first reCommit

2025-08-13 18:30:47 +02:00
commit a946c7dd58
73 changed files with 23368 additions and 0 deletions
--- a/application/xqappdata.cpp
+++ b/application/xqappdata.cpp
@@ -0,0 +1,153 @@
+/***************************************************************************
+
+    source::worx xtree
+    Copyright © 2024-2025 c.holzheuer
+    christoph.holzheuer@gmail.com
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+***************************************************************************/
+
+
+#include <xqappdata.h>
+
+#include <QDebug>
+#include <QApplication>
+#include <QStyle>
+#include <QIcon>
+#include <QMap>
+#include <QMetaEnum>
+#include <QPushButton>
+
+namespace XQAppData
+{
+  template<typename E>
+  constexpr auto to_underlying(E e) noexcept
+  {
+    return static_cast<std::underlying_type_t<E>>(e);
+  }
+
+  class XQAppIconMap : public QMap<QString,QIcon>
+  {
+  public:
+
+    void init()
+    {
+      auto from = to_underlying(QIcon::ThemeIcon::AddressBookNew);
+      auto to =  to_underlying(QIcon::ThemeIcon::NThemeIcons);
+      for (auto i = from; i < to; ++i)
+      {
+        QIcon::ThemeIcon f = static_cast<QIcon::ThemeIcon>(i);
+        QIcon icon = QIcon::fromTheme(f);
+        // Nur hinzufügen, wenn das Icon existiert
+        if (!icon.isNull())
+          insert(icon.name(), icon);
+      }
+    }
+
+  };
+
+  static XQAppIconMap s_IconMap;
+
+  bool hasTypeIcon(const QString& key )
+  {
+    if(s_IconMap.isEmpty())
+      s_IconMap.init();
+    return !key.isEmpty() && s_IconMap.contains(key);
+  }
+
+  QIcon typeIcon(const QString& key )
+  {
+    if( hasTypeIcon(key) )
+      return s_IconMap[key];
+    return QApplication::style()->standardIcon(QStyle::SP_TrashIcon);
+  }
+
+
+        /*
+        { "icnFolder" ,  QApplication::style()->standardIcon(QStyle::SP_DirIcon) },
+        { "icnFolder" ,  QApplication::style()->standardIcon(QStyle::SP_DirIcon)},
+        { "icn02Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileDialogBack)},
+        { "icn03Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileDialogContentsView)},
+        { "icn04Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileDialogDetailedView)},
+        { "icn05Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileDialogEnd)},
+        { "icn06Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileDialogInfoView)},
+        { "icn07Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileDialogListView)},
+        { "icn08Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileDialogNewFolder)},
+        { "icn09Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileDialogStart)},
+        { "icn10Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileDialogToParent)},
+        { "icn11Dummy",  QApplication::style()->standardIcon(QStyle::SP_ArrowBack)},
+        { "icn12Dummy",  QApplication::style()->standardIcon(QStyle::SP_DirIcon)},
+        { "icn13Dummy",  QApplication::style()->standardIcon(QStyle::SP_MediaSkipBackward)},
+        { "icn14Dummy",  QApplication::style()->standardIcon(QStyle::SP_ArrowDown)},
+        { "icn15Dummy",  QApplication::style()->standardIcon(QStyle::SP_DirLinkIcon)},
+        { "icn16Dummy",  QApplication::style()->standardIcon(QStyle::SP_MediaSkipForward)},
+        { "icn17Dummy",  QApplication::style()->standardIcon(QStyle::SP_ArrowForward)},
+        { "icn18Dummy",  QApplication::style()->standardIcon(QStyle::SP_DirOpenIcon)},
+        { "icn19Dummy",  QApplication::style()->standardIcon(QStyle::SP_MediaStop)},
+        { "icn20Dummy",  QApplication::style()->standardIcon(QStyle::SP_ArrowLeft)},
+        { "icn21Dummy",  QApplication::style()->standardIcon(QStyle::SP_DockWidgetCloseButton)},
+        { "icn22Dummy",  QApplication::style()->standardIcon(QStyle::SP_MediaVolume)},
+        { "icn23Dummy",  QApplication::style()->standardIcon(QStyle::SP_ArrowRight)},
+        { "icn24Dummy",  QApplication::style()->standardIcon(QStyle::SP_DriveCDIcon)},
+        { "icn25Dummy",  QApplication::style()->standardIcon(QStyle::SP_MediaVolumeMuted)},
+        { "icn26Dummy",  QApplication::style()->standardIcon(QStyle::SP_ArrowUp)},
+        { "icn27Dummy",  QApplication::style()->standardIcon(QStyle::SP_DriveDVDIcon)},
+        { "icn28Dummy",  QApplication::style()->standardIcon(QStyle::SP_MessageBoxCritical)},
