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create/src/Mod/TechDraw/App/DrawProjGroup.cpp

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C++

/***************************************************************************
* Copyright (c) 2013-2014 Luke Parry <l.parry@warwick.ac.uk> *
* Copyright (c) 2014 Joe Dowsett <dowsettjoe[at]yahoo[dot]co[dot]uk> *
* *
* 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 <QRectF>
#include <cmath>
#endif
#include <App/Document.h>
#include <App/DocumentObject.h>
#include <Base/BoundBox.h>
#include <Base/Console.h>
#include <Base/Exception.h>
#include <Base/Matrix.h>
#include "Cube.h"
#include "DrawUtil.h"
#include "DrawPage.h"
#include "DrawProjGroupItem.h"
#include "DrawProjGroup.h"
#include <Mod/TechDraw/App/DrawProjGroupPy.h> // generated from DrawProjGroupPy.xml
using namespace TechDraw;
const char* DrawProjGroup::ProjectionTypeEnums[] = {"Default",
"First Angle",
"Third Angle",
NULL};
PROPERTY_SOURCE(TechDraw::DrawProjGroup, TechDraw::DrawViewCollection)
DrawProjGroup::DrawProjGroup(void)
{
static const char *group = "Base";
static const char *agroup = "Distribute";
ADD_PROPERTY_TYPE(Source ,(0), group, App::Prop_None,"Shape to view");
ADD_PROPERTY_TYPE(Anchor, (0), group, App::Prop_None, "The root view to align projections with");
ProjectionType.setEnums(ProjectionTypeEnums);
ADD_PROPERTY(ProjectionType, ((long)0));
ADD_PROPERTY_TYPE(AutoDistribute ,(true),agroup,App::Prop_None,"Distribute Views Automatically or Manually");
ADD_PROPERTY_TYPE(spacingX, (15), agroup, App::Prop_None, "Horizontal spacing between views");
ADD_PROPERTY_TYPE(spacingY, (15), agroup, App::Prop_None, "Vertical spacing between views");
ADD_PROPERTY_TYPE(CubeDirs,(Base::Vector3d()) ,agroup, App::Prop_None, "Current view directions");
ADD_PROPERTY_TYPE(CubeRotations,(Base::Vector3d()),agroup, App::Prop_None, "Current rotations");
m_cube = new Cube();
m_cube->initialize(); //set default dirs & rots
}
DrawProjGroup::~DrawProjGroup()
{
delete m_cube;
}
void DrawProjGroup::resetCube(void)
{
m_cube->initialize();
updateSecondaryDirs();
}
void DrawProjGroup::onChanged(const App::Property* prop)
{
//TODO: For some reason, when the projection type is changed, the isometric views show change appropriately, but the orthographic ones don't... Or vice-versa. WF: why would you change from 1st to 3rd in mid drawing?
//if group hasn't been added to page yet, can't scale or distribute projItems
TechDraw::DrawPage *page = getPage();
if (!isRestoring() && page) {
if (prop == &Source) {
App::DocumentObject* sourceObj = Source.getValue();
if (sourceObj != nullptr) {
if (!hasAnchor()) {
// if we have a Source, but no Anchor, make an anchor
Anchor.setValue(addProjection("Front"));
Anchor.purgeTouched(); //don't need to mark this
}
} else {
//Source has been changed to null! Why? What to do?
}
} else if (prop == &AutoDistribute &&
AutoDistribute.getValue()) {
distributeProjections();
}
}
if (isRestoring() && (prop == &CubeDirs)) {
m_cube->setAllDirs(CubeDirs.getValues()); //override defaults from saved value if valid
}
if (isRestoring() && (prop == &CubeRotations)) {
m_cube->setAllRots(CubeRotations.getValues()); //override defaults from saved value if valid
}
TechDraw::DrawViewCollection::onChanged(prop);
}
//! call this after changing the Cube
void DrawProjGroup::setPropsFromCube(void)
{
CubeDirs.setValues(m_cube->getAllDirs());
CubeRotations.setValues(m_cube->getAllRots());
}
void DrawProjGroup::setCubeFromProps(void)
{
m_cube->setAllDirs(CubeDirs.getValues());
m_cube->setAllRots(CubeRotations.getValues());
}
App::DocumentObjectExecReturn *DrawProjGroup::execute(void)
{
if (!keepUpdated()) {
return App::DocumentObject::StdReturn;
}
//if group hasn't been added to page yet, can't scale or distribute projItems
TechDraw::DrawPage *page = getPage();
if (!page) {
return DrawViewCollection::execute();
}
App::DocumentObject* docObj = Source.getValue();
if (docObj == nullptr) {
return DrawViewCollection::execute();
}
docObj = Anchor.getValue();
if (docObj == nullptr) {
return DrawViewCollection::execute();
}
double newScale = getScale();
if (ScaleType.isValue("Automatic")) {
//Recalculate scale if Group is too big or too small!
