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62a681db8e1272dbe16f24f21e731b8944eba7dd
create/src/Mod/TechDraw/Gui/MDIViewPage.cpp
wandererfan 62a681db8e [TD]fix lost parent on undo
2023-06-24 19:21:25 -04:00

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/***************************************************************************
* Copyright (c) 2007 Jürgen Riegel <juergen.riegel@web.de> *
* Copyright (c) 2013 Luke Parry <l.parry@warwick.ac.uk> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
#include <QAction>
#include <QApplication>
#include <QContextMenuEvent>
#include <QMenu>
#include <QMessageBox>
#include <QPageLayout>
#include <QPageSize>
#include <QPaintEngine>
#include <QPainter>
#include <QPdfWriter>
#include <QPrintDialog>
#include <QPrintPreviewDialog>
#include <QPrinter>
#include <boost_signals2.hpp>
#include <cmath>
#endif
#include <App/Application.h>
#include <App/Document.h>
#include <App/DocumentObject.h>
#include <Base/Console.h>
#include <Base/Stream.h>
#include <Base/Tools.h>
#include <Gui/Application.h>
#include <Gui/Command.h>
#include <Gui/Document.h>
#include <Gui/FileDialog.h>
#include <Gui/MainWindow.h>
#include <Gui/Selection.h>
#include <Gui/SelectionObject.h>
#include <Gui/ViewProvider.h>
#include <Gui/WaitCursor.h>
#include <Gui/Window.h>
#include <Mod/TechDraw/App/DrawPage.h>
#include <Mod/TechDraw/App/DrawPagePy.h>
#include <Mod/TechDraw/App/DrawTemplate.h>
#include <Mod/TechDraw/App/Preferences.h>
#include "MDIViewPage.h"
#include "QGIEdge.h"
#include "QGIFace.h"
#include "QGITemplate.h"
#include "QGIVertex.h"
#include "QGIView.h"
#include "QGIViewBalloon.h"
#include "QGIViewDimension.h"
#include "QGMText.h"
#include "QGSPage.h"
#include "QGVPage.h"
#include "Rez.h"
#include "ViewProviderPage.h"
using namespace TechDrawGui;
using namespace TechDraw;
namespace bp = boost::placeholders;
/* TRANSLATOR TechDrawGui::MDIViewPage */
TYPESYSTEM_SOURCE_ABSTRACT(TechDrawGui::MDIViewPage, Gui::MDIView)
MDIViewPage::MDIViewPage(ViewProviderPage* pageVp, Gui::Document* doc, QWidget* parent)
: Gui::MDIView(doc, parent), m_vpPage(pageVp), m_orientation(QPageLayout::Landscape),
m_paperSize(QPageSize::A4), m_pagewidth(0.0), m_pageheight(0.0)
{
setMouseTracking(true);
m_toggleKeepUpdatedAction = new QAction(tr("Toggle &Keep Updated"), this);
connect(m_toggleKeepUpdatedAction, &QAction::triggered, this, &MDIViewPage::toggleKeepUpdated);
m_toggleFrameAction = new QAction(tr("Toggle &Frames"), this);
connect(m_toggleFrameAction, &QAction::triggered, this, &MDIViewPage::toggleFrame);
m_exportSVGAction = new QAction(tr("&Export SVG"), this);
connect(m_exportSVGAction, &QAction::triggered, this, qOverload<>(&MDIViewPage::saveSVG));
m_exportDXFAction = new QAction(tr("Export DXF"), this);
connect(m_exportDXFAction, &QAction::triggered, this, qOverload<>(&MDIViewPage::saveDXF));
m_exportPDFAction = new QAction(tr("Export PDF"), this);
connect(m_exportPDFAction, &QAction::triggered, this, qOverload<>(&MDIViewPage::savePDF));
m_printAllAction = new QAction(tr("Print All Pages"), this);
connect(m_printAllAction, &QAction::triggered, this, qOverload<>(&MDIViewPage::printAll));
isSelectionBlocked = false;
QString tabText = QString::fromUtf8(pageVp->getDrawPage()->getNameInDocument());
tabText += QString::fromUtf8("[*]");
setWindowTitle(tabText);
//get informed by App side about deleted DocumentObjects
App::Document* appDoc = m_vpPage->getDocument()->getDocument();
auto bnd = boost::bind(&MDIViewPage::onDeleteObject, this, bp::_1);
connectDeletedObject = appDoc->signalDeletedObject.connect(bnd);
}
MDIViewPage::~MDIViewPage() { connectDeletedObject.disconnect(); }
void MDIViewPage::setScene(QGSPage* scene, QGVPage* viewWidget)
{
m_scene = scene;
setCentralWidget(viewWidget);//this makes viewWidget a Qt child of MDIViewPage
QObject::connect(scene, &QGSPage::selectionChanged, this, &MDIViewPage::sceneSelectionChanged);
}
void MDIViewPage::setDocumentObject(const std::string& name)
{
m_objectName = name;
setObjectName(Base::Tools::fromStdString(name));
}
void MDIViewPage::setDocumentName(const std::string& name) { m_documentName = name; }
void MDIViewPage::closeEvent(QCloseEvent* event)
{
// Base::Console().Message("MDIVP::closeEvent()\n");
MDIView::closeEvent(event);
if (!event->isAccepted()) {
return;
}
detachSelection();
blockSceneSelection(true);
// when closing the view from GUI notify the view provider to mark it invisible
if (_pcDocument && !m_objectName.empty()) {
App::Document* doc = _pcDocument->getDocument();
if (doc) {
App::DocumentObject* obj = doc->getObject(m_objectName.c_str());
Gui::ViewProvider* vp = _pcDocument->getViewProvider(obj);
if (vp) {
vp->hide();
}
}
}
blockSceneSelection(false);
}
void MDIViewPage::onDeleteObject(const App::DocumentObject& obj)
{
//if this page has a QView for this obj, delete it.
