KissCount/src/view/grid/wxGridCellTreeButtonRenderer.cpp

/*
  Copyright 2010-2011 Grégory Soutadé

  This file is part of KissCount.

  KissCount 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 3 of the License, or
  (at your option) any later version.

  KissCount 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 KissCount.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "wxGridCellTreeButtonRenderer.h"

wxGridCellTreeButtonRenderer::wxGridCellTreeButtonRenderer(bool collapsed) : _collapsed(collapsed)
{

}

wxGridCellRenderer* wxGridCellTreeButtonRenderer::Clone () const
{
    return new wxGridCellTreeButtonRenderer(_collapsed);
}

bool wxGridCellTreeButtonRenderer::IsCollapsed()
{
    return _collapsed;
}

void wxGridCellTreeButtonRenderer::Invert()
{
    _collapsed = !_collapsed;
}

void wxGridCellTreeButtonRenderer::Draw (wxGrid &grid, wxGridCellAttr &attr, wxDC &dc, const wxRect &_rect, int row, int col, bool isSelected)
{
    wxRect rect = _rect;

    wxBrush originalBrush = dc.GetBrush();
    wxPen originalPen = dc.GetPen();

    dc.SetPen(wxPen(grid.GetCellBackgroundColour(row, col)));
    dc.SetBrush(wxBrush(grid.GetCellBackgroundColour(row, col)));
    dc.DrawRectangle(rect);

    rect.x += 4 ;
    rect.y += 4 ;
    rect.width  -= 8 ;
    rect.height -= 8 ;
    
    if (rect.width > rect.height)
	rect.width = rect.height;
    else if (rect.height > rect.width)
	rect.height = rect.width;

    dc.SetPen(wxPen(*wxBLACK));

    dc.DrawLine(rect.x, rect.y, rect.x + rect.width, rect.y);
    dc.DrawLine(rect.x, rect.y, rect.x, rect.y + rect.height);

    dc.DrawLine(rect.x, rect.y + rect.height, rect.x + rect.width + 1, rect.y + rect.height);
    dc.DrawLine(rect.x + rect.width, rect.y, rect.x + rect.width, rect.y + rect.height);

    rect.x += 2 ;
    rect.y += 2 ;
    rect.width  -= 4 ;
    rect.height -= 4 ;

    dc.DrawLine(rect.x+1, rect.y + rect.height/2, rect.x + rect.width + 1, rect.y + rect.height/2);	

    if (!_collapsed)
	dc.DrawLine(rect.x + rect.width/2 + 1, rect.y, rect.x + rect.width/2 + 1, rect.y + rect.height);
}

wxSize wxGridCellTreeButtonRenderer::GetBestSize (wxGrid &grid, wxGridCellAttr &attr, wxDC &dc, int row, int col)
{
    return wxSize(8, 8);
}