FreeCAD/src/Mod/TechDraw/App/DrawViewDraft.cpp
2016-07-11 15:32:16 +02:00

134 lines
5.2 KiB
C++

/***************************************************************************
* Copyright (c) WandererFan - 2016 (wandererfan@gmail.com) *
* *
* 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 <Base/Console.h>
#include <Base/Exception.h>
#include <Base/FileInfo.h>
#include <Base/Interpreter.h>
#include "DrawViewDraft.h"
using namespace TechDraw;
using namespace std;
//===========================================================================
// DrawViewDraft
//===========================================================================
PROPERTY_SOURCE(TechDraw::DrawViewDraft, TechDraw::DrawViewSymbol)
DrawViewDraft::DrawViewDraft(void)
{
static const char *group = "Draft view";
ADD_PROPERTY_TYPE(Source ,(0),group,App::Prop_None,"Draft object for this view");
ADD_PROPERTY_TYPE(LineScale,(1.0),group,App::Prop_None,"Line width adjustment factor for this view");
ADD_PROPERTY_TYPE(FontSize,(12.0),group,App::Prop_None,"Text size for this view");
ScaleType.setValue("Custom");
}
DrawViewDraft::~DrawViewDraft()
{
}
void DrawViewDraft::onChanged(const App::Property* prop)
{
if (!isRestoring()) {
if (prop == &Source ||
prop == &LineScale ||
prop == &FontSize) {
try {
App::DocumentObjectExecReturn *ret = recompute();
delete ret;
}
catch (...) {
}
}
}
TechDraw::DrawViewSymbol::onChanged(prop);
}
App::DocumentObjectExecReturn *DrawViewDraft::execute(void)
{
App::DocumentObject* sourceObj = Source.getValue();
if (sourceObj) {
std::string svgFrag;
std::string svgHead = getSVGHead();
std::string svgTail = getSVGTail();
std::string FeatName = getNameInDocument();
std::string SourceName = sourceObj->getNameInDocument();
std::stringstream paramStr;
paramStr << ",scale=" << LineScale.getValue() << ",fontsize=" << FontSize.getValue();
// this is ok for a starting point, but should eventually make dedicated Draft functions that build the svg for all the special cases
// (Arch section, etc)
// like Draft.makeDrawingView, but we don't need to create the actual document objects in Draft, just the svg.
Base::Interpreter().runString("import Draft");
Base::Interpreter().runStringArg("svgBody = Draft.getSVG(App.activeDocument().%s %s)",
SourceName.c_str(),paramStr.str().c_str());
// Base::Interpreter().runString("print svgBody");
Base::Interpreter().runStringArg("App.activeDocument().%s.Symbol = '%s' + svgBody + '%s'",
FeatName.c_str(),svgHead.c_str(),svgTail.c_str());
}
return DrawView::execute();
}
std::string DrawViewDraft::getSVGHead(void)
{
std::string head = std::string("<svg\\n") +
std::string(" xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\"\\n") +
std::string(" xmlns:freecad=\"http://www.freecadweb.org/wiki/index.php?title=Svg_Namespace\">\\n");
return head;
}
std::string DrawViewDraft::getSVGTail(void)
{
std::string tail = "\\n</svg>";
return tail;
}
// Python Drawing feature ---------------------------------------------------------
namespace App {
/// @cond DOXERR
PROPERTY_SOURCE_TEMPLATE(TechDraw::DrawViewDraftPython, TechDraw::DrawViewDraft)
template<> const char* TechDraw::DrawViewDraftPython::getViewProviderName(void) const {
return "TechDrawGui::ViewProviderSymbol";
}
/// @endcond
// explicit template instantiation
template class TechDrawExport FeaturePythonT<TechDraw::DrawViewDraft>;
}