blockSceneSelection(true);
if (obj.isDerivedFrom(TechDraw::DrawView::getClassTypeId())) {
(void)m_scene->removeQViewByName(obj.getNameInDocument());
}
blockSceneSelection(false);
}
bool MDIViewPage::onMsg(const char* pMsg, const char**)
{
Gui::Document* doc(getGuiDocument());
if (!doc) {
return false;
}
else if (strcmp("ViewFit", pMsg) == 0) {
viewAll();
return true;
}
else if (strcmp("Save", pMsg) == 0) {
doc->save();
return true;
}
else if (strcmp("SaveAs", pMsg) == 0) {
doc->saveAs();
return true;
}
else if (strcmp("Undo", pMsg) == 0) {
doc->undo(1);
Gui::Command::updateActive();
fixSceneDependencies(); // check QGraphicsScene item parenting
return true;
}
else if (strcmp("Redo", pMsg) == 0) {
doc->redo(1);
Gui::Command::updateActive();
return true;
}
return false;
}
bool MDIViewPage::onHasMsg(const char* pMsg) const
{
if (strcmp("ViewFit", pMsg) == 0) {
return true;
}
else if (strcmp("Redo", pMsg) == 0 && getAppDocument()->getAvailableRedos() > 0) {
return true;
}
else if (strcmp("Undo", pMsg) == 0 && getAppDocument()->getAvailableUndos() > 0) {
return true;
}
else if (strcmp("Print", pMsg) == 0) {
return true;
}
else if (strcmp("Save", pMsg) == 0) {
return true;
}
else if (strcmp("SaveAs", pMsg) == 0) {
return true;
}
else if (strcmp("PrintPreview", pMsg) == 0) {
return true;
}
else if (strcmp("PrintPdf", pMsg) == 0) {
return true;
}
else if (strcmp("PrintAll", pMsg) == 0) {
return true;
}
return false;
}
//called by ViewProvider when Page feature Label changes
void MDIViewPage::setTabText(std::string tabText)
{
if (!isPassive() && !tabText.empty()) {
QString cap = QString::fromLatin1("%1 [*]").arg(QString::fromUtf8(tabText.c_str()));
setWindowTitle(cap);
}
}
// advise the page to check QGraphicsScene parent/child relationships after undo
void MDIViewPage::fixSceneDependencies()
{
if (getViewProviderPage()) {
getViewProviderPage()->fixSceneDependencies();
}
}
//**** printing routines
void MDIViewPage::getPaperAttributes()
{
App::DocumentObject* obj = m_vpPage->getDrawPage()->Template.getValue();
auto pageTemplate(dynamic_cast<TechDraw::DrawTemplate*>(obj));
if (pageTemplate) {
m_pagewidth = pageTemplate->Width.getValue();
m_pageheight = pageTemplate->Height.getValue();
}
m_paperSize = QPageSize::id(QSizeF(m_pagewidth, m_pageheight), QPageSize::Millimeter,
QPageSize::FuzzyOrientationMatch);
if (m_pagewidth > m_pageheight) {
m_orientation = QPageLayout::Landscape;
}
else {
m_orientation = QPageLayout::Portrait;
}
}
void MDIViewPage::printPdf()
{
QStringList filter;
filter << QObject::tr("PDF (*.pdf)");
filter << QObject::tr("All Files (*.*)");
QString fn =
Gui::FileDialog::getSaveFileName(Gui::getMainWindow(), QObject::tr("Export Page As PDF"),
QString(), filter.join(QLatin1String(";;")));
if (fn.isEmpty()) {
return;
}
Gui::WaitCursor wc;
std::string utf8Content = fn.toUtf8().constData();
printPdf(utf8Content);
}
void MDIViewPage::printPdf(std::string file)
{
if (file.empty()) {
Base::Console().Warning("MDIViewPage - no file specified\n");
return;
}
getPaperAttributes();
QString filename = QString::fromUtf8(file.data(), file.size());
QPrinter printer(QPrinter::HighResolution);
printer.setFullPage(true);
printer.setOutputFileName(filename);
if (m_paperSize == QPageSize::Ledger) {
printer.setPageOrientation((QPageLayout::Orientation)(1 - m_orientation));//reverse 0/1
}
else {
printer.setPageOrientation(m_orientation);
}
if (m_paperSize == QPageSize::Custom) {
printer.setPageSize(QPageSize(QSizeF(m_pagewidth, m_pageheight), QPageSize::Millimeter));
}
else {
printer.setPageSize(QPageSize(m_paperSize));
}
print(&printer);
}
void MDIViewPage::print()
{
// Base::Console().Message("MDIVP::print()\n");
getPaperAttributes();
QPrinter printer(QPrinter::HighResolution);
printer.setFullPage(true);
if (m_paperSize == QPageSize::Custom) {
printer.setPageSize(QPageSize(QSizeF(m_pagewidth, m_pageheight), QPageSize::Millimeter));
}
else {
printer.setPageSize(QPageSize(m_paperSize));
}
printer.setPageOrientation(m_orientation);
QPrintDialog dlg(&printer, this);
if (dlg.exec() == QDialog::Accepted) {
print(&printer);
}
}
void MDIViewPage::printPreview()
{
getPaperAttributes();
QPrinter printer(QPrinter::HighResolution);
printer.setFullPage(true);
if (m_paperSize == QPageSize::Custom) {
printer.setPageSize(QPageSize(QSizeF(m_pagewidth, m_pageheight), QPageSize::Millimeter));
}
else {
printer.setPageSize(QPageSize(m_paperSize));
}
printer.setPageOrientation(m_orientation);
QPrintPreviewDialog dlg(&printer, this);
connect(&dlg, &QPrintPreviewDialog::paintRequested, this, qOverload<QPrinter*>(&MDIViewPage::print));
dlg.exec();
}
void MDIViewPage::print(QPrinter* printer)
{
// Base::Console().Message("MDIVP::print(printer)\n");
getPaperAttributes();
// As size of the render area paperRect() should be used. When performing a real
// print pageRect() may also work but the output is cropped at the bottom part.
