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create/src/Mod/Drawing/App/FeatureViewSymbol.cpp

145 lines
5.6 KiB
C++

/***************************************************************************
* Copyright (c) Yorik van Havre (yorik@uncreated.net) 2013 *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <sstream>
#endif
#include <iomanip>
#include <iterator>
#include <boost/regex.hpp>
#include <Base/Exception.h>
#include <Base/FileInfo.h>
#include "FeatureViewSymbol.h"
using namespace Drawing;
using namespace std;
//===========================================================================
// FeatureViewSymbol
//===========================================================================
PROPERTY_SOURCE(Drawing::FeatureViewSymbol, Drawing::FeatureView)
FeatureViewSymbol::FeatureViewSymbol(void)
{
static const char *vgroup = "Drawing view";
ADD_PROPERTY_TYPE(Symbol,(""),vgroup,App::Prop_Hidden,"The SVG code defining this symbol");
ADD_PROPERTY_TYPE(EditableTexts,(""),vgroup,App::Prop_None,"Substitution values for the editable strings in this symbol");
}
FeatureViewSymbol::~FeatureViewSymbol()
{
}
/// get called by the container when a Property was changed
void FeatureViewSymbol::onChanged(const App::Property* prop)
{
if (prop == &Symbol) {
if (!this->isRestoring()) {
std::vector<string> eds;
std::string svg = Symbol.getValue();
if (!svg.empty()) {
boost::regex e ("<text.*?freecad:editable=\"(.*?)\".*?<tspan.*?>(.*?)</tspan>");
std::string::const_iterator tbegin, tend;
tbegin = svg.begin();
tend = svg.end();
boost::match_results<std::string::const_iterator> twhat;
while (boost::regex_search(tbegin, tend, twhat, e)) {
eds.push_back(twhat[2]);
tbegin = twhat[0].second;
}
EditableTexts.setValues(eds);
}
}
}
Drawing::FeatureView::onChanged(prop);
}
App::DocumentObjectExecReturn *FeatureViewSymbol::execute(void)
{
std::string svg = Symbol.getValue();
const std::vector<std::string>& editText = EditableTexts.getValues();
if (!editText.empty()) {
boost::regex e1 ("<text.*?freecad:editable=\"(.*?)\".*?<tspan.*?>(.*?)</tspan>");
string::const_iterator begin, end;
begin = svg.begin();
end = svg.end();
boost::match_results<std::string::const_iterator> what;
std::size_t count = 0;
std::string newsvg;
newsvg.reserve(svg.size());
while (boost::regex_search(begin, end, what, e1)) {
if (count < editText.size()) {
// change values of editable texts. Also strip the "freecad:editable"
// attribute so it isn't detected by the page
boost::regex e2 ("(<text.*?)(freecad:editable=\""+what[1].str()+"\")(.*?<tspan.*?)>(.*?)(</tspan>)");
std::back_insert_iterator<std::string> out(newsvg);
boost::regex_replace(out, begin, what[0].second, e2, "$1$3>"+editText[count]+"$5");
}
count++;
begin = what[0].second;
}
// now copy the rest
newsvg.insert(newsvg.end(), begin, end);
svg = newsvg;
}
std::stringstream result;
result << "<g transform=\"translate(" << X.getValue() << "," << Y.getValue() << ")"
<< " rotate(" << Rotation.getValue() << ")"
<< " scale(" << Scale.getValue() << ")\">" << endl
<< svg << endl
<< "</g>" << endl;
// Apply the resulting fragment
ViewResult.setValue(result.str().c_str());
return App::DocumentObject::StdReturn;
}
// Python Drawing feature ---------------------------------------------------------
namespace App {
/// @cond DOXERR
PROPERTY_SOURCE_TEMPLATE(Drawing::FeatureViewSymbolPython, Drawing::FeatureViewSymbol)
template<> const char* Drawing::FeatureViewSymbolPython::getViewProviderName(void) const {
return "DrawingGui::ViewProviderDrawingView";
}
/// @endcond
// explicit template instantiation
template class DrawingExport FeaturePythonT<Drawing::FeatureViewSymbol>;
}