/*************************************************************************** * Copyright (c) 2009 Jürgen Riegel * * * * 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 #include #include 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 StartValueBuffer; App::DocumentObject *StartObject; }; } //namespace TaskView } //namespace Gui #endif // GUI_TASKVIEW_TASKAPPERANCE_H