// So, independent whether pageRect() or paperRect() is used there is no scaling effect.
// However, when using a different paper size as set in the drawing template (e.g.
// DIN A5 instead of DIN A4) then the output is scaled.
//
// When creating a PDF file there seems to be no difference between pageRect() and
// paperRect().
//
// When showing the preview of a print paperRect() must be used because with pageRect()
// a certain scaling effect can be observed and the content becomes smaller.
QPaintEngine::Type paintType = printer->paintEngine()->type();
if (printer->outputFormat() == QPrinter::NativeFormat) {
QPageSize::PageSizeId psPrtSetting = printer->pageLayout().pageSize().id();
// for the preview a 'Picture' paint engine is used which we don't
// care if it uses wrong printer settings
bool doPrint = paintType != QPaintEngine::Picture;
if (doPrint && printer->pageLayout().orientation() != m_orientation) {
int ret = QMessageBox::warning(
this, tr("Different orientation"),
tr("The printer uses a different orientation than the drawing.\n"
"Do you want to continue?"),
QMessageBox::Yes | QMessageBox::No);
if (ret != QMessageBox::Yes) {
return;
}
}
if (doPrint && psPrtSetting != m_paperSize) {
int ret = QMessageBox::warning(
this, tr("Different paper size"),
tr("The printer uses a different paper size than the drawing.\n"
"Do you want to continue?"),
QMessageBox::Yes | QMessageBox::No);
if (ret != QMessageBox::Yes) {
return;
}
}
}
QPainter p(printer);
if (!p.isActive() && !printer->outputFileName().isEmpty()) {
qApp->setOverrideCursor(Qt::ArrowCursor);
QMessageBox::critical(
this, tr("Opening file failed"),
tr("Can not open file %1 for writing.").arg(printer->outputFileName()));
qApp->restoreOverrideCursor();
return;
}
QRect targetRect = printer->pageLayout().fullRectPixels(printer->resolution());
#ifdef Q_OS_WIN32
// On Windows the preview looks broken when using paperRect as render area.
// Although the picture is scaled when using pageRect, it looks just fine.
if (paintType == QPaintEngine::Picture) {
targetRect = printer->pageLayout().paintRectPixels(printer->resolution());
}
#endif
//bool block =
static_cast<void>(blockSelection(true));// avoid to be notified by itself
Gui::Selection().clearSelection();
bool saveState = m_vpPage->getFrameState();
m_vpPage->setFrameState(false);
m_vpPage->setTemplateMarkers(false);
m_scene->refreshViews();
Gui::Selection().clearSelection();
App::DocumentObject* obj = m_vpPage->getDrawPage()->Template.getValue();
auto pageTemplate(dynamic_cast<TechDraw::DrawTemplate*>(obj));
double width = 0.0;
double height = 0.0;
if (pageTemplate) {
width = Rez::guiX(pageTemplate->Width.getValue());
height = Rez::guiX(pageTemplate->Height.getValue());
}
QRectF sourceRect(0.0, -height, width, height);
//scene might be drawn in light text. we need to redraw in normal text.
bool saveLightOnDark = Preferences::lightOnDark();
if (Preferences::lightOnDark()) {
Preferences::lightOnDark(false);
m_vpPage->getQGSPage()->redrawAllViews();
m_vpPage->getQTemplate()->updateView();
}
m_scene->render(&p, targetRect, sourceRect);
// Reset
m_vpPage->setFrameState(saveState);
m_vpPage->setTemplateMarkers(saveState);
Preferences::lightOnDark(saveLightOnDark);
m_scene->refreshViews();
m_vpPage->getQTemplate()->updateView();
//bool block =
static_cast<void>(blockSelection(false));
}
//static routine to print all pages in a document
void MDIViewPage::printAll(QPrinter* printer, App::Document* doc)
{
// Base::Console().Message("MDIVP::printAll()\n");
QPainter painter(printer);
QPageLayout pageLayout = printer->pageLayout();
bool firstTime = true;
std::vector<App::DocumentObject*> docObjs =
doc->getObjectsOfType(TechDraw::DrawPage::getClassTypeId());
for (auto& obj : docObjs) {
Gui::ViewProvider* vp = Gui::Application::Instance->getViewProvider(obj);
if (!vp) {
continue;// can't print this one
}
TechDrawGui::ViewProviderPage* vpp = dynamic_cast<TechDrawGui::ViewProviderPage*>(vp);
if (!vpp) {
continue;// can't print this one
}
TechDraw::DrawPage* dp = static_cast<TechDraw::DrawPage*>(obj);
double width = 297.0;//default to A4 Landscape 297 x 210
double height = 210.0;
setPageLayout(pageLayout, dp, width, height);
printer->setPageLayout(pageLayout);
//for some reason the first page doesn't obey the pageLayout, so we have to print
//a sacrificial blank page, but we make it a feature instead of a bug by printing a
//table of contents on the sacrificial page.
