d7/dbd/templateview_8h_source.html

/*

        Copyright 2006-2020 The QElectroTech Team

        This file is part of QElectroTech.


        QElectroTech is free software: you can redistribute it and/or modify

        it under the terms of the GNU General Public License as published by

        the Free Software Foundation, either version 2 of the License, or

        (at your option) any later version.


        QElectroTech 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 General Public License for more details.


        You should have received a copy of the GNU General Public License

        along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef TITLEBLOCK_SLASH_TEMPLATE_VIEW_H

#define TITLEBLOCK_SLASH_TEMPLATE_VIEW_H

#include <QGraphicsView>

#include "titleblocktemplate.h"

class HelperCell;

class SplittedHelperCell;

class TitleBlockTemplateCommand;

class TitleBlockTemplateCellsSet;


class TitleBlockTemplateView : public QGraphicsView {

        Q_OBJECT


        // constructors, destructor

        public:

        TitleBlockTemplateView(QWidget * = nullptr);

        TitleBlockTemplateView(QGraphicsScene *,

                               QWidget * = nullptr);

        ~TitleBlockTemplateView() override;

        private:

        TitleBlockTemplateView(const TitleBlockTemplateView &);


        // methods and slots

        public:

        TitleBlockTemplate *titleBlockTemplate() const;

        virtual QList<TitleBlockCell *> selectedCells() const;

        virtual TitleBlockTemplateCellsSet selectedCellsSet() const;

        virtual TitleBlockTemplateCellsSet cells(const QRectF &) const;

        virtual void analyzeSelectedCells(bool *, bool *, int *);

        virtual QSizeF templateSize() const;

        virtual qreal templateWidth() const;

        virtual qreal templateHeight() const;


        public slots:

        void setTitleBlockTemplate(TitleBlockTemplate *);

        void selectionChanged();

        void zoomIn();

        void zoomOut();

        void zoomFit();

        void zoomReset();

        QList<TitleBlockCell *> cut();

        QList<TitleBlockCell *> copy();

        bool mayPaste();

        QList<TitleBlockCell> pastedCells();

        void paste();

        void addColumnAtEnd();

        void addRowAtEnd();

        void addColumnBefore();

        void addRowBefore();

        void addColumnAfter();

        void addRowAfter();

        void editColumn(HelperCell * = nullptr);

        void editRow(HelperCell * = nullptr);

        void deleteColumn();

        void deleteRow();

        void mergeSelectedCells();

        void splitSelectedCell();

        void refresh();

        void changePreviewWidth();

        void setPreviewWidth(int);

        void updateLayout();

        void rowsDimensionsChanged();

        void columnsDimensionsChanged();

        void updateDisplayedMinMaxWidth();

        void setReadOnly(bool);


        protected slots:

        virtual void applyColumnsWidths(bool = true);

        virtual void applyRowsHeights(bool = true);

        virtual void updateRowsHelperCells();

        virtual void updateColumnsHelperCells();


        protected:

        void drawBackground(QPainter *, const QRectF &) override;

        virtual void addCells();

        virtual void loadTemplate(TitleBlockTemplate *);

        virtual void init();

        void wheelEvent(QWheelEvent *) override;

        virtual qreal zoomFactor() const;

        virtual void fillWithEmptyCells();

        bool event(QEvent *) override;

        virtual void normalizeCells(QList<TitleBlockCell> &,

                                    int x = 0,

                                    int y = 0) const;


        signals:

        void selectedCellsChanged(QList<TitleBlockCell *>);

        void gridModificationRequested(TitleBlockTemplateCommand *);

        void previewWidthChanged(int, int);


        private:

        QList<QAction *> rowsActions() const;

        QList<QAction *> columnsActions() const;

        void updateTotalWidthLabel();

        void requestGridModification(TitleBlockTemplateCommand *);

        int lastContextMenuCellIndex() const;

        int indexOf(QGraphicsLayoutItem *);

        void removeItem(QGraphicsLayoutItem *);

        TitleBlockTemplateCellsSet makeCellsSetFromGraphicsItems(

                        const QList<QGraphicsItem *> &) const;

        QString makePrettyToolTip(const QString &);


        private slots:

        void updateLastContextMenuCell(HelperCell *);

        void adjustSceneRect();


        // attributes

        private:

        TitleBlockTemplate *tbtemplate_;

        QGraphicsGridLayout *tbgrid_;

        QGraphicsWidget *form_;

        int preview_width_;

        SplittedHelperCell *total_width_helper_cell_;

        HelperCell *extra_cells_width_helper_cell_;

        QAction *add_column_before_, *add_row_before_;

        QAction *add_column_after_, *add_row_after_;

        QAction *edit_column_dim_, *edit_row_dim_;

        QAction *delete_column_, *delete_row_;

        QAction *change_preview_width_;

        HelperCell *last_context_menu_cell_;

        int apply_columns_widths_count_;

        int apply_rows_heights_count_;

        bool first_activation_;

        bool read_only_;

};

#endif