ui: graphView

Graph view has now toggle-able subnodes. Subnodes connected to the active node are always visible.

fortune cookie message = You will enjoy true success in whatever you do.

bin/app/data/src/header.h

@@ -1,8 +1,10 @@
+/*
 #include <string>
 #include <vector>
 #include <map>
 #include <memory>
 #include <functional>
+/* */
 
 const bool *abd(int abc, int bca);
 
@@ -117,6 +119,25 @@ namespace
 	};
 }
 
+noname::V voo;
+
 typedef A* D;
 
 D globalD;
+
+class E
+{
+public:
+	E(){}
+	~E(){}
+
+	class SubE
+	{
+	public:
+		SubE(){}
+		~SubE(){}
+	};
+	
+private:
+	int m_importantInt;
+};

src/app/CMakeLists.txt

@@ -22,12 +22,17 @@ add_files(
 	qt/utility/utilityQt.cpp
 	qt/utility/utilityQt.h
 
+	qt/view/graphElements/nodeComponents/QtGraphNodeComponent.cpp
+	qt/view/graphElements/nodeComponents/QtGraphNodeComponent.h
+	qt/view/graphElements/nodeComponents/QtGraphNodeComponentMoveable.cpp
+	qt/view/graphElements/nodeComponents/QtGraphNodeComponentMoveable.h
+	qt/view/graphElements/nodeComponents/QtGraphNodeComponentToggleButton.cpp
+	qt/view/graphElements/nodeComponents/QtGraphNodeComponentToggleButton.h
+	
 	qt/view/graphElements/QtGraphEdge.cpp
 	qt/view/graphElements/QtGraphEdge.h
 	qt/view/graphElements/QtGraphNode.cpp
 	qt/view/graphElements/QtGraphNode.h
-	qt/view/graphElements/QtGraphNodeMouseMovable.cpp
-	qt/view/graphElements/QtGraphNodeMouseMovable.h
 
 	qt/view/QtCodeView.cpp
 	qt/view/QtCodeView.h

src/app/qt/view/QtGraphView.cpp

@@ -10,7 +10,8 @@
 #include "qt/view/QtViewWidgetWrapper.h"
 #include "qt/view/graphElements/QtGraphEdge.h"
 #include "qt/view/graphElements/QtGraphNode.h"
-#include "qt/view/graphElements/QtGraphNodeMouseMovable.h"
+#include "qt/view/graphElements/nodeComponents/QtGraphNodeComponentMoveable.h"
+#include "qt/view/graphElements/nodeComponents/QtGraphNodeComponentToggleButton.h"
 
 QtGraphView::QtGraphView(ViewLayout* viewLayout)
 	: GraphView(viewLayout)
@@ -108,6 +109,12 @@ void QtGraphView::doRebuildGraph(const std::vector<DummyNode>& nodes, const std:
 				m_edges.push_back(edge);
 			}
 		}
+
+		// hide node content by default, must be done after all edges are created to keep subnodes with connections visible
+		for(std::list<std::shared_ptr<GraphNode>>::iterator it = m_nodes.begin(); it != m_nodes.end(); it++)
+		{
+			(*it)->hideContent();
+		}
 	}
 	else
 	{
@@ -183,21 +190,24 @@ std::shared_ptr<GraphNode> QtGraphView::createNode(QGraphicsView* view, const Du
 {
 	if (view != NULL)
 	{
-		std::shared_ptr<QtGraphNodeMouseMovable> newNode =
-			std::make_shared<QtGraphNodeMouseMovable>(Vec2i(0, 0), node.name, node.tokenId);
+		std::shared_ptr<QtGraphNode> newNode =
+			std::make_shared<QtGraphNode>(Vec2i(0, 0), Vec2i(100, 30), node.name, node.tokenId);
 		view->scene()->addItem(newNode.get());
 		m_nodes.push_back(newNode);
 
