Add Mod/TechDraw/App

src/Mod/TechDraw/App/DrawViewSymbol.cpp

@@ -0,0 +1,146 @@
+/***************************************************************************
+ *   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 <boost/regex.hpp>
+
+#include <Base/Exception.h>
+#include <Base/FileInfo.h>
+#include <Base/Console.h>
+
+#include "DrawViewSymbol.h"
+
+using namespace TechDraw;
+using namespace std;
+
+
+//===========================================================================
+// DrawViewSymbol
+//===========================================================================
+
+PROPERTY_SOURCE(TechDraw::DrawViewSymbol, TechDraw::DrawView)
+
+
+DrawViewSymbol::DrawViewSymbol(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");
+    ScaleType.setValue("Custom");
+}
+
+DrawViewSymbol::~DrawViewSymbol()
+{
+}
+
+/// get called by the container when a Property was changed
+void DrawViewSymbol::onChanged(const App::Property* prop)
+{
+    if (prop == &Symbol) {
+        if (!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);
+            }
+        }
+    }
+    TechDraw::DrawView::onChanged(prop);
+}
+
+App::DocumentObjectExecReturn *DrawViewSymbol::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>)");
+                boost::re_detail::string_out_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
+    // no more ViewResult! Need to xlate SVG to Geometry object???
+    //ViewResult.setValue(result.str().c_str());
+
+    //return App::DocumentObject::StdReturn;
+    return DrawView::execute();
+}
+
+// Python Drawing feature ---------------------------------------------------------
+
+namespace App {
+/// @cond DOXERR
+PROPERTY_SOURCE_TEMPLATE(TechDraw::DrawViewSymbolPython, TechDraw::DrawViewSymbol)
+template<> const char* TechDraw::DrawViewSymbolPython::getViewProviderName(void) const {
+    return "TechDrawGui::ViewProviderSymbol";
+}
+/// @endcond
+
+// explicit template instantiation
+template class DrawingExport FeaturePythonT<TechDraw::DrawViewSymbol>;
+}