# HG changeset patch
# User Thinker K.F. Li <thinker@codemud.net>
# Date 1296449269 -28800
# Node ID 407f321f0d7c12ffd094d734d3a03fd32018c2f2
# Parent  ab281ec3eeec457919438e6835c501df384d1927
Add a svg:use after transform a group to a component

diff -r ab281ec3eeec -r 407f321f0d7c pyink/MBScene.py
--- a/pyink/MBScene.py	Sun Jan 30 23:04:06 2011 +0800
+++ b/pyink/MBScene.py	Mon Jan 31 12:47:49 2011 +0800
@@ -403,10 +403,19 @@
     ## \brief To handle context menu event.
     #
     def do_make_component_from_group(self, node):
+	node_parent_group = node.parent()
+	
 	comp_name = 'Component ' + node.getAttribute('id')
 	self._domviewui.add_component_from_group(comp_name, node)
+	
+	self._domviewui.link_to_component(comp_name, node_parent_group)
 	pass
 
+    ## \brief Add menu item to context menu.
+    #
+    # This method is called by pyink.pyink_context_menu() to notify the
+    # creation of context menu for a node.
+    #
     def context_menu(self, spitem, menu_factory):
 	node = spitem.repr
 	if node.name() != 'svg:g':
diff -r ab281ec3eeec -r 407f321f0d7c pyink/domview.py
--- a/pyink/domview.py	Sun Jan 30 23:04:06 2011 +0800
+++ b/pyink/domview.py	Mon Jan 31 12:47:49 2011 +0800
@@ -502,6 +502,25 @@
         layer_group = self._get_group_of_component_layer(comp_name, 0)
         layer_group.appendChild(group)
         pass
+
+    ## \brief Create a link to a component.
+    #
+    # \param parent_group is where the link will be pliaced in.
+    # \return link node.
+    #
+    def link_to_component(self, comp_name, parent_group):
+        layers_group = self._get_layers_group_of_component(comp_name)
+        
+        use_node = self._doc.createElement('svg:use')
+        layers_group_id = layers_group.getAttribute('id')
+        use_node.setAttribute('xlink:href', '#' + layers_group_id)
+        use_node_id = self.new_id()
+        use_node.setAttribute('id', use_node_id)
+        use_node.setAttribute('use_component', 'true')
+
+        parent_group.appendChild(use_node)
+        
+        return use_node
     pass
 
 
diff -r ab281ec3eeec -r 407f321f0d7c pyink/domview_ui.py
--- a/pyink/domview_ui.py	Sun Jan 30 23:04:06 2011 +0800
+++ b/pyink/domview_ui.py	Mon Jan 31 12:47:49 2011 +0800
@@ -465,6 +465,10 @@
         self.add_component(comp_name)
         self._dom.mv_group_to_component(group, comp_name)
         pass
+
+    def link_to_component(self, comp_name, parent_group):
+        link_node = self._dom.link_to_component(comp_name, parent_group)
+        return link_node
     pass