <th>Population</th>
2N/A                <th>Land Area</th>
2N/A            </tr>
2N/A        <tbody>
2N/A        </tbody>
2N/A    </table>
2N/A</div>
2N/A
2N/A<input type="button" id="addButton" href="add.php" value="Add Record To Bottom">
2N/A<input type="button" id="removeButton" href="remove.php" value="Remove Record from Top">
2N/A<input type="button" id="emptyButton" href="empty.php" value="Empty Recordset">
2N/A<input type="button" id="updateButton" href="update.php" value="Update 2nd Last Record">
2N/A<script>
2N/AYUI().use("recordset-base", "node", function (Y) {
2N/A
2N/A    var state_census_data = [
2N/A        {ANSI: "01000", STATE: "ALABAMA", TOTAL_POP: 4708708, LAND_AREA: 50744, POP_PER_SQ_MILE: 87.6},
2N/A        {ANSI: "02000", STATE: "ALASKA", TOTAL_POP: 698473, LAND_AREA: 571951.26, POP_PER_SQ_MILE: 1.1},
2N/A        {ANSI: "04000", STATE: "ARIZONA", TOTAL_POP: 6595778, LAND_AREA: 113634.57, POP_PER_SQ_MILE: 45.2},
2N/A        {ANSI: "05000", STATE: "ARKANSAS", TOTAL_POP: 2889450, LAND_AREA: 52068.17, POP_PER_SQ_MILE: 51.3},
2N/A        {ANSI: "06000", STATE: "CALIFORNIA", TOTAL_POP: 36961664, LAND_AREA: 155959.34, POP_PER_SQ_MILE: 217.2},
2N/A        {ANSI: "08000", STATE: "COLORADO", TOTAL_POP: 5024748, LAND_AREA: 103717.53, POP_PER_SQ_MILE: 41.5},
2N/A        {ANSI: "09000", STATE: "CONNECTICUT", TOTAL_POP: 3518288, LAND_AREA: 4844.8, POP_PER_SQ_MILE: 702.9},
2N/A        {ANSI: "10000", STATE: "DELAWARE", TOTAL_POP: 885122, LAND_AREA: 1953.56, POP_PER_SQ_MILE: 401},
2N/A        {ANSI: "12000", STATE: "FLORIDA", TOTAL_POP: 18537969, LAND_AREA: 53926.82, POP_PER_SQ_MILE: 296.4},
2N/A        {ANSI: "13000", STATE: "GEORGIA", TOTAL_POP: 9829211, LAND_AREA: 57906.14, POP_PER_SQ_MILE: 141.4},
2N/A        {ANSI: "15000", STATE: "HAWAII", TOTAL_POP: 1295178, LAND_AREA: 6422.62, POP_PER_SQ_MILE: 188.6},
2N/A        {ANSI: "16000", STATE: "IDAHO", TOTAL_POP: 1545801, LAND_AREA: 82747.21, POP_PER_SQ_MILE: 15.6},
2N/A        {ANSI: "17000", STATE: "ILLINOIS", TOTAL_POP: 12910409, LAND_AREA: 55583.58, POP_PER_SQ_MILE: 223.4},
2N/A        {ANSI: "18000", STATE: "INDIANA", TOTAL_POP: 6423113, LAND_AREA: 35866.9, POP_PER_SQ_MILE: 169.5},
2N/A        {ANSI: "19000", STATE: "IOWA", TOTAL_POP: 3007856, LAND_AREA: 55869.36, POP_PER_SQ_MILE: 52.4},
2N/A        {ANSI: "20000", STATE: "KANSAS", TOTAL_POP: 2818747, LAND_AREA: 81814.88, POP_PER_SQ_MILE: 32.9},
2N/A        {ANSI: "21000", STATE: "KENTUCKY", TOTAL_POP: 4314113, LAND_AREA: 39728.18, POP_PER_SQ_MILE: 101.7},
2N/A        {ANSI: "22000", STATE: "LOUISIANA", TOTAL_POP: 4492076, LAND_AREA: 43561.85, POP_PER_SQ_MILE: 102.6},
2N/A        {ANSI: "23000", STATE: "MAINE", TOTAL_POP: 1318301, LAND_AREA: 30861.55, POP_PER_SQ_MILE: 41.3},
2N/A        {ANSI: "24000", STATE: "MARYLAND", TOTAL_POP: 5699478, LAND_AREA: 9773.82, POP_PER_SQ_MILE: 541.9},
2N/A        {ANSI: "25000", STATE: "MASSACHUSETTS", TOTAL_POP: 6593587, LAND_AREA: 7840.02, POP_PER_SQ_MILE: 809.8},
2N/A        {ANSI: "26000", STATE: "MICHIGAN", TOTAL_POP: 9969727, LAND_AREA: 56803.82, POP_PER_SQ_MILE: 175},
2N/A        {ANSI: "27000", STATE: "MINNESOTA", TOTAL_POP: 5266214, LAND_AREA: 79610.08, POP_PER_SQ_MILE: 61.8},
