resourceModel basics

include/qtresourcemodel.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include <QDir>
+#include <QFileSystemModel>
+#include <QVector>
+
+class QFileInfo;
+
+class QtResourceModel : public QAbstractItemModel {
+
+public:
+	QtResourceModel( const QDir& root, QObject* parent = nullptr );
+	virtual ~QtResourceModel();
+
+	virtual QModelIndex index(int, int, const QModelIndex&) const override;
+
+	virtual QModelIndex parent(const QModelIndex&) const override;
+
+	virtual int rowCount(const QModelIndex&) const override;
+
+	virtual int columnCount(const QModelIndex&) const override;
+
+	virtual QVariant data(const QModelIndex&, int) const override;
+
+private:
+	using internalData = QFileInfo;
+
+	QDir root;
+	QVector<internalData*> internals;
+};

qtdebugger.pro

@@ -30,10 +30,12 @@ INCLUDEPATH += $$PWD/include/
 SOURCES += \
 	src/injector.cpp \
 	src/qtdebugger.cpp \
+	src/qtresourcemodel.cpp \
 	src/resourceexplorer.cpp
 
 HEADERS += \
 	include/qtdebugger.h \
+	include/qtresourcemodel.h \
 	include/resourceexplorer.h
 
 FORMS += \

src/qtresourcemodel.cpp

@@ -0,0 +1,97 @@
+#include "qtresourcemodel.h"
+
+#include <QFileInfo>
+
+QtResourceModel::QtResourceModel( const QDir& root, QObject* parent ) :
+	QAbstractItemModel( parent ),
+	root( root.absolutePath() )
+{
+}
+
+QtResourceModel::~QtResourceModel() {
+	for( internalData* inter : internals ) {
+		delete inter;
+	}
+	internals.clear();
+}
+
+QModelIndex QtResourceModel::index(int row, int column, const QModelIndex& parent) const {
+	if (!hasIndex(row, column, parent))
+		return QModelIndex();
+
+	internalData* parentItem;
+
+	if (parent.isValid()) {
+		parentItem = static_cast<internalData*>(parent.internalPointer());
+	} else {
+		parentItem = new internalData( root, "." );
+		// internals.append( parentItem );
+	}
+
+	if (parentItem->isDir()) {
+		QDir parentDir( parentItem->absolutePath() );
+		QFileInfoList entrys = parentDir.entryInfoList(QDir::Filter::AllEntries, QDir::SortFlag::DirsFirst | QDir::SortFlag::Name );
+		if ( entrys.size() < row ) {
+			internalData* childItem = new internalData( entrys.at(row) );
+			// internals.append( childItem );
+
+			return createIndex(row, column, childItem);
+		}
+	}
+
+	return QModelIndex();
+}
+
+QModelIndex QtResourceModel::parent(const QModelIndex& index) const {
+	if (!index.isValid())
+		return QModelIndex();
+
+	internalData* childItem = static_cast<internalData*>(index.internalPointer());
+	internalData* parentItem = new internalData( childItem->dir().absolutePath() );
+	// internals.append( parentItem );
+
+	if (parentItem->absolutePath() == root.absolutePath())
+		return QModelIndex();
+
+	return createIndex(0, 0, parentItem);
+}
+
+int QtResourceModel::rowCount(const QModelIndex& parent) const {
+	if (parent.column() > 0)
+		return 0;
+
+
+	QDir parentDir;
+	if( parent.isValid() ) {
+		internalData* parentItem = static_cast<internalData*>(parent.internalPointer());
+		if ( ! parentItem->isDir()) {
+			return 0;
+		}
+		parentDir = QDir( parentItem->absolutePath() );
+	} else {
+		parentDir = root;
+	}
+
+	QFileInfoList entrys = parentDir.entryInfoList(QDir::Filter::AllEntries, QDir::SortFlag::DirsFirst | QDir::SortFlag::Name );
+	return entrys.size();
+}
+
+int QtResourceModel::columnCount(const QModelIndex& parent) const {
+	return 2;
+}
+
+QVariant QtResourceModel::data(const QModelIndex& index, int role) const {
+	if (!index.isValid())
+		return QVariant();
+
+	internalData* item = static_cast<internalData*>( index.internalPointer() );
+
+	if (role == Qt::DisplayRole) {
+		if ( index.column() == 0)
+			return QVariant( item->fileName() );
+		if ( index.column() == 1)
+			return QVariant( item->size() );
+	}
+
+	return QVariant();
+}

src/resourceexplorer.cpp

@@ -1,13 +1,12 @@
 #include "resourceexplorer.h"
 #include "ui_resourceexplorer.h"
 
-#include <QFileSystemModel>
+#include "qtresourcemodel.h"
 
 ResourceExplorer::ResourceExplorer(QWidget *parent) : QMainWindow( parent ), ui(new Ui::ResourceExplorer) {
 	this->ui->setupUi(this);
 
-	QFileSystemModel* model = new QFileSystemModel;
-	model->setRootPath( ":/" );
+	QtResourceModel* model = new QtResourceModel( QDir( ":/" ), this );
 	this->ui->treeView->setModel( model );
 }