268 lines
8.8 KiB
C++
268 lines
8.8 KiB
C++
/***************************************************************************
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* Copyright (c) 2019 Wanderer Fan <wandererfan@gmail.com> *
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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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#endif
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#include <App/Application.h>
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#include <Base/Console.h>
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#include <Base/Exception.h>
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#include <Base/Parameter.h>
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#include "DrawPage.h"
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#include "DrawView.h"
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#include "DrawUtil.h"
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#include <Mod/TechDraw/App/DrawLeaderLinePy.h> // generated from DrawLeaderLinePy.xml
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#include "DrawLeaderLine.h"
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using namespace TechDraw;
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//===========================================================================
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// DrawLeaderLine - Base class for drawing leader based features
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//===========================================================================
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PROPERTY_SOURCE(TechDraw::DrawLeaderLine, TechDraw::DrawView)
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DrawLeaderLine::DrawLeaderLine(void)
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{
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static const char *group = "Leader";
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ADD_PROPERTY_TYPE(LeaderParent,(0),group,(App::PropertyType)(App::Prop_None),
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"View to which this leader is attached");
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LeaderParent.setScope(App::LinkScope::Global);
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ADD_PROPERTY_TYPE(WayPoints,(Base::Vector3d()) ,group, App::Prop_None,
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"Intermediate points for Leader line");
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ADD_PROPERTY_TYPE(StartSymbol, (-1), group, App::Prop_None, "Symbol (arrowhead) for start of line");
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ADD_PROPERTY_TYPE(EndSymbol, (-1), group, App::Prop_None, "Symbol (arrowhead) for end of line");
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ADD_PROPERTY_TYPE(Scalable ,(false),group,App::Prop_None,"Scale line with LeaderParent");
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ADD_PROPERTY_TYPE(AutoHorizontal ,(getDefAuto()),group,App::Prop_None,"Forces last line segment horizontal");
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//hide the DrawView properties that don't apply to Leader
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ScaleType.setStatus(App::Property::ReadOnly,true);
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ScaleType.setStatus(App::Property::Hidden,true);
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Scale.setStatus(App::Property::ReadOnly,true);
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Scale.setStatus(App::Property::Hidden,true);
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Rotation.setStatus(App::Property::ReadOnly,true);
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Rotation.setStatus(App::Property::Hidden,true);
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Caption.setStatus(App::Property::Hidden,true);
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//generally, lines/leaders are not meant to move around.
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LockPosition.setValue(true);
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}
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DrawLeaderLine::~DrawLeaderLine()
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{
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}
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void DrawLeaderLine::onChanged(const App::Property* prop)
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{
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DrawView::onChanged(prop);
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}
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short DrawLeaderLine::mustExecute() const
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{
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bool result = 0;
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if (!isRestoring()) {
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result = (LeaderParent.isTouched()); //Property changed
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}
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if (result) {
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return result;
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}
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const App::DocumentObject* docObj = getBaseObject();
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if (docObj != nullptr) {
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result = docObj->isTouched(); //object property points to is touched
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}
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if (result) {
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return result;
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}
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return DrawView::mustExecute();
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}
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App::DocumentObjectExecReturn *DrawLeaderLine::execute(void)
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{
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// Base::Console().Message("DL::execute()\n");
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if (!keepUpdated()) {
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return App::DocumentObject::StdReturn;
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}
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return DrawView::execute();
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}
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DrawView* DrawLeaderLine::getBaseView(void) const
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{
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DrawView* result = nullptr;
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App::DocumentObject* baseObj = LeaderParent.getValue();
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if (baseObj != nullptr) {
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DrawView* cast = dynamic_cast<DrawView*>(baseObj);
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if (cast != nullptr) {
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result = cast;
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}
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}
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return result;
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}
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App::DocumentObject* DrawLeaderLine::getBaseObject(void) const
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{
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App::DocumentObject* result = nullptr;
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DrawView* view = getBaseView();
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if (view != nullptr) {
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result = view;
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}
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return result;
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}
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bool DrawLeaderLine::keepUpdated(void)
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{
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bool result = false;
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DrawView* view = getBaseView();
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if (view != nullptr) {
