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Add Mod/TechDraw/App

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WandererFan
2016-01-14 15:59:03 -05:00
committed by wmayer
parent 74f536c820
commit d24e9be1bf
58 changed files with 9062 additions and 0 deletions
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src/Mod/TechDraw/App/DrawView.cpp Normal file
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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 <sstream>
# include <Standard_Failure.hxx>
#endif
#include <strstream>
#include <Base/Writer.h>
#include <Base/Reader.h>
#include <Base/Exception.h>
#include <Base/FileInfo.h>
#include <Base/Console.h>
#include "DrawView.h"
#include "DrawPage.h"
#include "DrawViewCollection.h"
#include "DrawViewClip.h"
using namespace TechDraw;
//===========================================================================
// DrawView
//===========================================================================
const char* DrawView::ScaleTypeEnums[]= {"Document",
"Automatic",
"Custom",
NULL};
PROPERTY_SOURCE(TechDraw::DrawView, App::DocumentObject)
DrawView::DrawView(void)
{
static const char *group = "Drawing view";
ADD_PROPERTY_TYPE(X ,(0),group,App::Prop_None,"X position of the view on the page in modelling units (mm)");
ADD_PROPERTY_TYPE(Y ,(0),group,App::Prop_None,"Y position of the view on the page in modelling units (mm)");
ADD_PROPERTY_TYPE(Scale ,(1.0),group,App::Prop_None,"Scale factor of the view");
ADD_PROPERTY_TYPE(Rotation ,(0),group,App::Prop_None,"Rotation of the view on the page in degrees counterclockwise");
// The 'Visible' property is handled by the view provider exclusively. It has the 'Output' flag set to
// avoid to call the execute() method. The view provider touches the page object, instead.
App::PropertyType propType = static_cast<App::PropertyType>(App::Prop_Hidden|App::Prop_Output);
ADD_PROPERTY_TYPE(Visible, (true),group,propType,"Control whether view is visible in page object");
ScaleType.setEnums(ScaleTypeEnums);
ADD_PROPERTY_TYPE(ScaleType,((long)0),group, App::Prop_None, "Scale Type");
}
DrawView::~DrawView()
{
}
App::DocumentObjectExecReturn *DrawView::recompute(void)
{
try {
return App::DocumentObject::recompute();
}
catch (Standard_Failure) {
Handle_Standard_Failure e = Standard_Failure::Caught();
App::DocumentObjectExecReturn* ret = new App::DocumentObjectExecReturn(e->GetMessageString());
if (ret->Why.empty()) ret->Why = "Unknown OCC exception";
return ret;
}
}
App::DocumentObjectExecReturn *DrawView::execute(void)
{
if (ScaleType.isValue("Document")) {
Scale.StatusBits.set(2, true);
TechDraw::DrawPage *page = findParentPage();
if(page) {
if(std::abs(page->Scale.getValue() - Scale.getValue()) > FLT_EPSILON) {
Scale.setValue(page->Scale.getValue()); // Recalculate scale from page
Scale.touch();
}
}
} else if (ScaleType.isValue("Custom")) {
Scale.StatusBits.set(2, false);
//TODO: need to ?recompute? ?redraw? to get this to stick. Mantis #1941
//TODO: try Gui::Selection to force update
//currently need to lose focus and re-get focus to make Scale editable.
//Scale.touch(); // causes loop
}
return App::DocumentObject::execute();
}
/// get called by the container when a Property was changed
void DrawView::onChanged(const App::Property* prop)
{
if (prop == &X ||
prop == &Y ||
prop == &ScaleType ||
prop == &Rotation) {
if (!isRestoring()) {
DrawView::execute();
}
}
App::DocumentObject::onChanged(prop);
}
void DrawView::onDocumentRestored()
{
// Rebuild the view
execute();
}
DrawPage* DrawView::findParentPage() const
{
// Get Feature Page
DrawPage *page = 0;
DrawViewCollection *collection = 0;
std::vector<App::DocumentObject*> parent = getInList();
for (std::vector<App::DocumentObject*>::iterator it = parent.begin(); it != parent.end(); ++it) {
if ((*it)->getTypeId().isDerivedFrom(DrawPage::getClassTypeId())) {
page = dynamic_cast<TechDraw::DrawPage *>(*it);
}
if ((*it)->getTypeId().isDerivedFrom(DrawViewCollection::getClassTypeId())) {
collection = dynamic_cast<TechDraw::DrawViewCollection *>(*it);
page = collection->findParentPage();
}
if(page)
break; // Found page so leave
}
return page;
}
bool DrawView::isInClip()
{
std::vector<App::DocumentObject*> parent = getInList();
for (std::vector<App::DocumentObject*>::iterator it = parent.begin(); it != parent.end(); ++it) {
if ((*it)->getTypeId().isDerivedFrom(DrawViewClip::getClassTypeId())) {
return true;
}
}
return false;
}
// Python Drawing feature ---------------------------------------------------------
namespace App {
/// @cond DOXERR
PROPERTY_SOURCE_TEMPLATE(TechDraw::DrawViewPython, TechDraw::DrawView)
template<> const char* TechDraw::DrawViewPython::getViewProviderName(void) const {
return "TechDrawGui::ViewProviderView";
}
/// @endcond
// explicit template instantiation
template class DrawingExport FeaturePythonT<TechDraw::DrawView>;
}