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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* nautilus-file-drag.c - Drag & drop handling code that operated on
NautilusFile objects.
Copyright (C) 2000 Eazel, Inc.
The Gnome Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The Gnome 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the Gnome Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
Authors: Pavel Cisler <pavel@eazel.com>,
*/
#include <config.h>
#include "nautilus-file-dnd.h"
#include "nautilus-desktop-icon-file.h"
#include "nautilus-dnd.h"
#include "nautilus-directory.h"
#include <eel/eel-glib-extensions.h>
#include <eel/eel-string.h>
gboolean
nautilus_drag_can_accept_item (NautilusFile *drop_target_item,
const char *item_uri)
{
NautilusDirectory *directory;
gboolean res;
if (nautilus_file_matches_uri (drop_target_item, item_uri)) {
/* can't accept itself */
return FALSE;
}
if (nautilus_file_is_directory (drop_target_item)) {
/* target is a directory, accept if editable */
directory = nautilus_directory_get_for_file (drop_target_item);
res = nautilus_directory_is_editable (directory);
nautilus_directory_unref (directory);
return res;
}
if (NAUTILUS_IS_DESKTOP_ICON_FILE (drop_target_item)) {
return TRUE;
}
/* All Nautilus links are assumed to be links to directories.
* Therefore, they all can accept drags, like all other
* directories to. As with other directories, there can be
* errors when the actual copy is attempted due to
* permissions.
*/
if (nautilus_file_is_nautilus_link (drop_target_item)) {
return TRUE;
}
return FALSE;
}
gboolean
nautilus_drag_can_accept_items (NautilusFile *drop_target_item,
const GList *items)
{
int max;
if (drop_target_item == NULL)
return FALSE;
g_assert (NAUTILUS_IS_FILE (drop_target_item));
/* Iterate through selection checking if item will get accepted by the
* drop target. If more than 100 items selected, return an over-optimisic
* result
*/
for (max = 100; items != NULL && max >= 0; items = items->next, max--) {
if (!nautilus_drag_can_accept_item (drop_target_item,
((NautilusDragSelectionItem *)items->data)->uri)) {
return FALSE;
}
}
return TRUE;
}
void
nautilus_drag_file_receive_dropped_keyword (NautilusFile *file, const char *keyword)
{
GList *keywords, *word;
g_return_if_fail (NAUTILUS_IS_FILE (file));
g_return_if_fail (keyword != NULL);
/* special case the erase emblem */
if (strcmp (keyword, NAUTILUS_FILE_DND_ERASE_KEYWORD) == 0) {
keywords = NULL;
} else {
keywords = nautilus_file_get_keywords (file);
word = g_list_find_custom (keywords, keyword, (GCompareFunc) strcmp);
if (word == NULL) {
keywords = g_list_prepend (keywords, g_strdup (keyword));
} else {
keywords = g_list_remove_link (keywords, word);
g_free (word->data);
g_list_free_1 (word);
}
}
nautilus_file_set_keywords (file, keywords);
eel_g_list_free_deep (keywords);
}
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