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/** This file is part of VideoFeed**
*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).*
*
* Contact: Qt Software Information (qt-info@nokia.com)**
*
* Commercial Usage
* Licensees holding valid Qt Commercial licenses may use this file in
* accordance with the Qt Commercial License Agreement provided with the
* Software or, alternatively, in accordance with the terms contained in
* a written agreement between you and Nokia.
*
* GNU Lesser General Public License Usage
* Alternatively, this file may be used under the terms of the
* GNU Lesser General Public License version 2.1 only as published by the
* Free Software Foundation and appearing in the file LICENSE.LGPL included
* in the packaging of this file. Please review the following information
* to ensure the GNU Lesser General Public License version 2.1 requirements
* will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
*
* GNU General Public License Usage
* Alternatively, this file may be used under the terms of the
* GNU General Public License version 3.0 as published by the Free Software
* Foundation and appearing in the file LICENSE.GPL included in the
* packaging of this file. Please review the following information to ensure
* the GNU General Public License version 3.0 requirements will be
* met: http://www.gnu.org/copyleft/gpl.html.
*
* If you are unsure which license is appropriate for your use, please contact
* the sales department at qt-sales@nokia.com.
*/
function Settings(name) {
this.data = [];
this.db = openDatabase(name, "1.0", name + " Settings", 200000);
this.db.transaction(function (tx) {
tx.executeSql("CREATE TABLE IF NOT EXISTS Settings(key TEXT UNIQUE, value TEXT)", []);
});
var self = this;
this.db.transaction(function (tx) {
tx.executeSql("SELECT key, value FROM Settings", [],
function(tx, result) { self.processResult(tx, result); },
function() { self.readError(tx, error); });
});
return this;
}
Settings.prototype = {
onready : function(data) {
},
processResult : function(tx, result) {
this.data = [];
for (var i = 0; i < result.rows.length; i++) {
var row = result.rows.item(i);
this.data[row['key']] = row['value'];
}
this.onready(this.data);
},
readError : function(tx, error) {
alert('Failed to read database : ' + error.message);
}
};
Settings.prototype.value = function(key) {
return this.data[key];
}
Settings.prototype.setValue = function(key, value) {
this.data[key] = value;
}
Settings.prototype.remove = function(key) {
delete this.data[key];
}
Settings.prototype.removeAll = function() {
this.data = [];
}
Settings.prototype.clearDatabase = function() {
this.db.transaction(function (tx) {
tx.executeSql("DELETE FROM Settings", []);
});
}
Settings.prototype.insert = function(key, value) {
alert(key + ' ' + value);
}
Settings.prototype.commit = function() {
this.clearDatabase();
var self = this;
this.db.transaction(function (tx) {
for (var key in self.data)
tx.executeSql("INSERT INTO Settings (key, value) VALUES (?, ?)", [key, self.data[key]]);
});
}
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