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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
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xavier
225
sources/titleblock/templatecommands.h
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225
sources/titleblock/templatecommands.h
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/*
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Copyright 2006-2011 Xavier Guerrin
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This file is part of QElectroTech.
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QElectroTech is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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QElectroTech is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef TITLEBLOCK_SLASH_TEMPLATE_COMMANDS_H
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#define TITLEBLOCK_SLASH_TEMPLATE_COMMANDS_H
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#define MODIFY_TITLE_BLOCK_CELL_COMMAND_ID 6378
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#include <QtCore>
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#include <QUndoCommand>
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#include "dimension.h"
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#include "templatecellsset.h"
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class TitleBlockTemplateView;
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class TitleBlockCell;
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class TitleBlockTemplate;
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/**
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This class represents a set of modification applied to a title block
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template cell.
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*/
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class ModifyTitleBlockCellCommand : public QUndoCommand {
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// constructor, destructor
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public:
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ModifyTitleBlockCellCommand(TitleBlockCell *, QUndoCommand * = 0);
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virtual ~ModifyTitleBlockCellCommand();
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private:
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ModifyTitleBlockCellCommand(const ModifyTitleBlockCellCommand &);
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// methods
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public:
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virtual int id() const;
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virtual bool mergeWith(const QUndoCommand *);
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virtual void undo();
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virtual void redo();
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TitleBlockCell *cell() const;
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void setCell(TitleBlockCell *);
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TitleBlockTemplateView *view() const;
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void setView(TitleBlockTemplateView *);
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void clear();
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void addModification(const QString &, const QVariant &, bool = false);
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// attributes
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private:
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TitleBlockTemplateView *view_; ///< This class may trigger a view update
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TitleBlockCell *modified_cell_; ///< modified cell
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QHash<QString, QVariant> old_values_; ///< values before the cell is modified
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QHash<QString, QVariant> new_values_; ///< values after the cell has been modified
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};
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/**
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This class is a base class for any UndoCommand that needs to work with a
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title block template.
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*/
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class TitleBlockTemplateCommand : public QUndoCommand {
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// Constructors, destructor
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public:
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TitleBlockTemplateCommand(TitleBlockTemplate * = 0, QUndoCommand * = 0);
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virtual ~TitleBlockTemplateCommand();
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private:
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TitleBlockTemplateCommand(const TitleBlockTemplateCommand &);
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// methods
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public:
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TitleBlockTemplate *titleBlockTemplate() const;
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void setTitleBlockTemplate(TitleBlockTemplate *);
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TitleBlockTemplateView *view() const;
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void setView(TitleBlockTemplateView *);
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// attributes
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protected:
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TitleBlockTemplate *tbtemplate_; ///< Modified TitleBlock Template
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TitleBlockTemplateView *view_; ///< This class may trigger a view update
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};
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/**
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This class represents the action of adding or deleting a row or column
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within a title block template.
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*/
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class ModifyTemplateGridCommand : public TitleBlockTemplateCommand {
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// static factory methods
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public:
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static ModifyTemplateGridCommand *addRow(TitleBlockTemplate *, int = -1);
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static ModifyTemplateGridCommand *addColumn(TitleBlockTemplate *, int = -1);
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static ModifyTemplateGridCommand *deleteRow(TitleBlockTemplate *, int = -1);
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static ModifyTemplateGridCommand *deleteColumn(TitleBlockTemplate *, int = -1);
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// Constructors, destructor
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public:
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ModifyTemplateGridCommand(TitleBlockTemplate * = 0, QUndoCommand * = 0);
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virtual ~ModifyTemplateGridCommand();
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private:
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ModifyTemplateGridCommand(const ModifyTemplateGridCommand &);
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// methods
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public:
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int index() const;
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void setIndex(int);
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QList<TitleBlockCell *> cells() const;
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void setCells(const QList<TitleBlockCell *> &);
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TitleBlockDimension dimension() const;
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void setDimension(const TitleBlockDimension &);
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int type() const;
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void setType(bool);
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bool isInsertion() const;
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void setInsertion(bool);
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virtual void undo();
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virtual void redo();
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private:
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void updateText();
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void apply(bool = false);
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// attributes
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private:
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int index_; ///< Index of the inserted/deleted row/column
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QList<TitleBlockCell *> cells_; ///< Cells composing the inserted/deleted row/column
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bool type_; ///< true for a row, false for a column
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TitleBlockDimension dimension_; ///< width/height of the column/row, which interpretation depends on type_
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bool insertion_; /// true if the row/column is inserted, false if it is deleted
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};
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/**
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This class represents the action of changing the width/height of a
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specific row/column within a title block template.