+        { "icn29Dummy",  QApplication::style()->standardIcon(QStyle::SP_BrowserReload)},
+        { "icn30Dummy",  QApplication::style()->standardIcon(QStyle::SP_DriveFDIcon)},
+        { "icn31Dummy",  QApplication::style()->standardIcon(QStyle::SP_MessageBoxInformation)},
+        { "icn32Dummy",  QApplication::style()->standardIcon(QStyle::SP_BrowserStop)},
+        { "icn33Dummy",  QApplication::style()->standardIcon(QStyle::SP_DriveHDIcon)},
+        { "icn34Dummy",  QApplication::style()->standardIcon(QStyle::SP_MessageBoxQuestion)},
+        { "icn35Dummy",  QApplication::style()->standardIcon(QStyle::SP_CommandLink)},
+        { "icn36Dummy",  QApplication::style()->standardIcon(QStyle::SP_DriveNetIcon)},
+        { "icn37Dummy",  QApplication::style()->standardIcon(QStyle::SP_MessageBoxWarning)},
+        { "icn38Dummy",  QApplication::style()->standardIcon(QStyle::SP_ComputerIcon)},
+        { "icn39Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileDialogBack)},
+        { "icn40Dummy",  QApplication::style()->standardIcon(QStyle::SP_TitleBarCloseButton)},
+        { "icn41Dummy",  QApplication::style()->standardIcon(QStyle::SP_CustomBase)},
+        { "icn42Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileDialogContentsView)},
+        { "icn43Dummy",  QApplication::style()->standardIcon(QStyle::SP_TitleBarContextHelpButton)},
+        { "icn44Dummy",  QApplication::style()->standardIcon(QStyle::SP_DesktopIcon)},
+        { "icn45Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileDialogDetailedView)},
+        { "icn46Dummy",  QApplication::style()->standardIcon(QStyle::SP_TitleBarMaxButton)},
+        { "icn47Dummy",  QApplication::style()->standardIcon(QStyle::SP_DialogApplyButton)},
+        { "icn48Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileDialogEnd)},
+        { "icn49Dummy",  QApplication::style()->standardIcon(QStyle::SP_TitleBarMenuButton)},
+        { "icn50Dummy",  QApplication::style()->standardIcon(QStyle::SP_DialogCancelButton)},
+        { "icn51Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileDialogInfoView)},
+        { "icn52Dummy",  QApplication::style()->standardIcon(QStyle::SP_TitleBarMinButton)},
+        { "icn53Dummy",  QApplication::style()->standardIcon(QStyle::SP_DialogCloseButton)},
+        { "icn54Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileDialogListView)},
+        { "icn55Dummy",  QApplication::style()->standardIcon(QStyle::SP_TitleBarNormalButton)},
+        { "icn56Dummy",  QApplication::style()->standardIcon(QStyle::SP_DialogDiscardButton)},
+        { "icn57Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileDialogNewFolder)},
+        { "icn58Dummy",  QApplication::style()->standardIcon(QStyle::SP_TitleBarShadeButton)},
+        { "icn59Dummy",  QApplication::style()->standardIcon(QStyle::SP_DialogHelpButton)},
+        { "icn60Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileDialogStart)},
+        { "icn61Dummy",  QApplication::style()->standardIcon(QStyle::SP_TitleBarUnshadeButton)},
+        { "icn62Dummy",  QApplication::style()->standardIcon(QStyle::SP_DialogNoButton)},
+        { "icn63Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileDialogToParent)},
+        { "icn64Dummy",  QApplication::style()->standardIcon(QStyle::SP_ToolBarHorizontalExtensionButton)},
+        { "icn65Dummy",  QApplication::style()->standardIcon(QStyle::SP_DialogOkButton)},
+        { "icn66Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileIcon)},
+        { "icn67Dummy",  QApplication::style()->standardIcon(QStyle::SP_ToolBarVerticalExtensionButton)},
+        { "icn68Dummy",  QApplication::style()->standardIcon(QStyle::SP_DialogResetButton)},
+        { "icn70Dummy",  QApplication::style()->standardIcon(QStyle::SP_FileLinkIcon)},
+        { "icn71Dummy",  QApplication::style()->standardIcon(QStyle::SP_TrashIcon)},
+        { "icn72Dummy",  QApplication::style()->standardIcon(QStyle::SP_DialogSaveButton)},
+        { "icn73Dummy",  QApplication::style()->standardIcon(QStyle::SP_MediaPause)},
+        { "icn74Dummy",  QApplication::style()->standardIcon(QStyle::SP_VistaShield)},
+        { "icn75Dummy",  QApplication::style()->standardIcon(QStyle::SP_DialogYesButton)},
+        { "icn76Dummy",  QApplication::style()->standardIcon(QStyle::SP_MediaPlay)},
+        { "icn77Dummy",  QApplication::style()->standardIcon(QStyle::SP_DirClosedIcon)},
