/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see
*
*
* Authors:
* Not Zed
* Jeffrey Stedfast
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include
#endif
#include
#include
#include
#include
#include
#include
#include
#include "filter-datespec.h"
#include "libedataserver/e-sexp.h"
#include "e-util/e-error.h"
#include "e-util/e-util-private.h"
#ifdef G_OS_WIN32
#define localtime_r(tp,tmp) memcpy(tmp,localtime(tp),sizeof(struct tm))
#endif
#define d(x)
static gboolean validate (FilterElement *fe, GtkWindow *error_parent);
static gint date_eq (FilterElement *fe, FilterElement *cm);
static void xml_create (FilterElement *fe, xmlNodePtr node);
static xmlNodePtr xml_encode (FilterElement *fe);
static gint xml_decode (FilterElement *fe, xmlNodePtr node);
static GtkWidget *get_widget (FilterElement *fe);
static void build_code (FilterElement *fe, GString *out, struct _FilterPart *fds);
static void format_sexp (FilterElement *, GString *);
static void filter_datespec_class_init (FilterDatespecClass *klass);
static void filter_datespec_init (FilterDatespec *fd);
static void filter_datespec_finalise (GObject *obj);
#define PRIV(x) (((FilterDatespec *)(x))->priv)
typedef struct _timespan {
guint32 seconds;
const gchar *past_singular;
const gchar *past_plural;
const gchar *future_singular;
const gchar *future_plural;
gfloat max;
} timespan;
#ifdef ngettext
#undef ngettext
#endif
/* This is a nasty hack trying to keep both ngettext function and xgettext tool happy */
/* It *will* cause problems if ngettext is a macro */
#define ngettext(a, b) a, b
static const timespan timespans[] = {
{ 1, ngettext("1 second ago", "%d seconds ago"), ngettext("1 second in the future", "%d seconds in the future"), 59.0 },
{ 60, ngettext("1 minute ago", "%d minutes ago"), ngettext("1 minute in the future", "%d minutes in the future"), 59.0 },
{ 3600, ngettext("1 hour ago", "%d hours ago"), ngettext("1 hour in the future", "%d hours in the future"), 23.0 },
{ 86400, ngettext("1 day ago", "%d days ago"), ngettext("1 day in the future", "%d days in the future"), 31.0 },
{ 604800, ngettext("1 week ago", "%d weeks ago"), ngettext("1 week in the future", "%d weeks in the future"), 52.0 },
{ 2419200, ngettext("1 month ago", "%d months ago"), ngettext("1 month in the future", "%d months in the future"), 12.0 },
{ 31557600, ngettext("1 year ago", "%d years ago"), ngettext("1 year in the future", "%d years in the future"), 1000.0 },
};
/* now we let the compiler see the real function call */
#undef ngettext
#define DAY_INDEX 3
#define N_TIMESPANS (sizeof (timespans) / sizeof (timespans[0]))
struct _FilterDatespecPrivate {
GtkWidget *label_button;
GtkWidget *notebook_type, *combobox_type, *calendar_specify, *spin_relative, *combobox_relative, *combobox_past_future;
FilterDatespec_type type;
gint span;
};
static FilterElementClass *parent_class;
GType
filter_datespec_get_type (void)
{
static GType type = 0;
if (!type) {
static const GTypeInfo info = {
sizeof (FilterDatespecClass),
NULL, /* base_class_init */
NULL, /* base_class_finalize */
(GClassInitFunc) filter_datespec_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (FilterDatespec),
0, /* n_preallocs */
(GInstanceInitFunc) filter_datespec_init,
};
type = g_type_register_static (FILTER_TYPE_ELEMENT, "FilterDatespec", &info, 0);
}
return type;
}
static void
filter_datespec_class_init (FilterDatespecClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
FilterElementClass *fe_class = FILTER_ELEMENT_CLASS (klass);
parent_class = g_type_class_ref (FILTER_TYPE_ELEMENT);
object_class->finalize = filter_datespec_finalise;
/* override methods */
fe_class->validate = validate;
fe_class->eq = date_eq;
fe_class->xml_create = xml_create;
fe_class->xml_encode = xml_encode;
fe_class->xml_decode = xml_decode;
fe_class->get_widget = get_widget;
fe_class->build_code = build_code;
fe_class->format_sexp = format_sexp;
}
static void
filter_datespec_init (FilterDatespec *fd)
{
fd->priv = g_malloc0 (sizeof (*fd->priv));
fd->type = FDST_UNKNOWN;
}
static void
filter_datespec_finalise (GObject *obj)
{
FilterDatespec *fd = (FilterDatespec *) obj;
g_free (fd->priv);
G_OBJECT_CLASS (parent_class)->finalize (obj);
}
/**
* filter_datespec_new:
*
* Create a new FilterDatespec object.
