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

305 lines
12 KiB
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/***************************************************************************
* Copyright (c) Jürgen Riegel (juergen.riegel@web.de) 2002 *
* *
* 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 <fstream>
#include <iostream>
#include <iterator>
#include <sstream>
#include <boost/regex.hpp>
#endif
#include <App/Application.h>
#include <Base/Console.h>
#include <Base/FileInfo.h>
#include "FeatureClip.h"
#include "FeaturePage.h"
#include "FeatureView.h"
using namespace Drawing;
using namespace std;
//===========================================================================
// FeaturePage
//===========================================================================
PROPERTY_SOURCE(Drawing::FeaturePage, App::DocumentObjectGroup)
FeaturePage::FeaturePage(void)
: numChildren(0)
{
static const char* group = "Drawing view";
ADD_PROPERTY_TYPE(PageResult,
(nullptr),
group,
App::Prop_Output,
"Resulting SVG document of that page");
ADD_PROPERTY_TYPE(Template, (""), group, App::Prop_None, "Template for the page");
ADD_PROPERTY_TYPE(EditableTexts,
(""),
group,
App::Prop_None,
"Substitution values for the editable strings in the template");
}
FeaturePage::~FeaturePage()
{}
void FeaturePage::onBeforeChange(const App::Property* prop)
{
if (prop == &Group) {
numChildren = Group.getSize();
}
App::DocumentObjectGroup::onBeforeChange(prop);
}
/// get called by the container when a Property was changed
void FeaturePage::onChanged(const App::Property* prop)
{
if (prop == &PageResult) {
if (this->isRestoring()) {
// When loading a document the included file
// doesn't need to exist at this point.
Base::FileInfo fi(PageResult.getValue());
if (!fi.exists()) {
return;
}
}
}
else if (prop == &EditableTexts) {
if (!this->isRestoring()) {
this->execute();
return;
}
}
else if (prop == &Template) {
if (!this->isRestoring()) {
EditableTexts.setValues(getEditableTextsFromTemplate());
}
}
else if (prop == &Group) {
if (Group.getSize() != numChildren) {
numChildren = Group.getSize();
touch();
}
}
App::DocumentObjectGroup::onChanged(prop);
}
void FeaturePage::onDocumentRestored()
{
// Needs to be tmp. set because otherwise the custom text gets overridden (#0002064)
this->StatusBits.set(App::Restore); // the 'Restore' flag
Base::FileInfo templateInfo(Template.getValue());
if (!templateInfo.exists()) {
Base::FileInfo fi(Template.getValue());
if (fi.fileName().empty()) {
fi.setFile(PageResult.getValue());
}
std::string path =
App::Application::getResourceDir() + "Mod/Drawing/Templates/" + fi.fileName();
// try to find the template in user dir/Templates first
Base::FileInfo tempfi(App::Application::getUserAppDataDir() + "Templates/" + fi.fileName());
if (tempfi.exists()) {
path = tempfi.filePath();
}
Template.setValue(path);
}
this->StatusBits.reset(App::Restore); // the 'Restore' flag
}
App::DocumentObjectExecReturn* FeaturePage::execute(void)
{
std::string temp = Template.getValue();
if (temp.empty()) {
return App::DocumentObject::StdReturn;
}
Base::FileInfo fi(temp);
if (!fi.isReadable()) {
// if there is a old absolute template file set use a redirect
fi.setFile(App::Application::getResourceDir() + "Mod/Drawing/Templates/" + fi.fileName());
// try the redirect
if (!fi.isReadable()) {
Base::Console().log("FeaturePage::execute() not able to open %s!\n",
Template.getValue());
std::string error = std::string("Cannot open file ") + Template.getValue();
return new App::DocumentObjectExecReturn(error);
}
}
if (std::string(PageResult.getValue()).empty()) {
PageResult.setValue(fi.filePath().c_str());
}
// open Template file
string line;
ifstream file(fi.filePath().c_str());
