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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** 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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "bindingproperty.h"
#include "nodeabstractproperty.h"
#include "nodeproperty.h"
#include "internalproperty.h"
#include "internalbindingproperty.h"
#include "invalidmodelnodeexception.h"
#include "invalidpropertyexception.h"
#include "invalidargumentexception.h"
#include "internalnode_p.h"
#include "model.h"
#include "model_p.h"
namespace QmlDesigner {
BindingProperty::BindingProperty()
{
}
BindingProperty::BindingProperty(const BindingProperty &property, AbstractView *view)
: AbstractProperty(property.name(), property.internalNode(), property.model(), view)
{
}
BindingProperty::BindingProperty(const QString &propertyName, const Internal::InternalNodePointer &internalNode, Model* model, AbstractView *view)
: AbstractProperty(propertyName, internalNode, model, view)
{
}
void BindingProperty::setExpression(const QString &expression)
{
Internal::WriteLocker locker(model());
if (!isValid())
throw InvalidModelNodeException(__LINE__, __FUNCTION__, __FILE__);
if (name() == "id") { // the ID for a node is independent of the state, so it has to be set with ModelNode::setId
throw InvalidPropertyException(__LINE__, __FUNCTION__, __FILE__, name());
}
if (expression.isEmpty())
throw InvalidArgumentException(__LINE__, __FUNCTION__, __FILE__, name());
if (internalNode()->hasProperty(name())) { //check if oldValue != value
Internal::InternalProperty::Pointer internalProperty = internalNode()->property(name());
if (internalProperty->isBindingProperty()
&& internalProperty->toBindingProperty()->expression() == expression)
return;
}
if (internalNode()->hasProperty(name()) && !internalNode()->property(name())->isBindingProperty())
model()->m_d->removeProperty(internalNode()->property(name()));
model()->m_d->setBindingProperty(internalNode(), name(), expression);
}
QString BindingProperty::expression() const
{
if (internalNode()->hasProperty(name())
&& internalNode()->property(name())->isBindingProperty())
return internalNode()->bindingProperty(name())->expression();
return QString();
}
BindingProperty& BindingProperty::operator= (const QString &expression)
{
setExpression(expression);
return *this;
}
static ModelNode resolveBinding(const QString &binding, ModelNode currentNode, AbstractView* view)
{
int i = 0;
QString element = binding.split(QLatin1Char('.')).at(0);
while (!element.isEmpty())
{
if (element == "parent") {
if (currentNode.hasParentProperty())
currentNode = currentNode.parentProperty().toNodeAbstractProperty().parentModelNode();
else
return ModelNode(); //binding not valid
} else if (currentNode.hasProperty(element)) {
if (currentNode.property(element).isNodeProperty())
currentNode = currentNode.nodeProperty(element).modelNode();
else
return ModelNode(); //binding not valid
} else {
currentNode = view->modelNodeForId(element); //id
}
i++;
if (i < binding.split(QLatin1Char('.')).count())
element = binding.split(QLatin1Char('.')).at(i);
else
element.clear();
}
return currentNode;
}
ModelNode BindingProperty::resolveToModelNode() const
{
if (!isValid())
throw InvalidModelNodeException(__LINE__, __FUNCTION__, __FILE__);
return resolveBinding(expression(), parentModelNode(), view());
}
static inline QStringList commaSeparatedSimplifiedStringList(const QString &string)
{
QStringList stringList = string.split(QLatin1String(","));
QStringList simpleList;
foreach (const QString &simpleString, stringList)
simpleList.append(simpleString.simplified());
return simpleList;
}
AbstractProperty BindingProperty::resolveToProperty() const
{
if (!isValid())
throw InvalidModelNodeException(__LINE__, __FUNCTION__, __FILE__);
QString binding = expression();
ModelNode node = parentModelNode();
QString element;
if (binding.contains(QLatin1Char('.'))) {
element = binding.split(QLatin1Char('.')).last();
QString nodeBinding = binding;
nodeBinding.chop(element.length());
node = resolveBinding(nodeBinding, parentModelNode(), view());
} else {
element = binding;
}
if (node.isValid())
return node.property(element);
else
return AbstractProperty();
}
bool BindingProperty::isList() const
{
if (!isValid())
throw InvalidModelNodeException(__LINE__, __FUNCTION__, __FILE__);
return expression().startsWith('[') && expression().endsWith(']');
}
QList<ModelNode> BindingProperty::resolveToModelNodeList() const
{
QList<ModelNode> returnList;
if (!isValid())
throw InvalidModelNodeException(__LINE__, __FUNCTION__, __FILE__);
if (isList()) {
QString string = expression();
string.chop(1);
string.remove(0, 1);
QStringList simplifiedList = commaSeparatedSimplifiedStringList(string);
foreach (const QString &nodeId, simplifiedList) {
ModelNode modelNode = view()->modelNodeForId(nodeId);
if (modelNode.isValid())
returnList.append(modelNode);
}
}
return returnList;
}
void BindingProperty::setDynamicTypeNameAndExpression(const QString &typeName, const QString &expression)
{
Internal::WriteLocker locker(model());
if (!isValid())
throw InvalidModelNodeException(__LINE__, __FUNCTION__, __FILE__);
if (name() == "id") { // the ID for a node is independent of the state, so it has to be set with ModelNode::setId
throw InvalidPropertyException(__LINE__, __FUNCTION__, __FILE__, name());
}
if (expression.isEmpty())
throw InvalidArgumentException(__LINE__, __FUNCTION__, __FILE__, name());
if (typeName.isEmpty()) {
throw InvalidArgumentException(__LINE__, __FUNCTION__, __FILE__, name());
}
if (internalNode()->hasProperty(name())) { //check if oldValue != value
Internal::InternalProperty::Pointer internalProperty = internalNode()->property(name());
if (internalProperty->isBindingProperty()
&& internalProperty->toBindingProperty()->expression() == expression
&& internalProperty->toBindingProperty()->dynamicTypeName() == typeName)
return;
}
if (internalNode()->hasProperty(name()) && !internalNode()->property(name())->isBindingProperty())
model()->m_d->removeProperty(internalNode()->property(name()));
model()->m_d->setDynamicBindingProperty(internalNode(), name(), typeName, expression);
}
BindingProperty& BindingProperty::operator= (const QPair<QString, QString> &typeExpressionPair)
{
setDynamicTypeNameAndExpression(typeExpressionPair.first, typeExpressionPair.second);
return *this;
}
} // namespace QmlDesigner
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