708 lines
27 KiB
C++
708 lines
27 KiB
C++
/***************************************************************************
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* Copyright (c) 2013-2014 Luke Parry <l.parry@warwick.ac.uk> *
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* Copyright (c) 2014 Joe Dowsett <dowsettjoe[at]yahoo[dot]co[dot]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 <QRectF>
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#endif
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#include <App/Document.h>
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#include <App/DocumentObject.h>
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#include <Base/BoundBox.h>
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#include <Base/Console.h>
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#include <Base/Exception.h>
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#include "DrawPage.h"
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#include "DrawProjGroupItem.h"
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#include "DrawProjGroup.h"
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#include <Mod/TechDraw/App/DrawProjGroupPy.h> // generated from DrawProjGroupPy.xml
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using namespace TechDraw;
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const char* DrawProjGroup::ProjectionTypeEnums[] = {"Document",
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"First Angle",
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"Third Angle",
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NULL};
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PROPERTY_SOURCE(TechDraw::DrawProjGroup, TechDraw::DrawViewCollection)
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DrawProjGroup::DrawProjGroup(void)
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{
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static const char *group = "ProjGroup";
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ADD_PROPERTY_TYPE(Anchor, (0), group, App::Prop_None, "The root view to align projections with");
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ProjectionType.setEnums(ProjectionTypeEnums);
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ADD_PROPERTY(ProjectionType, ((long)0));
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ADD_PROPERTY_TYPE(spacingX, (15), group, App::Prop_None, "Horizontal spacing between views");
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ADD_PROPERTY_TYPE(spacingY, (15), group, App::Prop_None, "Vertical spacing between views");
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ADD_PROPERTY(viewOrientationMatrix, (Base::Matrix4D()));
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}
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DrawProjGroup::~DrawProjGroup()
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{
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}
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short DrawProjGroup::mustExecute() const
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{
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short result = 0;
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if (!isRestoring()) {
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result = Views.isTouched() ||
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Source.isTouched() ||
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Scale.isTouched() ||
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ScaleType.isTouched() ||
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ProjectionType.isTouched() ||
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Anchor.isTouched();
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}
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if (result) return result;
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return TechDraw::DrawViewCollection::mustExecute();
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}
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Base::BoundBox3d DrawProjGroup::getBoundingBox() const
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{
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Base::BoundBox3d bbox;
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std::vector<App::DocumentObject*> views = Views.getValues();
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TechDraw::DrawProjGroupItem *anchorView = dynamic_cast<TechDraw::DrawProjGroupItem *>(Anchor.getValue());
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for (std::vector<App::DocumentObject*>::const_iterator it = views.begin(); it != views.end(); ++it) {
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if ((*it)->getTypeId().isDerivedFrom(DrawViewPart::getClassTypeId())) {
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DrawViewPart *part = static_cast<DrawViewPart *>(*it);
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Base::BoundBox3d bb = part->getBoundingBox();
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bb.ScaleX(1. / part->Scale.getValue());
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bb.ScaleY(1. / part->Scale.getValue());
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// X and Y of dependant views are relative to the anchorView
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if (part != anchorView) {
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bb.MoveX(part->X.getValue());
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bb.MoveY(part->Y.getValue());
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}
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bbox.Add(bb);
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}
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}
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// This /should/ leave the centre of the bounding box at (0,0) except when
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// we're in the process of updating the anchor view's position (eg called
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// by moveToCentre())
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if (anchorView) { //TODO: It looks like we might be getting called before an anchor view is set - weird...
