Began implementing a WYSIWYG title block template editor.

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/branches/0.3@1405 bfdf4180-ca20-0410-9c96-a3a8aa849046
2026-01-08 06:42:34 +01:00 · 2011-12-25 17:45:39 +00:00
parent 271242d207
commit 5b2a2249af
30 changed files with 5523 additions and 242 deletions
--- a/sources/titleblock/templateview.h
+++ b/sources/titleblock/templateview.h
@@ -0,0 +1,122 @@
+/*
+	Copyright 2006-2011 Xavier Guerrin
+	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;
+
+/**
+	This QGraphicsView subclass is used in the title block template editor to
+	offer a graphical preview of the template being edited, but also to handle
+	cell selection and various actions.
+*/
+class TitleBlockTemplateView : public QGraphicsView {
+	Q_OBJECT
+	
+	// constructors, destructor
+	public:
+	TitleBlockTemplateView(QWidget * = 0);
+	TitleBlockTemplateView(QGraphicsScene *, QWidget * = 0);
+	virtual ~TitleBlockTemplateView();
+	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;
+	
+	public slots:
+	void setTitleBlockTemplate(TitleBlockTemplate *);
+	void selectionChanged();
+	void zoomIn();
+	void zoomOut();
+	void addColumnBefore();
+	void addRowBefore();
+	void addColumnAfter();
+	void addRowAfter();
+	void editColumn(HelperCell * = 0);
+	void editRow(HelperCell * = 0);
+	void deleteColumn();
+	void deleteRow();
+	void mergeSelectedCells();
+	void splitSelectedCell();
+	void refresh();
+	void changePreviewWidth();
+	void updateLayout();
+	void rowsDimensionsChanged();
+	void columnsDimensionsChanged();
+	
+	protected slots:
+	virtual void applyColumnsWidths(bool = true);
+	virtual void applyRowsHeights(bool = true);
+	virtual void updateRowsHelperCells();
+	virtual void updateColumnsHelperCells();
+	
+	protected:
+	virtual void drawBackground(QPainter *, const QRectF &);
+	virtual void addCells();
+	virtual void loadTemplate(TitleBlockTemplate *);
+	virtual void init();
+	virtual void wheelEvent(QWheelEvent *);
+	virtual qreal zoomFactor() const;
+	virtual void fillWithEmptyCells();
+	
+	signals:
+	void selectedCellsChanged(QList<TitleBlockCell *>);
+	void gridModificationRequested(TitleBlockTemplateCommand *);
+	
+	private:
+	QList<QAction *> rowsActions() const;
+	QList<QAction *> columnsActions() const;
+	void setPreviewWidth(int);
+	void updateTotalWidthLabel();
+	void requestGridModification(TitleBlockTemplateCommand *);
+	int lastContextMenuCellIndex() const;
+	int indexOf(QGraphicsLayoutItem *);
+	void removeItem(QGraphicsLayoutItem *);
+	TitleBlockTemplateCellsSet makeCellsSetFromGraphicsItems(const QList<QGraphicsItem *> &) const;
+	
+	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_;
+};
+#endif