text: #ifndef ShapefileBuildingInputWidget_H
  #define ShapefileBuildingInputWidget_H
  /* *****************************************************************************
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     this list of conditions and the following disclaimer in the documentation
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  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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  either expressed or implied, of the FreeBSD Project.
  
  REGENTS SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  THE SOFTWARE AND ACCOMPANYING DOCUMENTATION, IF ANY, PROVIDED HEREUNDER IS
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  *************************************************************************** */
  
  // Written by: Stevan Gavrilovic
  
  #include "ComponentInputWidget.h"
  
  class QgsVectorLayer;
  
  class ShapefileBuildingInputWidget : public  ComponentInputWidget
  {
      Q_OBJECT
  
  public:
      explicit ShapefileBuildingInputWidget(QWidget *parent, VisualizationWidget* visWidget, QString componentType, QString appType = QString());
      virtual ~ShapefileBuildingInputWidget();
  
      int loadComponentVisualization() override;
  
      bool outputAppDataToJSON(QJsonObject &jsonObject) override;
      bool inputAppDataFromJSON(QJsonObject &jsonObject) override;
  
  private slots:
      bool loadComponentData(void) override;
  
  private:
  
      QgsVectorLayer* shapeFileLayer = nullptr;
  
  };
  
  #endif // ShapefileBuildingInputWidget_H
  