diff options
Diffstat (limited to 'src/gui/models/tablemodel.h')
-rw-r--r-- | src/gui/models/tablemodel.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/gui/models/tablemodel.h b/src/gui/models/tablemodel.h new file mode 100644 index 000000000..ff752e6f1 --- /dev/null +++ b/src/gui/models/tablemodel.h @@ -0,0 +1,164 @@ +/* + * The ManaPlus Client + * Copyright (C) 2008-2009 The Mana World Development Team + * Copyright (C) 2009-2010 The Mana Developers + * Copyright (C) 2011-2014 The ManaPlus Developers + * + * This file is part of The ManaPlus Client. + * + * This program 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 + * any later version. + * + * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef GUI_MODELS_TABLEMODEL_H +#define GUI_MODELS_TABLEMODEL_H + +#include <set> +#include <vector> + +#include "localconsts.h" + +class Widget; + +class TableModelListener +{ +public: + /** + * Must be invoked by the TableModel whenever a global change is about to + * occur or has occurred (e.g., when a row or column is being removed or + * added). + * + * This method is triggered twice, once before and once after the update. + * + * \param completed whether we are signalling the end of the update + */ + virtual void modelUpdated(const bool completed) = 0; + + virtual ~TableModelListener() + { } +}; + +/** + * A model for a regular table of widgets. + */ +class TableModel +{ +public: + virtual ~TableModel() + { } + + /** + * Determines the number of rows (lines) in the table + */ + virtual int getRows() const A_WARN_UNUSED = 0; + + /** + * Determines the number of columns in each row + */ + virtual int getColumns() const A_WARN_UNUSED = 0; + + /** + * Determines the height for each row + */ + virtual int getRowHeight() const A_WARN_UNUSED = 0; + + /** + * Determines the width of each individual column + */ + virtual int getColumnWidth(const int index) const A_WARN_UNUSED = 0; + + /** + * Retrieves the widget stored at the specified location within the table. + */ + virtual Widget *getElementAt(const int row, const int column) + const A_WARN_UNUSED = 0; + + virtual void installListener(TableModelListener *const listener); + + virtual void removeListener(TableModelListener *const listener); + +protected: + TableModel() : + listeners() + { + } + + /** + * Tells all listeners that the table is about to see an update + */ + virtual void signalBeforeUpdate(); + + /** + * Tells all listeners that the table has seen an update + */ + virtual void signalAfterUpdate(); + +private: + std::set<TableModelListener *> listeners; +}; + + +class StaticTableModel final : public TableModel +{ +public: + StaticTableModel(const int width, const int height); + + A_DELETE_COPY(StaticTableModel) + + ~StaticTableModel(); + + /** + * Inserts a widget into the table model. + * The model is resized to accomodate the widget's width and height, + * unless column width / row height have been fixed. + */ + void set(const int row, const int column, Widget *const widget); + + /** + * Fixes the column width for a given column; this overrides dynamic width + * inference. + * + * Semantics are undefined for width 0. + */ + void fixColumnWidth(const int column, const int width); + + /** + * Fixes the row height; this overrides dynamic height inference. + * + * Semantics are undefined for width 0. + */ + void fixRowHeight(const int height); + + /** + * Resizes the table model + */ + void resize(); + + int getRows() const override final A_WARN_UNUSED; + int getColumns() const override final A_WARN_UNUSED; + int getRowHeight() const override final A_WARN_UNUSED; + int getWidth() const A_WARN_UNUSED; + int getHeight() const A_WARN_UNUSED; + int getColumnWidth(const int index) const override final A_WARN_UNUSED; + Widget *getElementAt(const int row, + const int column) const + override final A_WARN_UNUSED; + +protected: + int mRows, mColumns; + int mHeight; + std::vector<Widget *> mTableModel; + std::vector<int> mWidths; +}; + +#endif // GUI_MODELS_TABLEMODEL_H |