path: root/plugins/exchange-operations/exchange-permissions-dialog.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:
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

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

#include "exchange-permissions-dialog.h"
#include "exchange-hierarchy.h"
#include "exchange-user-dialog.h"

#include "e2k-context.h"
#include "e2k-global-catalog.h"
#include "e2k-propnames.h"
#include "e2k-sid.h"
#include "e2k-security-descriptor.h"

#include "e2k-uri.h"
#include "e2k-utils.h"
#include "e-folder-exchange.h"
#include "exchange-account.h"
#include "exchange-operations.h"

#include <e-util/e-dialog-utils.h>
#include <e-util/e-error.h>
#include <glade/glade-xml.h>

struct _ExchangePermissionsDialogPrivate {
    ExchangeAccount *account;
    char *base_uri, *folder_path;
    E2kSecurityDescriptor *sd;
    gboolean changed;
    gboolean frozen;

    /* The user list */
    GtkTreeView *list_view;
    GtkListStore *list_store;
    GtkTreeSelection *list_selection;
    E2kSid *selected_sid;

    /* The Role menu */
    GtkComboBox *role_optionmenu;

    /* Custom label is added or not */
    gboolean custom_added;

    GtkWidget *separator, *custom;
    E2kPermissionsRole selected_role;

    /* The toggles */
    GtkToggleButton *read_items_check, *create_items_check;
    GtkToggleButton *create_subfolders_check, *folder_visible_check;
    GtkToggleButton *folder_owner_check, *folder_contact_check;
    GtkToggleButton *edit_none_radio, *edit_own_radio, *edit_all_radio;
    GtkToggleButton *delete_none_radio, *delete_own_radio, *delete_all_radio;
    guint32 selected_perms;
};

enum {
    EXCHANGE_PERMISSIONS_DIALOG_NAME_COLUMN,
    EXCHANGE_PERMISSIONS_DIALOG_ROLE_COLUMN,
    EXCHANGE_PERMISSIONS_DIALOG_SID_COLUMN,

    EXCHANGE_PERMISSIONS_DIALOG_NUM_COLUMNS
};

#define PARENT_TYPE GTK_TYPE_DIALOG
static GtkDialogClass *parent_class = NULL;

static void
finalize (GObject *object)
{
    ExchangePermissionsDialog *dialog =
        EXCHANGE_PERMISSIONS_DIALOG (object);

    g_free (dialog->priv->base_uri);
    g_free (dialog->priv->folder_path);

    if (dialog->priv->sd)
        g_object_unref (dialog->priv->sd);

    g_free (dialog->priv);

    G_OBJECT_CLASS (parent_class)->finalize (object);
}

static void
class_init (GObjectClass *object_class)
{
    parent_class = g_type_class_ref (PARENT_TYPE);

    /* virtual method override */
    object_class->finalize = finalize;
}

static void
init (GObject *object)
{
    ExchangePermissionsDialog *dialog =
        EXCHANGE_PERMISSIONS_DIALOG (object);

    dialog->priv = g_new0 (ExchangePermissionsDialogPrivate, 1);
}

E2K_MAKE_TYPE (exchange_permissions_dialog, ExchangePermissionsDialog, class_init, init, PARENT_TYPE)



static void get_widgets         (ExchangePermissionsDialog *dialog,
                 GladeXML *xml);
static void setup_user_list     (ExchangePermissionsDialog *dialog);
static void display_permissions (ExchangePermissionsDialog *dialog);
static void dialog_response     (ExchangePermissionsDialog *dialog,
                 int response, gpointer user_data);

static const char *sd_props[] = {
    E2K_PR_EXCHANGE_SD_BINARY,
    E2K_PR_EXCHANGE_SD_XML
};
static const int n_sd_props = sizeof (sd_props) / sizeof (sd_props[0]);

