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-rw-r--r--shell/e-shell-user-creatable-items-handler.c432
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diff --git a/shell/e-shell-user-creatable-items-handler.c b/shell/e-shell-user-creatable-items-handler.c
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+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-shell-user-creatable-items-handler.c
+ *
+ * Copyright (C) 2001 Ximian, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * 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.
+ *
+ * Author: Ettore Perazzoli <ettore@ximian.com>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "e-shell-user-creatable-items-handler.h"
+
+#include <gal/util/e-util.h>
+
+#include <bonobo/bonobo-ui-util.h>
+
+#include <stdlib.h>
+#include <ctype.h>
+
+
+#define PARENT_TYPE gtk_object_get_type ()
+static GtkObjectClass *parent_class = NULL;
+
+
+#define VERB_PREFIX "ShellUserCreatableItemVerb"
+
+struct _Component {
+ EvolutionShellComponentClient *component_client;
+
+ GNOME_Evolution_UserCreatableItemTypeList *type_list;
+};
+typedef struct _Component Component;
+
+struct _EShellUserCreatableItemsHandlerPrivate {
+ GSList *components; /* Component */
+
+ char *menu_xml;
+};
+
+
+/* Component struct handling. */
+
+static Component *
+component_new_from_client (EvolutionShellComponentClient *client)
+{
+ CORBA_Environment ev;
+ Component *new;
+ GNOME_Evolution_ShellComponent objref;
+
+ new = g_new (Component, 1);
+
+ new->component_client = client;
+ gtk_object_ref (GTK_OBJECT (client));
+
+ CORBA_exception_init (&ev);
+
+ objref = bonobo_object_corba_objref (BONOBO_OBJECT (client));
+ new->type_list = GNOME_Evolution_ShellComponent__get_user_creatable_item_types (objref, &ev);
+
+ if (ev._major != CORBA_NO_EXCEPTION)
+ new->type_list = NULL;
+
+ CORBA_exception_free (&ev);
+
+ return new;
+}
+
+static void
+component_free (Component *component)
+{
+ gtk_object_unref (GTK_OBJECT (component->component_client));
+ CORBA_free (component->type_list);
+
+ g_free (component);
+}
+
+
+/* Helper functions. */
+
+static char *
+create_verb_from_component_number_and_type_id (int component_num,
+ const char *type_id)
+{
+ return g_strdup_printf (VERB_PREFIX ":%d:%s", component_num, type_id);
+}
+
+
+/* Setting up the XML for the menus. */
+
+struct _MenuItem {
+ const char *label;
+ char shortcut;
+ char *verb;
+};
+typedef struct _MenuItem MenuItem;
+
+static int
+item_types_sort_func (const void *a,
+ const void *b)
+{
+ const MenuItem *item_a;
+ const MenuItem *item_b;
+ const char *p1, *p2;
+
+ item_a = (const MenuItem *) a;
+ item_b = (const MenuItem *) b;
+
+ p1 = item_a->label;
+ p2 = item_b->label;
+
+ while (*p1 != '\0' && *p2 != '\0') {
+ if (*p1 == '_') {
+ p1 ++;
+ continue;
+ }
+
+ if (*p2 == '_') {
+ p2 ++;
+ continue;
+ }
+
+ if (toupper ((int) *p1) < toupper ((int) *p2))
+ return -1;
+ else if (toupper ((int) *p1) > toupper ((int) *p2))
+ return +1;
+
+ p1 ++, p2 ++;
+ }
+
+ if (*p1 == '\0') {
+ if (*p2 == '\0')
+ return 0;
+ else
+ return -1;
+ } else {
+ return +1;
+ }
+
+}
+
+static char *
+create_xml_from_menu_items (GSList *items)
+{
+ GString *xml;
+ GSList *p;
+ char *str;
+
+ xml = g_string_new ("");
+
+ g_string_append (xml, "<Root> <menu> <submenu name=\"File\"> <submenu name=\"New\"> <placeholder name=\"NewItems\">");
