path: root/calendar/gui/dialogs/event-editor.c

/*
 * Evolution calendar - Event editor dialog
 *
 * 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:
 *      Miguel de Icaza <miguel@ximian.com>
 *      Federico Mena-Quintero <federico@ximian.com>
 *      Seth Alves <alves@hungry.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 <misc/e-dateedit.h>
#include <e-util/e-binding.h>
#include <e-util/e-plugin-ui.h>
#include <e-util/e-util-private.h>

#include "event-page.h"
#include "recurrence-page.h"
#include "schedule-page.h"
#include "cancel-comp.h"
#include "event-editor.h"

#define EVENT_EDITOR_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), TYPE_EVENT_EDITOR, EventEditorPrivate))

struct _EventEditorPrivate {
    EventPage *event_page;
    RecurrencePage *recur_page;
    GtkWidget *recur_window;
    SchedulePage *sched_page;
    GtkWidget *sched_window;

    EMeetingStore *model;
    gboolean meeting_shown;
    gboolean updating;
};

/* Extends the UI definition in CompEditor */
static const gchar *ui =
"<ui>"
"  <menubar action='main-menu'>"
"    <menu action='view-menu'>"
"      <menuitem action='view-type'/>"
"      <menuitem action='view-status'/>"
"      <menuitem action='view-role'/>"
"      <menuitem action='view-rsvp'/>"
"      <separator/>"
"      <menuitem action='view-time-zone'/>"
"      <menuitem action='view-categories'/>"
"    </menu>"
"    <menu action='insert-menu'>"
"      <menuitem action='send-options'/>"
"    </menu>"
"    <menu action='options-menu'>"
"      <menuitem action='alarms'/>"
"      <menuitem action='show-time-busy'/>"
"      <menuitem action='recurrence'/>"
"      <menuitem action='all-day-event'/>"
"      <menuitem action='free-busy'/>"
"      <menu action='classification-menu'>"
"        <menuitem action='classify-public'/>"
"        <menuitem action='classify-private'/>"
"        <menuitem action='classify-confidential'/>"
"      </menu>"
"    </menu>"
"  </menubar>"
"  <toolbar name='main-toolbar'>"
"    <toolitem action='alarms'/>"
"    <toolitem action='show-time-busy'/>"
"    <toolitem action='recurrence'/>"
"    <toolitem action='all-day-event'/>"
"    <toolitem action='free-busy'/>"
"  </toolbar>"
"</ui>";

static void event_editor_edit_comp (CompEditor *editor, ECalComponent *comp);
static gboolean event_editor_send_comp (CompEditor *editor, ECalComponentItipMethod method, gboolean strip_alarms);

G_DEFINE_TYPE (EventEditor, event_editor, TYPE_COMP_EDITOR)

static void
create_schedule_page (CompEditor *editor)
{
    EventEditorPrivate *priv;
    ENameSelector *name_selector;
    CompEditorPage *page;

    priv = EVENT_EDITOR_GET_PRIVATE (editor);

    priv->sched_window = gtk_dialog_new_with_buttons (
        _("Free/Busy"), GTK_WINDOW (editor), GTK_DIALOG_DESTROY_WITH_PARENT,
        GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE, NULL);

    g_signal_connect (
        priv->sched_window, "response",
        G_CALLBACK (gtk_widget_hide), NULL);
    g_signal_connect (
        priv->sched_window, "delete-event",
        G_CALLBACK (gtk_widget_hide_on_delete), NULL);

    priv->sched_page = schedule_page_new (priv->model, editor);
    page = COMP_EDITOR_PAGE (priv->sched_page);
    gtk_container_add (
        GTK_CONTAINER (GTK_DIALOG (priv->sched_window)->vbox),
        comp_editor_page_get_widget (page));

    name_selector = event_page_get_name_selector (priv->event_page);
    schedule_page_set_name_selector (priv->sched_page, name_selector);

    comp_editor_append_page (editor, page, NULL, FALSE);
    schedule_page_update_free_busy (priv->sched_page);

    gtk_widget_show_all (priv->sched_window);
}

static void
action_alarms_cb (GtkAction *action,
                  EventEditor *editor)
{
    event_page_show_alarm (editor->priv->event_page);
}

static void
action_all_day_event_cb (GtkToggleAction *action,
                         EventEditor *editor)
{
    gboolean active;
    GtkAction *action_show_busy;
    CompEditor *comp_editor = COMP_EDITOR (editor);

    active = gtk_toggle_action_get_active (action);
    event_page_set_all_day_event (editor->priv->event_page, active);