2N/A        {ANSI: "28000", STATE: "MISSISSIPPI", TOTAL_POP: 2951996, LAND_AREA: 46906.96, POP_PER_SQ_MILE: 60.6},
2N/A        {ANSI: "29000", STATE: "MISSOURI", TOTAL_POP: 5987580, LAND_AREA: 68885.93, POP_PER_SQ_MILE: 81.2},
2N/A        {ANSI: "30000", STATE: "MONTANA", TOTAL_POP: 974989, LAND_AREA: 145552.43, POP_PER_SQ_MILE: 6.2},
2N/A        {ANSI: "31000", STATE: "NEBRASKA", TOTAL_POP: 1796619, LAND_AREA: 76872.41, POP_PER_SQ_MILE: 22.3},
2N/A        {ANSI: "32000", STATE: "NEVADA", TOTAL_POP: 2643085, LAND_AREA: 109825.99, POP_PER_SQ_MILE: 18.2},
2N/A        {ANSI: "33000", STATE: "NEW HAMPSHIRE", TOTAL_POP: 1324575, LAND_AREA: 8968.1, POP_PER_SQ_MILE: 137.8},
2N/A        {ANSI: "34000", STATE: "NEW JERSEY", TOTAL_POP: 8707739, LAND_AREA: 7417.34, POP_PER_SQ_MILE: 1134.5},
2N/A        {ANSI: "35000", STATE: "NEW MEXICO", TOTAL_POP: 2009671, LAND_AREA: 121355.53, POP_PER_SQ_MILE: 15},
        {ANSI: "36000", STATE: "NEW YORK", TOTAL_POP: 19541453, LAND_AREA: 47213.79, POP_PER_SQ_MILE: 401.9},
        {ANSI: "37000", STATE: "NORTH CAROLINA", TOTAL_POP: 9380884, LAND_AREA: 48710.88, POP_PER_SQ_MILE: 165.2},
        {ANSI: "38000", STATE: "NORTH DAKOTA", TOTAL_POP: 646844, LAND_AREA: 68975.93, POP_PER_SQ_MILE: 9.3},
        {ANSI: "39000", STATE: "OHIO", TOTAL_POP: 11542645, LAND_AREA: 40948.38, POP_PER_SQ_MILE: 277.3},
        {ANSI: "40000", STATE: "OKLAHOMA", TOTAL_POP: 3687050, LAND_AREA: 68667.06, POP_PER_SQ_MILE: 50.3},
        {ANSI: "41000", STATE: "OREGON", TOTAL_POP: 3825657, LAND_AREA: 95996.79, POP_PER_SQ_MILE: 35.6},
        {ANSI: "42000", STATE: "PENNSYLVANIA", TOTAL_POP: 12604767, LAND_AREA: 44816.61, POP_PER_SQ_MILE: 274},
        {ANSI: "44000", STATE: "RHODE ISLAND", TOTAL_POP: 1053209, LAND_AREA: 1044.93, POP_PER_SQ_MILE: 1003.2},
        {ANSI: "45000", STATE: "SOUTH CAROLINA", TOTAL_POP: 4561242, LAND_AREA: 30109.47, POP_PER_SQ_MILE: 133.2},
        {ANSI: "46000", STATE: "SOUTH DAKOTA", TOTAL_POP: 812383, LAND_AREA: 75884.64, POP_PER_SQ_MILE: 9.9},
        {ANSI: "47000", STATE: "TENNESSEE", TOTAL_POP: 6296254, LAND_AREA: 41217.12, POP_PER_SQ_MILE: 138},
        {ANSI: "48000", STATE: "TEXAS", TOTAL_POP: 24782302, LAND_AREA: 261797.12, POP_PER_SQ_MILE: 79.6},
        {ANSI: "49000", STATE: "UTAH", TOTAL_POP: 2784572, LAND_AREA: 82143.65, POP_PER_SQ_MILE: 27.2},
        {ANSI: "50000", STATE: "VERMONT", TOTAL_POP: 621760, LAND_AREA: 9249.56, POP_PER_SQ_MILE: 65.8},
        {ANSI: "51000", STATE: "VIRGINIA", TOTAL_POP: 7882590, LAND_AREA: 39594.07, POP_PER_SQ_MILE: 178.8},
        {ANSI: "53000", STATE: "WASHINGTON", TOTAL_POP: 6664195, LAND_AREA: 66544.06, POP_PER_SQ_MILE: 88.6},
        {ANSI: "54000", STATE: "WEST VIRGINIA", TOTAL_POP: 1819777, LAND_AREA: 24077.73, POP_PER_SQ_MILE: 75.1},
        {ANSI: "55000", STATE: "WISCONSIN", TOTAL_POP: 5654774, LAND_AREA: 54310.1, POP_PER_SQ_MILE: 98.8},
        {ANSI: "56000", STATE: "WYOMING", TOTAL_POP: 544270, LAND_AREA: 97100.4, POP_PER_SQ_MILE: 5.1   }
    ],
    TEMPLATE_TR = '<tr id="row_{ANSI}"><td>{STATE}</td><td>{TOTAL_POP}</td><td>{LAND_AREA}</td></tr>';

