Metadata working based on Store signals (node positions restored)

git-svn-id: http://svn.drobilla.net/lad@29 a436a847-0d15-0410-975c-d299462d15a1

grauph/src/libs/client/ObjectModel.h

@@ -23,6 +23,7 @@
 #include <string>
 #include <algorithm>
 #include <cassert>
+#include <sigc++/sigc++.h>
 #include "util/Path.h"
 
 using std::string; using std::map; using std::find;
@@ -49,7 +50,7 @@ public:
 	const map<string, string>& metadata() const { return m_metadata; }
 	string get_metadata(const string& key) const;
 	void   set_metadata(const string& key, const string& value)
-		{ assert(value.length() > 0); m_metadata[key] = value; }
+		{ assert(value.length() > 0); m_metadata[key] = value; metadata_update_sig.emit(key, value); }
 	
 	inline const Path& path() const            { return m_path; }
 	virtual void       set_path(const Path& p) { m_path = p; }
@@ -65,6 +66,8 @@ public:
 	string        base_path() const;
 	const string  name() const { return m_path.name(); }
 	
+	// Signals
+	sigc::signal<void, const string&, const string&> metadata_update_sig; 
 protected:
 	Path              m_path;
 	ObjectModel*      m_parent;

grauph/src/libs/client/Store.cpp

@@ -33,6 +33,7 @@ Store::Store(SigClientInterface& emitter)
 	emitter.new_patch_sig.connect(sigc::mem_fun(this, &Store::new_patch_event));
 	emitter.new_node_sig.connect(sigc::mem_fun(this, &Store::new_node_event));
 	emitter.new_port_sig.connect(sigc::mem_fun(this, &Store::new_port_event));
+	emitter.metadata_update_sig.connect(sigc::mem_fun(this, &Store::metadata_update_event));
 }
 
 
@@ -259,5 +260,16 @@ Store::new_port_event(const string& path, const string& type, bool is_output)
 }
 
 
+void
+Store::metadata_update_event(const string& subject_path, const string& predicate, const string& value)
+{
+	CountedPtr<ObjectModel> subject = object(subject_path);
+	if (subject)
+		subject->set_metadata(predicate, value);
+	else
+		cerr << "ERROR: metadata for nonexistant object." << endl;
+}
+
+
 } // namespace LibOmClient
 

grauph/src/libs/client/Store.h

@@ -41,7 +41,7 @@ class PortModel;
  */
 class Store {
 public:
-	CountedPtr<PluginModel>      plugin(const string& uri);
+	CountedPtr<PluginModel> plugin(const string& uri);
 	CountedPtr<ObjectModel> object(const string& path);
 	CountedPtr<PatchModel>  patch(const string& path);
 	CountedPtr<NodeModel>   node(const string& path);
@@ -73,7 +73,8 @@ private:
 	void new_patch_event(const string& path, uint32_t poly);
 	void new_node_event(const string& plugin_type, const string& plugin_uri, const string& node_path, bool is_polyphonic, uint32_t num_ports);
 	void new_port_event(const string& path, const string& data_type, bool is_output);
-
+	void metadata_update_event(const string& subject_path, const string& predicate, const string& value);
+	
 	map<string, CountedPtr<ObjectModel> > m_objects; ///< Keyed by Om path
 	map<string, CountedPtr<PluginModel> > m_plugins; ///< Keyed by URI
 };

grauph/src/libs/engine/ObjectSender.cpp

@@ -133,6 +133,11 @@ ObjectSender::send_node(ClientInterface* client, const Node* node)
 	}
 
 	client->bundle_end();
+	
+	// Send metadata
+	const map<string, string>& data = node->metadata();
+	for (map<string, string>::const_iterator j = data.begin(); j != data.end(); ++j)
+		client->metadata_update(node->path(), (*j).first, (*j).second);
 }
 
 

grauph/src/progs/gtk/GtkObjectController.cpp

@@ -23,16 +23,7 @@ GtkObjectController::GtkObjectController(CountedPtr<ObjectModel> model)
 : m_model(model)
 {
 	assert(m_model);
-}
-
-
-/** Derived classes should override this to handle special metadata
- * keys, then call this to set the model's metadata key.
- */
-void
-GtkObjectController::metadata_update(const string& key, const string& value)
-{
-	m_model->set_metadata(key, value);
+	model->metadata_update_sig.connect(sigc::mem_fun(this, &GtkObjectController::metadata_update));
 }
 
 

grauph/src/progs/gtk/GtkObjectController.h

@@ -58,7 +58,12 @@ public:
 	virtual void add_to_store() = 0;
 	virtual void remove_from_store() = 0;
 */
-	virtual void metadata_update(const string& key, const string& value);
+
+	/** Derived classes should override this to handle special metadata
+	 * keys, then call this to set the model's metadata key.
+	 */
+	virtual void metadata_update(const string& key, const string& value)
+	{ assert(m_model->get_metadata(key) != ""); }
 
 	/** Rename object */
 	virtual void set_path(const Path& new_path)

grauph/src/progs/gtk/NodeController.cpp

@@ -50,12 +50,11 @@ NodeController::NodeController(CountedPtr<NodeModel> model)
 	model->set_controller(this);
 
 	// Create port controllers
-	cerr << "FIXME: NodeController()" << endl;
-	/*
-	for (list<PortModel*>::const_iterator i = node_model()->ports().begin();
+	for (PortModelList::const_iterator i = node_model()->ports().begin();
 			i != node_model()->ports().end(); ++i) {
-		assert((*i)->controller() == NULL);
+		assert(!(*i)->controller());
 		assert((*i)->parent() == model.get());
+		// FIXME: leak
 		PortController* const pc = new PortController(*i);
 		assert((*i)->controller() == pc); // PortController() does this
 	}
@@ -83,13 +82,12 @@ NodeController::NodeController(CountedPtr<NodeModel> model)
 	
 	m_controls_menuitem->property_sensitive() = false;
 	
-	if (node_model()->plugin()->type() == PluginModel::Internal
+	if (node_model()->plugin() && node_model()->plugin()->type() == PluginModel::Internal
 			&& node_model()->plugin()->plug_label() == "midi_control_in") {
 		Gtk::Menu::MenuList& items = m_menu.items();
 		items.push_back(Gtk::Menu_Helpers::MenuElem("Learn",
 			sigc::mem_fun(this, &NodeController::on_menu_learn)));
 	}
-	*/
 
 	model->new_port_sig.connect(sigc::mem_fun(this, &NodeController::add_port));
 }
@@ -227,11 +225,12 @@ NodeController::metadata_update(const string& key, const string& value)
 void
 NodeController::add_port(CountedPtr<PortModel> pm)
 {
-	assert(pm->parent() == NULL);
+	assert(pm->parent() == node_model().get());
+	assert(node_model()->get_port(pm->name()) == pm);
 	
 	cout << "[NodeController] Adding port " << pm->path() << endl;
 	
-	node_model()->add_port(pm);
+	// FIXME: leak
 	PortController* pc = new PortController(pm);
 	assert(pm->controller() == pc);
 	//pc->add_to_store();