*
* Return value: A new #FilterDatespec object.
**/
FilterDatespec *
filter_datespec_new (void)
{
return (FilterDatespec *) g_object_new (FILTER_TYPE_DATESPEC, NULL, NULL);
}
static gboolean
validate (FilterElement *fe, GtkWindow *error_parent)
{
FilterDatespec *fds = (FilterDatespec *) fe;
gboolean valid;
valid = fds->type != FDST_UNKNOWN;
if (!valid) {
e_error_run (error_parent, "filter:no-date", NULL);
}
return valid;
}
static gint
date_eq (FilterElement *fe, FilterElement *cm)
{
FilterDatespec *fd = (FilterDatespec *)fe, *cd = (FilterDatespec *)cm;
return FILTER_ELEMENT_CLASS (parent_class)->eq(fe, cm)
&& (fd->type == cd->type)
&& (fd->value == cd->value);
}
static void
xml_create (FilterElement *fe, xmlNodePtr node)
{
/* parent implementation */
FILTER_ELEMENT_CLASS (parent_class)->xml_create (fe, node);
}
static xmlNodePtr
xml_encode (FilterElement *fe)
{
xmlNodePtr value, work;
FilterDatespec *fds = (FilterDatespec *)fe;
gchar str[32];
d(printf ("Encoding datespec as xml\n"));
value = xmlNewNode (NULL, (const guchar *)"value");
xmlSetProp (value, (const guchar *)"name", (guchar *)fe->name);
xmlSetProp (value, (const guchar *)"type", (const guchar *)"datespec");
work = xmlNewChild (value, NULL, (const guchar *)"datespec", NULL);
sprintf (str, "%d", fds->type);
xmlSetProp (work, (const guchar *)"type", (guchar *)str);
sprintf (str, "%d", (gint)fds->value);
xmlSetProp (work, (const guchar *)"value", (guchar *)str);
return value;
}
static gint
xml_decode (FilterElement *fe, xmlNodePtr node)
{
FilterDatespec *fds = (FilterDatespec *)fe;
xmlNodePtr n;
xmlChar *val;
d(printf ("Decoding datespec from xml %p\n", fe));
xmlFree (fe->name);
fe->name = (gchar *)xmlGetProp (node, (const guchar *)"name");
n = node->children;
while (n) {
if (!strcmp ((gchar *)n->name, "datespec")) {
val = xmlGetProp (n, (const guchar *)"type");
fds->type = atoi ((gchar *)val);
xmlFree (val);
val = xmlGetProp (n, (const guchar *)"value");
fds->value = atoi ((gchar *)val);
xmlFree (val);
break;
}
n = n->next;
}
return 0;
}
static gint
get_best_span (time_t val)
{
gint i;
for (i=N_TIMESPANS-1;i>=0;i--) {
if (val % timespans[i].seconds == 0)
return i;
}
return 0;
}
/* sets button label */
static void
set_button (FilterDatespec *fds)
{
gchar buf[128];
gchar *label = buf;
switch (fds->type) {
case FDST_UNKNOWN:
label = _("");
break;
case FDST_NOW:
label = _("now");
break;
case FDST_SPECIFIED: {
struct tm tm;
localtime_r(&fds->value, &tm);
/* strftime for date filter display, only needs to show a day date (i.e. no time) */
strftime(buf, sizeof(buf), _("%d-%b-%Y"), &tm);
break; }
case FDST_X_AGO:
if (fds->value == 0)
label = _("now");
else {
gint span, count;
span = get_best_span(fds->value);
count = fds->value / timespans[span].seconds;
sprintf(buf, ngettext(timespans[span].past_singular, timespans[span].past_plural, count), count);
}
break;