    action_show_busy = comp_editor_get_action (comp_editor, "show-time-busy");
    gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action_show_busy), !active);
    event_page_set_show_time_busy (editor->priv->event_page, !active);
}

static void
action_free_busy_cb (GtkAction *action,
                     EventEditor *editor)
{
    if (editor->priv->sched_window == NULL)
        create_schedule_page (COMP_EDITOR (editor));
    else
        gtk_window_present (GTK_WINDOW (editor->priv->sched_window));
}

static void
action_recurrence_cb (GtkAction *action,
                      EventEditor *editor)
{
    gtk_widget_show (editor->priv->recur_window);
}

static void
action_send_options_cb (GtkAction *action,
                        EventEditor *editor)
{
    event_page_sendoptions_clicked_cb (editor->priv->event_page);
}

static void
action_show_time_busy_cb (GtkToggleAction *action,
                          EventEditor *editor)
{
    gboolean active;

    active = gtk_toggle_action_get_active (action);
    event_page_set_show_time_busy (editor->priv->event_page, active);
}

static GtkActionEntry event_entries[] = {

    { "alarms",
      "appointment-soon",
      N_("_Alarms"),
      NULL,
      N_("Click here to set or unset alarms for this event"),
      G_CALLBACK (action_alarms_cb) },

    { "recurrence",
      "stock_task-recurring",
      N_("_Recurrence"),
      NULL,
      N_("Make this a recurring event"),
      G_CALLBACK (action_recurrence_cb) },

    { "send-options",
      NULL,
      N_("Send Options"),
      NULL,
      N_("Insert advanced send options"),
      G_CALLBACK (action_send_options_cb) }
};

static GtkToggleActionEntry event_toggle_entries[] = {

    { "all-day-event",
      "stock_new-24h-appointment",
      N_("All _Day Event"),
      NULL,
      N_("Toggles whether to have All Day Event"),
      G_CALLBACK (action_all_day_event_cb),
      FALSE },

    { "show-time-busy",
      GTK_STOCK_DIALOG_ERROR,
      N_("Show Time as _Busy"),
      NULL,
      N_("Toggles whether to show time as busy"),
      G_CALLBACK (action_show_time_busy_cb),
      FALSE }
};

static GtkActionEntry meeting_entries[] = {

    { "free-busy",
      "query-free-busy",
      N_("_Free/Busy"),
      NULL,
      N_("Query free / busy information for the attendees"),
      G_CALLBACK (action_free_busy_cb) }
};

static void
event_editor_model_changed_cb (EventEditor *ee)
{
    if (!ee->priv->updating) {
        comp_editor_set_changed (COMP_EDITOR (ee), TRUE);
        comp_editor_set_needs_send (COMP_EDITOR (ee), TRUE);
    }
}

static GObject *
event_editor_constructor (GType type,
                          guint n_construct_properties,
                          GObjectConstructParam *construct_properties)
{
    GObject *object;
    CompEditor *editor;
    CompEditorFlags flags;
    CompEditorPage *page;
    EventEditorPrivate *priv;
    GtkActionGroup *action_group;
    ECal *client;
    gboolean is_meeting;

    /* Chain up to parent's constructor() method. */
    object = G_OBJECT_CLASS (event_editor_parent_class)->constructor (
        type, n_construct_properties, construct_properties);

    editor = COMP_EDITOR (object);
    priv = EVENT_EDITOR_GET_PRIVATE (object);

    client = comp_editor_get_client (editor);
    flags = comp_editor_get_flags (editor);
    action_group = comp_editor_get_action_group (editor, "coordinated");

    is_meeting = flags & COMP_EDITOR_MEETING;

    gtk_action_group_set_visible (action_group, is_meeting);

    priv->event_page = event_page_new (priv->model, editor);
    comp_editor_append_page (
        editor, COMP_EDITOR_PAGE (priv->event_page),
        _("Appoint_ment"), TRUE);

    priv->recur_window = gtk_dialog_new_with_buttons (
        _("Recurrence"), GTK_WINDOW (editor), GTK_DIALOG_MODAL,
        GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE, NULL);
    g_signal_connect (
        priv->recur_window, "response",
        G_CALLBACK (gtk_widget_hide), NULL);
    g_signal_connect (
        priv->recur_window, "delete-event",
        G_CALLBACK(gtk_widget_hide_on_delete), NULL);