-		for (unsigned int i = 0; i < node.subNodes.size(); i++)
-		{
-			std::shared_ptr<QtGraphNode> subNode = createSubNode(view, node.subNodes[i]);
-			subNode->setParentItem(newNode.get());
-			newNode->addSubNode(subNode);
-			subNode->setRect(0, 0, 80, 20);
-			subNode->moveBy(10, (i + 1) * 30);
-		}
+		newNode->addComponent(std::make_shared<QtGraphNodeComponentMoveable>(newNode));
 
-		newNode->setRect(0, 0, 100, 40 + (node.subNodes.size() * 30));
+		if(node.subNodes.size() > 0)
+		{
+			newNode->addComponent(std::make_shared<QtGraphNodeComponentToggleButton>(newNode));
+
+			for (unsigned int i = 0; i < node.subNodes.size(); i++)
+			{
+				std::shared_ptr<QtGraphNode> subNode = createSubNode(view, node.subNodes[i]);
+				subNode->setParent(newNode);
+				newNode->addSubNode(subNode);
+			}
+		}
 
 		return newNode;
 	}
@@ -212,16 +222,21 @@ std::shared_ptr<QtGraphNode> QtGraphView::createSubNode(QGraphicsView* view, con
 {
 	if (view != NULL)
 	{
-		std::shared_ptr<QtGraphNode> newNode = std::make_shared<QtGraphNode>(Vec2i(0, 0), node.name, node.tokenId);
+		std::shared_ptr<QtGraphNode> newNode = std::make_shared<QtGraphNode>(Vec2i(0, 0), Vec2i(80, 20), node.name, node.tokenId);
 		view->scene()->addItem(newNode.get());
 
-		for (unsigned int i = 0; i < node.subNodes.size(); i++)
+		if(node.subNodes.size() > 0)
 		{
-			std::shared_ptr<QtGraphNode> subNode = createSubNode(view, node.subNodes[i]);
-			subNode->setParentItem(newNode.get());
-			newNode->addSubNode(subNode);
-			subNode->setRect(0, 0, 80, 20);
-			subNode->moveBy(10, (i + 1) * 30);
+			newNode->addComponent(std::make_shared<QtGraphNodeComponentToggleButton>(newNode));
+
+			for (unsigned int i = 0; i < node.subNodes.size(); i++)
+			{
+				std::shared_ptr<QtGraphNode> subNode = createSubNode(view, node.subNodes[i]);
+				
+				subNode->setParent(newNode);
+
+				newNode->addSubNode(subNode);
+			}
 		}
 
 		return newNode;

src/app/qt/view/graphElements/QtGraphNode.cpp

@@ -6,11 +6,16 @@
 #include <QGraphicsSceneEvent>
 
 #include "qt/view/graphElements/QtGraphEdge.h"
+#include "qt/view/graphElements/nodeComponents/QtGraphNodeComponent.h"
 
-QtGraphNode::QtGraphNode(const Vec2i& position, const std::string& name, const Id tokenId)
+QtGraphNode::QtGraphNode(const Vec2i& position, const Vec2i& size, const std::string& name, const Id tokenId)
 	: GraphNode(tokenId)
+	, m_baseSize(size)
+	, m_currentSize(size)
+	, m_padding(10, 10)
+	, m_contentHidden(false)
 {
-	this->setRect(0, 0, 100, 100);
+	this->setRect(0, 0, size.x, size.y);
 	this->setPos(position.x, position.y);
 	QBrush brush(Qt::lightGray);
 	this->setBrush(brush);
@@ -56,6 +61,27 @@ void QtGraphNode::setPosition(const Vec2i& position)
 	}
 }
 
