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Chenwenxuan
317
actions/rs_actiondimradial.cpp
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317
actions/rs_actiondimradial.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_actiondimradial.h"
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#include "rs_dimradial.h"
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#include "rs_dialogfactory.h"
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#include "rs_graphicview.h"
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#include "rs_commandevent.h"
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#include "rs_arc.h"
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#include "rs_circle.h"
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#include "rs_coordinateevent.h"
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#include "rs_math.h"
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#include "rs_preview.h"
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#include "rs_debug.h"
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RS_ActionDimRadial::RS_ActionDimRadial(
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RS_EntityContainer& container,
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RS_GraphicView& graphicView)
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:RS_ActionDimension("Draw Radial Dimensions",
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container, graphicView)
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,entity(nullptr)
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,pos(new RS_Vector{})
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,lastStatus(SetEntity)
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{
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actionType=RS2::ActionDimRadial;
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reset();
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}
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RS_ActionDimRadial::~RS_ActionDimRadial() = default;
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void RS_ActionDimRadial::reset() {
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RS_ActionDimension::reset();
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edata.reset(new RS_DimRadialData{{}, 0.0});
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entity = nullptr;
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*pos = {};
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lastStatus = SetEntity;
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RS_DIALOGFACTORY->requestOptions(this, true, true);
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}
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void RS_ActionDimRadial::trigger() {
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RS_ActionDimension::trigger();
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preparePreview();
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if (entity) {
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RS_DimRadial* newEntity = nullptr;
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newEntity = new RS_DimRadial(container,
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*data,
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*edata);
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newEntity->setLayerToActive();
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newEntity->setPenToActive();
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newEntity->update();
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container->addEntity(newEntity);
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// upd. undo list:
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if (document) {
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document->startUndoCycle();
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document->addUndoable(newEntity);
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document->endUndoCycle();
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}
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RS_Vector rz = graphicView->getRelativeZero();
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graphicView->redraw(RS2::RedrawDrawing);
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graphicView->moveRelativeZero(rz);
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RS_Snapper::finish();
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}
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else {
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RS_DEBUG->print("RS_ActionDimRadial::trigger:"
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" Entity is nullptr\n");
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}
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}
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void RS_ActionDimRadial::preparePreview() {
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if (entity) {
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double angle = data->definitionPoint.angleTo(*pos);
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double radius=0.0;
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if (entity->rtti()==RS2::EntityArc) {
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radius = ((RS_Arc*)entity)->getRadius();
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} else if (entity->rtti()==RS2::EntityCircle) {
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radius = ((RS_Circle*)entity)->getRadius();
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}
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edata->definitionPoint.setPolar(radius, angle);
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edata->definitionPoint += data->definitionPoint;
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}
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}
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void RS_ActionDimRadial::mouseMoveEvent(QMouseEvent* e) {
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RS_DEBUG->print("RS_ActionDimRadial::mouseMoveEvent begin");
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//RS_Vector mouse(graphicView->toGraphX(e->x()),
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// graphicView->toGraphY(e->y()));
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switch (getStatus()) {
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case SetPos:
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if (entity) {
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*pos = snapPoint(e);
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preparePreview();
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RS_DimRadial* d = new RS_DimRadial(preview.get(), *data, *edata);
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deletePreview();
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preview->addEntity(d);
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d->update();
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drawPreview();
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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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RS_DEBUG->print("RS_ActionDimRadial::mouseMoveEvent end");
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}
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void RS_ActionDimRadial::mouseReleaseEvent(QMouseEvent* e) {
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if (e->button()==Qt::LeftButton) {
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switch (getStatus()) {
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case SetEntity: {
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RS_Entity* en = catchEntity(e, RS2::ResolveAll);
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if (en) {
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if (en->rtti()==RS2::EntityArc ||
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en->rtti()==RS2::EntityCircle) {
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entity = en;
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if (entity->rtti()==RS2::EntityArc) {
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data->definitionPoint =
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static_cast<RS_Arc*>(entity)->getCenter();
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} else if (entity->rtti()==RS2::EntityCircle) {
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data->definitionPoint =
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static_cast<RS_Circle*>(entity)->getCenter();
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}
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graphicView->moveRelativeZero(data->definitionPoint);
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setStatus(SetPos);
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} else {
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RS_DIALOGFACTORY->commandMessage(tr("Not a circle "
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"or arc entity"));
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}
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}
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}
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break;
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case SetPos: {
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RS_CoordinateEvent ce(snapPoint(e));
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coordinateEvent(&ce);
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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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deletePreview();
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init(getStatus()-1);
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}
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}
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void RS_ActionDimRadial::coordinateEvent(RS_CoordinateEvent* e) {
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if (!e) return;
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switch (getStatus()) {
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case SetPos:
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*pos = e->getCoordinate();
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trigger();
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reset();
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setStatus(SetEntity);
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break;
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default:
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break;
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}
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}
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void RS_ActionDimRadial::commandEvent(RS_CommandEvent* e) {
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QString c = e->getCommand().toLower();
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if (checkCommand("help", c)) {
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RS_DIALOGFACTORY->commandMessage(msgAvailableCommands()
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+ getAvailableCommands().join(", "));
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return;
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}
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// setting new text label:
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if (getStatus()==SetText) {
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setText(c);
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RS_DIALOGFACTORY->requestOptions(this, true, true);
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graphicView->enableCoordinateInput();
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setStatus(lastStatus);
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return;
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}
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// command: text
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if (checkCommand("text", c)) {
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lastStatus = (Status)getStatus();
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graphicView->disableCoordinateInput();
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setStatus(SetText);
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}
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// setting angle
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if (getStatus()==SetPos) {
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bool ok;
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double a = RS_Math::eval(c, &ok);
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if (ok) {
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pos->setPolar(1.0, RS_Math::deg2rad(a));
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*pos += data->definitionPoint;
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trigger();
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reset();
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setStatus(SetEntity);
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} else {
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RS_DIALOGFACTORY->commandMessage(tr("Not a valid expression"));
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}
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return;
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}
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}
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QStringList RS_ActionDimRadial::getAvailableCommands() {
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QStringList cmd;
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switch (getStatus()) {
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case SetEntity:
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case SetPos:
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cmd += command("text");
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break;
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default:
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break;
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}
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return cmd;
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}
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void RS_ActionDimRadial::updateMouseButtonHints() {
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switch (getStatus()) {
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case SetEntity:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Select arc or circle entity"),
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tr("Cancel"));
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break;
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case SetPos:
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RS_DIALOGFACTORY->updateMouseWidget(
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tr("Specify dimension line position or enter angle:"),
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tr("Cancel"));
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break;
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case SetText:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Enter dimension text:"), "");
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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_ActionDimRadial::showOptions() {
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RS_ActionInterface::showOptions();
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RS_DIALOGFACTORY->requestOptions(this, true);
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//RS_DIALOGFACTORY->requestDimRadialOptions(edata, true);
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}
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void RS_ActionDimRadial::hideOptions() {
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RS_ActionInterface::hideOptions();
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//RS_DIALOGFACTORY->requestDimRadialOptions(edata, false);
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RS_DIALOGFACTORY->requestOptions(this, false);
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}
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// EOF
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