/**
 * exchange_permissions_dialog_new:
 * @account: an account
 * @folder: the folder whose permissions are to be editted
 * @parent: a widget in the dialog's parent window
 *
 * Creates and displays a modeless permissions editor dialog for @folder.
 **/
void
exchange_permissions_dialog_new (ExchangeAccount *account,
                 EFolder *folder,
                 GtkWidget *parent)
{
    ExchangePermissionsDialog *dialog;
    const char *base_uri, *folder_uri, *folder_path;
    E2kContext *ctx;
    ExchangeHierarchy *hier;
    GladeXML *xml;
    GtkWidget *box;
    char *title;
    E2kHTTPStatus status;
    E2kResult *results;
    int nresults = 0;
    xmlNode *xml_form;
    GByteArray *binary_form;

    g_return_if_fail (folder);

    ctx = exchange_account_get_context (account);
    g_return_if_fail (ctx);
    xml = glade_xml_new (
        CONNECTOR_GLADEDIR "/exchange-permissions-dialog.glade",
        "permissions_vbox", PACKAGE);
    g_return_if_fail (xml != NULL);

    /* Create the dialog */
    dialog = g_object_new (EXCHANGE_TYPE_PERMISSIONS_DIALOG, NULL);

    title = g_strdup_printf (_("Permissions for %s"),
                 e_folder_get_name (folder));
    gtk_window_set_title (GTK_WINDOW (dialog), title);
    g_free (title);

    gtk_dialog_add_buttons (GTK_DIALOG (dialog),
                GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
                GTK_STOCK_OK, GTK_RESPONSE_OK,
                NULL);

    g_signal_connect (dialog, "response",
              G_CALLBACK (dialog_response), NULL);

    dialog->priv->changed = FALSE;

    /* Put the widgets from the glade file into it */
    box = glade_xml_get_widget (xml, "permissions_vbox");
    g_object_ref (box);
    gtk_widget_unparent (box);
    gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox),
                box, TRUE, TRUE, 0);
    g_object_unref (box);

    get_widgets (dialog, xml);
    g_object_unref (xml);

    dialog->priv->account = account;
    g_object_ref (account);

    hier = e_folder_exchange_get_hierarchy (folder);
    base_uri = e_folder_exchange_get_internal_uri (hier->toplevel);
    dialog->priv->base_uri = g_strdup (base_uri);
    folder_uri = e_folder_exchange_get_internal_uri (folder);
    folder_path = e2k_uri_relative (dialog->priv->base_uri, folder_uri);
    dialog->priv->folder_path = g_strdup (folder_path);

    /* And fetch the security descriptor */
    status = e2k_context_propfind (ctx, NULL, folder_uri,
                       sd_props, n_sd_props,
                       &results, &nresults);
    if (!E2K_HTTP_STATUS_IS_SUCCESSFUL (status) || nresults < 1) {
    lose:
        e_error_run (GTK_WINDOW (parent), ERROR_DOMAIN ":perm-read-error", NULL);
        gtk_widget_destroy (GTK_WIDGET (dialog));
        if (nresults)
            e2k_results_free (results, nresults);
        return;
    }

    xml_form = e2k_properties_get_prop (results[0].props,
                        E2K_PR_EXCHANGE_SD_XML);
    binary_form = e2k_properties_get_prop (results[0].props,
                           E2K_PR_EXCHANGE_SD_BINARY);
    if (!xml_form || !binary_form)
        goto lose;

    dialog->priv->sd = e2k_security_descriptor_new (xml_form, binary_form);
    if (!dialog->priv->sd)
        goto lose;

    setup_user_list (dialog);
    gtk_widget_show (GTK_WIDGET (dialog));
    if (nresults)
        e2k_results_free (results, nresults);
}

static void
dialog_response (ExchangePermissionsDialog *dialog, int response,
         gpointer user_data)
{
    E2kContext *ctx;
    GByteArray *binsd;
    E2kProperties *props;
    E2kResultIter *iter;
    E2kResult *result;
    E2kHTTPStatus status;

    if (response != GTK_RESPONSE_OK || !dialog->priv->changed) {
        gtk_widget_destroy (GTK_WIDGET (dialog));
        return;
    }

    ctx = exchange_account_get_context (dialog->priv->account);
    g_return_if_fail (ctx != NULL);

    binsd = e2k_security_descriptor_to_binary (dialog->priv->sd);
    if (!binsd) {
        e_error_run (GTK_WINDOW (dialog), ERROR_DOMAIN ":perm-update-error", "", NULL);
        return;
    }

    gtk_widget_set_sensitive (GTK_WIDGET (dialog), FALSE);

    props = e2k_properties_new ();
    e2k_properties_set_binary (props, E2K_PR_EXCHANGE_SD_BINARY, binsd);

