/*
* 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 <gnome-xml/xmlmemory.h>
#include "filter-rule.h"
#include "filter-context.h"
#define d(x)
static xmlNodePtr xml_encode(FilterRule *);
static int xml_decode(FilterRule *, xmlNodePtr, RuleContext *);
static void build_code(FilterRule *, GString *out);
static GtkWidget *get_widget(FilterRule *fr, struct _RuleContext *f);
static void filter_rule_class_init (FilterRuleClass *class);
static void filter_rule_init (FilterRule *gspaper);
static void filter_rule_finalise (GtkObject *obj);
#define _PRIVATE(x) (((FilterRule *)(x))->priv)
struct _FilterRulePrivate {
GtkWidget *parts; /* where the parts are stored */
};
static GtkObjectClass *parent_class;
enum {
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
guint
filter_rule_get_type (void)
{
static guint type = 0;
if (!type) {
GtkTypeInfo type_info = {
"FilterRule",
sizeof(FilterRule),
sizeof(FilterRuleClass),
(GtkClassInitFunc)filter_rule_class_init,
(GtkObjectInitFunc)filter_rule_init,
(GtkArgSetFunc)NULL,
(GtkArgGetFunc)NULL
};
type = gtk_type_unique(gtk_object_get_type (), &type_info);
}
return type;
}
static void
filter_rule_class_init (FilterRuleClass *class)
{
GtkObjectClass *object_class;
object_class = (GtkObjectClass *)class;
parent_class = gtk_type_class(gtk_object_get_type ());
object_class->finalize = filter_rule_finalise;
/* override methods */
class->xml_encode = xml_encode;
class->xml_decode = xml_decode;
class->build_code = build_code;
class->get_widget = get_widget;
/* signals */
gtk_object_class_add_signals(object_class, signals, LAST_SIGNAL);
}
static void
filter_rule_init (FilterRule *o)
{
o->priv = g_malloc0(sizeof(*o->priv));
}
static void
unref_list(GList *l)
{
while (l) {
gtk_object_unref((GtkObject *)l->data);
l = g_list_next(l);
}
}
static void
filter_rule_finalise(GtkObject *obj)
{
FilterRule *o = (FilterRule *)obj;
g_free(o->name);
unref_list(o->parts);
((GtkObjectClass *)(parent_class))->finalize(obj);
}
/**
* filter_rule_new:
*
* Create a new FilterRule object.
*
* Return value: A new #FilterRule object.
**/
FilterRule *
filter_rule_new(void)
{
FilterRule *o = (FilterRule *)gtk_type_new(filter_rule_get_type ());
return o;
}
void filter_rule_set_name (FilterRule *fr, const char *name)
{
g_free(fr->name);
fr->name = g_strdup(name);
}
xmlNodePtr filter_rule_xml_encode (FilterRule *fr)
{
return ((FilterRuleClass *)((GtkObject *)fr)->klass)->xml_encode(fr);
}
static xmlNodePtr xml_encode(FilterRule *fr)
{
xmlNodePtr node, set, work;
GList *l;
node = xmlNewNode(NULL, "rule");
switch (fr->grouping) {
case FILTER_GROUP_ALL:
xmlSetProp(node, "grouping", "all");
break;
case FILTER_GROUP_ANY:
xmlSetProp(node, "grouping", "any");
break;
}
switch (fr->source) {
case FILTER_SOURCE_INCOMING:
xmlSetProp(node, "source", "incoming");
break;
case FILTER_SOURCE_DEMAND:
xmlSetProp(node, "source", "ondemand");
break;
case FILTER_SOURCE_OUTGOING:
xmlSetProp(node, "source", "outgoing");
break;
}
if (fr->name) {
work = xmlNewNode(NULL, "title");
xmlNodeSetContent(work, fr->name);
xmlAddChild(node, work);
}
set = xmlNewNode(NULL, "partset");
xmlAddChild(node, set);
l = fr->parts;
while (l) {
work = filter_part_xml_encode((FilterPart *)l->data);
xmlAddChild(set, work);
l = g_list_next(l);
}
return node;
}
