path: root/calendar/gui/e-meeting-list-view.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/>
 *
 *
 * Authors:
 *      Mike Kestner  <mkestner@ximian.com>
 *      JP Rosevear  <jpr@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

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

#include <string.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <libebook/e-book.h>
#include <libebook/e-vcard.h>
#include <libecal/e-cal-component.h>
#include <libecal/e-cal-util.h>
#include <libecal/e-cal-time-util.h>
#include <libedataserverui/e-name-selector.h>
#include "calendar-config.h"
#include "e-meeting-list-view.h"
#include "itip-utils.h"
#include <misc/e-cell-renderer-combo.h>
#include <libebook/e-destination.h>
#include "e-select-names-renderer.h"

struct _EMeetingListViewPrivate {
    EMeetingStore *store;

    ENameSelector *name_selector;

    GHashTable *renderers;
};

#define BUF_SIZE 1024

/* Signal IDs */
enum {
    ATTENDEE_ADDED,
    LAST_SIGNAL
};

static guint e_meeting_list_view_signals[LAST_SIGNAL] = { 0 };

static void name_selector_dialog_close_cb (ENameSelectorDialog *dialog, gint response, gpointer data);

static const gchar *sections[] = {N_("Chair Persons"),
                  N_("Required Participants"),
                  N_("Optional Participants"),
                  N_("Resources"),
                  NULL};

static icalparameter_role roles[] = {ICAL_ROLE_CHAIR,
                     ICAL_ROLE_REQPARTICIPANT,
                     ICAL_ROLE_OPTPARTICIPANT,
                     ICAL_ROLE_NONPARTICIPANT,
                     ICAL_ROLE_NONE};

G_DEFINE_TYPE (EMeetingListView, e_meeting_list_view, GTK_TYPE_TREE_VIEW)

static void
e_meeting_list_view_finalize (GObject *obj)
{
    EMeetingListView *view = E_MEETING_LIST_VIEW (obj);
    EMeetingListViewPrivate *priv = view->priv;

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

    if (priv->renderers) {
        g_hash_table_destroy (priv->renderers);
        priv->renderers = NULL;
    }

    g_free (priv);

    if (G_OBJECT_CLASS (e_meeting_list_view_parent_class)->finalize)
        (* G_OBJECT_CLASS (e_meeting_list_view_parent_class)->finalize) (obj);
}

static void
e_meeting_list_view_class_init (EMeetingListViewClass *klass)
{
    GObjectClass *object_class;

    object_class = G_OBJECT_CLASS (klass);

    object_class->finalize = e_meeting_list_view_finalize;

    e_meeting_list_view_signals[ATTENDEE_ADDED] =
        g_signal_new ("attendee_added",
                  G_TYPE_FROM_CLASS (klass),
                  G_SIGNAL_RUN_LAST,
                  G_STRUCT_OFFSET (EMeetingListViewClass, attendee_added),
                  NULL, NULL,
                  g_cclosure_marshal_VOID__POINTER,
                  G_TYPE_NONE, 1,
                  G_TYPE_POINTER);
}

static void
add_section (ENameSelector *name_selector, const gchar *name)
{
    ENameSelectorModel *name_selector_model;

    name_selector_model = e_name_selector_peek_model (name_selector);
    e_name_selector_model_add_section (name_selector_model, name, gettext (name), NULL);
}

static void
e_meeting_list_view_init (EMeetingListView *view)
{
    EMeetingListViewPrivate *priv;
    ENameSelectorDialog *name_selector_dialog;
    gint i;

    priv = g_new0 (EMeetingListViewPrivate, 1);

    view->priv = priv;

    priv->renderers = g_hash_table_new (g_direct_hash, g_int_equal);

    priv->name_selector = e_name_selector_new ();

    for (i = 0; sections[i]; i++)
        add_section (priv->name_selector, sections[i]);

    name_selector_dialog = e_name_selector_peek_dialog (view->priv->name_selector);
    gtk_window_set_title (GTK_WINDOW (name_selector_dialog), _("Attendees"));
    g_signal_connect (name_selector_dialog, "response",
              G_CALLBACK (name_selector_dialog_close_cb), view);