    /* We use BPROPPATCH here instead of PROPPATCH, because
     * PROPPATCH seems to mysteriously fail in someone else's
     * folder hierarchy. #29726
     */
    iter = e2k_context_bproppatch_start (ctx, NULL, dialog->priv->base_uri,
                         (const char **)&dialog->priv->folder_path, 1,
                         props, FALSE);
    e2k_properties_free (props);

    result = e2k_result_iter_next (iter);
    if (result) {
        status = result->status;
        e2k_result_iter_free (iter);
    } else
        status = e2k_result_iter_free (iter);

    gtk_widget_set_sensitive (GTK_WIDGET (dialog), TRUE);

    if (!E2K_HTTP_STATUS_IS_SUCCESSFUL (status)) {
        e_error_run (GTK_WINDOW (dialog), ERROR_DOMAIN ":perm-update-error",
                 status == E2K_HTTP_UNAUTHORIZED ?
                 _("(Permission denied.)") : "", NULL);
        return;
    }

    if (response == GTK_RESPONSE_OK)
        gtk_widget_destroy (GTK_WIDGET (dialog));
}


static void
set_permissions (ExchangePermissionsDialog *dialog, guint32 perms)
{
    dialog->priv->selected_perms = perms;
    dialog->priv->selected_role = e2k_permissions_role_find (perms);
    e2k_security_descriptor_set_permissions (dialog->priv->sd,
                         dialog->priv->selected_sid,
                         dialog->priv->selected_perms);

    dialog->priv->changed = TRUE;
}


/* User list functions */

static void
list_view_selection_changed (GtkTreeSelection *selection, gpointer user_data)
{
    ExchangePermissionsDialog *dialog = user_data;
    GtkTreeModel *model;
    GtkTreeIter iter;
    E2kSid *sid;

    if (!gtk_tree_selection_get_selected (selection, &model, &iter))
        return;
    gtk_tree_model_get (model, &iter,
                EXCHANGE_PERMISSIONS_DIALOG_SID_COLUMN, &sid,
                -1);

    dialog->priv->selected_sid = sid;
    dialog->priv->selected_perms =
        e2k_security_descriptor_get_permissions (dialog->priv->sd, sid);
    dialog->priv->selected_role =
        e2k_permissions_role_find (dialog->priv->selected_perms);

    /* "Default" or "Anonymous" can't be a Folder contact, but any
     * real person can.
     */
    gtk_widget_set_sensitive (GTK_WIDGET (dialog->priv->folder_contact_check),
                  e2k_sid_get_sid_type (sid) != E2K_SID_TYPE_WELL_KNOWN_GROUP);

    /* Update role menu and permissions checkboxes */
    display_permissions (dialog);
}

static void
add_user_to_list (ExchangePermissionsDialog *dialog, E2kSid *sid, gboolean select)
{
    guint32 perms;
    E2kPermissionsRole role;
    GtkTreeIter iter;

    perms = e2k_security_descriptor_get_permissions (dialog->priv->sd,
                             sid);
    role = e2k_permissions_role_find (perms);

    if (e2k_sid_get_sid_type (sid) == E2K_SID_TYPE_WELL_KNOWN_GROUP)
        gtk_list_store_insert (dialog->priv->list_store, &iter, 1);
    else
        gtk_list_store_append (dialog->priv->list_store, &iter);

    gtk_list_store_set (dialog->priv->list_store, &iter,
                EXCHANGE_PERMISSIONS_DIALOG_NAME_COLUMN,
                e2k_sid_get_display_name (sid),
                EXCHANGE_PERMISSIONS_DIALOG_ROLE_COLUMN,
                e2k_permissions_role_get_name (role),
                EXCHANGE_PERMISSIONS_DIALOG_SID_COLUMN,
                sid,
                -1);

    if (select)
        gtk_tree_selection_select_iter (dialog->priv->list_selection, &iter);
}

static void
add_clicked (GtkButton *button, gpointer user_data)
{
    ExchangePermissionsDialog *dialog = user_data;
    E2kGlobalCatalog *gc;
    E2kGlobalCatalogStatus status;
    E2kGlobalCatalogEntry *entry;
    E2kSid *sid2;
    GtkTreeIter iter;
    GtkWidget *user_dialog;
    const guint8 *bsid, *bsid2;
    GList *email_list = NULL;
    GList *l = NULL;
    char *email = NULL;
    gboolean valid;
    gint result;