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bbox.MoveX(anchorView->X.getValue());
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bbox.MoveY(anchorView->Y.getValue());
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}
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return bbox;
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}
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TechDraw::DrawPage * DrawProjGroup::getPage(void) const
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{
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return findParentPage();
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}
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// Function provided by Joe Dowsett, 2014
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double DrawProjGroup::calculateAutomaticScale() const
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{
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TechDraw::DrawPage *page = getPage();
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if (page == NULL)
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throw Base::Exception("No page is assigned to this feature");
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DrawProjGroupItem *viewPtrs[10];
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arrangeViewPointers(viewPtrs);
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double width, height;
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minimumBbViews(viewPtrs, width, height); //get 1:1 bbxs
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// C++ Standard says casting bool to int gives 0 or 1
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int numVertSpaces = (viewPtrs[0] || viewPtrs[3] || viewPtrs[7]) +
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(viewPtrs[2] || viewPtrs[5] || viewPtrs[9]) +
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(viewPtrs[6] != NULL);
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int numHorizSpaces = (viewPtrs[0] || viewPtrs[1] || viewPtrs[2]) +
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(viewPtrs[7] || viewPtrs[8] || viewPtrs[9]);
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double availableX = page->getPageWidth();
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double availableY = page->getPageHeight();
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double xWhite = spacingX.getValue() * (numVertSpaces + 1);
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double yWhite = spacingY.getValue() * (numHorizSpaces + 1);
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width += xWhite;
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height += yWhite;
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double scale_x = availableX / width;
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double scale_y = availableY / height;
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double fudgeFactor = 0.90;
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float working_scale = fudgeFactor * std::min(scale_x, scale_y);
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//which gives the largest scale for which the min_space requirements can be met, but we want a 'sensible' scale, rather than 0.28457239...
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//eg if working_scale = 0.115, then we want to use 0.1, similarly 7.65 -> 5, and 76.5 -> 50
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float exponent = std::floor(std::log10(working_scale)); //if working_scale = a * 10^b, what is b?
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working_scale *= std::pow(10, -exponent); //now find what 'a' is.
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float valid_scales[2][8] = {{1.0, 1.25, 2.0, 2.5, 3.75, 5.0, 7.5, 10.0}, //equate to 1:10, 1:8, 1:5, 1:4, 3:8, 1:2, 3:4, 1:1
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{1.0, 1.5 , 2.0, 3.0, 4.0 , 5.0, 8.0, 10.0}}; //equate to 1:1, 3:2, 2:1, 3:1, 4:1, 5:1, 8:1, 10:1
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int i = 7;
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while (valid_scales[(exponent >= 0)][i] > working_scale) //choose closest value smaller than 'a' from list.
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i -= 1; //choosing top list if exponent -ve, bottom list for +ve exponent
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//now have the appropriate scale, reapply the *10^b
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double result = valid_scales[(exponent >= 0)][i] * pow(10, exponent);
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return result;
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}
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QRectF DrawProjGroup::getRect() const //this is current rect, not potential rect
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{
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DrawProjGroupItem *viewPtrs[10];
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arrangeViewPointers(viewPtrs);
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double width, height;
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minimumBbViews(viewPtrs, width, height); // w,h of just the views at 1:1 scale
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//need to add spacingX,spacingY
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double xSpace = spacingX.getValue() * 3.0 * std::max(1.0,Scale.getValue());
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double ySpace = spacingY.getValue() * 2.0 * std::max(1.0,Scale.getValue());
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double rectW = Scale.getValue() * width + xSpace; //scale the 1:1 w,h and add whitespace
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double rectH = Scale.getValue() * height + ySpace;
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return QRectF(0,0,rectW,rectH);
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}
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//find area consumed by Views only in 1:1 Scale
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void DrawProjGroup::minimumBbViews(DrawProjGroupItem *viewPtrs[10],
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double &width, double &height) const
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{
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// Get bounding boxes in object scale
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Base::BoundBox3d bboxes[10];
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makeViewBbs(viewPtrs, bboxes, false);
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//TODO: note that TLF/TRF/BLF,BRF extent a bit farther than a strict row/col arrangement would suggest.
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//get widest view in each row/column
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double col0w = std::max(std::max(bboxes[0].LengthX(), bboxes[3].LengthX()), bboxes[7].LengthX()),
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col1w = std::max(std::max(bboxes[1].LengthX(), bboxes[4].LengthX()), bboxes[8].LengthX()),
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col2w = std::max(std::max(bboxes[2].LengthX(), bboxes[5].LengthX()), bboxes[9].LengthX()),
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col3w = bboxes[6].LengthX(),
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row0h = std::max(std::max(bboxes[0].LengthY(), bboxes[1].LengthY()), bboxes[2].LengthY()),
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row1h = std::max(std::max(bboxes[3].LengthY(), bboxes[4].LengthY()),
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std::max(bboxes[5].LengthY(), bboxes[6].LengthY())),
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row2h = std::max(std::max(bboxes[7].LengthY(), bboxes[8].LengthY()), bboxes[9].LengthY());
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width = col0w + col1w + col2w + col3w;
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height = row0h + row1h + row2h;
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}
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void DrawProjGroup::onChanged(const App::Property* prop)
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{
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//TODO: For some reason, when the projection type is changed, the isometric views show change appropriately, but the orthographic ones dont... Or vice-versa.