}

static GList *
get_type_strings (void)
{
    GList *strings = NULL;

    strings = g_list_append (strings, (gchar *) _("Individual"));
        strings = g_list_append (strings, (gchar *) _("Group"));
        strings = g_list_append (strings, (gchar *) _("Resource"));
        strings = g_list_append (strings, (gchar *) _("Room"));
        strings = g_list_append (strings, (gchar *) _("Unknown"));

    return strings;
}

static GList *
get_role_strings (void)
{
    GList *strings = NULL;

    strings = g_list_append (strings, (gchar *) _("Chair"));
    strings = g_list_append (strings, (gchar *) _("Required Participant"));
    strings = g_list_append (strings, (gchar *) _("Optional Participant"));
    strings = g_list_append (strings, (gchar *) _("Non-Participant"));
    strings = g_list_append (strings, (gchar *) _("Unknown"));

    return strings;
}

static GList *
get_rsvp_strings (void)
{
    GList *strings = NULL;

    strings = g_list_append (strings, (gchar *) _("Yes"));
    strings = g_list_append (strings, (gchar *) _("No"));

    return strings;
}

static GList *
get_status_strings (void)
{
    GList *strings = NULL;

    strings = g_list_append (strings, (gchar *) _("Needs Action"));
    strings = g_list_append (strings, (gchar *) _("Accepted"));
    strings = g_list_append (strings, (gchar *) _("Declined"));
    strings = g_list_append (strings, (gchar *) _("Tentative"));
    strings = g_list_append (strings, (gchar *) _("Delegated"));

    return strings;
}

static void
value_edited (GtkTreeView *view, gint col, const gchar *path, const gchar *text)
{
    EMeetingStore *model = E_MEETING_STORE (gtk_tree_view_get_model (view));
    GtkTreePath *treepath = gtk_tree_path_new_from_string (path);
    gint row = gtk_tree_path_get_indices (treepath)[0];

    e_meeting_store_set_value (model, row, col, text);
    gtk_tree_path_free (treepath);
}

static guint
get_index_from_role (icalparameter_role role)
{
    switch (role)   {
        case ICAL_ROLE_CHAIR:
            return 0;
        case ICAL_ROLE_REQPARTICIPANT:
            return 1;
        case ICAL_ROLE_OPTPARTICIPANT:
            return 2;
        case ICAL_ROLE_NONPARTICIPANT:
            return 3;
        default:
            return 1;
    }
}

void
e_meeting_list_view_add_attendee_to_name_selector (EMeetingListView *view, EMeetingAttendee *ma)
{
    EDestinationStore *destination_store;
    ENameSelectorModel *name_selector_model;
    EDestination *des;
    EMeetingListViewPrivate *priv;
    guint i = 1;

    priv = view->priv;

    name_selector_model = e_name_selector_peek_model (priv->name_selector);
    i = get_index_from_role (e_meeting_attendee_get_role (ma));
    e_name_selector_model_peek_section (name_selector_model, sections[i],
                        NULL, &destination_store);
    des = e_destination_new ();
    e_destination_set_email (des, itip_strip_mailto (e_meeting_attendee_get_address (ma)));
    e_destination_set_name (des, e_meeting_attendee_get_cn (ma));
    e_destination_store_append_destination (destination_store, des);
    g_object_unref (des);
}

void
e_meeting_list_view_remove_attendee_from_name_selector (EMeetingListView *view, EMeetingAttendee *ma)
{
    GList             *destinations, *l;
    EDestinationStore *destination_store;
    ENameSelectorModel *name_selector_model;
    const gchar *madd = NULL;
    EMeetingListViewPrivate *priv;
    guint i = 1;

    priv = view->priv;

    name_selector_model = e_name_selector_peek_model (priv->name_selector);
    i = get_index_from_role (e_meeting_attendee_get_role (ma));
    e_name_selector_model_peek_section (name_selector_model, sections[i],
                        NULL, &destination_store);
    destinations = e_destination_store_list_destinations (destination_store);
    madd = itip_strip_mailto (e_meeting_attendee_get_address (ma));

    for (l = destinations; l; l = g_list_next (l)) {
        const gchar *attendee = NULL;
        EDestination *des = l->data;

        if (e_destination_is_evolution_list (des)) {
            GList *l, *dl;

            dl = (GList *)e_destination_list_get_dests (des);

            for (l = dl; l; l = l->next) {
                attendee = e_destination_get_email (l->data);
                if (madd && attendee && g_str_equal (madd, attendee)) {
                    g_object_unref (l->data);
                    l = g_list_remove (l, l->data);
                    break;
                }
            }
        } else {
            attendee = e_destination_get_email (des);
            if (madd && attendee && g_str_equal (madd, attendee)) {
                e_destination_store_remove_destination (destination_store, des);
            }
        }
    }

    g_list_free (destinations);
}

void
e_meeting_list_view_remove_all_attendees_from_name_selector (EMeetingListView *view)
{
    ENameSelectorModel *name_selector_model;
    EMeetingListViewPrivate *priv;
    guint i;

