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Chenwenxuan
290
actions/rs_actiondimaligned.cpp
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290
actions/rs_actiondimaligned.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<cmath>
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#include <QAction>
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#include <QMouseEvent>
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#include "rs_actiondimaligned.h"
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#include "rs_dimaligned.h"
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#include "rs_dialogfactory.h"
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#include "rs_line.h"
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#include "rs_graphicview.h"
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#include "rs_commandevent.h"
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#include "rs_constructionline.h"
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#include "rs_coordinateevent.h"
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#include "rs_preview.h"
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#include "rs_debug.h"
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RS_ActionDimAligned::RS_ActionDimAligned(RS_EntityContainer& container,
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RS_GraphicView& graphicView)
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:RS_ActionDimension("Draw aligned dimensions",
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container, graphicView) {
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actionType=RS2::ActionDimAligned;
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reset();
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}
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RS_ActionDimAligned::~RS_ActionDimAligned() = default;
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void RS_ActionDimAligned::reset() {
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RS_ActionDimension::reset();
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edata.reset(new RS_DimAlignedData(RS_Vector(false),
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RS_Vector(false))
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);
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lastStatus = SetExtPoint1;
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RS_DIALOGFACTORY->requestOptions(this, true, true);
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}
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void RS_ActionDimAligned::trigger() {
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RS_ActionDimension::trigger();
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preparePreview();
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graphicView->moveRelativeZero(data->definitionPoint);
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//data->text = getText();
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RS_DimAligned* dim =
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new RS_DimAligned(container, *data, *edata);
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dim->setLayerToActive();
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dim->setPenToActive();
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dim->update();
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container->addEntity(dim);
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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(dim);
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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_DEBUG->print("RS_ActionDimAligned::trigger():"
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" dim added: %d", dim->getId());
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}
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void RS_ActionDimAligned::preparePreview() {
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RS_Vector dirV = RS_Vector::polar(100.,
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edata->extensionPoint1.angleTo(
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edata->extensionPoint2)
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+M_PI_2);
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RS_ConstructionLine cl(nullptr,
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RS_ConstructionLineData(
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edata->extensionPoint2,
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edata->extensionPoint2+dirV));
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data->definitionPoint =
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cl.getNearestPointOnEntity(data->definitionPoint);
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}
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void RS_ActionDimAligned::mouseMoveEvent(QMouseEvent* e) {
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RS_DEBUG->print("RS_ActionDimAligned::mouseMoveEvent begin");
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RS_Vector mouse = snapPoint(e);
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switch (getStatus()) {
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case SetExtPoint1:
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break;
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case SetExtPoint2:
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if (edata->extensionPoint1.valid) {
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deletePreview();
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preview->addEntity(
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new RS_Line{preview.get(),edata->extensionPoint1, mouse}
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);
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drawPreview();
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}
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break;
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case SetDefPoint:
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if (edata->extensionPoint1.valid && edata->extensionPoint2.valid) {
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deletePreview();
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data->definitionPoint = mouse;
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preparePreview();
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//data->text = getText();
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RS_DimAligned* dim = new RS_DimAligned(preview.get(), *data, *edata);
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preview->addEntity(dim);
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dim->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_ActionDimAligned::mouseMoveEvent end");
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}
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void RS_ActionDimAligned::mouseReleaseEvent(QMouseEvent* e) {
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if (e->button()==Qt::LeftButton) {
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RS_CoordinateEvent ce(snapPoint(e));
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coordinateEvent(&ce);
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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_ActionDimAligned::coordinateEvent(RS_CoordinateEvent* e) {
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if (!e) return;
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RS_Vector pos = e->getCoordinate();
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switch (getStatus()) {
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case SetExtPoint1:
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edata->extensionPoint1 = pos;
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graphicView->moveRelativeZero(pos);
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setStatus(SetExtPoint2);
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break;
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case SetExtPoint2:
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edata->extensionPoint2 = pos;
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graphicView->moveRelativeZero(pos);
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setStatus(SetDefPoint);
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break;
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case SetDefPoint:
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data->definitionPoint = pos;
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trigger();
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reset();
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setStatus(SetExtPoint1);
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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_ActionDimAligned::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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switch (getStatus()) {
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case SetText: {
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setText(c);
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RS_DIALOGFACTORY->requestOptions(this, true, true);
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setStatus(lastStatus);
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graphicView->enableCoordinateInput();
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}
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break;
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default:
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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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break;
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}
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}
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QStringList RS_ActionDimAligned::getAvailableCommands() {
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QStringList cmd;
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switch (getStatus()) {
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case SetExtPoint1:
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case SetExtPoint2:
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case SetDefPoint:
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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_ActionDimAligned::updateMouseButtonHints() {
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switch (getStatus()) {
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case SetExtPoint1:
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RS_DIALOGFACTORY->updateMouseWidget(
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tr("Specify first extension line origin"),
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tr("Cancel"));
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break;
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case SetExtPoint2:
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RS_DIALOGFACTORY->updateMouseWidget(
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tr("Specify second extension line origin"),
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tr("Back"));
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break;
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case SetDefPoint:
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RS_DIALOGFACTORY->updateMouseWidget(
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tr("Specify dimension line location"),
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tr("Back"));
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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_ActionDimAligned::hideOptions() {
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RS_DIALOGFACTORY->requestOptions(this, false);
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RS_ActionDimension::hideOptions();
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}
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void RS_ActionDimAligned::showOptions() {
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RS_ActionDimension::showOptions();
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RS_DIALOGFACTORY->requestOptions(this, true);
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}
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// EOF
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