    priv->recur_page = recurrence_page_new (editor);
    page = COMP_EDITOR_PAGE (priv->recur_page);
    gtk_container_add (
        GTK_CONTAINER ((GTK_DIALOG (priv->recur_window)->vbox)),
        comp_editor_page_get_widget (page));
    gtk_widget_show_all (gtk_bin_get_child (GTK_BIN (priv->recur_window)));
    comp_editor_append_page (editor, page, NULL, FALSE);

    if (is_meeting) {

        if (e_cal_get_static_capability (client, CAL_STATIC_CAPABILITY_REQ_SEND_OPTIONS))
            event_page_show_options (priv->event_page);

        comp_editor_set_group_item (editor, TRUE);
        if (!((flags & COMP_EDITOR_USER_ORG) || (flags & COMP_EDITOR_DELEGATE)|| (flags & COMP_EDITOR_NEW_ITEM))) {
            GtkAction *action;

            action = comp_editor_get_action (editor, "free-busy");
            gtk_action_set_visible (action, FALSE);
        }

        event_page_set_meeting (priv->event_page, TRUE);
        priv->meeting_shown=TRUE;
    }

    return object;
}

static void
event_editor_dispose (GObject *object)
{
    EventEditorPrivate *priv;

    priv = EVENT_EDITOR_GET_PRIVATE (object);

    if (priv->event_page) {
        g_object_unref (priv->event_page);
        priv->event_page = NULL;
    }

    if (priv->recur_page) {
        g_object_unref (priv->recur_page);
        priv->recur_page = NULL;
    }

    if (priv->sched_page) {
        g_object_unref (priv->sched_page);
        priv->sched_page = NULL;
    }

    if (priv->model) {
        g_object_unref (priv->model);
        priv->model = NULL;
    }

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

static void
event_editor_constructed (GObject *object)
{
    EventEditorPrivate *priv;
    EShellSettings *shell_settings;
    EShell *shell;

    priv = EVENT_EDITOR_GET_PRIVATE (object);

    shell = comp_editor_get_shell (COMP_EDITOR (object));
    shell_settings = e_shell_get_shell_settings (shell);

    e_binding_new (
        object, "client",
        priv->model, "client");

    e_binding_new (
        shell_settings, "cal-free-busy-template",
        priv->model, "free-busy-template");

    e_binding_new (
        shell_settings, "cal-timezone",
        priv->model, "timezone");
}

static void
event_editor_show_categories (CompEditor *editor,
                              gboolean visible)
{
    EventEditorPrivate *priv;

    priv = EVENT_EDITOR_GET_PRIVATE (editor);

    event_page_set_show_categories (priv->event_page, visible);
}

static void
event_editor_show_role (CompEditor *editor,
                        gboolean visible)
{
    EventEditorPrivate *priv;

    priv = EVENT_EDITOR_GET_PRIVATE (editor);

    event_page_set_view_role (priv->event_page, visible);
}

static void
event_editor_show_rsvp (CompEditor *editor,
                        gboolean visible)
{
    EventEditorPrivate *priv;

    priv = EVENT_EDITOR_GET_PRIVATE (editor);

    event_page_set_view_rsvp (priv->event_page, visible);
}

static void
event_editor_show_status (CompEditor *editor,
                          gboolean visible)
{
    EventEditorPrivate *priv;

    priv = EVENT_EDITOR_GET_PRIVATE (editor);

    event_page_set_view_status (priv->event_page, visible);
}

static void
event_editor_show_time_zone (CompEditor *editor,
                             gboolean visible)
{
    EventEditorPrivate *priv;

    priv = EVENT_EDITOR_GET_PRIVATE (editor);

    event_page_set_show_timezone (priv->event_page, visible);
}

static void
event_editor_show_type (CompEditor *editor,
                        gboolean visible)
{
    EventEditorPrivate *priv;

    priv = EVENT_EDITOR_GET_PRIVATE (editor);

    event_page_set_view_type (priv->event_page, visible);
}

static void
event_editor_class_init (EventEditorClass *class)
{
    GObjectClass *object_class;
    CompEditorClass *editor_class;

    g_type_class_add_private (class, sizeof (EventEditorPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->constructor = event_editor_constructor;
    object_class->dispose = event_editor_dispose;
    object_class->constructed = event_editor_constructed;

    editor_class = COMP_EDITOR_CLASS (class);
    editor_class->help_section = "usage-calendar-apts";
    editor_class->edit_comp = event_editor_edit_comp;
    editor_class->send_comp = event_editor_send_comp;
    editor_class->show_categories = event_editor_show_categories;
    editor_class->show_role = event_editor_show_role;
    editor_class->show_rsvp = event_editor_show_rsvp;
    editor_class->show_status = event_editor_show_status;;
    editor_class->show_time_zone = event_editor_show_time_zone;
    editor_class->show_type = event_editor_show_type;
}

