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Chenwenxuan
284
actions/rs_actionlibraryinsert.cpp
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284
actions/rs_actionlibraryinsert.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 "rs_actionlibraryinsert.h"
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#include <QAction>
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#include <QMouseEvent>
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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_coordinateevent.h"
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#include "rs_math.h"
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#include "rs_preview.h"
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struct RS_ActionLibraryInsert::Points {
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RS_Graphic prev;
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RS_LibraryInsertData data;
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};
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/**
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* Constructor.
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*/
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RS_ActionLibraryInsert::RS_ActionLibraryInsert(RS_EntityContainer& container,
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RS_GraphicView& graphicView)
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:RS_PreviewActionInterface("Library Insert",
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container, graphicView)
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, pPoints(new Points{})
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,lastStatus(SetTargetPoint)
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{
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actionType=RS2::ActionLibraryInsert;
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}
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RS_ActionLibraryInsert::~RS_ActionLibraryInsert() = default;
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QAction* RS_ActionLibraryInsert::createGUIAction(RS2::ActionType /*type*/, QObject* /*parent*/) {
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QAction* action = new QAction(tr("Insert Library Object"), NULL);
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return action;
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}
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void RS_ActionLibraryInsert::init(int status) {
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RS_PreviewActionInterface::init(status);
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reset();
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}
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void RS_ActionLibraryInsert::setFile(const QString& file) {
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pPoints->data.file = file;
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if (!pPoints->prev.open(file, RS2::FormatUnknown)) {
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RS_DIALOGFACTORY->commandMessage(tr("Cannot open file '%1'").arg(file));
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}
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}
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void RS_ActionLibraryInsert::reset() {
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pPoints->data.insertionPoint = {};
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pPoints->data.factor = 1.0;
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pPoints->data.angle = 0.0;
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}
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void RS_ActionLibraryInsert::trigger() {
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deletePreview();
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RS_Creation creation(container, graphicView);
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creation.createLibraryInsert(pPoints->data);
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graphicView->redraw(RS2::RedrawDrawing);
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}
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void RS_ActionLibraryInsert::mouseMoveEvent(QMouseEvent* e) {
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switch (getStatus()) {
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case SetTargetPoint:
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pPoints->data.insertionPoint = snapPoint(e);
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//if (block) {
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deletePreview();
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preview->addAllFrom(pPoints->prev);
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preview->move(pPoints->data.insertionPoint);
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preview->scale(pPoints->data.insertionPoint,
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RS_Vector(pPoints->data.factor, pPoints->data.factor));
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// unit conversion:
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if (graphic) {
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double const uf = RS_Units::convert(1.0, pPoints->prev.getUnit(),
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graphic->getUnit());
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preview->scale(pPoints->data.insertionPoint,
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{uf, uf});
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}
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preview->rotate(pPoints->data.insertionPoint, pPoints->data.angle);
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// too slow:
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//RS_Creation creation(preview, NULL, false);
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//creation.createInsert(data);
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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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}
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void RS_ActionLibraryInsert::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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init(getStatus()-1);
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}
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}
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void RS_ActionLibraryInsert::coordinateEvent(RS_CoordinateEvent* e) {
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if (e==NULL) {
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return;
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}
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pPoints->data.insertionPoint = e->getCoordinate();
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trigger();
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}
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void RS_ActionLibraryInsert::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 SetTargetPoint:
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if (checkCommand("angle", c)) {
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deletePreview();
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lastStatus = (Status)getStatus();
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setStatus(SetAngle);
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} else if (checkCommand("factor", c)) {
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deletePreview();
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lastStatus = (Status)getStatus();
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setStatus(SetFactor);
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}
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break;
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case SetAngle: {
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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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pPoints->data.angle = RS_Math::deg2rad(a);
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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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RS_DIALOGFACTORY->requestOptions(this, true, true);
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setStatus(lastStatus);
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}
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break;
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case SetFactor: {
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bool ok;
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double f = RS_Math::eval(c, &ok);
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if (ok) {
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setFactor(f);
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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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RS_DIALOGFACTORY->requestOptions(this, true, true);
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setStatus(lastStatus);
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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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}
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QStringList RS_ActionLibraryInsert::getAvailableCommands() {
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QStringList cmd;
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switch (getStatus()) {
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case SetTargetPoint:
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cmd += command("angle");
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cmd += command("factor");
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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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return cmd;
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}
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void RS_ActionLibraryInsert::showOptions() {
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RS_ActionInterface::showOptions();
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RS_DIALOGFACTORY->requestOptions(this, true);
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}
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void RS_ActionLibraryInsert::hideOptions() {
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RS_ActionInterface::hideOptions();
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RS_DIALOGFACTORY->requestOptions(this, false);
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}
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void RS_ActionLibraryInsert::updateMouseButtonHints() {
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switch (getStatus()) {
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case SetTargetPoint:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Specify reference point"),
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tr("Cancel"));
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break;
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case SetAngle:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Enter angle:"),
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"");
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break;
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case SetFactor:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Enter factor:"),
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"");
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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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double RS_ActionLibraryInsert::getAngle() const{
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return pPoints->data.angle;
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}
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void RS_ActionLibraryInsert::setAngle(double a) {
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pPoints->data.angle = a;
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}
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double RS_ActionLibraryInsert::getFactor() const{
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return pPoints->data.factor;
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}
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void RS_ActionLibraryInsert::setFactor(double f) {
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pPoints->data.factor = f;
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}
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void RS_ActionLibraryInsert::updateMouseCursor() {
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graphicView->setMouseCursor(RS2::CadCursor);
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}
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// EOF
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