summaryrefslogtreecommitdiff
path: root/src/plugins/qmldesigner/core/model/bindingproperty.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/plugins/qmldesigner/core/model/bindingproperty.cpp')
-rw-r--r--src/plugins/qmldesigner/core/model/bindingproperty.cpp200
1 files changed, 200 insertions, 0 deletions
diff --git a/src/plugins/qmldesigner/core/model/bindingproperty.cpp b/src/plugins/qmldesigner/core/model/bindingproperty.cpp
new file mode 100644
index 0000000000..b258bb2cdd
--- /dev/null
+++ b/src/plugins/qmldesigner/core/model/bindingproperty.cpp
@@ -0,0 +1,200 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (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 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#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)
+{
+ 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(".").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(".").count())
+ element = binding.split(".").at(i);
+ else
+ element = "";
+ }
+ return currentNode;
+
+}
+
+ModelNode BindingProperty::resolveToModelNode() const
+{
+ if (!isValid())
+ throw InvalidModelNodeException(__LINE__, __FUNCTION__, __FILE__);
+
+ return resolveBinding(expression(), parentModelNode(), view());
+}
+
+AbstractProperty BindingProperty::resolveToProperty() const
+{
+ if (!isValid())
+ throw InvalidModelNodeException(__LINE__, __FUNCTION__, __FILE__);
+
+ QString binding = expression();
+ ModelNode node = parentModelNode();
+ QString element;
+ if (binding.contains(".")) {
+ element = binding.split(".").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();
+}
+
+void BindingProperty::setDynamicTypeNameAndExpression(const QString &typeName, const QString &expression)
+
+{
+ 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