/*

 * glade-gtk-frame.c - GladeWidgetAdaptor for GtkFrame

 *

 * 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>

#include "glade-gtk-frame.h"

void

glade_gtk_frame_post_create (GladeWidgetAdaptor * adaptor,

                             GObject * frame, GladeCreateReason reason)

{

  static GladeWidgetAdaptor *label_adaptor = NULL, *alignment_adaptor = NULL;

  GladeWidget *gframe, *glabel, *galignment;

  GtkWidget *label;

  if (reason != GLADE_CREATE_USER)

    return;

  g_return_if_fail (GTK_IS_FRAME (frame));

  gframe = glade_widget_get_from_gobject (frame);

  g_return_if_fail (GLADE_IS_WIDGET (gframe));

  /* If we didnt put this object here or if frame is an aspect frame... */

  if (((label = gtk_frame_get_label_widget (GTK_FRAME (frame))) == NULL ||

       (glade_widget_get_from_gobject (label) == NULL)) &&

      (GTK_IS_ASPECT_FRAME (frame) == FALSE))

    {

      if (label_adaptor == NULL)

        label_adaptor = glade_widget_adaptor_get_by_type (GTK_TYPE_LABEL);

      if (alignment_adaptor == NULL)

        alignment_adaptor =

            glade_widget_adaptor_get_by_type (GTK_TYPE_ALIGNMENT);

      /* add label (as an internal child) */

      glabel = glade_widget_adaptor_create_widget (label_adaptor, FALSE,

                                                   "parent", gframe,

                                                   "project",

                                                   glade_widget_get_project

                                                   (gframe), NULL);

      glade_widget_property_set (glabel, "label", glade_widget_get_name (gframe));

      g_object_set_data (glade_widget_get_object (glabel), 

			 "special-child-type", "label_item");

      glade_widget_add_child (gframe, glabel, FALSE);

      /* add alignment */

      galignment = glade_widget_adaptor_create_widget (alignment_adaptor, FALSE,

                                                       "parent", gframe,

                                                       "project",

                                                       glade_widget_get_project

                                                       (gframe), NULL);

      glade_widget_property_set (galignment, "left-padding", 12);

      glade_widget_add_child (gframe, galignment, FALSE);

    }

  /* Chain Up */

  GWA_GET_CLASS (GTK_TYPE_CONTAINER)->post_create (adaptor, frame, reason);

}

void

glade_gtk_frame_replace_child (GladeWidgetAdaptor * adaptor,

                               GtkWidget * container,

                               GtkWidget * current, GtkWidget * new_widget)

{

  gchar *special_child_type;

  special_child_type =

      g_object_get_data (G_OBJECT (current), "special-child-type");

  if (special_child_type && !strcmp (special_child_type, "label_item"))

    {

      g_object_set_data (G_OBJECT (new_widget), "special-child-type",

                         "label_item");

      gtk_frame_set_label_widget (GTK_FRAME (container), new_widget);

      return;

    }

  /* Chain Up */

  GWA_GET_CLASS

      (GTK_TYPE_CONTAINER)->replace_child (adaptor,

                                           G_OBJECT (container),

                                           G_OBJECT (current),

                                           G_OBJECT (new_widget));

}

void

glade_gtk_frame_add_child (GladeWidgetAdaptor * adaptor,

                           GObject * object, GObject * child)

{

  GtkWidget *bin_child;

  gchar *special_child_type;

  special_child_type = g_object_get_data (child, "special-child-type");

  if (special_child_type && !strcmp (special_child_type, "label"))

    {

      g_object_set_data (child, "special-child-type", "label_item");

      gtk_frame_set_label_widget (GTK_FRAME (object), GTK_WIDGET (child));

    }

  else if (special_child_type && !strcmp (special_child_type, "label_item"))

    {

      gtk_frame_set_label_widget (GTK_FRAME (object), GTK_WIDGET (child));

    }

  else

    {

      /* Get a placeholder out of the way before adding the child

       */

      bin_child = gtk_bin_get_child (GTK_BIN (object));

      if (bin_child)

        {

          if (GLADE_IS_PLACEHOLDER (bin_child))

            gtk_container_remove (GTK_CONTAINER (object), bin_child);

          else

            {

              g_critical ("Cant add more than one widget to a GtkFrame");

              return;

            }

        }

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

    }

}

void

glade_gtk_frame_remove_child (GladeWidgetAdaptor * adaptor,

                              GObject * object, GObject * child)

{

  gchar *special_child_type;

  special_child_type = g_object_get_data (child, "special-child-type");

  if (special_child_type && !strcmp (special_child_type, "label_item"))

    {

      gtk_frame_set_label_widget (GTK_FRAME (object), glade_placeholder_new ());

    }

  else

    {

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

      gtk_container_add (GTK_CONTAINER (object), glade_placeholder_new ());

    }

}

void

glade_gtk_frame_write_child (GladeWidgetAdaptor * adaptor,

                             GladeWidget * widget,

                             GladeXmlContext * context, GladeXmlNode * node)

{

  if (!glade_gtk_write_special_child_label_item (adaptor, widget, context, node,

						 GWA_GET_CLASS (GTK_TYPE_CONTAINER)->write_child))

    /* Chain Up */

    GWA_GET_CLASS

        (GTK_TYPE_CONTAINER)->write_child (adaptor, widget, context, node);

}

/* Shared with GtkExpander code */

gboolean

glade_gtk_write_special_child_label_item (GladeWidgetAdaptor * adaptor,

					  GladeWidget * widget,

					  GladeXmlContext * context,

					  GladeXmlNode * node,

					  GladeWriteWidgetFunc write_func)

{

  gchar *special_child_type = NULL;

  GObject *child;

  child = glade_widget_get_object (widget);

  if (child)

    special_child_type = g_object_get_data (child, "special-child-type");

  if (special_child_type && !strcmp (special_child_type, "label_item"))

    {

      g_object_set_data (child, "special-child-type", "label");

      write_func (adaptor, widget, context, node);

      g_object_set_data (child, "special-child-type", "label_item");

      return TRUE;

    }

  else

    return FALSE;

}