static void load_set(xmlNodePtr node, FilterRule *fr, RuleContext *f)
{
xmlNodePtr work;
char *rulename;
FilterPart *part;
work = node->childs;
while (work) {
if (!strcmp(work->name, "part")) {
rulename = xmlGetProp(work, "name");
part = rule_context_find_part(f, rulename);
if (part) {
part = filter_part_clone(part);
filter_part_xml_decode(part, work);
filter_rule_add_part(fr, part);
} else {
g_warning("cannot find rule part '%s'\n", rulename);
}
xmlFree(rulename);
} else {
g_warning("Unknwon xml node in part: %s", work->name);
}
work = work->next;
}
}
int filter_rule_xml_decode (FilterRule *fr, xmlNodePtr node, RuleContext *f)
{
return ((FilterRuleClass *)((GtkObject *)fr)->klass)->xml_decode(fr, node, f);
}
static int xml_decode(FilterRule *fr, xmlNodePtr node, RuleContext *f)
{
xmlNodePtr work;
char *grouping;
char *source;
if (fr->name) {
g_free(fr->name);
fr->name = NULL;
}
grouping = xmlGetProp(node, "grouping");
if (!strcmp(grouping, "any"))
fr->grouping = FILTER_GROUP_ANY;
else
fr->grouping = FILTER_GROUP_ALL;
/* FIXME: free source and grouping? */
source = xmlGetProp (node, "source");
if (!source) /*default to incoming*/
fr->source = FILTER_SOURCE_INCOMING;
else if (!strcmp (source, "outgoing"))
fr->source = FILTER_SOURCE_OUTGOING;
else if (!strcmp (source, "ondemand"))
fr->source = FILTER_SOURCE_DEMAND;
else if (!strcmp (source, "incoming"))
fr->source = FILTER_SOURCE_INCOMING;
else {
g_warning ("Unknown filter source type \"%s\"", source);
fr->source = FILTER_SOURCE_INCOMING;
}
work = node->childs;
while (work) {
if (!strcmp(work->name, "partset")) {
load_set(work, fr, f);
} else if (!strcmp(work->name, "title")) {
if (!fr->name)
fr->name = xmlNodeGetContent(work);
}
work = work->next;
}
return 0;
}
void filter_rule_add_part (FilterRule *fr, FilterPart *fp)
{
fr->parts = g_list_append(fr->parts, fp);
}
void filter_rule_remove_part (FilterRule *fr, FilterPart *fp)
{
fr->parts = g_list_remove(fr->parts, fp);
}
void filter_rule_replace_part(FilterRule *fr, FilterPart *fp, FilterPart *new)
{
GList *l;
l = g_list_find(fr->parts, fp);
if (l) {
l->data = new;
} else {
fr->parts = g_list_append(fr->parts, new);
}
}
void filter_rule_build_code (FilterRule *fr, GString *out)
{
return ((FilterRuleClass *)((GtkObject *)fr)->klass)->build_code(fr, out);
}
static void build_code(FilterRule *fr, GString *out)
{
switch (fr->grouping) {
case FILTER_GROUP_ALL:
g_string_append(out, " (and\n ");
break;
case FILTER_GROUP_ANY:
g_string_append(out, " (or\n ");
break;
default:
g_warning("Invalid grouping");
}
filter_part_build_code_list(fr->parts, out);
g_string_append(out, ")\n");
}
static void
match_all(GtkRadioButton *w, FilterRule *fr)
{
if (gtk_toggle_button_get_active((GtkToggleButton *)w))
fr->grouping = FILTER_GROUP_ALL;
}
static void
match_any(GtkRadioButton *w, FilterRule *fr)
{
if (gtk_toggle_button_get_active((GtkToggleButton *)w))
fr->grouping = FILTER_GROUP_ANY;
}
struct _part_data {
FilterRule *fr;
RuleContext *f;
FilterPart *part;
GtkWidget *partwidget, *container;
};
static void option_activate(GtkMenuItem *item, struct _part_data *data)
{
FilterPart *part = gtk_object_get_data((GtkObject *)item, "part");
FilterPart *newpart;
/* dont update if we haven't changed */
if (!strcmp(part->title, data->part->title))
return;