+        { "icn79Dummy",  QApplication::style()->standardIcon(QStyle::SP_MediaSeekBackward)},
+        { "icn80Dummy",  QApplication::style()->standardIcon(QStyle::SP_DirHomeIcon)},
+        { "icn81Dummy",  QApplication::style()->standardIcon(QStyle::SP_MediaSeekForward)}
+      }
+  */
+}; // namespace XQAppData
--- a/application/xqappdata.h
+++ b/application/xqappdata.h
@@ -0,0 +1,49 @@
+/***************************************************************************
+
+    source::worx xtree
+    Copyright © 2024-2025 c.holzheuer
+    christoph.holzheuer@gmail.com
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+***************************************************************************/
+
+
+#ifndef XQAPPDATA_H
+#define XQAPPDATA_H
+
+#include <qnamespace.h>
+#include <QVariant>
+#include <QMap>
+#include <QStringView>
+#include <QIcon>
+#include <pugixml.hpp>
+
+const QString c_Version            = "0.1.1 04.09.2024";
+
+const QString c_MainModelName      = "DocumentTreeModel";
+const QString c_ChildModelName     = "DocumentDetailsModel";
+const QString c_ProjectID          = "ProjectID";
+
+const QString c_ModelSheetFileName = "xml/modelsheets.xml";
+const QString c_ModelDummyFileName = "xml/saved_testfile.xtr";
+const QString c_DocumentDirectory  = "xml/";
+const QString c_DocumentFileName1  = "xml/modeldata1.xtr";
+const QString c_DocumentFileName2  = "xml/modeldata2.xtr";
+const QString c_DocumentFileName3  = "xml/modeldata3.xtr";
+
+
+const QString c_FriendlyName       = "FriendlyName";
+
+namespace XQAppData
+{
+  class XQAppIconMap;
+
+  bool  hasTypeIcon(const QString& key );
+  QIcon typeIcon(const QString& key );
+}
+
+#endif // XQAPPDATA_H
--- a/application/xqchildmodel.cpp
+++ b/application/xqchildmodel.cpp
@@ -0,0 +1,155 @@
+/***************************************************************************
+
+    source::worx xtree
+    Copyright © 2024-2025 c.holzheuer
+    christoph.holzheuer@gmail.com
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+***************************************************************************/
+
+
+#include <znode_factory.h>
+#include <xqchildmodel.h>
+#include <xqselectionmodel.h>
+#include <xqitemdelegate.h>
+#include <xqappdata.h>
+#include <xqtreeview.h>
+#include <xqitemfactory.h>
+
+XQChildModel::XQChildModel( QObject *parent )
+    : XQModel{parent}
+{
+
+}
+
+
+XQChildModel::~XQChildModel()
+{
+
+}
+
+/**
+ * @brief XQChildModel::initModel: Create the own modelstructure
+ * using subtree 'Components'
+ */
+void XQChildModel::initModel(const QString& modelName)
+{
+  // #0: Wir suchen die Model-Beschreibung
+  XQNodePtr modelSheet = _itemFactory.findModelSheet( modelName ); // throws
+
+  // #1: Wie erzeugen die Model-Struktur: Jedes Kind beschreibt einen
+  // XML-Datentyp, z.B. <Panel atr1="..." />, <Battery .../>
+  // Jeder XML-Knoten entspricht einer Zeile im späteren Model, jedes
+  // Attribut wird einem eigenen Feld (XQItem) abgebildet.
+
+  for( auto& sheetNode : modelSheet->children() )
+  {
+    XQItemList list;
+    // Die Kinder des Knotens beschreiben die einzelnen
+    // Attribute des XML-Datenknotens
+    for( const auto& attrNode : sheetNode->children() )
+    {
+      // ??
+      //if(attrNode->has_children() )
+      //  continue;
+
+      XQItem* headerItem = _itemFactory.makeHeaderItem( attrNode );
+      list.append( headerItem );
+    }
+
+    // für jeden XML-Knotentyp erzeugen wir eine section
+    addSection(list, sheetNode );
+
+    /*
+    // empty row
+    XQNodePtr contentNode = XQNode::make_node( sheetNode->tag_name() );
+    XQItemList emptyRow = _itemFactory.createEmptyRow( contentNode, sheetNode );
+    appendRow( emptyRow );
+    */
+
+  } // for
+
+}
+
+
+void XQChildModel::setContent( const XQNodePtr& contentRoot )
+{
+
+  // __fix: set object name ??
+
+  qDebug() << " --- create Model Data: " << contentRoot->to_string();
+
+  // Die Datenbasis als shared_ptr sichern
+  _contentRoot = contentRoot;
+
+  // Wir gehen über alle Einträge, die verschiedenen Typen
+  // haben, hier: <Panel>. <Battery> ...
+  for (const auto& contentEntry : _contentRoot->children())
+  {
+    // Das ist hier der Typ des Eintrags: Panel, Battery ...
+    QString key = contentEntry->tag_name();
+
+    // 'silent failure' hier der Datenbaum kann auch Knoten enthalten
+    // die nicht für uns gedacht sind.
