390 lines
13 KiB
C++
390 lines
13 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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# include <gp_Ax2.hxx>
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#endif
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#include <App/DocumentObject.h>
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#include <Base/Console.h>
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#include "DrawProjGroupItem.h"
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#include "DrawProjGroupItemPy.h" // generated from DrawProjGroupItemPy.xml
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#include "DrawPage.h"
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#include "DrawProjGroup.h"
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#include "DrawUtil.h"
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#include "GeometryObject.h"
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using namespace TechDraw;
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const char *DrawProjGroupItem::TypeEnums[] = {
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QT_TRANSLATE_NOOP("DrawProjGroupItem", "Front"),
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QT_TRANSLATE_NOOP("DrawProjGroupItem", "Left"),
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QT_TRANSLATE_NOOP("DrawProjGroupItem", "Right"),
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QT_TRANSLATE_NOOP("DrawProjGroupItem", "Rear"),
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QT_TRANSLATE_NOOP("DrawProjGroupItem", "Top"),
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QT_TRANSLATE_NOOP("DrawProjGroupItem", "Bottom"),
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QT_TRANSLATE_NOOP("DrawProjGroupItem", "FrontTopLeft"),
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QT_TRANSLATE_NOOP("DrawProjGroupItem", "FrontTopRight"),
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QT_TRANSLATE_NOOP("DrawProjGroupItem", "FrontBottomLeft"),
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QT_TRANSLATE_NOOP("DrawProjGroupItem", "FrontBottomRight"),
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nullptr};
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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",
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App::Prop_None, "Deprecated. Use XDirection.");
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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); //Use XDirection
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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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short DrawProjGroupItem::mustExecute() const
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{
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//there is nothing unique about dpgi vs dvp
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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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if ((prop == &X) ||
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(prop == &Y)) {
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DrawProjGroup* parent = getPGroup();
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if (parent) {
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parent->touch(false);
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}
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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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if (isAnchor()) { //Anchor view is always locked to DPG
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return true;
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}
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return DrawView::isLocked();
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}
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bool DrawProjGroupItem::showLock(void) const
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{
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DrawProjGroup* parent = getPGroup();
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bool parentLock = false;
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if (parent) {
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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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return false;
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}
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return DrawView::showLock();
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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 / %s\n", getNameInDocument(), Label.getValue());
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if (!keepUpdated()) {
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return DrawView::execute();
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}
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if (waitingForHlr()) {
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return DrawView::execute();
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}
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bool haveX = checkXDirection();
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if (!haveX) {
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//block touch/onChanged stuff
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Base::Vector3d newX = getXDirection();
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XDirection.setValue(newX);
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XDirection.purgeTouched(); //don't trigger updates!
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//unblock
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}
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if (DrawUtil::checkParallel(Direction.getValue(),
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getXDirection())) {
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return new App::DocumentObjectExecReturn("DPGI: Direction and XDirection are parallel");
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}
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return DrawViewPart::execute();
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}
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void DrawProjGroupItem::postHlrTasks(void)
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{
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// Base::Console().Message("DPGI::postHlrTasks() - %s\n", getNameInDocument());
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DrawViewPart::postHlrTasks();
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//DPGI has no geometry until HLR has finished, and the DPG can not properly
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//AutoDistibute until all its items have geometry.
