/*
* 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-option.h"
#include "filter-part.h"
#include "e-util/e-sexp.h"
#define d(x)
static void xml_create(FilterElement *fe, xmlNodePtr node);
static xmlNodePtr xml_encode(FilterElement *fe);
static int xml_decode(FilterElement *fe, xmlNodePtr node);
static FilterElement *clone(FilterElement *fe);
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_option_class_init (FilterOptionClass *class);
static void filter_option_init (FilterOption *gspaper);
static void filter_option_finalise (GtkObject *obj);
#define _PRIVATE(x) (((FilterOption *)(x))->priv)
struct _FilterOptionPrivate {
};
static FilterElementClass *parent_class;
enum {
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
guint
filter_option_get_type (void)
{
static guint type = 0;
if (!type) {
GtkTypeInfo type_info = {
"FilterOption",
sizeof(FilterOption),
sizeof(FilterOptionClass),
(GtkClassInitFunc)filter_option_class_init,
(GtkObjectInitFunc)filter_option_init,
(GtkArgSetFunc)NULL,
(GtkArgGetFunc)NULL
};
type = gtk_type_unique(filter_element_get_type (), &type_info);
}
return type;
}
static void
filter_option_class_init (FilterOptionClass *class)
{
GtkObjectClass *object_class;
FilterElementClass *filter_element = (FilterElementClass *)class;
object_class = (GtkObjectClass *)class;
parent_class = gtk_type_class(filter_element_get_type ());
object_class->finalize = filter_option_finalise;
/* override methods */
filter_element->xml_create = xml_create;
filter_element->xml_encode = xml_encode;
filter_element->xml_decode = xml_decode;
filter_element->clone = clone;
filter_element->get_widget = get_widget;
filter_element->build_code = build_code;
filter_element->format_sexp = format_sexp;
/* signals */
gtk_object_class_add_signals(object_class, signals, LAST_SIGNAL);
}
static void
filter_option_init (FilterOption *o)
{
o->priv = g_malloc0(sizeof(*o->priv));
}
static void
filter_option_finalise(GtkObject *obj)
{
FilterOption *o = (FilterOption *)obj;
o = o;
((GtkObjectClass *)(parent_class))->finalize(obj);
}
/**
* filter_option_new:
*
* Create a new FilterOption object.
*
* Return value: A new #FilterOption object.
**/
FilterOption *
filter_option_new(void)
{
FilterOption *o = (FilterOption *)gtk_type_new(filter_option_get_type ());
return o;
}
static struct _filter_option *
find_option(FilterOption *fo, const char *name)
{
GList *l = fo->options;
struct _filter_option *op;
while (l) {
op = l->data;
if (!strcmp(name, op->value)) {
return op;
}
l = g_list_next(l);
}
return NULL;
}
void filter_option_set_current(FilterOption *option, const char *name)
{
g_assert(IS_FILTER_OPTION(option));
option->current = find_option(option, name);
}
static void xml_create(FilterElement *fe, xmlNodePtr node)
{
FilterOption *fo = (FilterOption *)fe;
xmlNodePtr n, work;
struct _filter_option *op;
/* parent implementation */
((FilterElementClass *)(parent_class))->xml_create(fe, node);
n = node->childs;
while (n) {
if (!strcmp(n->name, "option")) {
op = g_malloc0(sizeof(*op));
op->value = xmlGetProp(n, "value");
work = n->childs;
while (work) {
if (!strcmp(work->name, "title")) {
if (!op->title) {
op->title = xmlNodeGetContent(work);
}
} else if (!strcmp(work->name, "code")) {
if (!op->code) {
op->code = xmlNodeGetContent(work);
}
}
work = work->next;
}
d(printf("creating new option:\n title %s\n value %s\n code %s\n", op->title, op->value, op->code));
fo->options = g_list_append(fo->options, op);
if (fo->current == NULL)
fo->current = op;
} else {
g_warning("Unknown xml node within optionlist: %s\n", n->name);
}
n = n->next;
}
}
static xmlNodePtr xml_encode(FilterElement *fe)
{
xmlNodePtr value;
FilterOption *fo = (FilterOption *)fe;
d(printf("Encoding option as xml\n"));
value = xmlNewNode(NULL, "value");
xmlSetProp(value, "name", fe->name);
xmlSetProp(value, "type", "option");
if (fo->current) {
xmlSetProp(value, "value", fo->current->value);
}
return value;
}
static int xml_decode(FilterElement *fe, xmlNodePtr node)
{
FilterOption *fo = (FilterOption *)fe;
char *value;
d(printf("Decoding option from xml\n"));
fe->name = xmlGetProp(node, "name");
value = xmlGetProp(node, "value");
if (value) {
fo->current = find_option(fo, value);
xmlFree(value);
} else {
fo->current = NULL;
}
return 0;
}
static void option_activate(GtkMenuItem *item, FilterOption *fo)
{
fo->current = gtk_object_get_data((GtkObject *)item, "option");
d(printf("option changed to %s\n", fo->current->title));
}
static GtkWidget *get_widget(FilterElement *fe)
{
FilterOption *fo = (FilterOption *)fe;
GtkMenu *menu;
GtkOptionMenu *omenu;
GtkMenuItem *item;
GList *l = fo->options;
struct _filter_option *op;
int index = 0, current=0;
menu = (GtkMenu *)gtk_menu_new();
while (l) {
op = l->data;
item = (GtkMenuItem *)gtk_menu_item_new_with_label(op->title);
gtk_object_set_data((GtkObject *)item, "option", op);
gtk_signal_connect((GtkObject *)item, "activate", option_activate, fo);
gtk_menu_append(menu, (GtkWidget *)item);
gtk_widget_show((GtkWidget *)item);
if (op == fo->current) {
current = index;
}
l = g_list_next(l);
index++;
}
omenu = (GtkOptionMenu *)gtk_option_menu_new();
gtk_option_menu_set_menu(omenu, (GtkWidget *)menu);
gtk_option_menu_set_history(omenu, current);
return (GtkWidget *)omenu;
}
static void build_code(FilterElement *fe, GString *out, struct _FilterPart *ff)
{
FilterOption *fo = (FilterOption *)fe;
d(printf("building option code %p, current = %p\n", fo, fo->current));
if (fo->current) {
filter_part_expand_code(ff, fo->current->code, out);
}
}
static void format_sexp(FilterElement *fe, GString *out)
{
FilterOption *fo = (FilterOption *)fe;
if (fo->current) {
e_sexp_encode_string(out, fo->current->value);
}
}
static FilterElement *clone(FilterElement *fe)
{
FilterOption *fo = (FilterOption *)fe, *new;
GList *l;
struct _filter_option *fn, *op;
d(printf("cloning option\n"));
new = FILTER_OPTION(((FilterElementClass *)(parent_class))->clone(fe));
l = fo->options;
while (l) {
op = l->data;
fn = g_malloc(sizeof(*fn));
d(printf(" option %s\n", op->title));
fn->title = g_strdup(op->title);
fn->value = g_strdup(op->value);
fn->code = g_strdup(op->code);
new->options = g_list_append(new->options, fn);
l = g_list_next(l);
if (new->current == NULL)
new->current = fn;
}
d(printf("cloning option code %p, current = %p\n", new, new->current));
return (FilterElement *)new;
}
