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authorAndrei Karas <akaras@inbox.ru>2011-01-02 01:48:38 +0200
committerAndrei Karas <akaras@inbox.ru>2011-01-02 02:41:24 +0200
commit3eeae12c498d1a4dbe969462d2ba841f77ee3ccb (patch)
treeff8eab35e732bc0749fc11677c8873a7b3a58704 /src/gui/widgets/tablemodel.h
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Initial commit.
This code based on mana client http://www.gitorious.org/mana/mana and my private repository.
Diffstat (limited to 'src/gui/widgets/tablemodel.h')
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+/*
+ * The Mana Client
+ * Copyright (C) 2008-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ *
+ * This file is part of The Mana 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 TABLE_MODEL_H
+#define TABLE_MODEL_H
+
+#include <guichanfwd.h>
+
+#include <set>
+#include <vector>
+
+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(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 = 0;
+
+ /**
+ * Determines the number of columns in each row
+ */
+ virtual int getColumns() const = 0;
+
+ /**
+ * Determines the height for each row
+ */
+ virtual int getRowHeight() const = 0;
+
+ /**
+ * Determines the width of each individual column
+ */
+ virtual int getColumnWidth(int index) const = 0;
+
+ /**
+ * Retrieves the widget stored at the specified location within the table.
+ */
+ virtual gcn::Widget *getElementAt(int row, int column) const = 0;
+
+ virtual void installListener(TableModelListener *listener);
+
+ virtual void removeListener(TableModelListener *listener);
+
+protected:
+ /**
+ * 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 : public TableModel
+{
+public:
+ StaticTableModel(int width, int height);
+ virtual ~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.
+ */
+ virtual void set(int row, int column, gcn::Widget *widget);
+
+ /**
+ * Fixes the column width for a given column; this overrides dynamic width
+ * inference.
+ *
+ * Semantics are undefined for width 0.
+ */
+ virtual void fixColumnWidth(int column, int width);
+
+ /**
+ * Fixes the row height; this overrides dynamic height inference.
+ *
+ * Semantics are undefined for width 0.
+ */
+ virtual void fixRowHeight(int height);
+
+ /**
+ * Resizes the table model
+ */
+ virtual void resize();
+
+ virtual int getRows() const;
+ virtual int getColumns() const;
+ virtual int getRowHeight() const;
+ virtual int getWidth() const;
+ virtual int getHeight() const;
+ virtual int getColumnWidth(int index) const;
+ virtual gcn::Widget *getElementAt(int row, int column) const;
+
+protected:
+ int mRows, mColumns;
+ int mHeight;
+ std::vector<gcn::Widget *> mTableModel;
+ std::vector<int> mWidths;
+};
+
+#endif // TABLE_MODEL_H