path: root/modules/calendar/e-cal-shell-view.c

/*
 * e-cal-shell-view.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)
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

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

#include "calendar/gui/calendar-view.h"

G_DEFINE_DYNAMIC_TYPE (
    ECalShellView,
    e_cal_shell_view,
    E_TYPE_SHELL_VIEW)

static void
cal_shell_view_add_action_button (GtkBox *box,
                                  GtkAction *action)
{
    GtkWidget *button, *icon;

    button = gtk_button_new ();
    icon = gtk_action_create_icon (action, GTK_ICON_SIZE_BUTTON);
    gtk_button_set_image (GTK_BUTTON (button), icon);
    gtk_box_pack_start (box, button, FALSE, FALSE, 0);
    gtk_widget_show (button);

    g_object_bind_property (
        action, "visible",
        button, "visible",
        G_BINDING_SYNC_CREATE);

    g_object_bind_property (
        action, "sensitive",
        button, "sensitive",
        G_BINDING_SYNC_CREATE);

    g_object_bind_property (
        action, "tooltip",
        button, "tooltip-text",
        G_BINDING_SYNC_CREATE);

    g_signal_connect_swapped (
        button, "clicked",
        G_CALLBACK (gtk_action_activate), action);
}

static void
cal_shell_view_prepare_for_quit_cb (EShell *shell,
                                    EActivity *activity,
                                    ECalShellView *cal_shell_view)
{
    g_return_if_fail (E_IS_CAL_SHELL_VIEW (cal_shell_view));

    /* Stop running searches, if any; the activity tight
     * on the search prevents application from quitting. */
    e_cal_shell_view_search_stop (cal_shell_view);
}

static void
cal_shell_view_dispose (GObject *object)
{
    e_cal_shell_view_private_dispose (E_CAL_SHELL_VIEW (object));

    /* Chain up to parent's dispose() method. */
    G_OBJECT_CLASS (e_cal_shell_view_parent_class)->dispose (object);
}

static void
cal_shell_view_finalize (GObject *object)
{
    e_cal_shell_view_private_finalize (E_CAL_SHELL_VIEW (object));

    /* Chain up to parent's finalize() method. */
    G_OBJECT_CLASS (e_cal_shell_view_parent_class)->finalize (object);
}

static void
cal_shell_view_constructed (GObject *object)
{
    EShell *shell;
    EShellView *shell_view;
    EShellWindow *shell_window;
    EShellSearchbar *searchbar;
    ECalShellView *cal_shell_view;
    ECalShellContent *cal_shell_content;
    GtkWidget *container;
    GtkWidget *widget;
    gulong handler_id;

    /* Chain up to parent's constructed() method. */
    G_OBJECT_CLASS (e_cal_shell_view_parent_class)->constructed (object);

    cal_shell_view = E_CAL_SHELL_VIEW (object);
    e_cal_shell_view_private_constructed (cal_shell_view);

    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);

    cal_shell_content = cal_shell_view->priv->cal_shell_content;
    searchbar = e_cal_shell_content_get_searchbar (cal_shell_content);
    container = e_shell_searchbar_get_search_box (searchbar);

    widget = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
    cal_shell_view_add_action_button (
        GTK_BOX (widget), ACTION (CALENDAR_SEARCH_PREV));
    cal_shell_view_add_action_button (
        GTK_BOX (widget), ACTION (CALENDAR_SEARCH_NEXT));
    cal_shell_view_add_action_button (
        GTK_BOX (widget), ACTION (CALENDAR_SEARCH_STOP));
    gtk_container_add (GTK_CONTAINER (container), widget);
    gtk_widget_show (widget);

    handler_id = g_signal_connect (
        shell, "prepare-for-quit",
        G_CALLBACK (cal_shell_view_prepare_for_quit_cb),
        cal_shell_view);

    cal_shell_view->priv->shell = g_object_ref (shell);
    cal_shell_view->priv->prepare_for_quit_handler_id = handler_id;
}

