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

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */

/* Evolution calendar - Event editor dialog
 *
 * Copyright (C) 2000 Ximian, Inc.
 * Copyright (C) 2001 Ximian, Inc.
 *
 * Authors: Miguel de Icaza <miguel@ximian.com>
 *          Federico Mena-Quintero <federico@ximian.com>
 *          Seth Alves <alves@hungry.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 */

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

#include <string.h>
#include <glade/glade.h>
#include <libgnome/gnome-i18n.h>
#include <misc/e-dateedit.h>
#include <e-util/e-icon-factory.h>

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

struct _EventEditorPrivate {
    EventPage *event_page;
    RecurrencePage *recur_page;
    MeetingPage *meet_page;
    SchedulePage *sched_page;

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



static void event_editor_set_e_cal (CompEditor *editor, ECal *client);
static void event_editor_edit_comp (CompEditor *editor, ECalComponent *comp);
static gboolean event_editor_send_comp (CompEditor *editor, ECalComponentItipMethod method);
static void event_editor_finalize (GObject *object);

static void schedule_meeting_cmd (GtkWidget *widget, gpointer data);
static void refresh_meeting_cmd (GtkWidget *widget, gpointer data);
static void cancel_meeting_cmd (GtkWidget *widget, gpointer data);
static void forward_cmd (GtkWidget *widget, gpointer data);

static void model_row_change_insert_cb (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data);
static void model_row_delete_cb (GtkTreeModel *model, GtkTreePath *path, gpointer data);


G_DEFINE_TYPE (EventEditor, event_editor, TYPE_COMP_EDITOR);

/* Class initialization function for the event editor */
static void
event_editor_class_init (EventEditorClass *klass)
{
    GObjectClass *gobject_class;
    CompEditorClass *editor_class;
    
    gobject_class = (GObjectClass *) klass;
    editor_class = (CompEditorClass *) klass;

    editor_class->set_e_cal = event_editor_set_e_cal;
    editor_class->edit_comp = event_editor_edit_comp;
    editor_class->send_comp = event_editor_send_comp;
    
    gobject_class->finalize = event_editor_finalize;
}

static void
init_widgets (EventEditor *ee)
{
    EventEditorPrivate *priv;

    priv = ee->priv;

    g_signal_connect((priv->model), "row_changed",
                G_CALLBACK (model_row_change_insert_cb), ee);
    g_signal_connect((priv->model), "row_inserted",
                G_CALLBACK (model_row_change_insert_cb), ee);
    g_signal_connect((priv->model), "row_deleted",
                G_CALLBACK (model_row_delete_cb), ee);
}

static void
client_changed_cb (CompEditorPage *page, ECal *client, gpointer user_data)
{
    //set_menu_sens (EVENT_EDITOR (user_data));
}

/* Object initialization function for the event editor */
static void
event_editor_init (EventEditor *ee)
{
    EventEditorPrivate *priv;
    
    priv = g_new0 (EventEditorPrivate, 1);
    ee->priv = priv;

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

    comp_editor_set_help_section (COMP_EDITOR (ee), "usage-calendar-apts");
}

EventEditor *
event_editor_construct (EventEditor *ee, ECal *client)
{
    EventEditorPrivate *priv;
    guint32 flags = comp_editor_get_flags (COMP_EDITOR (ee));

    priv = ee->priv;

    priv->event_page = event_page_new ();
    g_object_ref (priv->event_page);
    gtk_object_sink (GTK_OBJECT (priv->event_page));
    comp_editor_append_page (COMP_EDITOR (ee), 
                 COMP_EDITOR_PAGE (priv->event_page),
                 _("Appointment"));
    g_signal_connect (G_OBJECT (priv->event_page), "client_changed",
              G_CALLBACK (client_changed_cb), ee);

    priv->recur_page = recurrence_page_new ();
    g_object_ref (priv->recur_page);
    gtk_object_sink (GTK_OBJECT (priv->recur_page));
    comp_editor_append_page (COMP_EDITOR (ee),
                 COMP_EDITOR_PAGE (priv->recur_page),
                 _("Recurrence"));

