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/*
* Calendar manager object
*
* This keeps track of a given calendar. Eventually this will abtract everything
* related to getting calendars/saving calendars locally or to a remote Calendar Service
*
* Copyright (C) 1998 the Free Software Foundation
*
* Authors:
* Miguel de Icaza (miguel@gnu.org)
* Federico Mena (federico@gimp.org)
*
*/
#include <config.h>
#include "calendar.h"
#include "timeutil.h"
#include "versit/vcc.h"
Calendar *
calendar_new (char *title)
{
Calendar *cal;
cal = g_new0 (Calendar, 1);
cal->title = g_strdup (title);
return cal;
}
void
calendar_add_object (Calendar *cal, iCalObject *obj)
{
printf ("Adding object\n");
switch (obj->type){
case ICAL_EVENT:
cal->events = g_list_prepend (cal->events, obj);
break;
case ICAL_TODO:
cal->todo = g_list_prepend (cal->todo, obj);
break;
case ICAL_JOURNAL:
cal->journal = g_list_prepend (cal->journal, obj);
break;
default:
g_assert_not_reached ();
}
}
void
calendar_remove_object (Calendar *cal, iCalObject *obj)
{
switch (obj->type){
case ICAL_EVENT:
cal->events = g_list_remove (cal->events, obj);
break;
case ICAL_TODO:
cal->todo = g_list_remove (cal->todo, obj);
break;
case ICAL_JOURNAL:
cal->journal = g_list_remove (cal->journal, obj);
break;
default:
g_assert_not_reached ();
}
}
void
calendar_destroy (Calendar *cal)
{
g_list_foreach (cal->events, (GFunc) ical_object_destroy, NULL);
g_list_free (cal->events);
g_list_foreach (cal->todo, (GFunc) ical_object_destroy, NULL);
g_list_free (cal->todo);
g_list_foreach (cal->journal, (GFunc) ical_object_destroy, NULL);
g_list_free (cal->journal);
if (cal->title)
g_free (cal->title);
if (cal->filename)
g_free (cal->filename);
g_free (cal);
}
char *
ice (time_t t)
{
static char buffer [100];
struct tm *tm;
tm = localtime (&t);
sprintf (buffer, "%d/%d/%d", tm->tm_mday, tm->tm_mon, tm->tm_year);
return buffer;
}
static GList *
calendar_get_objects_in_range (GList *objects, time_t start, time_t end, GCompareFunc sort_func)
{
GList *new_events = 0;
for (; objects; objects = objects->next){
iCalObject *object = objects->data;
if ((start <= object->dtstart) && (object->dtend <= end)){
if (sort_func)
new_events = g_list_insert_sorted (new_events, object, sort_func);
else
new_events = g_list_prepend (new_events, object);
}
}
return new_events;
}
GList *
calendar_get_events_in_range (Calendar *cal, time_t start, time_t end, GCompareFunc sort_func)
{
return calendar_get_objects_in_range (cal->events, start, end, sort_func);
}
GList *
calendar_get_todo_in_range (Calendar *cal, time_t start, time_t end, GCompareFunc sort_func)
{
return calendar_get_objects_in_range (cal->todo, start, end, sort_func);
}
GList *
calendar_get_journal_in_range (Calendar *cal, time_t start, time_t end, GCompareFunc sort_func)
{
return calendar_get_objects_in_range (cal->journal, start, end, sort_func);
}
gint
calendar_compare_by_dtstart (gpointer a, gpointer b)
{
iCalObject *obj1, *obj2;
time_t diff;
obj1 = a;
obj2 = b;
diff = obj1->dtstart - obj2->dtstart;
return (diff < 0) ? -1 : (diff > 0) ? 1 : 0;
}
#define str_val(obj) (char *) vObjectUStringZValue (obj)
/* Loads our calendar contents from a vObject */
void
calendar_load_from_vobject (Calendar *cal, VObject *vcal)
{
VObjectIterator i;;
initPropIterator (&i, vcal);
while (moreIteration (&i)){
VObject *this = nextVObject (&i);
iCalObject *ical;
const char *object_name = vObjectName (this);
if (strcmp (object_name, VCDCreatedProp) == 0){
cal->created = time_from_isodate (str_val (this));
continue;
}
if (strcmp (object_name, VCLocationProp) == 0)
continue; /* FIXME: imlement */
if (strcmp (object_name, VCProdIdProp) == 0)
continue; /* FIXME: implement */
if (strcmp (object_name, VCVersionProp) == 0)
continue; /* FIXME: implement */
ical = ical_object_create_from_vobject (this, object_name);
if (ical)
calendar_add_object (cal, ical);
}
}
/* Loads a calendar from a file */
void
calendar_load (Calendar *cal, char *fname)
{
VObject *vcal;
if (cal->filename){
g_warning ("Calendar load called again\n");
return;
}
cal->filename = g_strdup (fname);
vcal = Parse_MIME_FromFileName (fname);
calendar_load_from_vobject (cal, vcal);
cleanVObject (vcal);
cleanStrTbl ();
}
void
calendar_save (Calendar *cal, char *fname)
{
VObject *vcal;
GList *l;
if (fname == NULL)
fname = cal->filename;
vcal = newVObject (VCCalProp);
addPropValue (vcal, VCProdIdProp, "-//GNOME//NONSGML GnomeCalendar//EN");
addPropValue (vcal, VCTimeZoneProp, "NONE");
addPropValue (vcal, VCVersionProp, VERSION);
cal->temp = vcal;
for (l = cal->events; l; l = l->next){
VObject *obj;
obj = ical_object_to_vobject ((iCalObject *) l->data);
addVObjectProp (vcal, obj);
}
writeVObjectToFile (fname, vcal);
cleanVObject (vcal);
cleanStrTbl ();
}
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