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path: root/plugins/gtk+/glade-treeview-editor.c
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/*
 * Copyright (C) 2008 Tristan Van Berkom.
 *
 * 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.
 *
 * Authors:
 *   Tristan Van Berkom <tvb@gnome.org>
 */

#include <config.h>
#include <gladeui/glade.h>
#include <glib/gi18n-lib.h>
#include <gdk/gdkkeysyms.h>

#include "glade-treeview-editor.h"


static void glade_tree_view_editor_finalize (GObject *object);

static void glade_tree_view_editor_editable_init (GladeEditableInterface *iface);

static void glade_tree_view_editor_realize (GtkWidget *widget);
static void glade_tree_view_editor_grab_focus (GtkWidget *widget);



static GladeEditableInterface *parent_editable_iface;

G_DEFINE_TYPE_WITH_CODE (GladeTreeViewEditor, glade_tree_view_editor, GTK_TYPE_BOX,
                         G_IMPLEMENT_INTERFACE (GLADE_TYPE_EDITABLE,
                                                glade_tree_view_editor_editable_init))


static void
glade_tree_view_editor_class_init (GladeTreeViewEditorClass *klass)
{
  GObjectClass *object_class = G_OBJECT_CLASS (klass);
  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);

  object_class->finalize = glade_tree_view_editor_finalize;

  widget_class->realize = glade_tree_view_editor_realize;
  widget_class->grab_focus = glade_tree_view_editor_grab_focus;
}

static void
glade_tree_view_editor_init (GladeTreeViewEditor *self)
{
  gtk_orientable_set_orientation (GTK_ORIENTABLE (self),
                                  GTK_ORIENTATION_HORIZONTAL);
}

static GladeWidget *
get_model_widget (GladeWidget *view)
{

  GtkTreeModel *model = NULL;
  GObject      *object = glade_widget_get_object (view);

  if (GTK_IS_TREE_VIEW (object))
    model = gtk_tree_view_get_model (GTK_TREE_VIEW (object));
  else if (GTK_IS_ICON_VIEW (object))
    model = gtk_icon_view_get_model (GTK_ICON_VIEW (object));
  else if (GTK_IS_COMBO_BOX (object))
    model = gtk_combo_box_get_model (GTK_COMBO_BOX (object));

  if (model)
    return glade_widget_get_from_gobject (model);

  return NULL;
}

static void
glade_tree_view_editor_load (GladeEditable *editable, GladeWidget *widget)
{
  GladeTreeViewEditor *view_editor = GLADE_TREE_VIEW_EDITOR (editable);
  GladeWidget *model_widget;

  /* Chain up to default implementation */
  parent_editable_iface->load (editable, widget);

  /* load the embedded editable... */
  if (view_editor->embed)
    glade_editable_load (GLADE_EDITABLE (view_editor->embed), widget);

  if (view_editor->embed_list_store && view_editor->embed_tree_store)
    {
      gtk_widget_hide (view_editor->no_model_message);
      gtk_widget_hide (view_editor->embed_list_store);
      gtk_widget_hide (view_editor->embed_tree_store);
      glade_editable_load (GLADE_EDITABLE (view_editor->embed_list_store),
                           NULL);
      glade_editable_load (GLADE_EDITABLE (view_editor->embed_tree_store),
                           NULL);

      /* Finalize safe code here... */
      if (widget && (model_widget = get_model_widget (widget)))
        {
          if (GTK_IS_LIST_STORE (glade_widget_get_object (model_widget)))
            {
              gtk_widget_show (view_editor->embed_list_store);
              glade_editable_load (GLADE_EDITABLE
                                   (view_editor->embed_list_store),
                                   model_widget);
            }
          else if (GTK_IS_TREE_STORE (glade_widget_get_object (model_widget)))
            {
              gtk_widget_show (view_editor->embed_tree_store);
              glade_editable_load (GLADE_EDITABLE
                                   (view_editor->embed_tree_store),
                                   model_widget);
            }
          else
            gtk_widget_show (view_editor->no_model_message);
        }
      else
        gtk_widget_show (view_editor->no_model_message);
    }
}

static void
glade_tree_view_editor_set_show_name (GladeEditable *editable,
                                      gboolean       show_name)
{
  GladeTreeViewEditor *view_editor = GLADE_TREE_VIEW_EDITOR (editable);

