4 files changed, 54 insertions, 6 deletions

diff --git a/src/extension/param/notebook.cpp b/src/extension/param/notebook.cpp
index 86e3cefe6..e1ab1de6d 100644
--- a/src/extension/param/notebook.cpp
+++ b/src/extension/param/notebook.cpp
@@ -57,7 +57,7 @@ public:
     Gtk::Widget * get_widget(SPDocument * doc, Inkscape::XML::Node * node, sigc::signal<void> * changeSignal);
     void paramString (std::list <std::string> &list);
     gchar * get_guitext (void) {return _text;};
-
+    Parameter * get_param (const gchar * name);
 }; /* class ParamNotebookPage */
 
 
@@ -381,7 +381,45 @@ ParamNotebookWdg::changed_page(GtkNotebookPage */*page*/,
     return;
 }
 
+/** \brief  Search the parameter's name in the notebook content */
+Parameter *
+ParamNotebook::get_param(const gchar * name)
+{
+    if (name == NULL) {
+        throw Extension::param_not_exist();
+    }
+    for (GSList * pglist = pages; pglist != NULL; pglist = g_slist_next(pglist)) {
+        ParamNotebookPage * page = reinterpret_cast<ParamNotebookPage *>(pglist->data);
+        Parameter * subparam = page->get_param(name);
+        if (subparam) {
+            return subparam;
+        }
+    }
+
+    return NULL;
+}
 
+/** \brief  Search the parameter's name in the page content */
+Parameter *
+ParamNotebookPage::get_param(const gchar * name)
+{
+    if (name == NULL) {
+        throw Extension::param_not_exist();
+    }
+    if (this->parameters == NULL) {
+        // the list of parameters is empty
+        throw Extension::param_not_exist();
+    }
+
+    for (GSList * list = this->parameters; list != NULL; list = g_slist_next(list)) {
+        Parameter * param = static_cast<Parameter*>(list->data);
+        if (!strcmp(param->name(), name)) {
+            return param;
+        }
+    }
+
+    return NULL;
+}
 
 /**
     \brief  Creates a Notebook widget for a notebook parameter
diff --git a/src/extension/param/notebook.h b/src/extension/param/notebook.h
index 24d4ebfc1..fb21c9b63 100644
--- a/src/extension/param/notebook.h
+++ b/src/extension/param/notebook.h
@@ -43,6 +43,8 @@ public:
     Gtk::Widget * get_widget(SPDocument * doc, Inkscape::XML::Node * node, sigc::signal<void> * changeSignal);
     void string (std::list <std::string> &list);
 
+    Parameter * get_param (const gchar * name);
+
     const gchar * get (const SPDocument * /*doc*/, const Inkscape::XML::Node * /*node*/) { return _value; }
     const gchar * set (const int in, SPDocument * doc, Inkscape::XML::Node * node);
 }; /* class ParamNotebook */
diff --git a/src/extension/param/parameter.cpp b/src/extension/param/parameter.cpp
index 1347653a2..ac7c8b8dd 100644
--- a/src/extension/param/parameter.cpp
+++ b/src/extension/param/parameter.cpp
@@ -4,6 +4,7 @@
 /* Author:
  *   Ted Gould <ted@gould.cx>
  *   Johan Engelen <johan@shouraizou.nl>
+ *   Jon A. Cruz <jon@joncruz.org>
  *
  * Copyright (C) 2005-2007 Authors
  *
@@ -155,8 +156,6 @@ Parameter::make (Inkscape::XML::Node * in_repr, Inkscape::Extension::Extension *
     return param;
 }
 
-
-
 /** \brief  Wrapper to cast to the object and use it's function.  */
 bool
 Parameter::get_bool (const SPDocument * doc, const Inkscape::XML::Node * node)
@@ -347,10 +346,9 @@ Parameter::new_child (Inkscape::XML::Node * parent)
     return retval;
 }
 
-Inkscape::XML::Node *
-Parameter::document_param_node (SPDocument * doc)
+Inkscape::XML::Node *Parameter::document_param_node(SPDocument * doc)
 {
-    Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
+    Inkscape::XML::Document *xml_doc = doc->getReprDoc();
     Inkscape::XML::Node * defs = SP_OBJECT_REPR(SP_DOCUMENT_DEFS(doc));
     Inkscape::XML::Node * params = NULL;
 
@@ -409,6 +407,13 @@ Parameter::string (std::list <std::string> &list)
     return;
 }
 
+/** \brief  All the code in Notebook::get_param to get the notebook content */
+Parameter *
+Parameter::get_param(const gchar * name)
+{
+    return NULL;
+}
+
 Glib::ustring const extension_pref_root = "/extensions/";
 
 }  /* namespace Extension */
diff --git a/src/extension/param/parameter.h b/src/extension/param/parameter.h
index beddf5936..d8ed68439 100644
--- a/src/extension/param/parameter.h
+++ b/src/extension/param/parameter.h
@@ -85,6 +85,7 @@ public:
                       Parameter(name, guitext, NULL, Parameter::SCOPE_USER, false, NULL, ext);
                   };
     virtual      ~Parameter  (void);
+
     bool          get_bool   (const SPDocument * doc,
                               const Inkscape::XML::Node * node);
     int           get_int    (const SPDocument * doc,
@@ -120,6 +121,8 @@ public:
 
     virtual void string (std::list <std::string> &list);
     virtual void string (std::string &string);
+
+    virtual Parameter *  get_param  (const gchar * name);
 };
 
 }  /* namespace Extension */