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path: root/calendar/modules/e-cal-shell-view-private.c
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/*
 * e-cal-shell-view-private.c
 *
 * 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/>  
 *
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#include "e-cal-shell-view-private.h"

#include "calendar/gui/calendar-view-factory.h"
#include "widgets/menus/gal-view-factory-etable.h"

static void
cal_shell_view_process_completed_tasks (ECalShellView *cal_shell_view,
                                        gboolean config_changed)
{
#if 0
    ECalShellContent *cal_shell_content;
    ECalendarTable *task_table;

    cal_shell_content = cal_shell_view->priv->cal_shell_content;
    task_table = e_cal_shell_content_get_task_table (cal_shell_content);

    e_calendar_table_process_completed_tasks (
        task_table, clients, config_changed);
#endif
}

static void
cal_shell_view_config_timezone_changed_cb (GConfClient *client,
                                           guint id,
                                           GConfEntry *entry,
                                           gpointer user_data)
{
    ECalShellView *cal_shell_view = user_data;

    e_cal_shell_view_update_timezone (cal_shell_view);
}

static struct tm
cal_shell_view_get_current_time (ECalendarItem *calitem,
                                 ECalShellView *cal_shell_view)
{
    ECalShellContent *cal_shell_content;
    struct icaltimetype tt;
    icaltimezone *timezone;

    cal_shell_content = cal_shell_view->priv->cal_shell_content;
    timezone = e_cal_shell_content_get_timezone (cal_shell_content);

    tt = icaltime_from_timet_with_zone (time (NULL), FALSE, timezone);

    return icaltimetype_to_tm (&tt);
}

static void
cal_shell_view_mini_calendar_date_range_changed_cb (ECalShellView *cal_shell_view,
                                                    ECalendarItem *calitem)
{
    /* FIXME gnome-calendar.c calls update_query() here. */
}
                                                    
static void
cal_shell_view_mini_calendar_selection_changed_cb (ECalShellView *cal_shell_view,
                                                   ECalendarItem *calitem)
{
    /* FIXME */
}

static void
cal_shell_view_mini_calendar_scroll_event_cb (ECalShellView *cal_shell_view,
                                              GdkEventScroll *event,
                                              ECalendar *mini_calendar)
{
    ECalendarItem *calitem;
    GDate start_date, end_date;

    calitem = mini_calendar->calitem;
    if (!e_calendar_item_get_selection (calitem, &start_date, &end_date))
        return;

    switch (event->direction) {
        case GDK_SCROLL_UP:
            g_date_subtract_months (&start_date, 1);
            g_date_subtract_months (&end_date, 1);
            break;

        case GDK_SCROLL_DOWN:
            g_date_add_months (&start_date, 1);
            g_date_add_months (&end_date, 1);
            break;

        default:
            g_return_if_reached ();
    }

    /* XXX Does ECalendarItem emit a signal for this?  If so, maybe
     *     we could move this handler into ECalShellSidebar. */
    e_calendar_item_set_selection (calitem, &start_date, &end_date);

    cal_shell_view_mini_calendar_date_range_changed_cb (
        cal_shell_view, calitem);
}

static gboolean
cal_shell_view_selector_popup_event_cb (EShellView *shell_view,
                                        ESource *primary_source,
                                        GdkEventButton *event)
{
    const gchar *widget_path;

    widget_path = "/calendar-popup";
    e_shell_view_show_popup_menu (shell_view, widget_path, event);

    return TRUE;
}

static void
cal_shell_view_memopad_popup_event_cb (EShellView *shell_view,
                                       GdkEventButton *event)
{
    const gchar *widget_path;

    widget_path = "/calendar-memopad-popup";
    e_shell_view_show_popup_menu (shell_view, widget_path, event);
}

static void
cal_shell_view_taskpad_popup_event_cb (EShellView *shell_view,
                                       GdkEventButton *event)
{
    const gchar *widget_path;

    widget_path = "/calendar-taskpad-popup";
    e_shell_view_show_popup_menu (shell_view, widget_path, event);
}

static void
cal_shell_view_load_view_collection (EShellViewClass *shell_view_class)
{
    GalViewCollection *collection;
    GalViewFactory *factory;
    ETableSpecification *spec;
    const gchar *base_dir;
    gchar *filename;

    collection = shell_view_class->view_collection;

    base_dir = EVOLUTION_ETSPECDIR;
    spec = e_table_specification_new ();
    filename = g_build_filename (base_dir, ETSPEC_FILENAME, NULL);
    if (!e_table_specification_load_from_file (spec, filename))
        g_critical ("Unable to load ETable specification file "
                "for calendars");
    g_free (filename);

