294 lines
9.8 KiB
C++
294 lines
9.8 KiB
C++
/***************************************************************************
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* Copyright (c) 2014 Luke Parry <l.parry@warwick.ac.uk> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <sstream>
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#endif
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#include <gp_Ax2.hxx>
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#include <gp_Ax3.hxx>
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#include <gp_Trsf.hxx>
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#include <App/Application.h>
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#include <App/DocumentObject.h>
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#include <Base/Console.h>
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#include "GeometryObject.h"
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#include "DrawUtil.h"
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#include "DrawPage.h"
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#include "DrawProjGroup.h"
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#include "DrawProjGroupItem.h"
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#include <Mod/TechDraw/App/DrawProjGroupItemPy.h> // generated from DrawProjGroupItemPy.xml
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using namespace TechDraw;
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const char* DrawProjGroupItem::TypeEnums[] = {"Front",
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"Left",
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"Right",
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"Rear",
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"Top",
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"Bottom",
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"FrontTopLeft",
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"FrontTopRight",
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"FrontBottomLeft",
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"FrontBottomRight",
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NULL};
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PROPERTY_SOURCE(TechDraw::DrawProjGroupItem, TechDraw::DrawViewPart)
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DrawProjGroupItem::DrawProjGroupItem(void)
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{
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Type.setEnums(TypeEnums);
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ADD_PROPERTY(Type, ((long)0));
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ADD_PROPERTY_TYPE(RotationVector ,(1.0,0.0,0.0) ,"Base",App::Prop_None,"Controls rotation of item in view. ");
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//projection group controls these
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// Direction.setStatus(App::Property::ReadOnly,true);
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// RotationVector.setStatus(App::Property::ReadOnly,true);
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ScaleType.setValue("Custom");
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Scale.setStatus(App::Property::Hidden,true);
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ScaleType.setStatus(App::Property::Hidden,true);
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}
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DrawProjGroupItem::~DrawProjGroupItem()
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{
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}
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short DrawProjGroupItem::mustExecute() const
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{
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short result = 0;
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if (!isRestoring()) {
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result = (Direction.isTouched() ||
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RotationVector.isTouched() ||
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Source.isTouched() ||
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Scale.isTouched());
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}
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if (result) {
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return result;
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}
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return TechDraw::DrawViewPart::mustExecute();
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}
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void DrawProjGroupItem::onChanged(const App::Property *prop)
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{
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TechDraw::DrawViewPart::onChanged(prop);
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}
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bool DrawProjGroupItem::isLocked(void) const
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{
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bool isLocked = DrawView::isLocked();
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if (isAnchor()) { //Anchor view is always locked to DPG
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return true;
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}
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DrawProjGroup* parent = getPGroup();
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if (parent != nullptr) {
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isLocked = isLocked || parent->LockPosition.getValue();
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}
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return isLocked;
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}
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bool DrawProjGroupItem::showLock(void) const
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{
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bool result = DrawView::showLock();
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DrawProjGroup* parent = getPGroup();
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bool parentLock = false;
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if (parent != nullptr) {
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parentLock = parent->LockPosition.getValue();
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}
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if (isAnchor() && //don't show lock for Front if DPG is not locked
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!parentLock) {
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result = false;
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}
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return result;
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}
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App::DocumentObjectExecReturn *DrawProjGroupItem::execute(void)
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{
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// Base::Console().Message("DPGI::execute(%s)\n",Label.getValue());
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if (DrawUtil::checkParallel(Direction.getValue(),
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RotationVector.getValue())) {
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return new App::DocumentObjectExecReturn("DPGI: Direction and RotationVector are parallel");
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}
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App::DocumentObjectExecReturn* ret = DrawViewPart::execute();
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autoPosition();
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return ret;
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}
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void DrawProjGroupItem::autoPosition()
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{
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// Base::Console().Message("DPGI::autoPosition(%s)\n",Label.getValue());
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auto pgroup = getPGroup();
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Base::Vector3d newPos;
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if (pgroup != nullptr) {
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if (pgroup->AutoDistribute.getValue()) {
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if (!LockPosition.getValue()) {
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newPos = pgroup->getXYPosition(Type.getValueAsString());
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X.setValue(newPos.x);
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Y.setValue(newPos.y);
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requestPaint();
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purgeTouched(); //prevents "still touched after recompute" message
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}
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}
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}
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}
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void DrawProjGroupItem::onDocumentRestored()
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{
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App::DocumentObjectExecReturn* rc = DrawProjGroupItem::execute();
