2c249e69f2
- change responsibility of python code emition - Correct python code handling for expressions - handle constraints expressions handling
85 lines
3.2 KiB
C++
85 lines
3.2 KiB
C++
/***************************************************************************
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* Copyright (c) 2015 Eivind Kvedalen <eivind@kvedalen.name> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library 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 Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 51 Franklin Street, *
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* Fifth Floor, Boston, MA 02110-1301, USA *
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* *
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***************************************************************************/
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#ifndef EXPRESSIONBINDING_H
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#define EXPRESSIONBINDING_H
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#include <string>
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#include <App/ObjectIdentifier.h>
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#include <boost/shared_ptr.hpp>
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#include <QLabel>
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#include <boost/signals.hpp>
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namespace App {
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class Expression;
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}
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namespace Gui {
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class GuiExport ExpressionBinding
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{
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public:
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ExpressionBinding();
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~ExpressionBinding();
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virtual void bind(const App::ObjectIdentifier & _path);
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virtual void bind(const App::Property & prop);
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bool isBound() const;
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virtual bool apply(const std::string &propName);
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virtual bool apply();
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bool hasExpression() const;
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QPixmap getIcon(const char *name, const QSize &size) const;
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//auto apply means that the python code is issues not only on aplly() but
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//also on setExpression
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bool autoApply() const {return m_autoApply;};
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void setAutoApply(bool value) {m_autoApply = value;};
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protected:
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const App::ObjectIdentifier & getPath() const { return path; }
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boost::shared_ptr<App::Expression> getExpression() const;
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std::string getExpressionString() const;
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std::string getEscapedExpressionString() const;
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virtual void setExpression(boost::shared_ptr<App::Expression> expr);
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//gets called when the bound expression is changed, either by this binding or any external action
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virtual void onChange() {};
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private:
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App::ObjectIdentifier path;
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boost::shared_ptr<App::Expression> lastExpression;
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protected:
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QLabel* iconLabel;
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QPalette defaultPalette;
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int iconHeight;
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void expressionChange(const App::ObjectIdentifier& id);
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boost::signals::scoped_connection connection;
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bool m_autoApply;
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};
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}
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#endif // EXPRESSIONBINDING_H
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