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autoPosition();
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getPGroup()->reportReady(); //tell the parent DPG we are ready
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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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if (LockPosition.getValue()) {
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return;
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}
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Base::Vector3d newPos;
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if (getPGroup() && getPGroup()->AutoDistribute.getValue()) {
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newPos = getPGroup()->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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getPGroup()->purgeTouched(); //changing dpgi x, y marks parent dpg as touched
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}
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}
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void DrawProjGroupItem::onDocumentRestored()
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{
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// Base::Console().Message("DPGI::onDocumentRestored() - %s\n", getNameInDocument());
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DrawView::onDocumentRestored();
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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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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)->isDerivedFrom<DrawProjGroup>()) {
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DrawProjGroup* result = dynamic_cast<TechDraw::DrawProjGroup *>(*it);
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return result;
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}
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}
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return nullptr;
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}
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bool DrawProjGroupItem::isAnchor(void) const
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{
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if (getPGroup() && (getPGroup()->getAnchor() == this) ) {
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return true;
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}
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return false;
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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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Base::Console().Message("DPGI::getViewAxis - deprecated. use getProjectionCS\n");
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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 = getXDirection();
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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 XDirection 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 ShapeUtils::getViewAxis(pt, axis, false);
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}
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return viewAxis;
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}
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Base::Vector3d DrawProjGroupItem::getXDirection(void) const
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{
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// Base::Console().Message("DPGI::getXDirection() - %s\n", Label.getValue());
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Base::Vector3d result(1.0, 0.0, 0.0); //default X
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App::Property* prop = getPropertyByName("XDirection");
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if (prop) {
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Base::Vector3d propVal = XDirection.getValue();
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if (DrawUtil::fpCompare(propVal.Length(), 0.0)) { //have XDirection property, but not set
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prop = getPropertyByName("RotationVector");
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if (prop) {
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result = RotationVector.getValue(); //use RotationVector if we have it
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} else {
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result = DrawViewPart::getXDirection(); //over complex.
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}
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} else {
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result = DrawViewPart::getXDirection();
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}
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} else { //not sure this branch can actually happen
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Base::Console().Message("DPGI::getXDirection - unexpected branch taken!\n");
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prop = getPropertyByName("RotationVector");
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if (prop) {
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result = RotationVector.getValue();
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} else {
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Base::Console().Message("DPGI::getXDirection - missing RotationVector and XDirection\n");
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}
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}
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return result;
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}
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Base::Vector3d DrawProjGroupItem::getLegacyX(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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// Base::Console().Message("DPGI::getLegacyX() - %s\n", Label.getValue());
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App::Property* prop = getPropertyByName("RotationVector");
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if (prop) {
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Base::Vector3d result = RotationVector.getValue();
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if (DrawUtil::fpCompare(result.Length(), 0.0)) { //have RotationVector property, but not set
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gp_Ax2 va = getViewAxis(pt,
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axis,
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flip);
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gp_Dir gXDir = va.XDirection();
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return Base::Vector3d(gXDir.X(),
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gXDir.Y(),
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gXDir.Z());
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}
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return result;
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}
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gp_Ax2 va = getViewAxis(pt,
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axis,
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flip);
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gp_Dir gXDir = va.XDirection();
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return Base::Vector3d(gXDir.X(),
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gXDir.Y(),
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gXDir.Z());
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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 = getXDirection(); //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 = getProjectionCS(org);
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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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auto pgroup = getPGroup();
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if (pgroup) {
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double result = pgroup->getScale();
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if (!(result > 0.0)) {
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return 1.0; //kludgy protective fix. autoscale sometimes serves up 0.0!
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}
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return result;
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}
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return 1.0;
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}
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void DrawProjGroupItem::unsetupObject()
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{
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if (!getPGroup()) {
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DrawViewPart::unsetupObject();
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return;
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}
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if (!getPGroup()->hasProjection(Type.getValueAsString()) ) {
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DrawViewPart::unsetupObject();
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return;
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}
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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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DrawViewPart::unsetupObject();
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}
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//DPGIs have DPG as parent, not Page, so we need to ask the DPG how many Pages own it.
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int DrawProjGroupItem::countParentPages() const
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{
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DrawProjGroup* dpg = getPGroup();
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if (dpg) {
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return dpg->countParentPages();
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}
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return 0;
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}
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DrawPage* DrawProjGroupItem::findParentPage() const
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{
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DrawProjGroup* dpg = getPGroup();
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if (dpg) {
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return dpg->findParentPage();
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}
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return nullptr;
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}
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std::vector<DrawPage*> DrawProjGroupItem::findAllParentPages() const
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{
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DrawProjGroup* dpg = getPGroup();
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if (dpg) {
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return dpg->findAllParentPages();
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}
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return std::vector<DrawPage*>();
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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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