/*
* 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 <http://www.gnu.org/licenses/>
*
*
* Authors:
* Federico Mena Quintero <federico@ximian.com>
* Damon Chaplin <damon@ximian.com>
* Rodrigo Moya <rodrigo@ximian.com>
* Nathan Owens <pianocomp81@yahoo.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <glib/gi18n.h>
#include <libedataserver/e-time-utils.h>
#include <table/e-table-scrolled.h>
#include <widgets/menus/gal-view-instance.h>
#include <widgets/menus/gal-view-factory-etable.h>
#include <widgets/menus/gal-view-etable.h>
#include "e-util/e-error.h"
#include "e-util/e-categories-config.h"
#include "e-util/e-util-private.h"
#include <libecal/e-cal-time-util.h>
#include <libedataserver/e-url.h>
#include <libedataserver/e-categories.h>
#include "widgets/menus/gal-view-menus.h"
#include "dialogs/delete-error.h"
#include "calendar-config.h"
#include "cal-search-bar.h"
#include "comp-util.h"
#include "e-memo-table-config.h"
#include "misc.h"
#include "e-cal-component-memo-preview.h"
#include "e-memos.h"
#include "common/authentication.h"
/* Private part of the GnomeCalendar structure */
struct _EMemosPrivate {
/* The memo lists for display */
GHashTable *clients;
GList *clients_list;
ECal *default_client;
ECalView *query;
/* The EMemoTable showing the memos. */
GtkWidget *memos_view;
EMemoTableConfig *memos_view_config;
/* Calendar search bar for memos */
GtkWidget *search_bar;
/* The preview */
GtkWidget *preview;
gchar *current_uid;
char *sexp;
/* View instance and the view menus handler */
GalViewInstance *view_instance;
GalViewMenus *view_menus;
GList *notifications;
};
static void setup_widgets (EMemos *memos);
static void e_memos_destroy (GtkObject *object);
static void update_view (EMemos *memos);
static void categories_changed_cb (gpointer object, gpointer user_data);
/* Signal IDs */
enum {
SELECTION_CHANGED,
SOURCE_ADDED,
SOURCE_REMOVED,
LAST_SIGNAL
};
static guint e_memos_signals[LAST_SIGNAL] = { 0 };
G_DEFINE_TYPE (EMemos, e_memos, GTK_TYPE_TABLE)
/* Callback used when the sexp in the search bar changes */
static void
search_bar_sexp_changed_cb (CalSearchBar *cal_search, const char *sexp, gpointer data)
{
EMemos *memos;
EMemosPrivate *priv;
memos = E_MEMOS (data);
priv = memos->priv;
if (priv->sexp)
g_free (priv->sexp);
priv->sexp = g_strdup (sexp);
update_view (memos);
}
/* Callback used when the selected category in the search bar changes */
static void
search_bar_category_changed_cb (CalSearchBar *cal_search, const char *category, gpointer data)
{
EMemos *memos;
EMemosPrivate *priv;
ECalModel *model;
memos = E_MEMOS (data);
priv = memos->priv;
model = e_memo_table_get_model (E_MEMO_TABLE (priv->memos_view));
e_cal_model_set_default_category (model, category);
}
static void
set_timezone (EMemos *memos)
{
EMemosPrivate *priv;
icaltimezone *zone;
GList *l;
priv = memos->priv;
zone = calendar_config_get_icaltimezone ();
for (l = priv->clients_list; l != NULL; l = l->next) {
ECal *client = l->data;
if (e_cal_get_load_state (client) == E_CAL_LOAD_LOADED)
