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Chenwenxuan
212
actions/rs_actionpolylinedelbetween.cpp
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212
actions/rs_actionpolylinedelbetween.cpp
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/****************************************************************************
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**
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** This file is part of the LibreCAD project, a 2D CAD program
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**
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** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
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** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
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**
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file gpl-2.0.txt included in the
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** packaging of this file.
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**
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** This program 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 General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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**
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** This copyright notice MUST APPEAR in all copies of the script!
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**
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**********************************************************************/
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#include <QAction>
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#include <QMouseEvent>
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#include "rs_actionpolylinedelbetween.h"
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#include "rs_dialogfactory.h"
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#include "rs_graphicview.h"
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#include "rs_modification.h"
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#include "rs_polyline.h"
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#include "rs_atomicentity.h"
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#include "rs_preview.h"
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#include "rs_debug.h"
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struct RS_ActionPolylineDelBetween::Points {
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RS_Vector nodePoint1;
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RS_Vector nodePoint2;
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};
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RS_ActionPolylineDelBetween::RS_ActionPolylineDelBetween(RS_EntityContainer& container,
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RS_GraphicView& graphicView)
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:RS_PreviewActionInterface("Delete between two nodes",
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container, graphicView)
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, pPoints(new Points{})
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{
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actionType=RS2::ActionPolylineDelBetween;
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}
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RS_ActionPolylineDelBetween::~RS_ActionPolylineDelBetween()=default;
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void RS_ActionPolylineDelBetween::init(int status) {
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RS_ActionInterface::init(status);
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delEntity = nullptr;
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delSegment = nullptr;
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pPoints->nodePoint1 = pPoints->nodePoint2 = RS_Vector(false);
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}
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void RS_ActionPolylineDelBetween::trigger() {
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RS_DEBUG->print("RS_ActionPolylineDelBetween::trigger()");
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if (delEntity && delSegment->isAtomic() && pPoints->nodePoint1.valid && pPoints->nodePoint2.valid) {
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delEntity->setHighlighted(false);
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graphicView->drawEntity(delEntity);
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RS_Modification m(*container, graphicView);
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delEntity = m.deletePolylineNodesBetween((RS_Polyline&)*delEntity, (RS_AtomicEntity&)*delSegment, pPoints->nodePoint1, pPoints->nodePoint2 );
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delEntity = delSegment = nullptr;
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pPoints->nodePoint1 = pPoints->nodePoint2 = RS_Vector(false);
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setStatus(SetNodePoint1);
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RS_DIALOGFACTORY->updateSelectionWidget(container->countSelected(),container->totalSelectedLength());
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}
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////////////////////////////////////////2006/06/15
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graphicView->redraw();
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////////////////////////////////////////
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}
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void RS_ActionPolylineDelBetween::mouseMoveEvent(QMouseEvent* e) {
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RS_DEBUG->print("RS_ActionPolylineDelBetween::mouseMoveEvent begin");
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switch (getStatus()) {
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case ChooseSegment:
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break;
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case SetNodePoint1:
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snapPoint(e);
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break;
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case SetNodePoint2:
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snapPoint(e);
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break;
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default:
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break;
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}
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RS_DEBUG->print("RS_ActionPolylineDelBetween::mouseMoveEvent end");
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}
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void RS_ActionPolylineDelBetween::mouseReleaseEvent(QMouseEvent* e) {
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if (e->button()==Qt::LeftButton) {
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switch (getStatus()) {
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case ChooseSegment:
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delEntity = catchEntity(e);
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if (delEntity==nullptr) {
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RS_DIALOGFACTORY->commandMessage(tr("No Entity found."));
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} else if (delEntity->rtti()!=RS2::EntityPolyline) {
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RS_DIALOGFACTORY->commandMessage(
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tr("Entity must be a polyline."));
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} else {
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snapPoint(e);
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delSegment = nullptr;
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double dist = graphicView->toGraphDX(snapRange)*0.9;
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delSegment = (RS_AtomicEntity*)((RS_Polyline*)delEntity)->getNearestEntity( RS_Vector(graphicView->toGraphX(e->x()),
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graphicView->toGraphY(e->y())), &dist, RS2::ResolveNone);
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if(delSegment == nullptr)
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break;
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delEntity->setHighlighted(true);
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graphicView->drawEntity(delEntity);
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setStatus(SetNodePoint1);
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////////////////////////////////////////2006/06/15
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graphicView->redraw();
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////////////////////////////////////////
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}
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break;
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case SetNodePoint1:
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pPoints->nodePoint1 = snapPoint(e);
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if (delEntity==nullptr) {
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RS_DIALOGFACTORY->commandMessage(tr("No Entity found."));
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} else if (!pPoints->nodePoint1.valid) {
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RS_DIALOGFACTORY->commandMessage(tr("Deleting point is invalid."));
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} else if (!delEntity->isPointOnEntity(pPoints->nodePoint1)) {
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RS_DIALOGFACTORY->commandMessage(
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tr("Deleting point is not on entity."));
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}else{
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setStatus(SetNodePoint2);
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}
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break;
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case SetNodePoint2:
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pPoints->nodePoint2 = snapPoint(e);
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if (delEntity==nullptr) {
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RS_DIALOGFACTORY->commandMessage(tr("No Entity found."));
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} else if (!pPoints->nodePoint2.valid) {
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RS_DIALOGFACTORY->commandMessage(tr("Deleting point is invalid."));
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} else if (!delEntity->isPointOnEntity(pPoints->nodePoint2)) {
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RS_DIALOGFACTORY->commandMessage(
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tr("Deleting point is not on entity."));
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} else {
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deleteSnapper();
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trigger();
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}
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break;
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default:
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break;
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}
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} else if (e->button()==Qt::RightButton) {
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deleteSnapper();
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if (delEntity) {
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delEntity->setHighlighted(false);
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graphicView->drawEntity(delEntity);
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////////////////////////////////////////2006/06/15
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graphicView->redraw();
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////////////////////////////////////////
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}
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init(getStatus()-1);
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}
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}
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void RS_ActionPolylineDelBetween::updateMouseButtonHints() {
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switch (getStatus()) {
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case ChooseSegment:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Specify polyline to delete between two nodes"),
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tr("Cancel"));
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break;
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case SetNodePoint1:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Specify first node"),
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tr("Back"));
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break;
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case SetNodePoint2:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Specify second node"),
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tr("Back"));
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break;
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default:
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RS_DIALOGFACTORY->updateMouseWidget();
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break;
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}
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}
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void RS_ActionPolylineDelBetween::updateMouseCursor() {
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graphicView->setMouseCursor(RS2::SelectCursor);
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}
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// EOF
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