if (firstTime) {
firstTime = false;
printBannerPage(printer, painter, pageLayout, doc, docObjs);
}
printer->newPage();
QRectF sourceRect(0.0, Rez::guiX(-height), Rez::guiX(width), Rez::guiX(height));
QRect targetRect = printer->pageLayout().fullRectPixels(printer->resolution());
renderPage(vpp, painter, sourceRect, targetRect);
}
painter.end();
}
//static routine to print all pages in a document to pdf
void MDIViewPage::printAllPdf(QPrinter* printer, App::Document* doc)
{
// Base::Console().Message("MDIVP::printAllPdf()\n");
QString outputFile = printer->outputFileName();
QString documentName = QString::fromUtf8(doc->getName());
QPdfWriter pdfWriter(outputFile);
// setPdfVersion sets the printied PDF Version to comply with PDF/A-1b, more details under: https://www.kdab.com/creating-pdfa-documents-qt/
pdfWriter.setPdfVersion(QPagedPaintDevice::PdfVersion_A1b);
pdfWriter.setTitle(documentName);
pdfWriter.setResolution(printer->resolution());
QPainter painter(&pdfWriter);
QPageLayout pageLayout = printer->pageLayout();
double dpmm = printer->resolution() / 25.4;
bool firstTime = true;
std::vector<App::DocumentObject*> docObjs =
doc->getObjectsOfType(TechDraw::DrawPage::getClassTypeId());
for (auto& obj : docObjs) {
Gui::ViewProvider* vp = Gui::Application::Instance->getViewProvider(obj);
if (!vp) {
continue;// can't print this one
}
TechDrawGui::ViewProviderPage* vpp = dynamic_cast<TechDrawGui::ViewProviderPage*>(vp);
if (!vpp) {
continue;// can't print this one
}
TechDraw::DrawPage* dp = static_cast<TechDraw::DrawPage*>(obj);
double width = 297.0;//default to A4 Landscape 297 x 210
double height = 210.0;
setPageLayout(pageLayout, dp, width, height);
pdfWriter.setPageLayout(pageLayout);
//for some reason the first page doesn't obey the pageLayout, so we have to print
//a sacrificial blank page, but we make it a feature instead of a bug by printing a
//table of contents on the sacrificial page.
if (firstTime) {
firstTime = false;
printBannerPage(printer, painter, pageLayout, doc, docObjs);
}
pdfWriter.newPage();
QRectF sourceRect(0.0, Rez::guiX(-height), Rez::guiX(width), Rez::guiX(height));
QRect targetRect(0, 0, width * dpmm, height * dpmm);
renderPage(vpp, painter, sourceRect, targetRect);
}
painter.end();
}
//static
void MDIViewPage::printBannerPage(QPrinter* printer, QPainter& painter, QPageLayout& pageLayout,
App::Document* doc, std::vector<App::DocumentObject*>& docObjs)
{
QFont savePainterFont = painter.font();
QFont painterFont;
painterFont.setFamily(Preferences::labelFontQString());
int fontSizeMM = Preferences::labelFontSizeMM();
double dpmm = printer->resolution() / 25.4;
int fontSizePx = fontSizeMM * dpmm;
painterFont.setPixelSize(fontSizePx);
painter.setFont(painterFont);
//print a header
QString docLine = QObject::tr("Document Name: ") + QString::fromUtf8(doc->getName());
int leftMargin = pageLayout.margins().left() * dpmm + 5 * dpmm; //layout margin + 5mm
int verticalPos = pageLayout.margins().top() * dpmm + 20 * dpmm;//layout margin + 20mm
int verticalSpacing = 2; //double space
painter.drawText(leftMargin, verticalPos, docLine);
//leave some blank space between document name and page entries
verticalPos += 2 * verticalSpacing * fontSizePx;
for (auto& obj : docObjs) {
//print a line for each page
QString pageLine = QString::fromUtf8(obj->getNameInDocument()) + QString::fromUtf8(" / ")
+ QString::fromUtf8(obj->Label.getValue());
painter.drawText(leftMargin, verticalPos, pageLine);
verticalPos += verticalSpacing * fontSizePx;
}
painter.setFont(savePainterFont);//restore the original font
}
//static
void MDIViewPage::renderPage(ViewProviderPage* vpp, QPainter& painter, QRectF& sourceRect,
QRect& targetRect)
{
//turn off view frames for print
bool saveState = vpp->getFrameState();
vpp->setFrameState(false);
vpp->setTemplateMarkers(false);
//scene might be drawn in light text. we need to redraw in normal text.
bool saveLightOnDark = Preferences::lightOnDark();
if (Preferences::lightOnDark()) {
Preferences::lightOnDark(false);
vpp->getQGSPage()->redrawAllViews();
}
vpp->getQGSPage()->refreshViews();
vpp->getQGSPage()->render(&painter, targetRect, sourceRect);
// Reset
vpp->setFrameState(saveState);
vpp->setTemplateMarkers(saveState);
Preferences::lightOnDark(saveLightOnDark);
vpp->getQGSPage()->refreshViews();
}
//static
void MDIViewPage::setPageLayout(QPageLayout& pageLayout, TechDraw::DrawPage* dPage, double& width,
double& height)
{
auto pageTemplate(dynamic_cast<TechDraw::DrawTemplate*>(dPage->Template.getValue()));
if (pageTemplate) {
width = pageTemplate->Width.getValue();
height = pageTemplate->Height.getValue();
}
//Qt's page size determination assumes Portrait orientation. To get the right paper size
//we need to ask in the proper form.
