diff --git a/qad/blockview/blockitem.cpp b/qad/blockview/blockitem.cpp
index fe64601..8316b6d 100644
--- a/qad/blockview/blockitem.cpp
+++ b/qad/blockview/blockitem.cpp
@@ -270,7 +270,7 @@ QByteArray BlockItem::save() const {
 		pp[p->text()] = p->properties();
 	}
 	cs << cs.chunk(1, pos()) << cs.chunk(2, rotation()) << cs.chunk(3, props) << cs.chunk(5, pp) << cs.chunk(6, size());
-	cs << cs.chunk(10, data(2000)) << cs.chunk(11, data(2001)) << cs.chunk(0xFF, _blockitem_current_version_);
+	cs << cs.chunk(10, data(2000)) << cs.chunk(11, data(2001)) << cs.chunk(12, prop_bindings) << cs.chunk(0xFF, _blockitem_current_version_);
 	return cs.data();
 }
 
@@ -297,6 +297,7 @@ void BlockItem::load(const QByteArray & data) {
 		case 6: setSize(cs.getData<QSizeF>()); break;
 		case 10: setData(2000, cs.getData<QVariant>()); break;
 		case 11: setData(2001, cs.getData<QVariant>()); break;
+		case 12: prop_bindings = cs.getData<QList<QPair<QString, QString> > >(); break;
 		case 0xFF: cs.get(version); break;
 		}
 	}
@@ -418,6 +419,86 @@ void BlockItem::arrangePins() {
 #undef _POS
 
 
+void BlockItem::removeBindings(const QString & bind_name) {
+	for(int i=0; i<prop_bindings.size(); ++i) {
+		if (prop_bindings[i].second == bind_name) {
+			prop_bindings.removeAt(i);
+			i--;
+		}
+	}
+}
+
+
+void BlockItem::removeBindingByProperty(const QString & prop_name) {
+	for(int i=0; i<prop_bindings.size(); ++i) {
+		if (prop_bindings[i].first == prop_name) {
+			prop_bindings.removeAt(i);
+			i--;
+		}
+	}
+}
+
+
+void BlockItem::addBinding(const QString & prop_name, const QString & bind_name) {
+	QPair<QString, QString> pb(prop_name, bind_name);
+	prop_bindings.removeAll(pb);
+	prop_bindings << pb;
+}
+
+
+void BlockItem::applyBinding(const QString & bind_name, const QVariant & bind_value) {
+	for(int i=0; i<prop_bindings.size(); ++i) {
+		if (prop_bindings[i].second == bind_name) {
+			setPropertyValue(prop_bindings[i].first, bind_value);
+		}
+	}
+}
+
+
+void BlockItem::applyBindings(const PropertyStorage & bindings) {
+	for(int i=0; i<prop_bindings.size(); ++i) {
+		if (bindings.isPropertyExists(prop_bindings[i].second)) {
+			setPropertyValue(prop_bindings[i].first, bindings.propertyValueByName(prop_bindings[i].second));
+		}
+	}
+}
+
+
+void BlockItem::setBindings(const QList<QPair<QString, QString> > & bindings) {
+	prop_bindings = bindings;
+}
+
+
+QList<QPair<QString, QString> > BlockItem::getBindings() {
+	return prop_bindings;
+}
+
+
+QString BlockItem::getBindName(const QString & prop_name) const {
+	for(int i=0; i<prop_bindings.size(); ++i) {
+		if (prop_bindings[i].first == prop_name) {
+			return prop_bindings[i].second;
+		}
+	}
+	return QString();
+}
+
+
+QStringList BlockItem::getBindNames() const {
+	QStringList ret;
+	for(int i=0; i<prop_bindings.size(); ++i)
+		if (!ret.contains(prop_bindings[i].second)) ret << prop_bindings[i].second;
+	return ret;
+}
+
+QStringList BlockItem::getBindProps() const {
+	QStringList ret;
+	for(int i=0; i<prop_bindings.size(); ++i)
+		ret << prop_bindings[i].first;
+	return ret;
+}
+
+
 void BlockItem::paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget) {
 	//if ()
 }
diff --git a/qad/blockview/blockitem.h b/qad/blockview/blockitem.h
index 3145509..7ff5999 100644
--- a/qad/blockview/blockitem.h
+++ b/qad/blockview/blockitem.h
@@ -28,7 +28,7 @@ class BlockItem: public QGraphicsObject, public PropertyStorage
 public:
 	BlockItem(QGraphicsItem * parent = 0);
 	~BlockItem();
-	
+
 	BlockItem * copy() const;
 	BlockItemPin * addPin(BlockItemPin * pin, bool update_ = true);
 	BlockItemPin * addPin(Qt::Alignment align, int bus_type, const QString & text, bool update_ = true);
@@ -61,9 +61,20 @@ public:
 	QByteArray save() const;
 	void load(const QByteArray & data);
 	void arrangePins();
-	
+
+	void removeBindings(const QString & bind_name);
+	void removeBindingByProperty(const QString & prop_name);
+	void addBinding(const QString & prop_name, const QString & bind_name);
+	void applyBinding(const QString & bind_name, const QVariant & bind_value);
+	void applyBindings(const PropertyStorage & bindings);
+	void setBindings(const QList<QPair<QString, QString> > & bindings);
+	QList<QPair<QString, QString> > getBindings();
+	QString getBindName(const QString & prop_name) const;
+	QStringList getBindNames() const;
+	QStringList getBindProps() const;
+
 	enum {Type = UserType + 1};
-	
+
 protected:
 	void _resize(QSizeF s);
 	void _moveToTop(bool only_decors = false);
@@ -78,13 +89,14 @@ protected:
 	double bottom() const {return boundingRect().bottom();}
 	void paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget = 0);
 	QVariant itemChange(GraphicsItemChange change, const QVariant & value);
-	
+
 	QGraphicsRectItem g_main, g_selection;
 	int pins_margin;
 	QColor col;
 	QMap<Qt::Alignment, QVector<BlockItemPin * > > pins_;
 	QList<QGraphicsItem * > decors_;
-	
+	QList<QPair<QString, QString> > prop_bindings; // <property_name, binding_name>
+
 private:
 	double thickness() const;
 	void setThickness(double w);