diff options
Diffstat (limited to 'widgets/menus/gal-view-collection.c')
| -rw-r--r-- | widgets/menus/gal-view-collection.c | 823 |
1 files changed, 0 insertions, 823 deletions
diff --git a/widgets/menus/gal-view-collection.c b/widgets/menus/gal-view-collection.c deleted file mode 100644 index 5e97419270..0000000000 --- a/widgets/menus/gal-view-collection.c +++ /dev/null @@ -1,823 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * gal-view-collection.c - * Copyright 2000, 2001, Ximian, Inc. - * - * Authors: - * Chris Lahey <clahey@ximian.com> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License, version 2, as published by the Free Software Foundation. - * - * This library 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 - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - * 02111-1307, USA. - */ - -#include <config.h> - -#include <util/e-i18n.h> -#include <sys/stat.h> -#include <ctype.h> -#include <string.h> -#include <errno.h> -#include <libxml/parser.h> -#include <libgnome/gnome-util.h> -#include <gal/util/e-util.h> -#include <gal/util/e-xml-utils.h> -#include <gal/widgets/e-unicode.h> -#include "gal-view-collection.h" - -#define PARENT_TYPE G_TYPE_OBJECT - -static GObjectClass *gal_view_collection_parent_class; - -#define d(x) - -enum { - DISPLAY_VIEW, - CHANGED, - LAST_SIGNAL -}; - -static guint gal_view_collection_signals [LAST_SIGNAL] = { 0, }; - -/** - * gal_view_collection_display_view: - * @collection: The GalViewCollection to send the signal on. - * @view: The view to display. - * - */ -void -gal_view_collection_display_view (GalViewCollection *collection, - GalView *view) -{ - g_return_if_fail (collection != NULL); - g_return_if_fail (GAL_IS_VIEW_COLLECTION (collection)); - g_return_if_fail (view != NULL); - g_return_if_fail (GAL_IS_VIEW (view)); - - g_signal_emit (collection, - gal_view_collection_signals [DISPLAY_VIEW], 0, - view); -} - -static void -gal_view_collection_changed (GalViewCollection *collection) -{ - g_return_if_fail (collection != NULL); - g_return_if_fail (GAL_IS_VIEW_COLLECTION (collection)); - - g_signal_emit (collection, - gal_view_collection_signals [CHANGED], 0); -} - -static void -gal_view_collection_item_free (GalViewCollectionItem *item) -{ - g_free(item->id); - if (item->view) { - if (item->view_changed_id) - g_signal_handler_disconnect (item->view, - item->view_changed_id); - g_object_unref(item->view); - } - g_free(item); -} - -static char * -gal_view_generate_string (GalViewCollection *collection, - GalView *view, - int which) -{ - char *ret_val; - char *pointer; - - if (which == 1) - ret_val = g_strdup(gal_view_get_title(view)); - else - ret_val = g_strdup_printf("%s_%d", gal_view_get_title(view), which); - for (pointer = ret_val; *pointer; pointer++) { - if (!isalnum((guint) *pointer)) { - *pointer = '_'; - } - } - return ret_val; -} - -static gint -gal_view_check_string (GalViewCollection *collection, - char *string) -{ - int i; - - if (!strcmp (string, "current_view")) - return FALSE; - - for (i = 0; i < collection->view_count; i++) { - if (!strcmp(string, collection->view_data[i]->id)) - return FALSE; - } - for (i = 0; i < collection->removed_view_count; i++) { - if (!strcmp(string, collection->removed_view_data[i]->id)) - return FALSE; - } - return TRUE; -} - -static char * -gal_view_generate_id (GalViewCollection *collection, - GalView *view) -{ - int i; - for (i = 1; TRUE; i++) { - char *try; - - try = gal_view_generate_string(collection, view, i); - if (gal_view_check_string(collection, try)) - return try; - g_free(try); - } -} - -static void -gal_view_collection_dispose (GObject *object) -{ - GalViewCollection *collection = GAL_VIEW_COLLECTION(object); - int i; - - for (i = 0; i < collection->view_count; i++) { - gal_view_collection_item_free (collection->view_data[i]); - } - g_free (collection->view_data); - collection->view_data = NULL; - collection->view_count = 0; - - e_free_object_list (collection->factory_list); - collection->factory_list = NULL; - - for (i = 0; i < collection->removed_view_count; i++) { - gal_view_collection_item_free (collection->removed_view_data[i]); - } - g_free(collection->removed_view_data); - collection->removed_view_data = NULL; - collection->removed_view_count = 0; - - g_free(collection->system_dir); - collection->system_dir = NULL; - - g_free(collection->local_dir); - collection->system_dir = NULL; - collection->local_dir = NULL; - - g_free (collection->default_view); - collection->default_view = NULL; - - g_free (collection->title); - collection->title = NULL; - - if (gal_view_collection_parent_class->dispose) - (*gal_view_collection_parent_class->dispose)(object); -} - -static void -gal_view_collection_class_init (GObjectClass *object_class) -{ - GalViewCollectionClass *klass = GAL_VIEW_COLLECTION_CLASS(object_class); - gal_view_collection_parent_class = g_type_class_ref (PARENT_TYPE); - - object_class->dispose = gal_view_collection_dispose; - - gal_view_collection_signals [DISPLAY_VIEW] = - g_signal_new ("display_view", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GalViewCollectionClass, display_view), - NULL, NULL, - g_cclosure_marshal_VOID__OBJECT, - G_TYPE_NONE, 1, GAL_VIEW_TYPE); - - gal_view_collection_signals [CHANGED] = - g_signal_new ("changed", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GalViewCollectionClass, changed), - NULL, NULL, - g_cclosure_marshal_VOID__VOID, - G_TYPE_NONE, 0); - - klass->display_view = NULL; - klass->changed = NULL; -} - -static void -gal_view_collection_init (GalViewCollection *collection) -{ - collection->view_data = NULL; - collection->view_count = 0; - collection->factory_list = NULL; - - collection->removed_view_data = NULL; - collection->removed_view_count = 0; - - collection->system_dir = NULL; - collection->local_dir = NULL; - - collection->loaded = FALSE; - collection->default_view = NULL; - collection->default_view_built_in = TRUE; - - collection->title = NULL; -} - -E_MAKE_TYPE(gal_view_collection, "GalViewCollection", GalViewCollection, gal_view_collection_class_init, gal_view_collection_init, PARENT_TYPE) - -/** - * gal_view_collection_new: - * - * A collection of views and view factories. - */ -GalViewCollection * -gal_view_collection_new (void) -{ - return g_object_new (GAL_VIEW_COLLECTION_TYPE, NULL); -} - -void -gal_view_collection_set_title (GalViewCollection *collection, - const char *title) -{ - g_free (collection->title); - collection->title = g_strdup (title); -} - -/** - * gal_view_collection_set_storage_directories - * @collection: The view collection to initialize - * @system_dir: The location of the system built in views - * @local_dir: The location to store the users set up views - * - * Sets up the GalViewCollection. - */ -void -gal_view_collection_set_storage_directories (GalViewCollection *collection, - const char *system_dir, - const char *local_dir) -{ - g_return_if_fail (collection != NULL); - g_return_if_fail (GAL_IS_VIEW_COLLECTION (collection)); - g_return_if_fail (system_dir != NULL); - g_return_if_fail (local_dir != NULL); - - g_free(collection->system_dir); - g_free(collection->local_dir); - - collection->system_dir = g_strdup(system_dir); - collection->local_dir = g_strdup(local_dir); -} - -/** - * gal_view_collection_add_factory - * @collection: The view collection to add a factory to - * @factory: The factory to add. The @collection will add a reference - * to the factory object, so you should unref it after calling this - * function if you no longer need it. - * - * Adds the given factory to this collection. This list is used both - * when loading views from their xml description as well as when the - * user tries to create a new view. - */ -void -gal_view_collection_add_factory (GalViewCollection *collection, - GalViewFactory *factory) -{ - g_return_if_fail (collection != NULL); - g_return_if_fail (GAL_IS_VIEW_COLLECTION (collection)); - g_return_if_fail (factory != NULL); - g_return_if_fail (GAL_IS_VIEW_FACTORY (factory)); - - g_object_ref (factory); - collection->factory_list = g_list_prepend (collection->factory_list, factory); -} - -static void -view_changed (GalView *view, - GalViewCollectionItem *item) -{ - item->changed = TRUE; - item->ever_changed = TRUE; - - g_signal_handler_block(G_OBJECT(item->view), item->view_changed_id); - gal_view_collection_changed(item->collection); - g_signal_handler_unblock(G_OBJECT(item->view), item->view_changed_id); -} - -/* Use factory list to load a GalView file. */ -static GalView * -gal_view_collection_real_load_view_from_file (GalViewCollection *collection, const char *type, const char *title, const char *dir, const char *filename) -{ - GalViewFactory *factory; - GList *factories; - - factory = NULL; - for (factories = collection->factory_list; factories; factories = factories->next) { - if (type && !strcmp(gal_view_factory_get_type_code(factories->data), type)) { - factory = factories->data; - break; - } - } - if (factory) { - GalView *view; - - view = gal_view_factory_new_view (factory, title); - gal_view_set_title (view, title); - gal_view_load(view, filename); - return view; - } - return NULL; -} - -GalView * -gal_view_collection_load_view_from_file (GalViewCollection *collection, const char *type, const char *filename) -{ - return gal_view_collection_real_load_view_from_file (collection, type, "", collection->local_dir, filename); -} - -static GalViewCollectionItem * -load_single_file (GalViewCollection *collection, - gchar *dir, - gboolean local, - xmlNode *node) -{ - GalViewCollectionItem *item; - item = g_new(GalViewCollectionItem, 1); - item->ever_changed = local; - item->changed = FALSE; - item->built_in = !local; - item->id = e_xml_get_string_prop_by_name(node, "id"); - item->filename = e_xml_get_string_prop_by_name(node, "filename"); - item->title = e_xml_get_translated_utf8_string_prop_by_name(node, "title"); - item->type = e_xml_get_string_prop_by_name(node, "type"); - item->collection = collection; - item->view_changed_id = 0; - - if (item->filename) { - char *fullpath; - fullpath = g_concat_dir_and_file(dir, item->filename); - item->view = gal_view_collection_real_load_view_from_file (collection, item->type, item->title, dir, fullpath); - g_free(fullpath); - if (item->view) { - item->view_changed_id = - g_signal_connect(item->view, "changed", - G_CALLBACK(view_changed), item); - } - } - return item; -} - -static void -load_single_dir (GalViewCollection *collection, - char *dir, - gboolean local) -{ - xmlDoc *doc = NULL; - xmlNode *root; - xmlNode *child; - char *filename = g_concat_dir_and_file(dir, "galview.xml"); - char *default_view; - struct stat st; - - if (stat (filename, &st) != -1 && S_ISREG (st.st_mode)) - doc = xmlParseFile (filename); - - if (!doc) { - g_free (filename); - return; - } - root = xmlDocGetRootElement(doc); - for (child = root->xmlChildrenNode; child; child = child->next) { - gchar *id; - gboolean found = FALSE; - int i; - - if (!strcmp (child->name, "text")) - continue; - - id = e_xml_get_string_prop_by_name(child, "id"); - for (i = 0; i < collection->view_count; i++) { - if (!strcmp(id, collection->view_data[i]->id)) { - if (!local) - collection->view_data[i]->built_in = TRUE; - found = TRUE; - break; - } - } - if (!found) { - for (i = 0; i < collection->removed_view_count; i++) { - if (!strcmp(id, collection->removed_view_data[i]->id)) { - if (!local) - collection->removed_view_data[i]->built_in = TRUE; - found = TRUE; - break; - } - } - } - - if (!found) { - GalViewCollectionItem *item = load_single_file (collection, dir, local, child); - if (item->filename && *item->filename) { - collection->view_data = g_renew(GalViewCollectionItem *, collection->view_data, collection->view_count + 1); - collection->view_data[collection->view_count] = item; - collection->view_count ++; - } else { - collection->removed_view_data = g_renew(GalViewCollectionItem *, collection->removed_view_data, collection->removed_view_count + 1); - collection->removed_view_data[collection->removed_view_count] = item; - collection->removed_view_count ++; - } - } - g_free(id); - } - - default_view = e_xml_get_string_prop_by_name (root, "default-view"); - if (default_view) { - if (local) - collection->default_view_built_in = FALSE; - else - collection->default_view_built_in = TRUE; - g_free (collection->default_view); - collection->default_view = default_view; - } - - g_free(filename); - xmlFreeDoc(doc); -} - -/** - * gal_view_collection_load - * @collection: The view collection to load information for - * - * Loads the data from the system and user directories specified in - * set storage directories. This is primarily for internal use by - * other parts of gal_view. - */ -void -gal_view_collection_load (GalViewCollection *collection) -{ - g_return_if_fail (collection != NULL); - g_return_if_fail (GAL_IS_VIEW_COLLECTION (collection)); - g_return_if_fail (collection->local_dir != NULL); - g_return_if_fail (collection->system_dir != NULL); - g_return_if_fail (!collection->loaded); - - if ((e_create_directory(collection->local_dir) == -1) && (errno != EEXIST)) - g_warning ("Unable to create dir %s: %s", collection->local_dir, g_strerror(errno)); - - load_single_dir(collection, collection->local_dir, TRUE); - load_single_dir(collection, collection->system_dir, FALSE); - gal_view_collection_changed(collection); - - collection->loaded = TRUE; -} - -/** - * gal_view_collection_save - * @collection: The view collection to save information for - * - * Saves the data to the user directory specified in set storage - * directories. This is primarily for internal use by other parts of - * gal_view. - */ -void -gal_view_collection_save (GalViewCollection *collection) -{ - int i; - xmlDoc *doc; - xmlNode *root; - char *filename; - - g_return_if_fail (collection != NULL); - g_return_if_fail (GAL_IS_VIEW_COLLECTION (collection)); - g_return_if_fail (collection->local_dir != NULL); - - doc = xmlNewDoc("1.0"); - root = xmlNewNode(NULL, "GalViewCollection"); - xmlDocSetRootElement(doc, root); - - if (collection->default_view && !collection->default_view_built_in) { - e_xml_set_string_prop_by_name(root, "default-view", collection->default_view); - } - - for (i = 0; i < collection->view_count; i++) { - xmlNode *child; - GalViewCollectionItem *item; - - item = collection->view_data[i]; - if (item->ever_changed) { - child = xmlNewChild(root, NULL, "GalView", NULL); - e_xml_set_string_prop_by_name(child, "id", item->id); - e_xml_set_string_prop_by_name(child, "title", item->title); - e_xml_set_string_prop_by_name(child, "filename", item->filename); - e_xml_set_string_prop_by_name(child, "type", item->type); - - if (item->changed) { - filename = g_concat_dir_and_file(collection->local_dir, item->filename); - gal_view_save(item->view, filename); - g_free(filename); - } - } - } - for (i = 0; i < collection->removed_view_count; i++) { - xmlNode *child; - GalViewCollectionItem *item; - - item = collection->removed_view_data[i]; - - child = xmlNewChild(root, NULL, "GalView", NULL); - e_xml_set_string_prop_by_name(child, "id", item->id); - e_xml_set_string_prop_by_name(child, "title", item->title); - e_xml_set_string_prop_by_name(child, "type", item->type); - } - filename = g_concat_dir_and_file(collection->local_dir, "galview.xml"); - if (e_xml_save_file (filename, doc) == -1) - g_warning ("Unable to save view to %s - %s", filename, g_strerror(errno)); - xmlFreeDoc(doc); - g_free(filename); -} - -/** - * gal_view_collection_get_count - * @collection: The view collection to count - * - * Calculates the number of views in the given collection. - * - * Returns: The