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authorAndrei Karas <akaras@inbox.ru>2014-02-22 17:25:28 +0300
committerAndrei Karas <akaras@inbox.ru>2014-02-22 17:25:28 +0300
commit32bc15a1d1aee30f5a259b1648f8d82a5e837ff7 (patch)
treebfb410cae5135256fae99c49da4eeaec554f774a /src/gui/models/tablemodel.h
parent23e954851812b1121d6f3d98a6b7b396bca17dc9 (diff)
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Move tablemodel into gui/models directory.
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diff --git a/src/gui/models/tablemodel.h b/src/gui/models/tablemodel.h
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+/*
+ * 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