static void
event_editor_init (EventEditor *ee)
{
    CompEditor *editor = COMP_EDITOR (ee);
    GtkUIManager *ui_manager;
    GtkActionGroup *action_group;
    GtkAction *action;
    const gchar *id;
    GError *error = NULL;

    ee->priv = EVENT_EDITOR_GET_PRIVATE (ee);
    ee->priv->model = E_MEETING_STORE (e_meeting_store_new ());
    ee->priv->meeting_shown = TRUE;
    ee->priv->updating = FALSE;

    action_group = comp_editor_get_action_group (editor, "individual");
    gtk_action_group_add_actions (
        action_group, event_entries,
        G_N_ELEMENTS (event_entries), ee);
    gtk_action_group_add_toggle_actions (
        action_group, event_toggle_entries,
        G_N_ELEMENTS (event_toggle_entries), ee);

    action_group = comp_editor_get_action_group (editor, "coordinated");
    gtk_action_group_add_actions (
        action_group, meeting_entries,
        G_N_ELEMENTS (meeting_entries), ee);

    ui_manager = comp_editor_get_ui_manager (editor);
    gtk_ui_manager_add_ui_from_string (ui_manager, ui, -1, &error);

    id = "org.gnome.evolution.event-editor";
    e_plugin_ui_register_manager (ui_manager, id, ee);
    e_plugin_ui_enable_manager (ui_manager, id);

    if (error != NULL) {
        g_critical ("%s: %s", G_STRFUNC, error->message);
        g_error_free (error);
    }

    /* Hide send options. */
    action = comp_editor_get_action (editor, "send-options");
    gtk_action_set_visible (action, FALSE);

    g_signal_connect_swapped (
        ee->priv->model, "row_changed",
        G_CALLBACK (event_editor_model_changed_cb), ee);
    g_signal_connect_swapped (
        ee->priv->model, "row_inserted",
        G_CALLBACK (event_editor_model_changed_cb), ee);
    g_signal_connect_swapped (
        ee->priv->model, "row_deleted",
        G_CALLBACK (event_editor_model_changed_cb), ee);
}

static void
event_editor_edit_comp (CompEditor *editor, ECalComponent *comp)
{
    EventEditorPrivate *priv;
    ECalComponentOrganizer organizer;
    gboolean delegate;
    ECalComponentDateTime dtstart, dtend;
    ECal *client;
    GSList *attendees = NULL;

    priv = EVENT_EDITOR_GET_PRIVATE (editor);

    priv->updating = TRUE;
    delegate = (comp_editor_get_flags (COMP_EDITOR (editor)) & COMP_EDITOR_DELEGATE);

    if (priv->sched_page) {
        e_cal_component_get_dtstart (comp, &dtstart);
        e_cal_component_get_dtend (comp, &dtend);

        schedule_page_set_meeting_time (priv->sched_page, dtstart.value, dtend.value);

        e_cal_component_free_datetime (&dtstart);
        e_cal_component_free_datetime (&dtend);
    }

    if (COMP_EDITOR_CLASS (event_editor_parent_class)->edit_comp)
        COMP_EDITOR_CLASS (event_editor_parent_class)->edit_comp (editor, comp);

    client = comp_editor_get_client (editor);

    /* Get meeting related stuff */
    e_cal_component_get_organizer (comp, &organizer);
    e_cal_component_get_attendee_list (comp, &attendees);

    /* Set up the attendees */
    if (attendees != NULL) {
        GSList *l;
        gint row;
        gchar *user_email;
        user_email = itip_get_comp_attendee (comp, client);

        if (!priv->meeting_shown) {
            GtkAction *action;

            action = comp_editor_get_action (editor, "free-busy");
            gtk_action_set_visible (action, TRUE);
        }

        if (!(delegate && e_cal_get_static_capability (client, CAL_STATIC_CAPABILITY_DELEGATE_TO_MANY))) {
            event_page_remove_all_attendees (priv->event_page);

            for (l = attendees; l != NULL; l = l->next) {
                ECalComponentAttendee *ca = l->data;
                EMeetingAttendee *ia;

                if (delegate && !g_str_equal (itip_strip_mailto (ca->value), user_email))
                    continue;

                ia = E_MEETING_ATTENDEE (e_meeting_attendee_new_from_e_cal_component_attendee (ca));

