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/***************************************************************************
* Copyright (c) 2009 Jürgen Riegel <juergen.riegel@web.de> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#ifndef GUI_TASKVIEW_TaskSelectLinkProperty_H
#define GUI_TASKVIEW_TaskSelectLinkProperty_H
#include "TaskView.h"
#include <Gui/Selection/Selection.h>
#include <App/PropertyLinks.h>
class Ui_TaskSelectLinkProperty;
namespace App
{
class Property;
}
namespace Gui
{
class ViewProvider;
namespace TaskView
{
/** General Link/Selection editor for the Task view
* This can be used as part of a TaskDialog to alter
* the content of a LinkProperty by user input/selection.
* If set active it reflects the selection to the Property
* given and acts due the selection filter given to the constructor.
* It will allow only allowed elements to be selected (SelectionFilter)
* and shows by the background color if the selection criterion is met.
* With the call of accept() or reject() the result gets permanent or
* discarded in the given Property.
*/
class GuiExport TaskSelectLinkProperty: public TaskBox, public Gui::SelectionSingleton::ObserverType
{
Q_OBJECT
public:
TaskSelectLinkProperty(const char*, App::Property*, QWidget* parent = nullptr);
~TaskSelectLinkProperty() override;
/// Observer message from the Selection
void OnChange(
Gui::SelectionSingleton::SubjectType& rCaller,
Gui::SelectionSingleton::MessageType Reason
) override;
/// set the filter criterion (same as in constructor)
bool setFilter(const char*);
/// set the TaskSelectLinkProperty active, means setting the selection and control it
void activate();
/// call this to accept the changes the user has made and send back to the Property (Ok)
bool accept();
/// This discards the changes of the user and leaves the Property untouched (Cancel)
bool reject();
/// send the selection to the Property for e.g. forced recomputation of a feature
void sendSelection2Property();
/// checks if the filter is currently met
inline bool isSelectionValid() const
{
return Filter->match();
}
private:
void setupConnections();
void onRemoveClicked(bool);
void onAddClicked(bool);
void onInvertClicked(bool);
void onHelpClicked(bool);
Q_SIGNALS:
void emitSelectionFit();
void emitSelectionMisfit();
protected:
void changeEvent(QEvent* e) override;
private:
// checks for selection and set background color and signals
void checkSelectionStatus();
QWidget* proxy;
Ui_TaskSelectLinkProperty* ui;
// selection filter for the session
Gui::SelectionFilter* Filter;
// possible used property types, only one is used
App::PropertyLinkSub* LinkSub;
App::PropertyLinkList* LinkList;
// string stores the Property at the beginning (for Cancel)
std::vector<std::string> StartValueBuffer;
App::DocumentObject* StartObject;
};
} // namespace TaskView
} // namespace Gui
#endif // GUI_TASKVIEW_TASKAPPERANCE_H
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