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//if group hasn't been added to page yet, can't scale or distribute projItems
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TechDraw::DrawPage *page = getPage();
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if (!isRestoring() && page) {
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if ( prop == &Views ) {
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recompute();
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} else if (prop == &Scale) {
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updateChildren(Scale.getValue());
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resetPositions();
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distributeProjections();
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} else if (prop == &ScaleType) {
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recompute();
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}
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}
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TechDraw::DrawViewCollection::onChanged(prop);
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}
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void DrawProjGroup::moveToCentre(void)
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{
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// Update the anchor view's X and Y to keep the bounding box centred on the origin
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Base::BoundBox3d tempbbox = getBoundingBox();
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DrawProjGroupItem *anchorView = dynamic_cast<DrawProjGroupItem *>(Anchor.getValue());
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if (anchorView) {
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anchorView->X.setValue((tempbbox.MinX + tempbbox.MaxX) / -2.0);
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anchorView->Y.setValue((tempbbox.MinY + tempbbox.MaxY) / -2.0);
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}
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}
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App::DocumentObject * DrawProjGroup::getProjObj(const char *viewProjType) const
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{
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for( auto it : Views.getValues() ) {
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auto projPtr( dynamic_cast<DrawProjGroupItem *>(it) );
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if( projPtr &&
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strcmp(viewProjType, projPtr->Type.getValueAsString()) == 0 ) {
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return it;
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}
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}
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return 0;
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}
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bool DrawProjGroup::checkViewProjType(const char *in)
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{
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if ( strcmp(in, "Front") == 0 ||
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strcmp(in, "Left") == 0 ||
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strcmp(in, "Right") == 0 ||
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strcmp(in, "Top") == 0 ||
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strcmp(in, "Bottom") == 0 ||
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strcmp(in, "Rear") == 0 ||
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strcmp(in, "FrontTopLeft") == 0 ||
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strcmp(in, "FrontTopRight") == 0 ||
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strcmp(in, "FrontBottomLeft") == 0 ||
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strcmp(in, "FrontBottomRight") == 0) {
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return true;
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}
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return false;
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}
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//********************************
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// ProjectionItem A/D/I
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//********************************
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bool DrawProjGroup::hasProjection(const char *viewProjType) const
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{
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for( const auto it : Views.getValues() ) {
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auto view( dynamic_cast<TechDraw::DrawProjGroupItem *>(it) );
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if( view && strcmp(viewProjType, view->Type.getValueAsString()) == 0 ) {
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return true;
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}
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}
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return false;
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}
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App::DocumentObject * DrawProjGroup::addProjection(const char *viewProjType)
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{
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//if this is the first Projection added, it should automatically be the Anchor/front view
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// or if viewProjType == "Front" Anchor.setValue(view)
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DrawProjGroupItem *view( nullptr );
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if ( checkViewProjType(viewProjType) && !hasProjection(viewProjType) ) {
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std::string FeatName = getDocument()->getUniqueObjectName("ProjItem");
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auto docObj( getDocument()->addObject( "TechDraw::DrawProjGroupItem", //add to Document
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FeatName.c_str() ) );
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if( strcmp(viewProjType,"Front") == 0 ) {
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Anchor.setValue(docObj);
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}
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view = static_cast<TechDraw::DrawProjGroupItem *>( docObj );
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view->Source.setValue( Source.getValue() );
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if (ScaleType.isValue("Automatic")) {
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view->ScaleType.setValue("Custom");
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} else {
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view->ScaleType.setValue( ScaleType.getValue() );
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}
