/*

 * glade-gtk-paned.c - GladeWidgetAdaptor for GtkPaned

 *

 * Copyright (C) 2013 Tristan Van Berkom

 *

 * Authors:

 *      Tristan Van Berkom <tristan.van.berkom@gmail.com>

 *

 * 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 program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

 */

#include <config.h>

#include <glib/gi18n-lib.h>

#include <gladeui/glade.h>

void

glade_gtk_paned_post_create (GladeWidgetAdaptor * adaptor,

                             GObject * paned, GladeCreateReason reason)

{

  g_return_if_fail (GTK_IS_PANED (paned));

  if (reason == GLADE_CREATE_USER &&

      gtk_paned_get_child1 (GTK_PANED (paned)) == NULL)

    gtk_paned_add1 (GTK_PANED (paned), glade_placeholder_new ());

  if (reason == GLADE_CREATE_USER &&

      gtk_paned_get_child2 (GTK_PANED (paned)) == NULL)

    gtk_paned_add2 (GTK_PANED (paned), glade_placeholder_new ());

}

void

glade_gtk_paned_add_child (GladeWidgetAdaptor * adaptor,

                           GObject * object, GObject * child)

{

  GtkPaned *paned;

  GtkWidget *child1, *child2;

  gboolean loading;

  g_return_if_fail (GTK_IS_PANED (object));

  paned = GTK_PANED (object);

  loading = glade_util_object_is_loading (object);

  child1 = gtk_paned_get_child1 (paned);

  child2 = gtk_paned_get_child2 (paned);

  if (loading == FALSE)

    {

      /* Remove a placeholder */

      if (child1 && GLADE_IS_PLACEHOLDER (child1))

        {

          gtk_container_remove (GTK_CONTAINER (object), child1);

          child1 = NULL;

        }

      else if (child2 && GLADE_IS_PLACEHOLDER (child2))

        {

          gtk_container_remove (GTK_CONTAINER (object), child2);

          child2 = NULL;

        }

    }

  /* Add the child */

  if (child1 == NULL)

    gtk_paned_add1 (paned, GTK_WIDGET (child));

  else if (child2 == NULL)

    gtk_paned_add2 (paned, GTK_WIDGET (child));

  if (GLADE_IS_PLACEHOLDER (child) == FALSE && loading)

    {

      GladeWidget *gchild = glade_widget_get_from_gobject (child);

      if (gchild && glade_widget_get_packing_properties (gchild))

        {

          if (child1 == NULL)

            glade_widget_pack_property_set (gchild, "first", TRUE);

          else if (child2 == NULL)

            glade_widget_pack_property_set (gchild, "first", FALSE);

        }

    }

}

void

glade_gtk_paned_remove_child (GladeWidgetAdaptor * adaptor,

                              GObject * object, GObject * child)

{

  gtk_container_remove (GTK_CONTAINER (object), GTK_WIDGET (child));

  glade_gtk_paned_post_create (adaptor, object, GLADE_CREATE_USER);

}

void

glade_gtk_paned_set_child_property (GladeWidgetAdaptor * adaptor,

                                    GObject * container,

                                    GObject * child,

                                    const gchar * property_name,

                                    const GValue * value)

{

  if (strcmp (property_name, "first") == 0)

    {

      GtkPaned *paned = GTK_PANED (container);

      gboolean first = g_value_get_boolean (value);

      GtkWidget *place, *wchild = GTK_WIDGET (child);

      place = (first) ? gtk_paned_get_child1 (paned) :

          gtk_paned_get_child2 (paned);

      if (place && GLADE_IS_PLACEHOLDER (place))

        gtk_container_remove (GTK_CONTAINER (container), place);

      g_object_ref (child);

      gtk_container_remove (GTK_CONTAINER (container), wchild);

      if (first)

        gtk_paned_add1 (paned, wchild);

      else

        gtk_paned_add2 (paned, wchild);

      g_object_unref (child);

      /* Ensure placeholders */

      if (glade_util_object_is_loading (child) == FALSE)

        {

          if ((place = gtk_paned_get_child1 (paned)) == NULL)

            gtk_paned_add1 (paned, glade_placeholder_new ());

          if ((place = gtk_paned_get_child2 (paned)) == NULL)

            gtk_paned_add2 (paned, glade_placeholder_new ());

        }

    }

  else

    /* Chain Up */

    GWA_GET_CLASS

        (GTK_TYPE_CONTAINER)->child_set_property (adaptor,

                                                  container, child,

                                                  property_name, value);

}

void

glade_gtk_paned_get_child_property (GladeWidgetAdaptor * adaptor,

                                    GObject * container,

                                    GObject * child,

                                    const gchar * property_name, GValue * value)

{

  if (strcmp (property_name, "first") == 0)

    g_value_set_boolean (value, GTK_WIDGET (child) ==

                         gtk_paned_get_child1 (GTK_PANED (container)));

  else

    /* Chain Up */

    GWA_GET_CLASS

        (GTK_TYPE_CONTAINER)->child_get_property (adaptor,

                                                  container, child,

                                                  property_name, value);

}