/*
* Copyright (C) 2000 Helix Code Inc.
*
* Authors: Not Zed <notzed@lostzed.mmc.com.au>
*
* This program 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.
*
* 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 Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <gtk/gtk.h>
#include <gnome.h>
#include <glade/glade.h>
#include "filter-editor.h"
#include "filter-context.h"
#include "filter-filter.h"
#define d(x)
#if 0
static void filter_editor_class_init (FilterEditorClass *class);
static void filter_editor_init (FilterEditor *gspaper);
static void filter_editor_finalise (GtkObject *obj);
#define _PRIVATE(x) (((FilterEditor *)(x))->priv)
struct _FilterEditorPrivate {
};
static GnomeDialogClass *parent_class;
enum {
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
guint
filter_editor_get_type (void)
{
static guint type = 0;
if (!type) {
GtkTypeInfo type_info = {
"FilterEditor",
sizeof(FilterEditor),
sizeof(FilterEditorClass),
(GtkClassInitFunc)filter_editor_class_init,
(GtkObjectInitFunc)filter_editor_init,
(GtkArgSetFunc)NULL,
(GtkArgGetFunc)NULL
};
type = gtk_type_unique(gnome_dialog_get_type (), &type_info);
}
return type;
}
static void
filter_editor_class_init (FilterEditorClass *class)
{
GtkObjectClass *object_class;
object_class = (GtkObjectClass *)class;
parent_class = gtk_type_class(gnome_dialog_get_type ());
object_class->finalize = filter_editor_finalise;
/* override methods */
/* signals */
gtk_object_class_add_signals(object_class, signals, LAST_SIGNAL);
}
static void
filter_editor_init (FilterEditor *o)
{
o->priv = g_malloc0(sizeof(*o->priv));
}
static void
filter_editor_finalise(GtkObject *obj)
{
FilterEditor *o = (FilterEditor *)obj;
((GtkObjectClass *)(parent_class))->finalize(obj);
}
/**
* filter_editor_new:
*
* Create a new FilterEditor object.
*
* Return value: A new #FilterEditor object.
**/
FilterEditor *
filter_editor_new(void)
{
FilterEditor *o = (FilterEditor *)gtk_type_new(filter_editor_get_type ());
return o;
}
#endif
enum {
BUTTON_ADD,
BUTTON_EDIT,
BUTTON_DELETE,
BUTTON_UP,
BUTTON_DOWN,
BUTTON_LAST
};
struct _editor_data {
RuleContext *f;
FilterRule *current;
GtkList *list;
GtkButton *buttons[BUTTON_LAST];
enum _filter_source_t current_source;
};
static void set_sensitive(struct _editor_data *data);
static void rule_add(GtkWidget *widget, struct _editor_data *data)
{
FilterFilter *rule;
int result;
GnomeDialog *gd;
GtkWidget *w;
FilterPart *part;
d(printf("add rule\n"));
/* create a new rule with 1 match and 1 action */
rule = filter_filter_new();
((FilterRule *)rule)->source = data->current_source;
part = rule_context_next_part(data->f, NULL);
filter_rule_add_part((FilterRule *)rule, filter_part_clone(part));
part = filter_context_next_action((FilterContext *)data->f, NULL);
filter_filter_add_action(rule, filter_part_clone(part));
w = filter_rule_get_widget((FilterRule *)rule, data->f);
gd = (GnomeDialog *)gnome_dialog_new(_("Add Rule"), GNOME_STOCK_BUTTON_OK, GNOME_STOCK_BUTTON_CANCEL, NULL);
gtk_box_pack_start((GtkBox *)gd->vbox, w, FALSE, TRUE, 0);
gtk_widget_show((GtkWidget *)gd);
result = gnome_dialog_run_and_close(gd);
if (result == 0) {
GtkListItem *item = (GtkListItem *)gtk_list_item_new_with_label(((FilterRule *)rule)->name);
GList *l = NULL;
gtk_object_set_data((GtkObject *)item, "rule", rule);
gtk_widget_show((GtkWidget *)item);
l = g_list_append(l, item);
gtk_list_append_items(data->list, l);
gtk_list_select_child(data->list, (GtkWidget *)item);
data->current = (FilterRule *)rule;
rule_context_add_rule(data->f, (FilterRule *)rule);
set_sensitive(data);
} else {
gtk_object_unref((GtkObject *)rule);
}
}
static void rule_edit(GtkWidget *widget, struct _editor_data *data)
{
GtkWidget *w;
int result;
GnomeDialog *gd;
FilterRule *rule;
int pos;
d(printf("edit rule\n"));
rule = data->current;
w = filter_rule_get_widget(rule, data->f);
gd = (GnomeDialog *)gnome_dialog_new(_("Edit Rule"),
GNOME_STOCK_BUTTON_OK, GNOME_STOCK_BUTTON_CANCEL,
NULL);
gtk_box_pack_start((GtkBox *)gd->vbox, w, FALSE, TRUE, 0);
gtk_widget_show((GtkWidget *)gd);
result = gnome_dialog_run_and_close(gd);
if (result == 0) {
pos = rule_context_get_rank_rule_with_source (data->f, data->current, data->current_source);
if (pos != -1) {
GtkListItem *item = g_list_nth_data(data->list->children, pos);
gtk_label_set_text((GtkLabel *)(((GtkBin *)item)->child), data->current->name);
}
}
}
static void rule_delete(GtkWidget *widget, struct _editor_data *data)
{
int pos;
GList *l;
GtkListItem *item;
d(printf("ddelete rule\n"));
pos = rule_context_get_rank_rule_with_source (data->f, data->current, data->current_source);
if (pos != -1) {
