Extended the plugin system to allow for dynamic runtime bindings between modules.

As a test implementation, this allows the TablesPage to open a CrudTab for a table/view without
the need for TablesPage, CrudTab and DatabaseWindow to know anything about each other.

pglab/plugin_support/PluginModule.h

@@ -1,16 +1,23 @@
 #ifndef PLUGIN_SUPPORTPLUGINMODULE_H
 #define PLUGIN_SUPPORTPLUGINMODULE_H
 
-#include "plugin_support/MenuLocation.h"
-#include "plugin_support/ToolbarLocation.h"
+#include "MenuLocation.h"
+#include "ToolbarLocation.h"
+#include "ModuleActionParameters.h"
+#include "PluginRegister.h"
 #include <QObject>
+#include <functional>
+#include <map>
 
 class QAction;
-
+class IPluginContentWidgetContext;
 
 class PluginModule: public QObject {
 	Q_OBJECT
 public:
+	using ModuleAction = std::function<void(IPluginContentWidgetContext*, const ModuleActionParameters &)>;
+	using ModuleActionMap = std::map<QString, ModuleAction>;
+
 	PluginModule(QString name, QString ident);
 
 	const QString& name() const { return m_name; }
@@ -19,13 +26,32 @@ public:
 
 	void setDisplayCategory(QString category);
 	void registerAction(QAction *action, MenuLocation menu_location, ToolbarLocation toolbar_location);
+
+	void registerModuleAction(QString module_action, ModuleAction action);
+
+	/// Searches for and returns a pointer to the requested module action.
+	/// When the action is not found nullptr is returned.
+	const ModuleAction* findModuleAction(const QString &module_action) const;
 private:
 	/// Name shown to end users
 	QString m_name;
 	/// Unique identifier
 	QString m_ident;
 	QString m_displayCategory;
+
+	ModuleActionMap m_moduleActions;
 };
 
 
+template <typename T>
+std::shared_ptr<PluginModule> createPluginModule(QString name, QString ident)
+{
+	auto module = std::make_shared<T>(std::move(name), std::move(ident));
+	module->init();
+
+	PluginRegister::getInstance()->registerModule(module);
+	return std::move(module);
+}
+
+
 #endif // PLUGIN_SUPPORTPLUGINMODULE_H