    factory = calendar_view_factory_new (GNOME_CAL_DAY_VIEW);
    gal_view_collection_add_factory (collection, factory);
    g_object_unref (factory);

    factory = calendar_view_factory_new (GNOME_CAL_WORK_WEEK_VIEW);
    gal_view_collection_add_factory (collection, factory);
    g_object_unref (factory);

    factory = calendar_view_factory_new (GNOME_CAL_WEEK_VIEW);
    gal_view_collection_add_factory (collection, factory);
    g_object_unref (factory);

    factory = calendar_view_factory_new (GNOME_CAL_MONTH_VIEW);
    gal_view_collection_add_factory (collection, factory);
    g_object_unref (factory);

    factory = gal_view_factory_etable_new (spec);
    gal_view_collection_add_factory (collection, factory);
    g_object_unref (factory);
    g_object_unref (spec);

    gal_view_collection_load (collection);
}

static void
cal_shell_view_notify_view_id_cb (ECalShellView *cal_shell_view)
{
    ECalShellContent *cal_shell_content;
    GalViewInstance *view_instance;
    const gchar *view_id;

    cal_shell_content = cal_shell_view->priv->cal_shell_content;
    view_instance =
        e_cal_shell_content_get_view_instance (cal_shell_content);
    view_id = e_shell_view_get_view_id (E_SHELL_VIEW (cal_shell_view));

    /* A NULL view ID implies we're in a custom view.  But you can
     * only get to a custom view via the "Define Views" dialog, which
     * would have already modified the view instance appropriately.
     * Furthermore, there's no way to refer to a custom view by ID
     * anyway, since custom views have no IDs. */
    if (view_id == NULL)
        return;

    gal_view_instance_set_current_view_id (view_instance, view_id);
}

void
e_cal_shell_view_private_init (ECalShellView *cal_shell_view,
                               EShellViewClass *shell_view_class)
{
    if (!gal_view_collection_loaded (shell_view_class->view_collection))
        cal_shell_view_load_view_collection (shell_view_class);

    g_signal_connect (
        cal_shell_view, "notify::view-id",
        G_CALLBACK (cal_shell_view_notify_view_id_cb), NULL);
}

void
e_cal_shell_view_private_constructed (ECalShellView *cal_shell_view)
{
    ECalShellViewPrivate *priv = cal_shell_view->priv;
    ECalShellContent *cal_shell_content;
    ECalShellSidebar *cal_shell_sidebar;
    EShellBackend *shell_backend;
    EShellContent *shell_content;
    EShellSidebar *shell_sidebar;
    EShellWindow *shell_window;
    EShellView *shell_view;
    GnomeCalendar *calendar;
    ECalendar *mini_calendar;
    EMemoTable *memo_table;
    ECalendarTable *task_table;
    ESourceSelector *selector;
    guint id;

    shell_view = E_SHELL_VIEW (cal_shell_view);
    shell_backend = e_shell_view_get_shell_backend (shell_view);
    shell_content = e_shell_view_get_shell_content (shell_view);
    shell_sidebar = e_shell_view_get_shell_sidebar (shell_view);
    shell_window = e_shell_view_get_shell_window (shell_view);

    e_shell_window_add_action_group (shell_window, "calendar");
    e_shell_window_add_action_group (shell_window, "calendar-filter");

    /* Cache these to avoid lots of awkward casting. */
    priv->cal_shell_backend = g_object_ref (shell_backend);
    priv->cal_shell_content = g_object_ref (shell_content);
    priv->cal_shell_sidebar = g_object_ref (shell_sidebar);

    cal_shell_content = E_CAL_SHELL_CONTENT (shell_content);
    calendar = e_cal_shell_content_get_calendar (cal_shell_content);
    memo_table = e_cal_shell_content_get_memo_table (cal_shell_content);
    task_table = e_cal_shell_content_get_task_table (cal_shell_content);

    cal_shell_sidebar = E_CAL_SHELL_SIDEBAR (shell_sidebar);
    selector = e_cal_shell_sidebar_get_selector (cal_shell_sidebar);
    mini_calendar = e_cal_shell_sidebar_get_mini_calendar (cal_shell_sidebar);

    e_calendar_item_set_get_time_callback (
        mini_calendar->calitem, (ECalendarItemGetTimeCallback)
        cal_shell_view_get_current_time, cal_shell_view, NULL);

