Implemented the context management part of the ScriptManager

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@61 0fc631ac-6414-0410-93d0-97cfa31319b6

src/script/script_manager.cpp

@@ -7,5 +7,98 @@
 // ----------------------------------------------------------------------------- : Includes
 
 #include <script/script_manager.hpp>
+#include <data/set.hpp>
+#include <data/stylesheet.hpp>
+#include <data/game.hpp>
+#include <data/field.hpp>
+#include <util/error.hpp>
 
-// ----------------------------------------------------------------------------- : 
+typedef map<const StyleSheet*,Context*> Contexts;
+typedef IndexMap<FieldP,StyleP> IndexMap_FieldP_StyleP;
+DECLARE_TYPEOF(Contexts);
+DECLARE_TYPEOF_COLLECTION(FieldP);
+DECLARE_TYPEOF_NO_REV(IndexMap_FieldP_StyleP);
+
+// ----------------------------------------------------------------------------- : ScriptManager : initialization
+
+ScriptManager::ScriptManager(Set& set)
+	: set(set)
+{}
+
+ScriptManager::~ScriptManager() {
+	set.actions.removeListener(this);
+	// destroy context
+	FOR_EACH(sc, contexts) {
+		delete sc.second;
+	}
+	// add as an action listener for the set, so we receive actions
+	set.actions.addListener(this);
+}
+
+Context& ScriptManager::getContext(const StyleSheetP& stylesheet) {
+	assert(wxThread::IsMain()); // only use our contexts from the main thread
+	
+	Contexts::iterator it = contexts.find(stylesheet.get());
+	if (it != contexts.end()) {
+		return *it->second; // we already have a context
+	} else {
+		// create a new context
+		Context* ctx = new Context();
+		contexts.insert(make_pair(stylesheet.get(), ctx));
+		// variables
+		//  NOTE: do not use a smart pointer for the pointer to the set, because the set owns this
+		//        which would lead to a reference cycle.
+		ctx->setVariable(_("set"),        new_intrusive1<ScriptObject<Set*> >(&set));
+		ctx->setVariable(_("game"),       toScript(set.game));
+		ctx->setVariable(_("stylesheet"), toScript(stylesheet));
+		//ctx->style->object = style;
+		//ctx->setVariable(_("styling"), toScript(set->extraStyleData(style)));
+		try {
+			// perform init scripts
+			set.game  ->init_script.invoke(*ctx);
+			stylesheet->init_script.invoke(*ctx);
+			// find script dependencies
+			initDependencies(*ctx, *set.game);
+			initDependencies(*ctx, *stylesheet);
+			// apply scripts to everything
+			updateAll();
+		} catch (Error e) {
+			handle_error(e, false, false);
+		}		
+		// initialize dependencies
+		return *ctx;
+	}
+}
+
+void ScriptManager::initDependencies(Context& ctx, Game& game) {
+	if (game.dependencies_initialized) return;
+	game.dependencies_initialized = true;
+	// find dependencies of card fields
+	FOR_EACH(f, game.card_fields) {
+		f->initDependencies(ctx, Dependency(DEP_CARD_FIELD, f->index));
+	}
+	// find dependencies of set fields
+	FOR_EACH(f, game.set_fields) {
+		f->initDependencies(ctx, Dependency(DEP_SET_FIELD, f->index));
+	}
+}
+
+
+void ScriptManager::initDependencies(Context& ctx, StyleSheet& stylesheet) {
+	if (stylesheet.dependencies_initialized) return;
+	stylesheet.dependencies_initialized = true;
+	// find dependencies of choice images and other style stuff
+	FOR_EACH(s, stylesheet.card_style) {
+		s->initDependencies(ctx, Dependency(DEP_STYLE, s->fieldP->index, &stylesheet));
+	}
+}
+
+// ----------------------------------------------------------------------------- : ScriptManager : dependency handling
+
+void ScriptManager::onAction(const Action& action, bool undone) {
+	// TODO
+}
+
+void ScriptManager::updateAll() {
+	// TODO
+}