/* FIXME Error checking */
e_cal_set_default_timezone (client, zone, NULL);
}
if (priv->default_client && e_cal_get_load_state (priv->default_client) == E_CAL_LOAD_LOADED)
/* FIXME Error checking */
e_cal_set_default_timezone (priv->default_client, zone, NULL);
if (priv->preview)
e_cal_component_memo_preview_set_default_timezone (E_CAL_COMPONENT_MEMO_PREVIEW (priv->preview), zone);
}
static void
timezone_changed_cb (GConfClient *client, guint id, GConfEntry *entry, gpointer data)
{
EMemos *memos = data;
set_timezone (memos);
}
static void
update_view (EMemos *memos)
{
EMemosPrivate *priv;
ECalModel *model;
priv = memos->priv;
model = e_memo_table_get_model (E_MEMO_TABLE (priv->memos_view));
e_cal_model_set_search_query (model, priv->sexp);
e_cal_component_memo_preview_clear (E_CAL_COMPONENT_MEMO_PREVIEW (priv->preview));
}
static void
setup_config (EMemos *memos)
{
EMemosPrivate *priv;
guint not;
priv = memos->priv;
/* Timezone */
set_timezone (memos);
not = calendar_config_add_notification_timezone (timezone_changed_cb, memos);
priv->notifications = g_list_prepend (priv->notifications, GUINT_TO_POINTER (not));
}
struct AffectedComponents {
EMemoTable *memo_table;
GSList *components; /* contains pointers to ECalModelComponent */
};
/**
* get_selected_components_cb
* Helper function to fill list of selected components in EMemoTable.
* This function is called from e_table_selected_row_foreach.
**/
static void
get_selected_components_cb (int model_row, gpointer data)
{
struct AffectedComponents *ac = (struct AffectedComponents *) data;
if (!ac || !ac->memo_table)
return;
ac->components = g_slist_prepend (ac->components, e_cal_model_get_component_at (E_CAL_MODEL (e_memo_table_get_model (ac->memo_table)), model_row));
}
/**
* do_for_selected_components
* Calls function func for all selected components in memo_table.
*
* @param memo_table Table with selected components of our interest.
* @param func Function to be called on each selected component from cal_table.
* The first parameter of this function is a pointer to ECalModelComponent and
* the second parameter of this function is pointer to cal_table
* @param user_data User data, will be passed to func.
**/
static void
do_for_selected_components (EMemoTable *memo_table, GFunc func, gpointer user_data)
{
ETable *etable;
struct AffectedComponents ac;
g_return_if_fail (memo_table != NULL);
ac.memo_table = memo_table;
ac.components = NULL;
etable = e_table_scrolled_get_table (E_TABLE_SCROLLED (memo_table->etable));
e_table_selected_row_foreach (etable, get_selected_components_cb, &ac);
g_slist_foreach (ac.components, func, user_data);
g_slist_free (ac.components);
}
/**
* obtain_list_of_components
* As a callback function to convert each ECalModelComponent to string
* of format "source_uid\ncomponent_str" and add this newly allocated
* string to the list of components. Strings should be freed with g_free.
*
* @param data ECalModelComponent object.
* @param user_data Pointer to GSList list, where to put new strings.
