/*
* 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:
* Jeffrey Stedfast <fejj@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#include <config.h>
#include <string.h>
#include <sys/types.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <glib/gstdio.h>
#include <libedataserver/e-sexp.h>
#include "e-util/e-error.h"
#include "filter-file.h"
#define d(x)
static gboolean validate (FilterElement *fe);
static gint file_eq (FilterElement *fe, FilterElement *cm);
static void xml_create (FilterElement *fe, xmlNodePtr node);
static xmlNodePtr xml_encode (FilterElement *fe);
static gint xml_decode (FilterElement *fe, xmlNodePtr node);
static GtkWidget *get_widget (FilterElement *fe);
static void build_code (FilterElement *fe, GString *out, struct _FilterPart *ff);
static void format_sexp (FilterElement *, GString *);
static void filter_file_class_init (FilterFileClass *klass);
static void filter_file_init (FilterFile *ff);
static void filter_file_finalise (GObject *obj);
static FilterElementClass *parent_class = NULL;
GType
filter_file_get_type (void)
{
static GType type = 0;
if (!type) {
static const GTypeInfo info = {
sizeof (FilterFileClass),
NULL, /* base_class_init */
NULL, /* base_class_finalize */
(GClassInitFunc) filter_file_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (FilterFile),
0, /* n_preallocs */
(GInstanceInitFunc) filter_file_init,
};
type = g_type_register_static (FILTER_TYPE_ELEMENT, "FilterFile", &info, 0);
}
return type;
}
static void
filter_file_class_init (FilterFileClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
FilterElementClass *fe_class = FILTER_ELEMENT_CLASS (klass);
parent_class = g_type_class_ref (FILTER_TYPE_ELEMENT);
object_class->finalize = filter_file_finalise;
/* override methods */
fe_class->validate = validate;
fe_class->eq = file_eq;
fe_class->xml_create = xml_create;
fe_class->xml_encode = xml_encode;
fe_class->xml_decode = xml_decode;
fe_class->get_widget = get_widget;
fe_class->build_code = build_code;
fe_class->format_sexp = format_sexp;
}
static void
filter_file_init (FilterFile *ff)
{
;
}
static void
filter_file_finalise (GObject *obj)
{
FilterFile *ff = (FilterFile *) obj;
xmlFree (ff->type);
g_free (ff->path);
G_OBJECT_CLASS (parent_class)->finalize (obj);
}
/**
* filter_file_new:
*
* Create a new FilterFile object.
*
* Return value: A new #FilterFile object.
**/
FilterFile *
filter_file_new (void)
{
return (FilterFile *) g_object_new (FILTER_TYPE_FILE, NULL, NULL);
}
FilterFile *
filter_file_new_type_name (const gchar *type)
{
FilterFile *file;
file = filter_file_new ();
file->type = (gchar *)xmlStrdup ((xmlChar *)type);
return file;
}
void
filter_file_set_path (FilterFile *file, const gchar *path)
{
g_free (file->path);
file->path = g_strdup (path);
}
static gboolean
validate (FilterElement *fe)
{
FilterFile *file = (FilterFile *) fe;
if (!file->path) {
/* FIXME: FilterElement should probably have a
GtkWidget member pointing to the value gotten with
::get_widget() so that we can get the parent window
here. */
e_error_run(NULL, "filter:no-file", NULL);
return FALSE;
}
/* FIXME: do more to validate command-lines? */
if (strcmp (file->type, "file") == 0) {
if (!g_file_test (file->path, G_FILE_TEST_IS_REGULAR)) {
/* FIXME: FilterElement should probably have a
GtkWidget member pointing to the value gotten with
::get_widget() so that we can get the parent window
here. */
e_error_run(NULL, "filter:bad-file", file->path, NULL);
return FALSE;
}
} else if (strcmp (file->type, "command") == 0) {
/* only requirements so far is that the command can't
be an empty string */
return file->path[0] != '\0';
}
return TRUE;
}
static int
file_eq (FilterElement *fe, FilterElement *cm)
{
FilterFile *ff = (FilterFile *)fe, *cf = (FilterFile *)cm;
return FILTER_ELEMENT_CLASS (parent_class)->eq (fe, cm)
&& ((ff->path && cf->path && strcmp (ff->path, cf->path) == 0)
|| (ff->path == NULL && cf->path == NULL))
&& ((ff->type && cf->type && strcmp (ff->type, cf->type) == 0)
|| (ff->type == NULL && cf->type == NULL));
}
static void
xml_create (FilterElement *fe, xmlNodePtr node)
{
/* parent implementation */
FILTER_ELEMENT_CLASS (parent_class)->xml_create (fe, node);
}
static xmlNodePtr
xml_encode (FilterElement *fe)
{
FilterFile *file = (FilterFile *) fe;
xmlNodePtr cur, value;
const gchar *type;
type = file->type ? file->type : "file";
d(printf ("Encoding %s as xml\n", type));
value = xmlNewNode (NULL, (const guchar *)"value");
xmlSetProp (value, (const guchar *)"name", (guchar *)fe->name);
xmlSetProp (value, (const guchar *)"type", (guchar *)type);
cur = xmlNewChild (value, NULL, (guchar *)type, NULL);
xmlNodeSetContent (cur, (guchar *)file->path);
return value;
}
static int
xml_decode (FilterElement *fe, xmlNodePtr node)
{
FilterFile *file = (FilterFile *)fe;
gchar *name, *str, *type;
xmlNodePtr n;
name = (gchar *)xmlGetProp (node, (const guchar *)"name");
type = (gchar *)xmlGetProp (node, (const guchar *)"type");
d(printf("Decoding %s from xml %p\n", type, fe));
d(printf ("Name = %s\n", name));
xmlFree (fe->name);
fe->name = name;
xmlFree (file->type);
file->type = type;
g_free (file->path);
file->path = NULL;
n = node->children;
while (n != NULL) {
if (!strcmp ((gchar *)n->name, type)) {
str = (gchar *)xmlNodeGetContent (n);
file->path = g_strdup (str ? str : "");
xmlFree (str);
d(printf (" '%s'\n", file->path));
break;
} else if (n->type == XML_ELEMENT_NODE) {
g_warning ("Unknown node type '%s' encountered decoding a %s\n", n->name, type);
}
n = n->next;
}
return 0;
}
static void
filename_changed (GtkWidget *widget, FilterElement *fe)
{
FilterFile *file = (FilterFile *) fe;
const gchar *new;
new = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (widget));
g_free (file->path);
file->path = g_strdup (new);
}
static GtkWidget *
get_widget (FilterElement *fe)
{
FilterFile *file = (FilterFile *) fe;
GtkWidget *filewidget;
filewidget = (GtkWidget *) gtk_file_chooser_button_new (_("Choose a file"), GTK_FILE_CHOOSER_ACTION_OPEN);
gtk_file_chooser_set_filename (GTK_FILE_CHOOSER (filewidget), file->path);
g_signal_connect (GTK_FILE_CHOOSER_BUTTON (filewidget), "selection-changed",
G_CALLBACK (filename_changed), fe);
return filewidget;
}
static void
build_code (FilterElement *fe, GString *out, struct _FilterPart *ff)
{
return;
}
static void
format_sexp (FilterElement *fe, GString *out)
{
FilterFile *file = (FilterFile *) fe;
e_sexp_encode_string (out, file->path);
}