    gc = exchange_account_get_global_catalog (dialog->priv->account);

    if (!gc) {
        e_error_run (GTK_WINDOW (dialog), ERROR_DOMAIN ":acl-no-gcs-error",
                 NULL);
        return;
    }

    user_dialog = e2k_user_dialog_new (GTK_WIDGET (dialog), _("Add User:"), _("Add User"));
    result = gtk_dialog_run (GTK_DIALOG (user_dialog));

    if (result == GTK_RESPONSE_OK)
        email_list = e2k_user_dialog_get_user_list (E2K_USER_DIALOG (user_dialog));
    gtk_widget_destroy (user_dialog);

    if (email_list == NULL)
        return;

    for (l = email_list; l; l = g_list_next (l)) {
        email = l->data;
        status = e2k_global_catalog_lookup (
            gc, NULL, /* FIXME: cancellable */
            E2K_GLOBAL_CATALOG_LOOKUP_BY_EMAIL, email,
            E2K_GLOBAL_CATALOG_LOOKUP_SID, &entry);
        switch (status) {
            case E2K_GLOBAL_CATALOG_OK:
                break;
            case E2K_GLOBAL_CATALOG_NO_SUCH_USER:
                e_error_run (GTK_WINDOW (dialog), ERROR_DOMAIN ":no-user-error", email, NULL);
                break;
            case E2K_GLOBAL_CATALOG_NO_DATA:
                e_error_run (GTK_WINDOW (dialog), ERROR_DOMAIN ":acl-add-error", email, NULL);
                break;
            default:
                e_error_run (GTK_WINDOW (dialog), ERROR_DOMAIN ":perm-unknown-error", email, NULL);
                break;
        }
        if (status != E2K_GLOBAL_CATALOG_OK)
            return;

        /* Make sure the user isn't already there. */
        bsid = e2k_sid_get_binary_sid (entry->sid);
        valid = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (dialog->priv->list_store), &iter);
        while (valid) {
            gtk_tree_model_get (GTK_TREE_MODEL (dialog->priv->list_store), &iter,
                        EXCHANGE_PERMISSIONS_DIALOG_SID_COLUMN, &sid2,
                        -1);
            bsid2 = e2k_sid_get_binary_sid (sid2);
            if (e2k_sid_binary_sid_equal (bsid, bsid2)) {
                e_error_run (GTK_WINDOW (dialog), ERROR_DOMAIN ":perm-existing-error",
                         entry->display_name, NULL);
                e2k_global_catalog_entry_free (gc, entry);
                gtk_tree_selection_select_iter (dialog->priv->list_selection, &iter);
                return;
            }

            valid = gtk_tree_model_iter_next (GTK_TREE_MODEL (dialog->priv->list_store), &iter);
        }

        add_user_to_list (dialog, entry->sid, TRUE);

        /* Calling set_permissions will cause the sd to take a
         * ref on the sid, allowing us to unref it.
         */
        set_permissions (dialog, 0);
        e2k_global_catalog_entry_free (gc, entry);
    }
    g_list_free (email_list);
}

static void
remove_clicked (GtkButton *button, gpointer user_data)
{
    ExchangePermissionsDialog *dialog = user_data;
    E2kSid *sid;
    GdkModifierType modifiers;
    GtkTreeModel *model;
    GtkTreeIter iter;

    if (!gtk_tree_selection_get_selected (dialog->priv->list_selection,
                          &model, &iter))
        return;
    gtk_tree_model_get (model, &iter,
                EXCHANGE_PERMISSIONS_DIALOG_SID_COLUMN, &sid,
                -1);
    gdk_window_get_pointer (NULL, NULL, NULL, &modifiers);

    if (e2k_sid_get_sid_type (sid) == E2K_SID_TYPE_WELL_KNOWN_GROUP &&
        !(modifiers & GDK_SHIFT_MASK)) {
        /* You shouldn't normally delete "Default" or "Anonymous". */
        set_permissions (dialog, 0);
    } else {
        gtk_list_store_remove (dialog->priv->list_store, &iter);
        e2k_security_descriptor_remove_sid (dialog->priv->sd, sid);

        if (!gtk_list_store_iter_is_valid (dialog->priv->list_store, &iter)) {
            /* Select the new last row. Love that API... */
            gtk_tree_model_iter_nth_child (model, &iter, NULL,
                               gtk_tree_model_iter_n_children (model, NULL) - 1);
        }
        gtk_tree_selection_select_iter (dialog->priv->list_selection, &iter);

        dialog->priv->changed = TRUE;
    }
}

static void
setup_user_list (ExchangePermissionsDialog *dialog)
{
    E2kSecurityDescriptor *sd = dialog->priv->sd;
    E2kSid *default_entry;
    GList *sids;