+Vec2i QtGraphNode::getSize() const
+{
+	return m_currentSize;
+}
+
+void QtGraphNode::setParent(std::weak_ptr<QtGraphNode> parentNode)
+{
+	m_parentNode = parentNode;
+
+	std::shared_ptr<QtGraphNode> parent = parentNode.lock();
+	if(parent != NULL)
+	{
+		QGraphicsRectItem::setParentItem(parent.get());
+	}
+}
+
+void QtGraphNode::addComponent(const std::shared_ptr<QtGraphNodeComponent>& component)
+{
+	m_components.push_back(component);
+}
+
 bool QtGraphNode::addOutEdge(const std::shared_ptr<GraphEdge>& edge)
 {
 	for (std::list<std::shared_ptr<GraphEdge>>::iterator it = m_outEdges.begin(); it != m_outEdges.end(); it++)
@@ -113,12 +139,35 @@ std::list<std::shared_ptr<GraphNode>> QtGraphNode::getSubNodes() const
 void QtGraphNode::addSubNode(const std::shared_ptr<GraphNode>& node)
 {
 	m_subNodes.push_back(node);
+
+	rebuildLayout();
+}
+
+void QtGraphNode::mousePressEvent(QGraphicsSceneMouseEvent* event)
+{
+	for (std::list<std::shared_ptr<QtGraphNodeComponent>>::iterator it = m_components.begin(); it != m_components.end(); it++)
+	{
+		(*it)->nodeMousePressEvent(event);
+	}
+}
+
+void QtGraphNode::mouseMoveEvent(QGraphicsSceneMouseEvent* event)
+{
+	for (std::list<std::shared_ptr<QtGraphNodeComponent>>::iterator it = m_components.begin(); it != m_components.end(); it++)
+	{
+		(*it)->nodeMouseMoveEvent(event);
+	}
 }
 
 void QtGraphNode::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event)
 {
 	MessageActivateToken message(m_tokenId);
 	message.dispatch();
+
+	for (std::list<std::shared_ptr<QtGraphNodeComponent>>::iterator it = m_components.begin(); it != m_components.end(); it++)
+	{
+		(*it)->nodeMouseDoubleClickEvent(event);
+	}
 }
 
 void QtGraphNode::notifyParentMoved()
@@ -126,6 +175,83 @@ void QtGraphNode::notifyParentMoved()
 	notifyEdgesAfterMove();
 }
 
+void QtGraphNode::hideContent()
+{
+	for (std::list<std::shared_ptr<GraphNode>>::iterator it = m_subNodes.begin(); it != m_subNodes.end(); it++)
+	{
+		(*it)->hideContent();
+
+		if((*it)->getEdgeCountRecursive() <= 0)
+		{
+			(*it)->hide();
+		}
+	}
+
+	m_contentHidden = true;
+
+	rebuildLayout();
+
+	notifyParentNodeAfterSizeChanged();
+}
+
+void QtGraphNode::showContent()
+{
+	for (std::list<std::shared_ptr<GraphNode>>::iterator it = m_subNodes.begin(); it != m_subNodes.end(); it++)
+	{
+		(*it)->show();
+	}
+
+	m_contentHidden = false;
+
+	rebuildLayout();
+
+	notifyParentNodeAfterSizeChanged();
+}
+
+void QtGraphNode::hide()
+{
+	QGraphicsRectItem::hide();
+}
+
+void QtGraphNode::show()
+{
+	QGraphicsRectItem::show();
+}
+
+bool QtGraphNode::isHidden()
+{
+	return !QGraphicsRectItem::isVisible();
+}
+
+bool QtGraphNode::contentIsHidden()
+{
+	return m_contentHidden;
+}
+
+unsigned int QtGraphNode::getOutEdgeCount() const
+{
+	return m_outEdges.size();
+}
+
+unsigned int QtGraphNode::getInEdgeCount() const
+{
+	return m_inEdges.size();
+}
+
+unsigned int QtGraphNode::getEdgeCountRecursive() const
+{
+	unsigned int result = 0;
+
+	for (std::list<std::shared_ptr<GraphNode>>::const_iterator it = m_subNodes.begin(); it != m_subNodes.end(); it++)
+	{
+		result += (*it)->getEdgeCountRecursive();
+	}
+
+	result += (getInEdgeCount() + getOutEdgeCount());
+
+	return result;
+}
+
 void QtGraphNode::notifyEdgesAfterMove()
 {
 	for (std::list<std::shared_ptr<GraphEdge>>::iterator it = m_outEdges.begin(); it != m_outEdges.end(); it++)
@@ -153,3 +279,47 @@ void QtGraphNode::notifyEdgesAfterMove()
 		(*it3)->notifyParentMoved();
 	}
 }
+
+void QtGraphNode::notifyParentNodeAfterSizeChanged()
+{
+	std::shared_ptr<QtGraphNode> parentNode = m_parentNode.lock();
+
+	if(parentNode != NULL)
+	{
+		parentNode->onChildSizeChanged();
+	}
+}
+
+void QtGraphNode::onChildSizeChanged()
+{
+	rebuildLayout();
+
+	notifyParentNodeAfterSizeChanged();
+}
+
+void QtGraphNode::rebuildLayout()
+{
+	int nextYPos = m_baseSize.y;
+	int newWidth = m_baseSize.x;
+
+	for (std::list<std::shared_ptr<GraphNode>>::iterator it = m_subNodes.begin(); it != m_subNodes.end(); it++)
+	{
+		if((*it)->isHidden() == false)
+		{
+			(*it)->setPosition(this->getPosition() + Vec2i(m_padding.x, nextYPos));
+			nextYPos += (*it)->getSize().y + m_padding.y;
+
+			int tmpWidth = ((*it)->getPosition().x - getPosition().x) + (*it)->getSize().x + m_padding.x;
+
+			if(tmpWidth > newWidth)
+			{
+				newWidth = tmpWidth;
+			}
+		}
+	}
+
+	m_currentSize.x = newWidth;
+	m_currentSize.y = nextYPos;
+
+	this->setRect(0, 0, m_currentSize.x, m_currentSize.y);
+}