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view->Scale.setValue( Scale.getValue() );
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view->Type.setValue( viewProjType );
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view->Label.setValue( viewProjType );
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setViewOrientation( view, viewProjType );
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addView(view); //from DrawViewCollection - add to ProjGroup Views
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moveToCentre();
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view->recompute();
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}
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return view;
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}
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int DrawProjGroup::removeProjection(const char *viewProjType)
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{
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// TODO: shouldn't be able to delete "Front" unless deleting whole group
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if ( checkViewProjType(viewProjType) ) {
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if( !hasProjection(viewProjType) ) {
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throw Base::Exception("The projection doesn't exist in the group");
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}
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// Iterate through the child views and find the projection type
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for( auto it : Views.getValues() ) {
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auto projPtr( dynamic_cast<TechDraw::DrawProjGroupItem *>(it) );
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if( projPtr ) {
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if ( strcmp(viewProjType, projPtr->Type.getValueAsString()) == 0 ) {
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removeView(projPtr); // Remove from collection
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getDocument()->remObject( it->getNameInDocument() ); // Remove from the document
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moveToCentre();
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return Views.getValues().size();
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}
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}
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}
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}
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return -1;
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}
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int DrawProjGroup::purgeProjections()
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{
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while (!Views.getValues().empty()) {
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std::vector<DocumentObject*> views = Views.getValues();
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DrawProjGroupItem* dpgi;
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DocumentObject* dObj = views.back();
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dpgi = dynamic_cast<DrawProjGroupItem*>(dObj);
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if (dpgi) {
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std::string itemName = dpgi->Type.getValueAsString();
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removeProjection(itemName.c_str());
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}
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}
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return Views.getValues().size();
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}
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void DrawProjGroup::setViewOrientation(DrawProjGroupItem *v, const char *projType) const
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{
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Base::Vector3d dir;
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// Traditional orthographic
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if(strcmp(projType, "Front") == 0) {
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dir.Set(0, -1, 0);
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} else if(strcmp(projType, "Rear") == 0) {
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dir.Set(0, 1, 0);
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} else if(strcmp(projType, "Right") == 0) {
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dir.Set(1, 0, 0);
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} else if(strcmp(projType, "Left") == 0) {
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dir.Set(-1, 0, 0);
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} else if(strcmp(projType, "Top") == 0) {
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dir.Set(0, 0, 1);
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} else if(strcmp(projType, "Bottom") == 0) {
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dir.Set(0, 0, -1);
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// Isometric
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} else if(strcmp(projType, "FrontTopLeft") == 0) {
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dir.Set(-1,-1,1);
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dir.Normalize();
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} else if(strcmp(projType, "FrontTopRight") == 0) {
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dir.Set(1, -1, 1);
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dir.Normalize();
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} else if(strcmp(projType, "FrontBottomRight") == 0) {
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dir.Set(1, -1, -1);
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dir.Normalize();
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} else if(strcmp(projType, "FrontBottomLeft") == 0) {
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dir.Set(-1, -1, -1);
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dir.Normalize();
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} else {
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throw Base::Exception("Unknown view type in DrawProjGroup::setViewOrientation()");
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}
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dir = viewOrientationMatrix.getValue() * dir; //multiply std dir by transform matrix
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v->Direction.setValue(dir);
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}
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void DrawProjGroup::arrangeViewPointers(DrawProjGroupItem *viewPtrs[10]) const
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{
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for (int i=0; i<10; ++i) {
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viewPtrs[i] = NULL;
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}