    priv = view->priv;

    name_selector_model = e_name_selector_peek_model (priv->name_selector);

    for (i = 0; sections[i] != NULL; i++) {
        EDestinationStore *destination_store = NULL;
        GList             *destinations = NULL, *l = NULL;

        e_name_selector_model_peek_section (name_selector_model, sections[i],
                            NULL, &destination_store);
        if (!destination_store) {
            g_warning ("destination store is NULL\n");
            continue;
        }

        destinations = e_destination_store_list_destinations (destination_store);
        for (l = destinations; l; l = g_list_next (l)) {
            EDestination *des = l->data;

            if (e_destination_is_evolution_list (des)) {
                GList *m, *dl;

                dl = (GList *)e_destination_list_get_dests (des);

                for (m = dl; m; m = m->next) {
                    g_object_unref (m->data);
                    m = g_list_remove (m, l->data);
                }
            } else {
                e_destination_store_remove_destination (destination_store, des);
            }
        }
        g_list_free (destinations);
    }
}

static void
attendee_edited_cb (GtkCellRenderer *renderer, const gchar *path, GList *addresses, GList *names, GtkTreeView *view)
{
    EMeetingStore *model = E_MEETING_STORE (gtk_tree_view_get_model (view));
    GtkTreePath *treepath = gtk_tree_path_new_from_string (path);
    gint row = gtk_tree_path_get_indices (treepath)[0];
    EMeetingAttendee *existing_attendee;

    existing_attendee = e_meeting_store_find_attendee_at_row (model, row);

    if (g_list_length (addresses) > 1) {
        EMeetingAttendee *attendee;
        GList *l, *m;
        gboolean can_remove = TRUE;

        for (l = addresses, m = names; l && m; l = l->next, m = m->next) {
            gchar *name = m->data, *email = l->data;

            if (!((name && *name) || (email && *email)))
                    continue;

            attendee = e_meeting_store_find_attendee (model, email, NULL);
            if (attendee != NULL) {
                if (attendee == existing_attendee)
                    can_remove = FALSE;
                continue;
            }

            attendee = e_meeting_store_add_attendee_with_defaults (model);
            e_meeting_attendee_set_address (attendee, g_strdup_printf ("MAILTO:%s", (gchar *)l->data));
            e_meeting_attendee_set_cn (attendee, g_strdup (m->data));
            if (existing_attendee) {
                /* FIXME Should we copy anything else? */
                e_meeting_attendee_set_cutype (attendee, e_meeting_attendee_get_cutype (existing_attendee));
                e_meeting_attendee_set_role (attendee, e_meeting_attendee_get_role (existing_attendee));
                e_meeting_attendee_set_rsvp (attendee, e_meeting_attendee_get_rsvp (existing_attendee));
                e_meeting_attendee_set_status (attendee, ICAL_PARTSTAT_NEEDSACTION);
                e_meeting_attendee_set_delfrom (attendee, (gchar *)e_meeting_attendee_get_delfrom (existing_attendee));
            }
            e_meeting_list_view_add_attendee_to_name_selector (E_MEETING_LIST_VIEW (view), attendee);
            g_signal_emit_by_name (G_OBJECT (view), "attendee_added", (gpointer) attendee);
        }

        if (existing_attendee && can_remove) {
            e_meeting_list_view_remove_attendee_from_name_selector (E_MEETING_LIST_VIEW (view), existing_attendee);
            e_meeting_store_remove_attendee (model, existing_attendee);
        }
    } else if (g_list_length (addresses) == 1) {
        gchar *name = names->data, *email = addresses->data;
        gint existing_row;

        if (!((name && *name) || (email && *email)) || ((e_meeting_store_find_attendee (model, email, &existing_row) != NULL) && existing_row != row)) {
            if (existing_attendee) {
                e_meeting_list_view_remove_attendee_from_name_selector (E_MEETING_LIST_VIEW (view), existing_attendee);
                e_meeting_store_remove_attendee (model, existing_attendee);
            }
        } else {
            gboolean address_changed = FALSE;
            EMeetingAttendee *attendee;

            if (existing_attendee) {
                const gchar *addr = e_meeting_attendee_get_address (existing_attendee);

                if (addr && g_ascii_strncasecmp (addr, "MAILTO:", 7) == 0)
                    addr += 7;

                address_changed = addr && g_ascii_strcasecmp (addr, email) != 0;

                e_meeting_list_view_remove_attendee_from_name_selector (E_MEETING_LIST_VIEW (view), existing_attendee);
                attendee = existing_attendee;
            } else {
                attendee = e_meeting_store_add_attendee_with_defaults (model);
            }