QPageSize::PageSizeId paperSizeID =
QPageSize::id(QSizeF(std::min(width, height), std::max(width, height)),
QPageSize::Millimeter, QPageSize::FuzzyOrientationMatch);
if (paperSizeID == QPageSize::Custom) {
pageLayout.setPageSize(QPageSize(QSizeF(std::min(width, height), std::max(width, height)),
QPageSize::Millimeter));
}
else {
pageLayout.setPageSize(QPageSize(paperSizeID));
}
pageLayout.setOrientation((QPageLayout::Orientation)dPage->getOrientation());
}
PyObject* MDIViewPage::getPyObject()
{
if (!pythonObject) {
pythonObject = new MDIViewPagePy(this);
}
Py_INCREF(pythonObject);
return pythonObject;
}
void MDIViewPage::contextMenuEvent(QContextMenuEvent* event)
{
// Base::Console().Message("MDIVP::contextMenuEvent() - reason: %d\n", event->reason());
QMenu menu;
menu.addAction(m_toggleFrameAction);
menu.addAction(m_toggleKeepUpdatedAction);
menu.addAction(m_exportSVGAction);
menu.addAction(m_exportDXFAction);
menu.addAction(m_exportPDFAction);
menu.addAction(m_printAllAction);
menu.exec(event->globalPos());
}
void MDIViewPage::toggleFrame() { m_vpPage->toggleFrameState(); }
void MDIViewPage::toggleKeepUpdated()
{
bool state = m_vpPage->getDrawPage()->KeepUpdated.getValue();
m_vpPage->getDrawPage()->KeepUpdated.setValue(!state);
}
void MDIViewPage::viewAll()
{
m_vpPage->getQGVPage()->fitInView(m_scene->itemsBoundingRect(), Qt::KeepAspectRatio);
}
void MDIViewPage::saveSVG()
{
QStringList filter;
filter << QObject::tr("SVG (*.svg)");
filter << QObject::tr("All Files (*.*)");
QString fn =
Gui::FileDialog::getSaveFileName(Gui::getMainWindow(), QObject::tr("Export page as SVG"),
QString(), filter.join(QLatin1String(";;")));
if (fn.isEmpty()) {
return;
}
static_cast<void>(blockSelection(true));// avoid to be notified by itself
m_scene->saveSvg(fn);
}
void MDIViewPage::saveSVG(std::string file)
{
if (file.empty()) {
Base::Console().Warning("MDIViewPage - no file specified\n");
return;
}
QString filename = QString::fromUtf8(file.data(), file.size());
m_scene->saveSvg(filename);
}
void MDIViewPage::saveDXF()
{
QString defaultDir;
QString fileName = Gui::FileDialog::getSaveFileName(
Gui::getMainWindow(), QString::fromUtf8(QT_TR_NOOP("Save DXF file")), defaultDir,
QString::fromUtf8(QT_TR_NOOP("DXF (*.dxf)")));
if (fileName.isEmpty()) {
return;
}
std::string sFileName = fileName.toUtf8().constData();
saveDXF(sFileName);
}
void MDIViewPage::saveDXF(std::string fileName)
{
TechDraw::DrawPage* page = m_vpPage->getDrawPage();
std::string PageName = page->getNameInDocument();
fileName = Base::Tools::escapeEncodeFilename(fileName);
Gui::Command::openCommand(QT_TRANSLATE_NOOP("Command", "Save page to dxf"));
Gui::Command::doCommand(Gui::Command::Doc, "import TechDraw");
Gui::Command::doCommand(Gui::Command::Doc,
"TechDraw.writeDXFPage(App.activeDocument().%s, u\"%s\")",
PageName.c_str(), (const char*)fileName.c_str());
Gui::Command::commitCommand();
}
void MDIViewPage::savePDF() { printPdf(); }
void MDIViewPage::savePDF(std::string file) { printPdf(file); }
//mdiviewpage method for printAll action
void MDIViewPage::printAll()
{
// Base::Console().Message("MDIVP::printAll()\n");
printAllPages();
}
//static routine for PrintAll command
void MDIViewPage::printAllPages()
{
QPrinter printer(QPrinter::HighResolution);
printer.setFullPage(true);
QPrintDialog dlg(&printer, Gui::getMainWindow());
if (dlg.exec() == QDialog::Accepted) {
App::Document* doc = App::GetApplication().getActiveDocument();
if (!doc) {
return;
}
if (printer.outputFileName().isEmpty()) {
printAll(&printer, doc);
}
else {
printAllPdf(&printer, doc);
}
}
}
/////////////// Selection Routines ///////////////////
// wf: this is never executed???
