diff options
Diffstat (limited to 'widgets/menus/gal-view-instance.c')
| -rw-r--r-- | widgets/menus/gal-view-instance.c | 503 |
1 files changed, 0 insertions, 503 deletions
diff --git a/widgets/menus/gal-view-instance.c b/widgets/menus/gal-view-instance.c deleted file mode 100644 index 97ba252a0b..0000000000 --- a/widgets/menus/gal-view-instance.c +++ /dev/null @@ -1,503 +0,0 @@ -/* - * - * 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: - * Chris Lahey <clahey@ximian.com> - * - * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <ctype.h> -#include <string.h> -#include <errno.h> -#include <unistd.h> -#include <sys/stat.h> - -#include <gtk/gtk.h> -#include <libxml/parser.h> -#include <glib/gstdio.h> -#include <glib/gi18n.h> - -#include <libedataserver/libedataserver.h> - -#include "e-util/e-util.h" -#include "libevolution-utils/e-xml-utils.h" -#include "e-util/e-unicode.h" - -#include "gal-define-views-dialog.h" -#include "gal-view-instance.h" -#include "gal-view-instance-save-as-dialog.h" - -G_DEFINE_TYPE (GalViewInstance, gal_view_instance, G_TYPE_OBJECT) - -#define d(x) - -enum { - DISPLAY_VIEW, - CHANGED, - LOADED, - LAST_SIGNAL -}; - -static guint gal_view_instance_signals[LAST_SIGNAL] = { 0, }; - -static void -gal_view_instance_changed (GalViewInstance *instance) -{ - g_return_if_fail (instance != NULL); - g_return_if_fail (GAL_IS_VIEW_INSTANCE (instance)); - - g_signal_emit ( - instance, - gal_view_instance_signals[CHANGED], 0); -} - -static void -gal_view_instance_display_view (GalViewInstance *instance, - GalView *view) -{ - g_return_if_fail (instance != NULL); - g_return_if_fail (GAL_IS_VIEW_INSTANCE (instance)); - - g_signal_emit ( - instance, - gal_view_instance_signals[DISPLAY_VIEW], 0, - view); -} - -static void -save_current_view (GalViewInstance *instance) -{ - xmlDoc *doc; - xmlNode *root; - - doc = xmlNewDoc ((const guchar *)"1.0"); - root = xmlNewNode (NULL, (const guchar *)"GalViewCurrentView"); - xmlDocSetRootElement (doc, root); - - if (instance->current_id) - e_xml_set_string_prop_by_name (root, (const guchar *)"current_view", instance->current_id); - if (instance->current_type) - e_xml_set_string_prop_by_name (root, (const guchar *)"current_view_type", instance->current_type); - - if (e_xml_save_file (instance->current_view_filename, doc) == -1) - g_warning ("Unable to save view to %s - %s", instance->current_view_filename, g_strerror (errno)); - xmlFreeDoc (doc); -} - -static void -view_changed (GalView *view, - GalViewInstance *instance) -{ - if (instance->current_id != NULL) { - g_free (instance->current_id); - instance->current_id = NULL; - save_current_view (instance); - gal_view_instance_changed (instance); - } - - gal_view_save (view, instance->custom_filename); -} - -static void -disconnect_view (GalViewInstance *instance) -{ - if (instance->current_view) { - if (instance->view_changed_id) { - g_signal_handler_disconnect ( - instance->current_view, - instance->view_changed_id); - } - - g_object_unref (instance->current_view); - } - g_free (instance->current_type); - g_free (instance->current_title); - instance->current_title = NULL; - instance->current_type = NULL; - instance->view_changed_id = 0; - instance->current_view = NULL; -} - -static void -connect_view (GalViewInstance *instance, - GalView *view) -{ - if (instance->current_view) - disconnect_view (instance); - instance->current_view = view; - - instance->current_title = g_strdup (gal_view_get_title (view)); - instance->current_type = g_strdup (gal_view_get_type_code (view)); - instance->view_changed_id = g_signal_connect ( - instance->current_view, "changed", - G_CALLBACK (view_changed), instance); - - gal_view_instance_display_view (instance, instance->current_view); -} - -static void -gal_view_instance_dispose (GObject *object) -{ - GalViewInstance *instance = GAL_VIEW_INSTANCE (object); - - if (instance->collection) { - if (instance->collection_changed_id) { - g_signal_handler_disconnect ( - instance->collection, - instance->collection_changed_id); - } - g_object_unref (instance->collection); - } - - g_free (instance->instance_id); - g_free (instance->custom_filename); - g_free (instance->current_view_filename); - - g_free (instance->current_id); - disconnect_view (instance); - - g_free (instance->default_view); - - /* Chain up to parent's dispose() method. */ - G_OBJECT_CLASS (gal_view_instance_parent_class)->dispose (object); -} - -static void -gal_view_instance_class_init (GalViewInstanceClass *class) -{ - GObjectClass *object_class = G_OBJECT_CLASS (class); - - object_class->dispose = gal_view_instance_dispose; - - gal_view_instance_signals[DISPLAY_VIEW] = g_signal_new ( - "display_view", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GalViewInstanceClass, display_view), - NULL, NULL, - g_cclosure_marshal_VOID__OBJECT, - G_TYPE_NONE, 1, - GAL_TYPE_VIEW); - - gal_view_instance_signals[CHANGED] = g_signal_new ( - "changed", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GalViewInstanceClass, changed), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); - - gal_view_instance_signals[LOADED] = g_signal_new ( - "loaded", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_FIRST, - G_STRUCT_OFFSET (GalViewInstanceClass, loaded), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); - - class->display_view = NULL; - class->changed = NULL; -} - -static void -gal_view_instance_init (GalViewInstance *instance) -{ - instance->collection = NULL; - - instance->instance_id = NULL; - instance->custom_filename = NULL; - instance->current_view_filename = NULL; - - instance->current_title = NULL; - instance->current_type = NULL; - instance->current_id = NULL; - instance->current_view = NULL; - - instance->view_changed_id = 0; - instance->collection_changed_id = 0; - - instance->loaded = FALSE; - instance->default_view = NULL; -} - -static void -collection_changed (GalView *view, - GalViewInstance *instance) -{ - if (instance->current_id) { - gchar *view_id = instance->current_id; - instance->current_id = NULL; - gal_view_instance_set_current_view_id (instance, view_id); - g_free (view_id); - } -} - -static void -load_current_view (GalViewInstance *instance) -{ - xmlDoc *doc = NULL; - xmlNode *root; - GalView *view = NULL; - - if (g_file_test (instance->current_view_filename, G_FILE_TEST_IS_REGULAR)) { -#ifdef G_OS_WIN32 - gchar *locale_filename = g_win32_locale_filename_from_utf8 (instance->current_view_filename); - if (locale_filename != NULL) - doc = xmlParseFile (locale_filename); - g_free (locale_filename); -#else - doc = xmlParseFile (instance->current_view_filename); -#endif - } - - if (doc == NULL) { - instance->current_id = g_strdup (gal_view_instance_get_default_view (instance)); - - if (instance->current_id) { - gint index = gal_view_collection_get_view_index_by_id ( - instance->collection, - instance->current_id); - - if (index != -1) { - view = gal_view_collection_get_view ( - instance->collection, index); - view = gal_view_clone (view); - connect_view (instance, view); - } - } - return; - } - - root = xmlDocGetRootElement (doc); - instance->current_id = e_xml_get_string_prop_by_name_with_default (root, (const guchar *)"current_view", NULL); - - if (instance->current_id != NULL) { - gint index = gal_view_collection_get_view_index_by_id ( - instance->collection, - instance->current_id); - - if (index != -1) { - view = gal_view_collection_get_view ( - instance->collection, index); - view = gal_view_clone (view); - } - } - if (view == NULL) { - gchar *type; - type = e_xml_get_string_prop_by_name_with_default (root, (const guchar *)"current_view_type", NULL); - view = gal_view_collection_load_view_from_file ( - instance->collection, type, - instance->custom_filename); - g_free (type); - } - - connect_view (instance, view); - - xmlFreeDoc (doc); -} - -/** - * gal_view_instance_new: - * @collection: This %GalViewCollection should be loaded before being passed to this function. - * @instance_id: Which instance of this type of object is this (for most of evo, this is the folder id.) - * - * Create a new %GalViewInstance. - * - * Return value: The new %GalViewInstance. - **/ -GalViewInstance * -gal_view_instance_new (GalViewCollection *collection, - const gchar *instance_id) -{ - GalViewInstance *instance = g_object_new (GAL_VIEW_INSTANCE_TYPE, NULL); - if (gal_view_instance_construct (instance, collection, instance_id)) - return instance; - else { - g_object_unref (instance); - return NULL; - } -} - -GalViewInstance * -gal_view_instance_construct (GalViewInstance *instance, - GalViewCollection *collection, - const gchar *instance_id) -{ - gchar *filename; - gchar *safe_id; - - g_return_val_if_fail (gal_view_collection_loaded (collection), NULL); - - instance->collection = collection; - if (collection) - g_object_ref (collection); - instance->collection_changed_id = g_signal_connect ( - collection, "changed", - G_CALLBACK (collection_changed), instance); - - if (instance_id) - instance->instance_id = g_strdup (instance_id); - else - instance->instance_id = g_strdup (""); - - safe_id = g_strdup (instance->instance_id); - e_filename_make_safe (safe_id); - - filename = g_strdup_printf ("custom_view-%s.xml", safe_id); - instance->custom_filename = g_build_filename (instance->collection->local_dir, filename, NULL); - g_free (filename); - - filename = g_strdup_printf ("current_view-%s.xml", safe_id); - instance->current_view_filename = g_build_filename (instance->collection->local_dir, filename, NULL); - g_free (filename); - - g_free (safe_id); - - return instance; -} - -/* Manipulate the current view. */ -gchar * -gal_view_instance_get_current_view_id (GalViewInstance *instance) -{ - if (instance->current_id && gal_view_collection_get_view_index_by_id (instance->collection, instance->current_id) != -1) - return g_strdup (instance->current_id); - else - return NULL; -} - -void -gal_view_instance_set_current_view_id (GalViewInstance *instance, - const gchar *view_id) -{ - GalView *view; - gint index; - - g_return_if_fail (instance != NULL); - g_return_if_fail (GAL_IS_VIEW_INSTANCE (instance)); - - d (g_print ("%s: view_id set to %s\n", G_STRFUNC, view_id)); - - if (instance->current_id && !strcmp (instance->current_id, view_id)) - return; - - g_free (instance->current_id); - instance->current_id = g_strdup (view_id); - - index = gal_view_collection_get_view_index_by_id (instance->collection, view_id); - if (index != -1) { - view = gal_view_collection_get_view (instance->collection, index); - connect_view (instance, gal_view_clone (view)); - } - - if (instance->loaded) - save_current_view (instance); - gal_view_instance_changed (instance); -} - -GalView * -gal_view_instance_get_current_view (GalViewInstance *instance) -{ - return instance->current_view; -} - -void -gal_view_instance_set_custom_view (GalViewInstance *instance, - GalView *view) -{ - g_free (instance->current_id); - instance->current_id = NULL; - - view = gal_view_clone (view); - connect_view (instance, view); - gal_view_save (view, instance->custom_filename); - save_current_view (instance); - gal_view_instance_changed (instance); -} - -static void -dialog_response (GtkWidget *dialog, - gint id, - GalViewInstance *instance) -{ - if (id == GTK_RESPONSE_OK) { - gal_view_instance_save_as_dialog_save (GAL_VIEW_INSTANCE_SAVE_AS_DIALOG (dialog)); - } - gtk_widget_destroy (dialog); -} - -void -gal_view_instance_save_as (GalViewInstance *instance) -{ - GtkWidget *dialog; - - g_return_if_fail (instance != NULL); - - dialog = gal_view_instance_save_as_dialog_new (instance); - g_signal_connect ( - dialog, "response", - G_CALLBACK (dialog_response), instance); - gtk_widget_show (dialog); -} - -/* This is idempotent. Once it's been called once, the rest of the calls are ignored. */ -void -gal_view_instance_load (GalViewInstance *instance) -{ - if (!instance->loaded) { - load_current_view (instance); - instance->loaded = TRUE; - g_signal_emit (instance, gal_view_instance_signals[LOADED], 0); - } -} - -/* These only mean anything before gal_view_instance_load is called the first time. */ -const gchar * -gal_view_instance_get_default_view (GalViewInstance *instance) -{ - if (instance->default_view) - return instance->default_view; - else - return gal_view_collection_get_default_view (instance->collection); -} - -void -gal_view_instance_set_default_view (GalViewInstance *instance, - const gchar *id) -{ - g_free (instance->default_view); - instance->default_view = g_strdup (id); -} - -gboolean -gal_view_instance_exists (GalViewInstance *instance) -{ - struct stat st; - - if (instance->current_view_filename && g_stat (instance->current_view_filename, &st) == 0 && st.st_size > 0 && S_ISREG (st.st_mode)) - return TRUE; - else - return FALSE; - -} |