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*/
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class ModifyTemplateDimension : public TitleBlockTemplateCommand {
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// Constructor, destructor
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public:
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ModifyTemplateDimension(TitleBlockTemplate * = 0, QUndoCommand * = 0);
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virtual ~ModifyTemplateDimension();
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private:
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ModifyTemplateDimension(const ModifyTemplateDimension &);
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// methods
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public:
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int index() const;
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void setIndex(int);
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int type() const;
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void setType(bool);
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TitleBlockDimension dimensionBefore() const;
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void setDimensionBefore(const TitleBlockDimension &);
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TitleBlockDimension dimensionAfter() const;
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void setDimensionAfter(const TitleBlockDimension &);
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virtual void undo();
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virtual void redo();
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private:
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void updateText();
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void apply(const TitleBlockDimension &);
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// attributes
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private:
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int index_; ///< Index of the resized row/column
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bool type_; ///< true for a row, false for a column
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TitleBlockDimension before_; ///< Size of the row/column before it is changed
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TitleBlockDimension after_; ///< Size of the row/column after it is changed
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};
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/**
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This class represents the action of merging 2 to n cells into a single one.
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*/
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class MergeCellsCommand : public TitleBlockTemplateCommand {
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// Constructor, destructor
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public:
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MergeCellsCommand(const TitleBlockTemplateCellsSet &, TitleBlockTemplate * = 0, QUndoCommand * = 0);
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virtual ~MergeCellsCommand();
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// methods
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public:
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bool isValid() const;
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virtual void undo();
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virtual void redo();
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private:
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static TitleBlockCell *getBottomRightCell(const TitleBlockTemplateCellsSet &);
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// attributes
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private:
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/// the cell spanning over the other ones
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TitleBlockCell *spanning_cell_;
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/// hash associating spanned cells with their spanner_cell attribute
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/// before the merge operation
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QHash<TitleBlockCell *, TitleBlockCell *> spanner_cells_before_merge_;
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int row_span_before_; ///< the row_span attribute of the spanning cell before the merge
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int col_span_before_; ///< the col_span attribute of the spanning cell before the merge
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int row_span_after_; ///< the row_span attribute of the spanning cell after the merge
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int col_span_after_; ///< the col_span attribute of the spanning cell after the merge
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};
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/**
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This class represents the action of splitting a visual cell into at least two logical cells
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*/
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class SplitCellsCommand : public TitleBlockTemplateCommand {
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// Constructor, destructor
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public:
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SplitCellsCommand(const TitleBlockTemplateCellsSet &, TitleBlockTemplate * = 0, QUndoCommand * = 0);
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virtual ~SplitCellsCommand();
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// methods
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public:
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bool isValid() const;
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virtual void undo();
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virtual void redo();
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// attributes
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private:
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TitleBlockCell *spanning_cell_; ///< the cell spanning over the other ones
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QSet<TitleBlockCell *> spanned_cells_; ///< the spanned cells
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int row_span_before_; ///< the row_span attribute of the spanning cell after the merge
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int col_span_before_; ///< the col_span attribute of the spanning cell after the merge
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};
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#endif
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