src/app/qt/view/graphElements/QtGraphNode.h

@@ -9,19 +9,26 @@
 #include "component/view/graphElements/GraphNode.h"
 
 class QtGraphEdge;
+class QtGraphNodeComponent;
 
 class QtGraphNode
 	: public GraphNode
 	, public QGraphicsRectItem
 {
 public:
-	QtGraphNode(const Vec2i& position, const std::string& name, const Id tokenId);
+	QtGraphNode(const Vec2i& position, const Vec2i& size, const std::string& name, const Id tokenId);
 	virtual ~QtGraphNode();
 
 	virtual std::string getName() const;
 	virtual Vec2i getPosition() const;
 	virtual void setPosition(const Vec2i& position);
 
+	virtual Vec2i getSize() const;
+
+	void setParent(std::weak_ptr<QtGraphNode> parentNode);
+
+	void addComponent(const std::shared_ptr<QtGraphNodeComponent>& component);
+
 	virtual bool addOutEdge(const std::shared_ptr<GraphEdge>& edge);
 	virtual bool addInEdge(const std::weak_ptr<GraphEdge>& edge);
 
@@ -30,20 +37,54 @@ public:
 	virtual std::list<std::shared_ptr<GraphNode>> getSubNodes() const;
 	virtual void addSubNode(const std::shared_ptr<GraphNode>& node);
 
+	void mousePressEvent(QGraphicsSceneMouseEvent* event);
+	void mouseMoveEvent(QGraphicsSceneMouseEvent* event);
 	void mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event);
 
 	virtual void notifyParentMoved();
 
+	virtual void hideContent();
+	virtual void showContent();
+
+	virtual void hide();
+	virtual void show();
+
+	virtual bool isHidden();
+	virtual bool contentIsHidden();
+
+	virtual unsigned int getOutEdgeCount() const;
+	virtual unsigned int getInEdgeCount() const;
+
+	/**
+	 * @brief Returns the count of all connected edges (including edges of sub nodes)
+	 */
+	virtual unsigned int getEdgeCountRecursive() const;
+
 protected:
 	void notifyEdgesAfterMove();
+	void notifyParentNodeAfterSizeChanged();
+
+	void onChildSizeChanged();
 
 	std::list<std::shared_ptr<GraphEdge>> m_outEdges;
 	std::list<std::weak_ptr<GraphEdge>> m_inEdges;
 
 private:
+	void rebuildLayout();
+
 	QGraphicsTextItem* m_text;
 