+    if (!_sections.hasValidSection(key))
+      continue;
+
+    const XQModelSection& section = _sections.at( key );
+    int newRow = _sections.lastRow(section);
+    qDebug() << " --- AHJA: " << key << " -- last Row dazu: " << newRow;
+    XQItemList list = _itemFactory.createDataRow( contentEntry, section.sheetRootNode );
+
+    //section.headerItem().appendRow( list );
+    insertRow( newRow, list);
+
+  } // for
+}
+
+
+void XQChildModel::createModelContentChildRow( QStandardItem* parent, XQNodePtr contentNode )
+{
+  /*
+  parent->appendRow( { new XQItem("Optionals", XQItemType::HeaderStyle ), new XQItem( "Value", XQItemType::HeaderStyle )} );
+
+  for( auto& child : contentNode->children() )
+  {
+    XQItemList list;
+    list.append( new XQItem( child->attribute("DataItem"),  XQItemType::StaticStyle ) );
+    list.append( new XQItem( child->attribute("DataValue"), XQItemType::StaticStyle ) );
+    parent->appendRow( list );
+  }
+  */
+}
+
+
+void XQChildModel::initContextMenu()
+{
+
+  // __fixme! add a menu title
+  _contextMenu->clear();
+
+  const QModelIndex& curIdx = _treeView->currentIndex();
+  bool hasSel = curIdx.isValid() && _treeView->selectionModel()->hasSelection();
+  bool canPaste = _clipBoard.canPaste( curIdx );
+
+  _contextMenu->addAction( "icn11Dummy", "Undo",   XQCommand::cmdUndo,   _undoStack->canUndo() );
+  _contextMenu->addAction( "icn17Dummy", "Redo",   XQCommand::cmdRedo,   _undoStack->canRedo() );
+
+  _contextMenu->addAction( "icn58Dummy", "Cut",    XQCommand::cmdCut,    hasSel );
+  _contextMenu->addAction( "icn61Dummy", "Paste",  XQCommand::cmdPaste, canPaste );
+  _contextMenu->addAction( "icn55Dummy", "Copy",   XQCommand::cmdCopy,   hasSel );
+  //_contextMenu->addAction( "icn35Dummy", "Move",   XQCommand::cmdMove,   hasSel );
+  _contextMenu->addAction( "icn70Dummy", "New",    XQCommand::cmdNew,    hasSel );
+  _contextMenu->addAction( "icn50Dummy", "Delete", XQCommand::cmdDelete, hasSel );
+
+  // __fixme! set 'toggle section <name>' entry
+  //contextMenu.actions().first()->setText("<name>");
+  _contextMenu->addAction( "icn29Dummy", "Toggle Section", XQCommand::cmdToggleSection, hasSel);
+}
+
+
+
--- a/application/xqchildmodel.h
+++ b/application/xqchildmodel.h
@@ -0,0 +1,44 @@
+/***************************************************************************
+
+    source::worx xtree
+    Copyright © 2024-2025 c.holzheuer
+    christoph.holzheuer@gmail.com
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+***************************************************************************/
+
+
+#ifndef XQCHILDMODEL_H
+#define XQCHILDMODEL_H
+
+
+#include <xqmodel.h>
+
+
+
+class XQChildModel : public XQModel
+{
+  Q_OBJECT
+
+public:
+
+  explicit XQChildModel(QObject *parent = nullptr);
+  virtual ~XQChildModel();
+
+  void initModel(const QString& modelName) override;
+  void setContent(const XQNodePtr& contentRoot );
+
+protected:
+
+  virtual void createModelContentChildRow(QStandardItem* parent, XQNodePtr contentNode );
+
+  //void setupViewProperties() override;
+  void initContextMenu() override;
+
+};
+
+#endif // XQCHILDMODEL_H
--- a/application/xqdocumentstore.cpp
+++ b/application/xqdocumentstore.cpp
@@ -0,0 +1,58 @@
+/***************************************************************************
+
+    source::worx xtree
+    Copyright © 2024-2025 c.holzheuer
+    christoph.holzheuer@gmail.com
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+***************************************************************************/
+
+
+#include <xqdocumentstore.h>
+#include <xqitem.h>
+#include <QFile>
+
+
+
+
+
+XQDocument::XQDocument(const QString& aFileName, const QString& aFriendlyName, XQItem* aTreeItem, XQModel* aModelView )
+    : fileName{ aFileName }, friendlyName{ aFriendlyName }, treeItem{ aTreeItem }, modelView{ aModelView }
+{
+
+}
+
+XQDocument::~XQDocument()
+{
+  //delete _documentRoot;
+}
+
+
+///
+/// ---
+///
+
+
+XQDocumentStore::~XQDocumentStore()
+{
+  //for (auto entry : *this)
+  //  delete entry;
+  //for( int i=0; i<size();++i)
+  //  delete at(i);
+}
+
+
+
+void XQDocumentStore::addDocument( const QString& aFileName, const QString& aFriendlyName, XQItem* aTreeItem, XQModel* aModelView )
+{
+  //qDebug() << " --- addDoc: " << aDocumentRoot->friendly_name() << " : " << aDocumentRoot->attribute(c_ProjectID);
+  XQDocument newDocument( aFileName, aFriendlyName, aTreeItem,aModelView );
+  addAtKey(  aFileName, newDocument );
+  // attention: this assumes the presence of the 'ProjectID' value
+  addAlias( aFileName, aTreeItem->attribute(c_ProjectID) );
+}
+
--- a/application/xqdocumentstore.h
+++ b/application/xqdocumentstore.h
@@ -0,0 +1,59 @@
+/***************************************************************************
+
+    source::worx xtree
+    Copyright © 2024-2025 c.holzheuer
+    christoph.holzheuer@gmail.com
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+***************************************************************************/
+
+
+#ifndef XQDOCUMENTSTORE_H
+#define XQDOCUMENTSTORE_H
+
+#include <xqmaptor.h>
+#include <xqnode.h>
+
+class XQModel;
+class XQItem;
+
+// should this be internal??
+struct XQDocument
+{
+
+  XQDocument() = default;
+  XQDocument( const QString& aFileName, const QString& aFriendlyName, XQItem* aTreeItem, XQModel* aModelView );
+
+  virtual ~XQDocument();
+
+  QString      fileName; // also used as key
+  QString      friendlyName;
+  XQItem*      treeItem{};
+  XQModel* modelView{};
+
+};
+
+
+class XQDocumentStore : public XQMaptor<XQDocument>
+{
+
+public:
+
+  XQDocumentStore() = default;
+  virtual ~ XQDocumentStore();
+
+  void addDocument( const QString& aFileName, const QString& aFriendlyName, XQItem* aTreeItem, XQModel* aModelView );
+
+protected:
+
+  //?? needed?