    // Create a Recordset instance.
    var recordset = new Y.Recordset({records:state_census_data.splice(0,5)});

    createRows(recordset);
    setUpEvents(recordset);
    setUpButtons(recordset);

    function setUpEvents(rs) {
        /*Edits the table based on Recordset events that are fired*/
        rs.after('add', function(e) {
            Y.one('#demo tbody').append(Y.Lang.sub(TEMPLATE_TR, e.added[0].getValue()));
        });

        rs.after('remove', function(e) {
            Y.one('#row_'+e.removed[0].getValue('ANSI')).remove();

            //add the object back to the data array so it can be added again later
            state_census_data.push(e.removed[0].getValue());
        });

        rs.after('empty', function(e) {
            Y.all('#demo tbody tr').remove();
        });

        rs.after('update', function(e) {
            var tr = Y.Lang.sub(TEMPLATE_TR, e.updated[0].getValue());
            Y.one('#row_'+e.overwritten[0].getValue('ANSI')).replace(Y.Node.create(tr));
        });
    }

    function setUpButtons(rs) {

        function getRandomInt(min, max)
        {
          return Math.floor(Math.random() * (max - min + 1)) + min;
        }

        Y.one('#addButton').on('click', function(e) {
            //prevent default behavior (stop link)
            e.preventDefault();

            //get a random state and add it to the Recordset
            var rand = getRandomInt(0, state_census_data.length-1);
            rs.add(state_census_data[rand]);

            //remove the state from the array so that it doesn't get added again later
            state_census_data.splice(rand,1);
        });

        Y.one('#removeButton').on('click', function(e) {
            e.preventDefault();
            if (rs.getLength() > 0) {
                rs.remove(0);
            }
        });

        Y.one('#emptyButton').on('click', function(e) {
            e.preventDefault();
            rs.empty();
        });

        Y.one('#updateButton').on('click', function(e) {
            var index = rs.getLength() - 2,
            newState = state_census_data[getRandomInt(0, state_census_data.length-1)];

            e.preventDefault;

            if (index >= 0) {
                rs.update(newState, index);
            }
        });
    }

    function createRows(rs) {
        var i=0,
        len = rs.getLength(),
        html = '';

        for (; i < len; i++) {
            html += Y.Lang.sub(TEMPLATE_TR, rs.getRecord(i).getValue());
        }
        Y.one('#demo tbody').append(html);
    }
});
</script>