QtRegionState.qo.h

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//# QtRegionState.h: region properties, populates region dock
//# Copyright (C) 2012
//# Associated Universities, Inc. Washington DC, USA.
//#
//# 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; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//#        Internet email: aips2-request@nrao.edu.
//#        Postal address: AIPS++ Project Office
//#                        National Radio Astronomy Observatory
//#                        520 Edgemont Road
//#                        Charlottesville, VA 22903-2475 USA
//#
//# $Id$


#ifndef REGION_QTREGIONSTATE_H_
#define REGION_QTREGIONSTATE_H_

#include <casa/BasicSL/String.h>
#include <display/region/RegionEnums.h>
#include <display/region/QtRegionState.ui.h>
#include <display/region/QtRegionStats.qo.h>
#include <display/Display/MouseToolState.h>

namespace casa {

        class HistogramTab;
        namespace viewer {

                class Region;


                class QtRegionState : public QFrame, protected Ui::QtRegionState {
                        Q_OBJECT
                public:
                        // initializing the display depends upon having signals & slots connected
                        // which cannot happen until after the ctor of QtRegionState...
                        void init( );


                        QtRegionState( const QString &name,
                                       QtMouseToolNames::PointRegionSymbols sym=QtMouseToolNames::SYM_UNKNOWN,
                                       Region *region=0, QWidget *parent=0 );
                        ~QtRegionState( );

                        bool statisticsIsVisible( ) {
                                return categories->tabText(categories->currentIndex( )) == "stats";
                        }

                        Region *region( ) {
                                return region_;
                        }
                        void setRegion( Region *r );

                        void updateCoord( );
                        void updateStatistics(  );
                        void updateStatistics( std::list<SHARED_PTR<RegionInfo> > *stats );
                        void updateFrameInformation( int count );
                        void reloadStatistics( );
                        void updateCenters( std::list<SHARED_PTR<RegionInfo> > *centers );
                        void setCenterBackground(QString background);
                        void clearStatistics( );
                        void addHistogram(QWidget* histogram);
                        void updateStackOrder( int firstImage );
                        int getStackIndex() const;

                        std::string lineColor( ) const;
                        std::string centerColor( ) const;
                        int lineWidth( ) const {
                                return line_width->value( );
                        }
                        region::LineStyle lineStyle( ) const;

                        int markerScale( ) const {
                                return marker_scale->value( );
                        }
                        void setMarkerScale( int v );

                        std::string textColor( ) const;
                        std::string textFont( ) const;
                        int textFontSize( ) const {
                                return font_size->value( );
                        }
                        int textFontStyle( ) const;
                        std::string textValue( ) const;
                        region::TextPosition textPosition( ) const;
                        void textPositionDelta( int &x, int &y ) const;

                        void setTextValue( const std::string &l );
                        void setTextPosition( region::TextPosition );
                        void setTextDelta( const std::vector<int> & );
                        void setTextFont( const std::string &f );
                        void setTextFontSize( int s );
                        void setTextFontStyle( int s );
                        void setTextColor( const std::string & );
                        void setLineColor( const std::string & );
                        void setLineStyle( region::LineStyle );
                        void setLineWidth( unsigned int );
                        void setAnnotation( bool );
                        void disableAnnotation( bool );

                        int zMin( ) const;
                        int zMax( ) const;
                        int numFrames( ) const;

                        bool isAnnotation( ) const;

                        // reset the widget to its original state...
                        void reset( const QString &name, Region *r );

                        /* QString getRegionCategory( ) const { return categories->tabText(categories->currentIndex( )); } */
                        /* void justExposed( ); */

                        void getCoordinatesAndUnits( region::Coord &c, region::Units &xu, region::Units &yu, std::string &bounding_units ) const;
                        void setCoordinatesAndUnits( region::Coord c, region::Units x_units, region::Units y_units, const std::string &bounding_units );
                        void updatePosition( const QString &x, const QString &y, const QString &angle,
                                             const QString &bounding_width, const QString &bounding_height );

                        // may be called after "outputRegions" signal to notify the
                        // user that no regions were selected for output...
                        void noOutputNotify( );

                        // functions added with the introduction of RegionToolManager and the
                        // unified selection and manipulation of the various region types...
                        /* void mark( bool set=true ) { region_mark->setCheckState( set ? Qt::Checked : Qt::Unchecked ); } */
                        /* bool marked( ) const { return region_mark->checkState( ) == Qt::Checked ? true : false; } */
                        void mark( bool set=true );
                        bool marked( ) const {
                                return region_mark->isChecked( );
                        }
                        bool markCenter( ) const {
                                return (markcenter_chk->checkState()==Qt::Checked);
                        }
                        bool skyComponent() const {
                                return (skycomp_chk->checkState()==Qt::Checked);
                        };
                        bool mark_toggle( );

