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Diffstat (limited to 'examples/demos/snake/content/HighScoreModel.qml')
-rw-r--r-- | examples/demos/snake/content/HighScoreModel.qml | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/examples/demos/snake/content/HighScoreModel.qml b/examples/demos/snake/content/HighScoreModel.qml deleted file mode 100644 index 734a661f5b..0000000000 --- a/examples/demos/snake/content/HighScoreModel.qml +++ /dev/null @@ -1,140 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the QtQml module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 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. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** 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. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -import QtQuick 2.0 -import QtQuick.LocalStorage 2.0 as Sql - -// Models a high score table. -// -// Use this component like this: -// -// HighScoreModel { -// id: highScores -// game: "MyCoolGame" -// } -// -// Then use either use the top-score properties: -// -// Text { text: "HI: " + highScores.topScore } -// -// or, use the model in a view: -// -// ListView { -// model: highScore -// delegate: Component { -// ... player ... score ... -// } -// } -// -// Add new scores via: -// -// saveScore(newScore) -// -// or: -// -// savePlayerScore(playerName,newScore) -// -// The best maxScore scores added by this method will be retained in an SQL database, -// and presented in the model and in the topScore/topPlayer properties. -// - -ListModel { - id: model - property string game: "" - property int topScore: 0 - property string topPlayer: "" - property int maxScores: 10 - - function __db() - { - return Sql.openDatabaseSync("HighScoreModel", "1.0", "Generic High Score Functionality for QML", 1000000); - } - function __ensureTables(tx) - { - tx.executeSql('CREATE TABLE IF NOT EXISTS HighScores(game TEXT, score INT, player TEXT)', []); - } - - function fillModel() { - __db().transaction( - function(tx) { - __ensureTables(tx); - var rs = tx.executeSql("SELECT score,player FROM HighScores WHERE game=? ORDER BY score DESC", [game]); - model.clear(); - if (rs.rows.length > 0) { - topScore = rs.rows.item(0).score - topPlayer = rs.rows.item(0).player - for (var i=0; i<rs.rows.length; ++i) { - if (i < maxScores) - model.append(rs.rows.item(i)) - } - if (rs.rows.length > maxScores) - tx.executeSql("DELETE FROM HighScores WHERE game=? AND score <= ?", - [game, rs.rows.item(maxScores).score]); - } - } - ) - } - - function savePlayerScore(player,score) { - __db().transaction( - function(tx) { - __ensureTables(tx); - tx.executeSql("INSERT INTO HighScores VALUES(?,?,?)", [game,score,player]); - fillModel(); - } - ) - } - - function saveScore(score) { - savePlayerScore("player",score); - } - - function clearScores() { - __db().transaction( - function(tx) { - tx.executeSql("DELETE FROM HighScores WHERE game=?", [game]); - fillModel(); - } - ) - } - - Component.onCompleted: { fillModel() } -} |