    /* FIXME */
    /* gtk_clist_freeze (dialog->priv->clist); */

    /* Always put "Default" first. */
    default_entry = e2k_security_descriptor_get_default (sd);
    add_user_to_list (dialog, default_entry, TRUE);

    sids = e2k_security_descriptor_get_sids (sd);
    while (sids) {
        if (sids->data != default_entry)
            add_user_to_list (dialog, sids->data, FALSE);
        sids = sids->next;
    }
    g_list_free (sids);

    /* gtk_clist_thaw (dialog->priv->clist); */
}


/* Role option menu functions */

static void
role_changed (GtkWidget *role_combo, gpointer user_data)
{
    ExchangePermissionsDialog *dialog = user_data;
    int role;

    if (dialog->priv->frozen)
        return;

    role = gtk_combo_box_get_active (GTK_COMBO_BOX (role_combo));
    if (role == dialog->priv->selected_role)
        return;
    if (role >= E2K_PERMISSIONS_ROLE_NUM_ROLES) {
        /* The user selected "Custom". Since "Custom" will
         * only be there to select when it's already
         * selected, this is a no-op.
         */
        return;
    }

    set_permissions (dialog, e2k_permissions_role_get_perms (role));
    display_permissions (dialog);
}

static void
display_role (ExchangePermissionsDialog *dialog)
{
    int role = dialog->priv->selected_role;
    GtkTreeModel *model;
    GtkTreeIter iter;

    if (!gtk_tree_selection_get_selected (dialog->priv->list_selection,
                          &model, &iter))
        return;
    gtk_list_store_set (dialog->priv->list_store, &iter,
                EXCHANGE_PERMISSIONS_DIALOG_ROLE_COLUMN,
                e2k_permissions_role_get_name (role),
                -1);

    if (role == E2K_PERMISSIONS_ROLE_CUSTOM) {
        if (dialog->priv->custom_added == FALSE) {
            gtk_combo_box_append_text (GTK_COMBO_BOX (dialog->priv->role_optionmenu), _("Custom"));
            dialog->priv->custom_added = TRUE;
        }
        role = E2K_PERMISSIONS_ROLE_NUM_ROLES;
    }
    else    {
        if (dialog->priv->custom_added) {
            gtk_combo_box_remove_text (GTK_COMBO_BOX (dialog->priv->role_optionmenu), E2K_PERMISSIONS_ROLE_NUM_ROLES);
            dialog->priv->custom_added = FALSE;
        }
    }

    gtk_combo_box_set_active (GTK_COMBO_BOX (dialog->priv->role_optionmenu), role);
}



/* Toggle buttons */
static void
check_toggled (GtkToggleButton *toggle, gpointer user_data)
{
    ExchangePermissionsDialog *dialog = user_data;
    ExchangePermissionsDialogPrivate *priv = dialog->priv;
    guint32 new_perms, value;

    if (dialog->priv->frozen)
        return;

    value = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (toggle), "mapi_permission"));

    if (gtk_toggle_button_get_active (toggle))
        new_perms = priv->selected_perms | value;
    else
        new_perms = priv->selected_perms & ~value;

    if (new_perms == priv->selected_perms)
        return;

    set_permissions (dialog, new_perms);
    display_role (dialog);
}

static void
radio_toggled (GtkToggleButton *toggle, gpointer user_data)
{
    ExchangePermissionsDialog *dialog = user_data;
    ExchangePermissionsDialogPrivate *priv = dialog->priv;
    guint32 new_perms, value, mask;

    if (dialog->priv->frozen || !gtk_toggle_button_get_active (toggle))
        return;

    value = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (toggle), "mapi_permission"));
    mask = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (toggle), "mapi_mask"));

    new_perms = (priv->selected_perms & ~mask) | value;
    if (new_perms == priv->selected_perms)
        return;

    set_permissions (dialog, new_perms);
    display_role (dialog);
}

static void
rv_toggle (GtkToggleButton *toggled, gpointer user_data)
{
    ExchangePermissionsDialog *dialog = user_data;
    GtkToggleButton *visible = dialog->priv->folder_visible_check;
    GtkToggleButton *read = dialog->priv->read_items_check;

    if (dialog->priv->frozen)
        return;