rule_context_remove_rule(data->f, data->current);
item = g_list_nth_data(data->list->children, pos);
l = g_list_append(NULL, item);
gtk_list_remove_items(data->list, l);
g_list_free(l);
gtk_object_unref((GtkObject *)data->current);
data->current = NULL;
}
set_sensitive(data);
}
static void rule_move(struct _editor_data *data, int from, int to)
{
GList *l;
GtkListItem *item;
d(printf("moving %d to %d\n", from, to));
rule_context_rank_rule(data->f, data->current, to);
item = g_list_nth_data(data->list->children, from);
l = g_list_append(NULL, item);
gtk_list_remove_items_no_unref(data->list, l);
gtk_list_insert_items(data->list, l, to);
gtk_list_select_child(data->list, (GtkWidget *)item);
set_sensitive(data);
}
static void rule_up(GtkWidget *widget, struct _editor_data *data)
{
int pos;
d(printf("up rule\n"));
pos = rule_context_get_rank_rule_with_source(data->f, data->current, data->current_source);
if (pos>0) {
rule_move(data, pos, pos-1);
}
}
static void rule_down(GtkWidget *widget, struct _editor_data *data)
{
int pos;
d(printf("down rule\n"));
pos = rule_context_get_rank_rule_with_source(data->f, data->current, data->current_source);
rule_move(data, pos, pos+1);
}
static struct {
char *name;
GtkSignalFunc func;
} edit_buttons[] = {
{ "rule_add", rule_add },
{ "rule_edit", rule_edit },
{ "rule_delete", rule_delete },
{ "rule_up", rule_up },
{ "rule_down", rule_down },
};
static void
set_sensitive(struct _editor_data *data)
{
FilterRule *rule = NULL;
int index=-1, count=0;
while ((rule = rule_context_next_rule(data->f, rule))) {
if (rule == data->current)
index=count;
count++;
}
d(printf("index = %d count=%d\n", index, count));
count--;
gtk_widget_set_sensitive((GtkWidget *)data->buttons[BUTTON_EDIT], index != -1);
gtk_widget_set_sensitive((GtkWidget *)data->buttons[BUTTON_DELETE], index != -1);
gtk_widget_set_sensitive((GtkWidget *)data->buttons[BUTTON_UP], index > 0);
gtk_widget_set_sensitive((GtkWidget *)data->buttons[BUTTON_DOWN], index >=0 && index<count);
}
static void
select_rule(GtkWidget *w, GtkWidget *child, struct _editor_data *data)
{
data->current = gtk_object_get_data((GtkObject *)child, "rule");
if (data->current)
d(printf("seledct rule: %s\n", data->current->name));
else
d(printf("bad data?\n"));
set_sensitive(data);
}
/* FIXME: we need a way to change a rule from one source type
* to a different type. Maybe keep the selected ones?
*/
static void
select_source (GtkMenuItem *mi, struct _editor_data *data)
{
FilterRule *rule = NULL;
GList *newitems = NULL;
enum _filter_source_t source;
source = (enum _filter_source_t) GPOINTER_TO_INT (
gtk_object_get_data (GTK_OBJECT (mi), "number"));
gtk_list_clear_items (GTK_LIST (data->list), 0, -1);
d(printf("Checking for rules that are of type %d\n", source));
while ((rule = rule_context_next_rule (data->f, rule)) != NULL) {
GtkWidget *item;
if (rule->source != source) {
d(printf(" skipping %s: %d != %d\n", rule->name, rule->source, source));
continue;
}
d(printf(" hit %s (%d)\n", rule->name, source));
item = gtk_list_item_new_with_label (rule->name);
gtk_object_set_data (GTK_OBJECT (item), "rule", rule);
gtk_widget_show (GTK_WIDGET (item));
newitems = g_list_append (newitems, item);
}
gtk_list_append_items (data->list, newitems);
data->current_source = source;
data->current = NULL;
set_sensitive (data);
}
GtkWidget *filter_editor_construct (struct _FilterContext *f)
{
GladeXML *gui;
GtkWidget *d, *w, *b, *firstitem = NULL;
GList *l;
struct _editor_data *data;
int i;
g_assert(IS_FILTER_CONTEXT(f));
data = g_malloc0(sizeof(*data));
data->f = (RuleContext *)f;
gui = glade_xml_new(FILTER_GLADEDIR "/filter.glade", "edit_filter");
d = glade_xml_get_widget (gui, "edit_filter");
gtk_object_set_data_full((GtkObject *)d, "data", data, g_free);
gtk_window_set_title((GtkWindow *)d, "Edit Filters");
for (i=0;i<BUTTON_LAST;i++) {
data->buttons[i] = (GtkButton *)w = glade_xml_get_widget (gui, edit_buttons[i].name);
gtk_signal_connect((GtkObject *)w, "clicked", edit_buttons[i].func, data);
}
w = glade_xml_get_widget (gui, "filter_source");
l = GTK_MENU_SHELL(GTK_OPTION_MENU(w)->menu)->children;
i = 0;
while (l) {
b = GTK_WIDGET (l->data);
if (i == 0)
firstitem = b;
/* make sure that the glade is in sync with enum _filter_source_t! */
gtk_object_set_data (GTK_OBJECT (b), "number", GINT_TO_POINTER (i));
gtk_signal_connect (GTK_OBJECT (b), "activate", select_source, data);
i++;
l = l->next;
}
w = glade_xml_get_widget (gui, "rule_list");
data->list = (GtkList *)w;
gtk_signal_connect((GtkObject *)w, "select_child", select_rule, data);
select_source (GTK_MENU_ITEM (firstitem), data);
gtk_object_unref((GtkObject *)gui);
return d;
}