/*
* 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 "filter-element.h"
#include "filter-input.h"
#include "filter-option.h"
#include "filter-code.h"
#include "filter-colour.h"
#include "filter-datespec.h"
#include "filter-score.h"
#include "filter-folder.h"
static void xml_create(FilterElement *fe, xmlNodePtr node);
static FilterElement *clone(FilterElement *fe);
static void filter_element_class_init (FilterElementClass *class);
static void filter_element_init (FilterElement *gspaper);
static void filter_element_finalise (GtkObject *obj);
#define _PRIVATE(x) (((FilterElement *)(x))->priv)
struct _FilterElementPrivate {
};
static GtkObjectClass *parent_class;
enum {
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
guint
filter_element_get_type (void)
{
static guint type = 0;
if (!type) {
GtkTypeInfo type_info = {
"FilterElement",
sizeof(FilterElement),
sizeof(FilterElementClass),
(GtkClassInitFunc)filter_element_class_init,
(GtkObjectInitFunc)filter_element_init,
(GtkArgSetFunc)NULL,
(GtkArgGetFunc)NULL
};
type = gtk_type_unique(gtk_object_get_type (), &type_info);
}
return type;
}
static void
filter_element_class_init (FilterElementClass *class)
{
GtkObjectClass *object_class;
object_class = (GtkObjectClass *)class;
parent_class = gtk_type_class(gtk_object_get_type ());
object_class->finalize = filter_element_finalise;
/* override methods */
class->xml_create = xml_create;
class->clone = clone;
/* signals */
gtk_object_class_add_signals(object_class, signals, LAST_SIGNAL);
}
static void
filter_element_init (FilterElement *o)
{
o->priv = g_malloc0(sizeof(*o->priv));
}
static void
filter_element_finalise(GtkObject *obj)
{
FilterElement *o = (FilterElement *)obj;
o = o;
((GtkObjectClass *)(parent_class))->finalize(obj);
}
/**
* filter_element_new:
*
* Create a new FilterElement object.
*
* Return value: A new #FilterElement object.
**/
FilterElement *
filter_element_new(void)
{
FilterElement *o = (FilterElement *)gtk_type_new(filter_element_get_type ());
return o;
}
/**
* filter_element_xml_create:
* @fe:
* @node:
*
* Create a new filter element based on an xml definition of
* that element.
**/
void filter_element_xml_create (FilterElement *fe, xmlNodePtr node)
{
return ((FilterElementClass *)((GtkObject *)fe)->klass)->xml_create(fe, node);
}
/**
* filter_element_xml_encode:
* @fe:
*
* Encode the values of a filter element into xml format.
*
* Return value:
**/
xmlNodePtr filter_element_xml_encode (FilterElement *fe)
{
return ((FilterElementClass *)((GtkObject *)fe)->klass)->xml_encode(fe);
}
/**
* filter_element_xml_decode:
* @fe:
* @node:
*
* Decode the values of a fitler element from xml format.
*
* Return value:
**/
int filter_element_xml_decode (FilterElement *fe, xmlNodePtr node)
{
return ((FilterElementClass *)((GtkObject *)fe)->klass)->xml_decode(fe, node);
}
/**
* filter_element_clone:
* @fe:
*
* Clones the FilterElement @fe.
*
* Return value:
**/
FilterElement *filter_element_clone (FilterElement *fe)
{
return ((FilterElementClass *)((GtkObject *)fe)->klass)->clone(fe);
}
/**
* filter_element_get_widget:
* @fe:
* @node:
*
* Create a widget to represent this element.
*
* Return value:
**/
GtkWidget *filter_element_get_widget (FilterElement *fe)
{
return ((FilterElementClass *)((GtkObject *)fe)->klass)->get_widget(fe);
}
/**
* filter_element_build_code:
* @fe:
* @out:
* @ff:
*
* Add the code representing this element to the output string @out.
**/
void filter_element_build_code (FilterElement *fe, GString *out, struct _FilterPart *ff)
{
return ((FilterElementClass *)((GtkObject *)fe)->klass)->build_code(fe, out, ff);
}
/**
* filter_element_format_sexp:
* @fe:
* @out:
*
* Format the value(s) of this element in a method suitable for the context of
* sexp where it is used. Usually as space separated, double-quoted strings.
**/
void filter_element_format_sexp (FilterElement *fe, GString *out)
{
return ((FilterElementClass *)((GtkObject *)fe)->klass)->format_sexp(fe, out);
}
/**
* filter_element_new_type_name:
* @type:
*
* Create a new filter element based on its type name.
*
* Return value:
**/
FilterElement *filter_element_new_type_name (const char *type)
{
if (type == NULL)
return NULL;
if (!strcmp (type, "string")) {
return (FilterElement *)filter_input_new ();
} else if (!strcmp (type, "folder")) {
return (FilterElement *)filter_folder_new ();
} else if (!strcmp (type, "address")) {
/* FIXME: temporary ... need real address type */
return (FilterElement *)filter_input_new_type_name (type);
} else if (!strcmp (type, "code")) {
return (FilterElement *)filter_code_new ();
} else if (!strcmp (type, "colour")) {
return (FilterElement *)filter_colour_new ();
} else if (!strcmp (type, "optionlist")) {
return (FilterElement *)filter_option_new ();
} else if (!strcmp (type, "datespec")) {
return (FilterElement *)filter_datespec_new ();
} else if (!strcmp (type, "score")) {
return (FilterElement *)filter_score_new ();
} else {
g_warning("Unknown filter type '%s'", type);
return 0;
}
}
/* default implementations */
static void xml_create(FilterElement *fe, xmlNodePtr node)
{
fe->name = xmlGetProp(node, "name");
}
static FilterElement *clone(FilterElement *fe)
{
xmlNodePtr node;
FilterElement *new;
new = (FilterElement *)gtk_type_new( ((GtkObject *)fe)->klass->type );
node = filter_element_xml_encode(fe);
filter_element_xml_decode(new, node);
xmlFreeNodeList(node);
return new;
}
