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

/*
 * e-memo-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)
 *
 */

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

#include "e-util/e-util-private.h"

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

static void
memo_shell_view_model_row_appended_cb (EMemoShellView *memo_shell_view,
                                       ECalModel *model)
{
    EMemoShellSidebar *memo_shell_sidebar;
    ECalClient *client;

    /* This is the "Click to Add" handler. */

    client = e_cal_model_ref_default_client (model);

    memo_shell_sidebar = memo_shell_view->priv->memo_shell_sidebar;
    e_memo_shell_sidebar_add_client (memo_shell_sidebar, E_CLIENT (client));

    g_object_unref (client);
}

static void
memo_shell_view_table_popup_event_cb (EShellView *shell_view,
                                      GdkEvent *button_event)
{
    const gchar *widget_path;

    widget_path = "/memo-popup";
    e_shell_view_show_popup_menu (shell_view, widget_path, button_event);
}

static void
memo_shell_view_selector_client_added_cb (EMemoShellView *memo_shell_view,
                                          ECalClient *client)
{
    EMemoShellContent *memo_shell_content;
    EMemoTable *memo_table;
    ECalModel *model;

    memo_shell_content = memo_shell_view->priv->memo_shell_content;
    memo_table = e_memo_shell_content_get_memo_table (memo_shell_content);
    model = e_memo_table_get_model (memo_table);

    e_cal_model_add_client (model, client);
}

static void
memo_shell_view_selector_client_removed_cb (EMemoShellView *memo_shell_view,
                                            ECalClient *client)
{
    EMemoShellContent *memo_shell_content;
    EMemoTable *memo_table;
    ECalModel *model;

    memo_shell_content = memo_shell_view->priv->memo_shell_content;
    memo_table = e_memo_shell_content_get_memo_table (memo_shell_content);
    model = e_memo_table_get_model (memo_table);

    e_cal_model_remove_client (model, client);
}

static gboolean
memo_shell_view_selector_popup_event_cb (EShellView *shell_view,
                                         ESource *primary_source,
                                         GdkEvent *button_event)
{
    const gchar *widget_path;

    widget_path = "/memo-list-popup";
    e_shell_view_show_popup_menu (shell_view, widget_path, button_event);

    return TRUE;
}

static void
memo_shell_view_backend_error_cb (EClientCache *client_cache,
                                  EClient *client,
                                  EAlert *alert,
                                  EMemoShellView *memo_shell_view)
{
    EMemoShellContent *memo_shell_content;
    ESource *source;
    const gchar *extension_name;

    memo_shell_content = memo_shell_view->priv->memo_shell_content;

    source = e_client_get_source (client);
    extension_name = E_SOURCE_EXTENSION_MEMO_LIST;

    /* Only submit alerts from memo list backends. */
    if (e_source_has_extension (source, extension_name)) {
        EAlertSink *alert_sink;

        alert_sink = E_ALERT_SINK (memo_shell_content);
        e_alert_sink_submit_alert (alert_sink, alert);
    }
}

static void
memo_shell_view_notify_view_id_cb (EShellView *shell_view)
{
    GalViewInstance *view_instance;
    const gchar *view_id;

    view_id = e_shell_view_get_view_id (shell_view);
    view_instance = e_shell_view_get_view_instance (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_memo_shell_view_private_init (EMemoShellView *memo_shell_view)
{
    g_signal_connect (
        memo_shell_view, "notify::view-id",
        G_CALLBACK (memo_shell_view_notify_view_id_cb), NULL);
}

void
e_memo_shell_view_private_constructed (EMemoShellView *memo_shell_view)
{
    EMemoShellViewPrivate *priv = memo_shell_view->priv;
    EShellBackend *shell_backend;
    EShellContent *shell_content;
    EShellSidebar *shell_sidebar;
    EShellWindow *shell_window;
    EShellView *shell_view;
    EShell *shell;
    gulong handler_id;

    shell_view = E_SHELL_VIEW (memo_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);
    shell = e_shell_window_get_shell (shell_window);

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

    /* Cache these to avoid lots of awkward casting. */
    priv->memo_shell_backend = g_object_ref (shell_backend);
    priv->memo_shell_content = g_object_ref (shell_content);
    priv->memo_shell_sidebar = g_object_ref (shell_sidebar);

    handler_id = g_signal_connect_swapped (
        priv->memo_shell_sidebar, "client-added",
        G_CALLBACK (memo_shell_view_selector_client_added_cb),
        memo_shell_view);
    priv->client_added_handler_id = handler_id;

    handler_id = g_signal_connect_swapped (
        priv->memo_shell_sidebar, "client-removed",
        G_CALLBACK (memo_shell_view_selector_client_removed_cb),
        memo_shell_view);
    priv->client_removed_handler_id = handler_id;

    /* Keep our own reference to this so we can
     * disconnect our signal handlers in dispose(). */
    priv->client_cache = e_shell_get_client_cache (shell);
    g_object_ref (priv->client_cache);

    handler_id = g_signal_connect (
        priv->client_cache, "backend-error",
        G_CALLBACK (memo_shell_view_backend_error_cb),
        memo_shell_view);
    priv->backend_error_handler_id = handler_id;