            value_edited (view, E_MEETING_STORE_ADDRESS_COL, path, email);
            value_edited (view, E_MEETING_STORE_CN_COL, path, name);

            e_meeting_attendee_set_address (attendee, g_strdup_printf ("MAILTO:%s", email));
            e_meeting_attendee_set_cn (attendee, g_strdup (name));
            e_meeting_attendee_set_role (attendee, ICAL_ROLE_REQPARTICIPANT);
            e_meeting_list_view_add_attendee_to_name_selector (E_MEETING_LIST_VIEW (view), attendee);

            if (address_changed)
                e_meeting_attendee_set_status (attendee, ICAL_PARTSTAT_NEEDSACTION);

            g_signal_emit_by_name (G_OBJECT (view), "attendee_added", (gpointer) attendee);
        }
    } else if (existing_attendee) {
        const gchar *address = e_meeting_attendee_get_address (existing_attendee);

        if (!(address && *address)) {
            e_meeting_list_view_remove_attendee_from_name_selector (E_MEETING_LIST_VIEW (view), existing_attendee);
            e_meeting_store_remove_attendee (model, existing_attendee);
        }
    }

    gtk_tree_path_free (treepath);
}

static void
attendee_editing_canceled_cb (GtkCellRenderer *renderer, GtkTreeView *view)
{
    EMeetingStore *model = E_MEETING_STORE (gtk_tree_view_get_model (view));
    GtkTreePath *path;
    EMeetingAttendee *existing_attendee;
    gint row;

    /* This is for newly added attendees when the editing is cancelled */
    gtk_tree_view_get_cursor (view, &path, NULL);
    if (!path)
        return;

    row = gtk_tree_path_get_indices (path)[0];
    existing_attendee = e_meeting_store_find_attendee_at_row (model, row);
    if (existing_attendee) {
        if (!e_meeting_attendee_is_set_cn (existing_attendee) && !e_meeting_attendee_is_set_address (existing_attendee))
            e_meeting_store_remove_attendee (model, existing_attendee);
    }

    gtk_tree_path_free (path);
}

static void
type_edited_cb (GtkCellRenderer *renderer, const gchar *path, const gchar *text, GtkTreeView *view)
{
    value_edited (view, E_MEETING_STORE_TYPE_COL, path, text);
}

static void
role_edited_cb (GtkCellRenderer *renderer, const gchar *path, const gchar *text, GtkTreeView *view)
{
    /* This is a little more complex than the other callbacks because
     * we also need to update the "Required Participants" dialog. */

    EMeetingStore *model = E_MEETING_STORE (gtk_tree_view_get_model (view));
    GtkTreePath *treepath = gtk_tree_path_new_from_string (path);
    gint row = gtk_tree_path_get_indices (treepath)[0];
    EMeetingAttendee *attendee;

    attendee = e_meeting_store_find_attendee_at_row (model, row);
    e_meeting_list_view_remove_attendee_from_name_selector (E_MEETING_LIST_VIEW (view), attendee);
    e_meeting_store_set_value (model, row, E_MEETING_STORE_ROLE_COL, text);
    e_meeting_list_view_add_attendee_to_name_selector (E_MEETING_LIST_VIEW (view), attendee);

    gtk_tree_path_free (treepath);
}

static void
rsvp_edited_cb (GtkCellRenderer *renderer, const gchar *path, const gchar *text, GtkTreeView *view)
{
    value_edited (view, E_MEETING_STORE_RSVP_COL, path, text);
}

static void
status_edited_cb (GtkCellRenderer *renderer, const gchar *path, const gchar *text, GtkTreeView *view)
{
    value_edited (view, E_MEETING_STORE_STATUS_COL, path, text);
}

static void
ense_update (GtkWidget *w, gpointer data1, gpointer user_data)
{
    gtk_cell_editable_editing_done ((GtkCellEditable *)w);
}

static void
editing_started_cb (GtkCellRenderer *renderer,
            GtkCellEditable *editable,
            gchar           *path,
            gpointer         user_data)
{
        g_signal_connect (editable, "updated", G_CALLBACK(ense_update), NULL);
}

static void
build_table (EMeetingListView *lview)
{
    GtkCellRenderer *renderer;
    GtkTreeView *view = GTK_TREE_VIEW (lview);
    EMeetingListViewPrivate *priv;
    GHashTable *edit_table;
    GtkTreeViewColumn *col;
    gint pos;

    priv = lview->priv;
    edit_table = priv->renderers;
    gtk_tree_view_set_headers_visible (view, TRUE);
    gtk_tree_view_set_rules_hint (view, TRUE);