**/
static void
obtain_list_of_components (gpointer data, gpointer user_data)
{
GSList **list;
ECalModelComponent *comp_data;
list = (GSList **) user_data;
comp_data = (ECalModelComponent *) data;
if (list && comp_data) {
char *comp_str;
icalcomponent *vcal;
vcal = e_cal_util_new_top_level ();
e_cal_util_add_timezones_from_component (vcal, comp_data->icalcomp);
icalcomponent_add_component (vcal, icalcomponent_new_clone (comp_data->icalcomp));
comp_str = icalcomponent_as_ical_string (vcal);
if (comp_str) {
ESource *source = e_cal_get_source (comp_data->client);
const char *source_uid = e_source_peek_uid (source);
*list = g_slist_prepend (*list, g_strdup_printf ("%s\n%s", source_uid, comp_str));
/* do not free this pointer, it owns libical */
/* g_free (comp_str); */
}
icalcomponent_free (vcal);
g_free (comp_str);
}
}
static void
table_drag_data_get (ETable *table,
int row,
int col,
GdkDragContext *context,
GtkSelectionData *selection_data,
guint info,
guint time,
EMemos *memos)
{
EMemosPrivate *priv;
priv = memos->priv;
if (info == TARGET_VCALENDAR) {
/* we will pass an icalcalendar component for both types */
GSList *components = NULL;
do_for_selected_components (E_MEMO_TABLE (priv->memos_view), obtain_list_of_components, &components);
if (components) {
cal_comp_selection_set_string_list (selection_data, components);
g_slist_foreach (components, (GFunc)g_free, NULL);
g_slist_free (components);
}
}
}
static void
setup_widgets (EMemos *memos)
{
EMemosPrivate *priv;
ETable *etable;
ECalModel *model;
priv = memos->priv;
priv->search_bar = cal_search_bar_new (CAL_SEARCH_MEMOS_DEFAULT);
g_signal_connect (priv->search_bar, "sexp_changed",
G_CALLBACK (search_bar_sexp_changed_cb), memos);
g_signal_connect (priv->search_bar, "category_changed",
G_CALLBACK (search_bar_category_changed_cb), memos);
categories_changed_cb (NULL, memos);
gtk_table_attach (GTK_TABLE (memos), priv->search_bar, 0, 1, 0, 1,
GTK_EXPAND | GTK_FILL | GTK_SHRINK, 0, 0, 0);
gtk_widget_show (priv->search_bar);
/* create the memo list */
priv->memos_view = e_memo_table_new ();
priv->memos_view_config = e_memo_table_config_new (E_MEMO_TABLE (priv->memos_view));
g_signal_connect (etable, "table_drag_data_get",
G_CALLBACK(table_drag_data_get), memos);
}
/* Class initialization function for the gnome calendar */
static void
e_memos_class_init (EMemosClass *klass)
{
GtkObjectClass *object_class;
object_class = (GtkObjectClass *) klass;
e_memos_signals[SELECTION_CHANGED] =
g_signal_new ("selection_changed",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (EMemosClass, selection_changed),
NULL, NULL,
g_cclosure_marshal_VOID__INT,
G_TYPE_NONE, 1,
G_TYPE_INT);
e_memos_signals[SOURCE_ADDED] =
g_signal_new ("source_added",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (EMemosClass, source_added),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE,
1,
G_TYPE_OBJECT);
e_memos_signals[SOURCE_REMOVED] =
g_signal_new ("source_removed",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (EMemosClass, source_removed),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE,
1,
G_TYPE_OBJECT);
object_class->destroy = e_memos_destroy;
klass->selection_changed = NULL;
klass->source_added = NULL;
klass->source_removed = NULL;
}
static void
categories_changed_cb (gpointer object, gpointer user_data)
{
GList *cat_list;
GPtrArray *cat_array;
EMemosPrivate *priv;
EMemos *memos = user_data;
priv = memos->priv;
cat_array = g_ptr_array_new ();
cat_list = e_categories_get_list ();
while (cat_list != NULL) {