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// Determine layout - should be either "First Angle" or "Third Angle"
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const char* projType;
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if (ProjectionType.isValue("Document")) {
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projType = findParentPage()->ProjectionType.getValueAsString();
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} else {
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projType = ProjectionType.getValueAsString();
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}
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// Iterate through views and populate viewPtrs
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if ( strcmp(projType, "Third Angle") == 0 ||
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strcmp(projType, "First Angle") == 0 ) {
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// Third Angle: FTL T FTRight
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// L F Right Rear
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// FBL B FBRight
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//
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// First Angle: FBRight B FBL
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// Right F L Rear
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// FTRight T FTL
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bool thirdAngle = (strcmp(projType, "Third Angle") == 0);
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for (auto it : Views.getValues()) {
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auto oView( dynamic_cast<DrawProjGroupItem *>(it) );
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if (oView) {
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const char *viewTypeCStr = oView->Type.getValueAsString();
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if (strcmp(viewTypeCStr, "Front") == 0) {
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viewPtrs[thirdAngle ? 4 : 4] = oView;
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} else if (strcmp(viewTypeCStr, "Left") == 0) {
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viewPtrs[thirdAngle ? 3 : 5] = oView;
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} else if (strcmp(viewTypeCStr, "Right") == 0) {
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viewPtrs[thirdAngle ? 5 : 3] = oView;
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} else if (strcmp(viewTypeCStr, "Top") == 0) {
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viewPtrs[thirdAngle ? 1 : 8] = oView;
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} else if (strcmp(viewTypeCStr, "Bottom") == 0) {
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viewPtrs[thirdAngle ? 8 : 1] = oView;
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} else if (strcmp(viewTypeCStr, "Rear") == 0) {
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viewPtrs[6] = oView;
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} else if (strcmp(viewTypeCStr, "FrontTopLeft") == 0) {
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viewPtrs[thirdAngle ? 0 : 9] = oView;
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} else if (strcmp(viewTypeCStr, "FrontTopRight") == 0) {
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viewPtrs[thirdAngle ? 2 : 7] = oView;
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} else if (strcmp(viewTypeCStr, "FrontBottomLeft") == 0) {
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viewPtrs[thirdAngle ? 7 : 2] = oView;
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} else if (strcmp(viewTypeCStr, "FrontBottomRight") == 0) {
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viewPtrs[thirdAngle ? 9 : 0] = oView;
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} else {
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throw Base::Exception("Unknown view type in DrawProjGroup::arrangeViewPointers()");
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}
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}
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}
|
|
} 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]->Scale.getValue(); //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()
|
|
{
|
|
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);
|
|
|
|
// Now that things are setup, do the spacing
|
|
double scale = Scale.getValue();
|
|
if (scale < 1.0) scale = 1.0;
|
|
double xSpacing = scale * spacingX.getValue(); //in mm
|
|
double ySpacing = scale * spacingY.getValue(); //in mm
|
|
|
|
if (viewPtrs[0] &&
|
|
viewPtrs[0]->allowAutoPos() &&
|
|
bboxes[0].IsValid()) {
|
|
double displace = std::max(bboxes[0].LengthX() + bboxes[4].LengthX(),
|
|
bboxes[0].LengthY() + bboxes[4].LengthY());
|
|
viewPtrs[0]->X.setValue(displace / -2.0 - xSpacing);
|
|
viewPtrs[0]->Y.setValue(displace / 2.0 + ySpacing);
|
|
}
|
|
if (viewPtrs[1] &&
|
|
viewPtrs[1]->allowAutoPos() &&
|
|
bboxes[1].IsValid()) {
|
|
viewPtrs[1]->Y.setValue((bboxes[1].LengthY() + bboxes[4].LengthY()) / 2.0 + ySpacing);
|
|
}
|
|
if (viewPtrs[2] && viewPtrs[2]->allowAutoPos()) {
|
|
double displace = std::max(bboxes[2].LengthX() + bboxes[4].LengthX(),
|
|
bboxes[2].LengthY() + bboxes[4].LengthY());
|
|
viewPtrs[2]->X.setValue(displace / 2.0 + xSpacing);
|
|
viewPtrs[2]->Y.setValue(displace / 2.0 + ySpacing);
|
|
}
|
|
if (viewPtrs[3] &&
|
|
viewPtrs[3]->allowAutoPos() &&
|
|
bboxes[3].IsValid() &&
|
|
bboxes[4].IsValid()) {
|
|
viewPtrs[3]->X.setValue((bboxes[3].LengthX() + bboxes[4].LengthX()) / -2.0 - 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((bboxes[5].LengthX() + bboxes[4].LengthX()) / 2.0 + 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() + bboxes[5].LengthX()/2.0 + xSpacing + bboxes[6].LengthX() / 2.0 );
|
|
}else if (viewPtrs[4] &&
|
|
bboxes[4].IsValid()) {
|
|
viewPtrs[6]->X.setValue((bboxes[6].LengthX() + bboxes[4].LengthX()) / 2.0 + xSpacing);
|
|
}
|
|
}
|
|
if (viewPtrs[7] &&
|
|
viewPtrs[7]->allowAutoPos() &&
|
|
bboxes[7].IsValid()) {
|
|
double displace = std::max(bboxes[7].LengthX() + bboxes[4].LengthX(),
|
|
bboxes[7].LengthY() + bboxes[4].LengthY());
|
|
viewPtrs[7]->X.setValue(displace / -2.0 - xSpacing);
|
|
viewPtrs[7]->Y.setValue(displace / -2.0 - ySpacing);
|
|
}
|
|
if (viewPtrs[8] &&
|
|
viewPtrs[8]->allowAutoPos() &&
|
|
bboxes[8].IsValid() &&
|
|
bboxes[4].IsValid()) {
|
|
viewPtrs[8]->Y.setValue((bboxes[8].LengthY() + bboxes[4].LengthY()) / -2.0 - ySpacing);
|
|
}
|
|
if (viewPtrs[9] &&
|
|
viewPtrs[9]->allowAutoPos() &&
|
|
bboxes[9].IsValid()) {
|
|
double displace = std::max(bboxes[9].LengthX() + bboxes[4].LengthX(),
|
|
bboxes[9].LengthY() + bboxes[4].LengthY());
|
|
viewPtrs[9]->X.setValue(displace / 2.0 + xSpacing);
|
|
viewPtrs[9]->Y.setValue(displace / -2.0 - ySpacing);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
//!allow child DPGI's to be automatically positioned
|
|
void DrawProjGroup::resetPositions(void)
|
|
{
|
|
for( auto it : Views.getValues() ) {
|
|
auto view( dynamic_cast<DrawProjGroupItem *>(it) );
|
|
if( view ) {
|
|
view->setAutoPos(true);
|
|
//X,Y == 0??
