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

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* Evolution calendar - Task 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>
 *          JP Rosevear <jpr@ximian.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 <e-util/e-icon-factory.h>
#include <evolution-shell-component-utils.h>

#include "task-page.h"
#include "task-details-page.h"
#include "meeting-page.h"
#include "cancel-comp.h"
#include "../calendar-config.h"
#include "task-editor.h"

struct _TaskEditorPrivate {
    TaskPage *task_page;
    TaskDetailsPage *task_details_page;
    
    GtkWidget *task_details_window;
    EMeetingStore *model;
    
    gboolean assignment_shown;
    gboolean is_assigned;
    gboolean updating;  
};



static void task_editor_set_e_cal (CompEditor *editor, ECal *client);
static void task_editor_edit_comp (CompEditor *editor, ECalComponent *comp);
static gboolean task_editor_send_comp (CompEditor *editor, ECalComponentItipMethod method);
static void task_editor_finalize (GObject *object);

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 (TaskEditor, task_editor, TYPE_COMP_EDITOR);

/* Class initialization function for the event editor */
static void
task_editor_class_init (TaskEditorClass *klass)
{
    GObjectClass *object_class;
    CompEditorClass *editor_class;

    object_class = (GObjectClass *) klass;
    editor_class = (CompEditorClass *) klass;

    editor_class->set_e_cal = task_editor_set_e_cal;
    editor_class->edit_comp = task_editor_edit_comp;
    editor_class->send_comp = task_editor_send_comp;

    object_class->finalize = task_editor_finalize;
}

static void
init_widgets (TaskEditor *te)
{
    TaskEditorPrivate *priv;

    priv = te->priv;

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

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

static void
menu_view_role_cb (BonoboUIComponent           *component,
              const char                  *path,
              Bonobo_UIComponent_EventType type,
              const char                  *state,
              gpointer                     user_data)
{
    TaskEditor *te = (TaskEditor *) user_data;
    
    if (type != Bonobo_UIComponent_STATE_CHANGED)
        return;
    task_page_set_view_role (te->priv->task_page, atoi(state)); 
    calendar_config_set_show_role (atoi(state));    
}

static void
menu_view_status_cb (BonoboUIComponent           *component,
              const char                  *path,
              Bonobo_UIComponent_EventType type,
              const char                  *state,
              gpointer                     user_data)
{
    TaskEditor *te = (TaskEditor *) user_data;
    
    if (type != Bonobo_UIComponent_STATE_CHANGED)
        return;
    
    task_page_set_view_status (te->priv->task_page, atoi(state));
    calendar_config_set_show_status (atoi(state));  
}

static void
menu_view_type_cb (BonoboUIComponent           *component,
              const char                  *path,
              Bonobo_UIComponent_EventType type,
              const char                  *state,
              gpointer                     user_data)
{
    TaskEditor *te = (TaskEditor *) user_data;
    
    if (type != Bonobo_UIComponent_STATE_CHANGED)
        return;
    task_page_set_view_type (te->priv->task_page, atoi(state)); 
    calendar_config_set_show_type (atoi(state));    
}

static void
menu_view_rsvp_cb (BonoboUIComponent           *component,
              const char                  *path,
              Bonobo_UIComponent_EventType type,
              const char                  *state,
              gpointer                     user_data)
{
    TaskEditor *te = (TaskEditor *) user_data;
    
    if (type != Bonobo_UIComponent_STATE_CHANGED)
        return;
    task_page_set_view_rsvp (te->priv->task_page, atoi(state)); 
    calendar_config_set_show_rsvp (atoi(state));    
}

static void
menu_show_time_zone_cb (BonoboUIComponent           *component,
               const char                  *path,
               Bonobo_UIComponent_EventType type,
               const char                  *state,
               gpointer                     user_data)
{
    TaskEditor *te = (TaskEditor *) user_data;
    
    if (type != Bonobo_UIComponent_STATE_CHANGED)
        return;
    task_page_set_show_timezone (te->priv->task_page, atoi(state)); 
    calendar_config_set_show_timezone (atoi(state));
}

static void
menu_show_categories_cb (BonoboUIComponent           *component,
               const char                  *path,
               Bonobo_UIComponent_EventType type,
               const char                  *state,
               gpointer                     user_data)
{
    TaskEditor *te = (TaskEditor *) user_data;
    
    if (type != Bonobo_UIComponent_STATE_CHANGED)
        return;

    task_page_set_show_categories (te->priv->task_page, atoi(state));   
    calendar_config_set_show_categories (atoi(state));
}