#if 0 /* KILL-BONOBO */
    g_signal_connect_swapped (
        calendar, "dates-shown-changed",
        G_CALLBACK (e_cal_shell_view_update_sidebar),
        cal_shell_view);
#endif

    g_signal_connect_swapped (
        mini_calendar, "scroll-event",
        G_CALLBACK (cal_shell_view_mini_calendar_scroll_event_cb),
        cal_shell_view);

    g_signal_connect_swapped (
        mini_calendar->calitem, "date-range-changed",
        G_CALLBACK (cal_shell_view_mini_calendar_date_range_changed_cb),
        cal_shell_view);

    g_signal_connect_swapped (
        mini_calendar->calitem, "selection-changed",
        G_CALLBACK (cal_shell_view_mini_calendar_selection_changed_cb),
        cal_shell_view);

    g_signal_connect_swapped (
        selector, "popup-event",
        G_CALLBACK (cal_shell_view_selector_popup_event_cb),
        cal_shell_view);

    g_signal_connect_swapped (
        memo_table, "popup-event",
        G_CALLBACK (cal_shell_view_memopad_popup_event_cb),
        cal_shell_view);

    g_signal_connect_swapped (
        memo_table, "status-message",
        G_CALLBACK (e_cal_shell_view_memopad_set_status_message),
        cal_shell_view);

    g_signal_connect_swapped (
        task_table, "popup-event",
        G_CALLBACK (cal_shell_view_taskpad_popup_event_cb),
        cal_shell_view);

    g_signal_connect_swapped (
        task_table, "status-message",
        G_CALLBACK (e_cal_shell_view_taskpad_set_status_message),
        cal_shell_view);

    g_signal_connect_swapped (
        e_memo_table_get_table (memo_table), "selection-change",
        G_CALLBACK (e_cal_shell_view_memopad_actions_update),
        cal_shell_view);

    g_signal_connect_swapped (
        e_calendar_table_get_table (task_table), "selection-change",
        G_CALLBACK (e_cal_shell_view_taskpad_actions_update),
        cal_shell_view);

    e_categories_register_change_listener (
        G_CALLBACK (e_cal_shell_view_update_search_filter),
        cal_shell_view);

    /* Listen for configuration changes. */

    /* Timezone */
    id = calendar_config_add_notification_timezone (
        cal_shell_view_config_timezone_changed_cb, cal_shell_view);
    priv->notifications = g_list_prepend (
        priv->notifications, GUINT_TO_POINTER (id));

    e_cal_shell_view_actions_init (cal_shell_view);
    e_cal_shell_view_update_sidebar (cal_shell_view);
        e_cal_shell_view_update_search_filter (cal_shell_view);
    e_cal_shell_view_update_timezone (cal_shell_view);
}

void
e_cal_shell_view_private_dispose (ECalShellView *cal_shell_view)
{
    ECalShellViewPrivate *priv = cal_shell_view->priv;
    GList *iter;

    DISPOSE (priv->cal_shell_backend);
    DISPOSE (priv->cal_shell_content);
    DISPOSE (priv->cal_shell_sidebar);

    if (priv->calendar_activity != NULL) {
        /* XXX Activity is not cancellable. */
        e_activity_complete (priv->calendar_activity);
        g_object_unref (priv->calendar_activity);
        priv->calendar_activity = NULL;
    }

    if (priv->memopad_activity != NULL) {
        /* XXX Activity is not cancellable. */
        e_activity_complete (priv->memopad_activity);
        g_object_unref (priv->memopad_activity);
        priv->memopad_activity = NULL;
    }

    if (priv->taskpad_activity != NULL) {
        /* XXX Activity is not cancellable. */
        e_activity_complete (priv->taskpad_activity);
        g_object_unref (priv->taskpad_activity);
        priv->taskpad_activity = NULL;
    }

    for (iter = priv->notifications; iter != NULL; iter = iter->next) {
        guint notification_id = GPOINTER_TO_UINT (iter->data);
        calendar_config_remove_notification (notification_id);
    }
    g_list_free (priv->notifications);
    priv->notifications = NULL;
}

void
e_cal_shell_view_private_finalize (ECalShellView *cal_shell_view)
{
    /* XXX Nothing to do? */
}

void
e_cal_shell_view_execute_search (ECalShellView *cal_shell_view)
{
    /* FIXME */
}

