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Diffstat (limited to 'src/declarative/qml/qmlbindablecomponent.cpp')
| -rw-r--r-- | src/declarative/qml/qmlbindablecomponent.cpp | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/declarative/qml/qmlbindablecomponent.cpp b/src/declarative/qml/qmlbindablecomponent.cpp new file mode 100644 index 0000000..ed9924a --- /dev/null +++ b/src/declarative/qml/qmlbindablecomponent.cpp @@ -0,0 +1,104 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qmlbindablecomponent.h" +#include "qmlbindablecomponent_p.h" +#include "qmlcomponent.h" + +QT_BEGIN_NAMESPACE +QmlBindableComponent::QmlBindableComponent(QmlEngine *engine, QObject *parent) + : QmlComponent(*(new QmlBindableComponentPrivate), parent) +{ + Q_D(QmlBindableComponent); + d->engine = engine; + connect(this, SIGNAL(statusChanged(QmlComponent::Status)), + this, SLOT(statusChange(QmlComponent::Status))); +} + +QmlBindableComponent::QmlBindableComponent(QmlEngine *engine, const QUrl &url, QObject *parent) + : QmlComponent(*(new QmlBindableComponentPrivate), parent) +{ + Q_D(QmlBindableComponent); + d->engine = engine; + loadUrl(url); + connect(this, SIGNAL(statusChanged(QmlComponent::Status)), + this, SLOT(statusChange(QmlComponent::Status))); +} + +void QmlBindableComponent::setContext(QmlContext* c) +{ + Q_D(QmlBindableComponent); + d->ctxt =c; +} +/*! + Create a script object instance from this component. Returns a null + script object if creation failed. It will create the instance in the + same context that it was created it. QmlBindableComponent is only + meant to be created from with script - C++ developers should just use + QmlComponent directly. + + Similar to QmlComponent::create(), but creates an object suitable + for usage within scripts. +*/ +QScriptValue QmlBindableComponent::createObject() +{ + Q_D(QmlBindableComponent); + QObject* ret = create(d->ctxt); + return QmlEngine::qmlScriptObject(ret, d->engine); +} + +void QmlBindableComponent::statusChange(QmlComponent::Status newStatus) +{ + Q_D(QmlBindableComponent); + if(newStatus == d->prevStatus) + return; + if(newStatus == QmlComponent::Null || d->prevStatus == QmlComponent::Null) + emit isNullChanged(); + if(newStatus == QmlComponent::Ready || d->prevStatus == QmlComponent::Ready) + emit isReadyChanged(); + if(newStatus == QmlComponent::Loading || d->prevStatus == QmlComponent::Loading) + emit isLoadingChanged(); + if(newStatus == QmlComponent::Error || d->prevStatus == QmlComponent::Error) + emit isErrorChanged(); + d->prevStatus = newStatus; +} + +QT_END_NAMESPACE |