+  //XQNodePtr _treeRootNode;//{ "treeRootNode" };
+  XQNode _treeRootNode{ "treeRootNode" };
+
+};
+
+#endif // XQDOCUMENTSTORE_H
--- a/application/xqmainmodel.cpp
+++ b/application/xqmainmodel.cpp
@@ -0,0 +1,87 @@
+/***************************************************************************
+
+    source::worx xtree
+    Copyright © 2024-2025 c.holzheuer
+    christoph.holzheuer@gmail.com
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+***************************************************************************/
+
+
+#include <QPersistentModelIndex>
+#include <QClipboard>
+
+#include <xqmainmodel.h>
+
+#include <xqexception.h>
+#include <xqtreeview.h>
+#include <xqitemdelegate.h>
+#include <xqitem.h>
+#include <xqappdata.h>
+#include <xqselectionmodel.h>
+#include <xqitemfactory.h>
+
+
+XQMainModel::XQMainModel(QObject *parent )
+    : XQModel{parent}
+{
+
+}
+
+
+XQMainModel::~XQMainModel()
+{
+  // delete
+}
+
+
+void XQMainModel::initModel(const QString& modelName)
+{
+  XQNodePtr modelSheet = _itemFactory.findModelSheet(  modelName );
+
+  // #1: create structure: create static sections for this model
+  for( auto& sheetNode : modelSheet->children() )
+  {
+    qDebug() << " create main model: " << sheetNode->tag_name();
+
+    XQItemList list = { _itemFactory.makeHeaderItem( sheetNode ) };
+    /*
+
+    Q_ASSERT(!list.isEmpty());
+    //addSection(list,  sheetNode );
+    */
+    appendRow( list );
+  }
+}
+
+
+XQItem* XQMainModel::createTreeEntry( XQNodePtr contentNode )
+{
+ /*
+ for(const auto& section : _sections )
+ {
+    if( contentNode->attribute("State") == section.sheetRootNode->attribute("State") )
+    {
+      XQItem* entry = _itemFactory.createTreeItem( contentNode, section.sheetRootNode );
+      section.headerItem().appendRow( entry );
+      _treeView->expand( section.modelIndex );
+      // ??
+      _treeView->setCurrentIndex( section.modelIndex );
+      //emit xqItemCreated( entry );
+      return entry;
+    }
+  }
+*/
+ return nullptr;
+}
+
+
+void XQMainModel::initContextMenu()
+{
+}
+
+
--- a/application/xqmainmodel.h
+++ b/application/xqmainmodel.h
@@ -0,0 +1,47 @@
+/***************************************************************************
+
+    source::worx xtree
+    Copyright © 2024-2025 c.holzheuer
+    christoph.holzheuer@gmail.com
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+***************************************************************************/
+
+
+#ifndef XQMAINMODEL_H
+#define XQMAINMODEL_H
+
+//#include <QItemSelectionModel>
+
+#include <xqmodel.h>
+//#include <xqmodelsections.h>
+
+class XQTreeView;
+
+
+class XQMainModel : public XQModel
+{
+  Q_OBJECT
+
+public:
+
+  explicit XQMainModel(QObject *parent = nullptr);
+  virtual ~XQMainModel();
+
+  void    initModel(const QString& modelName) override;
+  XQItem* createTreeEntry( XQNodePtr contentNode );
+
+public slots:
+
+protected:
+
+  void initContextMenu() override;
+
+};
+
+
+#endif // XQMAINMODEL_H
--- a/application/xqmainwindow.cpp
+++ b/application/xqmainwindow.cpp
@@ -0,0 +1,266 @@
+/***************************************************************************
+
+    source::worx xtree
+    Copyright © 2024-2025 c.holzheuer
+    christoph.holzheuer@gmail.com
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+***************************************************************************/
+
+
+#include <QDebug>
+#include <QFileDialog>
+#include <QMessageBox>
+
+#include <xqmainwindow.h>
+#include <xqcommand.h>
+#include <xqexception.h>
+#include <xqitemfactory.h>
+#include <xqnodewriter.h>
+
+
+
+XQMainWindow::XQMainWindow( QWidget* parent )
+    : QMainWindow(parent)
+{
+  setupUi(this);
+  setWindowTitle( QString("XTree %1").arg(c_Version));
+  initMainWindow();
+}
+
+void XQMainWindow::initMainWindow()
+{
+
+  qDebug() << " --- initMainWindow(): here we go!";
+
+  // als allererstes laden wir die Modelschreibungen
+  XQItemFactory::instance().initItemFactory( c_ModelSheetFileName );
+
+  _undoView->setStack( &_undoStack );
+
+  _actionUndo->setData(   XQCommand::cmdUndo);
+  _actionRedo->setData(   XQCommand::cmdRedo);
+  _actionCut->setData(    XQCommand::cmdCut);
+  _actionCopy->setData(   XQCommand::cmdCopy);
+  _actionPaste->setData(  XQCommand::cmdPaste);
+  _actionNew->setData(    XQCommand::cmdNew);
+  _actionDelete->setData( XQCommand::cmdDelete);
+
+  connect( _actionOpen,   &QAction::triggered, this, &XQMainWindow::onOpenDocument );
+  connect( _actionSave,   &QAction::triggered, this, &XQMainWindow::onSaveDocument );
+  connect( _actionSaveAs, &QAction::triggered, this, &XQMainWindow::onSaveDocumentAs );
+  connect( _actionExit,   &QAction::triggered, this, &XQMainWindow::onExit );
+  connect( _actionAbout,  &QAction::triggered, this, &XQMainWindow::onAbout );
+
+  //connect( _mainTreeView, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(onDoubleClicked(QModelIndex)) );
+  connect( _mainTreeView, SIGNAL(clicked(QModelIndex)),  this, SLOT(onTreeItemClicked(QModelIndex)) );
+  connect( _tabWidget,    SIGNAL(tabBarClicked(int)),     this, SLOT(onTabClicked(int)) );
+
+  connect( &_mainModelView, &XQModel::xqItemCreated, this, [=, this](XQItem* item)
+  {
+    // when a new main tree item has been created ...