static void
menu_class_public_cb (BonoboUIComponent          *ui_component,
             const char                  *path,
             Bonobo_UIComponent_EventType type,
             const char                  *state,
             gpointer             user_data)
{
    TaskEditor *te = (TaskEditor *) user_data;

    if (state[0] == '0')
        return;

    comp_editor_page_notify_changed (COMP_EDITOR_PAGE (te->priv->task_page));
    task_page_set_classification (te->priv->task_page, E_CAL_COMPONENT_CLASS_PUBLIC);
}

static void
menu_class_private_cb (BonoboUIComponent          *ui_component,
              const char                  *path,
              Bonobo_UIComponent_EventType type,
              const char                  *state,
              gpointer             user_data)
{
    TaskEditor *te = (TaskEditor *) user_data;
    if (state[0] == '0')
        return;
    
    comp_editor_page_notify_changed (COMP_EDITOR_PAGE (te->priv->task_page));
    task_page_set_classification (te->priv->task_page, E_CAL_COMPONENT_CLASS_PRIVATE);
}

static void
menu_class_confidential_cb (BonoboUIComponent          *ui_component,
                   const char                  *path,
                   Bonobo_UIComponent_EventType type,
                   const char                  *state,
                   gpointer         user_data)
{
    TaskEditor *te = (TaskEditor *) user_data;
    if (state[0] == '0')
        return;
    
    comp_editor_page_notify_changed (COMP_EDITOR_PAGE (te->priv->task_page));
    task_page_set_classification (te->priv->task_page, E_CAL_COMPONENT_CLASS_CONFIDENTIAL);
}


static void
menu_option_status_cb (BonoboUIComponent           *ui_component,
               const char                  *path,
               Bonobo_UIComponent_EventType type,
               const char                  *state,
               gpointer         user_data)
{
    TaskEditor *te = (TaskEditor *) user_data;
    
    gtk_widget_show (te->priv->task_details_window);
}

static void
menu_insert_send_options_cmd (BonoboUIComponent *uic,
             void *data,
             const char *path)
{
    TaskEditor *te = (TaskEditor *) data;
    
    task_page_sendoptions_clicked_cb (te->priv->task_page);
}

static void
menu_show_time_zone_cmd (BonoboUIComponent *uic,
             void *data,
             const char *path)
{   /* TODO implement it
    TaskEditor *te = (TaskEditor *) data;
    
    task_page_set_show_timezone (te->priv->task_page, atoi(state)); 
    calendar_config_set_show_timezone (atoi(state)); */
}

static void
menu_option_status_cmd (BonoboUIComponent *uic,
             void *data,
             const char *path)
{
    TaskEditor *te = (TaskEditor *) data;
    
    gtk_widget_show (te->priv->task_details_window);
}

static BonoboUIVerb verbs [] = {

    BONOBO_UI_VERB ("ViewTimeZone", menu_show_time_zone_cmd),   
    BONOBO_UI_VERB ("OptionStatus", menu_option_status_cmd),
    BONOBO_UI_VERB ("InsertSendOptions", menu_insert_send_options_cmd),
    BONOBO_UI_VERB_END
};

static EPixmap pixmaps[] = {
    E_PIXMAP ("/Toolbar/ViewTimeZone", "stock_timezone", E_ICON_SIZE_LARGE_TOOLBAR),    
    E_PIXMAP ("/Toolbar/OptionStatus", "stock_view-details", E_ICON_SIZE_LARGE_TOOLBAR),    
    E_PIXMAP ("/commands/OptionStatus", "stock_view-details", E_ICON_SIZE_LARGE_TOOLBAR),   
    
    E_PIXMAP_END
};


/* Object initialization function for the task editor */
static void
task_editor_init (TaskEditor *te)
{
    TaskEditorPrivate *priv;
    CompEditor *editor = COMP_EDITOR(te);
    gboolean status;
    
    priv = g_new0 (TaskEditorPrivate, 1);
    te->priv = priv;

    priv->model = E_MEETING_STORE (e_meeting_store_new ());
    priv->assignment_shown = TRUE;
    priv->updating = FALSE; 
    priv->is_assigned = FALSE;

    bonobo_ui_component_freeze (editor->uic, NULL);

    bonobo_ui_component_add_verb_list_with_data (editor->uic, verbs, te);

    bonobo_ui_util_set_ui (editor->uic, PREFIX,
                   EVOLUTION_UIDIR "/evolution-task-editor.xml",
                   "evolution-task-editor", NULL);