    if (priv->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 (COMP_EDITOR (ee), TRUE);
        if ((flags & COMP_EDITOR_USER_ORG) || (flags & COMP_EDITOR_DELEGATE)|| (flags & COMP_EDITOR_NEW_ITEM)) {
            priv->sched_page = schedule_page_new (priv->model);
            g_object_ref (priv->sched_page);
            gtk_object_sink (GTK_OBJECT (priv->sched_page));
            comp_editor_append_page (COMP_EDITOR (ee),
                    COMP_EDITOR_PAGE (priv->sched_page),
                    _("Scheduling"));
        }
        
        priv->meet_page = meeting_page_new (priv->model, client);
        g_object_ref (priv->meet_page);
        gtk_object_sink (GTK_OBJECT (priv->meet_page));
        
        if (comp_editor_get_flags (COMP_EDITOR (ee)) & COMP_EDITOR_DELEGATE) {
            comp_editor_append_page (COMP_EDITOR (ee),
                     COMP_EDITOR_PAGE (priv->meet_page),
                     _("Delegatees"));
        } else
            comp_editor_append_page (COMP_EDITOR (ee),
                     COMP_EDITOR_PAGE (priv->meet_page),
                     _("Attendees"));
        priv->meeting_shown=TRUE;
    }
    comp_editor_set_e_cal (COMP_EDITOR (ee), client);

    init_widgets (ee);
    gtk_window_set_default_size (GTK_WINDOW (ee), 300, 225);

    return ee;
}

static void
event_editor_set_e_cal (CompEditor *editor, ECal *client)
{
    EventEditor *ee;
    EventEditorPrivate *priv;
    
    ee = EVENT_EDITOR (editor);
    priv = ee->priv;

    e_meeting_store_set_e_cal (priv->model, client);
    
    if (COMP_EDITOR_CLASS (event_editor_parent_class)->set_e_cal)
        COMP_EDITOR_CLASS (event_editor_parent_class)->set_e_cal (editor, client);  
}

static void
event_editor_edit_comp (CompEditor *editor, ECalComponent *comp)
{
    EventEditor *ee;
    EventEditorPrivate *priv;
    ECalComponentOrganizer organizer;
    gboolean delegate;
    ECal *client;
    GSList *attendees = NULL;
    
    ee = EVENT_EDITOR (editor);
    priv = ee->priv;
    
    priv->updating = TRUE;
    delegate = (comp_editor_get_flags (COMP_EDITOR (editor)) & COMP_EDITOR_DELEGATE);
    
    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_e_cal (COMP_EDITOR (editor));

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

    /* Clear things up */
    e_meeting_store_remove_all_attendees (priv->model);

    /* Set up the attendees */
    if (attendees == NULL && !delegate) {
        if (priv->meet_page)
            comp_editor_remove_page (editor, COMP_EDITOR_PAGE (priv->meet_page));
        if (priv->sched_page)
            comp_editor_remove_page (editor, COMP_EDITOR_PAGE (priv->sched_page));
        priv->meeting_shown = FALSE;
    } else {
        GSList *l;
        int row;
        char *user_email;
        
        user_email = itip_get_comp_attendee (comp, client); 
        if (!priv->meeting_shown) {
            comp_editor_append_page (COMP_EDITOR (ee),
                         COMP_EDITOR_PAGE (priv->sched_page),
                         _("Scheduling"));
            comp_editor_append_page (COMP_EDITOR (ee),
                         COMP_EDITOR_PAGE (priv->meet_page),
                         _("Invitations"));
        }
        
        if (!(delegate && e_cal_get_static_capability (client, CAL_STATIC_CAPABILITY_DELEGATE_TO_MANY))) {
            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);


                e_meeting_store_add_attendee (priv->model, 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);
            }
        }
        priv->meeting_shown = TRUE;
    }   
    e_cal_component_free_attendee_list (attendees);

    comp_editor_set_needs_send (COMP_EDITOR (ee), priv->meeting_shown && itip_organizer_is_user (comp, client));

    priv->updating = FALSE;
}

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

    priv = ee->priv;

    /* 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 = meeting_page_get_cancel_comp (priv->meet_page);
    if (comp != NULL) {
        ECal *client;
        gboolean result;
        
        client = e_meeting_store_get_e_cal (priv->model);
        result = itip_send_comp (E_CAL_COMPONENT_METHOD_CANCEL, comp,
                client, NULL, NULL);
        g_object_unref (comp);

        if (!result)
            return FALSE;
        else 
            return TRUE;
    }