    /* Keep our own reference to this so we can
     * disconnect our signal handlers in dispose(). */
    priv->memo_table = e_memo_shell_content_get_memo_table (
        E_MEMO_SHELL_CONTENT (shell_content));
    g_object_ref (priv->memo_table);

    handler_id = g_signal_connect_swapped (
        priv->memo_table, "open-component",
        G_CALLBACK (e_memo_shell_view_open_memo),
        memo_shell_view);
    priv->open_component_handler_id = handler_id;

    handler_id = g_signal_connect_swapped (
        priv->memo_table, "popup-event",
        G_CALLBACK (memo_shell_view_table_popup_event_cb),
        memo_shell_view);
    priv->popup_event_handler_id = handler_id;

    handler_id = g_signal_connect_swapped (
        priv->memo_table, "selection-change",
        G_CALLBACK (e_memo_shell_view_update_sidebar),
        memo_shell_view);
    priv->selection_change_1_handler_id = handler_id;

    handler_id = g_signal_connect_swapped (
        priv->memo_table, "selection-change",
        G_CALLBACK (e_shell_view_update_actions),
        memo_shell_view);
    priv->selection_change_2_handler_id = handler_id;

    handler_id = g_signal_connect_swapped (
        priv->memo_table, "status-message",
        G_CALLBACK (e_memo_shell_view_set_status_message),
        memo_shell_view);
    priv->status_message_handler_id = handler_id;

    /* Keep our own reference to this so we can
     * disconnect our signal handlers in dispose(). */
    priv->model = e_memo_table_get_model (priv->memo_table);
    g_object_ref (priv->model);

    handler_id = g_signal_connect_swapped (
        priv->model, "model-changed",
        G_CALLBACK (e_memo_shell_view_update_sidebar),
        memo_shell_view);
    priv->model_changed_handler_id = handler_id;

    handler_id = g_signal_connect_swapped (
        priv->model, "model-rows-deleted",
        G_CALLBACK (e_memo_shell_view_update_sidebar),
        memo_shell_view);
    priv->model_rows_deleted_handler_id = handler_id;

    handler_id = g_signal_connect_swapped (
        priv->model, "model-rows-inserted",
        G_CALLBACK (e_memo_shell_view_update_sidebar),
        memo_shell_view);
    priv->model_rows_inserted_handler_id = handler_id;

    handler_id = g_signal_connect_swapped (
        priv->model, "row-appended",
        G_CALLBACK (memo_shell_view_model_row_appended_cb),
        memo_shell_view);
    priv->row_appended_handler_id = handler_id;

    /* Keep our own reference to this so we can
     * disconnect our signal handlers in dispose(). */
    priv->selector = e_memo_shell_sidebar_get_selector (
        E_MEMO_SHELL_SIDEBAR (shell_sidebar));
    g_object_ref (priv->selector);

    handler_id = g_signal_connect_swapped (
        priv->selector, "popup-event",
        G_CALLBACK (memo_shell_view_selector_popup_event_cb),
        memo_shell_view);
    priv->selector_popup_event_handler_id = handler_id;

    handler_id = g_signal_connect_swapped (
        priv->selector, "primary-selection-changed",
        G_CALLBACK (e_shell_view_update_actions),
        memo_shell_view);
    priv->primary_selection_changed_handler_id = handler_id;

    e_categories_add_change_hook (
        (GHookFunc) e_memo_shell_view_update_search_filter,
        memo_shell_view);

    /* Keep the ECalModel in sync with the sidebar. */
    g_object_bind_property (
        shell_sidebar, "default-client",
        priv->model, "default-client",
        G_BINDING_SYNC_CREATE);

    e_memo_shell_view_actions_init (memo_shell_view);
    e_memo_shell_view_update_sidebar (memo_shell_view);
    e_memo_shell_view_update_search_filter (memo_shell_view);
}

void
e_memo_shell_view_private_dispose (EMemoShellView *memo_shell_view)
{
    EMemoShellViewPrivate *priv = memo_shell_view->priv;

    if (priv->client_added_handler_id > 0) {
        g_signal_handler_disconnect (
            priv->memo_shell_sidebar,
            priv->client_added_handler_id);
        priv->client_added_handler_id = 0;
    }

    if (priv->client_removed_handler_id > 0) {
        g_signal_handler_disconnect (
            priv->memo_shell_sidebar,
            priv->client_removed_handler_id);
        priv->client_removed_handler_id = 0;
    }

    if (priv->backend_error_handler_id > 0) {
        g_signal_handler_disconnect (
            priv->client_cache,
            priv->backend_error_handler_id);
        priv->backend_error_handler_id = 0;
    }

    if (priv->open_component_handler_id > 0) {
        g_signal_handler_disconnect (
            priv->memo_table,
            priv->open_component_handler_id);
        priv->open_component_handler_id = 0;
    }

    if (priv->popup_event_handler_id > 0) {
        g_signal_handler_disconnect (
            priv->memo_table,
            priv->popup_event_handler_id);
        priv->popup_event_handler_id = 0;
    }

