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//------------------------------------------------------------------------------
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// This file is part of Toolkit for Conceptual Modeling (TCM).
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// (c) copyright 1995, Vrije Universiteit Amsterdam.
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// Author: Frank Dehne (frank@cs.vu.nl).
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// TCM 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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// TCM is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with TCM; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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//-----------------------------------------------------------------------------
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#include "diagramviewer.h"
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#include "readdirection.h"
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/// entity-relationship viewer class.
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class ERViewer: public DiagramViewer {
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/*@Doc: {\large {\bf scope:} TERD} */
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ERViewer(Config *c, ERWindow *w);
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bool IsIsaOnly() {return isaOnly;}
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bool IsValueTypesHidden() {return valueTypesHidden;}
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/// set/reset hided value types.
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void SetHideValueTypes(bool set);
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/// set/reset show only ISA.
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void SetShowISA(bool set);
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/// update read direction arrow selected object types.
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void UpdateReadDirection(ReadDirection::Type dir);
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/// value types hidden.
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bool valueTypesHidden;
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/// isa hierarchy only is made visible.