Files
newspark110/actions/rs_actionpolylinedel.cpp
Chenwenxuan edac2715f0 init
2024-03-06 14:54:30 +08:00

178 lines
5.6 KiB
C++

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