void
e_cal_shell_view_open_event (ECalShellView *cal_shell_view,
                             ECalModelComponent *comp_data)
{
    EShell *shell;
    EShellView *shell_view;
    EShellWindow *shell_window;
    CompEditor *editor;
    CompEditorFlags flags = 0;
    ECalComponent *comp;
    icalcomponent *clone;
    icalproperty *prop;
    const gchar *uid;

    g_return_if_fail (E_IS_CAL_SHELL_VIEW (cal_shell_view));
    g_return_if_fail (E_IS_CAL_MODEL_COMPONENT (comp_data));

    shell_view = E_SHELL_VIEW (cal_shell_view);
    shell_window = e_shell_view_get_shell_window (shell_view);
    shell = e_shell_window_get_shell (shell_window);

    uid = icalcomponent_get_uid (comp_data->icalcomp);
    editor = comp_editor_find_instance (uid);

    if (editor != NULL)
        goto exit;

    comp = e_cal_component_new ();
    clone = icalcomponent_new_clone (comp_data->icalcomp);
    e_cal_component_set_icalcomponent (comp, clone);

    prop = icalcomponent_get_first_property (
        comp_data->icalcomp, ICAL_ATTENDEE_PROPERTY);
    if (prop != NULL)
        flags |= COMP_EDITOR_MEETING;

    if (itip_organizer_is_user (comp, comp_data->client))
        flags |= COMP_EDITOR_USER_ORG;

    if (itip_sentby_is_user (comp, comp_data->client))
        flags |= COMP_EDITOR_USER_ORG;

    if (!e_cal_component_has_attendees (comp))
        flags |= COMP_EDITOR_USER_ORG;

    editor = event_editor_new (comp_data->client, shell, flags);
    comp_editor_edit_comp (editor, comp);

    g_object_ref (comp);

exit:
    gtk_window_present (GTK_WINDOW (editor));
}

void
e_cal_shell_view_set_status_message (ECalShellView *cal_shell_view,
                                     const gchar *status_message,
                                     gdouble percent)
{
    EActivity *activity;
    EShellView *shell_view;
    EShellBackend *shell_backend;

    g_return_if_fail (E_IS_CAL_SHELL_VIEW (cal_shell_view));

    shell_view = E_SHELL_VIEW (cal_shell_view);
    shell_backend = e_shell_view_get_shell_backend (shell_view);

    activity = cal_shell_view->priv->calendar_activity;

    if (status_message == NULL || *status_message == '\0') {
        if (activity != NULL) {
            e_activity_complete (activity);
            g_object_unref (activity);
            activity = NULL;
        }

    } else if (activity == NULL) {
        activity = e_activity_new (status_message);
        e_activity_set_percent (activity, percent);
        e_shell_backend_add_activity (shell_backend, activity);

    } else {
        e_activity_set_percent (activity, percent);
        e_activity_set_primary_text (activity, status_message);
    }

    cal_shell_view->priv->calendar_activity = activity;
}

void
e_cal_shell_view_update_sidebar (ECalShellView *cal_shell_view)
{
#if 0  /* KILL-BONOBO */
    EShellView *shell_view;
    EShellSidebar *shell_sidebar;
    GnomeCalendar *calendar;
    GnomeCalendarViewType view;
    time_t start_time, end_time;
    struct tm start_tm, end_tm;
    struct icaltimetype start_tt, end_tt;
    icaltimezone *timezone;
    gchar buffer[512];
    gchar end_buffer[512];

    g_return_if_fail (E_IS_CAL_SHELL_VIEW (cal_shell_view));

    shell_view = E_SHELL_VIEW (cal_shell_view);
    shell_sidebar = e_shell_view_get_shell_sidebar (shell_view);

    calendar = e_cal_shell_view_get_calendar (cal_shell_view);

    gnome_calendar_get_visible_time_range (
        calendar, &start_time, &end_time);
    timezone = gnome_calendar_get_timezone (calendar);
    view = gnome_calendar_get_view (calendar);

    start_tt = icaltime_from_timet_with_zone (start_time, FALSE, timezone);
    start_tm.tm_year = start_tt.year - 1900;
    start_tm.tm_mon = start_tt.month - 1;
    start_tm.tm_mday = start_tt.day;
    start_tm.tm_hour = start_tt.hour;
    start_tm.tm_min = start_tt.minute;
    start_tm.tm_sec = start_tt.second;
    start_tm.tm_isdst = -1;
    start_tm.tm_wday = time_day_of_week (
        start_tt.day, start_tt.month - 1, start_tt.year);

