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

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-task-shell-view-private.c
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

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

#include <widgets/menus/gal-view-factory-etable.h>

static void
task_shell_view_backend_died_cb (ETaskShellView *task_shell_view,
                                 ECal *client)
{
    EShellView *shell_view;
    EShellWindow *shell_window;
    GHashTable *client_table;
    ESource *source;
    const gchar *uid;

    shell_view = E_SHELL_VIEW (task_shell_view);
    shell_window = e_shell_view_get_shell_window (shell_view);

    source = e_cal_get_source (client);
    uid = e_source_peek_uid (source);

    g_object_ref (source);

    g_hash_table_remove (client_table, uid);
    e_task_shell_view_set_status_message (task_shell_view, NULL);

    e_error_run (
        GTK_WINDOW (shell_window),
        "calendar:tasks-crashed", NULL);

    g_object_unref (source);
}

static void
task_shell_view_backend_error_cb (ETaskShellView *task_shell_view,
                                  const gchar *message,
                                  ECal *client)
{
    EShellView *shell_view;
    EShellWindow *shell_window;
    GtkWidget *dialog;
    const gchar *uri;
    gchar *uri_no_passwd;

    shell_view = E_SHELL_VIEW (task_shell_view);
    shell_window = e_shell_view_get_shell_window (shell_view);

    uri = e_cal_get_uri (client);
    uri_no_passwd = get_uri_without_password (uri);

    dialog = gtk_message_dialog_new (
        GTK_WINDOW (shell_window),
        GTK_DIALOG_DESTROY_WITH_PARENT,
        GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
        _("Error on %s:\n%s"),
        uri_no_passwd, message);

    gtk_dialog_run (GTK_DIALOG (dialog));
    gtk_widget_destroy (dialog);

    g_free (uri_no_passwd);
}

static void
task_shell_view_client_opened_cb (ETaskShellView *task_shell_view,
                                  ECalendarStatus status,
                                  ECal *client)
{
    /* FIXME */
}

static gboolean
task_shell_view_add_source (ETaskShellView *task_shell_view,
                            ESource *source)
{
    ETaskShellSidebar *task_shell_sidebar;
    ESourceSelector *selector;
    GHashTable *client_table;
    ECal *default_client;
    ECal *client;
    const gchar *uid;
    const gchar *uri;
    gchar *status_message;

    client_table = task_shell_view->priv->client_table;
    default_client = task_shell_view->priv->default_client;

    uid = e_source_peek_uid (source);
    client = g_hash_table_lookup (client_table, uid);

    if (client != NULL)
        return TRUE;

    if (default_client != NULL) {
        ESource *default_source;
        const gchar *default_uid;

        default_source = e_cal_get_source (default_client);
        default_uid = e_source_peek_uid (default_source);

        if (strcmp (uid, default_uid) == 0)
            client = g_object_ref (default_client);
    }

    if (client == NULL)
        client = auth_new_cal_from_source (
            source, E_CAL_SOURCE_TYPE_TODO);

    if (client == NULL)
        return FALSE;

    g_signal_connect_swapped (
        client, "backend-died",
        G_CALLBACK (task_shell_view_backend_died_cb),
        task_shell_view);

    g_signal_connect_swapped (
        client, "backend-error",
        G_CALLBACK (task_shell_view_backend_error_cb),
        task_shell_view);

    g_hash_table_insert (client_table, g_strdup (uid), client);

    uri = e_cal_get_uri (client);

    status_message = g_strdup_printf (_("Opening tasks at %s"), uri);
    e_task_shell_view_set_status_message (task_shell_view, status_message);
    g_free (status_message);

    task_shell_sidebar = task_shell_view->priv->task_shell_sidebar;
    selector = e_task_shell_sidebar_get_selector (task_shell_sidebar);
    e_source_selector_select_source (selector, source);

    g_signal_connect_swapped (
        client, "cal-opened",
        G_CALLBACK (task_shell_view_client_opened_cb),
        task_shell_view);

    e_cal_open_async (client, FALSE);

    return TRUE;
}

static void
task_shell_view_table_popup_event_cb (ETaskShellView *task_shell_view,
                                      GdkEventButton *event)
{
    EShellView *shell_view;
    const gchar *widget_path;