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result = view->keepUpdated();
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}
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return result;
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}
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double DrawLeaderLine::getScale(void) const
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{
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// Base::Console().Message("DLL::getScale()\n");
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double result = 1.0;
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if (Scalable.getValue()) {
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DrawView* parent = getBaseView();
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if (parent != nullptr) {
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result = parent->getScale();
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} else {
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//TARFU
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Base::Console().Log("DrawLeaderLine - %s - scale not found. Using 1.0. \n", getNameInDocument());
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}
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}
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// Base::Console().Message("DLL::getScale - returns: %.3f\n", result);
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return result;
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}
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Base::Vector3d DrawLeaderLine::getAttachPoint(void)
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{
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Base::Vector3d result(X.getValue(),
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Y.getValue(),
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0.0);
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return result;
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}
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void DrawLeaderLine::adjustLastSegment(void)
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{
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// Base::Console().Message("DLL::adjustLastSegment()\n");
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bool adjust = AutoHorizontal.getValue();
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std::vector<Base::Vector3d> wp = WayPoints.getValues();
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if (adjust) {
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if (wp.size() > 1) {
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int iLast = wp.size() - 1;
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int iPen = wp.size() - 2;
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Base::Vector3d last = wp.at(iLast);
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Base::Vector3d penUlt = wp.at(iPen);
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last.y = penUlt.y;
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wp.at(iLast) = last;
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}
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}
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WayPoints.setValues(wp);
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}
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//middle of last line segment
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Base::Vector3d DrawLeaderLine::getTileOrigin(void) const
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{
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Base::Vector3d result;
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std::vector<Base::Vector3d> wp = WayPoints.getValues();
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if (wp.size() > 1) {
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Base::Vector3d last = wp.rbegin()[0];
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Base::Vector3d second = wp.rbegin()[1];
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result = (last + second) / 2.0;
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} else {
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Base::Console().Warning("DLL::getTileOrigin - no waypoints\n");
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}
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return result;
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}
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//start of last line segment
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Base::Vector3d DrawLeaderLine::getKinkPoint(void) const
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{
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Base::Vector3d result;
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std::vector<Base::Vector3d> wp = WayPoints.getValues();
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if (wp.size() > 1) {
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Base::Vector3d second = wp.rbegin()[1];
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result = second;
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} else {
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Base::Console().Warning("DLL::getKinkPoint - no waypoints\n");
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}
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return result;
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}
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//end of last line segment
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Base::Vector3d DrawLeaderLine::getTailPoint(void) const
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{
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Base::Vector3d result;
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std::vector<Base::Vector3d> wp = WayPoints.getValues();
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if (!wp.empty()) {
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Base::Vector3d last = wp.rbegin()[0];
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result = last;
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} else {
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Base::Console().Warning("DLL::getTailPoint - no waypoints\n");
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}
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return result;
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}
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bool DrawLeaderLine::getDefAuto(void) const
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{
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Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter().GetGroup("BaseApp")->
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GetGroup("Preferences")->GetGroup("Mod/TechDraw/LeaderLines");
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bool result = hGrp->GetBool("AutoHorizontal",true);
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return result;
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}
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PyObject *DrawLeaderLine::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 DrawLeaderLinePy(this),true);
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}
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return Py::new_reference_to(PythonObject);
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}
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// Python Drawing feature ---------------------------------------------------------
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namespace App {
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/// @cond DOXERR
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PROPERTY_SOURCE_TEMPLATE(TechDraw::DrawLeaderLinePython, TechDraw::DrawLeaderLine)
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template<> const char* TechDraw::DrawLeaderLinePython::getViewProviderName(void) const {
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return "TechDrawGui::ViewProviderLeader";
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}
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/// @endcond
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// explicit template instantiation
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template class TechDrawExport FeaturePythonT<TechDraw::DrawLeaderLine>;
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}
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