From 86e73f86c2dafc1211fdb3312ba0c8bb0b6e8f04 Mon Sep 17 00:00:00 2001 From: Přemysl Janouch Date: Thu, 16 Dec 2010 11:34:02 +0100 Subject: Rename LdDocument* to LdDiagram*. My bad; this name is much more appropriate. --- src/ld-document.c | 455 ------------------------------------------------------ 1 file changed, 455 deletions(-) delete mode 100644 src/ld-document.c (limited to 'src/ld-document.c') diff --git a/src/ld-document.c b/src/ld-document.c deleted file mode 100644 index 79beebf..0000000 --- a/src/ld-document.c +++ /dev/null @@ -1,455 +0,0 @@ -/* - * ld-document.c - * - * This file is a part of logdiag. - * Copyright Přemysl Janouch 2010. All rights reserved. - * - * See the file LICENSE for licensing information. - * - */ - -#include -#include - -#include "config.h" - -#include "ld-document-object.h" -#include "ld-document.h" - - -/** - * SECTION:ld-document - * @short_description: A document object. - * @see_also: #LdCanvas - * - * #LdDocument is a model for storing documents. - */ - -/* - * LdDocumentPrivate: - * @modified: Whether the document has been modified. - * @objects: All the objects in the document. - * @selection: All currently selected objects. - * @connections: Connections between objects. - */ -struct _LdDocumentPrivate -{ - gboolean modified; - - GSList *objects; - GSList *selection; - GSList *connections; -}; - -G_DEFINE_TYPE (LdDocument, ld_document, G_TYPE_OBJECT); - -enum -{ - PROP_0, - PROP_MODIFIED -}; - -static void ld_document_get_property (GObject *object, guint property_id, - GValue *value, GParamSpec *pspec); -static void ld_document_set_property (GObject *object, guint property_id, - const GValue *value, GParamSpec *pspec); -static void ld_document_dispose (GObject *gobject); -static void ld_document_finalize (GObject *gobject); - -static void ld_document_real_changed (LdDocument *self); -static void ld_document_clear_internal (LdDocument *self); - - -static void -ld_document_class_init (LdDocumentClass *klass) -{ - GObjectClass *object_class; - GParamSpec *pspec; - - object_class = G_OBJECT_CLASS (klass); - object_class->get_property = ld_document_get_property; - object_class->set_property = ld_document_set_property; - object_class->dispose = ld_document_dispose; - object_class->finalize = ld_document_finalize; - - klass->changed = ld_document_real_changed; - -/** - * LdDocument:modified: - * - * Whether the document has been modified. - */ - pspec = g_param_spec_boolean ("modified", "Modified", - "Whether the document has been modified.", - FALSE, G_PARAM_READWRITE); - g_object_class_install_property (object_class, PROP_MODIFIED, pspec); - -/** - * LdDocument::changed: - * @document: The document object. - * - * Contents of the document have changed. - */ - klass->changed_signal = g_signal_new - ("changed", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (LdDocumentClass, changed), NULL, NULL, - g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); - - g_type_class_add_private (klass, sizeof (LdDocumentPrivate)); -} - -static void -ld_document_init (LdDocument *self) -{ - self->priv = G_TYPE_INSTANCE_GET_PRIVATE - (self, LD_TYPE_DOCUMENT, LdDocumentPrivate); -} - -static void -ld_document_get_property (GObject *object, guint property_id, - GValue *value, GParamSpec *pspec) -{ - LdDocument *self; - - self = LD_DOCUMENT (object); - switch (property_id) - { - case PROP_MODIFIED: - g_value_set_boolean (value, ld_document_get_modified (self)); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); - } -} - -static void -ld_document_set_property (GObject *object, guint property_id, - const GValue *value, GParamSpec *pspec) -{ - LdDocument *self; - - self = LD_DOCUMENT (object); - switch (property_id) - { - case PROP_MODIFIED: - ld_document_set_modified (self, g_value_get_boolean (value)); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); - } -} - -static