case FDST_X_FUTURE:
if (fds->value == 0)
label = _("now");
else {
gint span, count;
span = get_best_span(fds->value);
count = fds->value / timespans[span].seconds;
sprintf(buf, ngettext(timespans[span].future_singular, timespans[span].future_plural, count), count);
}
break;
}
gtk_label_set_text((GtkLabel *)fds->priv->label_button, label);
}
static void
get_values (FilterDatespec *fds)
{
struct _FilterDatespecPrivate *p = PRIV(fds);
switch (fds->priv->type) {
case FDST_SPECIFIED: {
guint year, month, day;
struct tm tm;
gtk_calendar_get_date((GtkCalendar *)p->calendar_specify, &year, &month, &day);
memset(&tm, 0, sizeof(tm));
tm.tm_mday = day;
tm.tm_year = year - 1900;
tm.tm_mon = month;
fds->value = mktime(&tm);
/* what about timezone? */
break; }
case FDST_X_FUTURE:
case FDST_X_AGO: {
gint val;
val = gtk_spin_button_get_value_as_int((GtkSpinButton *)p->spin_relative);
fds->value = timespans[p->span].seconds * val;
break; }
case FDST_NOW:
default:
break;
}
fds->type = p->type;
}
static void
set_values (FilterDatespec *fds)
{
gint note_type;
struct _FilterDatespecPrivate *p = PRIV(fds);
p->type = fds->type==FDST_UNKNOWN ? FDST_NOW : fds->type;
note_type = fds->type==FDST_X_FUTURE ? FDST_X_AGO : fds->type; /* FUTURE and AGO use the same notebook pages/etc. */
switch (p->type) {
case FDST_NOW:
case FDST_UNKNOWN:
/* noop */
break;
case FDST_SPECIFIED:
{
struct tm tm;
localtime_r(&fds->value, &tm);
gtk_calendar_select_month((GtkCalendar*)p->calendar_specify, tm.tm_mon, tm.tm_year + 1900);
gtk_calendar_select_day((GtkCalendar*)p->calendar_specify, tm.tm_mday);
break;
}
case FDST_X_AGO:
p->span = get_best_span(fds->value);
gtk_spin_button_set_value((GtkSpinButton*)p->spin_relative, fds->value/timespans[p->span].seconds);
gtk_combo_box_set_active (GTK_COMBO_BOX (p->combobox_relative), p->span);
gtk_combo_box_set_active (GTK_COMBO_BOX (p->combobox_past_future), 0);
break;
case FDST_X_FUTURE:
p->span = get_best_span(fds->value);
gtk_spin_button_set_value((GtkSpinButton*)p->spin_relative, fds->value/timespans[p->span].seconds);
gtk_combo_box_set_active (GTK_COMBO_BOX (p->combobox_relative), p->span);
gtk_combo_box_set_active (GTK_COMBO_BOX (p->combobox_past_future), 1);
break;
}
gtk_notebook_set_current_page ((GtkNotebook*) p->notebook_type, note_type);
gtk_combo_box_set_active (GTK_COMBO_BOX (p->combobox_type), note_type);
}
static void
set_combobox_type (GtkComboBox *combobox, FilterDatespec *fds)
{
fds->priv->type = gtk_combo_box_get_active (combobox);
gtk_notebook_set_current_page ((GtkNotebook*) fds->priv->notebook_type, fds->priv->type);
}
static void
set_combobox_relative (GtkComboBox *combobox, FilterDatespec *fds)
{
fds->priv->span = gtk_combo_box_get_active (combobox);
}
static void
set_combobox_past_future (GtkComboBox *combobox, FilterDatespec *fds)
{
if (gtk_combo_box_get_active (combobox) == 0)
fds->type = fds->priv->type = FDST_X_AGO;