static void
cal_shell_view_execute_search (EShellView *shell_view)
{
    ECalShellContent *cal_shell_content;
    ECalShellSidebar *cal_shell_sidebar;
    EShellWindow *shell_window;
    EShellContent *shell_content;
    EShellSidebar *shell_sidebar;
    EShellSearchbar *searchbar;
    EActionComboBox *combo_box;
    GnomeCalendar *calendar;
    ECalendar *date_navigator;
    ECalModel *model;
    GtkRadioAction *action;
    icaltimezone *timezone;
    const gchar *default_tzloc = NULL;
    struct icaltimetype current_time;
    time_t start_range;
    time_t end_range;
    time_t now_time;
    gboolean range_search;
    gchar *start, *end;
    gchar *query;
    gchar *temp;
    gint value;

    e_cal_shell_view_search_stop (E_CAL_SHELL_VIEW (shell_view));

    shell_window = e_shell_view_get_shell_window (shell_view);
    shell_content = e_shell_view_get_shell_content (shell_view);
    shell_sidebar = e_shell_view_get_shell_sidebar (shell_view);

    cal_shell_content = E_CAL_SHELL_CONTENT (shell_content);
    cal_shell_sidebar = E_CAL_SHELL_SIDEBAR (shell_sidebar);

    searchbar = e_cal_shell_content_get_searchbar (cal_shell_content);

    calendar = e_cal_shell_content_get_calendar (cal_shell_content);
    model = gnome_calendar_get_model (calendar);
    timezone = e_cal_model_get_timezone (model);
    current_time = icaltime_current_time_with_zone (timezone);
    now_time = time_day_begin (icaltime_as_timet (current_time));

    if (timezone && timezone != icaltimezone_get_utc_timezone ())
        default_tzloc = icaltimezone_get_location (timezone);
    if (!default_tzloc)
        default_tzloc = "";

    action = GTK_RADIO_ACTION (ACTION (CALENDAR_SEARCH_ANY_FIELD_CONTAINS));
    value = gtk_radio_action_get_current_value (action);

    if (value == CALENDAR_SEARCH_ADVANCED) {
        query = e_shell_view_get_search_query (shell_view);

        if (!query)
            query = g_strdup ("");
    } else {
        const gchar *format;
        const gchar *text;
        GString *string;

        text = e_shell_searchbar_get_search_text (searchbar);

        if (text == NULL || *text == '\0') {
            text = "";
            value = CALENDAR_SEARCH_SUMMARY_CONTAINS;
        }

        switch (value) {
            default:
                text = "";
                /* fall through */

            case CALENDAR_SEARCH_SUMMARY_CONTAINS:
                format = "(contains? \"summary\" %s)";
                break;

            case CALENDAR_SEARCH_DESCRIPTION_CONTAINS:
                format = "(contains? \"description\" %s)";
                break;

            case CALENDAR_SEARCH_ANY_FIELD_CONTAINS:
                format = "(contains? \"any\" %s)";
                break;
        }

        /* Build the query. */
        string = g_string_new ("");
        e_sexp_encode_string (string, text);
        query = g_strdup_printf (format, string->str);
        g_string_free (string, TRUE);
    }

    range_search = FALSE;
    start_range = end_range = 0;

    /* Apply selected filter. */
    combo_box = e_shell_searchbar_get_filter_combo_box (searchbar);
    value = e_action_combo_box_get_current_value (combo_box);
    switch (value) {
        case CALENDAR_FILTER_ANY_CATEGORY:
            break;

        case CALENDAR_FILTER_UNMATCHED:
            temp = g_strdup_printf (
                "(and (has-categories? #f) %s)", query);
            g_free (query);
            query = temp;
            break;

        case CALENDAR_FILTER_ACTIVE_APPOINTMENTS:
            /* Show a year's worth of appointments. */
            start_range = now_time;
            end_range = time_day_end (time_add_day (start_range, 365));
            start = isodate_from_time_t (start_range);
            end = isodate_from_time_t (end_range);

            temp = g_strdup_printf (
                "(and %s (occur-in-time-range? "
                "(make-time \"%s\") "
                "(make-time \"%s\") \"%s\"))",
                query, start, end, default_tzloc);
            g_free (query);
            query = temp;

            range_search = TRUE;
            break;