if (!checkFit(page)) {
newScale = calculateAutomaticScale();
if(std::abs(getScale() - newScale) > FLT_EPSILON) {
Scale.setValue(newScale);
updateChildren(newScale);
}
}
} else if (ScaleType.isValue("Page")) { //don't really need this any more.
newScale = page->Scale.getValue();
if(std::abs(getScale() - newScale) > FLT_EPSILON) {
Scale.setValue(newScale);
updateChildren(newScale);
}
} else if (ScaleType.isValue("Custom")) {
//don't have to do anything special
updateChildren(newScale);
}
distributeProjections();
if (page != nullptr) {
page->requestPaint();
}
return DrawViewCollection::execute();
}
short DrawProjGroup::mustExecute() const
{
short result = 0;
if (!isRestoring()) {
result = Views.isTouched() ||
Source.isTouched() ||
Scale.isTouched() ||
ScaleType.isTouched() ||
ProjectionType.isTouched() ||
Anchor.isTouched();
}
if (result) return result;
return TechDraw::DrawViewCollection::mustExecute();
}
Base::BoundBox3d DrawProjGroup::getBoundingBox() const
{
Base::BoundBox3d bbox;
std::vector<App::DocumentObject*> views = Views.getValues();
TechDraw::DrawProjGroupItem *anchorView = dynamic_cast<TechDraw::DrawProjGroupItem *>(Anchor.getValue());
for (std::vector<App::DocumentObject*>::const_iterator it = views.begin(); it != views.end(); ++it) {
if ((*it)->getTypeId().isDerivedFrom(DrawViewPart::getClassTypeId())) {
DrawViewPart *part = static_cast<DrawViewPart *>(*it);
Base::BoundBox3d bb = part->getBoundingBox();
bb.ScaleX(1. / part->getScale());
bb.ScaleY(1. / part->getScale());
// X and Y of dependent views are relative to the anchorView
if (part != anchorView) {
bb.MoveX(part->X.getValue());
bb.MoveY(part->Y.getValue());
}
bbox.Add(bb);
}
}
// This /should/ leave the centre of the bounding box at (0,0) except when
// we're in the process of updating the anchor view's position (eg called
// by moveToCentre())
if (anchorView) { //TODO: It looks like we might be getting called before an anchor view is set - weird...
bbox.MoveX(anchorView->X.getValue());
bbox.MoveY(anchorView->Y.getValue());
}
return bbox;
}
TechDraw::DrawPage * DrawProjGroup::getPage(void) const
{
return findParentPage();
}
// Function provided by Joe Dowsett, 2014
double DrawProjGroup::calculateAutomaticScale() const
{
TechDraw::DrawPage *page = getPage();
if (page == NULL)
throw Base::Exception("No page is assigned to this feature");
DrawProjGroupItem *viewPtrs[10];
arrangeViewPointers(viewPtrs);
double width, height;
minimumBbViews(viewPtrs, width, height); //get 1:1 bbxs
double bbFudge = 1.2;
width *= bbFudge;
height *= bbFudge;
// C++ Standard says casting bool to int gives 0 or 1
int numVertSpaces = (viewPtrs[0] || viewPtrs[3] || viewPtrs[7]) +
(viewPtrs[2] || viewPtrs[5] || viewPtrs[9]) +
(viewPtrs[6] != NULL);
int numHorizSpaces = (viewPtrs[0] || viewPtrs[1] || viewPtrs[2]) +
(viewPtrs[7] || viewPtrs[8] || viewPtrs[9]);
double availableX = page->getPageWidth();
double availableY = page->getPageHeight();
double xWhite = spacingX.getValue() * (numVertSpaces + 1);
double yWhite = spacingY.getValue() * (numHorizSpaces + 1);
width += xWhite;
height += yWhite;
double scale_x = availableX / width;