if (e_categories_is_searchable ((const char *) cat_list->data))
g_ptr_array_add (cat_array, cat_list->data);
cat_list = g_list_remove (cat_list, cat_list->data);
}
cal_search_bar_set_categories (CAL_SEARCH_BAR(priv->search_bar), cat_array);
g_ptr_array_free (cat_array, TRUE);
}
/* Object initialization function for the gnome calendar */
static void
e_memos_init (EMemos *memos)
{
EMemosPrivate *priv;
priv = g_new0 (EMemosPrivate, 1);
memos->priv = priv;
setup_config (memos);
setup_widgets (memos);
e_categories_register_change_listener (G_CALLBACK (categories_changed_cb), memos);
priv->clients = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref);
priv->query = NULL;
priv->view_instance = NULL;
priv->view_menus = NULL;
priv->current_uid = NULL;
priv->sexp = g_strdup ("#t");
priv->default_client = NULL;
update_view (memos);
}
GtkWidget *
e_memos_new (void)
{
EMemos *memos;
memos = g_object_new (e_memos_get_type (), NULL);
return GTK_WIDGET (memos);
}
static void
e_memos_destroy (GtkObject *object)
{
EMemos *memos;
EMemosPrivate *priv;
g_return_if_fail (object != NULL);
g_return_if_fail (E_IS_MEMOS (object));
memos = E_MEMOS (object);
priv = memos->priv;
if (priv) {
GList *l;
e_categories_unregister_change_listener (G_CALLBACK (categories_changed_cb), memos);
/* disconnect from signals on all the clients */
for (l = priv->clients_list; l != NULL; l = l->next) {
g_signal_handlers_disconnect_matched (l->data, G_SIGNAL_MATCH_DATA,
0, 0, NULL, NULL, memos);
}
g_hash_table_destroy (priv->clients);
g_list_free (priv->clients_list);
if (priv->current_uid) {
g_free (priv->current_uid);
priv->current_uid = NULL;
}
if (priv->sexp) {
g_free (priv->sexp);
priv->sexp = NULL;
}
if (priv->memos_view_config) {
g_object_unref (priv->memos_view_config);
priv->memos_view_config = NULL;
}
for (l = priv->notifications; l; l = l->next)
calendar_config_remove_notification (GPOINTER_TO_UINT (l->data));
priv->notifications = NULL;
g_free (priv);
memos->priv = NULL;
}
if (GTK_OBJECT_CLASS (e_memos_parent_class)->destroy)
(* GTK_OBJECT_CLASS (e_memos_parent_class)->destroy) (object);
}
static void
set_status_message (EMemos *memos, const char *message, ...)
{
EMemosPrivate *priv;
va_list args;
char sz[2048], *msg_string = NULL;
if (message) {
va_start (args, message);
vsnprintf (sz, sizeof sz, message, args);
va_end (args);
msg_string = sz;
}
priv = memos->priv;
e_memo_table_set_status_message (E_MEMO_TABLE (priv->memos_view), msg_string);
}
/* Callback from the calendar client when the calendar is opened */
static void
client_cal_opened_cb (ECal *ecal, ECalendarStatus status, EMemos *memos)
{
ECalModel *model;
ESource *source;
EMemosPrivate *priv;
priv = memos->priv;
source = e_cal_get_source (ecal);
switch (status) {
case E_CALENDAR_STATUS_OK :
g_signal_handlers_disconnect_matched (ecal, G_SIGNAL_MATCH_FUNC, 0, 0, NULL, client_cal_opened_cb, NULL);
set_status_message (memos, _("Loading memos"));
model = e_memo_table_get_model (E_MEMO_TABLE (priv->memos_view));
e_cal_model_add_client (model, ecal);
set_timezone (memos);
set_status_message (memos, NULL);
break;
case E_CALENDAR_STATUS_BUSY :
break;
case E_CALENDAR_STATUS_REPOSITORY_OFFLINE:
e_error_run (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (memos))), "calendar:prompt-no-contents-offline-memos", NULL);
break;
default :
/* Make sure the source doesn't disappear on us */
g_object_ref (source);
priv->clients_list = g_list_remove (priv->clients_list, ecal);
g_signal_handlers_disconnect_matched (ecal, G_SIGNAL_MATCH_DATA,
0, 0, NULL, NULL, memos);