    if (priv->selection_change_1_handler_id > 0) {
        g_signal_handler_disconnect (
            priv->memo_table,
            priv->selection_change_1_handler_id);
        priv->selection_change_1_handler_id = 0;
    }

    if (priv->selection_change_2_handler_id > 0) {
        g_signal_handler_disconnect (
            priv->memo_table,
            priv->selection_change_2_handler_id);
        priv->selection_change_2_handler_id = 0;
    }

    if (priv->status_message_handler_id > 0) {
        g_signal_handler_disconnect (
            priv->memo_table,
            priv->status_message_handler_id);
        priv->status_message_handler_id = 0;
    }

    if (priv->model_changed_handler_id > 0) {
        g_signal_handler_disconnect (
            priv->model,
            priv->model_changed_handler_id);
        priv->model_changed_handler_id = 0;
    }

    if (priv->model_rows_deleted_handler_id > 0) {
        g_signal_handler_disconnect (
            priv->model,
            priv->model_rows_deleted_handler_id);
        priv->model_rows_deleted_handler_id = 0;
    }

    if (priv->model_rows_inserted_handler_id > 0) {
        g_signal_handler_disconnect (
            priv->model,
            priv->model_rows_inserted_handler_id);
        priv->model_rows_inserted_handler_id = 0;
    }

    if (priv->row_appended_handler_id > 0) {
        g_signal_handler_disconnect (
            priv->model,
            priv->row_appended_handler_id);
        priv->row_appended_handler_id = 0;
    }

    if (priv->selector_popup_event_handler_id > 0) {
        g_signal_handler_disconnect (
            priv->selector,
            priv->selector_popup_event_handler_id);
        priv->selector_popup_event_handler_id = 0;
    }

    if (priv->primary_selection_changed_handler_id > 0) {
        g_signal_handler_disconnect (
            priv->selector,
            priv->primary_selection_changed_handler_id);
        priv->primary_selection_changed_handler_id = 0;
    }

    g_clear_object (&priv->memo_shell_backend);
    g_clear_object (&priv->memo_shell_content);
    g_clear_object (&priv->memo_shell_sidebar);

    g_clear_object (&priv->client_cache);
    g_clear_object (&priv->memo_table);
    g_clear_object (&priv->model);
    g_clear_object (&priv->selector);

    if (memo_shell_view->priv->activity != NULL) {
        /* XXX Activity is not cancellable. */
        e_activity_set_state (
            memo_shell_view->priv->activity,
            E_ACTIVITY_COMPLETED);
        g_object_unref (memo_shell_view->priv->activity);
        memo_shell_view->priv->activity = NULL;
    }
}

void
e_memo_shell_view_private_finalize (EMemoShellView *memo_shell_view)
{
    /* XXX Nothing to do? */
}

void
e_memo_shell_view_open_memo (EMemoShellView *memo_shell_view,
                             ECalModelComponent *comp_data)
{
    EShell *shell;
    EShellView *shell_view;
    EShellWindow *shell_window;
    ESourceRegistry *registry;
    CompEditor *editor;
    CompEditorFlags flags = 0;
    ECalComponent *comp;
    icalcomponent *clone;
    const gchar *uid;

    g_return_if_fail (E_IS_MEMO_SHELL_VIEW (memo_shell_view));
    g_return_if_fail (E_IS_CAL_MODEL_COMPONENT (comp_data));

    shell_view = E_SHELL_VIEW (memo_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);

    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);

    if (e_cal_component_has_organizer (comp))
        flags |= COMP_EDITOR_IS_SHARED;

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

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

    g_object_unref (comp);

exit:
    gtk_window_present (GTK_WINDOW (editor));
}

void
e_memo_shell_view_set_status_message (EMemoShellView *memo_shell_view,
                                      const gchar *status_message,
                                      gdouble percent)
{
    EActivity *activity;
    EShellView *shell_view;
    EShellBackend *shell_backend;

    g_return_if_fail (E_IS_MEMO_SHELL_VIEW (memo_shell_view));

    activity = memo_shell_view->priv->activity;
    shell_view = E_SHELL_VIEW (memo_shell_view);
    shell_backend = e_shell_view_get_shell_backend (shell_view);

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

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

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

    memo_shell_view->priv->activity = activity;
}

void
e_memo_shell_view_update_sidebar (EMemoShellView *memo_shell_view)
{
    EMemoShellContent *memo_shell_content;
    EShellView *shell_view;
    EShellSidebar *shell_sidebar;
    EMemoTable *memo_table;
    ECalModel *model;
    GString *string;
    const gchar *format;
    gint n_rows;
    gint n_selected;

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

    memo_shell_content = memo_shell_view->priv->memo_shell_content;
    memo_table = e_memo_shell_content_get_memo_table (memo_shell_content);

    model = e_memo_table_get_model (memo_table);

    n_rows = e_table_model_row_count (E_TABLE_MODEL (model));
    n_selected = e_table_selected_count (E_TABLE (memo_table));

    string = g_string_sized_new (64);

    format = ngettext ("%d memo", "%d memos", 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);
}