    renderer = e_select_names_renderer_new ();
    g_object_set (G_OBJECT (renderer), "editable", TRUE, NULL);
    /* The extra space is just a hack to occupy more space for Attendee */
    pos = gtk_tree_view_insert_column_with_attributes (view, -1, _("Attendee                          "), renderer,
                             "text", E_MEETING_STORE_ATTENDEE_COL,
                             "name", E_MEETING_STORE_CN_COL,
                             "email", E_MEETING_STORE_ADDRESS_COL,
                             "underline", E_MEETING_STORE_ATTENDEE_UNDERLINE_COL,
                             NULL);
    col = gtk_tree_view_get_column (view, pos -1);
    gtk_tree_view_column_set_resizable (col, TRUE);
    gtk_tree_view_column_set_reorderable (col, TRUE);
    gtk_tree_view_column_set_expand (col, TRUE);
    g_object_set (col, "min-width", 50, NULL);
    g_object_set_data (G_OBJECT (col), "mtg-store-col", GINT_TO_POINTER (E_MEETING_STORE_ATTENDEE_COL));
    g_signal_connect (renderer, "cell_edited", G_CALLBACK (attendee_edited_cb), view);
    g_signal_connect (renderer, "editing-canceled", G_CALLBACK (attendee_editing_canceled_cb), view);
    g_signal_connect (renderer, "editing-started", G_CALLBACK (editing_started_cb), view);

    g_hash_table_insert (edit_table, GINT_TO_POINTER (E_MEETING_STORE_ATTENDEE_COL), renderer);

    renderer = e_cell_renderer_combo_new ();
    g_object_set (G_OBJECT (renderer), "list", get_type_strings (), "editable", TRUE, NULL);
    pos = gtk_tree_view_insert_column_with_attributes (view, -1, _("Type"), renderer,
                             "text", E_MEETING_STORE_TYPE_COL,
                             NULL);
    col = gtk_tree_view_get_column (view, pos -1);
    gtk_tree_view_column_set_resizable (col, TRUE);
    gtk_tree_view_column_set_reorderable (col, TRUE);
    g_object_set_data (G_OBJECT (col), "mtg-store-col", GINT_TO_POINTER (E_MEETING_STORE_TYPE_COL));
    g_signal_connect (renderer, "edited", G_CALLBACK (type_edited_cb), view);
    g_hash_table_insert (edit_table, GINT_TO_POINTER (E_MEETING_STORE_TYPE_COL), renderer);

    renderer = e_cell_renderer_combo_new ();
    g_object_set (G_OBJECT (renderer), "list", get_role_strings (), "editable", TRUE, NULL);
    pos = gtk_tree_view_insert_column_with_attributes (view, -1, _("Role"), renderer,
                             "text", E_MEETING_STORE_ROLE_COL,
                             NULL);
    col = gtk_tree_view_get_column (view, pos -1);
    gtk_tree_view_column_set_resizable (col, TRUE);
    gtk_tree_view_column_set_reorderable (col, TRUE);
    g_object_set_data (G_OBJECT (col), "mtg-store-col", GINT_TO_POINTER (E_MEETING_STORE_ROLE_COL));
    g_signal_connect (renderer, "edited", G_CALLBACK (role_edited_cb), view);
    g_hash_table_insert (edit_table, GINT_TO_POINTER (E_MEETING_STORE_ROLE_COL), renderer);

    renderer = e_cell_renderer_combo_new ();
    g_object_set (G_OBJECT (renderer), "list", get_rsvp_strings (), "editable", TRUE, NULL);
    /* To translators: RSVP means "please reply" */
    pos = gtk_tree_view_insert_column_with_attributes (view, -1, _("RSVP"), renderer,
                             "text", E_MEETING_STORE_RSVP_COL,
                             NULL);
    col = gtk_tree_view_get_column (view, pos -1);
    gtk_tree_view_column_set_resizable (col, TRUE);
    gtk_tree_view_column_set_reorderable (col, TRUE);
    g_object_set_data (G_OBJECT (col), "mtg-store-col", GINT_TO_POINTER (E_MEETING_STORE_RSVP_COL));
    g_signal_connect (renderer, "edited", G_CALLBACK (rsvp_edited_cb), view);
    g_hash_table_insert (edit_table, GINT_TO_POINTER (E_MEETING_STORE_RSVP_COL), renderer);