double scale_y = availableY / height;
double scaleFudge = 0.80;
float working_scale = scaleFudge * std::min(scale_x, scale_y);
double result = DrawUtil::sensibleScale(working_scale);
return result;
}
QRectF DrawProjGroup::getRect() const //this is current rect, not potential rect
{
DrawProjGroupItem *viewPtrs[10];
arrangeViewPointers(viewPtrs);
double width, height;
minimumBbViews(viewPtrs, width, height); // w,h of just the views at 1:1 scale
double xSpace = spacingX.getValue() * 3.0 * std::max(1.0,getScale());
double ySpace = spacingY.getValue() * 2.0 * std::max(1.0,getScale());
double rectW = getScale() * width + xSpace; //scale the 1:1 w,h and add whitespace
double rectH = getScale() * height + ySpace;
return QRectF(0,0,rectW,rectH);
}
//find area consumed by Views only in 1:1 Scale
void DrawProjGroup::minimumBbViews(DrawProjGroupItem *viewPtrs[10],
double &width, double &height) const
{
// Get bounding boxes in object scale
Base::BoundBox3d bboxes[10];
makeViewBbs(viewPtrs, bboxes, false);
//TODO: note that TLF/TRF/BLF,BRF extend a bit farther than a strict row/col arrangement would suggest.
//get widest view in each row/column
double col0w = std::max(std::max(bboxes[0].LengthX(), bboxes[3].LengthX()), bboxes[7].LengthX()),
col1w = std::max(std::max(bboxes[1].LengthX(), bboxes[4].LengthX()), bboxes[8].LengthX()),
col2w = std::max(std::max(bboxes[2].LengthX(), bboxes[5].LengthX()), bboxes[9].LengthX()),
col3w = bboxes[6].LengthX(),
row0h = std::max(std::max(bboxes[0].LengthY(), bboxes[1].LengthY()), bboxes[2].LengthY()),
row1h = std::max(std::max(bboxes[3].LengthY(), bboxes[4].LengthY()),
std::max(bboxes[5].LengthY(), bboxes[6].LengthY())),
row2h = std::max(std::max(bboxes[7].LengthY(), bboxes[8].LengthY()), bboxes[9].LengthY());
width = col0w + col1w + col2w + col3w;
height = row0h + row1h + row2h;
}
void DrawProjGroup::moveToCentre(void)
{
// Update the anchor view's X and Y to keep the bounding box centred on the origin
Base::BoundBox3d tempbbox = getBoundingBox();
DrawProjGroupItem *anchorView = dynamic_cast<DrawProjGroupItem *>(Anchor.getValue());
if (anchorView) {
anchorView->X.setValue((tempbbox.MinX + tempbbox.MaxX) / -2.0);
anchorView->Y.setValue((tempbbox.MinY + tempbbox.MaxY) / -2.0);
}
}
App::DocumentObject * DrawProjGroup::getProjObj(const char *viewProjType) const
{
for( auto it : Views.getValues() ) {
auto projPtr( dynamic_cast<DrawProjGroupItem *>(it) );
if( projPtr &&
strcmp(viewProjType, projPtr->Type.getValueAsString()) == 0 ) {
return it;
}
}
return 0;
}
DrawProjGroupItem* DrawProjGroup::getProjItem(const char *viewProjType) const
{
App::DocumentObject* docObj = getProjObj(viewProjType);
DrawProjGroupItem* result = static_cast<DrawProjGroupItem*>(docObj);
return result;
}
bool DrawProjGroup::checkViewProjType(const char *in)
{
if ( strcmp(in, "Front") == 0 ||
strcmp(in, "Left") == 0 ||
strcmp(in, "Right") == 0 ||
strcmp(in, "Top") == 0 ||
strcmp(in, "Bottom") == 0 ||
strcmp(in, "Rear") == 0 ||
strcmp(in, "FrontTopLeft") == 0 ||
strcmp(in, "FrontTopRight") == 0 ||
strcmp(in, "FrontBottomLeft") == 0 ||
strcmp(in, "FrontBottomRight") == 0) {
return true;
}
