From 32bc15a1d1aee30f5a259b1648f8d82a5e837ff7 Mon Sep 17 00:00:00 2001 From: Andrei Karas Date: Sat, 22 Feb 2014 17:25:28 +0300 Subject: Move tablemodel into gui/models directory. --- src/gui/models/tablemodel.cpp | 180 ++++++++++++++++++++++++++++++++++++++++++ src/gui/models/tablemodel.h | 164 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 344 insertions(+) create mode 100644 src/gui/models/tablemodel.cpp create mode 100644 src/gui/models/tablemodel.h (limited to 'src/gui/models') diff --git a/src/gui/models/tablemodel.cpp b/src/gui/models/tablemodel.cpp new file mode 100644 index 000000000..aad66a6ad --- /dev/null +++ b/src/gui/models/tablemodel.cpp @@ -0,0 +1,180 @@ +/* + * 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 . + */ + +#include "gui/models/tablemodel.h" + +#include "utils/dtor.h" + +#include "gui/widgets/widget.h" + +#include "debug.h" + +void TableModel::installListener(TableModelListener *const listener) +{ + if (listener) + listeners.insert(listener); +} + +void TableModel::removeListener(TableModelListener *const listener) +{ + if (listener) + listeners.erase(listener); +} + +void TableModel::signalBeforeUpdate() +{ + for (std::set::const_iterator it = listeners.begin(); + it != listeners.end(); ++it) + { + (*it)->modelUpdated(false); + } +} + +void TableModel::signalAfterUpdate() +{ + for (std::set::const_iterator it = listeners.begin(); + it != listeners.end(); ++it) + { + if (*it) + (*it)->modelUpdated(true); + } +} + + +#define WIDGET_AT(row, column) (((row) * mColumns) + (column)) +#define DYN_SIZE(h) ((h) >= 0) + +StaticTableModel::StaticTableModel(const int row, const int column) : + TableModel(), + mRows(row), + mColumns(column), + mHeight(1), + mTableModel(), + mWidths() +{ + mTableModel.resize(row * column, nullptr); + mWidths.resize(column, 1); +} + +StaticTableModel::~StaticTableModel() +{ + delete_all(mTableModel); + mTableModel.clear(); +} + +void StaticTableModel::resize() +{ + mRows = getRows(); + mColumns = getColumns(); + mTableModel.resize(mRows * mColumns, nullptr); +} + +void StaticTableModel::set(const int row, const int column, + Widget *const widget) +{ + if (!widget || row >= mRows || row < 0 + || column >= mColumns || column < 0) + { + // raise exn? + return; + } + + if (DYN_SIZE(mHeight) + && widget->getHeight() > mHeight) + { + mHeight = widget->getHeight(); + } + + if (DYN_SIZE(mWidths[column]) + && widget->getWidth() > mWidths[column]) + { + mWidths[column] = widget->getWidth(); + } + + signalBeforeUpdate(); + + delete mTableModel[WIDGET_AT(row, column)]; + + mTableModel[WIDGET_AT(row, column)] = widget; + + signalAfterUpdate(); +} + +Widget *StaticTableModel::getElementAt(const int row, + const int column) const +{ + return mTableModel[WIDGET_AT(row, column)]; +} + +void StaticTableModel::fixColumnWidth(const int column, const int width) +{ + if (width < 0 || column < 0 || column >= mColumns) + return; + + mWidths[column] = -width; // Negate to tag as fixed +} + +void StaticTableModel::fixRowHeight(const int height) +{ + if (height < 0) + return; + + mHeight = -height; +} + +int StaticTableModel::getRowHeight() const +{ + return abs(mHeight); +} + +int StaticTableModel::getColumnWidth(const int column) const +{ + if (column < 0 || column >= mColumns) + return 0; + + return abs(mWidths[column]); +} + +int StaticTableModel::getRows() const +{ + return mRows; +} + +int StaticTableModel::getColumns() const +{ + return mColumns; +} + +int StaticTableModel::getWidth() const +{ + int width = 0; + + for (size_t i = 0, sz = mWidths.size(); i < sz; i++) + width += mWidths[i]; + + return width; +} + +int StaticTableModel::getHeight() const +{ + return mColumns * mHeight; +} 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 . + */ + +#ifndef GUI_MODELS_TABLEMODEL_H +#define GUI_MODELS_TABLEMODEL_H + +#include +#include + +#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 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 mTableModel; + std::vector mWidths; +}; + +#endif // GUI_MODELS_TABLEMODEL_H -- cgit v1.2.3-60-g2f50