  glade_editable_set_show_name (GLADE_EDITABLE (view_editor->embed), show_name);
}

static void
glade_tree_view_editor_editable_init (GladeEditableInterface *iface)
{
  parent_editable_iface = g_type_default_interface_peek (GLADE_TYPE_EDITABLE);

  iface->load = glade_tree_view_editor_load;
  iface->set_show_name = glade_tree_view_editor_set_show_name;
}

static void
glade_tree_view_editor_finalize (GObject *object)
{
  GladeTreeViewEditor *view_editor = GLADE_TREE_VIEW_EDITOR (object);

  view_editor->embed_tree_store = NULL;
  view_editor->embed_list_store = NULL;
  view_editor->embed = NULL;

  glade_editable_load (GLADE_EDITABLE (object), NULL);

  G_OBJECT_CLASS (glade_tree_view_editor_parent_class)->finalize (object);
}


static void
glade_tree_view_editor_realize (GtkWidget *widget)
{
  GladeTreeViewEditor *view_editor = GLADE_TREE_VIEW_EDITOR (widget);
  GladeWidget         *gwidget = glade_editable_loaded_widget (GLADE_EDITABLE (view_editor));

  GTK_WIDGET_CLASS (glade_tree_view_editor_parent_class)->realize (widget);

  glade_editable_load (GLADE_EDITABLE (view_editor), gwidget);
}

static void
glade_tree_view_editor_grab_focus (GtkWidget * widget)
{
  GladeTreeViewEditor *view_editor = GLADE_TREE_VIEW_EDITOR (widget);

  gtk_widget_grab_focus (view_editor->embed);
}

GtkWidget *
glade_tree_view_editor_new (GladeWidgetAdaptor *adaptor, GladeEditable *embed)
{
  GladeTreeViewEditor *view_editor;
  GtkWidget *vbox, *separator;
  gchar *str;

  g_return_val_if_fail (GLADE_IS_WIDGET_ADAPTOR (adaptor), NULL);
  g_return_val_if_fail (GLADE_IS_EDITABLE (embed), NULL);

  view_editor = g_object_new (GLADE_TYPE_TREE_VIEW_EDITOR, NULL);
  view_editor->embed = GTK_WIDGET (embed);

  /* Pack the parent on the left... */
  gtk_box_pack_start (GTK_BOX (view_editor), GTK_WIDGET (embed), TRUE, TRUE, 8);

  separator = gtk_separator_new (GTK_ORIENTATION_VERTICAL);
  gtk_box_pack_start (GTK_BOX (view_editor), separator, FALSE, FALSE, 0);

  /* ...and the vbox with datastore/label on the right */
  vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
  gtk_box_pack_start (GTK_BOX (view_editor), vbox, TRUE, TRUE, 8);

  str = g_strdup_printf ("<b>%s</b>", _("Choose a Data Model and define some\n"
                                        "columns in the data store first"));
  view_editor->no_model_message = gtk_label_new (str);
  gtk_label_set_use_markup (GTK_LABEL (view_editor->no_model_message), TRUE);
  gtk_label_set_justify (GTK_LABEL (view_editor->no_model_message),
                         GTK_JUSTIFY_CENTER);

  g_free (str);

  gtk_box_pack_start (GTK_BOX (vbox), view_editor->no_model_message, TRUE, TRUE,
                      0);

  view_editor->embed_list_store =
      (GtkWidget *)
      glade_widget_adaptor_create_editable (glade_widget_adaptor_get_by_type
                                            (GTK_TYPE_LIST_STORE),
                                            GLADE_PAGE_GENERAL);
  glade_editable_set_show_name (GLADE_EDITABLE (view_editor->embed_list_store),
                                FALSE);
  gtk_box_pack_start (GTK_BOX (vbox), view_editor->embed_list_store, TRUE, TRUE,
                      0);

  view_editor->embed_tree_store =
      (GtkWidget *)
      glade_widget_adaptor_create_editable (glade_widget_adaptor_get_by_type
                                            (GTK_TYPE_TREE_STORE),
                                            GLADE_PAGE_GENERAL);
  glade_editable_set_show_name (GLADE_EDITABLE (view_editor->embed_tree_store),
                                FALSE);
  gtk_box_pack_start (GTK_BOX (vbox), view_editor->embed_tree_store, TRUE, TRUE,
                      0);

  gtk_widget_show_all (GTK_WIDGET (view_editor));

  return GTK_WIDGET (view_editor);
}