return false;
}
//********************************
// ProjectionItem A/D/I
//********************************
bool DrawProjGroup::hasProjection(const char *viewProjType) const
{
for( const auto it : Views.getValues() ) {
auto view( dynamic_cast<TechDraw::DrawProjGroupItem *>(it) );
if( view && strcmp(viewProjType, view->Type.getValueAsString()) == 0 ) {
return true;
}
}
return false;
}
App::DocumentObject * DrawProjGroup::addProjection(const char *viewProjType)
{
DrawProjGroupItem *view( nullptr );
if ( checkViewProjType(viewProjType) && !hasProjection(viewProjType) ) {
std::string FeatName = getDocument()->getUniqueObjectName("ProjItem");
auto docObj( getDocument()->addObject( "TechDraw::DrawProjGroupItem", //add to Document
FeatName.c_str() ) );
view = static_cast<TechDraw::DrawProjGroupItem *>( docObj );
view->Source.setValue( Source.getValue() );
if (ScaleType.isValue("Automatic")) {
view->ScaleType.setValue("Custom");
} else {
view->ScaleType.setValue( ScaleType.getValue() );
}
view->Scale.setValue( getScale() );
view->Type.setValue( viewProjType );
view->Label.setValue( viewProjType );
view->Source.setValue( Source.getValue() );
view->Direction.setValue(m_cube->getViewDir(viewProjType));
view->RotationVector.setValue(m_cube->getRotationDir(viewProjType));
addView(view); //from DrawViewCollection
moveToCentre();
if (view != getAnchor()) { //anchor is done elsewhere
view->recomputeFeature();
}
distributeProjections();
}
return view;
}
//NOTE: projections can be deleted without using removeProjection - ie regular DocObject deletion process.
int DrawProjGroup::removeProjection(const char *viewProjType)
{
// TODO: shouldn't be able to delete "Front" unless deleting whole group
if ( checkViewProjType(viewProjType) ) {
if( !hasProjection(viewProjType) ) {
throw Base::Exception("The projection doesn't exist in the group");
}
// Iterate through the child views and find the projection type
for( auto it : Views.getValues() ) {
auto projPtr( dynamic_cast<TechDraw::DrawProjGroupItem *>(it) );
if( projPtr ) {
if ( strcmp(viewProjType, projPtr->Type.getValueAsString()) == 0 ) {
removeView(projPtr); // Remove from collection
getDocument()->removeObject( it->getNameInDocument() ); // Remove from the document
moveToCentre();
return Views.getValues().size();
}
}
}
distributeProjections();
}
return -1;
}
//removes all DPGI - used when deleting DPG
int DrawProjGroup::purgeProjections()
{
while (!Views.getValues().empty()) {
std::vector<DocumentObject*> views = Views.getValues();
DrawProjGroupItem* dpgi;
DocumentObject* dObj = views.back();
dpgi = dynamic_cast<DrawProjGroupItem*>(dObj);
if (dpgi) {
std::string itemName = dpgi->Type.getValueAsString();
removeProjection(itemName.c_str());
}
}
auto page = findParentPage();
if (page != nullptr) {
page->requestPaint();
}
return Views.getValues().size();
}
void DrawProjGroup::arrangeViewPointers(DrawProjGroupItem *viewPtrs[10]) const
{
for (int i=0; i<10; ++i) {
viewPtrs[i] = NULL;
}
// Determine layout - should be either "First Angle" or "Third Angle"
const char* projType;
if (ProjectionType.isValue("Default")) {
projType = findParentPage()->ProjectionType.getValueAsString();
