118 lines
4.5 KiB
C++
118 lines
4.5 KiB
C++
// SPDX-License-Identifier: LGPL-2.1-or-later
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/***************************************************************************
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* Copyright (c) 2009 Jürgen Riegel <juergen.riegel@web.de> *
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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., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#ifndef GUI_TASKVIEW_TaskSelectLinkProperty_H
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#define GUI_TASKVIEW_TaskSelectLinkProperty_H
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#include "TaskView.h"
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#include <Gui/Selection/Selection.h>
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#include <App/PropertyLinks.h>
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class Ui_TaskSelectLinkProperty;
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namespace App {
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class Property;
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}
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namespace Gui {
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class ViewProvider;
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namespace TaskView {
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/** General Link/Selection editor for the Task view
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* This can be used as part of a TaskDialog to alter
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* the content of a LinkProperty by user input/selection.
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* If set active it reflects the selection to the Property
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* given and acts due the selection filter given to the constructor.
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* It will allow only allowed elements to be selected (SelectionFilter)
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* and shows by the background color if the selection criterion is met.
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* With the call of accept() or reject() the result gets permanent or
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* discarded in the given Property.
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*/
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class GuiExport TaskSelectLinkProperty : public TaskBox, public Gui::SelectionSingleton::ObserverType
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{
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Q_OBJECT
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public:
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TaskSelectLinkProperty(const char *,App::Property *,QWidget *parent = nullptr);
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~TaskSelectLinkProperty() override;
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/// Observer message from the Selection
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void OnChange(Gui::SelectionSingleton::SubjectType &rCaller,
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Gui::SelectionSingleton::MessageType Reason) override;
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/// set the filter criterion (same as in constructor)
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bool setFilter(const char*);
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/// set the TaskSelectLinkProperty active, means setting the selection and control it
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void activate();
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/// call this to accept the changes the user has made and send back to the Property (Ok)
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bool accept();
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/// This discards the changes of the user and leaves the Property untouched (Cancel)
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bool reject();
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/// send the selection to the Property for e.g. forced recomputation of a feature
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void sendSelection2Property();
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/// checks if the filter is currently met
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inline bool isSelectionValid() const {return Filter->match();}
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private:
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void setupConnections();
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void onRemoveClicked(bool);
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void onAddClicked(bool);
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void onInvertClicked(bool);
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void onHelpClicked(bool);
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Q_SIGNALS:
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void emitSelectionFit();
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void emitSelectionMisfit();
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protected:
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void changeEvent(QEvent *e) override;
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private:
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// checks for selection and set background color and signals
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void checkSelectionStatus();
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QWidget* proxy;
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Ui_TaskSelectLinkProperty* ui;
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// selection filter for the session
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Gui::SelectionFilter *Filter;
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// possible used property types, only one is used
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App::PropertyLinkSub *LinkSub;
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App::PropertyLinkList *LinkList;
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// string stores the Property at the beginning (for Cancel)
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std::vector<std::string> StartValueBuffer;
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App::DocumentObject *StartObject;
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};
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} //namespace TaskView
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} //namespace Gui
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#endif // GUI_TASKVIEW_TASKAPPERANCE_H
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