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if (rc) {
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delete rc;
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}
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}
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DrawProjGroup* DrawProjGroupItem::getPGroup() const
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{
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DrawProjGroup* result = nullptr;
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std::vector<App::DocumentObject*> parent = getInList();
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for (std::vector<App::DocumentObject*>::iterator it = parent.begin(); it != parent.end(); ++it) {
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if ((*it)->getTypeId().isDerivedFrom(DrawProjGroup::getClassTypeId())) {
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result = dynamic_cast<TechDraw::DrawProjGroup *>(*it);
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break;
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}
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}
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return result;
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}
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bool DrawProjGroupItem::isAnchor(void) const
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{
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bool result = false;
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auto group = getPGroup();
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if (group != nullptr) {
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DrawProjGroupItem* anchor = group->getAnchor();
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if (anchor == this) {
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result = true;
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}
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}
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return result;
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}
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/// get a coord system aligned with Direction and Rotation Vector
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gp_Ax2 DrawProjGroupItem::getViewAxis(const Base::Vector3d& pt,
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const Base::Vector3d& axis,
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const bool flip) const
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{
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(void) flip;
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gp_Ax2 viewAxis;
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Base::Vector3d projDir = Direction.getValue();
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Base::Vector3d rotVec = RotationVector.getValue();
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// mirror projDir through XZ plane
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Base::Vector3d yNorm(0.0,1.0,0.0);
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projDir = projDir - (yNorm * 2.0) * (projDir.Dot(yNorm));
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rotVec = rotVec - (yNorm * 2.0) * (rotVec.Dot(yNorm));
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if (DrawUtil::checkParallel(projDir,rotVec)) {
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Base::Console().Warning("DPGI::getVA - %s - Direction and RotationVector parallel. using defaults\n",
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getNameInDocument());
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}
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try {
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viewAxis = gp_Ax2(gp_Pnt(pt.x,pt.y,pt.z),
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gp_Dir(projDir.x, projDir.y, projDir.z),
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gp_Dir(rotVec.x, rotVec.y, rotVec.z));
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}
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catch (Standard_Failure& e4) {
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Base::Console().Message("PROBLEM - DPGI (%s) failed to create viewAxis: %s **\n",
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getNameInDocument(),e4.GetMessageString());
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return TechDraw::getViewAxis(pt,axis,false);
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}
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return viewAxis;
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}
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//get the angle between the current RotationVector vector and the original X dir angle
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double DrawProjGroupItem::getRotateAngle()
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{
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gp_Ax2 viewAxis;
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Base::Vector3d x = RotationVector.getValue(); //current rotation
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Base::Vector3d nx = x;
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nx.Normalize();
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Base::Vector3d na = Direction.getValue();
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na.Normalize();
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Base::Vector3d org(0.0,0.0,0.0);
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viewAxis = TechDraw::getViewAxis(org,na,true); //default orientation
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gp_Dir gxDir = viewAxis.XDirection();
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Base::Vector3d origX(gxDir.X(),gxDir.Y(),gxDir.Z());
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origX.Normalize();
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double angle = origX.GetAngle(nx);
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Base::Vector3d rotAxis = origX.Cross(nx);
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if (rotAxis == Direction.getValue()) {
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angle *= -1.0;
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}
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return angle;
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}
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double DrawProjGroupItem::getScale(void) const
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{
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double result = 1.0;
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auto pgroup = getPGroup();
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if (pgroup != nullptr) {
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result = pgroup->Scale.getValue();
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if (!(result > 0.0)) {
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Base::Console().Log("DPGI - %s - bad scale found (%.3f) using 1.0\n",getNameInDocument(),Scale.getValue());
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result = 1.0; //kludgy protective fix. autoscale sometimes serves up 0.0!
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}
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}
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return result;
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}
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void DrawProjGroupItem::unsetupObject()
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{
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if (getPGroup() != nullptr) {
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if (getPGroup()->hasProjection(Type.getValueAsString()) ) {
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if ((getPGroup()->getAnchor() == this) &&
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!getPGroup()->isUnsetting() ) {
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Base::Console().Warning("Warning - DPG (%s/%s) may be corrupt - Anchor deleted\n",
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getPGroup()->getNameInDocument(),getPGroup()->Label.getValue());
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getPGroup()->Anchor.setValue(nullptr); //this catches situation where DPGI is deleted w/o DPG::removeProjection
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}
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}
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}
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DrawViewPart::unsetupObject();
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}
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PyObject *DrawProjGroupItem::getPyObject(void)
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{
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if (PythonObject.is(Py::_None())) {
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// ref counter is set to 1
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PythonObject = Py::Object(new DrawProjGroupItemPy(this),true);
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}
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return Py::new_reference_to(PythonObject);
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}
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