void -ld_document_dispose (GObject *gobject) -{ - LdDocument *self; - - self = LD_DOCUMENT (gobject); - ld_document_clear_internal (self); - - /* Chain up to the parent class. */ - G_OBJECT_CLASS (ld_document_parent_class)->dispose (gobject); -} - -static void -ld_document_finalize (GObject *gobject) -{ - /* Chain up to the parent class. */ - G_OBJECT_CLASS (ld_document_parent_class)->finalize (gobject); -} - -static void -ld_document_real_changed (LdDocument *self) -{ - g_return_if_fail (LD_IS_DOCUMENT (self)); - - ld_document_set_modified (self, TRUE); -} - - -/** - * ld_document_new: - * - * Create an instance. - */ -LdDocument * -ld_document_new (void) -{ - return g_object_new (LD_TYPE_DOCUMENT, NULL); -} - -/** - * ld_document_clear: - * @self: An #LdDocument object. - * - * Clear the whole document with it's objects and selection. - */ -void -ld_document_clear (LdDocument *self) -{ - g_return_if_fail (LD_IS_DOCUMENT (self)); - - ld_document_clear_internal (self); - - g_signal_emit (self, - LD_DOCUMENT_GET_CLASS (self)->changed_signal, 0); -} - -/* - * ld_document_clear_internal: - * @self: An #LdDocument object. - * - * Do the same what ld_document_clear() does but don't emit signals. - */ -static void -ld_document_clear_internal (LdDocument *self) -{ - g_slist_free (self->priv->connections); - self->priv->connections = NULL; - - g_slist_foreach (self->priv->selection, (GFunc) g_object_unref, NULL); - g_slist_free (self->priv->selection); - self->priv->selection = NULL; - - g_slist_foreach (self->priv->objects, (GFunc) g_object_unref, NULL); - g_slist_free (self->priv->objects); - self->priv->objects = NULL; -} - -/** - * ld_document_load_from_file: - * @self: An #LdDocument object. - * @filename: A filename. - * @error: Return location for a GError, or NULL. - * - * Load a file into the document. - * - * Return value: TRUE if the file could be loaded, FALSE otherwise. - */ -gboolean -ld_document_load_from_file (LdDocument *self, - const gchar *filename, GError **error) -{ - JsonParser *parser; - GError *json_error; - - g_return_val_if_fail (LD_IS_DOCUMENT (self), FALSE); - g_return_val_if_fail (filename != NULL, FALSE); - - /* TODO: Implement loading for real. This is just a stub. */ - parser = json_parser_new (); - - json_error = NULL; - json_parser_load_from_file (parser, filename, &json_error); - if (json_error) - { - g_propagate_error (error, json_error); - g_object_unref (parser); - return FALSE; - } - - ld_document_clear (self); - g_object_unref (parser); - return TRUE; -} - -/** - * ld_document_save_to_file: - * @self: An #LdDocument object. - * @filename: A filename. - * @error: Return location for a GError, or NULL. - * - * Save the document into a file. - * - * Return value: TRUE if the document could be saved, FALSE otherwise. - */ -gboolean -ld_document_save_to_file (LdDocument *self, - const gchar *filename, GError **error) -{ - JsonGenerator *generator; - JsonNode *root; - GError *json_error; - - g_return_val_if_fail (LD_IS_DOCUMENT (self), FALSE); - g_return_val_if_fail (filename != NULL, FALSE); - - /* TODO: Implement saving for real. This is just a stub. */ - generator = json_generator_new (); - g_object_set (generator, "pretty", TRUE, NULL); - - /* XXX: json-glib dislikes empty objects. */ - root = json_node_new (JSON_NODE_OBJECT); - json_generator_set_root (generator, root); - json_node_free (root); - - json_error = NULL; - json_generator_to_file (generator, filename, &json_error); - if (json_error) - { - g_propagate_error (error, json_error); - g_object_unref (generator); - return FALSE; - } - g_object_unref (generator); - return TRUE; -} - -/** - * ld_document_get_modified: - * @self: An #LdDocument object. - * - * Return value: The modification status of document. - */ -gboolean -ld_document_get_modified (LdDocument *self) -{ - g_return_val_if_fail (LD_IS_DOCUMENT (self), FALSE); - return self->priv->modified; -} - -/** - * ld_document_set_modified: - * @self: An #LdDocument object. - * @value: Whether the document has been modified. - * - * Set the modification status of document. - */ -void -ld_document_set_modified (LdDocument *self, gboolean value) -{ - g_return_if_fail (LD_IS_DOCUMENT (self)); - self->priv->modified = value; - - g_object_notify (G_OBJECT (self), "modified"); -} - -/** - * ld_document_get_objects: - * @self: An #LdDocument object. - * - * Get a list of objects in the document. - * You mustn't make any changes to the list. - */ -GSList * -ld_document_get_objects (LdDocument *self) -{ - g_return_val_if_fail (LD_IS_DOCUMENT (self), NULL); - return self->priv->objects; -} - -/** - * ld_document_insert_object: - * @self: An #LdDocument object. - * @object: The object to be inserted. - * @pos: The position at which the object is to be inserted. - * Negative values will append to the end. - * - * Insert an object into the document. - */ -void -ld_document_insert_object (LdDocument *self, LdDocumentObject *object, gint pos) -{ - g_return_if_fail (LD_IS_DOCUMENT (self)); - g_return_if_fail (LD_IS_DOCUMENT_OBJECT (object)); - - if (!g_slist_find (self->priv->objects, object)) - { - self->priv->objects = - g_slist_insert (self->priv->objects, object, pos); - g_object_ref (object); - - g_signal_emit (self, - LD_DOCUMENT_GET_CLASS (self)->changed_signal, 0); - } -} - -/** - * ld_document_remove_object: - * @self: An #LdDocument object. - * @object: The object to be removed. - * - * Remove an object from the document. - */ -void -ld_document_remove_object (LdDocument *self, LdDocumentObject *object) -{ - g_return_if_fail (LD_IS_DOCUMENT (self)); - g_return_if_fail (LD_IS_DOCUMENT_OBJECT (object)); - - if (g_slist_find (self->priv->objects, object)) - { - ld_document_selection_remove (self, object); - - self->priv->objects = g_slist_remove (self->priv->objects, object); - g_object_unref (object); - - g_signal_emit (self, - LD_DOCUMENT_GET_CLASS (self)->changed_signal, 0); - } -} - -/** - * ld_document_get_selection: - * @self: An #LdDocument object. - * - * Get a list of objects that are currently selected in the document. - * You mustn't make any changes to the list. - */ -GSList * -ld_document_get_selection (LdDocument *self) -{ - g_return_val_if_fail (LD_IS_DOCUMENT (self), NULL); - return self->priv->selection; -} - -/** - * ld_document_selection_add: - * @self: An #LdDocument object. - * @object: The object to be added to the selection. - * @pos: The position at which the object is to be inserted. - * Negative values will append to the end. - * - * Add an object to selection. - */ -void -ld_document_selection_add (LdDocument *self, LdDocumentObject *object, gint pos) -{ - g_return_if_fail (LD_IS_DOCUMENT (self)); - g_return_if_fail (LD_IS_DOCUMENT_OBJECT (object)); - - if (!g_slist_find (self->priv->selection, object) - && g_slist_find (self->priv->objects, object)) - { - self->priv->selection = - g_slist_insert (self->priv->selection, object, pos); - g_object_ref (object); - - g_signal_emit (self, - LD_DOCUMENT_GET_CLASS (self)->changed_signal, 0); - } -} - -/** - * ld_document_selection_remove: - * @self: An #LdDocument object. - * @object: The object to be removed from the selection. - * - * Remove an object from the selection. - */ -void -ld_document_selection_remove (LdDocument *self, LdDocumentObject *object) -{ - g_return_if_fail (LD_IS_DOCUMENT (self)); - g_return_if_fail (LD_IS_DOCUMENT_OBJECT (object)); - - if (g_slist_find (self->priv->selection, object)) - { - self->priv->selection = g_slist_remove (self->priv->selection, object); - g_object_unref (object); - - g_signal_emit (self, - LD_DOCUMENT_GET_CLASS (self)->changed_signal, 0); - } -} -- cgit v1.2.3-54-g00ecf