+	std::weak_ptr<QtGraphNode> m_parentNode;
 	std::list<std::shared_ptr<GraphNode>> m_subNodes;
+
+	std::list<std::shared_ptr<QtGraphNodeComponent>> m_components;
+
+	const Vec2i m_baseSize;
+	Vec2i m_currentSize;
+
+	Vec2i m_padding;
+
+	bool m_contentHidden;
 };
 
 #endif // QT_GRAPH_NODE_H

src/app/qt/view/graphElements/QtGraphNodeMouseMovable.cpp

@@ -1,29 +0,0 @@
-#include "qt/view/graphElements/QtGraphNodeMouseMovable.h"
-
-#include "qgraphicssceneevent.h"
-
-#include "qt/view/graphElements/QtGraphEdge.h"
-
-QtGraphNodeMouseMovable::QtGraphNodeMouseMovable(const Vec2i& position, const std::string& name, const Id tokenId)
-	: QtGraphNode(position, name, tokenId)
-{
-}
-
-QtGraphNodeMouseMovable::~QtGraphNodeMouseMovable()
-{
-}
-
-void QtGraphNodeMouseMovable::mousePressEvent(QGraphicsSceneMouseEvent* event)
-{
-	m_mouseOffset.x = event->pos().x();
-	m_mouseOffset.y = event->pos().y();
-}
-
-void QtGraphNodeMouseMovable::mouseMoveEvent(QGraphicsSceneMouseEvent* event)
-{
-	this->setPos(event->scenePos().x() - m_mouseOffset.x, event->scenePos().y() - m_mouseOffset.y);
-
-	Vec2i p(event->scenePos().x(), event->scenePos().y());
-
-	notifyEdgesAfterMove();
-}

src/app/qt/view/graphElements/QtGraphNodeMouseMovable.h

@@ -1,19 +0,0 @@
-#ifndef QT_GRAPH_NODE_MOUSE_MOVABLE_H
-#define QT_GRAPH_NODE_MOUSE_MOVABLE_H
-
-#include "qt/view/graphElements/QtGraphNode.h"
-
-class QtGraphNodeMouseMovable : public QtGraphNode
-{
-public:
-	QtGraphNodeMouseMovable(const Vec2i& position, const std::string& name, const Id tokenId);
-	virtual ~QtGraphNodeMouseMovable();
-
-	void mousePressEvent(QGraphicsSceneMouseEvent* event);
-	void mouseMoveEvent(QGraphicsSceneMouseEvent* event);
-
-private:
-	Vec2i m_mouseOffset;
-};
-
-#endif // QT_GRAPH_NODE_MOUSE_MOVABLE_H

src/app/qt/view/graphElements/nodeComponents/QtGraphNodeComponent.cpp

@@ -0,0 +1,10 @@
+#include "QtGraphNodeComponent.h"
+
+QtGraphNodeComponent::QtGraphNodeComponent(const std::weak_ptr<QtGraphNode>& graphNode)
+	: m_graphNode(graphNode)
+{
+}
+
+QtGraphNodeComponent::~QtGraphNodeComponent()
+{
+}

src/app/qt/view/graphElements/nodeComponents/QtGraphNodeComponent.h

@@ -0,0 +1,24 @@
+#ifndef QT_GRAPH_NODE_COMPONENT_H
+#define QT_GRAPH_NODE_COMPONENT_H
+
+#include <memory>
+
+#include <QGraphicsItem>
+
+class QtGraphNode;
+
+class QtGraphNodeComponent
+{
+public:
+	QtGraphNodeComponent(const std::weak_ptr<QtGraphNode>& graphNode);
+	~QtGraphNodeComponent();
+
+	virtual void nodeMousePressEvent(QGraphicsSceneMouseEvent* event) = 0;
+	virtual void nodeMouseMoveEvent(QGraphicsSceneMouseEvent* event) = 0;
+	virtual void nodeMouseDoubleClickEvent(QGraphicsSceneMouseEvent* event) = 0;
+
+protected:
+	std::weak_ptr<QtGraphNode> m_graphNode;
+};
+
+#endif // QT_GRAPH_NODE_COMPONENT_H