/* here we do a widget shuffle, throw away the old widget/rulepart,
and create another */
if (data->partwidget)
gtk_container_remove((GtkContainer *)data->container, data->partwidget);
newpart = filter_part_clone(part);
filter_rule_replace_part(data->fr, data->part, newpart);
gtk_object_unref((GtkObject *)data->part);
data->part = newpart;
data->partwidget = filter_part_get_widget(newpart);
if (data->partwidget)
gtk_box_pack_start((GtkBox *)data->container, data->partwidget, FALSE, FALSE, 0);
}
static GtkWidget *
get_rule_part_widget(RuleContext *f, FilterPart *newpart, FilterRule *fr)
{
FilterPart *part = NULL;
GtkMenu *menu;
GtkMenuItem *item;
GtkOptionMenu *omenu;
GtkHBox *hbox;
GtkWidget *p;
int index=0, current=0;
struct _part_data *data;
data = g_malloc0(sizeof(*data));
data->fr = fr;
data->f = f;
data->part = newpart;
hbox = (GtkHBox *)gtk_hbox_new(FALSE, 0);
/* only set to automatically clean up the memory */
gtk_object_set_data_full((GtkObject *)hbox, "data", data, g_free);
p = filter_part_get_widget(newpart);
data->partwidget = p;
data->container = (GtkWidget *)hbox;
menu = (GtkMenu *)gtk_menu_new();
/* sigh, this is a little ugly */
while ((part=rule_context_next_part(f, part))) {
item = (GtkMenuItem *)gtk_menu_item_new_with_label(part->title);
gtk_object_set_data((GtkObject *)item, "part", part);
gtk_signal_connect((GtkObject *)item, "activate", option_activate, data);
gtk_menu_append(menu, (GtkWidget *)item);
gtk_widget_show((GtkWidget *)item);
if (!strcmp(newpart->title, part->title)) {
current = index;
}
index++;
}
omenu = (GtkOptionMenu *)gtk_option_menu_new();
gtk_option_menu_set_menu(omenu, (GtkWidget *)menu);
gtk_option_menu_set_history(omenu, current);
gtk_widget_show((GtkWidget *)omenu);
gtk_box_pack_start((GtkBox *)hbox, (GtkWidget *)omenu, FALSE, FALSE, 0);
if (p) {
gtk_box_pack_start((GtkBox *)hbox, p, FALSE, FALSE, 0);
}
gtk_widget_show_all((GtkWidget *)hbox);
return (GtkWidget *)hbox;
}
struct _rule_data {
FilterRule *fr;
RuleContext *f;
GtkWidget *parts;
};
static void
less_parts(GtkWidget *button, struct _rule_data *data)
{
GList *l;
FilterPart *part;
GtkWidget *w;
l = data->fr->parts;
if (g_list_length(l) < 2)
return;
/* remove the last one from the list */
l = g_list_last(l);
part = l->data;
filter_rule_remove_part(data->fr, part);
gtk_object_unref((GtkObject *)part);
/* and from the display */
l = g_list_last(GTK_BOX(data->parts)->children);
w = ((GtkBoxChild *)l->data)->widget;
gtk_container_remove((GtkContainer *)data->parts, w);
}
static void
more_parts(GtkWidget *button, struct _rule_data *data)
{
FilterPart *new;
GtkWidget *w;
/* create a new rule entry, use the first type of rule */
new = rule_context_next_part(data->f, NULL);
if (new) {
new = filter_part_clone(new);
filter_rule_add_part(data->fr, new);
w = get_rule_part_widget(data->f, new, data->fr);
gtk_box_pack_start((GtkBox *)data->parts, w, FALSE, FALSE, 0);
}
}
static void
name_changed(GtkEntry *entry, FilterRule *fr)
{
g_free(fr->name);
fr->name = g_strdup(gtk_entry_get_text(entry));
}
GtkWidget *filter_rule_get_widget (FilterRule *fr, struct _RuleContext *f)
{
return ((FilterRuleClass *)((GtkObject *)fr)->klass)->get_widget(fr, f);
}
static GtkWidget *get_widget(FilterRule *fr, struct _RuleContext *f)
{
GtkVBox *vbox, *parts, *inframe;
