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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/
//! [0]
point = new Object();
point.x = 12;
point.y = 35;
//! [0]
//! [1]
function manhattanLength(point) {
return point.x + point.y;
}
//! [1]
//! [2]
manhattanLength = function(point) {
return point.x + point.y;
}
//! [2]
//! [3]
point.manhattanLength = function() {
return this.x + this.y;
}
print(point.manhattanLength()); // prints 47
//! [3]
//! [4]
class Point() {
var x;
var y;
function manhattanLength() { return x + y; }
}
//! [4]
//! [5]
point.manhattanLength = function() {
return this.x + this.y;
}
print(point.manhattanLength()); // prints 47
//! [5]
//! [6]
class Car {
var regNumber;
function Car(regnr) {
regNumber = regnr;
}
}
var car = new Car("ABC 123");
//! [6]
//! [7]
function Car(regnr) {
this.regNumber = regnr;
}
var car = new Car("ABC 123");
//! [7]
//! [8]
var car = new Object();
car.constructor = function(regnr) { ... }
car.constructor();
//! [8]
//! [9]
class Car {
var regNumber;
function Car(regnr) {
regNumber = regnr;
}
function toString() {
return regNumber;
}
}
//! [9]
//! [10]
function Car(regnr) {
this.regNumber = regnr;
this.toString = function() { return this.regNumber; }
}
//! [10]
//! [11]
function Car(regnr) {
this.regNumber = regnr;
}
Car.prototype.toString = function() { return this.regNumber; }
//! [11]
//! [12]
class GasolineCar extends Car {
function GasolineCar(regnr) {
Car(regnr);
}
function toString() {
return "GasolineCar(" + regNumber + ")";
}
}
//! [12]
//! [13]
function GasolineCar(regnr) {
Car(regnr);
}
GasolineCar.prototype = new Car();
GasolineCar.prototype.toString = function() {
return "GasolineCar(" + this.regNumber + ")";
}
//! [13]
//! [14]
class Car {
static var globalCount = 0;
}
print(Car.globalCount);
//! [14]
//! [15]
Car.globalCount = 0;
print(Car.globalCount);
//! [15]
//! [16]
QPushButton *button = new QPushButton();
button->setObjectName("button");
interpreter->addTransientObject(button);
//! [16]
//! [17]
QPushButton *button = new QPushButton();
QScriptValue scriptButton = engine.newQObject(button);
engine.globalObject().setProperty("button", scriptButton);
//! [17]
//! [18]
ModuleFactory::ModuleFactory()
{
registerClass( "ImageSource", &ImgSource::staticMetaObject);
...
}
QObject *ModuleFactory::create( const QString &type,
const QVariantList &,
QObject * )
{
if ( type == "ImageSource" )
return new ImgSource();
...
}
...
interpreter.addObjectFactory(new ModuleFactory());
//! [18]
//! [19]
QScriptValue construct_QPushButton(QScriptContext *, QScriptEngine *engine) {
return engine->newQObject(new QPushButton());
}
...
QScriptValue constructor = engine.newFunction(construct_QPushButton);
QScriptValue value =
engine.newQMetaObject(&QPushButton::staticMetaObject,
constructor);
engine.globalObject().setProperty("QPushButton", value);
//! [19]
|
