function ddb_exportChartLayers(handles)
%DDB_EXPORTCHARTLAYERS  One line description goes here.
%
%   More detailed description goes here.
%
%   Syntax:
%   ddb_exportChartLayers(handles)
%
%   Input:
%   handles =
%
%
%
%
%   Example
%   ddb_exportChartLayers
%
%   See also

%% Copyright notice
%   --------------------------------------------------------------------
%   Copyright (C) 2011 Deltares
%       Maarten van Ormondt
%
%       Maarten.vanOrmondt@deltares.nl
%
%       P.O. Box 177
%       2600 MH Delft
%       The Netherlands
%
%   This library 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.
%
%   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 General Public License for more details.
%
%   You should have received a copy of the GNU General Public License
%   along with this library.  If not, see <http://www.gnu.org/licenses/>.
%   --------------------------------------------------------------------

% This tool is part of <a href="http://www.OpenEarth.eu">OpenEarthTools</a>.
% OpenEarthTools is an online collaboration to share and manage data and
% programming tools in an open source, version controlled environment.
% Sign up to recieve regular updates of this function, and to contribute
% your own tools.

%% Version <http://svnbook.red-bean.com/en/1.5/svn.advanced.props.special.keywords.html>
% Created: 02 Dec 2011
% Created with Matlab version: 7.11.0.584 (R2010b)

% $Id: $
% $Date: $
% $Author: $
% $Revision: $
% $HeadURL: $
% $Keywords: $

%%
[filename, pathname, filterindex] = uiputfile('*.ldb', 'Select Ldb File','');
if pathname~=0
    curdir=[lower(cd) '\'];
    if ~strcmpi(curdir,pathname)
        filename=[pathname filename];
    end
    
    wb=waitbox('Exporting Ldb File ...');
    
    orisys.Name='WGS 84';
    orisys.Type='geographic';
    
    newsys=handles.CoordinateSystem;
    
    s=handles.NavigationCharts.Layers;
    
    h=findobj(gcf,'Tag','NavigationChartLayer');
    if ~isempty(h)
        delete(h);
    end
    
    fn=fieldnames(s);
    nf=length(fn);
    
    npol=0;
    
    for i=1:nf
        n=length(s.(fn{i}));
        for j=1:n
            if isfield(s.(fn{i})(j),'Type')
                if ~isempty(lower(s.(fn{i})(j).Type))
                    switch(lower(s.(fn{i})(j).Type))
                        case{'polygon'}
                            if isfield(s.(fn{i})(j),'Outer')
                                np=length(s.(fn{i})(j).Outer);
                                for k=1:np
                                    x=s.(fn{i})(j).Outer(k).Coordinates(:,1);
                                    y=s.(fn{i})(j).Outer(k).Coordinates(:,2);
                                end
                                switch(fn{i})
                                    case{'LNDARE'}
                                        x(isnan(y))=NaN;
                                        y(isnan(x))=NaN;
                                        [x,y]=ddb_coordConvert(x,y,orisys,newsys);
                                        npol=npol+1;
                                        xpol{npol}=x;
                                        ypol{npol}=y;
                                        %                                     ptch=patch(x,y,'y');hold on;
                                        %                                     set(ptch,'Tag','NavigationChartLayer','UserData',fn{i});
                                        %                                     if s.(fn{i})(j).Plot
                                        %                                         set(ptch,'Visible','on');
                                        %                                     else
                                        %                                         set(ptch,'Visible','off');
                                        %                                     end
                                        
                                        %                                     set(ptch,'EdgeColor','none','FaceColor',[0.7 0.8 0.7]);
                                        %                                 case{'SEAARE'}
                                        %                                     x(isnan(y))=NaN;
                                        %                                     y(isnan(x))=NaN;
                                        %                                     ptch=patch(x,y,'y');hold on;
                                        %                                     set(ptch,'EdgeColor','none','FaceColor',[0.9 0.9 0.95]);
                                        %                                    set(ptch,'Tag','NavigationChartLayer','UserData',fn{i});
                                        %                                 otherwise
                                        %                                     plot(x,y,'k');hold on;
                                end
                            end
                            if isfield(s.(fn{i})(j),'Inner')
                                np=length(s.(fn{i})(j).Inner);
                                for k=1:np
                                    x=s.(fn{i})(j).Inner(k).Coordinates(:,1);
                                    y=s.(fn{i})(j).Inner(k).Coordinates(:,2);
                                end
                                switch(fn{i})
                                    case{'LNDARE'}
                                        x(isnan(y))=NaN;
                                        y(isnan(x))=NaN;
                                        [x,y]=ddb_coordConvert(x,y,orisys,newsys);
                                        npol=npol+1;
                                        xpol{npol}=x;
                                        ypol{npol}=y;
                                        
