FreeCAD/src/Gui/TaskView/TaskSelectLinkProperty.h
2011-10-10 13:44:52 +00:00

117 lines
4.5 KiB
C++

/***************************************************************************
* 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.h>
#include <boost/signals.hpp>
#include <App/PropertyLinks.h>
class Ui_TaskSelectLinkProperty;
namespace App {
class Property;
}
namespace Gui {
class ViewProvider;
namespace TaskView {
/** General Link/Selction 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 = 0);
~TaskSelectLinkProperty();
/// Observer message from the Selection
void OnChange(Gui::SelectionSingleton::SubjectType &rCaller,
Gui::SelectionSingleton::MessageType Reason);
/// set the filter criterion (same as in constructor)
bool setFilter(const char*);
/// set the TaskSelectLinkProperty active, means seting the selection and controls it
void activate(void);
/// call this to accept the changes the user have made and put back to the Propterty (Ok)
bool accept(void);
/// This discard the changes of the user and leaf the Property untouched (Cancel)
bool reject(void);
/// send the selection to the Property for e.g. forced recomputation of a feature
void sendSelection2Property(void);
/// checkes if the filter is current met
inline bool isSelectionValid(void) const {return Filter->match();}
private Q_SLOTS:
void on_Remove_clicked(bool);
void on_Add_clicked(bool);
void on_Invert_clicked(bool);
void on_Help_clicked(bool);
Q_SIGNALS:
void emitSelectionFit(void);
void emitSelectionMisfit(void);
protected:
void changeEvent(QEvent *e);
private:
// checks for selection and set background color and signals
void checkSelectionStatus(void);
QWidget* proxy;
Ui_TaskSelectLinkProperty* ui;
// selection filter for the session
Gui::SelectionFilter *Filter;
// posible used propetry 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