    /* Subtract one from end_time so we don't get an extra day. */
    end_tt = icaltime_from_timet_with_zone (end_time - 1, FALSE, timezone);
    end_tm.tm_year = end_tt.year - 1900;
    end_tm.tm_mon = end_tt.month - 1;
    end_tm.tm_mday = end_tt.day;
    end_tm.tm_hour = end_tt.hour;
    end_tm.tm_min = end_tt.minute;
    end_tm.tm_sec = end_tt.second;
    end_tm.tm_isdst = -1;
    end_tm.tm_wday = time_day_of_week (
        end_tt.day, end_tt.month - 1, end_tt.year);

    switch (view) {
        case GNOME_CAL_DAY_VIEW:
        case GNOME_CAL_WORK_WEEK_VIEW:
        case GNOME_CAL_WEEK_VIEW:
            if (start_tm.tm_year == end_tm.tm_year &&
                start_tm.tm_mon == end_tm.tm_mon &&
                start_tm.tm_mday == end_tm.tm_mday) {
                e_utf8_strftime (
                    buffer, sizeof (buffer),
                    _("%A %d %b %Y"), &start_tm);
            } else if (start_tm.tm_year == end_tm.tm_year) {
                e_utf8_strftime (
                    buffer, sizeof (buffer),
                    _("%a %d %b"), &start_tm);
                e_utf8_strftime (
                    end_buffer, sizeof (end_buffer),
                    _("%a %d %b %Y"), &end_tm);
                strcat (buffer, " - ");
                strcat (buffer, end_buffer);
            } else {
                e_utf8_strftime (
                    buffer, sizeof (buffer),
                    _("%a %d %b %Y"), &start_tm);
                e_utf8_strftime (
                    end_buffer, sizeof (end_buffer),
                    _("%a %d %b %Y"), &end_tm);
                strcat (buffer, " - ");
                strcat (buffer, end_buffer);
            }
            break;

        case GNOME_CAL_MONTH_VIEW:
        case GNOME_CAL_LIST_VIEW:
            if (start_tm.tm_year == end_tm.tm_year) {
                if (start_tm.tm_mon == end_tm.tm_mon) {
                    e_utf8_strftime (
                        buffer,
                        sizeof (buffer),
                        "%d", &start_tm);
                    e_utf8_strftime (
                        end_buffer,
                        sizeof (end_buffer),
                        _("%d %b %Y"), &end_tm);
                    strcat (buffer, " - ");
                    strcat (buffer, end_buffer);
                } else {
                    e_utf8_strftime (
                        buffer,
                        sizeof (buffer),
                        _("%d %b"), &start_tm);
                    e_utf8_strftime (
                        end_buffer,
                        sizeof (end_buffer),
                        _("%d %b %Y"), &end_tm);
                    strcat (buffer, " - ");
                    strcat (buffer, end_buffer);
                }
            } else {
                e_utf8_strftime (
                    buffer, sizeof (buffer),
                    _("%d %b %Y"), &start_tm);
                e_utf8_strftime (
                    end_buffer, sizeof (end_buffer),
                    _("%d %b %Y"), &end_tm);
                strcat (buffer, " - ");
                strcat (buffer, end_buffer);
            }
            break;

        default:
            g_return_if_reached ();
    }

    e_shell_sidebar_set_secondary_text (shell_sidebar, buffer);
#endif
}

void
e_cal_shell_view_update_timezone (ECalShellView *cal_shell_view)
{
#if 0
    ECalShellContent *cal_shell_content;
    ECalShellSidebar *cal_shell_sidebar;
    GnomeCalendarViewType view_type;
    ECalendarView *calendar_view;
    icaltimezone *timezone;
    GList *clients, *iter;

    cal_shell_content = cal_shell_view->priv->cal_shell_content;
    view_type = e_cal_shell_content_get_current_view (cal_shell_content);
    calendar_view = e_cal_shell_content_get_calendar_view (
        cal_shell_content, view_type);

    cal_shell_sidebar = cal_shell_view->priv->cal_shell_sidebar;
    clients = e_cal_shell_sidebar_get_clients (cal_shell_sidebar);

    timezone = calendar_config_get_icaltimezone ();

    for (iter = clients; iter != NULL; iter = iter->next) {
        ECal *client = iter->data;

        if (e_cal_get_load_state (client) == E_CAL_LOAD_LOADED)
            e_cal_set_default_timezone (client, timezone, NULL);
    }

    e_calendar_view_set_icaltimezone (calendar_view, timezone);

    g_list_free (clients);
#endif
}