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 Licensed to the Apache Software Foundation (ASF) under one
 or more contributor license agreements.  See the NOTICE file
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 regarding copyright ownership.  The ASF licenses this file
 to you under the Apache License, Version 2.0 (the
 "License"); you may not use this file except in compliance
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   http://www.apache.org/licenses/LICENSE-2.0

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<html>
  <head>
    <meta name="viewport" content="width=device-width,height=device-height,user-scalable=no,maximum-scale=1.0,initial-scale=1.0" />
    <meta http-equiv="Content-type" content="text/html; charset=utf-8"> <!-- ISO-8859-1 -->
    <title>Cordova Mobile Spec</title>
    <link rel="stylesheet" href="../master.css" type="text/css" media="screen" title="no title" charset="utf-8">
    <script type="text/javascript" charset="utf-8" src="../cordova-incl.js"></script>      

      
<script type="text/javascript" charset="utf-8">

    //-------------------------------------------------------------------------
    // HTML5 Database
    //-------------------------------------------------------------------------
    var dbs = [];
    var quotas = [2000000, 2000000];
    var names = ['mydb', 'rand' + Math.random()];
    function openDb(index) {
        try {
            databaseOutput('Openning db with name: ' + names[index]);
            return openDatabase(names[index], "1.0", "Apache Cordova Demo", quotas[index]);
        } catch (e) {
            databaseOutput('Got exception: ' + e);
        }
    }

    var callDatabase = function(index) {
        var db = dbs[index] = openDb(index);
        if (!db) {
            return;
        }
        databaseOutput("Database opened.");
        db.transaction(function (tx) {
            tx.executeSql('DROP TABLE IF EXISTS DEMO');
            tx.executeSql('CREATE TABLE IF NOT EXISTS DEMO (id unique, data)', [],
                 function(tx,results) { console.log("Created table"); },
                 function(tx,err) { alert("Error creating table: "+err.message); });
            tx.executeSql('INSERT INTO DEMO (id, data) VALUES (1, "First row")', [],
                 function(tx,results) { console.log("Insert row1 success"); },
                 function(tx,err) { alert("Error adding 1st row: "+err.message); });
            tx.executeSql('INSERT INTO DEMO (id, data) VALUES (2, "Second row")', [],
                 function(tx,results) { console.log("Insert row2 success"); },
                 function(tx,err) { alert("Error adding 2nd row: "+err.message); });
            databaseOutput("Data written to DEMO table.");
            console.log("Data written to DEMO table.");

            tx.executeSql('SELECT * FROM DEMO', [], function (tx, results) {
                var len = results.rows.length;
                var text = "DEMO table: " + len + " rows found.<br>";
                text = text + "<table border='1'><tr><td>Row</td><td>Data</td></tr>";
                for (var i=0; i<len; i++){
                    text = text + "<tr><td>" + i + "</td><td>" + results.rows.item(i).id + ", " + results.rows.item(i).data + "</td></tr>";
                }
                text = text + "</table>";
                databaseOutput(text);
            }, function(tx, err) {
                alert("Error processing SELECT * SQL: "+err.message);
            });
            tx.executeSql('SELECT ID FROM DEMO', [], function (tx, results) {
                var len = results.rows.length;
                var text = "DEMO table: " + len + " rows found.<br>";
                text = text + "<table border='1'><tr><td>Row</td><td>Data</td></tr>";
                for (var i=0; i<len; i++){
                    text = text + "<tr><td>" + i + "</td><td>" + results.rows.item(i).id + "</td></tr>";
                }
                text = text + "</table>";
                databaseOutput(text);
            }, function(tx, err) {
                alert("Error processing SELECT ID SQL: "+err.message);
            });
            
        },
        function(err) {
            console.log("Transaction failed: " + err.message);
        });


    };

    var readDatabase = function(index) {
        var db = dbs[index];
    	if (!db) {
            db = dbs[index] = openDb(index);
            if (!db) {
                return;
            }
        }
        db.transaction(function (tx) {
            tx.executeSql('SELECT * FROM DEMO WHERE id=2', [], function (tx, results) {
                var len = results.rows.length;
                var text = "DEMO table: " + len + " rows found.<br>";
                text = text + "<table border='1'><tr><td>Row</td><td>Data</td></tr>";
                for (var i=0; i<len; i++){
                    text = text + "<tr><td>" + i + "</td><td>" + results.rows.item(i).id + ", " + results.rows.item(i).data + "</td></tr>";
                }
                text = text + "</table>";
                databaseOutput(text);
            }, function(tx, err) {
                alert("Error processing SELECT * WHERE id=2 SQL: "+err.message);
            });
        });
    }

    function increaseQuota(index) {
        quotas[index] *= 2;
        databaseOutput('quota ' + index + ' is now ' + quotas[index]);
    }

    var databaseOutput = function(s) {
        var el = document.getElementById("database_results");
        el.innerHTML = el.innerHTML + s + "<br>";
        el.scrollByLines(20000);
    };
    
    /**
     * Function called when page has finished loading.
     */
    function init() {
        document.addEventListener("deviceready", function() {
            console.log("Device="+device.platform+" "+device.version);
        }, false);
    }

</script>

  </head>
  <body onload="init();" id="stage" class="theme">
  
    <h1>HTML5 Database</h1>   
    <div id="info">
        <b>Results:</b><br>
        <span id="database_results"></span>
    </div>
    <h2>Action</h2>
    <div class="btn large" onclick="callDatabase(0);">Create, Add, Read Database (Constant name)</div>
    <div class="btn large" onclick="readDatabase(0);">Read Database (Constant name)</div>
    <div class="btn large" onclick="increaseQuota(0);">Increase Quota (Constant name)</div>
    <div class="btn large" onclick="callDatabase(1);">Create, Add, Read Database (Random Name)</div>
    <div class="btn large" onclick="readDatabase(1);">Read Database (Random Name)</div>
    <div class="btn large" onclick="increaseQuota(1);">Increase Quota (Random Name)</div>
    <div class="btn large" onclick="location = location.href">Reload Page</div>
    <h2> </h2><div class="backBtn" onclick="backHome();">Back</div>    
  </body>
</html>