} else {
projType = ProjectionType.getValueAsString();
}
// Iterate through views and populate viewPtrs
if ( strcmp(projType, "Third Angle") == 0 ||
strcmp(projType, "First Angle") == 0 ) {
// Third Angle: FTL T FTRight 0 1 2
// L F Right Rear 3 4 5 6
// FBL B FBRight 7 8 9
//
// First Angle: FBRight B FBL 0 1 2
// Right F L Rear 3 4 5 6
// FTRight T FTL 7 8 9
bool thirdAngle = (strcmp(projType, "Third Angle") == 0);
for (auto it : Views.getValues()) {
auto oView( dynamic_cast<DrawProjGroupItem *>(it) );
if (oView) {
const char *viewTypeCStr = oView->Type.getValueAsString();
if (strcmp(viewTypeCStr, "Front") == 0) {
//viewPtrs[thirdAngle ? 4 : 4] = oView;
viewPtrs[4] = oView;
} else if (strcmp(viewTypeCStr, "Left") == 0) {
viewPtrs[thirdAngle ? 3 : 5] = oView;
} else if (strcmp(viewTypeCStr, "Right") == 0) {
viewPtrs[thirdAngle ? 5 : 3] = oView;
} else if (strcmp(viewTypeCStr, "Top") == 0) {
viewPtrs[thirdAngle ? 1 : 8] = oView;
} else if (strcmp(viewTypeCStr, "Bottom") == 0) {
viewPtrs[thirdAngle ? 8 : 1] = oView;
} else if (strcmp(viewTypeCStr, "Rear") == 0) {
viewPtrs[6] = oView;
} else if (strcmp(viewTypeCStr, "FrontTopLeft") == 0) {
viewPtrs[thirdAngle ? 0 : 9] = oView;
} else if (strcmp(viewTypeCStr, "FrontTopRight") == 0) {
viewPtrs[thirdAngle ? 2 : 7] = oView;
} else if (strcmp(viewTypeCStr, "FrontBottomLeft") == 0) {
viewPtrs[thirdAngle ? 7 : 2] = oView;
} else if (strcmp(viewTypeCStr, "FrontBottomRight") == 0) {
viewPtrs[thirdAngle ? 9 : 0] = oView;
} else {
throw Base::Exception("Unknown view type in DrawProjGroup::arrangeViewPointers()");
}
}
}
} else {
throw Base::Exception("Unknown view type in DrawProjGroup::arrangeViewPointers()");
}
}
void DrawProjGroup::makeViewBbs(DrawProjGroupItem *viewPtrs[10],
Base::BoundBox3d bboxes[10],
bool documentScale) const
{
for (int i = 0; i < 10; ++i)
if (viewPtrs[i]) {
bboxes[i] = viewPtrs[i]->getBoundingBox();
if (!documentScale) {
double scale = 1.0 / viewPtrs[i]->getScale(); //convert bbx to 1:1 scale
bboxes[i].ScaleX(scale);
bboxes[i].ScaleY(scale);
bboxes[i].ScaleZ(scale);
}
} else {
// BoundBox3d defaults to length=(FLOAT_MAX + -FLOAT_MAX)
bboxes[i].ScaleX(0);
bboxes[i].ScaleY(0);
bboxes[i].ScaleZ(0);
}
}
bool DrawProjGroup::distributeProjections()
{
//TODO: bounding boxes do not take view orientation into account
// ie X&Y widths might be swapped on page
if (!AutoDistribute.getValue()) {
return true;
}
DrawProjGroupItem *viewPtrs[10];
arrangeViewPointers(viewPtrs);
// TODO: Work on not requiring the front view...
//WF: there is always a "Front" view. That's in the nature of the ProjGroup!
if (!viewPtrs[4]) {
return false;
}
// Calculate bounding boxes for each displayed view
Base::BoundBox3d bboxes[10];
makeViewBbs(viewPtrs, bboxes);
double xSpacing = spacingX.getValue(); //in mm/scale
double ySpacing = spacingY.getValue(); //in mm/scale
double bigRow = 0.0;
double bigCol = 0.0;
for (auto& b: bboxes) {
if (!b.IsValid()) {
continue;
}
if (b.LengthX() > bigCol) {
bigCol = b.LengthX();
}
if (b.LengthY() > bigRow) {
bigRow = b.LengthY();
}
}
//if we have iso's, make sure they fit the grid.