    /* If you turn off "Folder visible", then "Read items" turns
     * off too. Contrariwise, if you turn on "Read items", then
     * "Folder visible" turns on too.
     */
    if (toggled == visible && !gtk_toggle_button_get_active (toggled))
        gtk_toggle_button_set_active (read, FALSE);
    else if (toggled == read && gtk_toggle_button_get_active (toggled))
        gtk_toggle_button_set_active (visible, TRUE);
}

static void
display_permissions (ExchangePermissionsDialog *dialog)
{
    GtkToggleButton *radio;
    guint32 perms = dialog->priv->selected_perms;

    dialog->priv->frozen = TRUE;

    /* Set up check boxes */
    gtk_toggle_button_set_active (dialog->priv->read_items_check,
                      perms & E2K_PERMISSION_READ_ANY);
    gtk_toggle_button_set_active (dialog->priv->create_items_check,
                      perms & E2K_PERMISSION_CREATE);
    gtk_toggle_button_set_active (dialog->priv->create_subfolders_check,
                      perms & E2K_PERMISSION_CREATE_SUBFOLDER);
    gtk_toggle_button_set_active (dialog->priv->folder_owner_check,
                      perms & E2K_PERMISSION_OWNER);
    gtk_toggle_button_set_active (dialog->priv->folder_contact_check,
                      (perms & E2K_PERMISSION_CONTACT) &&
                      GTK_WIDGET_SENSITIVE (dialog->priv->folder_contact_check));
    gtk_toggle_button_set_active (dialog->priv->folder_visible_check,
                      perms & E2K_PERMISSION_FOLDER_VISIBLE);

    /* Set up radio buttons */
    if (perms & E2K_PERMISSION_EDIT_ANY)
        radio = dialog->priv->edit_all_radio;
    else if (perms & E2K_PERMISSION_EDIT_OWNED)
        radio = dialog->priv->edit_own_radio;
    else
        radio = dialog->priv->edit_none_radio;
    gtk_toggle_button_set_active (radio, TRUE);

    if (perms & E2K_PERMISSION_DELETE_ANY)
        radio = dialog->priv->delete_all_radio;
    else if (perms & E2K_PERMISSION_DELETE_OWNED)
        radio = dialog->priv->delete_own_radio;
    else
        radio = dialog->priv->delete_none_radio;
    gtk_toggle_button_set_active (radio, TRUE);

    /* And role menu */
    display_role (dialog);

    dialog->priv->frozen = FALSE;
}



static void
get_widgets (ExchangePermissionsDialog *dialog, GladeXML *xml)
{
    GtkWidget *button;
    GtkTreeViewColumn *column;

#define GET_WIDGET(name, type) dialog->priv->name = type (glade_xml_get_widget (xml, #name))

    GET_WIDGET (list_view, GTK_TREE_VIEW);
    column = gtk_tree_view_column_new_with_attributes (
        _("Name"), gtk_cell_renderer_text_new (),
        "text", EXCHANGE_PERMISSIONS_DIALOG_NAME_COLUMN, NULL);
    gtk_tree_view_append_column (dialog->priv->list_view, column);
    column = gtk_tree_view_column_new_with_attributes (
        _("Role"), gtk_cell_renderer_text_new (),
        "text", EXCHANGE_PERMISSIONS_DIALOG_ROLE_COLUMN, NULL);
    gtk_tree_view_append_column (dialog->priv->list_view, column);

    dialog->priv->list_selection = gtk_tree_view_get_selection (dialog->priv->list_view);
    gtk_tree_selection_set_mode (dialog->priv->list_selection,
                     GTK_SELECTION_SINGLE);
    g_signal_connect (dialog->priv->list_selection, "changed",
              G_CALLBACK (list_view_selection_changed), dialog);