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

    return FALSE;
}

/* Destroy handler for the event editor */
static void
event_editor_finalize (GObject *object)
{
    EventEditor *ee;
    EventEditorPrivate *priv;

    g_return_if_fail (object != NULL);
    g_return_if_fail (IS_EVENT_EDITOR (object));

    ee = EVENT_EDITOR (object);
    priv = ee->priv;

    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->meet_page) {
        g_object_unref (priv->meet_page);
        priv->meet_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;
    }

    g_free (priv);

    if (G_OBJECT_CLASS (event_editor_parent_class)->finalize)
        (* G_OBJECT_CLASS (event_editor_parent_class)->finalize) (object);
}

/**
 * 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.
 **/
EventEditor *
event_editor_new (ECal *client, CompEditorFlags flags)
{
    EventEditor *ee;

    ee = EVENT_EDITOR (g_object_new (TYPE_EVENT_EDITOR, NULL));
    ee->priv->is_meeting = flags & COMP_EDITOR_MEETING;
    comp_editor_set_flags (COMP_EDITOR (ee), flags);
    return event_editor_construct (ee, client);
}

static void
show_meeting (EventEditor *ee)
{
    EventEditorPrivate *priv;
    CompEditor *editor = COMP_EDITOR (ee);
    CompEditorFlags flags = comp_editor_get_flags (editor);
    
    priv = ee->priv;

    event_page_set_meeting (priv->event_page, TRUE);
    if (!priv->meeting_shown) {
        comp_editor_append_page (COMP_EDITOR (ee),
                     COMP_EDITOR_PAGE (priv->sched_page),
                     _("Scheduling"));
        comp_editor_append_page (COMP_EDITOR (ee),
                     COMP_EDITOR_PAGE (priv->meet_page),
                     _("Invitations"));
        priv->meeting_shown = TRUE;

        comp_editor_set_changed (COMP_EDITOR (ee), FALSE);
        comp_editor_set_needs_send (COMP_EDITOR (ee), priv->meeting_shown);
    }
    if (comp_editor_get_flags (COMP_EDITOR (ee)) & COMP_EDITOR_DELEGATE)
        comp_editor_show_page (COMP_EDITOR (ee), COMP_EDITOR_PAGE (priv->meet_page));

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

void
event_editor_show_meeting (EventEditor *ee)
{
    g_return_if_fail (ee != NULL);
    g_return_if_fail (IS_EVENT_EDITOR (ee));

    show_meeting (ee);
}

static void
schedule_meeting_cmd (GtkWidget *widget, gpointer data)
{
    EventEditor *ee = EVENT_EDITOR (data);

    show_meeting (ee);
}

static void
refresh_meeting_cmd (GtkWidget *widget, gpointer data)
{
    EventEditor *ee = EVENT_EDITOR (data);
    
    comp_editor_send_comp (COMP_EDITOR (ee), E_CAL_COMPONENT_METHOD_REFRESH);
}

static void
cancel_meeting_cmd (GtkWidget *widget, gpointer data)
{
    EventEditor *ee = EVENT_EDITOR (data);
    ECalComponent *comp;
    
    comp = comp_editor_get_current_comp (COMP_EDITOR (ee));
    if (cancel_component_dialog ((GtkWindow *) ee,
                     comp_editor_get_e_cal (COMP_EDITOR (ee)), comp, FALSE)) {
        comp_editor_send_comp (COMP_EDITOR (ee), E_CAL_COMPONENT_METHOD_CANCEL);
        comp_editor_delete_comp (COMP_EDITOR (ee));
    }
}

static void
forward_cmd (GtkWidget *widget, gpointer data)
{
    EventEditor *ee = EVENT_EDITOR (data);

    if (comp_editor_save_comp (COMP_EDITOR (ee), TRUE))
        comp_editor_send_comp (COMP_EDITOR (ee), E_CAL_COMPONENT_METHOD_PUBLISH);
}

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

static void
model_row_change_insert_cb (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
{
    model_changed (EVENT_EDITOR (data));
}

static void
model_row_delete_cb (GtkTreeModel *model, GtkTreePath *path, gpointer data)
{
    model_changed (EVENT_EDITOR (data));
}