-add class for store Xref properties

-add widget for edit it
-make link betwen QET -> QETproject -> Diagram, for transmit the xrefproperties
-xrefpropertie can save/load to xml and setting.
-XRefItem don't use the properties yet


git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@2983 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/properties/xrefproperties.h

@@ -0,0 +1,47 @@
+/*
+	Copyright 2006-2014 The QElectroTech Team
+	This file is part of QElectroTech.
+
+	QElectroTech is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 2 of the License, or
+	(at your option) any later version.
+
+	QElectroTech is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef XREFPROPERTIES_H
+#define XREFPROPERTIES_H
+
+#include "propertiesinterface.h"
+
+/**
+ * @brief The XRefProperties class
+ * this class store properties used by XrefItem
+ */
+class XRefProperties : public PropertiesInterface
+{
+	public:
+	XRefProperties();
+
+	virtual void toSettings	  (QSettings &settings, const QString = QString()) const;
+	virtual void fromSettings (const QSettings &settings, const QString = QString());
+	virtual void toXml		  (QDomElement &xml_element) const;
+	virtual void fromXml	  (const QDomElement &xml_element);
+
+	bool operator == (const XRefProperties &xrp) const;
+	bool operator != (const XRefProperties &xrp) const;
+
+	void setShowPowerContac (const bool a) {m_show_power_ctc = a;}
+	bool showPowerContact	() const	   {return m_show_power_ctc;}
+
+	private:
+	bool m_show_power_ctc;
+};
+
+#endif // XREFPROPERTIES_H