    dialog->priv->list_store = gtk_list_store_new (
        EXCHANGE_PERMISSIONS_DIALOG_NUM_COLUMNS,
        G_TYPE_STRING, G_TYPE_STRING, E2K_TYPE_SID);
    gtk_tree_view_set_model (dialog->priv->list_view,
                 GTK_TREE_MODEL (dialog->priv->list_store));

    button = glade_xml_get_widget (xml, "add_button");
    g_signal_connect (button, "clicked",
              G_CALLBACK (add_clicked), dialog);
    button = glade_xml_get_widget (xml, "remove_button");
    g_signal_connect (button, "clicked",
              G_CALLBACK (remove_clicked), dialog);

    GET_WIDGET (role_optionmenu, GTK_COMBO_BOX);
    g_signal_connect (dialog->priv->role_optionmenu, "changed",
              G_CALLBACK (role_changed), dialog);

    dialog->priv->custom_added = FALSE;

#define GET_TOGGLE(name, value, callback) \
    GET_WIDGET (name, GTK_TOGGLE_BUTTON); \
    g_object_set_data (G_OBJECT (dialog->priv->name), \
               "mapi_permission", \
               GUINT_TO_POINTER (value)); \
    g_signal_connect (dialog->priv->name, "toggled", \
              G_CALLBACK (callback), dialog)

#define GET_CHECK(name, value) \
    GET_TOGGLE (name, value, check_toggled)

#define GET_RADIO(name, value, mask) \
    GET_TOGGLE (name, value, radio_toggled); \
    g_object_set_data (G_OBJECT (dialog->priv->name), \
               "mapi_mask", \
               GUINT_TO_POINTER (mask))

    GET_CHECK (read_items_check, E2K_PERMISSION_READ_ANY);
    GET_CHECK (create_items_check, E2K_PERMISSION_CREATE);
    GET_RADIO (edit_none_radio, 0, E2K_PERMISSION_EDIT_MASK);
    GET_RADIO (delete_none_radio, 0, E2K_PERMISSION_DELETE_MASK);
    GET_RADIO (edit_own_radio, E2K_PERMISSION_EDIT_OWNED, E2K_PERMISSION_EDIT_MASK);
    GET_RADIO (delete_own_radio, E2K_PERMISSION_DELETE_OWNED, E2K_PERMISSION_DELETE_MASK);
    GET_RADIO (edit_all_radio, (E2K_PERMISSION_EDIT_ANY | E2K_PERMISSION_EDIT_OWNED), E2K_PERMISSION_EDIT_MASK);
    GET_RADIO (delete_all_radio, (E2K_PERMISSION_DELETE_ANY | E2K_PERMISSION_DELETE_OWNED), E2K_PERMISSION_DELETE_MASK);
    GET_CHECK (create_subfolders_check, E2K_PERMISSION_CREATE_SUBFOLDER);
    GET_CHECK (folder_owner_check, E2K_PERMISSION_OWNER);
    GET_CHECK (folder_contact_check, E2K_PERMISSION_CONTACT);
    GET_CHECK (folder_visible_check, E2K_PERMISSION_FOLDER_VISIBLE);

    g_signal_connect (dialog->priv->folder_visible_check,
              "toggled", G_CALLBACK (rv_toggle), dialog);
    g_signal_connect (dialog->priv->read_items_check,
              "toggled", G_CALLBACK (rv_toggle), dialog);
}

GtkWidget *exchange_permissions_role_optionmenu_new (char *widget_name, char *string1, char *string2, int int1, int int2);

GtkWidget *
exchange_permissions_role_optionmenu_new (char *widget_name, char *string1, char *string2, int int1, int int2)
{
    GtkWidget *menu;
    const char **roles;
    int role;

    menu = gtk_combo_box_new_text ();
    roles = g_new (const char *, E2K_PERMISSIONS_ROLE_NUM_ROLES + 1);
    for (role = 0; role < E2K_PERMISSIONS_ROLE_NUM_ROLES; role++) {
        roles[role] = e2k_permissions_role_get_name (role);
        gtk_combo_box_append_text (GTK_COMBO_BOX (menu), roles[role]);
    }

    roles[role] = NULL;

    g_free (roles);

    gtk_widget_show (menu);
    return menu;
}