    /* Show hide the status fields */
    status = calendar_config_get_show_status ();
    bonobo_ui_component_set_prop (
        editor->uic, "/commands/ViewStatus",
        "state", status ? "1" : "0", NULL);
    bonobo_ui_component_add_listener (
        editor->uic, "ViewStatus",
        menu_view_status_cb, editor);
    
    /* Show hide the type fields */
    status = calendar_config_get_show_type ();
    bonobo_ui_component_set_prop (
        editor->uic, "/commands/ViewType",
        "state", status ? "1" : "0", NULL);
    bonobo_ui_component_add_listener (
        editor->uic, "ViewType",
        menu_view_type_cb, editor);

    /* Show hide the role fields */
    status = calendar_config_get_show_role ();
    bonobo_ui_component_set_prop (
        editor->uic, "/commands/ViewRole",
        "state", status ? "1" : "0", NULL);
    bonobo_ui_component_add_listener (
        editor->uic, "ViewRole",
        menu_view_role_cb, editor);

    /* Show hide the rsvp fields */
    status = calendar_config_get_show_rsvp ();
    bonobo_ui_component_set_prop (
        editor->uic, "/commands/ViewRSVP",
        "state", status ? "1" : "0", NULL);
    bonobo_ui_component_add_listener (
        editor->uic, "ViewRSVP",
        menu_view_rsvp_cb, editor);

    status = calendar_config_get_show_timezone ();
    bonobo_ui_component_set_prop (
        editor->uic, "/commands/ViewTimeZone",
        "state", status ? "1" : "0", NULL);
    bonobo_ui_component_add_listener (
        editor->uic, "ViewTimeZone",
        menu_show_time_zone_cb, editor);

    status = calendar_config_get_show_categories ();
    bonobo_ui_component_set_prop (
        editor->uic, "/commands/ViewCategories",
        "state", status ? "1" : "0", NULL);
    bonobo_ui_component_add_listener (
        editor->uic, "ViewCategories",
        menu_show_categories_cb, editor);

    bonobo_ui_component_set_prop (
        editor->uic, "/commands/ActionClassPublic",
        "state", "1", NULL);
    bonobo_ui_component_add_listener (
        editor->uic, "ActionClassPublic",
        menu_class_public_cb, editor);
    bonobo_ui_component_add_listener (
        editor->uic, "ActionClassPrivate",
        menu_class_private_cb, editor);
    bonobo_ui_component_add_listener (
        editor->uic, "ActionClassConfidential",
        menu_class_confidential_cb, editor);

    bonobo_ui_component_add_listener (
        editor->uic, "OptionStatus", 
        menu_option_status_cb, editor);
    
    e_pixmaps_update (editor->uic, pixmaps);

    bonobo_ui_component_thaw (editor->uic, NULL);   

    
    comp_editor_set_help_section (COMP_EDITOR (te), "usage-calendar-todo");
}

TaskEditor *
task_editor_construct (TaskEditor *te, ECal *client)
{
    TaskEditorPrivate *priv;
    gboolean read_only = FALSE;
    CompEditor *editor = COMP_EDITOR (te);
    
    priv = te->priv;

    priv->task_page = task_page_new (priv->model, client, editor->uic);
    g_object_ref (priv->task_page);
    gtk_object_sink (GTK_OBJECT (priv->task_page));
    comp_editor_append_page (COMP_EDITOR (te), 
                 COMP_EDITOR_PAGE (priv->task_page),
                 _("_Task"), TRUE);
    g_signal_connect (G_OBJECT (priv->task_page), "client_changed",
              G_CALLBACK (client_changed_cb), te);

    priv->task_details_window = gtk_dialog_new_with_buttons (_("Task Details"),
                                (GtkWindow *) te, GTK_DIALOG_MODAL,
                                "gtk-close", GTK_RESPONSE_CLOSE,
                                NULL);
    g_signal_connect (priv->task_details_window, "response", G_CALLBACK(gtk_widget_hide), NULL);
    
    priv->task_details_page = task_details_page_new ();
    g_object_ref (priv->task_details_page);
    gtk_object_sink (GTK_OBJECT (priv->task_details_page));
    gtk_container_add ((GtkContainer *) GTK_DIALOG(priv->task_details_window)->vbox, 
                   comp_editor_page_get_widget ((CompEditorPage *)priv->task_details_page));
    gtk_widget_show_all (priv->task_details_window);
    gtk_widget_hide (priv->task_details_window);
    comp_editor_append_page (editor, COMP_EDITOR_PAGE (priv->task_details_page), NULL, FALSE);
    
    if (!e_cal_is_read_only (client, &read_only, NULL))
            read_only = TRUE;