if (viewPtrs[0] || viewPtrs[2] || viewPtrs[7] || viewPtrs[9]) {
bigCol = std::max(bigCol,bigRow);
bigRow = bigCol;
}
//viewPtrs
// 0 1 2
// 3 4 5 6
// 7 8 9
if (viewPtrs[0] && viewPtrs[0]->allowAutoPos() &&
bboxes[0].IsValid()) {
viewPtrs[0]->X.setValue(-bigCol - xSpacing);
viewPtrs[0]->Y.setValue(bigRow + ySpacing);
}
if (viewPtrs[1] && viewPtrs[1]->allowAutoPos() &&
bboxes[1].IsValid()) {
viewPtrs[1]->Y.setValue(bigRow + ySpacing);
}
if (viewPtrs[2] && viewPtrs[2]->allowAutoPos()
) {
viewPtrs[2]->X.setValue(bigCol + xSpacing);
viewPtrs[2]->Y.setValue(bigRow + ySpacing);
}
if (viewPtrs[3] && viewPtrs[3]->allowAutoPos() &&
bboxes[3].IsValid() &&
bboxes[4].IsValid()) {
viewPtrs[3]->X.setValue(-bigCol - xSpacing);
}
if (viewPtrs[4]) { // TODO: Move this check above, and figure out a sane bounding box based on other existing views
}
if (viewPtrs[5] && viewPtrs[5]->allowAutoPos() &&
bboxes[5].IsValid() &&
bboxes[4].IsValid()) {
viewPtrs[5]->X.setValue(bigCol + xSpacing);
}
if (viewPtrs[6] && viewPtrs[6]->allowAutoPos() &&
bboxes[6].IsValid()) { //"Rear"
if (viewPtrs[5] &&
bboxes[5].IsValid()) {
viewPtrs[6]->X.setValue(viewPtrs[5]->X.getValue() + bigCol + xSpacing);
}else if (viewPtrs[4] &&
bboxes[4].IsValid()) {
viewPtrs[6]->X.setValue(bigCol + xSpacing);
}
}
if (viewPtrs[7] && viewPtrs[7]->allowAutoPos() &&
bboxes[7].IsValid()) {
viewPtrs[7]->X.setValue(-bigCol - xSpacing);
viewPtrs[7]->Y.setValue(-bigRow - ySpacing);
}
if (viewPtrs[8] && viewPtrs[8]->allowAutoPos() &&
bboxes[8].IsValid() &&
bboxes[4].IsValid()) {
viewPtrs[8]->Y.setValue(-bigRow - ySpacing);
}
if (viewPtrs[9] && viewPtrs[9]->allowAutoPos() &&
bboxes[9].IsValid()) {
viewPtrs[9]->X.setValue(bigCol + xSpacing);
viewPtrs[9]->Y.setValue(-bigRow - ySpacing);
}
return true;
}
//! tell children DPGIs that parent DPG has changed ?Scale?
void DrawProjGroup::updateChildren(double scale)
{
for( const auto it : Views.getValues() ) {
auto view( dynamic_cast<DrawProjGroupItem *>(it) );
if( view ) {
if(std::abs(view->getScale() - scale) > FLT_EPSILON) {
view->Scale.setValue(scale);
view->recomputeFeature();
}
}
}
}
//!check if ProjectionGroup fits on Page
bool DrawProjGroup::checkFit(TechDraw::DrawPage* p) const
{
bool result = true;
QRectF viewBox = getRect();
double fudge = 1.1;
double maxWidth = viewBox.width() * fudge;
double maxHeight = viewBox.height() * fudge;
if ( (maxWidth > p->getPageWidth()) ||
(maxHeight > p->getPageHeight()) ) {
result = false;
}
if (ScaleType.isValue("Automatic")) { //expand if too small
double magnifyLimit = 0.60;
if ( (maxWidth < p->getPageWidth() * magnifyLimit) &&
(maxHeight < p->getPageHeight() * magnifyLimit) ) {
result = false;
}
}
return result;
}
App::Enumeration DrawProjGroup::usedProjectionType(void)
{
//TODO: Would've been nice to have an Enumeration(const PropertyEnumeration &) constructor
App::Enumeration ret(ProjectionTypeEnums, ProjectionType.getValueAsString());
if (ret.isValue("Default")) {
TechDraw::DrawPage * page = getPage();
if ( page != NULL ) {
ret.setValue(page->ProjectionType.getValueAsString());
}
}
return ret;
}
bool DrawProjGroup::hasAnchor(void)
{
bool result = false;
App::DocumentObject* docObj = Anchor.getValue();
if (docObj != nullptr) {
result = true;
}
return result;
}
TechDraw::DrawProjGroupItem* DrawProjGroup::getAnchor(void)
{
DrawProjGroupItem* result = nullptr;
App::DocumentObject* docObj = Anchor.getValue();
if (docObj != nullptr) {
result = static_cast<DrawProjGroupItem*>(docObj);
}
return result;
}
void DrawProjGroup::setAnchorDirection(const Base::Vector3d dir)
{
App::DocumentObject* docObj = Anchor.getValue();