+    QString pID = item->contentNode()->attribute(c_ProjectID);
+    _mainTreeView->setCurrentIndex( item->index() );
+    // ... we set the current view to this node
+    if( _documentStore.contains( pID ) )
+      _tabWidget->setCurrentWidget( _documentStore[pID].modelView->treeView() );
+  } );
+
+  try
+  {
+    // hand over undostack
+    _mainModelView.setUndoStack(&_undoStack);
+    // hand over left side navigation tree
+    _mainModelView.setTreeView(_mainTreeView);
+    // #1. init the left side main tree view
+    _mainModelView.initModel( c_MainModelName );
+
+    // #2. load demo data
+    loadDocument( c_DocumentFileName1 );
+    //loadDocument( c_DocumentFileName2 );
+
+    qDebug() << " --- all here: " << XQNode::s_Count;
+
+  }  
+  catch( XQException& exception )
+  {
+    qDebug() << exception.what();
+    QMessageBox::critical( this, "Failure", QString("Failure: %1").arg(exception.what()) );
+  }
+  
+}
+
+
+void XQMainWindow::onCreateDocument()
+{
+   qDebug() << " ---- create document Pressed!";
+}
+
+
+void XQMainWindow::onOpenDocument()
+{
+  QString fileName = QFileDialog::getOpenFileName(this, tr("Open Project"), c_DocumentDirectory, tr("project data(*.xtr)") );
+  QFile file(fileName);
+
+  if (!file.open(QFile::ReadOnly | QFile::Text))
+  {
+    QMessageBox::warning(this, "Warning", "Cannot load file: " + file.errorString());
+    return;
+  }
+  // close dummy file ...
+  file.close();
+
+  loadDocument( fileName );
+}
+
+
+
+void XQMainWindow::onSaveDocument()
+{
+  qDebug() << " ---- save Pressed!";
+  saveDocument( c_ModelDummyFileName );
+}
+
+
+void XQMainWindow::onSaveDocumentAs()
+{
+  QString fileName = QFileDialog::getSaveFileName(this, "Save as", c_DocumentDirectory, tr("project data(*.xtr)") );
+  QFile file(fileName);
+  // open dummy file
+  if (!file.open(QFile::WriteOnly | QFile::Text))
+  {
+    QMessageBox::warning(this, "Warning", "Cannot save file: " + file.errorString());
+    return;
+  }
+  // close dummy file ...
+  file.close();
+  // and create a xml stream
+  saveDocument( fileName );
+}
+
+
+void XQMainWindow::onCloseDocument()
+{
+   qDebug() << " ---- close Pressed!";
+}
+
+
+void XQMainWindow::onExit()
+{
+  qApp->exit();
+}
+
+void XQMainWindow::onAbout()
+{
+
+  QMessageBox msgBox(QMessageBox::NoIcon, "About", "", QMessageBox::Ok);
+
+  QString text = "<b>xtree concept</b><br>";
+  text += "2024 c.holzheuer<br><br>";
+  text += "<a href=\"https://sourceworx.org/xtree\">sourceworx.org/xtree</a>";
+
+  msgBox.setTextFormat(Qt::RichText); // This allows you to click the link
+  msgBox.setText( text );
+
+  msgBox.exec();
+}
+
+
+// when item in the left tree is clicked, switch view on the right side
+void XQMainWindow::onTreeItemClicked(const QModelIndex& index )
+{
+
+  XQItem& entry = XQItem::xqItemFromIndex(index);
+
+  qDebug() << " --- mainWindow onTreeItemClicked:" << entry.text();
+
+  return;
+  //_mainTreeView->selectionModel()->select(index, QItemSelectionModel::Select);
+  //entry->setBackground( QBrush( Qt::green ) );
+
+    QString key = entry.attribute(c_ProjectID);
+    if( _documentStore.contains(key) )
+     _tabWidget->setCurrentWidget( _documentStore[key].modelView->treeView() );
+
+}
+
+// when item in the left tree is clicked, switch view on the right side
+void XQMainWindow::onTabClicked( int index )
+{
+  const QString& key = _documentStore[index].treeItem->attribute( c_ProjectID );
+  qDebug() << " ---- tab clicked: " << index  << " : " << _documentStore[index].friendlyName << ": " << key;
+  _mainTreeView->setCurrentIndex( _documentStore[index].treeItem->index() );
+}
+
+void XQMainWindow::loadDocument( const QString& fileName )
+{
+  //ntThrowIfNullPtr
+  // gibts die Datei?