src/app/qt/view/graphElements/nodeComponents/QtGraphNodeComponentMoveable.cpp

@@ -0,0 +1,35 @@
+#include "QtGraphNodeComponentMoveable.h"
+
+#include <QGraphicsSceneEvent>
+
+#include "qt/view/graphElements/QtGraphNode.h"
+
+QtGraphNodeComponentMoveable::QtGraphNodeComponentMoveable(const std::weak_ptr<QtGraphNode>& graphNode)
+	: QtGraphNodeComponent(graphNode)
+	, m_mouseOffset(0.0f, 0.0f)
+{
+}
+
+QtGraphNodeComponentMoveable::~QtGraphNodeComponentMoveable()
+{
+}
+
+void QtGraphNodeComponentMoveable::nodeMousePressEvent(QGraphicsSceneMouseEvent* event)
+{
+	m_mouseOffset.x = event->pos().x();
+	m_mouseOffset.y = event->pos().y();
+}
+
+void QtGraphNodeComponentMoveable::nodeMouseMoveEvent(QGraphicsSceneMouseEvent* event)
+{
+	std::shared_ptr<GraphNode> node = m_graphNode.lock();
+
+	if(node != NULL)
+	{
+		node->setPosition(Vec2i(event->scenePos().x() - m_mouseOffset.x, event->scenePos().y() - m_mouseOffset.y));
+	}
+}
+
+void QtGraphNodeComponentMoveable::nodeMouseDoubleClickEvent(QGraphicsSceneMouseEvent* event)
+{
+}

src/app/qt/view/graphElements/nodeComponents/QtGraphNodeComponentMoveable.h

@@ -0,0 +1,23 @@
+#ifndef QT_GRAPH_NODE_COMPONENT_MOVEABLE
+#define QT_GRAPH_NODE_COMPONENT_MOVEABLE
+
+#include "QtGraphNodeComponent.h"
+
+#include "utility/math/Vector2.h"
+
+class QtGraphNodeComponentMoveable
+	: public QtGraphNodeComponent
+{
+public:
+	QtGraphNodeComponentMoveable(const std::weak_ptr<QtGraphNode>& graphNode);
+	~QtGraphNodeComponentMoveable();
+
+	virtual void nodeMousePressEvent(QGraphicsSceneMouseEvent* event);
+	virtual void nodeMouseMoveEvent(QGraphicsSceneMouseEvent* event);
+	virtual void nodeMouseDoubleClickEvent(QGraphicsSceneMouseEvent* event);
+
+private:
+	Vec2i m_mouseOffset;
+};
+
+#endif // QT_GRAPH_NODE_COMPONENT_MOVEABLE

src/app/qt/view/graphElements/nodeComponents/QtGraphNodeComponentToggleButton.cpp

@@ -0,0 +1,61 @@
+#include "QtGraphNodeComponentToggleButton.h"
+
+#include <QGraphicsScene>
+#include <QGraphicsSceneEvent>
+
+#include "qt/view/graphElements/QtGraphNode.h"
+
+QtGraphNodeComponentToggleButton::QtGraphNodeComponentToggleButton(const std::weak_ptr<QtGraphNode>& graphNode)
+	: QtGraphNodeComponent(graphNode)
+{
+	this->setRect(0, 0, 10, 10);
+	this->setPos(0, 0);
+	QBrush brush(Qt::darkGray);
+	this->setBrush(brush);
+
+	std::shared_ptr<QtGraphNode> node = graphNode.lock();
+	if(node != NULL)
+	{
+		this->setParentItem(node.get());
+	}
+}
+
+QtGraphNodeComponentToggleButton::~QtGraphNodeComponentToggleButton()
+{
+}
+
+void QtGraphNodeComponentToggleButton::nodeMousePressEvent(QGraphicsSceneMouseEvent* event)
+{
+}
+
+void QtGraphNodeComponentToggleButton::nodeMouseMoveEvent(QGraphicsSceneMouseEvent* event)
+{
+}
+
+void QtGraphNodeComponentToggleButton::nodeMouseDoubleClickEvent(QGraphicsSceneMouseEvent* event)
+{
+}
+
+void QtGraphNodeComponentToggleButton::mousePressEvent(QGraphicsSceneMouseEvent* event)
+{
+	std::shared_ptr<QtGraphNode> node = m_graphNode.lock();
+	if(node != NULL)
+	{
+		if(node->contentIsHidden())
+		{
+			node->showContent();
+		}
+		else
+		{
+			node->hideContent();
+		}
+	}
+}
+
+void QtGraphNodeComponentToggleButton::mouseMoveEvent(QGraphicsSceneMouseEvent* event)
+{
+}
+
+void QtGraphNodeComponentToggleButton::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event)
+{
+}