// needs a signal from Scene? hoverEvent? Scene does not emit signal for "preselect"
// there is no "preSelect" signal from Gui either.
void MDIViewPage::preSelectionChanged(const QPoint& pos)
{
QObject* obj = QObject::sender();
if (!obj) {
return;
}
auto view(dynamic_cast<QGIView*>(obj));
if (!view) {
return;
}
QGraphicsItem* parent = view->parentItem();
if (!parent) {
return;
}
TechDraw::DrawView* viewObj = view->getViewObject();
std::stringstream ss;
QGIFace* face = dynamic_cast<QGIFace*>(obj);
QGIEdge* edge = dynamic_cast<QGIEdge*>(obj);
QGIVertex* vert = dynamic_cast<QGIVertex*>(obj);
if (edge) {
ss << "Edge" << edge->getProjIndex();
//bool accepted =
static_cast<void>(Gui::Selection().setPreselect(viewObj->getDocument()->getName(),
viewObj->getNameInDocument(),
ss.str().c_str(), pos.x(), pos.y(), 0));
}
else if (vert) {
ss << "Vertex" << vert->getProjIndex();
//bool accepted =
static_cast<void>(Gui::Selection().setPreselect(viewObj->getDocument()->getName(),
viewObj->getNameInDocument(),
ss.str().c_str(), pos.x(), pos.y(), 0));
}
else if (face) {
ss << "Face"
<< face->getProjIndex();//TODO: SectionFaces have ProjIndex = -1. (but aren't selectable?) Problem?
//bool accepted =
static_cast<void>(Gui::Selection().setPreselect(viewObj->getDocument()->getName(),
viewObj->getNameInDocument(),
ss.str().c_str(), pos.x(), pos.y(), 0));
}
else {
ss << "";
Gui::Selection().setPreselect(viewObj->getDocument()->getName(),
viewObj->getNameInDocument(), ss.str().c_str(), pos.x(),
pos.y(), 0);
}
}
//flag to prevent selection activity within mdivp
void MDIViewPage::blockSceneSelection(const bool isBlocked) { isSelectionBlocked = isBlocked; }
//Set all QGIViews to unselected state
void MDIViewPage::clearSceneSelection()
{
// Base::Console().Message("MDIVP::clearSceneSelection()\n");
blockSceneSelection(true);
m_qgSceneSelected.clear();
std::vector<QGIView*> views = m_scene->getViews();
// Iterate through all views and unselect all
for (std::vector<QGIView*>::iterator it = views.begin(); it != views.end(); ++it) {
QGIView* item = *it;
bool state = item->isSelected();
//handle oddballs
QGIViewDimension* dim = dynamic_cast<QGIViewDimension*>(*it);
if (dim) {
state = dim->getDatumLabel()->isSelected();
}
else {
QGIViewBalloon* bal = dynamic_cast<QGIViewBalloon*>(*it);
if (bal) {
state = bal->getBalloonLabel()->isSelected();
}
}
if (state) {
item->setGroupSelection(false);
item->updateView();
}
}
blockSceneSelection(false);
}
//!Update QGIView's selection state based on Selection made outside Drawing Interface
void MDIViewPage::selectQGIView(App::DocumentObject* obj, const bool isSelected)
{
QGIView* view = m_scene->findQViewForDocObj(obj);
blockSceneSelection(true);
if (view) {
view->setGroupSelection(isSelected);
view->updateView();
}
blockSceneSelection(false);
}
//! invoked by selection change made in Tree via father MDIView
//really "onTreeSelectionChanged"
void MDIViewPage::onSelectionChanged(const Gui::SelectionChanges& msg)
{
// Base::Console().Message("MDIVP::onSelectionChanged()\n");
std::vector<Gui::SelectionSingleton::SelObj> selObjs =
Gui::Selection().getSelection(msg.pDocName);
if (msg.Type == Gui::SelectionChanges::ClrSelection) {
clearSceneSelection();
}
else if (msg.Type == Gui::SelectionChanges::SetSelection) {//replace entire selection set
clearSceneSelection();
blockSceneSelection(true);
for (auto& so : selObjs) {
if (so.pObject->isDerivedFrom(TechDraw::DrawView::getClassTypeId())) {
selectQGIView(so.pObject, true);
}
}
blockSceneSelection(false);
}
else if (msg.Type == Gui::SelectionChanges::AddSelection) {
blockSceneSelection(true);
for (auto& so : selObjs) {
if (so.pObject->isDerivedFrom(TechDraw::DrawView::getClassTypeId())) {
selectQGIView(so.pObject, true);
}
}
blockSceneSelection(false);
}
}
//! maintain QGScene selected items in selection order
void MDIViewPage::sceneSelectionManager()
{
// Base::Console().Message("MDIVP::sceneSelectionManager()\n");
QList<QGraphicsItem*> sceneSel = m_scene->selectedItems();
if (sceneSel.isEmpty()) {
m_qgSceneSelected.clear();//TODO: need to signal somebody? Tree? handled elsewhere
//clearSelection
return;
}
if (m_qgSceneSelected.isEmpty() && !sceneSel.isEmpty()) {
m_qgSceneSelected.push_back(sceneSel.front());
return;
}
//add to m_qgSceneSelected anything that is in q_sceneSel
for (auto qts : sceneSel) {
bool found = false;
for (auto ms : qAsConst(m_qgSceneSelected)) {
if (qts == ms) {
found = true;
break;
}
}
if (!found) {
m_qgSceneSelected.push_back(qts);
break;
}
}
//remove items from m_qgSceneSelected that are not in q_sceneSel
QList<QGraphicsItem*> m_new;
for (auto m : qAsConst(m_qgSceneSelected)) {
for (auto q : sceneSel) {
if (m == q) {
m_new.push_back(m);
break;
}
}
}
m_qgSceneSelected = m_new;
}
//! update Tree Selection from QGraphicsScene selection
//triggered by m_scene signal
void MDIViewPage::sceneSelectionChanged()
{
sceneSelectionManager();
if (isSelectionBlocked) {
return;
}
std::vector<Gui::SelectionObject> treeSel = Gui::Selection().getSelectionEx();
QList<QGraphicsItem*> sceneSel = m_qgSceneSelected;
//check if really need to change selection
bool sameSel = compareSelections(treeSel, sceneSel);
if (sameSel) {
return;
}
setTreeToSceneSelect();
}
//Note: Qt says: "no guarantee of selection order"!!!