+  if( !QFile::exists( fileName) )
+    throw XQException( "no such file", fileName );
+
+  // load data tree from xml file
+  XQNodeFactory treeLoader;
+  XQNodePtr rawTree = treeLoader.load_tree( qPrintable(fileName) );
+ 
+  // versteckten root node ignorieren
+  XQNodePtr contentRoot = rawTree->first_child();
+  
+  // Project-ID behandeln
+  const QString& pID   = contentRoot->attribute(c_ProjectID);
+  int idx = _documentStore.indexOf( pID );
+  if( idx > -1 )
+  {
+    const XQDocument& doc = _documentStore.at(idx);
+    QMessageBox::warning( this, "Load Document", QString("File: %1 already loaded.").arg( fileName ) );
+    _mainTreeView->setCurrentIndex( doc.treeItem->index() );
+    _tabWidget->setCurrentIndex( idx );
+    return;
+  }
+
+  // 'friendly Name' ist ein Link auf ein anderes Attribute
+  // das als Namen verwendet wird.
+  const QString& fName = contentRoot->friendly_name();
+  QString pTitle = QString("Project %1: %2").arg( pID, fName );
+
+  // Eine neue TreeView erzeugn und im TabWidget parken.
+  XQTreeView* childTreeView = new XQTreeView(_tabWidget);
+  _tabWidget->addTab( childTreeView, pTitle );
+  _tabWidget->setCurrentWidget( childTreeView );
+  setWindowTitle( pTitle );
+
+  // Ein neues Child-Model erzeugen
+  XQChildModel* childModel = new XQChildModel(this);
+  // die Modelstruktur anlegen
+  childModel->initModel( c_ChildModelName );
+  // Den globalen undo-stack ...
+  childModel->setUndoStack(&_undoStack);
+  // und die TreeView übergeben
+  childModel->setTreeView(childTreeView);
+
+  // read the model data
+  childModel->setContent( contentRoot->first_child() );
+  // create new entry in the left side main tree view
+  //XQItem* newEntry = _mainModelView.createTreeEntry( contentRoot );
+  //_mainTreeView->setCurrentIndex( newEntry->index() );
+  //_documentStore.addDocument( fileName, pTitle, newEntry, childModelView );
+
+}
+
+
+void XQMainWindow::saveDocument( const QString& fileName )
+{
+  XQNodeWriter nodeWriter;
+  int curIdx = _tabWidget->currentIndex();
+  XQNodePtr rootNode = _documentStore[curIdx].treeItem->contentNode();
+  nodeWriter.dumpTree( rootNode, fileName );
+}
+
+
+
+
+
--- a/application/xqmainwindow.h
+++ b/application/xqmainwindow.h
@@ -0,0 +1,65 @@
+/***************************************************************************
+
+    source::worx xtree
+    Copyright © 2024-2025 c.holzheuer
+    christoph.holzheuer@gmail.com
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+***************************************************************************/
+
+
+#ifndef XQMAINWINDOW_H
+#define XQMAINWINDOW_H
+
+#include <QMainWindow>
+#include <ui_xqmainwindow.h>
+#include <xqdocumentstore.h>
+#include <xqmainmodel.h>
+#include <xqchildmodel.h>
+#include <xqappdata.h>
+
+class XQMainWindow : public QMainWindow, public Ui_XQMainWindow
+{
+  Q_OBJECT
+
+public:
+
+  XQMainWindow( QWidget* parent = nullptr );
+  virtual ~XQMainWindow() = default;
+
+  void initMainWindow();
+
+public slots:
+
+  void onCreateDocument();
+  void onOpenDocument();
+  void onSaveDocument();
+  void onSaveDocumentAs();
+  void onCloseDocument();
+  void onAbout();
+  void onExit();
+
+  void onTreeItemClicked(const QModelIndex& index );
+  void onTabClicked( int index );
+
+protected:
+
+  // showDocumentTab( XQItem* item)
+  // fixme implement
+  void showDocumnet( const QString& key ){}
+  void loadDocument( const QString& fileName );
+  void saveDocument( const QString& fileName );
+
+  QUndoStack        _undoStack;
+  XQDocumentStore   _documentStore;
+
+  XQMainModel   _mainModelView;
+
+
+};
+
+#endif // XQMAINWINDOW_H
--- a/application/xqmainwindow.ui
+++ b/application/xqmainwindow.ui
@@ -0,0 +1,290 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>XQMainWindow</class>
+ <widget class="QMainWindow" name="XQMainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>600</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>XTree</string>
+  </property>
+  <widget class="QWidget" name="_centralWidget">
+   <layout class="QVBoxLayout" name="verticalLayout_4">
+    <property name="spacing">
+     <number>0</number>
+    </property>
+    <property name="leftMargin">
+     <number>0</number>
+    </property>
+    <property name="topMargin">
+     <number>0</number>
+    </property>
+    <property name="rightMargin">
+     <number>2</number>
+    </property>
+    <property name="bottomMargin">
+     <number>0</number>
+    </property>
+    <item>
+     <widget class="QTabWidget" name="_tabWidget"/>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QMenuBar" name="_menuBar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>800</width>
+     <height>26</height>
+    </rect>
+   </property>
+   <widget class="QMenu" name="_fileMenu">
+    <property name="title">
+     <string>&amp;File</string>
+    </property>
+    <addaction name="separator"/>
+    <addaction name="_actionOpen"/>
+    <addaction name="_actionSave"/>
+    <addaction name="_actionSaveAs"/>
+    <addaction name="_actionExit"/>
+   </widget>
+   <widget class="QMenu" name="menuHelp">
+    <property name="title">
+     <string>Help</string>
+    </property>
+    <addaction name="_actionAbout"/>
+   </widget>
+   <widget class="QMenu" name="_menuEdit">
+    <property name="title">
+     <string>Edit</string>
+    </property>
+    <addaction name="_actionUndo"/>
+    <addaction name="_actionRedo"/>
+    <addaction name="separator"/>
+    <addaction name="_actionCut"/>