number of views in the collection. - */ -gint -gal_view_collection_get_count (GalViewCollection *collection) -{ - g_return_val_if_fail (collection != NULL, -1); - g_return_val_if_fail (GAL_IS_VIEW_COLLECTION (collection), -1); - - return collection->view_count; -} - -/** - * gal_view_collection_get_view - * @collection: The view collection to query - * @n: The view to get. - * - * Returns: The nth view in the collection - */ -GalView * -gal_view_collection_get_view (GalViewCollection *collection, - int n) -{ - g_return_val_if_fail (collection != NULL, NULL); - g_return_val_if_fail (GAL_IS_VIEW_COLLECTION (collection), NULL); - g_return_val_if_fail (n < collection->view_count, NULL); - g_return_val_if_fail (n >= 0, NULL); - - return collection->view_data[n]->view; -} - -/** - * gal_view_collection_get_view_item - * @collection: The view collection to query - * @n: The view item to get. - * - * Returns: The nth view item in the collection - */ -GalViewCollectionItem * -gal_view_collection_get_view_item (GalViewCollection *collection, - int n) -{ - g_return_val_if_fail (collection != NULL, NULL); - g_return_val_if_fail (GAL_IS_VIEW_COLLECTION (collection), NULL); - g_return_val_if_fail(n < collection->view_count, NULL); - g_return_val_if_fail(n >= 0, NULL); - - return collection->view_data[n]; -} - -int -gal_view_collection_get_view_index_by_id (GalViewCollection *collection, const char *view_id) -{ - int i; - for (i = 0; i < collection->view_count; i++) { - if (!strcmp (collection->view_data[i]->id, view_id)) - return i; - } - return -1; -} - -char * -gal_view_collection_get_view_id_by_index (GalViewCollection *collection, int n) -{ - g_return_val_if_fail (collection != NULL, NULL); - g_return_val_if_fail (GAL_IS_VIEW_COLLECTION (collection), NULL); - g_return_val_if_fail(n < collection->view_count, NULL); - g_return_val_if_fail(n >= 0, NULL); - - return g_strdup (collection->view_data[n]->id); -} - - -void -gal_view_collection_append (GalViewCollection *collection, - GalView *view) -{ - GalViewCollectionItem *item; - - g_return_if_fail (collection != NULL); - g_return_if_fail (GAL_IS_VIEW_COLLECTION (collection)); - g_return_if_fail (view != NULL); - g_return_if_fail (GAL_IS_VIEW (view)); - - item = g_new(GalViewCollectionItem, 1); - item->ever_changed = TRUE; - item->changed = TRUE; - item->built_in = FALSE; - item->title = g_strdup(gal_view_get_title(view)); - item->type = g_strdup(gal_view_get_type_code(view)); - item->id = gal_view_generate_id(collection, view); - item->filename = g_strdup_printf("%s.galview", item->id); - item->view = view; - item->collection = collection; - g_object_ref(view); - - item->view_changed_id = - g_signal_connect(item->view, "changed", - G_CALLBACK (view_changed), item); - - collection->view_data = g_renew(GalViewCollectionItem *, collection->view_data, collection->view_count + 1); - collection->view_data[collection->view_count] = item; - collection->view_count ++; - - gal_view_collection_changed(collection); -} - -void -gal_view_collection_delete_view (GalViewCollection *collection, - int i) -{ - GalViewCollectionItem *item; - - g_return_if_fail (collection != NULL); - g_return_if_fail (GAL_IS_VIEW_COLLECTION (collection)); - g_return_if_fail (i >= 0 && i < collection->view_count); - - item = collection->view_data[i]; - memmove(collection->view_data + i, collection->view_data + i + 1, (collection->view_count - i - 1) * sizeof(GalViewCollectionItem *)); - collection->view_count --; - if (item->built_in) { - g_free(item->filename); - item->filename = NULL; - - collection->removed_view_data = g_renew(GalViewCollectionItem *, collection->removed_view_data, collection->removed_view_count + 1); - collection->removed_view_data[collection->removed_view_count] = item; - collection->removed_view_count ++; - } else { - gal_view_collection_item_free (item); - } - - gal_view_collection_changed(collection); -} - -void -gal_view_collection_copy_view (GalViewCollection *collection, - int i) -{ - GalViewCollectionItem *item; - GalView *view; - - g_return_if_fail (collection != NULL); - g_return_if_fail (GAL_IS_VIEW_COLLECTION (collection)); - g_return_if_fail (i >= 0 && i < collection->view_count); - - view = collection->view_data[i]->view; - - item = g_new(GalViewCollectionItem, 1); - item->ever_changed = TRUE; - item->changed = FALSE; - item->built_in = FALSE; - item->title = g_strdup(gal_view_get_title(view)); - item->type = g_strdup(gal_view_get_type_code(view)); - item->id = gal_view_generate_id(collection, view); - item->filename = g_strdup_printf("%s.galview", item->id); - item->view = gal_view_clone(view); - item->collection = collection; - - item->view_changed_id = - g_signal_connect(item->view, "changed", - G_CALLBACK (view_changed), item); - - collection->view_data = g_renew(GalViewCollectionItem *, collection->view_data, collection->view_count + 1); - collection->view_data[collection->view_count] = item; - collection->view_count ++; - - gal_view_collection_changed(collection); -} - -gboolean -gal_view_collection_loaded (GalViewCollection *collection) -{ - return collection->loaded; -} - -const char * -gal_view_collection_append_with_title (GalViewCollection *collection, const char *title, GalView *view) -{ - GalViewCollectionItem *item; - - g_return_val_if_fail (collection != NULL, NULL); - g_return_val_if_fail (GAL_IS_VIEW_COLLECTION (collection), NULL); - g_return_val_if_fail (view != NULL, NULL); - g_return_val_if_fail (GAL_IS_VIEW (view), NULL); - - gal_view_set_title (view, title); - - d(g_print("%s: %p\n", G_GNUC_FUNCTION, view)); - - item = g_new(GalViewCollectionItem, 1); - item->ever_changed = TRUE; - item->changed = TRUE; - item->built_in = FALSE; - item->title = g_strdup(gal_view_get_title(view)); - item->type = g_strdup(gal_view_get_type_code(view)); - item->id = gal_view_generate_id(collection, view); - item->filename = g_strdup_printf("%s.galview", item->id); - item->view = view; - item->collection = collection; - g_object_ref(view); - - item->view_changed_id = - g_signal_connect(item->view, "changed", - G_CALLBACK (view_changed), item); - - collection->view_data = g_renew(GalViewCollectionItem *, collection->view_data, collection->view_count + 1); - collection->view_data[collection->view_count] = item; - collection->view_count ++; - - gal_view_collection_changed(collection); - return item->id; -} - -const char * -gal_view_collection_set_nth_view (GalViewCollection *collection, int i, GalView *view) -{ - GalViewCollectionItem *item; - - g_return_val_if_fail (collection != NULL, NULL); - g_return_val_if_fail (GAL_IS_VIEW_COLLECTION (collection), NULL); - g_return_val_if_fail (view != NULL, NULL); - g_return_val_if_fail (GAL_IS_VIEW (view), NULL); - g_return_val_if_fail (i >= 0, NULL); - g_return_val_if_fail (i < collection->view_count, NULL); - - d(g_print("%s: %p\n", G_GNUC_FUNCTION, view)); - - item = collection->view_data[i]; - - gal_view_set_title (view, item->title); - g_object_ref (view); - if (item->view) { - g_signal_handler_disconnect (item->view, - item->view_changed_id); - g_object_unref (item->view); - } - item->view = view; - - item->ever_changed = TRUE; - item->changed = TRUE; - item->type = g_strdup(gal_view_get_type_code(view)); - - item->view_changed_id = - g_signal_connect(item->view, "changed", - G_CALLBACK (view_changed), item); - - gal_view_collection_changed (collection); - return item->id; -} - -const char * -gal_view_collection_get_default_view (GalViewCollection *collection) -{ - return collection->default_view; -} - -void -gal_view_collection_set_default_view (GalViewCollection *collection, const char *id) -{ - g_free (collection->default_view); - collection->default_view = g_strdup (id); - gal_view_collection_changed (collection); - collection->default_view_built_in = FALSE; -} - |