-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/ui/xrefpropertieswidget.ui

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>XRefPropertiesWidget</class>
+ <widget class="QWidget" name="XRefPropertiesWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QCheckBox" name="cb_show_power">
+     <property name="text">
+      <string>Afficher les contacts de puissance dans la croix</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>253</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>