    shell_view = E_SHELL_VIEW (task_shell_view);
    widget_path = "/task-popup";

    e_task_shell_view_actions_update (task_shell_view);
    e_shell_view_show_popup_menu (shell_view, widget_path, event);
}

static void
task_shell_view_table_user_created (ETaskShellView *task_shell_view,
                                    ETaskTable *task_table)
{
    ECal *client;
    ESource *source;

    if (task_table->user_created_cal != NULL)
        client = task_table->user_created_cal;
    else {
        ECalModel *model;

        model = e_task_table_get_model (task_table);
        client = e_cal_model_get_default_client (model);
    }

    source = e_cal_get_source (client);
    task_shell_view_add_source (task_shell_view, source);
}

static void
task_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 tasks");
    g_free (filename);

    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
task_shell_view_notify_view_id_cb (ETaskShellView *task_shell_view)
{
    ETaskShellContent *task_shell_content;
    GalViewInstance *view_instance;
    const gchar *view_id;

    task_shell_content = task_shell_view->priv->task_shell_content;
    view_instance =
        e_task_shell_content_get_view_instance (task_shell_content);
    view_id = e_shell_view_get_view_id (E_SHELL_VIEW (task_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_task_shell_view_private_init (ETaskShellView *task_shell_view,
                                EShellViewClass *shell_view_class)
{
    ETaskShellViewPrivate *priv = task_shell_view->priv;
    ESourceList *source_list;
    GHashTable *client_table;
    GObject *object;

    object = G_OBJECT (shell_view_class->type_module);
    source_list = g_object_get_data (object, "source-list");
    g_return_if_fail (E_IS_SOURCE_LIST (source_list));

    client_table = g_hash_table_new_full (
        g_str_hash, g_str_equal,
        (GDestroyNotify) g_free,
        (GDestroyNotify) g_object_unref);

    priv->source_list = g_object_ref (source_list);
    priv->task_actions = gtk_action_group_new ("tasks");
    priv->client_table = client_table;

    if (!gal_view_collection_loaded (shell_view_class->view_collection))
        task_shell_view_load_view_collection (shell_view_class);

    g_signal_connect (
        task_shell_view, "notify::view-id",
        G_CALLBACK (task_shell_view_notify_view_id_cb), NULL);
}

void
e_task_shell_view_private_constructed (ETaskShellView *task_shell_view)
{
    ETaskShellViewPrivate *priv = task_shell_view->priv;
    ETaskShellContent *task_shell_content;
    EShellContent *shell_content;
    EShellSidebar *shell_sidebar;
    EShellView *shell_view;
    ETaskTable *task_table;
    ECalModel *model;
    ETable *table;

    shell_view = E_SHELL_VIEW (task_shell_view);
    shell_content = e_shell_view_get_shell_content (shell_view);
    shell_sidebar = e_shell_view_get_shell_sidebar (shell_view);

    /* Cache these to avoid lots of awkward casting. */
    priv->task_shell_content = g_object_ref (shell_content);
    priv->task_shell_sidebar = g_object_ref (shell_sidebar);

    task_shell_content = E_TASK_SHELL_CONTENT (shell_content);
    task_table = e_task_shell_content_get_task_table (task_shell_content);
    model = e_task_table_get_model (task_table);
    table = e_task_table_get_table (task_table);

    g_signal_connect_swapped (
        task_table, "open-component",
        G_CALLBACK (e_task_shell_view_open_task),
        task_shell_view);

    g_signal_connect_swapped (
        task_table, "popup-event",
        G_CALLBACK (task_shell_view_table_popup_event_cb),
        task_shell_view);

    g_signal_connect_swapped (
        task_table, "status-message",
        G_CALLBACK (e_task_shell_view_set_status_message),
        task_shell_view);

    g_signal_connect_swapped (
        task_table, "user-created",
        G_CALLBACK (task_shell_view_table_user_created_cb),
        task_shell_view);

    g_signal_connect_swapped (
        model, "model-changed",
        G_CALLBACK (e_task_shell_view_update_sidebar),
        task_shell_view);