                /* If we aren't the organizer or the attendee is just delegated, don't allow editing */
                if (!comp_editor_get_user_org (editor) || e_meeting_attendee_is_set_delto (ia))
                    e_meeting_attendee_set_edit_level (ia,  E_MEETING_ATTENDEE_EDIT_NONE);

                event_page_add_attendee (priv->event_page, ia);

                g_object_unref (ia);
            }

            /* If we aren't the organizer we can still change our own status */
            if (!comp_editor_get_user_org (editor)) {
                EAccountList *accounts;
                EAccount *account;
                EIterator *it;

                accounts = itip_addresses_get ();
                for (it = e_list_get_iterator((EList *)accounts);e_iterator_is_valid(it);e_iterator_next(it)) {
                    EMeetingAttendee *ia;

                    account = (EAccount*)e_iterator_get(it);

                    ia = e_meeting_store_find_attendee (priv->model, account->id->address, &row);
                    if (ia != NULL)
                        e_meeting_attendee_set_edit_level (ia, E_MEETING_ATTENDEE_EDIT_STATUS);
                }
                g_object_unref(it);
            } else if (e_cal_get_organizer_must_attend (client)) {
                EMeetingAttendee *ia;

                ia = e_meeting_store_find_attendee (priv->model, organizer.value, &row);
                if (ia != NULL)
                    e_meeting_attendee_set_edit_level (ia, E_MEETING_ATTENDEE_EDIT_NONE);
            }
        }

        event_page_set_meeting (priv->event_page, TRUE);
        priv->meeting_shown = TRUE;
    }
    e_cal_component_free_attendee_list (attendees);

    comp_editor_set_needs_send (editor, priv->meeting_shown && (itip_organizer_is_user (comp, client) || itip_sentby_is_user (comp, client)));

    priv->updating = FALSE;
}

static gboolean
event_editor_send_comp (CompEditor *editor, ECalComponentItipMethod method, gboolean strip_alarms)
{
    EventEditorPrivate *priv;
    ECalComponent *comp = NULL;

    priv = EVENT_EDITOR_GET_PRIVATE (editor);

    /* Don't cancel more than once or when just publishing */
    if (method == E_CAL_COMPONENT_METHOD_PUBLISH ||
        method == E_CAL_COMPONENT_METHOD_CANCEL)
        goto parent;

    comp = event_page_get_cancel_comp (priv->event_page);
    if (comp != NULL) {
        ECal *client;
        gboolean result;

        client = e_meeting_store_get_client (priv->model);
        result = itip_send_comp (E_CAL_COMPONENT_METHOD_CANCEL, comp,
                client, NULL, NULL, NULL, strip_alarms, FALSE);
        g_object_unref (comp);

        if (!result)
            return result;
    }

 parent:
    if (COMP_EDITOR_CLASS (event_editor_parent_class)->send_comp)
        return COMP_EDITOR_CLASS (event_editor_parent_class)->send_comp (editor, method, strip_alarms);

    return FALSE;
}

/**
 * event_editor_new:
 * @client: a ECal
 *
 * Creates a new event editor dialog.
 *
 * Return value: A newly-created event editor dialog, or NULL if the event
 * editor could not be created.
 **/
CompEditor *
event_editor_new (ECal *client,
                  EShell *shell,
                  CompEditorFlags flags)
{
    g_return_val_if_fail (E_IS_CAL (client), NULL);
    g_return_val_if_fail (E_IS_SHELL (shell), NULL);

    return g_object_new (
        TYPE_EVENT_EDITOR,
        "client", client, "flags", flags, "shell", shell, NULL);
}

void
event_editor_show_meeting (EventEditor *ee)
{
    CompEditor *editor;
    CompEditorFlags flags;

    g_return_if_fail (IS_EVENT_EDITOR (ee));

    editor = COMP_EDITOR (ee);
    flags = comp_editor_get_flags (editor);

    event_page_set_meeting (ee->priv->event_page, TRUE);
    if (!ee->priv->meeting_shown) {
        GtkAction *action;

        action = comp_editor_get_action (editor, "free-busy");
        gtk_action_set_visible (action, TRUE);

        ee->priv->meeting_shown = TRUE;

        comp_editor_set_changed (editor, FALSE);
        comp_editor_set_needs_send (editor, TRUE);
    }

    if (!(flags & COMP_EDITOR_NEW_ITEM) && !(flags & COMP_EDITOR_USER_ORG))
        gtk_drag_dest_unset (GTK_WIDGET (editor));
}