From 14454d1b78c51e04481fd3ece4c78bbf4e6e7e1f Mon Sep 17 00:00:00 2001
From: Dushyant Basson <onizu.db@gmail.com>
Date: Tue, 29 Aug 2023 09:48:27 +0530
Subject: [PATCH] Added output panel (for debug info, etc.)

---
 src/qtviewer/MainWindow.cpp   | 28 ++++++++++++++++++++++++----
 src/qtviewer/MainWindow.h     |  8 ++++++++
 src/qtviewer/ParseIfcFile.cpp | 33 ++++++++++++++++++++++++++++++++-
 src/qtviewer/ParseIfcFile.h   | 12 +++++++++++-
 4 files changed, 75 insertions(+), 6 deletions(-)

diff --git a/src/qtviewer/MainWindow.cpp b/src/qtviewer/MainWindow.cpp
index c666353c82..d7f1189a10 100644
--- a/src/qtviewer/MainWindow.cpp
+++ b/src/qtviewer/MainWindow.cpp
@@ -6,10 +6,10 @@
 #include <QFileInfo>
 #include <QFile>
 #include <QMessageBox>
+#include <QSplitter>
 #include <sstream>
 
 #include "MainWindow.h"
-#include "ParseIfcFile.h"
 #include "IfcViewerWidget.h"
 
 MainWindow::MainWindow(QWidget *parent) 
@@ -19,7 +19,18 @@ MainWindow::MainWindow(QWidget *parent)
     this->resize(800, 600); //temporary reasonable initial size
 
     m_glWidget = new IfcViewerWidget(this);
-    setCentralWidget(m_glWidget);
+    QSizePolicy glSizePolicy = m_glWidget->sizePolicy();
+    glSizePolicy.setVerticalStretch(3);
+    m_glWidget->setSizePolicy(glSizePolicy);
+
+    m_outputText = new QPlainTextEdit(this);
+    m_outputText->setReadOnly(true);
+
+    QSplitter* splitter = new QSplitter(Qt::Vertical, this);
+    splitter->addWidget(m_glWidget);
+    splitter->addWidget(m_outputText);
+
+    setCentralWidget(splitter);
 
     createActions();
     createMenus();
@@ -69,6 +80,13 @@ void MainWindow::createConnections()
     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
     //connect(m_backgroundAction, SIGNAL(toggled(bool)), (QWidget*)m_v, SLOT(setViewBackground(bool)));
     //connect(m_outlineAction, SIGNAL(toggled(bool)), (QWidget*)m_v, SLOT(setViewOutline(bool)));
+
+    connect(&m_parser, &ParseIfcFile::parsingInfo, this, &MainWindow::appendToOutputText);
+}
+
+void MainWindow::appendToOutputText(const QString& message)
+{
+    m_outputText->appendPlainText(message);
 }
 
 void MainWindow::openFile()
@@ -96,8 +114,10 @@ void MainWindow::openFile()
         return;
     }
 
-    ParseIfcFile parser;
-    parser.Parse(filePath.toStdString());
+    QString message = tr("Opening file: %1\n").arg(filePath);
+    appendToOutputText(message);
+
+    m_parser.Parse(filePath.toStdString());
 
     m_currentPath = filePath;
     setWindowTitle(tr("%1 - IFCViewer").arg(fileName));
diff --git a/src/qtviewer/MainWindow.h b/src/qtviewer/MainWindow.h
index bee337be3a..2cd41e1ca2 100644
--- a/src/qtviewer/MainWindow.h
+++ b/src/qtviewer/MainWindow.h
@@ -6,6 +6,9 @@
 #include <QString>
 #include <QAction>
 #include <QOpenGLWidget>
+#include <QPlainTextEdit>
+
+#include "ParseIfcFile.h"
 
 class MainWindow : public QMainWindow
 {
@@ -21,6 +24,7 @@ private:
     void createActions();
     void createMenus();
     void createConnections();
+    void appendToOutputText(const QString& message);
 private:
     QMenu *fileMenu;
     QAction *openAction;
@@ -35,7 +39,11 @@ private:
     QAction *m_outlineAction;
 
     QString m_currentPath;
+
     QOpenGLWidget *m_glWidget;
+    QPlainTextEdit *m_outputText;
+
+    ParseIfcFile m_parser;
 };
 
 #endif // MAINWINDOW_H
diff --git a/src/qtviewer/ParseIfcFile.cpp b/src/qtviewer/ParseIfcFile.cpp
index 9a597796d9..b2df481af0 100644
--- a/src/qtviewer/ParseIfcFile.cpp
+++ b/src/qtviewer/ParseIfcFile.cpp
@@ -4,12 +4,43 @@
 #define IfcSchema Ifc2x3
 
 #include "../ifcgeom/IfcGeom.h"
+#include "../ifcgeom_schema_agnostic/IfcGeomIterator.h"
 
 ParseIfcFile::ParseIfcFile() {}
 
 ParseIfcFile::~ParseIfcFile() {}
 
+void ParseIfcFile::outputMsg(const std::string& msg)
+{
+	emit parsingInfo(QString::fromStdString(msg));
+}
+
 void ParseIfcFile::Parse(const std::string& filePath)
 {
-    //IfcParse::IfcFile ifcFile(filePath);
+    IfcParse::IfcFile file(filePath);
+
+    IfcGeom::IteratorSettings settings;
+    settings.set(IfcGeom::IteratorSettings::USE_WORLD_COORDS, true);
+    settings.set(IfcGeom::IteratorSettings::WELD_VERTICES, false);
+
+    IfcGeom::Iterator* it = new IfcGeom::Iterator(settings, &file);
+    if (!it->initialize()) {
+        outputMsg("Error: Iterator failed to initialize! Aborting.");
+        delete it;
+        return;
+    }
+
+    do {
+        //const IfcGeom::BRepElement* bRepElem = it->get_native();
+        const IfcGeom::TriangulationElement* triElem = static_cast<const IfcGeom::TriangulationElement*>(it->get());
+        outputMsg(triElem->type() + ": " + triElem->name());
+
+        const boost::shared_ptr<IfcGeom::Representation::Triangulation>& triElemGeom = triElem->geometry_pointer();
+
+        // materials
+        const std::vector<IfcGeom::Material>& elemMats = triElemGeom->materials();
+        for (auto mat : elemMats) {
+            outputMsg("    " + mat.original_name());
+        }
+    } while (it->next());
 }
\ No newline at end of file
diff --git a/src/qtviewer/ParseIfcFile.h b/src/qtviewer/ParseIfcFile.h
index 5c72ed850b..2d1a7c5eb0 100644
--- a/src/qtviewer/ParseIfcFile.h
+++ b/src/qtviewer/ParseIfcFile.h
@@ -1,10 +1,20 @@
 #ifndef PARSEIFCFILE_H
 #define PARSEIFCFILE_H
 
+#include <QObject>
+#include <QString>
 #include <string>
 
-class ParseIfcFile
+class ParseIfcFile : public QObject
 {
+    Q_OBJECT
+
+signals:
+    void parsingInfo(const QString& info);
+
+private:
+    void outputMsg(const std::string& msg);
+
 public:
     ParseIfcFile();
     ~ParseIfcFile();