    g_signal_connect_swapped (
        model, "model-rows-deleted",
        G_CALLBACK (e_task_shell_view_update_sidebar),
        task_shell_view);

    g_signal_connect_swapped (
        model, "model-rows-inserted",
        G_CALLBACK (e_task_shell_view_update_sidebar),
        task_shell_view);

    g_signal_connect_swapped (
        table, "selection-change",
        G_CALLBACK (e_task_shell_view_update_sidebar),
        task_shell_view);

    e_task_shell_view_actions_init (task_shell_view);
    e_task_shell_view_update_sidebar (task_shell_view);
}

void
e_task_shell_view_private_dispose (ETaskShellView *task_shell_view)
{
    ETaskShellViewPrivate *priv = task_shell_view->priv;

    DISPOSE (priv->source_list);

    DISPOSE (priv->task_actions);

    DISPOSE (priv->task_shell_content);
    DISPOSE (priv->task_shell_sidebar);

    g_hash_table_remove_all (priv->client_table);
    DISPOSE (priv->default_client);

    if (task_shell_view->priv->activity != NULL) {
        /* XXX Activity is no cancellable. */
        e_activity_complete (task_shell_view->priv->activity);
        g_object_unref (task_shell_view->priv->activity);
        task_shell_view->priv->activity = NULL;
    }
}

void
e_task_shell_view_private_finalize (ETaskShellView *task_shell_view)
{
    ETaskShellViewPrivate *priv = task_shell_view->priv;

    g_hash_table_destroy (priv->client_table);
}

void
e_task_shell_view_open_task (ETaskShellView *task_shell_view,
                             ECalModelComponent *comp_data)
{
    CompEditor *editor;
    CompEditorFlags flags = 0;
    ECalComponent *comp;
    icalcomponent *clone;
    icalproperty *prop;
    const gchar *uid;

    g_return_if_fail (E_IS_TASK_SHELL_VIEW (task_shell_view));
    g_return_if_fail (E_IS_CAL_MODEL_COMPONENT (comp_data));

    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_IS_ASSIGNED;

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

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

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

    g_object_ref (comp);

    if (flags & COMP_EDITOR_IS_ASSIGNED)
        task_editor_show_assignment (TASK_EDITOR (editor));

exit:
    gtk_window_present (GTK_WINDOW (editor));
}

void
e_task_shell_view_set_status_message (ETaskShellView *task_shell_view,
                                      const gchar *status_message)
{
    EActivity *activity;
    EShellView *shell_view;
    EShellModule *shell_module;

    g_return_if_fail (E_IS_TASK_SHELL_VIEW (task_shell_view));

    activity = task_shell_view->priv->activity;
    shell_view = E_SHELL_VIEW (task_shell_view);
    shell_module = e_shell_view_get_shell_module (shell_view);

    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_shell_module_add_activity (shell_module, activity);

    } else
        e_activity_set_primary_text (activity, status_message);

    task_shell_view->priv->activity = activity;
}

void
e_task_shell_view_update_sidebar (ETaskShellView *task_shell_view)
{
    ETaskShellContent *task_shell_content;
    EShellView *shell_view;
    EShellSidebar *shell_sidebar;
    ETaskTable *task_table;
    ECalModel *model;
    ETable *table;
    GString *string;
    const gchar *format;
    gint n_rows;
    gint n_selected;

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

    task_shell_content = task_shell_view->priv->task_shell_content;
    task_table = e_task_shell_content_get_task_table (task_shell_content);

    model = e_task_table_get_model (task_table);
    table = e_task_table_get_table (task_table);

    n_rows = e_table_model_row_count (E_TABLE_MODEL (model));
    n_selected = e_table_selected_count (table);

    string = g_string_sized_new (64);

    format = ngettext ("%d task", "%d tasks", n_rows);
    g_string_append_printf (string, format, n_rows);

    if (n_selected > 0) {
        format = _("%d selected");
        g_string_append_len (string, ", ", 2);
        g_string_append_printf (string, format, n_selected);
    }

    e_shell_sidebar_set_secondary_text (shell_sidebar, string->str);

    g_string_free (string, TRUE);
}