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/***************************************************************************
* Copyright (C) 2006 by *
* Jason Kivlighn (jkivlighn@gmail.com) *
* *
* 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 *
* (at your option) any later version. *
***************************************************************************/
#include "htmlbookexporter.h"
#include <ntqfile.h>
#include <ntqstylesheet.h>
#include <kdebug.h>
#include "backends/recipedb.h"
#include "datablocks/categorytree.h"
HTMLBookExporter::HTMLBookExporter( CategoryTree *categories, const TQString& basedir, const TQString &format ) :
HTMLExporter( basedir+"/index", format ), m_categories(categories), m_basedir(basedir)
{
}
HTMLBookExporter::~HTMLBookExporter()
{
}
int HTMLBookExporter::headerFlags() const
{
return RecipeDB::Categories | RecipeDB::Title;
}
TQString HTMLBookExporter::createContent( const RecipeList& recipes )
{
RecipeList::const_iterator recipe_it;
for ( recipe_it = recipes.begin(); recipe_it != recipes.end(); ++recipe_it ) {
for ( ElementList::const_iterator cat_it = ( *recipe_it ).categoryList.begin(); cat_it != ( *recipe_it ).categoryList.end(); ++cat_it ) {
TQMap<TQString,TQTextStream*>::iterator stream_it = fileMap.find( (*cat_it).name );
(**stream_it) << "<br /><br />";
(**stream_it) << TQString("<a name=\""+(*recipe_it).title+"\" />");
(**stream_it) << HTMLExporter::createContent(*recipe_it);
(**stream_it) << TQString("[ <a href=\"#top\">Top</a> ]");
(**stream_it) << TQString("[ <a href=\"index.html\">Back</a> ]");
(**stream_it) << "<br /><br />";
}
}
return TQString::null;
}
TQString HTMLBookExporter::createHeader( const RecipeList &list )
{
TQString output = HTMLExporter::createHeader(list);
TQString catLinks;
TQTextStream catLinksStream(&catLinks,IO_WriteOnly);
createCategoryStructure(catLinksStream,list);
return output+"<h1>Krecipes Recipes</h1><div>"+catLinks+"</li></ul></div>";
}
TQString HTMLBookExporter::createFooter()
{
TQMap<TQString,TQTextStream*>::const_iterator it;
for ( it = fileMap.begin(); it != fileMap.end(); ++it ) {
(**it) << HTMLExporter::createFooter();
(*it)->device()->close();
//does it matter the order of deletion here?
TQIODevice *file = (*it)->device();
delete *it;
delete file;
}
TQString output = HTMLExporter::createFooter();
return output;
}
void HTMLBookExporter::createCategoryStructure( TQTextStream &xml, const RecipeList &recipes )
{
TQValueList<int> categoriesUsed;
for ( RecipeList::const_iterator recipe_it = recipes.begin(); recipe_it != recipes.end(); ++recipe_it ) {
for ( ElementList::const_iterator cat_it = ( *recipe_it ).categoryList.begin(); cat_it != ( *recipe_it ).categoryList.end(); ++cat_it ) {
TQMap<TQString,TQTextStream*>::iterator stream_it = fileMap.find( (*cat_it).name );
if ( categoriesUsed.find( ( *cat_it ).id ) == categoriesUsed.end() ) {
categoriesUsed << ( *cat_it ).id;
TQString catPageName = m_basedir+"/"+escape((*cat_it).name)+".html";
TQFile *catPage = new TQFile( catPageName );
catPage->open( IO_WriteOnly );
TQTextStream *stream = new TQTextStream( catPage );
stream->setEncoding( TQTextStream::UnicodeUTF8 );
(*stream) << HTMLExporter::createHeader(recipes);
(*stream) << TQString("<a name=\"top\" />");
(*stream) << "<h1>"<<(*cat_it).name<<"</h1>";
stream_it = fileMap.insert((*cat_it).name,stream);
}
(**stream_it) << TQString("[ <a href=\"#" + (*recipe_it).title + "\">" + (*recipe_it).title + "</a> ]");
}
}
if ( !categoriesUsed.empty() ) {
//only keep the relevant category structure
removeIfUnused( categoriesUsed, m_categories );
xml << "<ul>\n";
writeCategoryStructure( xml, m_categories );
xml << "</ul>\n";
}
}
bool HTMLBookExporter::removeIfUnused( const TQValueList<int> &cat_ids, CategoryTree *parent, bool parent_should_show )
{
for ( CategoryTree * it = parent->firstChild(); it; it = it->nextSibling() ) {
if ( cat_ids.find( it->category.id ) != cat_ids.end() ) {
parent_should_show = true;
removeIfUnused( cat_ids, it, true ); //still recurse, but doesn't affect 'parent'
}
else {
bool result = removeIfUnused( cat_ids, it );
if ( parent_should_show == false )
parent_should_show = result;
}
}
if ( !parent_should_show && parent->category.id != -1 ) {
//FIXME: CategoryTree is broken when deleting items
//delete parent;
parent->category.id = -2; //temporary workaround
}
return parent_should_show;
}
void HTMLBookExporter::writeCategoryStructure( TQTextStream &xml, const CategoryTree *categoryTree )
{
if ( categoryTree->category.id != -2 ) {
if ( categoryTree->category.id != -1 ) {
TQString catPageName = TQStyleSheet::escape(categoryTree->category.name)+".html";
xml << "\t<li>\n\t\t<a href=\""+catPageName+"\">"+TQStyleSheet::escape( categoryTree->category.name ).replace("\"",""") + "</a>\n";
}
for ( CategoryTree * child_it = categoryTree->firstChild(); child_it; child_it = child_it->nextSibling() ) {
if ( categoryTree->parent() != 0 )
xml << "<ul>\n";
writeCategoryStructure( xml, child_it );
if ( categoryTree->parent() != 0 )
xml << "</ul>\n";
}
if ( categoryTree->category.id != -1 )
xml << "\t</li>\n";
}
}
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