+
+ g_string_append (xml, "<separator/> ");
+
+ for (p = items; p != NULL; p = p->next) {
+ const MenuItem *item;
+ char *encoded_label;
+
+ item = (const MenuItem *) p->data;
+
+ encoded_label = bonobo_ui_util_encode_str (item->label);
+
+ g_string_sprintfa (xml, "<menuitem name=\"New:%s\" verb=\"%s\" label=\"%s\"",
+ item->verb, item->verb, encoded_label);
+
+ if (item->shortcut != '\0')
+ g_string_sprintfa (xml, " accel=\"*Control**Shift*%c\"", item->shortcut);
+
+ g_string_append (xml, "/> ");
+
+ g_free (encoded_label);
+ }
+
+ g_string_append (xml, "</placeholder> </submenu> </submenu> </menu> </Root>");
+
+ str = xml->str;
+ g_string_free (xml, FALSE);
+
+ return str;
+}
+
+static void
+setup_menu_xml (EShellUserCreatableItemsHandler *handler)
+{
+ EShellUserCreatableItemsHandlerPrivate *priv;
+ GSList *menu_items;
+ GSList *p;
+ int component_num;
+
+ priv = handler->priv;
+ g_assert (priv->menu_xml == NULL);
+
+ menu_items = NULL;
+ component_num = 0;
+ for (p = priv->components; p != NULL; p = p->next) {
+ const Component *component;
+ int i;
+
+ component = (const Component *) p->data;
+ for (i = 0; i < component->type_list->_length; i ++) {
+ const GNOME_Evolution_UserCreatableItemType *type;
+ MenuItem *item;
+
+ type = (const GNOME_Evolution_UserCreatableItemType *) component->type_list->_buffer + i;
+
+ item = g_new (MenuItem, 1);
+ item->label = type->menuDescription;
+ item->shortcut = type->menuShortcut;
+ item->verb = create_verb_from_component_number_and_type_id (component_num, type->id);
+
+ menu_items = g_slist_prepend (menu_items, item);
+ }
+
+ component_num ++;
+ }
+
+ if (menu_items == NULL) {
+ priv->menu_xml = g_strdup ("");
+ return;
+ }
+
+ menu_items = g_slist_sort (menu_items, item_types_sort_func);
+
+ priv->menu_xml = create_xml_from_menu_items (menu_items);
+
+ for (p = menu_items; p != NULL; p = p->next) {
+ MenuItem *item;
+
+ item = (MenuItem *) p->data;
+ g_free (item->verb);
+ g_free (item);
+ }
+ g_slist_free (menu_items);
+}
+
+
+/* Verb handling. */
+
+static void
+verb_fn (BonoboUIComponent *ui_component,
+ void *data,
+ const char *verb_name)
+{
+ EShellUserCreatableItemsHandler *handler;
+ EShellUserCreatableItemsHandlerPrivate *priv;
+ const Component *component;
+ int component_number;
+ const char *p;
+ const char *id;
+ GSList *component_list_item;
+ int i;
+
+ handler = E_SHELL_USER_CREATABLE_ITEMS_HANDLER (data);
+ priv = handler->priv;
+
+ p = strchr (verb_name, ':');
+ g_assert (p != NULL);
+ component_number = atoi (p + 1);
+
+ p = strchr (p + 1, ':');
+ g_assert (p != NULL);
+ id = p + 1;
+
+ component_list_item = g_slist_nth (priv->components, component_number);
+ g_assert (component_list_item != NULL);
+
+ component = (const Component *) component_list_item->data;
+
+ for (i = 0; i < component->type_list->_length; i ++) {
+ if (strcmp (component->type_list->_buffer[i].id, id) == 0) {
+ CORBA_Environment ev;
+
+ CORBA_exception_init (&ev);
+
+ GNOME_Evolution_ShellComponent_userCreateNewItem
+ (bonobo_object_corba_objref (BONOBO_OBJECT (component->component_client)), id, &ev);
+
+ if (ev._major != CORBA_NO_EXCEPTION)
+ g_warning ("Error in userCreateNewItem -- %s", ev._repo_id);
+
+ CORBA_exception_free (&ev);
+ return;
+ }
+ }
+}
+
+static void
