/*
* 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 <e-util/e-unicode.h>
#include "filter-filter.h"
#include "filter-context.h"
#define d(x)
static xmlNodePtr xml_encode(FilterRule *);
static int xml_decode(FilterRule *, xmlNodePtr, struct _RuleContext *f);
/*static void build_code(FilterRule *, GString *out);*/
static GtkWidget *get_widget(FilterRule *fr, struct _RuleContext *f);
static void filter_filter_class_init (FilterFilterClass *class);
static void filter_filter_init (FilterFilter *gspaper);
static void filter_filter_finalise (GtkObject *obj);
#define _PRIVATE(x) (((FilterFilter *)(x))->priv)
struct _FilterFilterPrivate {
};
static FilterRuleClass *parent_class;
enum {
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
guint
filter_filter_get_type (void)
{
static guint type = 0;
if (!type) {
GtkTypeInfo type_info = {
"FilterFilter",
sizeof(FilterFilter),
sizeof(FilterFilterClass),
(GtkClassInitFunc)filter_filter_class_init,
(GtkObjectInitFunc)filter_filter_init,
(GtkArgSetFunc)NULL,
(GtkArgGetFunc)NULL
};
type = gtk_type_unique(filter_rule_get_type (), &type_info);
}
return type;
}
static void
filter_filter_class_init (FilterFilterClass *class)
{
GtkObjectClass *object_class;
FilterRuleClass *filter_rule = (FilterRuleClass *)class;
object_class = (GtkObjectClass *)class;
parent_class = gtk_type_class(filter_rule_get_type ());
object_class->finalize = filter_filter_finalise;
/* override methods */
filter_rule->xml_encode = xml_encode;
filter_rule->xml_decode = xml_decode;
/*filter_rule->build_code = build_code;*/
filter_rule->get_widget = get_widget;
/* signals */
gtk_object_class_add_signals(object_class, signals, LAST_SIGNAL);
}
static void
filter_filter_init (FilterFilter *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_filter_finalise(GtkObject *obj)
{
FilterFilter *o = (FilterFilter *)obj;
unref_list(o->actions);
((GtkObjectClass *)(parent_class))->finalize(obj);
}
/**
* filter_filter_new:
*
* Create a new FilterFilter object.
*
* Return value: A new #FilterFilter object.
**/
FilterFilter *
filter_filter_new(void)
{
FilterFilter *o = (FilterFilter *)gtk_type_new(filter_filter_get_type ());
return o;
}
void filter_filter_add_action (FilterFilter *fr, FilterPart *fp)
{
fr->actions = g_list_append(fr->actions, fp);
}
void filter_filter_remove_action (FilterFilter *fr, FilterPart *fp)
{
fr->actions = g_list_remove(fr->actions, fp);
}
void filter_filter_replace_action(FilterFilter *fr, FilterPart *fp, FilterPart *new)
{
GList *l;
l = g_list_find(fr->actions, fp);
if (l) {
l->data = new;
} else {
fr->actions = g_list_append(fr->actions, new);
}
}
void filter_filter_build_action (FilterFilter *fr, GString *out)
{
g_string_append(out, "(begin\n");
filter_part_build_code_list(fr->actions, out);
g_string_append(out, ")\n");
}
static xmlNodePtr xml_encode(FilterRule *fr)
{
xmlNodePtr node, set, work;
GList *l;
FilterFilter *ff = (FilterFilter *)fr;
node = ((FilterRuleClass *)(parent_class))->xml_encode(fr);
g_assert(node != NULL);
set = xmlNewNode(NULL, "actionset");
xmlAddChild(node, set);
l = ff->actions;
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, FilterFilter *ff, RuleContext *f)
{
xmlNodePtr work;
char *rulename;
FilterPart *part;
work = node->childs;
while (work) {
if (!strcmp(work->name, "part")) {
rulename = xmlGetProp(work, "name");
part = filter_context_find_action((FilterContext *)f, rulename);
if (part) {
part = filter_part_clone(part);
filter_part_xml_decode(part, work);
filter_filter_add_action(ff, 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;
}
}
static int xml_decode(FilterRule *fr, xmlNodePtr node, struct _RuleContext *f)
{
xmlNodePtr work;
FilterFilter *ff = (FilterFilter *)fr;
int result;
result = ((FilterRuleClass *)(parent_class))->xml_decode(fr, node, f);
if (result != 0)
return result;
work = node->childs;
while (work) {
if (!strcmp(work->name, "actionset")) {
load_set(work, ff, f);
}
work = work->next;
}
return 0;
}
/*static void build_code(FilterRule *fr, GString *out)
{
return ((FilterRuleClass *)(parent_class))->build_code(fr, out);
}*/
struct _part_data {
FilterRule *fr;
FilterContext *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_filter_replace_action((FilterFilter *)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(FilterContext *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;
gchar *s;
data = g_malloc0(sizeof(*data));
data->fr = fr;
data->f = f;
data->part = newpart;
hbox = (GtkHBox *)gtk_hbox_new(FALSE, 0);
p = filter_part_get_widget(newpart);
data->partwidget = p;
data->container = (GtkWidget *)hbox;
menu = (GtkMenu *)gtk_menu_new();
while ((part=filter_context_next_action(f, part))) {
s = e_utf8_to_gtk_string ((GtkWidget *) menu, part->title);
item = (GtkMenuItem *)gtk_menu_item_new_with_label(s);
g_free (s);
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;
FilterContext *f;
GtkWidget *parts;
};
static void
less_parts(GtkWidget *button, struct _rule_data *data)
{
GList *l;
FilterPart *part;
GtkWidget *w;
l = ((FilterFilter *)data->fr)->actions;
if (g_list_length(l) < 2)
return;
/* remove the last one from the list */
l = g_list_last(l);
part = l->data;
filter_filter_remove_action((FilterFilter *)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 = filter_context_next_action((FilterContext *)data->f, NULL);
if (new) {
new = filter_part_clone(new);
filter_filter_add_action((FilterFilter *)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 GtkWidget *get_widget(FilterRule *fr, struct _RuleContext *f)
{
GtkWidget *widget;
GtkVBox *parts, *inframe;
GtkHBox *hbox;
GtkWidget *w;
GtkFrame *frame;
GList *l;
FilterPart *part;
struct _rule_data *data;
FilterFilter *ff = (FilterFilter *)fr;
d(printf("filter filter.get widget\n"));
widget = ((FilterRuleClass *)(parent_class))->get_widget(fr, f);
/* and now for the action area */
frame = (GtkFrame *)gtk_frame_new("Perform actions");
inframe = (GtkVBox *)gtk_vbox_new(FALSE, 3);
gtk_container_add((GtkContainer *)frame, (GtkWidget *)inframe);
parts = (GtkVBox *)gtk_vbox_new(FALSE, 3);
data = g_malloc0(sizeof(*data));
data->f = (FilterContext *)f;
data->fr = fr;
data->parts = (GtkWidget *)parts;
l = ff->actions;
while (l) {
part = l->data;
d(printf("adding action %s\n", part->title));
w = get_rule_part_widget((FilterContext *)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_widget_show_all((GtkWidget *)frame);
gtk_box_pack_start((GtkBox *)widget, (GtkWidget *)frame, FALSE, FALSE, 3);
return widget;
}