src/app/qt/view/graphElements/nodeComponents/QtGraphNodeComponentToggleButton.h

@@ -0,0 +1,23 @@
+#ifndef QT_GRAPH_NODE_COMPONENT_TOGGLE_BUTTON_H
+#define QT_GRAPH_NODE_COMPONENT_TOGGLE_BUTTON_H
+
+#include "QtGraphNodeComponent.h"
+
+class QtGraphNodeComponentToggleButton
+	: public QtGraphNodeComponent
+	, public QGraphicsRectItem
+{
+public:
+	QtGraphNodeComponentToggleButton(const std::weak_ptr<QtGraphNode>& graphNode);
+	~QtGraphNodeComponentToggleButton();
+
+	virtual void nodeMousePressEvent(QGraphicsSceneMouseEvent* event);
+	virtual void nodeMouseMoveEvent(QGraphicsSceneMouseEvent* event);
+	virtual void nodeMouseDoubleClickEvent(QGraphicsSceneMouseEvent* event);
+
+	void mousePressEvent(QGraphicsSceneMouseEvent* event);
+	void mouseMoveEvent(QGraphicsSceneMouseEvent* event);
+	void mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event);
+};
+
+#endif // QT_GRAPH_NODE_COMPONENT_TOGGLE_BUTTON_H

src/lib/component/view/graphElements/GraphNode.h

@@ -20,6 +20,8 @@ public:
 	virtual Vec2i getPosition() const = 0;
 	virtual void setPosition(const Vec2i& position) = 0;
 
+	virtual Vec2i getSize() const = 0;
+
 	virtual bool addOutEdge(const std::shared_ptr<GraphEdge>& edge) = 0;
 	virtual bool addInEdge(const std::weak_ptr<GraphEdge>& edge) = 0;
 
@@ -30,6 +32,20 @@ public:
 
 	virtual void notifyParentMoved() = 0;
 
+	virtual void hideContent() = 0;
+	virtual void showContent() = 0;
+
+	virtual void hide() = 0;
+	virtual void show() = 0;
+
+	virtual bool isHidden() = 0;
+	virtual bool contentIsHidden() = 0;
+
+	virtual unsigned int getOutEdgeCount() const = 0;
+	virtual unsigned int getInEdgeCount() const = 0;
+
+	virtual unsigned int getEdgeCountRecursive() const = 0;
+
 protected:
 	Id m_tokenId;
 };

src/lib/utility/Property.h

@@ -9,6 +9,7 @@ public:
 	~Property();
 
 	T& operator=(const T& value);
+	T& operator=(const Property& property);
 
 	operator const T&() const;
 
@@ -34,6 +35,13 @@ T& Property<T>::operator=(const T& value)
 	return *m_valuePointer;
 }
 
+template<class T>
+T& Property<T>::operator=(const Property& property)
+{
+	*m_valuePointer = *property.m_valuePointer;
+	return *m_valuePointer;
+}
+
 template<class T>
 Property<T>::operator const T&() const
 {

src/lib/utility/math/Vector2.h

@@ -134,6 +134,8 @@ template<class U>
 void Vector2<T>::operator=(const Vector2<U>& other)
 {
 	this->assign(other);
+	x = Property(&VectorBase<T, 2>::m_values[m_xIndex]);
+	y = Property(&VectorBase<T, 2>::m_values[m_yIndex]);
 }
 
 typedef Vector2<float> Vec2f;