                                        %                                     ptch=patch(x,y,'y');hold on;
                                        %                                     set(ptch,'Tag','NavigationChartLayer','UserData',fn{i});
                                        %                                     if s.(fn{i})(j).Plot
                                        %                                         set(ptch,'Visible','on');
                                        %                                     else
                                        %                                         set(ptch,'Visible','off');
                                        %                                     end
                                        %                                     set(ptch,'EdgeColor','none','FaceColor',[0.7 0.8 0.7]);
                                        %                                 case{'SEAARE'}
                                        %                                     x(isnan(y))=NaN;
                                        %                                     y(isnan(x))=NaN;
                                        %                                     ptch=patch(x,y,'y');hold on;
                                        %                                     set(ptch,'EdgeColor','none','FaceColor',[0.8 0.8 0.9]);
                                        %                                     set(ptch,'Tag','NavigationChartLayer','UserData',fn{i});
                                        %                                 otherwise
                                        %                                     plot(x,y,'k');hold on;
                                end
                            end
                            %                     case{'point'}
                            %                         x=s.(fn{i})(j).Coordinates(:,1);
                            %                         y=s.(fn{i})(j).Coordinates(:,2);
                            %                         plt=plot(x,y,'.');hold on;
                            %                         set(plt,'MarkerSize',5,'MarkerEdgeColor','k','MarkerFaceColor','k');
                            %                         set(plt,'Tag','NavigationChartLayer','UserData',fn{i});
                            %                         if s.(fn{i})(j).Plot
                            %                             set(plt,'Visible','on');
                            %                         else
                            %                             set(plt,'Visible','off');
                            %                         end
                            %                     case{'polyline'}
                            %                         x=s.(fn{i})(j).Coordinates(:,1);
                            %                         y=s.(fn{i})(j).Coordinates(:,2);
                            %                         plt=plot(x,y,'k');hold on;
                            %                         set(plt,'Tag','NavigationChartLayer','UserData',fn{i});
                            %                         if s.(fn{i})(j).Plot
                            %                             set(plt,'Visible','on');
                            %                         else
                            %                             set(plt,'Visible','off');
                            %                         end
                            %                     case{'multipoint'}
                            %                         x=s.(fn{i})(j).Coordinates(:,1);
                            %                         y=s.(fn{i})(j).Coordinates(:,2);
                            %                         sz=zeros(size(x))+5;
                            %                         c=-s.(fn{i})(j).Coordinates(:,3);
                            %                         sc=scatter(x,y,sz,c,'filled');hold on;
                            %                         set(sc,'Tag','NavigationChartLayer','UserData',fn{i});
                            %                         if s.(fn{i})(j).Plot
                            %                             set(sc,'Visible','on');
                            %                         else
                            %                             set(sc,'Visible','off');
                            %                         end
                    end
                    %                 if isfield(s.(fn{i})(j),'OBJNAM')
                    %                     name=['  ' s.(fn{i})(j).OBJNAM];
                    %                     if ~isempty(name)
                    %                         xt=mean(x);
                    %                         yt=mean(y);
                    %                         tx=text(xt,yt,name);
                    %                         set(tx,'FontSize',6);
                    %                         set(tx,'Tag','NavigationChartLayer','UserData',fn{i});
                    %                         if s.(fn{i})(j).Plot
                    %                             set(tx,'Visible','on');
                    %                         else
                    %                             set(tx,'Visible','off');
                    %                         end
                    %                     end
                    %                 end
                end
            end
        end
    end
    
    fid=fopen(filename,'wt');
    for j=1:npol
        xpol{j}(isnan(xpol{j}))=-999.0;
        ypol{j}(isnan(ypol{j}))=-999.0;
        np=length(xpol{j});
        fprintf(fid,'%s\n',['BL' num2str(j,'%0.5i')]);
        fprintf(fid,'%s\n',[num2str(np) ' ' num2str(2)]);
        for k=1:np
            fprintf(fid,'%16.8e %16.8e\n',xpol{j}(k),ypol{j}(k));
        end
    end
    fclose(fid);
    
    close(wb);
    
end