    if (priv->is_assigned) {
        if (e_cal_get_static_capability (client, CAL_STATIC_CAPABILITY_REQ_SEND_OPTIONS))
            task_page_show_options (priv->task_page);
    
        task_page_set_assignment (priv->task_page, TRUE);
        comp_editor_set_group_item (COMP_EDITOR (te), TRUE);
    } else {
        task_page_set_assignment (priv->task_page, FALSE);
    
        bonobo_ui_component_set_prop (editor->uic, "/commands/InsertSendOptions", "hidden", "1", NULL);
        bonobo_ui_component_set_prop (editor->uic, "/commands/ViewRole", "hidden", "1", NULL);
        bonobo_ui_component_set_prop (editor->uic, "/commands/ViewRSVP", "hidden", "1", NULL);
        bonobo_ui_component_set_prop (editor->uic, "/commands/ViewType", "hidden", "1", NULL);
        bonobo_ui_component_set_prop (editor->uic, "/commands/ViewStatus", "hidden", "1", NULL);
        bonobo_ui_component_set_prop (editor->uic, "/menu/View/AttendeeOptions/timezonesep", "hidden", "1", NULL);
    }

    comp_editor_set_e_cal (COMP_EDITOR (te), client);

    init_widgets (te);

    return te;
}

static void
task_editor_set_e_cal (CompEditor *editor, ECal *client)
{
    TaskEditor *te;
    TaskEditorPrivate *priv;

    te = TASK_EDITOR (editor);
    priv = te->priv;

    e_meeting_store_set_e_cal (priv->model, client);

    if (COMP_EDITOR_CLASS (task_editor_parent_class)->set_e_cal)
        COMP_EDITOR_CLASS (task_editor_parent_class)->set_e_cal (editor, client);
}

static void
task_editor_edit_comp (CompEditor *editor, ECalComponent *comp)
{
    TaskEditor *te;
    TaskEditorPrivate *priv;
    ECalComponentOrganizer organizer;
    ECal *client;
    GSList *attendees = NULL;
    
    te = TASK_EDITOR (editor);
    priv = te->priv;

    priv->updating = TRUE;

    if (COMP_EDITOR_CLASS (task_editor_parent_class)->edit_comp)
        COMP_EDITOR_CLASS (task_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);
    
    if (attendees != NULL) {
        GSList *l;
        int row;
        
        task_page_hide_options (priv->task_page);   
        task_page_set_assignment (priv->task_page, TRUE);

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

            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 delegating, 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);
        }
        
        
        comp_editor_set_group_item (COMP_EDITOR (te), TRUE);
        priv->assignment_shown = TRUE;      
    }
    e_cal_component_free_attendee_list (attendees);

    comp_editor_set_needs_send (COMP_EDITOR (te), priv->assignment_shown && itip_organizer_is_user (comp, client));

    priv->updating = FALSE;
}

static gboolean
task_editor_send_comp (CompEditor *editor, ECalComponentItipMethod method)
{
    TaskEditor *te = TASK_EDITOR (editor);
    TaskEditorPrivate *priv;
    ECalComponent *comp = NULL;

    priv = te->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 = task_page_get_cancel_comp (priv->task_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;
    }

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

    return FALSE;
}

/* Destroy handler for the event editor */
static void
task_editor_finalize (GObject *object)
{
    TaskEditor *te;
    TaskEditorPrivate *priv;

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

    te = TASK_EDITOR (object);
    priv = te->priv;

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

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

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

/**
 * task_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.
 **/
TaskEditor *
task_editor_new (ECal *client, CompEditorFlags flags)
{
    TaskEditor *te;

    te = g_object_new (TYPE_TASK_EDITOR, NULL);
    te->priv->is_assigned = flags & COMP_EDITOR_IS_ASSIGNED;
    comp_editor_set_flags (COMP_EDITOR (te), flags);

    return task_editor_construct (te, client);
}

static void
show_assignment (TaskEditor *te)
{
    TaskEditorPrivate *priv;

    priv = te->priv;

    task_page_set_assignment (priv->task_page, TRUE);
    if (!priv->assignment_shown) {
        priv->assignment_shown = TRUE;

        comp_editor_set_needs_send (COMP_EDITOR (te), priv->assignment_shown);
        comp_editor_set_changed (COMP_EDITOR (te), FALSE);
    }

}

void
task_editor_show_assignment (TaskEditor *te)
{
    g_return_if_fail (te != NULL);
    g_return_if_fail (IS_TASK_EDITOR (te));

    show_assignment (te);
}

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

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

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