        case CALENDAR_FILTER_NEXT_7_DAYS_APPOINTMENTS:
            start_range = now_time;
            end_range = time_day_end (time_add_day (start_range, 7));
            start = isodate_from_time_t (start_range);
            end = isodate_from_time_t (end_range);

            temp = g_strdup_printf (
                "(and %s (occur-in-time-range? "
                "(make-time \"%s\") "
                "(make-time \"%s\") \"%s\"))",
                query, start, end, default_tzloc);
            g_free (query);
            query = temp;

            range_search = TRUE;
            break;

        case CALENDAR_FILTER_OCCURS_LESS_THAN_5_TIMES:
            temp = g_strdup_printf (
                "(and %s (< (occurrences-count?) 5))", query);
            g_free (query);
            query = temp;
            break;

        default:
        {
            GList *categories;
            const gchar *category_name;

            categories = e_util_get_searchable_categories ();
            category_name = g_list_nth_data (categories, value);
            g_list_free (categories);

            temp = g_strdup_printf (
                "(and (has-categories? \"%s\") %s)",
                category_name, query);
            g_free (query);
            query = temp;
            break;
        }
    }

    date_navigator = e_cal_shell_sidebar_get_date_navigator (cal_shell_sidebar);

    if (range_search) {
        /* Switch to list view and hide the date navigator. */
        action = GTK_RADIO_ACTION (ACTION (CALENDAR_VIEW_LIST));
        gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), TRUE);
        gtk_widget_hide (GTK_WIDGET (date_navigator));
    } else {
        /* Ensure the date navigator is visible. */
        gtk_widget_show (GTK_WIDGET (date_navigator));
    }

    /* Submit the query. */
    gnome_calendar_set_search_query (
        calendar, query, range_search, start_range, end_range);
    g_free (query);

    /* Update actions so Find Prev/Next/Stop
     * buttons will be sensitive as expected. */
    e_shell_view_update_actions (shell_view);
}

static void
cal_shell_view_update_actions (EShellView *shell_view)
{
    ECalShellViewPrivate *priv;
    ECalShellContent *cal_shell_content;
    EShellContent *shell_content;
    EShellSidebar *shell_sidebar;
    EShellWindow *shell_window;
    EShell *shell;
    ESource *source;
    ESourceRegistry *registry;
    GnomeCalendar *calendar;
    ECalendarView *cal_view;
    EMemoTable *memo_table;
    ETaskTable *task_table;
    ECalModel *model;
    GtkAction *action;
    const gchar *model_sexp;
    gboolean is_searching;
    gboolean sensitive;
    guint32 state;

    /* Be descriptive. */
    gboolean any_events_selected;
    gboolean has_mail_identity = FALSE;
    gboolean has_primary_source;
    gboolean primary_source_is_writable;
    gboolean primary_source_is_removable;
    gboolean primary_source_is_remote_deletable;
    gboolean primary_source_in_collection;
    gboolean multiple_events_selected;
    gboolean selection_is_editable;
    gboolean selection_is_instance;
    gboolean selection_is_meeting;
    gboolean selection_is_recurring;
    gboolean selection_can_delegate;
    gboolean single_event_selected;
    gboolean refresh_supported;

    /* Chain up to parent's update_actions() method. */
    E_SHELL_VIEW_CLASS (e_cal_shell_view_parent_class)->
        update_actions (shell_view);

    priv = E_CAL_SHELL_VIEW_GET_PRIVATE (shell_view);

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

    registry = e_shell_get_registry (shell);
    source = e_source_registry_ref_default_mail_identity (registry);
    has_mail_identity = (source != NULL);
    if (source != NULL) {
        has_mail_identity = TRUE;
        g_object_unref (source);
    }

    cal_shell_content = priv->cal_shell_content;
    calendar = e_cal_shell_content_get_calendar (cal_shell_content);
    cal_view = gnome_calendar_get_calendar_view (calendar, gnome_calendar_get_view (calendar));
    memo_table = e_cal_shell_content_get_memo_table (cal_shell_content);
    task_table = e_cal_shell_content_get_task_table (cal_shell_content);
    model = gnome_calendar_get_model (calendar);
    model_sexp = e_cal_model_get_search_query (model);
    is_searching = model_sexp && *model_sexp &&
        g_strcmp0 (model_sexp, "#t") != 0 &&
        g_strcmp0 (model_sexp, "(contains? \"summary\"  \"\")") != 0;