GtkHBox *hbox;
GtkWidget *w;
GtkRadioButton *g0, *g1;
GtkFrame *frame;
GtkEntry *name;
GtkLabel *label;
GList *l;
FilterPart *part;
struct _rule_data *data;
/* this stuff should probably be a table, but the
rule parts need to be a vbox */
vbox = (GtkVBox *)gtk_vbox_new(FALSE, 3);
label = (GtkLabel *)gtk_label_new("Name");
name = (GtkEntry *)gtk_entry_new();
if (fr->name)
gtk_entry_set_text(name, fr->name);
hbox = (GtkHBox *)gtk_hbox_new(FALSE, 3);
gtk_box_pack_start((GtkBox *)hbox, (GtkWidget *)label, FALSE, FALSE, 0);
gtk_box_pack_start((GtkBox *)hbox, (GtkWidget *)name, TRUE, TRUE, 0);
gtk_box_pack_start((GtkBox *)vbox, (GtkWidget *)hbox, FALSE, FALSE, 3);
gtk_signal_connect((GtkObject *)name, "changed", name_changed, fr);
frame = (GtkFrame *)gtk_frame_new("Messages matching");
inframe = (GtkVBox *)gtk_vbox_new(FALSE, 3);
gtk_container_add((GtkContainer *)frame, (GtkWidget *)inframe);
hbox = (GtkHBox *)gtk_hbox_new(FALSE, 3);
g0 = (GtkRadioButton *)gtk_radio_button_new_with_label(NULL, "Match all parts");
g1 = (GtkRadioButton *)gtk_radio_button_new_with_label(g0->group, "Match any part");
if (fr->grouping == FILTER_GROUP_ALL) {
gtk_toggle_button_set_active((GtkToggleButton *)g0, TRUE);
} else {
gtk_toggle_button_set_active((GtkToggleButton *)g1, TRUE);
}
gtk_box_pack_start((GtkBox *)hbox, (GtkWidget *)g0, FALSE, FALSE, 0);
gtk_box_pack_start((GtkBox *)hbox, (GtkWidget *)g1, FALSE, FALSE, 0);
gtk_box_pack_start((GtkBox *)inframe, (GtkWidget *)hbox, FALSE, FALSE, 3);
gtk_signal_connect((GtkObject *)g0, "toggled", match_all, fr);
gtk_signal_connect((GtkObject *)g1, "toggled", match_any, fr);
/* this is the parts list, it should probably be inside a scrolling list */
parts = (GtkVBox *)gtk_vbox_new(FALSE, 3);
/* data for the parts part of the display */
data = g_malloc0(sizeof(*data));
data->f = f;
data->fr = fr;
data->parts = (GtkWidget *)parts;
/* only set to automatically clean up the memory */
gtk_object_set_data_full((GtkObject *)vbox, "data", data, g_free);
l = fr->parts;
while (l) {
part = l->data;
w = get_rule_part_widget(f, part, fr);
gtk_box_pack_start((GtkBox *)parts, (GtkWidget *)w, FALSE, FALSE, 3);
l = g_list_next(l);
}
gtk_box_pack_start((GtkBox *)inframe, (GtkWidget *)parts, FALSE, FALSE, 3);
hbox = (GtkHBox *)gtk_hbox_new(FALSE, 3);
w = gtk_button_new_with_label(_("Less"));
gtk_signal_connect((GtkObject *)w, "clicked", less_parts, data);
gtk_box_pack_end((GtkBox *)hbox, (GtkWidget *)w, FALSE, FALSE, 3);
w = gtk_button_new_with_label(_("More"));
gtk_signal_connect((GtkObject *)w, "clicked", more_parts, data);
gtk_box_pack_end((GtkBox *)hbox, (GtkWidget *)w, FALSE, FALSE, 3);
gtk_box_pack_start((GtkBox *)inframe, (GtkWidget *)hbox, FALSE, FALSE, 3);
gtk_box_pack_start((GtkBox *)vbox, (GtkWidget *)frame, FALSE, FALSE, 3);
gtk_widget_show_all((GtkWidget *)vbox);
return (GtkWidget *)vbox;
}
FilterRule *filter_rule_next_list (GList *l, FilterRule *last)
{
GList *node = l;
if (last != NULL) {
node = g_list_find(node, last);
if (node == NULL)
node = l;
else
node = g_list_next(node);
}
if (node)
return node->data;
return NULL;
}
FilterRule *filter_rule_find_list (GList *l, const char *name)
{
while (l) {
FilterRule *rule = l->data;
if (!strcmp(rule->name, name))
return rule;
l = g_list_next(l);
}
return NULL;
}
