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107 lines
3.4 KiB
107 lines
3.4 KiB
/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* copyright (C) 2002-2006 *
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* Umbrello UML Modeller Authors <uml-devel@uml.sf.net> *
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***************************************************************************/
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#ifndef ASSOCRULES_H
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#define ASSOCRULES_H
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#include "umlnamespace.h"
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namespace std
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{ class type_info; }
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class UMLWidget;
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/**
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* Used to determine rules for associations.
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*
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* @author Paul Hensgen
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* Bugs and comments to uml-devel@lists.sf.net or http://bugs.trinitydesktop.org
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*/
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class AssocRules {
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public:
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/**
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* Constructor.
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*/
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AssocRules();
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/**
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* Deconstructor.
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*/
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~AssocRules();
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/**
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* Returns whether an association is going to be allowed for the given
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* values. This method is used to test if you can start an association.
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*/
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static bool allowAssociation( Uml::Association_Type assocType, UMLWidget * widget );
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static bool allowAssociation( Uml::Association_Type assocType, const std::type_info & );
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/**
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* Returns whether an association is valid with the given variables.
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* This method is used to finish an association.
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*/
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static bool allowAssociation( Uml::Association_Type assocType,
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UMLWidget * widgetA, UMLWidget * widgetB,
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bool extendedCheck = true );
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/**
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* Returns whether to allow a role text for the given association type.
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*/
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static bool allowRole( Uml::Association_Type assocType );
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/**
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* Returns whether to allow a multiplicity text for the given
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* association and widget type.
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*/
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static bool allowMultiplicity( Uml::Association_Type assocType, Uml::Widget_Type widgetType );
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/**
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* Returns whether to allow an association to self for given variables.
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*/
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static bool allowSelf( Uml::Association_Type assocType, Uml::Widget_Type widgetType );
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/**
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* Returns whether an implements association should be a Realisation or
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* a Generalisation.
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* as defined in m_AssocRules.
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*/
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static Uml::Association_Type isGeneralisationOrRealisation(UMLWidget* widgetA, UMLWidget* widgetB);
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private:
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/**
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* Structure to help determine association rules.
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*/
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struct Assoc_Rule {
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Uml::Association_Type assoc_type; ///< association type
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Uml::Widget_Type widgetA_type; ///< type of role A widget
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Uml::Widget_Type widgetB_type; ///< type of role B widget
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bool role; ///< role text
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bool multiplicity; ///< multipliciy text on association
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/// can have an association of same type going between widget each way
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bool directional;
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bool self; ///< association to self
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};
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/**
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* Container that holds all the rules.
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*/
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static Assoc_Rule m_AssocRules[];
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/**
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* The number of rules known about.
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*/
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static int m_nNumRules;
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};
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#endif
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