void MDIViewPage::setTreeToSceneSelect()
{
// Base::Console().Message("MDIVP::setTreeToSceneSelect()\n");
bool saveBlock = blockSelection(true);// block selectionChanged signal from Tree/Observer
blockSceneSelection(true);
Gui::Selection().clearSelection();
QList<QGraphicsItem*> sceneSel = m_qgSceneSelected;
for (QList<QGraphicsItem*>::iterator it = sceneSel.begin(); it != sceneSel.end(); ++it) {
QGIView* itemView = dynamic_cast<QGIView*>(*it);
if (!itemView) {
QGIEdge* edge = dynamic_cast<QGIEdge*>(*it);
if (edge) {
QGraphicsItem* parent = edge->parentItem();
if (!parent) {
continue;
}
QGIView* viewItem = dynamic_cast<QGIView*>(parent);
if (!viewItem) {
continue;
}
TechDraw::DrawView* viewObj = viewItem->getViewObject();
std::stringstream ss;
ss << "Edge" << edge->getProjIndex();
//bool accepted =
static_cast<void>(Gui::Selection().addSelection(viewObj->getDocument()->getName(),
viewObj->getNameInDocument(),
ss.str().c_str()));
showStatusMsg(viewObj->getDocument()->getName(), viewObj->getNameInDocument(),
ss.str().c_str());
continue;
}
QGIVertex* vert = dynamic_cast<QGIVertex*>(*it);
if (vert) {
QGraphicsItem* parent = vert->parentItem();
if (!parent) {
continue;
}
QGIView* viewItem = dynamic_cast<QGIView*>(parent);
if (!viewItem) {
continue;
}
TechDraw::DrawView* viewObj = viewItem->getViewObject();
std::stringstream ss;
ss << "Vertex" << vert->getProjIndex();
//bool accepted =
static_cast<void>(Gui::Selection().addSelection(viewObj->getDocument()->getName(),
viewObj->getNameInDocument(),
ss.str().c_str()));
showStatusMsg(viewObj->getDocument()->getName(), viewObj->getNameInDocument(),
ss.str().c_str());
continue;
}
QGIFace* face = dynamic_cast<QGIFace*>(*it);
if (face) {
QGraphicsItem* parent = face->parentItem();
if (!parent) {
continue;
}
QGIView* viewItem = dynamic_cast<QGIView*>(parent);
if (!viewItem) {
continue;
}
TechDraw::DrawView* viewObj = viewItem->getViewObject();
std::stringstream ss;
ss << "Face" << face->getProjIndex();
//bool accepted =
static_cast<void>(Gui::Selection().addSelection(viewObj->getDocument()->getName(),
viewObj->getNameInDocument(),
ss.str().c_str()));
showStatusMsg(viewObj->getDocument()->getName(), viewObj->getNameInDocument(),
ss.str().c_str());
continue;
}
QGIDatumLabel* dimLabel = dynamic_cast<QGIDatumLabel*>(*it);
if (dimLabel) {
QGraphicsItem* dimParent = dimLabel->QGraphicsItem::parentItem();
if (!dimParent) {
continue;
}
QGIView* dimItem = dynamic_cast<QGIView*>(dimParent);
if (!dimItem) {
continue;
}
TechDraw::DrawView* dimObj = dimItem->getViewObject();
if (!dimObj) {
continue;
}
const char* name = dimObj->getNameInDocument();
if (!name) {//can happen during undo/redo if Dim is selected???
//Base::Console().Log("INFO - MDIVP::sceneSelectionChanged - dimObj name is null!\n");
continue;
}
//bool accepted =
static_cast<void>(Gui::Selection().addSelection(dimObj->getDocument()->getName(),
dimObj->getNameInDocument()));
}
QGMText* mText = dynamic_cast<QGMText*>(*it);
if (mText) {
QGraphicsItem* textParent = mText->QGraphicsItem::parentItem();
if (!textParent) {
continue;
}
QGIView* parent = dynamic_cast<QGIView*>(textParent);
if (!parent) {
continue;
}
TechDraw::DrawView* parentFeat = parent->getViewObject();
if (!parentFeat) {
continue;
}
const char* name = parentFeat->getNameInDocument();
if (!name) {//can happen during undo/redo if Dim is selected???