    shell_content = e_shell_view_get_shell_content (shell_view);
    state = e_shell_content_check_state (shell_content);

    single_event_selected =
        (state & E_CAL_SHELL_CONTENT_SELECTION_SINGLE);
    multiple_events_selected =
        (state & E_CAL_SHELL_CONTENT_SELECTION_MULTIPLE);
    selection_is_editable =
        (state & E_CAL_SHELL_CONTENT_SELECTION_IS_EDITABLE);
    selection_is_instance =
        (state & E_CAL_SHELL_CONTENT_SELECTION_IS_INSTANCE);
    selection_is_meeting =
        (state & E_CAL_SHELL_CONTENT_SELECTION_IS_MEETING);
    selection_is_recurring =
        (state & E_CAL_SHELL_CONTENT_SELECTION_IS_RECURRING);
    selection_can_delegate =
        (state & E_CAL_SHELL_CONTENT_SELECTION_CAN_DELEGATE);

    shell_sidebar = e_shell_view_get_shell_sidebar (shell_view);
    state = e_shell_sidebar_check_state (shell_sidebar);

    has_primary_source =
        (state & E_CAL_SHELL_SIDEBAR_HAS_PRIMARY_SOURCE);
    primary_source_is_writable =
        (state & E_CAL_SHELL_SIDEBAR_PRIMARY_SOURCE_IS_WRITABLE);
    primary_source_is_removable =
        (state & E_CAL_SHELL_SIDEBAR_PRIMARY_SOURCE_IS_REMOVABLE);
    primary_source_is_remote_deletable =
        (state & E_CAL_SHELL_SIDEBAR_PRIMARY_SOURCE_IS_REMOTE_DELETABLE);
    primary_source_in_collection =
        (state & E_CAL_SHELL_SIDEBAR_PRIMARY_SOURCE_IN_COLLECTION);
    refresh_supported =
        (state & E_CAL_SHELL_SIDEBAR_SOURCE_SUPPORTS_REFRESH);

    any_events_selected =
        (single_event_selected || multiple_events_selected);

    action = ACTION (CALENDAR_COPY);
    sensitive = has_primary_source;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (CALENDAR_DELETE);
    sensitive =
        primary_source_is_removable ||
        primary_source_is_remote_deletable;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (CALENDAR_PROPERTIES);
    sensitive = primary_source_is_writable;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (CALENDAR_REFRESH);
    sensitive = refresh_supported;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (CALENDAR_RENAME);
    sensitive =
        primary_source_is_writable &&
        !primary_source_in_collection;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (CALENDAR_SEARCH_PREV);
    gtk_action_set_sensitive (action, is_searching);

    action = ACTION (CALENDAR_SEARCH_NEXT);
    gtk_action_set_sensitive (action, is_searching);

    action = ACTION (CALENDAR_SEARCH_STOP);
    sensitive = is_searching && priv->searching_activity != NULL;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (EVENT_DELEGATE);
    sensitive =
        single_event_selected &&
        selection_is_editable &&
        selection_can_delegate &&
        selection_is_meeting;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (EVENT_DELETE);
    sensitive =
        any_events_selected &&
        selection_is_editable &&
        !selection_is_recurring;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (EVENT_DELETE_OCCURRENCE);
    sensitive =
        any_events_selected &&
        selection_is_editable &&
        selection_is_recurring;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (EVENT_DELETE_OCCURRENCE_ALL);
    sensitive =
        any_events_selected &&
        selection_is_editable &&
        selection_is_recurring;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (EVENT_FORWARD);
    sensitive = single_event_selected;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (EVENT_OCCURRENCE_MOVABLE);
    sensitive =
        single_event_selected &&
        selection_is_editable &&
        selection_is_recurring &&
        selection_is_instance;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (EVENT_OPEN);
    sensitive = single_event_selected;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (EVENT_PRINT);
    sensitive = single_event_selected;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (EVENT_SAVE_AS);
    sensitive = single_event_selected;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (EVENT_SCHEDULE);
    sensitive =
        single_event_selected &&
        selection_is_editable &&
        !selection_is_meeting;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (EVENT_SCHEDULE_APPOINTMENT);
    sensitive =
        single_event_selected &&
        selection_is_editable &&
        selection_is_meeting;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (EVENT_REPLY);
    sensitive = single_event_selected && selection_is_meeting;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (EVENT_REPLY_ALL);
    sensitive = single_event_selected && selection_is_meeting;
    gtk_action_set_sensitive (action, sensitive);

