Added actions for adding/removing keywords

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@254 0fc631ac-6414-0410-93d0-97cfa31319b6

src/data/action/keyword.hpp

@@ -0,0 +1,66 @@
+//+----------------------------------------------------------------------------+
+//| 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_DATA_ACTION_KEYWORD
+#define HEADER_DATA_ACTION_KEYWORD
+
+/** @file data/action/keyword.hpp
+ *
+ *  Actions operating on Keywords and the keyword list of a set
+ */
+
+// ----------------------------------------------------------------------------- : Includes
+
+#include <util/prec.hpp>
+#include <util/action_stack.hpp>
+
+class Set;
+DECLARE_POINTER_TYPE(Keyword);
+
+// ----------------------------------------------------------------------------- : Add Keyword
+
+/// An Action the changes the keyword list of a set
+class KeywordListAction : public Action {
+  public:
+	inline KeywordListAction(Set& set) : set(set) {}
+	
+  protected:
+	Set& set; // the set owns this action, so the set will not be destroyed before this
+	          // therefore we don't need a smart pointer
+};
+
+/// Adding a new keyword to a set
+class AddKeywordAction : public KeywordListAction {
+  public:
+	AddKeywordAction(Set& set);
+	AddKeywordAction(Set& set, const KeywordP& keyword);
+	
+	virtual String getName(bool to_undo) const;
+	virtual void   perform(bool to_undo);
+	
+  //private:
+	const KeywordP keyword; ///< The new keyword
+};
+
+// ----------------------------------------------------------------------------- : Remove Keyword
+
+/// Removing a keyword from a set
+class RemoveKeywordAction : public KeywordListAction {
+  public:
+	RemoveKeywordAction(Set& set, const KeywordP& keyword);
+	
+	virtual String getName(bool to_undo) const;
+	virtual void   perform(bool to_undo);
+	
+  //private:
+	const KeywordP keyword;		///< The removed keyword
+	const size_t keyword_id;	///< Position of the keyword in the set
+};
+
+// ----------------------------------------------------------------------------- : Changing keywords
+
+// ----------------------------------------------------------------------------- : EOF
+#endif