/* * 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_WIDGETS_TABLEMODEL_H #define GUI_WIDGETS_TABLEMODEL_H #include <set> #include <vector> #include "localconsts.h" namespace gcn { 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 gcn::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, gcn::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; gcn::Widget *getElementAt(const int row, const int column) const override final A_WARN_UNUSED; protected: int mRows, mColumns; int mHeight; std::vector<gcn::Widget *> mTableModel; std::vector<int> mWidths; }; #endif // GUI_WIDGETS_TABLEMODEL_H