    renderer = e_cell_renderer_combo_new ();
    g_object_set (G_OBJECT (renderer), "list", get_status_strings (), "editable", TRUE, NULL);
    pos = gtk_tree_view_insert_column_with_attributes (view, -1, _("Status"), renderer,
                             "text", E_MEETING_STORE_STATUS_COL,
                             NULL);
    col = gtk_tree_view_get_column (view, pos -1);
    gtk_tree_view_column_set_resizable (col, TRUE);
    gtk_tree_view_column_set_reorderable (col, TRUE);
    g_object_set_data (G_OBJECT (col), "mtg-store-col", GINT_TO_POINTER (E_MEETING_STORE_STATUS_COL));
    g_signal_connect (renderer, "edited", G_CALLBACK (status_edited_cb), view);
    g_hash_table_insert (edit_table, GINT_TO_POINTER (E_MEETING_STORE_STATUS_COL), renderer);

    priv->renderers = edit_table;
}

static void
change_edit_cols_for_user (gpointer key, gpointer value, gpointer user_data)
{
       GtkCellRenderer *renderer = (GtkCellRenderer *) value;
       gint key_val = GPOINTER_TO_INT (key);
       switch (key_val)
       {
               case E_MEETING_STORE_ATTENDEE_COL:
                       g_object_set (G_OBJECT (renderer), "editable", FALSE, NULL);
               break;
               case E_MEETING_STORE_ROLE_COL:
                       g_object_set (G_OBJECT (renderer), "editable", FALSE, NULL);
               break;
               case E_MEETING_STORE_TYPE_COL:
                       g_object_set (G_OBJECT (renderer), "editable", FALSE, NULL);
               break;
               case E_MEETING_STORE_RSVP_COL:
                       g_object_set (G_OBJECT (renderer), "editable", TRUE, NULL);
               break;
               case E_MEETING_STORE_STATUS_COL:
                       g_object_set (G_OBJECT (renderer), "editable", TRUE, NULL);
               break;
       }
}

static void
change_edit_cols_for_organizer (gpointer key, gpointer value, gpointer user_data)
{
       GtkCellRenderer *renderer = (GtkCellRenderer *) value;
       guint edit_level = GPOINTER_TO_INT (user_data);
       g_object_set (G_OBJECT (renderer), "editable", GINT_TO_POINTER (edit_level), NULL);
}

static void
row_activated_cb (GtkTreeSelection *selection, EMeetingListView *view)
{
       EMeetingAttendee *existing_attendee;
       EMeetingListViewPrivate *priv;
       gint row;
       EMeetingAttendeeEditLevel el;
       gint  edit_level;
       GtkTreeModel *model;
       GtkTreePath *path = NULL;
       GList *paths=NULL;

       priv = view->priv;

       if (!(paths = gtk_tree_selection_get_selected_rows (selection, &model)))
               return;
       if (g_list_length (paths) > 1)
               return;
       path = g_list_nth_data (paths, 0);
       if (!path)
           return;

       row = gtk_tree_path_get_indices (path)[0];
       existing_attendee = e_meeting_store_find_attendee_at_row (priv->store, row);
       el = e_meeting_attendee_get_edit_level (existing_attendee);

       switch (el)
       {
               case  E_MEETING_ATTENDEE_EDIT_NONE:
               edit_level = FALSE;
               g_hash_table_foreach (priv->renderers, change_edit_cols_for_organizer, GINT_TO_POINTER (edit_level));
               break;

               case E_MEETING_ATTENDEE_EDIT_FULL:
               edit_level = TRUE;
               g_hash_table_foreach (priv->renderers, change_edit_cols_for_organizer, GINT_TO_POINTER (edit_level));
               break;

               case E_MEETING_ATTENDEE_EDIT_STATUS:
               edit_level = FALSE;
               g_hash_table_foreach (priv->renderers, change_edit_cols_for_user, GINT_TO_POINTER (edit_level));
               break;
       }

}

EMeetingListView *
e_meeting_list_view_new (EMeetingStore *store)
{
    EMeetingListView *view = g_object_new (E_TYPE_MEETING_LIST_VIEW, NULL);
    GtkTreeSelection *selection;

    if (view) {
        view->priv->store = store;
        gtk_tree_view_set_model (GTK_TREE_VIEW (view), GTK_TREE_MODEL (store));
        build_table (view);
    }

    selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
    g_signal_connect (selection, "changed", G_CALLBACK (row_activated_cb), view);
    return view;
}

void
e_meeting_list_view_column_set_visible (EMeetingListView *view, EMeetingStoreColumns column, gboolean visible)
{
    GList *cols, *l;

    cols = gtk_tree_view_get_columns (GTK_TREE_VIEW (view));