DrawProjGroupItem* item = static_cast<DrawProjGroupItem*>(docObj);
item->Direction.setValue(dir);
}
Base::Vector3d DrawProjGroup::getAnchorDirection(void)
{
Base::Vector3d result;
App::DocumentObject* docObj = Anchor.getValue();
if (docObj != nullptr) {
DrawProjGroupItem* item = static_cast<DrawProjGroupItem*>(docObj);
result = item->Direction.getValue();
} else {
Base::Console().Log("ERROR - DPG::getAnchorDir - no Anchor!!\n");
}
return result;
}
//*************************************
//* view direction manipulation routines
//*************************************
void DrawProjGroup::updateSecondaryDirs()
{
for (auto& docObj: Views.getValues()) {
Base::Vector3d newDir;
Base::Vector3d newAxis;
std::string pic;
DrawProjGroupItem* v = static_cast<DrawProjGroupItem*>(docObj);
ProjItemType t = static_cast<ProjItemType>(v->Type.getValue());
switch (t) {
case Front : {
newDir = m_cube->getFront();
newAxis = m_cube->getFrontRot();
break;
}
case Rear : {
newDir = m_cube->getRear();
newAxis = m_cube->getRearRot();
break;
}
case Left : {
newDir = m_cube->getLeft();
newAxis = m_cube->getLeftRot();
break;
}
case Right : {
newDir = m_cube->getRight();
newAxis = m_cube->getRightRot();
break;
}
case Top : {
newDir = m_cube->getTop();
newAxis = m_cube->getTopRot();
break;
}
case Bottom : {
newDir = m_cube->getBottom();
newAxis = m_cube->getBottomRot();
break;
}
case FrontTopLeft : {
newDir = m_cube->getFTL();
newAxis = m_cube->getFTLRot();
break;
}
case FrontTopRight : {
newDir = m_cube->getFTR();
newAxis = m_cube->getFTRRot();
break;
}
case FrontBottomLeft : {
newDir = m_cube->getFBL();
newAxis = m_cube->getFBLRot();
break;
}
case FrontBottomRight : {
newDir = m_cube->getFBR();
newAxis = m_cube->getFBRRot();
break;
}
default: {
//TARFU invalid secondary type
Base::Console().Message("ERROR - DPG::updateSecondaryDirs - invalid projection type\n");
newDir = v->Direction.getValue();
newAxis = v->RotationVector.getValue();
}
}
v->Direction.setValue(newDir);
v->RotationVector.setValue(newAxis);
}
setPropsFromCube();
auto page = findParentPage();
if (page != nullptr) {
page->requestPaint();
}
}
void DrawProjGroup::rotateRight()
{
//Front -> Right -> Rear -> Left -> Front
m_cube->rotateRight();
updateSecondaryDirs();
}
void DrawProjGroup::rotateLeft()
{
//Front -> Left -> Rear -> Right -> Front
m_cube->rotateLeft();
updateSecondaryDirs();
}
void DrawProjGroup::rotateUp()
{
//Front -> Top -> Rear -> Bottom -> Front
m_cube->rotateUp();
updateSecondaryDirs();
}
void DrawProjGroup::rotateDown()
{
//Front -> Bottom -> Rear -> Top -> Front
m_cube->rotateDown();
updateSecondaryDirs();
}
void DrawProjGroup::spinCW()
{
//Top -> Right -> Bottom -> Left -> Top
m_cube->spinCW();
updateSecondaryDirs();
}
void DrawProjGroup::spinCCW()
{
//Top -> Left -> Bottom -> Right -> Top
m_cube->spinCCW();
updateSecondaryDirs();
}
//dumps the current iso DPGI's
void DrawProjGroup::dumpISO(char * title)
{
Base::Console().Message("DPG ISO: %s\n", title);
for (auto& docObj: Views.getValues()) {
Base::Vector3d dir;
Base::Vector3d axis;
DrawProjGroupItem* v = static_cast<DrawProjGroupItem*>(docObj);
std::string t = v->Type.getValueAsString();
dir = v->Direction.getValue();
axis = v->RotationVector.getValue();
Base::Console().Message("%s: %s/%s\n",
t.c_str(),DrawUtil::formatVector(dir).c_str(),DrawUtil::formatVector(axis).c_str());
}
}
PyObject *DrawProjGroup::getPyObject(void)
{
if (PythonObject.is(Py::_None())) {
// ref counter is set to 1
PythonObject = Py::Object(new DrawProjGroupPy(this),true);
}
return Py::new_reference_to(PythonObject);
}