+add_verbs_to_ui_component (EShellUserCreatableItemsHandler *handler,
+ BonoboUIComponent *ui_component)
+{
+ EShellUserCreatableItemsHandlerPrivate *priv;
+ int component_num;
+ GSList *p;
+
+ priv = handler->priv;
+
+ component_num = 0;
+ for (p = priv->components; p != NULL; p = p->next) {
+ const Component *component;
+ int i;
+
+ component = (const Component *) p->data;
+ for (i = 0; i < component->type_list->_length; i ++) {
+ char *verb_name;
+
+ verb_name = create_verb_from_component_number_and_type_id (component_num,
+ component->type_list->_buffer[i].id);
+
+ bonobo_ui_component_add_verb (ui_component, verb_name, verb_fn, handler);
+
+ g_free (verb_name);
+ }
+
+ component_num ++;
+ }
+}
+
+
+/* GtkObject methods. */
+
+static void
+impl_destroy (GtkObject *object)
+{
+ EShellUserCreatableItemsHandler *handler;
+ EShellUserCreatableItemsHandlerPrivate *priv;
+ GSList *p;
+
+ handler = E_SHELL_USER_CREATABLE_ITEMS_HANDLER (object);
+ priv = handler->priv;
+
+ for (p = priv->components; p != NULL; p = p->next)
+ component_free ((Component *) p->data);
+
+ g_slist_free (priv->components);
+
+ g_free (priv->menu_xml);
+
+ g_free (priv);
+
+ (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
+}
+
+
+static void
+class_init (GtkObjectClass *object_class)
+{
+ parent_class = gtk_type_class (PARENT_TYPE);
+
+ object_class->destroy = impl_destroy;
+}
+
+static void
+init (EShellUserCreatableItemsHandler *shell_user_creatable_items_handler)
+{
+ EShellUserCreatableItemsHandlerPrivate *priv;
+
+ priv = g_new (EShellUserCreatableItemsHandlerPrivate, 1);
+ priv->components = NULL;
+ priv->menu_xml = NULL;
+
+ shell_user_creatable_items_handler->priv = priv;
+}
+
+
+EShellUserCreatableItemsHandler *
+e_shell_user_creatable_items_handler_new (void)
+{
+ EShellUserCreatableItemsHandler *new;
+
+ new = gtk_type_new (e_shell_user_creatable_items_handler_get_type ());
+
+ return new;
+}
+
+void
+e_shell_user_creatable_items_handler_add_component (EShellUserCreatableItemsHandler *handler,
+ EvolutionShellComponentClient *shell_component_client)
+{
+ EShellUserCreatableItemsHandlerPrivate *priv;
+
+ g_return_if_fail (handler != NULL);
+ g_return_if_fail (E_IS_SHELL_USER_CREATABLE_ITEMS_HANDLER (handler));
+ g_return_if_fail (shell_component_client != NULL);
+ g_return_if_fail (EVOLUTION_IS_SHELL_COMPONENT_CLIENT (shell_component_client));
+
+ priv = handler->priv;
+ g_return_if_fail (priv->menu_xml == NULL);
+
+ priv->components = g_slist_prepend (priv->components, component_new_from_client (shell_component_client));
+}
+
+void
+e_shell_user_creatable_items_handler_setup_menus (EShellUserCreatableItemsHandler *handler,
+ BonoboUIComponent *ui_component)
+{
+ EShellUserCreatableItemsHandlerPrivate *priv;
+
+ g_return_if_fail (handler != NULL);
+ g_return_if_fail (E_IS_SHELL_USER_CREATABLE_ITEMS_HANDLER (handler));
+ g_return_if_fail (ui_component != NULL);
+ g_return_if_fail (BONOBO_IS_UI_COMPONENT (ui_component));
+
+ priv = handler->priv;
+
+ if (priv->menu_xml == NULL)
+ setup_menu_xml (handler);
+
+ add_verbs_to_ui_component (handler, ui_component);
+
+ bonobo_ui_component_set (ui_component, "/", priv->menu_xml, NULL);
+}
+
+
+E_MAKE_TYPE (e_shell_user_creatable_items_handler,
+ "EShellUserCreatableItemsHandler", EShellUserCreatableItemsHandler,
+ class_init, init, PARENT_TYPE)