/* this file is part of evince, a gnome document viewer
 *
 *  Copyright (C) 2004 Red Hat, Inc.
 *
 *  Author:
 *    Jonathan Blandford <jrb@alum.mit.edu>
 *
 * Evince is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Evince 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <string.h>
#include <gtk/gtk.h>

#include "ev-sidebar-bookmarks.h"

struct _EvSidebarBookmarksPrivate {
	GtkWidget *tree_view;
	GtkTreeModel *model;
	EvDocument *current_document;
};

enum {
	BOOKMARKS_COLUMN_MARKUP,
	BOOKMARKS_COLUMN_OUTLINE,
	BOOKMARKS_COLUMN_PAGE_NUM,
	BOOKMARKS_COLUMN_PAGE_VALID,
	BOOKMARKS_COLUMN_NUM_COLUMNS
};

static void bookmarks_page_num_func (GtkTreeViewColumn *tree_column,
				     GtkCellRenderer   *cell,
				     GtkTreeModel      *tree_model,
				     GtkTreeIter       *iter,
				     gpointer           data);

G_DEFINE_TYPE (EvSidebarBookmarks, ev_sidebar_bookmarks, GTK_TYPE_VBOX)

#define EV_SIDEBAR_BOOKMARKS_GET_PRIVATE(object) \
	(G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_BOOKMARKS, EvSidebarBookmarksPrivate))

static void
ev_sidebar_bookmarks_class_init (EvSidebarBookmarksClass *ev_sidebar_bookmarks_class)
{
	GObjectClass *g_object_class;

	g_object_class = G_OBJECT_CLASS (ev_sidebar_bookmarks_class);

	g_type_class_add_private (g_object_class, sizeof (EvSidebarBookmarksPrivate));

}


static void
ev_sidebar_bookmarks_construct (EvSidebarBookmarks *ev_sidebar_bookmarks)
{
	EvSidebarBookmarksPrivate *priv;
	GtkWidget *swindow;
	GtkTreeViewColumn *column;
	GtkCellRenderer *renderer;

	priv = ev_sidebar_bookmarks->priv;
	priv->model = (GtkTreeModel *) gtk_tree_store_new (BOOKMARKS_COLUMN_NUM_COLUMNS,
							   G_TYPE_STRING,
							   G_TYPE_POINTER,
							   G_TYPE_INT,
							   G_TYPE_BOOLEAN);

	swindow = gtk_scrolled_window_new (NULL, NULL);

	gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
					GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
	gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (swindow),
					     GTK_SHADOW_IN);

	/* Create tree view */
	priv->tree_view = gtk_tree_view_new ();
	gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->tree_view), FALSE);
	gtk_container_add (GTK_CONTAINER (swindow), priv->tree_view);
	gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (priv->tree_view), TRUE);

	gtk_box_pack_start (GTK_BOX (ev_sidebar_bookmarks), swindow, TRUE, TRUE, 0);
	gtk_widget_show_all (GTK_WIDGET (ev_sidebar_bookmarks));
		
	column = gtk_tree_view_column_new ();
	gtk_tree_view_column_set_expand (GTK_TREE_VIEW_COLUMN (column), TRUE);
	gtk_tree_view_append_column (GTK_TREE_VIEW (priv->tree_view), column);

	renderer = (GtkCellRenderer*)
		g_object_new (GTK_TYPE_CELL_RENDERER_TEXT,
			      "ellipsize", PANGO_ELLIPSIZE_END,
			      NULL);
	gtk_tree_view_column_pack_start (GTK_TREE_VIEW_COLUMN (column), renderer, TRUE);
	gtk_tree_view_column_set_attributes (GTK_TREE_VIEW_COLUMN (column), renderer,
					     "markup", BOOKMARKS_COLUMN_MARKUP,
					     NULL);
		
	renderer = gtk_cell_renderer_text_new ();
	gtk_tree_view_column_pack_end (GTK_TREE_VIEW_COLUMN (column), renderer, FALSE);
	gtk_tree_view_column_set_cell_data_func (GTK_TREE_VIEW_COLUMN (column), renderer,
						 (GtkTreeCellDataFunc) bookmarks_page_num_func,
						 NULL, NULL);

}

static void
ev_sidebar_bookmarks_init (EvSidebarBookmarks *ev_sidebar_bookmarks)
{
	ev_sidebar_bookmarks->priv = EV_SIDEBAR_BOOKMARKS_GET_PRIVATE (ev_sidebar_bookmarks);

	ev_sidebar_bookmarks_construct (ev_sidebar_bookmarks);
}

static void
bookmarks_page_num_func (GtkTreeViewColumn *tree_column,
			 GtkCellRenderer   *cell,
			 GtkTreeModel      *tree_model,
			 GtkTreeIter       *iter,
			 gpointer           data)
{
	int page_num;
	gboolean page_valid;

	gtk_tree_model_get (tree_model, iter,
			    BOOKMARKS_COLUMN_PAGE_NUM, &page_num,
			    BOOKMARKS_COLUMN_PAGE_VALID, &page_valid,
			    -1);

	if (page_valid) {
		gchar *markup = g_strdup_printf ("<i>%d</i>", page_num);
		g_object_set (cell,
			      "markup", markup,
			      "visible", TRUE,
			      NULL);
		g_free (markup);
	} else {
		g_object_set (cell,
			      "visible", FALSE,
			      NULL);
	}
}

/* Public Functions */

GtkWidget *
ev_sidebar_bookmarks_new (void)
{
	GtkWidget *ev_sidebar_bookmarks;

	ev_sidebar_bookmarks = g_object_new (EV_TYPE_SIDEBAR_BOOKMARKS, NULL);

	return ev_sidebar_bookmarks;
}

void
ev_sidebar_bookmarks_set_document (EvSidebarBookmarks *sidebar_bookmarks,
				   EvDocument         *document)
{
	EvSidebarBookmarksPrivate *priv;

	g_return_if_fail (EV_IS_SIDEBAR_BOOKMARKS (sidebar_bookmarks));
	g_return_if_fail (EV_IS_DOCUMENT (document));

	priv = sidebar_bookmarks->priv;

	g_assert (priv->current_document == NULL);

}