    for (l = cols; l; l = l->next) {
        GtkTreeViewColumn *col = (GtkTreeViewColumn *) l->data;
        EMeetingStoreColumns store_colum = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (col), "mtg-store-col"));

        if (store_colum == column) {
            gtk_tree_view_column_set_visible (col, visible);
            break;
        }
    }
}

void
e_meeting_list_view_edit (EMeetingListView *emlv, EMeetingAttendee *attendee)
{
    EMeetingListViewPrivate *priv;
    GtkTreePath *path;
    GtkTreeViewColumn *focus_col;

    priv = emlv->priv;

    g_return_if_fail (emlv != NULL);
    g_return_if_fail (E_IS_MEETING_LIST_VIEW (emlv));
    g_return_if_fail (attendee != NULL);

    path = e_meeting_store_find_attendee_path (priv->store, attendee);
    focus_col = gtk_tree_view_get_column (GTK_TREE_VIEW (emlv), 0);

    if (path) {
        gtk_tree_view_set_cursor (GTK_TREE_VIEW (emlv), path, focus_col, TRUE);

        gtk_tree_path_free (path);
    }
}

static void
process_section (EMeetingListView *view, GList *destinations, icalparameter_role role, GSList **la)
{
    EMeetingListViewPrivate *priv;
    GList *l;

    priv = view->priv;
    for (l = destinations; l; l = g_list_next (l)) {
        EDestination *destination = l->data, *des = NULL;
        const GList *list_dests = NULL, *l;
        GList card_dest;

        if (e_destination_is_evolution_list (destination)) {
            list_dests = e_destination_list_get_dests (destination);
        } else {
            EContact *contact = e_destination_get_contact (destination);
            /* check if the contact is contact list which is not expanded yet */
            /* we expand it by getting the list again from the server forming the query */
            if (contact && e_contact_get (contact , E_CONTACT_IS_LIST)) {
                EBook *book = NULL;
                ENameSelectorDialog *dialog;
                ENameSelectorModel *model;
                EContactStore *c_store;
                GList *books, *l;
                gchar *uri = e_contact_get (contact, E_CONTACT_BOOK_URI);

                dialog = e_name_selector_peek_dialog (view->priv->name_selector);
                model = e_name_selector_dialog_peek_model (dialog);
                c_store = e_name_selector_model_peek_contact_store (model);
                books = e_contact_store_get_books (c_store);

                for (l = books; l; l = l->next) {
                    EBook *b = l->data;
                    if (g_str_equal (uri, e_book_get_uri (b))) {
                        book = b;
                        break;
                    }
                }

                if (book) {
                    GList *contacts;
                    EContact *n_con = NULL;
                    gchar *qu;
                    EBookQuery *query;

                    qu = g_strdup_printf ("(is \"full_name\" \"%s\")",
                            (gchar *) e_contact_get (contact, E_CONTACT_FULL_NAME));
                    query = e_book_query_from_string (qu);

                    if (!e_book_get_contacts (book, query, &contacts, NULL)) {
                        g_warning ("Could not get contact from the book \n");
                        return;
                    } else {
                        des = e_destination_new ();
                        n_con = contacts->data;

                        e_destination_set_contact (des, n_con, 0);
                        list_dests = e_destination_list_get_dests (des);

                        g_list_foreach (contacts, (GFunc) g_object_unref, NULL);
                        g_list_free (contacts);
                    }

                    e_book_query_unref (query);
                    g_free (qu);
                }
                g_list_free (books);
            } else {
                card_dest.next = NULL;
                card_dest.prev = NULL;
                card_dest.data = destination;
                list_dests = &card_dest;
            }
        }

        for (l = list_dests; l; l = l->next) {
            EDestination *dest = l->data;
            EContact *contact;
            const gchar *name, *attendee = NULL;
            gchar *attr = NULL, *fburi = NULL;

            name = e_destination_get_name (dest);

            /* Get the field as attendee from the backend */
            if (e_cal_get_ldap_attribute (e_meeting_store_get_client (priv->store),
                              &attr, NULL)) {
                /* FIXME this should be more general */
                if (!g_ascii_strcasecmp (attr, "icscalendar")) {

                    /* FIXME: this does not work, have to use first
                       e_destination_use_contact () */
                    contact = e_destination_get_contact (dest);
                    if (contact) {
                        attendee = e_contact_get (contact, E_CONTACT_FREEBUSY_URL);
                        if (!attendee)
                            attendee = e_contact_get (contact, E_CONTACT_CALENDAR_URI);
                    }
                }
            }