|
|
}
|
|
}
|
|
}
|
|
|
|
//TODO: Turn this into a command so it can be issued from python
|
|
//????: this sets the orientation for all views, not just Front???
|
|
void DrawProjGroup::setFrontViewOrientation(const Base::Matrix4D &newMat)
|
|
{
|
|
viewOrientationMatrix.setValue(newMat);
|
|
|
|
for( auto it : Views.getValues() ) {
|
|
auto view( dynamic_cast<DrawProjGroupItem *>(it) );
|
|
if( view ) {
|
|
setViewOrientation(view, view->Type.getValueAsString());
|
|
// TODO: Seems we should ensure that modifying the view triggers this automatically? IR
|
|
view->touch();
|
|
}
|
|
}
|
|
}
|
|
|
|
App::DocumentObjectExecReturn *DrawProjGroup::execute(void)
|
|
{
|
|
//if group hasn't been added to page yet, can't scale or distribute projItems
|
|
TechDraw::DrawPage *page = getPage();
|
|
if (!page) {
|
|
return DrawViewCollection::execute();
|
|
}
|
|
|
|
double newScale = Scale.getValue();
|
|
if (ScaleType.isValue("Automatic")) {
|
|
//Recalculate scale if Group is too big or too small!
|
|
if (!checkFit(page)) {
|
|
newScale = calculateAutomaticScale();
|
|
if(std::abs(Scale.getValue() - newScale) > FLT_EPSILON) {
|
|
Scale.setValue(newScale);
|
|
}
|
|
}
|
|
} else if (ScaleType.isValue("Document")) {
|
|
newScale = page->Scale.getValue();
|
|
if(std::abs(Scale.getValue() - newScale) > FLT_EPSILON) {
|
|
Scale.setValue(newScale);
|
|
}
|
|
} else if (ScaleType.isValue("Custom")) {
|
|
//don't have to do anything special
|
|
}
|
|
|
|
// recalculate positions for children
|
|
if (Views.getSize()) {
|
|
updateChildren(newScale);
|
|
resetPositions();
|
|
distributeProjections();
|
|
}
|
|
return DrawViewCollection::execute();
|
|
}
|
|
|
|
void DrawProjGroup::updateChildren(double scale)
|
|
{
|
|
for( const auto it : Views.getValues() ) {
|
|
auto view( dynamic_cast<DrawProjGroupItem *>(it) );
|
|
if( view ) {
|
|
if (ScaleType.isValue("Automatic")) {
|
|
view->ScaleType.setValue("Custom");
|
|
view->Scale.setStatus(App::Property::ReadOnly,true);
|
|
} else if (ScaleType.isValue("Document")) {
|
|
view->ScaleType.setValue("Document");
|
|
view->Scale.setStatus(App::Property::ReadOnly,true);
|
|
} else if (ScaleType.isValue("Custom")) {
|
|
view->ScaleType.setValue("Custom");
|
|
view->Scale.setStatus(App::Property::ReadOnly,true);
|
|
}
|
|
if(std::abs(view->Scale.getValue() - scale) > FLT_EPSILON) {
|
|
view->Scale.setValue(scale);
|
|
}
|
|
view->recompute();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//!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("Document")) {
|
|
TechDraw::DrawPage * page = getPage();
|
|
if ( page != NULL ) {
|
|
ret.setValue(page->ProjectionType.getValueAsString());
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
void DrawProjGroup::onDocumentRestored()
|
|
{
|
|
DrawViewCollection::onDocumentRestored();
|
|
}
|
|
|
|
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);
|
|
}
|