else
fds->type = fds->priv->type = FDST_X_FUTURE;
}
static void
button_clicked (GtkButton *button, FilterDatespec *fds)
{
struct _FilterDatespecPrivate *p = PRIV(fds);
GtkWidget *content_area;
GtkWidget *toplevel;
GtkDialog *dialog;
GladeXML *gui;
gchar *filter_glade = g_build_filename (EVOLUTION_GLADEDIR,
"filter.glade",
NULL);
gui = glade_xml_new (filter_glade, "filter_datespec", NULL);
g_free (filter_glade);
toplevel = glade_xml_get_widget (gui, "filter_datespec");
dialog = (GtkDialog *) gtk_dialog_new ();
gtk_window_set_title ((GtkWindow *) dialog, _("Select a time to compare against"));
gtk_dialog_add_buttons (dialog,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_has_separator (dialog, FALSE);
p->notebook_type = glade_xml_get_widget (gui, "notebook_type");
p->combobox_type = glade_xml_get_widget (gui, "combobox_type");
p->calendar_specify = glade_xml_get_widget (gui, "calendar_specify");
p->spin_relative = glade_xml_get_widget (gui, "spin_relative");
p->combobox_relative = glade_xml_get_widget (gui, "combobox_relative");
p->combobox_past_future = glade_xml_get_widget (gui, "combobox_past_future");
set_values (fds);
g_signal_connect (p->combobox_type, "changed", G_CALLBACK (set_combobox_type), fds);
g_signal_connect (p->combobox_relative, "changed", G_CALLBACK (set_combobox_relative), fds);
g_signal_connect (p->combobox_past_future, "changed", G_CALLBACK (set_combobox_past_future), fds);
content_area = gtk_dialog_get_content_area (dialog);
gtk_box_pack_start (GTK_BOX (content_area), toplevel, TRUE, TRUE, 3);
if (gtk_dialog_run (dialog) == GTK_RESPONSE_OK) {
get_values (fds);
set_button (fds);
}
gtk_widget_destroy ((GtkWidget *)dialog);
}
static GtkWidget *
get_widget (FilterElement *fe)
{
FilterDatespec *fds = (FilterDatespec *)fe;
GtkWidget *button;
fds->priv->label_button = gtk_label_new ("");
gtk_misc_set_alignment (GTK_MISC (fds->priv->label_button), 0.5, 0.5);
set_button(fds);
button = gtk_button_new();
gtk_container_add (GTK_CONTAINER (button), fds->priv->label_button);
g_signal_connect (button, "clicked", G_CALLBACK (button_clicked), fds);
gtk_widget_show (button);
gtk_widget_show (fds->priv->label_button);
return button;
}
static void
build_code (FilterElement *fe, GString *out, struct _FilterPart *fp)
{
return;
}
static void
format_sexp (FilterElement *fe, GString *out)
{
FilterDatespec *fds = (FilterDatespec *)fe;
switch (fds->type) {
case FDST_UNKNOWN:
g_warning ("user hasn't selected a datespec yet!");
/* fall through */
case FDST_NOW:
g_string_append (out, "(get-current-date)");
break;
case FDST_SPECIFIED:
g_string_append_printf (out, "%d", (gint) fds->value);
break;
case FDST_X_AGO:
g_string_append_printf (out, "(- (get-current-date) %d)", (gint) fds->value);
break;
case FDST_X_FUTURE:
g_string_append_printf (out, "(+ (get-current-date) %d)", (gint) fds->value);
break;
}
}