/* Do this last because it unrefs the client */
g_hash_table_remove (priv->clients, e_source_peek_uid (source));
g_signal_emit (memos, e_memos_signals[SOURCE_REMOVED], 0, source);
set_status_message (memos, NULL);
g_object_unref (source);
break;
}
}
static void
default_client_cal_opened_cb (ECal *ecal, ECalendarStatus status, EMemos *memos)
{
ECalModel *model;
ESource *source;
EMemosPrivate *priv;
priv = memos->priv;
source = e_cal_get_source (ecal);
switch (status) {
case E_CALENDAR_STATUS_OK :
g_signal_handlers_disconnect_matched (ecal, G_SIGNAL_MATCH_FUNC, 0, 0, NULL, default_client_cal_opened_cb, NULL);
model = e_memo_table_get_model (E_MEMO_TABLE (priv->memos_view));
set_timezone (memos);
e_cal_model_set_default_client (model, ecal);
set_status_message (memos, NULL);
break;
case E_CALENDAR_STATUS_BUSY:
break;
default :
/* Make sure the source doesn't disappear on us */
g_object_ref (source);
priv->clients_list = g_list_remove (priv->clients_list, ecal);
g_signal_handlers_disconnect_matched (ecal, G_SIGNAL_MATCH_DATA,
0, 0, NULL, NULL, memos);
/* Do this last because it unrefs the client */
g_hash_table_remove (priv->clients, e_source_peek_uid (source));
g_signal_emit (memos, e_memos_signals[SOURCE_REMOVED], 0, source);
set_status_message (memos, NULL);
g_object_unref (priv->default_client);
priv->default_client = NULL;
g_object_unref (source);
break;
}
}
typedef void (*open_func) (ECal *, ECalendarStatus, EMemos *);
static gboolean
open_ecal (EMemos *memos, ECal *cal, gboolean only_if_exists, open_func of)
{
set_status_message (memos, _("Opening memos at %s"), e_cal_get_uri (cal));
g_signal_connect (G_OBJECT (cal), "cal_opened", G_CALLBACK (of), memos);
e_cal_open_async (cal, only_if_exists);
return TRUE;
}
gboolean
e_memos_remove_memo_source (EMemos *memos, ESource *source)
{
EMemosPrivate *priv;
ECal *client;
ECalModel *model;
const char *uid;
g_return_val_if_fail (memos != NULL, FALSE);
g_return_val_if_fail (E_IS_MEMOS (memos), FALSE);
g_return_val_if_fail (E_IS_SOURCE (source), FALSE);
priv = memos->priv;
uid = e_source_peek_uid (source);
client = g_hash_table_lookup (priv->clients, uid);
if (!client)
return TRUE;
priv->clients_list = g_list_remove (priv->clients_list, client);
g_signal_handlers_disconnect_matched (client, G_SIGNAL_MATCH_DATA,
0, 0, NULL, NULL, memos);
model = e_memo_table_get_model (E_MEMO_TABLE (priv->memos_view));
e_cal_model_remove_client (model, client);
g_hash_table_remove (priv->clients, uid);
g_signal_emit (memos, e_memos_signals[SOURCE_REMOVED], 0, source);
return TRUE;
}
gboolean
e_memos_set_default_source (EMemos *memos, ESource *source)
{
EMemosPrivate *priv;
ECal *ecal;
g_return_val_if_fail (memos != NULL, FALSE);
g_return_val_if_fail (E_IS_MEMOS (memos), FALSE);
g_return_val_if_fail (E_IS_SOURCE (source), FALSE);
priv = memos->priv;
ecal = g_hash_table_lookup (priv->clients, e_source_peek_uid (source));
if (priv->default_client)
g_object_unref (priv->default_client);
if (ecal) {
priv->default_client = g_object_ref (ecal);
} else {
priv->default_client = auth_new_cal_from_source (source, E_CAL_SOURCE_TYPE_JOURNAL);
if (!priv->default_client)
return FALSE;
}
open_ecal (memos, priv->default_client, FALSE, default_client_cal_opened_cb);
return TRUE;
}
ECal *
e_memos_get_default_client (EMemos *memos)
{
EMemosPrivate *priv;
g_return_val_if_fail (memos != NULL, NULL);
g_return_val_if_fail (E_IS_MEMOS (memos), NULL);
priv = memos->priv;
return e_cal_model_get_default_client (e_memo_table_get_model (E_MEMO_TABLE (priv->memos_view)));
}