// make a temp file for FileIncluded Property
string tempName = PageResult.getExchangeTempFile();
ostringstream ofile;
string tempendl = "--endOfLine--";
while (getline(file, line)) {
// check if the marker in the template is found
if (line.find("<!-- DrawingContent -->") == string::npos) {
// if not - write through
ofile << line << tempendl;
}
else {
// get through the children and collect all the views
const std::vector<App::DocumentObject*>& Grp = Group.getValues();
for (std::vector<App::DocumentObject*>::const_iterator It = Grp.begin();
It != Grp.end();
++It) {
if ((*It)->isDerivedFrom<Drawing::FeatureView>()) {
Drawing::FeatureView* View = static_cast<Drawing::FeatureView*>(*It);
if (View->Visible.getValue()) {
ofile << View->ViewResult.getValue();
ofile << tempendl << tempendl << tempendl;
}
}
else if ((*It)->isDerivedFrom<Drawing::FeatureClip>()) {
Drawing::FeatureClip* Clip = static_cast<Drawing::FeatureClip*>(*It);
if (Clip->Visible.getValue()) {
ofile << Clip->ViewResult.getValue();
ofile << tempendl << tempendl << tempendl;
}
}
else if ((*It)->isDerivedFrom<App::DocumentObjectGroup>()) {
// getting children inside subgroups too
App::DocumentObjectGroup* SubGroup =
static_cast<App::DocumentObjectGroup*>(*It);
const std::vector<App::DocumentObject*>& SubGrp = SubGroup->Group.getValues();
for (std::vector<App::DocumentObject*>::const_iterator Grit = SubGrp.begin();
Grit != SubGrp.end();
++Grit) {
if ((*Grit)->isDerivedFrom<Drawing::FeatureView>()) {
Drawing::FeatureView* SView = static_cast<Drawing::FeatureView*>(*Grit);
if (SView->Visible.getValue()) {
ofile << SView->ViewResult.getValue();
ofile << tempendl << tempendl << tempendl;
}
}
}
}
}
}
}
file.close();
// checking for freecad editable texts
string outfragment(ofile.str());
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 = outfragment.begin();
end = outfragment.end();
boost::match_results<std::string::const_iterator> what;
std::size_t count = 0;
std::string newfragment;
newfragment.reserve(outfragment.size());
while (boost::regex_search(begin, end, what, e1)) {
if (count < editText.size()) {
// change values of editable texts
boost::regex e2("(<text.*?freecad:editable=\"" + what[1].str()
+ "\".*?<tspan.*?)>(.*?)(</tspan>)");
std::back_insert_iterator<std::string> out(newfragment);
boost::regex_replace(out,
begin,
what[0].second,
e2,
"$1>" + editText[count] + "$3");
}
count++;
begin = what[0].second;
}
// now copy the rest
newfragment.insert(newfragment.end(), begin, end);
outfragment = newfragment;
}
// restoring linebreaks and saving the file
boost::regex e3("--endOfLine--");
string fmt = "\\n";
outfragment = boost::regex_replace(outfragment, e3, fmt);
ofstream outfinal(tempName.c_str());
outfinal << outfragment;
outfinal.close();
PageResult.setValue(tempName.c_str());
return App::DocumentObject::StdReturn;
}
std::vector<std::string> FeaturePage::getEditableTextsFromTemplate(void) const
{
// getting editable texts from "freecad:editable" attributes in SVG template
std::vector<string> eds;
std::string temp = Template.getValue();
if (!temp.empty()) {
Base::FileInfo tfi(temp);
if (!tfi.isReadable()) {
// if there is a old absolute template file set use a redirect
tfi.setFile(App::Application::getResourceDir() + "Mod/Drawing/Templates/"
+ tfi.fileName());
// try the redirect
if (!tfi.isReadable()) {
return eds;
}
}
string tline, tfrag;
ifstream tfile(tfi.filePath().c_str());
while (getline(tfile, tline)) {
tfrag += tline;
tfrag += "--endOfLine--";
}
tfile.close();
boost::regex e("<text.*?freecad:editable=\"(.*?)\".*?<tspan.*?>(.*?)</tspan>");
string::const_iterator tbegin, tend;
tbegin = tfrag.begin();
tend = tfrag.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;
}
}
return eds;
}