reorganization continues ...

[helm.git] / helm / software / DEVEL / gtkmathview-bonobo / src / persist-file.c

diff --git a/helm/software/DEVEL/gtkmathview-bonobo/src/persist-file.c b/helm/software/DEVEL/gtkmathview-bonobo/src/persist-file.c
new file mode 100644 (file)
index 0000000..1d3fd36
--- /dev/null
+++ b/helm/software/DEVEL/gtkmathview-bonobo/src/persist-file.c
@@ -0,0 +1,141 @@
+/* This file is part of GtkMathView-Bonobo, a Bonobo wrapper for GtkMathView.
+ * Copyright (C) 2003 Luca Padovani <lpadovan@cs.unibo.it>
+ *                    Pouria Masoudi <pmasoudi@cs.unibo.it>
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This library 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
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * For more information, please visit the project's home page
+ * http://helm.cs.unibo.it/gtkmathview-bonobo
+ * or send an email to <lpadovan@cs.unibo.it>
+ */
+
+#include <config.h>
+
+#include <bonobo.h>
+#include <gtkmathview.h>
+#include <glib.h>
+
+#include "persist-file.h"
+#include "control-factory.h"
+
+static BonoboObjectClass *gtk_math_view_persist_file_parent_class;
+
+static void load_implementation(PortableServer_Servant servant,const gchar *path,
+                               CORBA_Environment *ev); 
+
+static void save_implementation(PortableServer_Servant servant,const gchar *path,
+                               CORBA_Environment *ev);
+
+static void finalize(GObject *object)
+{
+  GtkMathViewPersistFile *file = GTK_MATH_VIEW_PERSIST_FILE(object);
+
+  if (file->math_view)
+    {
+      g_object_unref(file->math_view);
+      file->math_view = NULL;
+    }
+
+  G_OBJECT_CLASS(gtk_math_view_persist_file_parent_class)->finalize (object);
+}
+
+static Bonobo_Persist_ContentTypeList *
+get_content_types(BonoboPersist *persist,CORBA_Environment *ev)
+{
+  return bonobo_persist_generate_content_types(3, "application/mathml+xml", "text/mathml", "text/plain");
+}
+
+static void 
+gtk_math_view_persist_file_class_init(GtkMathViewPersistFileClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS(klass);
+  BonoboPersistClass *persist_class = BONOBO_PERSIST_CLASS(klass);
+  POA_Bonobo_PersistFile__epv *epv = &klass->epv;
+
+  gtk_math_view_persist_file_parent_class = g_type_class_peek_parent(klass);
+
+  epv->load = load_implementation;
+  epv->save = save_implementation;
+
+  object_class->finalize = finalize;
+  persist_class->get_content_types = get_content_types;
+}
+
+GType 
+gtk_math_view_persist_file_get_type(void)
+{
+  static GType type = 0;
+
+  if (!type)
+    {
+      GTypeInfo info =
+       {
+         sizeof(GtkMathViewPersistFileClass),
+         (GBaseInitFunc) NULL,
+         (GBaseFinalizeFunc) NULL,
+         (GClassInitFunc) gtk_math_view_persist_file_class_init,
+         NULL,  /* class finalize */
+         NULL,  /* class_data */
+         sizeof(GtkMathViewPersistFile),
+         0,   /* n_preallocs */
+         (GInstanceInitFunc) NULL
+       };
+
+      type = bonobo_type_unique(BONOBO_TYPE_PERSIST,
+                               POA_Bonobo_PersistFile__init,POA_Bonobo_PersistFile__fini,
+                               G_STRUCT_OFFSET(GtkMathViewPersistFileClass, epv),
+                               &info,"GtkMathViewPresistFile");
+    }
+
+  return type;
+}
+
+BonoboObject *
+gtk_math_view_persist_file_new(GtkMathView *math_view)
+{
+  BonoboObject *file;
+
+  file = g_object_new(gtk_math_view_persist_file_get_type(),NULL);
+  bonobo_persist_construct(BONOBO_PERSIST(file),CONTROL_FACTORY_ID);
+
+  g_object_ref(math_view);
+  GTK_MATH_VIEW_PERSIST_FILE(file)->math_view = math_view;
+
+  return file;
+}
+
+static void
+load_implementation(PortableServer_Servant servant,const gchar *path,CORBA_Environment *ev)
+{
+  gboolean result;
+  GtkMathViewPersistFile* file = GTK_MATH_VIEW_PERSIST_FILE(bonobo_object_from_servant(servant));
+  //fd = open(path, O_RDONLY);
+
+  result = gtk_math_view_load_uri(file->math_view,path);
+  if(!result)
+    CORBA_exception_set(ev,CORBA_USER_EXCEPTION,ex_Bonobo_Persist_WrongDataType,NULL);
+
+  bonobo_object_unref(BONOBO_OBJECT(file));
+}
+
+static void
+save_implementation(PortableServer_Servant servant,
+                    const gchar *path,
+                    CORBA_Environment *ev)
+{
+  bonobo_exception_set(ev,"save_exception");
+  bonobo_exception_add_handler_str("save_exception",
+                                  "Save option is not valid");
+}