                        void nowVisible( );
                        QPushButton *getFitButton() {
                                return imfit_fit;
                        };

                        void emitRefresh( ) {
                                emit refreshCanvas( );
                        }

                        // return the current information mode of the region state, e.g. position, statistics, etc.
                        std::string mode( ) const;
                        const std::string LINE_COLOR_CHANGE;

                        virtual QString HISTOGRAM_MODE( ) const {
                                return "Histogram";
                        }
                        virtual QString STATISTICS_MODE( ) const {
                                return "Statistics";
                        }
                        virtual QString FILE_MODE( ) const {
                                return "File";
                        }
                        virtual QString FIT_MODE( ) const {
                                return "Fit";
                        }
                        virtual QString PROPERTIES_MODE( ) const {
                                return "Properties";
                        }

                signals:
                        void regionChange( viewer::Region *, std::string );
                        void refreshCanvas( );
                        void statisticsVisible( bool );
                        void collectStatistics( );
                        void updateHistogram();
                        void positionVisible( bool );
                        void translateX( const QString &/*x*/, const QString &/*x_units*/, const QString &/*coordsys*/ );
                        void translateY( const QString &/*y*/, const QString &/*y_units*/, const QString &/*coordsys*/ );
                        void resizeX( const QString &/*x*/, const QString &/*x_units*/, const QString &/*coordsys*/ );
                        void resizeY( const QString &/*y*/, const QString &/*y_units*/, const QString &/*coordsys*/ );

                        void zRange( int z_min, int z_max );
                        /* void regionCategoryChange( QString ); */
                        void outputRegions( const QString &what, const QString &name, const QString &type, const QString &csys );
                        void loadRegions( const QString &path, const QString &type );

                public slots:
                        void stackChange(QWidget*);

                protected slots:
                        // updates canvas with any line changes
                        void state_change( int );
                        void state_change_region_mark( int );
                        void color_state_change( int );
                        void state_change( bool );
                        void state_change( const QString & );
                        void states_change( int );
                        void states_val_change( int );
                        void coordsys_change( const QString &text );
                        void translate_x( );
                        void translate_y( );
                        void resize_x( );
                        void resize_y( );
                        void category_change( int );
                        void filetab_change( int );
                        // keeps text color in sync with line color (if they were the same before)
                        void line_color_change(const QString & );
                        QString default_extension( const QString & );

                        void update_default_file_extension(const QString&);
                        void update_save_type(const QString &);
                        void save_region(bool);

                        void update_load_type(const QString &);
                        void load_regions( bool );

                        void frame_min_change(int);
                        void frame_max_change(int);

                        void save_browser(bool);
                        void load_browser(bool);

                        void set_point_region_marker( int );

                protected:
                        // keep track of which set of statistics
                        // where selected when refreshing all...
                        int selected_statistics;
                        typedef std::list<QtRegionStats*> freestat_list;
                        static freestat_list *freestats;
                        static freestat_list *freecenters;
                        QString last_line_color;
                        Region *region_;

                        std::string bounding_index_to_string( int index ) const;

                        friend class Region;
                        void clearRegion( ) {
                                region_ = 0;
                        }

                private:
                        void initRegionState( );
                        void statisticsUpdate( QtRegionStats *regionStats, SHARED_PTR<casa::viewer::RegionInfo> regionInfo );
                        unsigned int setting_combo_box;
                        int pre_dd_change_statistics_count;
                        HistogramTab* histogramTab;

                };

                class QtPVLineState : public QtRegionState {
                        Q_OBJECT
                public:
                        QtPVLineState( const QString &name,
                                       QtMouseToolNames::PointRegionSymbols sym=QtMouseToolNames::SYM_UNKNOWN,
                                       Region *region=0, QWidget *parent=0 );
                        QString STATISTICS_MODE( ) const {
                                return "pV";
                        }

                };

                class QtSliceCutState : public QtRegionState {
                        Q_OBJECT
                public:
                        QtSliceCutState( const QString &name,
                                         QtMouseToolNames::PointRegionSymbols sym=QtMouseToolNames::SYM_UNKNOWN,
                                         Region *region=0, QWidget *parent=0 );
                        QString STATISTICS_MODE( ) const {
                                return "Spatial Profile";
                        }

                };

                class QtPointState : public QtRegionState {
                        Q_OBJECT
                public:
                        QtPointState( const QString &name,
                                       QtMouseToolNames::PointRegionSymbols sym=QtMouseToolNames::SYM_UNKNOWN,
                                       Region *region=0, QWidget *parent=0 );
                };

        }
}

#endif