continue;
}
//bool accepted =
static_cast<void>(Gui::Selection().addSelection(
parentFeat->getDocument()->getName(), parentFeat->getNameInDocument()));
}
}
else {
TechDraw::DrawView* viewObj = itemView->getViewObject();
if (viewObj && !viewObj->isRemoving()) {
std::string doc_name = viewObj->getDocument()->getName();
std::string obj_name = viewObj->getNameInDocument();
Gui::Selection().addSelection(doc_name.c_str(), obj_name.c_str());
showStatusMsg(doc_name.c_str(), obj_name.c_str(), "");
}
}
}
blockSceneSelection(false);
blockSelection(saveBlock);
}
bool MDIViewPage::compareSelections(std::vector<Gui::SelectionObject> treeSel,
QList<QGraphicsItem*> sceneSel)
{
bool result = true;
if (treeSel.empty() && sceneSel.empty()) {
return true;
}
else if (treeSel.empty() && !sceneSel.empty()) {
return false;
}
else if (!treeSel.empty() && sceneSel.empty()) {
return false;
}
int treeCount = 0;
int sceneCount = 0;
int ppCount = 0;
std::vector<std::string> treeNames;
std::vector<std::string> sceneNames;
for (auto tn : treeSel) {
if (tn.getObject()->isDerivedFrom(TechDraw::DrawView::getClassTypeId())) {
std::string s = tn.getObject()->getNameInDocument();
treeNames.push_back(s);
}
}
std::sort(treeNames.begin(), treeNames.end());
treeCount = treeNames.size();
for (auto sn : sceneSel) {
QGIView* itemView = dynamic_cast<QGIView*>(sn);
if (!itemView) {
QGIDatumLabel* dl = dynamic_cast<QGIDatumLabel*>(sn);
QGIPrimPath* pp = dynamic_cast<QGIPrimPath*>(sn);//count Vertex/Edge/Face
if (pp) {
ppCount++;
}
else if (dl) {
//get dim associated with this label
QGraphicsItem* qgi = dl->parentItem();
if (qgi) {
QGIViewDimension* vd = dynamic_cast<QGIViewDimension*>(qgi);
if (vd) {
std::string s = vd->getViewNameAsString();
sceneNames.push_back(s);
}
}
}
}
else {
std::string s = itemView->getViewNameAsString();
sceneNames.push_back(s);
}
}
std::sort(sceneNames.begin(), sceneNames.end());
sceneCount = sceneNames.size();
//different # of DrawView* vs QGIV*
if (sceneCount != treeCount) {
return false;
}
// even of counts match, have to check that names in scene == names in tree
auto treePtr = treeNames.begin();
for (auto& s : sceneNames) {
if (s == (*treePtr)) {
treePtr++;
continue;
}
else {
return false;
}
}
//Objects all match, check subs
if (treeCount != ppCount) {
return false;
}
return result;
}
///////////////////end Selection Routines //////////////////////
void MDIViewPage::showStatusMsg(const char* string1, const char* string2, const char* string3) const
{
QString msg = QString::fromLatin1("%1 %2.%3.%4 ")
.arg(tr("Selected:"), QString::fromUtf8(string1), QString::fromUtf8(string2),
QString::fromUtf8(string3));
if (Gui::getMainWindow()) {
Gui::getMainWindow()->showMessage(msg, 6000);
}
}
// ----------------------------------------------------------------------------
void MDIViewPagePy::init_type()
{
behaviors().name("MDIViewPagePy");
behaviors().doc("Python binding class for the MDI view page class");
// you must have overwritten the virtual functions
behaviors().supportRepr();
behaviors().supportGetattr();
behaviors().supportSetattr();
add_varargs_method("getPage", &MDIViewPagePy::getPage,
"getPage() returns the page being displayed");
add_varargs_method("cast_to_base", &MDIViewPagePy::cast_to_base,
"cast_to_base() cast to MDIView class");
behaviors().readyType();
}
MDIViewPagePy::MDIViewPagePy(MDIViewPage* mdi) : base(mdi) {}
MDIViewPagePy::~MDIViewPagePy() {}
Py::Object MDIViewPagePy::repr()
{
std::ostringstream s_out;
if (!getMDIViewPagePtr()) {
throw Py::RuntimeError("Cannot print representation of deleted object");
}
s_out << "MDI view page";
return Py::String(s_out.str());
}
// Since with PyCXX it's not possible to make a sub-class of MDIViewPy
// a trick is to use MDIViewPy as class member and override getattr() to
// join the attributes of both classes. This way all methods of MDIViewPy
// appear for SheetViewPy, too.
Py::Object MDIViewPagePy::getattr(const char* attrName)
{
if (!getMDIViewPagePtr()) {
std::ostringstream s_out;
s_out << "Cannot access attribute '" << attrName << "' of deleted object";
throw Py::RuntimeError(s_out.str());
}
std::string name(attrName);
if (name == "__dict__" || name == "__class__") {
Py::Dict dict_self(BaseType::getattr("__dict__"));
Py::Dict dict_base(base.getattr("__dict__"));
for (const auto& it : dict_base) {
dict_self.setItem(it.first, it.second);
}
return dict_self;
}
try {
return BaseType::getattr(attrName);
}
catch (Py::AttributeError& e) {
e.clear();
return base.getattr(attrName);
}
}
MDIViewPage* MDIViewPagePy::getMDIViewPagePtr()
{
return qobject_cast<MDIViewPage*>(base.getMDIViewPtr());
}
Py::Object MDIViewPagePy::getPage(const Py::Tuple& args)
{
if (!PyArg_ParseTuple(args.ptr(), "")) {
throw Py::Exception();
}
return Py::asObject(new TechDraw::DrawPagePy(getMDIViewPagePtr()->getPage()));
}
Py::Object MDIViewPagePy::cast_to_base(const Py::Tuple&)
{
return Gui::MDIViewPy::create(base.getMDIViewPtr());
}
#include <Mod/TechDraw/Gui/moc_MDIViewPage.cpp>
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