    action = ACTION (EVENT_MEETING_NEW);
    gtk_action_set_visible (action, has_mail_identity);

    if ((cal_view && e_calendar_view_is_editing (cal_view)) ||
        e_table_is_editing (E_TABLE (memo_table)) ||
        e_table_is_editing (E_TABLE (task_table))) {
        EFocusTracker *focus_tracker;

        /* disable all clipboard actions, if any of the views is in editing mode */
        focus_tracker = e_shell_window_get_focus_tracker (shell_window);

        action = e_focus_tracker_get_cut_clipboard_action (focus_tracker);
        if (action)
            gtk_action_set_sensitive (action, FALSE);

        action = e_focus_tracker_get_copy_clipboard_action (focus_tracker);
        if (action)
            gtk_action_set_sensitive (action, FALSE);

        action = e_focus_tracker_get_paste_clipboard_action (focus_tracker);
        if (action)
            gtk_action_set_sensitive (action, FALSE);

        action = e_focus_tracker_get_delete_selection_action (focus_tracker);
        if (action)
            gtk_action_set_sensitive (action, FALSE);
    }
}

static void
e_cal_shell_view_class_init (ECalShellViewClass *class)
{
    GObjectClass *object_class;
    EShellViewClass *shell_view_class;

    g_type_class_add_private (class, sizeof (ECalShellViewPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->dispose = cal_shell_view_dispose;
    object_class->finalize = cal_shell_view_finalize;
    object_class->constructed = cal_shell_view_constructed;

    shell_view_class = E_SHELL_VIEW_CLASS (class);
    shell_view_class->label = _("Calendar");
    shell_view_class->icon_name = "x-office-calendar";
    shell_view_class->ui_definition = "evolution-calendars.ui";
    shell_view_class->ui_manager_id = "org.gnome.evolution.calendars";
    shell_view_class->search_options = "/calendar-search-options";
    shell_view_class->search_rules = "caltypes.xml";
    shell_view_class->new_shell_content = e_cal_shell_content_new;
    shell_view_class->new_shell_sidebar = e_cal_shell_sidebar_new;
    shell_view_class->execute_search = cal_shell_view_execute_search;
    shell_view_class->update_actions = cal_shell_view_update_actions;

    /* Ensure the GalView types we need are registered. */
    g_type_ensure (GAL_TYPE_VIEW_CALENDAR_DAY);
    g_type_ensure (GAL_TYPE_VIEW_CALENDAR_WORK_WEEK);
    g_type_ensure (GAL_TYPE_VIEW_CALENDAR_WEEK);
    g_type_ensure (GAL_TYPE_VIEW_CALENDAR_MONTH);
    g_type_ensure (GAL_TYPE_VIEW_ETABLE);
}

static void
e_cal_shell_view_class_finalize (ECalShellViewClass *class)
{
}

static void
e_cal_shell_view_init (ECalShellView *cal_shell_view)
{
    cal_shell_view->priv =
        E_CAL_SHELL_VIEW_GET_PRIVATE (cal_shell_view);

    e_cal_shell_view_private_init (cal_shell_view);
}

void
e_cal_shell_view_type_register (GTypeModule *type_module)
{
    /* XXX G_DEFINE_DYNAMIC_TYPE declares a static type registration
     *     function, so we have to wrap it with a public function in
     *     order to register types from a separate compilation unit. */
    e_cal_shell_view_register_type (type_module);
}