/*
 *
 * This program 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 of the License, or (at your option) version 3.
 *
 * This program 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 the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *		Chris Lahey <clahey@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <glib/gi18n.h>
#include "e-util/e-util.h"
#include "e-util/e-util-private.h"
#include "e-util/e-unicode.h"

#include "gal-define-views-model.h"
#include "gal-view-new-dialog.h"

enum {
	PROP_0,
	PROP_NAME,
	PROP_FACTORY
};

G_DEFINE_TYPE (GalViewNewDialog, gal_view_new_dialog, GTK_TYPE_DIALOG)

static void
gal_view_new_dialog_set_property (GObject *object,
                                  guint property_id,
                                  const GValue *value,
                                  GParamSpec *pspec)
{
	GalViewNewDialog *dialog;
	GtkWidget *entry;

	dialog = GAL_VIEW_NEW_DIALOG (object);

	switch (property_id) {
	case PROP_NAME:
		entry = e_builder_get_widget (dialog->builder, "entry-name");
		if (entry && GTK_IS_ENTRY (entry)) {
			gtk_entry_set_text (GTK_ENTRY (entry), g_value_get_string (value));
		}
		break;
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
		return;
	}
}

static void
gal_view_new_dialog_get_property (GObject *object,
                                  guint property_id,
                                  GValue *value,
                                  GParamSpec *pspec)
{
	GalViewNewDialog *dialog;
	GtkWidget *entry;

	dialog = GAL_VIEW_NEW_DIALOG (object);

	switch (property_id) {
	case PROP_NAME:
		entry = e_builder_get_widget (dialog->builder, "entry-name");
		if (entry && GTK_IS_ENTRY (entry)) {
			g_value_set_string (value, gtk_entry_get_text (GTK_ENTRY (entry)));
		}
		break;
	case PROP_FACTORY:
		g_value_set_object (value, dialog->selected_factory);
		break;
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
		break;
	}
}

static void
gal_view_new_dialog_dispose (GObject *object)
{
	GalViewNewDialog *gal_view_new_dialog = GAL_VIEW_NEW_DIALOG (object);

	if (gal_view_new_dialog->builder)
		g_object_unref (gal_view_new_dialog->builder);
	gal_view_new_dialog->builder = NULL;

	/* Chain up to parent's dispose() method. */
	G_OBJECT_CLASS (gal_view_new_dialog_parent_class)->dispose (object);
}

static void
gal_view_new_dialog_class_init (GalViewNewDialogClass *class)
{
	GObjectClass *object_class;

	object_class = G_OBJECT_CLASS (class);
	object_class->set_property = gal_view_new_dialog_set_property;
	object_class->get_property = gal_view_new_dialog_get_property;
	object_class->dispose = gal_view_new_dialog_dispose;

	g_object_class_install_property (
		object_class,
		PROP_NAME,
		g_param_spec_string (
			"name",
			"Name",
			NULL,
			NULL,
			G_PARAM_READWRITE));

	g_object_class_install_property (
		object_class,
		PROP_FACTORY,
		g_param_spec_object (
			"factory",
			"Factory",
			NULL,
			GAL_TYPE_VIEW_FACTORY,
			G_PARAM_READWRITE));
}

static void
gal_view_new_dialog_init (GalViewNewDialog *dialog)
{
	GtkWidget *content_area;
	GtkWidget *parent;
	GtkWidget *widget;

	dialog->builder = gtk_builder_new ();
	e_load_ui_builder_definition (
		dialog->builder, "gal-view-new-dialog.ui");

	widget = e_builder_get_widget (dialog->builder, "table-top");
	if (!widget) {
		return;
	}

	g_object_ref (widget);

	parent = gtk_widget_get_parent (widget);
	gtk_container_remove (GTK_CONTAINER (parent), widget);

	content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
	gtk_box_pack_start (GTK_BOX (content_area), widget, TRUE, TRUE, 0);

	g_object_unref (widget);

	gtk_dialog_add_buttons (
		GTK_DIALOG (dialog),
		GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
		GTK_STOCK_OK, GTK_RESPONSE_OK, NULL);

	gtk_window_set_resizable (GTK_WINDOW (dialog), TRUE);
	gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
	gtk_window_set_title (GTK_WINDOW (dialog), _("Define New View"));

	dialog->collection = NULL;
	dialog->selected_factory = NULL;
}

GtkWidget *
gal_view_new_dialog_new (GalViewCollection *collection)
{
	GtkWidget *widget =
		gal_view_new_dialog_construct (g_object_new (GAL_VIEW_NEW_DIALOG_TYPE, NULL),
					      collection);
	return widget;
}

static void
sensitize_ok_response (GalViewNewDialog *dialog)
{
	gboolean ok = TRUE;
	const gchar *text;

	text = gtk_entry_get_text (GTK_ENTRY (dialog->entry));
	if (!text || !text[0])
		ok = FALSE;

	if (!dialog->selected_factory)
		ok = FALSE;

	gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog), GTK_RESPONSE_OK, ok);
}

static gboolean
selection_func (GtkTreeSelection *selection,
                GtkTreeModel *model,
                GtkTreePath *path,
                gboolean path_currently_selected,
                gpointer data)
{
	GtkTreeIter iter;
	GalViewNewDialog *dialog = data;

	if (path_currently_selected)
		return TRUE;

	model = GTK_TREE_MODEL (dialog->list_store);

	gtk_tree_model_get_iter (model, &iter, path);
	gtk_tree_model_get (model, &iter, 1, &dialog->selected_factory, -1);

	sensitize_ok_response (dialog);

	return TRUE;
}

static void
entry_changed (GtkWidget *entry,
               gpointer data)
{
	GalViewNewDialog *dialog = data;

	sensitize_ok_response (dialog);
}

GtkWidget *
gal_view_new_dialog_construct (GalViewNewDialog *dialog,
                               GalViewCollection *collection)
{
	GList *iterator;
	GtkTreeSelection *selection;
	GtkTreeViewColumn *column;
	GtkCellRenderer *rend;

	dialog->collection = collection;
	dialog->list = e_builder_get_widget (dialog->builder,"list-type-list");
	dialog->entry = e_builder_get_widget (dialog->builder, "entry-name");

	dialog->list_store = gtk_list_store_new (
		2, G_TYPE_STRING, G_TYPE_POINTER);

	rend = gtk_cell_renderer_text_new ();
	column = gtk_tree_view_column_new_with_attributes (
		"factory title", rend, "text", 0, NULL);

	gtk_tree_view_append_column (GTK_TREE_VIEW (dialog->list), column);

	iterator = dialog->collection->factory_list;
	for (; iterator; iterator = g_list_next (iterator) ) {
		GalViewFactory *factory = iterator->data;
		GtkTreeIter iter;

		g_object_ref (factory);
		gtk_list_store_append (
			dialog->list_store, &iter);
		gtk_list_store_set (
			dialog->list_store, &iter,
			0, gal_view_factory_get_title (factory),
			1, factory,
			-1);
	}

	gtk_tree_view_set_model (
		GTK_TREE_VIEW (dialog->list),
		GTK_TREE_MODEL (dialog->list_store));

	selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (dialog->list));

	gtk_tree_selection_set_select_function (
		selection, selection_func, dialog, NULL);

	g_signal_connect (
		dialog->entry, "changed",
		G_CALLBACK (entry_changed), dialog);

	sensitize_ok_response (dialog);

	return GTK_WIDGET (dialog);
}