            /* If we couldn't get the attendee prior, get the email address as the default */
            if (attendee == NULL || *attendee == '\0') {
                attendee = e_destination_get_email (dest);
            }

            if (attendee == NULL || *attendee == '\0')
                continue;

            contact = e_destination_get_contact (dest);
            if (contact)
                fburi = e_contact_get (contact, E_CONTACT_FREEBUSY_URL);

            if (e_meeting_store_find_attendee (priv->store, attendee, NULL) == NULL) {
                EMeetingAttendee *ia = e_meeting_store_add_attendee_with_defaults (priv->store);

                e_meeting_attendee_set_address (ia, g_strdup_printf ("MAILTO:%s", attendee));
                e_meeting_attendee_set_role (ia, role);
                if (role == ICAL_ROLE_NONPARTICIPANT)
                    e_meeting_attendee_set_cutype (ia, ICAL_CUTYPE_RESOURCE);
                e_meeting_attendee_set_cn (ia, g_strdup (name));

                if (fburi)
                    e_meeting_attendee_set_fburi (ia, fburi);
            } else {
                if (g_slist_length (*la) == 1) {
                    g_slist_free (*la);
                    *la = NULL;
                } else
                    *la = g_slist_remove_link (*la, g_slist_find_custom (*la, attendee, (GCompareFunc)g_ascii_strcasecmp));
            }
        }

        if (des) {
            g_object_unref (des);
            des = NULL;
        }

    }
}

static void
add_to_list (gpointer data, gpointer u_data)
{
    GSList **user_data = u_data;

    *user_data = g_slist_append (*user_data, (gpointer)itip_strip_mailto (e_meeting_attendee_get_address (data)));
}

static void
name_selector_dialog_close_cb (ENameSelectorDialog *dialog, gint response, gpointer data)
{
    EMeetingListView   *view = E_MEETING_LIST_VIEW (data);
    ENameSelectorModel *name_selector_model;
    EMeetingStore *store;
    const GPtrArray *attendees;
    gint i;
    GSList        *la = NULL, *l;

    name_selector_model = e_name_selector_peek_model (view->priv->name_selector);
    store = E_MEETING_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (view)));
    attendees = e_meeting_store_get_attendees (store);

    /* get all the email ids of the attendees */
    g_ptr_array_foreach ((GPtrArray *)attendees, (GFunc) add_to_list, &la);

    for (i = 0; sections[i] != NULL; i++) {
        EDestinationStore *destination_store;
        GList             *destinations;

        e_name_selector_model_peek_section (name_selector_model, sections[i],
                            NULL, &destination_store);
        if (!destination_store) {
            g_warning ("destination store is NULL\n");
            continue;
        }

        destinations = e_destination_store_list_destinations (destination_store);
        process_section (view, destinations, roles[i], &la);
        g_list_free (destinations);
    }

    /* remove the deleted attendees from name selector */
    for (l = la; l != NULL; l = l->next) {
        EMeetingAttendee *ma = NULL;
        const gchar *email = l->data;
        gint i;

        ma = e_meeting_store_find_attendee (store, email, &i);

        if (ma) {
            if (e_meeting_attendee_get_edit_level (ma) != E_MEETING_ATTENDEE_EDIT_FULL)
                g_warning ("Not enough rights to delete attendee: %s\n", e_meeting_attendee_get_address (ma));
            else
                e_meeting_store_remove_attendee (store, ma);
        }
    }

    g_slist_free (la);
    gtk_widget_hide (GTK_WIDGET (dialog));
}

void
e_meeting_list_view_invite_others_dialog (EMeetingListView *view)
{
    e_name_selector_show_dialog (view->priv->name_selector,
                     GTK_WIDGET (view));
}

void
e_meeting_list_view_set_editable (EMeetingListView *lview, gboolean set)
{
    EMeetingListViewPrivate *priv = lview->priv;

    gint edit_level = set;

    g_hash_table_foreach (priv->renderers, change_edit_cols_for_organizer, GINT_TO_POINTER (edit_level));
}

ENameSelector *
e_meeting_list_view_get_name_selector (EMeetingListView *lview)
{
    EMeetingListViewPrivate *priv;

    g_return_val_if_fail (lview != NULL, NULL);
    g_return_val_if_fail (E_IS_MEETING_LIST_VIEW (lview), NULL);

    priv = lview->priv;

    return priv->name_selector;
}

void
e_meeting_list_view_set_name_selector (EMeetingListView *lview, ENameSelector *name_selector)
{
    EMeetingListViewPrivate *priv;

    g_return_if_fail (lview != NULL);
    g_return_if_fail (E_IS_MEETING_LIST_VIEW (lview));

    priv = lview->priv;

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

    priv->name_selector = g_object_ref (name_selector);
}