Added ScriptableImage plus the beginnings of dependency stuff

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@58 0fc631ac-6414-0410-93d0-97cfa31319b6

src/script/script_manager.hpp

@@ -0,0 +1,81 @@
+//+----------------------------------------------------------------------------+
+//| Description:  Magic Set Editor - Program to make Magic (tm) cards          |
+//| Copyright:    (C) 2001 - 2006 Twan van Laarhoven                           |
+//| License:      GNU General Public License 2 or later (see file COPYING)     |
+//+----------------------------------------------------------------------------+
+
+#ifndef HEADER_SCRIPT_SCRIPT_MANAGER
+#define HEADER_SCRIPT_SCRIPT_MANAGER
+
+// ----------------------------------------------------------------------------- : Includes
+
+#include <util/prec.hpp>
+#include <script/context.hpp>
+#include <data/set.hpp>
+
+// ----------------------------------------------------------------------------- : Dependency
+
+/// Types of dependencies
+enum DependencyType
+{	DEP_CARD_FIELD			///< dependency of a script in a "card" field
+,	DEP_CARDS_FIELD			///< dependency of a script in a "card"  field for all cards
+,	DEP_SET_INFO_FIELD		///< dependency of a script in a "set"   field
+,	DEP_STYLESHEET_FIELD	///< dependency of a script in a "style" property
+,	DEP_CARD_COPY_DEP		///< copy the dependencies from a card field
+,	DEP_SET_COPY_DEP		///< copy the dependencies from a set  field
+,	DEP_CHOICE_IMAGE		///< dependency of a generated choice image, index2 gives the index of the choice image
+};
+
+/// A 'pointer' to some script that depends on another script
+class Dependency {
+  public:
+	DependencyType type   : 4;	///< Type of the dependent script
+	UInt           index2 : 10;	///< A second index, used for some types
+	size_t         index;		///< index into an IndexMap
+};
+
+// ----------------------------------------------------------------------------- : Dependencies of data type members
+
+
+
+// ----------------------------------------------------------------------------- : ScriptManager
+
+/// Manager of the script context for a set, keeps scripts up to date
+/** Whenever there is an action all necessary scripts are executed.
+ *  Executes both Value scripts and Style scriptables.
+ *
+ *  The context contains a normal pointer to the set, not a shared_ptr, because the set
+ *  itself owns this object.
+ */
+class ScriptManager : public ActionListener {
+  public:
+	ScriptManager(Set& set);
+	
+  private:
+	Context context; ///< Context for evaluating scripts
+	
+	void initScriptStuff();
+	void initDependencies();
+	void initDependencies(const StyleSheetP&);
+	void initContext(const StyleSheetP&);
+	
+	// Update all styles for a particular card
+	void updateStyles(const CardP& card);
+	/// Updates scripts, starting at some value
+	/** if the value changes any dependend values are updated as well */
+	void updateValue(Value* value, const CardP& card);
+	/// Update all fields of all cards
+	/** Update all set info fields
+	 *  Doesn't update styles
+	 */
+	void updateAll();
+	// Update all values with a specific dependency
+	void updateAllDependend(const vector<Dependency>& dependendScripts);
+	
+  protected:
+	/// Respond to actions by updating scripts
+	void onAction(const Action&, bool undone);
+};
+
+// ----------------------------------------------------------------------------- : EOF
+#endif