grid.h

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/*
  libwt - Vassilis Virvilis Toolkit - a widget library
  Copyright (C) 2006 Vassilis Virvilis <vasvir2@fastmail.fm>
 
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
  
  This library 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
  Lesser General Public License for more details.
  
  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the
  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  Boston, MA  02111-1307, SA.
*/

#ifndef WT_GRID_H
#define WT_GRID_H

#include <wt/frame.h>
#include <wt/gridlayout.h>

namespace Wt {

class Grid : public Frame {
public:
    Grid(Widget *parent = 0,
         const std::string &name = "Grid::anon", int wflags = 0) :
    Frame(parent, name, wflags) {
        new GridLayout(this);
        gridLayout().autoAdd = true;
    }

    Grid& operator()(int row_from, int row_to,
                     int column_from, int column_to) {
        cs.setFromTo(row_from, row_to, column_from, column_to);
        return *this;
    }

    Grid& operator()(int row, int column) {
        cs.setSpan(row, column);
        return *this;
    }

    Grid& operator=(LayoutItem *li) {
        assert(cs.isValid());
        cs.setLayoutItem(li);
        gridLayout().cellSpanQueue.push(cs);
        gridLayout().addItem(li);
        cs.invalidate();
        return *this;
    }

    template <typename T>
    T cell(int row, int column) const {
        LayoutItem *li = gridLayout()(row, column);
        return dynamic_cast<T>(li);
    }

    int numRows() const {
        return gridLayout().numRows();
    }

    int numCols() const {
        return gridLayout().numCols();
    }

protected:
    GridLayout& gridLayout() const {
        return *dynamic_cast<GridLayout *>(layout());
    }

private:
    GridLayout::CellSpan cs;
};

}

#endif // WT_GRID_H

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Generated Fri Jul 28 19:23:00 2006.
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This document is licensed under the terms of the GNU Free Documentation License and may be freely distributed under the conditions given by this license.