+    <addaction name="_actionPaste"/>
+    <addaction name="_actionCopy"/>
+   </widget>
+   <addaction name="_fileMenu"/>
+   <addaction name="_menuEdit"/>
+   <addaction name="menuHelp"/>
+  </widget>
+  <widget class="QStatusBar" name="_statusBar"/>
+  <widget class="QDockWidget" name="_treeDockWidget">
+   <property name="windowTitle">
+    <string>MainDocument</string>
+   </property>
+   <attribute name="dockWidgetArea">
+    <number>1</number>
+   </attribute>
+   <widget class="QWidget" name="_treeDockLayout">
+    <layout class="QVBoxLayout" name="verticalLayout">
+     <property name="spacing">
+      <number>0</number>
+     </property>
+     <property name="leftMargin">
+      <number>4</number>
+     </property>
+     <property name="topMargin">
+      <number>2</number>
+     </property>
+     <property name="rightMargin">
+      <number>0</number>
+     </property>
+     <property name="bottomMargin">
+      <number>0</number>
+     </property>
+     <item>
+      <widget class="XQTreeView" name="_mainTreeView">
+       <property name="styleSheet">
+        <string notr="true"/>
+       </property>
+       <property name="frameShape">
+        <enum>QFrame::Shape::NoFrame</enum>
+       </property>
+       <property name="frameShadow">
+        <enum>QFrame::Shadow::Plain</enum>
+       </property>
+       <property name="lineWidth">
+        <number>0</number>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </widget>
+  </widget>
+  <widget class="QDockWidget" name="_statusDock">
+   <property name="toolTipDuration">
+    <number>7</number>
+   </property>
+   <property name="windowTitle">
+    <string>Status</string>
+   </property>
+   <attribute name="dockWidgetArea">
+    <number>8</number>
+   </attribute>
+   <widget class="QWidget" name="_statusContent">
+    <layout class="QVBoxLayout" name="verticalLayout_2">
+     <property name="leftMargin">
+      <number>2</number>
+     </property>
+     <property name="topMargin">
+      <number>2</number>
+     </property>
+     <property name="rightMargin">
+      <number>2</number>
+     </property>
+     <property name="bottomMargin">
+      <number>2</number>
+     </property>
+     <item>
+      <widget class="QUndoView" name="_undoView">
+       <property name="frameShape">
+        <enum>QFrame::Shape::NoFrame</enum>
+       </property>
+       <property name="frameShadow">
+        <enum>QFrame::Shadow::Plain</enum>
+       </property>
+       <property name="lineWidth">
+        <number>0</number>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </widget>
+  </widget>
+  <action name="_actionExit">
+   <property name="text">
+    <string>E&amp;xit</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+Q</string>
+   </property>
+  </action>
+  <action name="_actionCopy">
+   <property name="text">
+    <string>Copy</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+C</string>
+   </property>
+  </action>
+  <action name="_actionCut">
+   <property name="text">
+    <string>Cu&amp;t</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+X</string>
+   </property>
+  </action>
+  <action name="_actionNew">
+   <property name="text">
+    <string>New</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+N</string>
+   </property>
+  </action>
+  <action name="_actionPaste">
+   <property name="icon">
+    <iconset theme="audio-volume-high"/>
+   </property>
+   <property name="text">
+    <string>Paste</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+V</string>
+   </property>
+  </action>
+  <action name="_actionUndo">
+   <property name="text">
+    <string>Undo</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+Z</string>
+   </property>
+  </action>
+  <action name="_actionRedo">
+   <property name="text">
+    <string>Redo</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+Y</string>
+   </property>
+  </action>
+  <action name="_actionOpen">
+   <property name="text">
+    <string>Open</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+O</string>
+   </property>
+  </action>
+  <action name="actionCopyAsText">
+   <property name="text">
+    <string>Copy As Text</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::MenuRole::NoRole</enum>
+   </property>
+  </action>
+  <action name="_actionDelete">
+   <property name="text">
+    <string>Delete</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::MenuRole::NoRole</enum>
+   </property>
+  </action>
+  <action name="_actionFind">
+   <property name="text">
+    <string>Find</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::MenuRole::NoRole</enum>
+   </property>
+  </action>
+  <action name="_actionSave">
+   <property name="text">
+    <string>Save</string>
+   </property>
+   <property name="toolTip">
+    <string>Save</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+S</string>
+   </property>
+  </action>
+  <action name="_actionSaveAs">
+   <property name="text">
+    <string>Save as ...</string>
+   </property>
+   <property name="toolTip">
+    <string>Save as ...</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+Alt+S</string>
+   </property>
+  </action>
+  <action name="_actionAbout">
+   <property name="text">
+    <string>About</string>
+   </property>
+  </action>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>XQTreeView</class>
+   <extends>QTreeView</extends>
+   <header location="global">xqtreeview.h</header>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections/>
+</ui>